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CN107386460A - A kind of large-span shell bolted spherical node installation method - Google Patents

A kind of large-span shell bolted spherical node installation method Download PDF

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Publication number
CN107386460A
CN107386460A CN201710583762.2A CN201710583762A CN107386460A CN 107386460 A CN107386460 A CN 107386460A CN 201710583762 A CN201710583762 A CN 201710583762A CN 107386460 A CN107386460 A CN 107386460A
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CN
China
Prior art keywords
rack
installation
monomer
ball
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710583762.2A
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Chinese (zh)
Inventor
姚晓阳
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Jiangsu Green Brilliant Energy Saving Technology Co Ltd
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Jiangsu Green Brilliant Energy Saving Technology Co Ltd
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Priority to CN201710583762.2A priority Critical patent/CN107386460A/en
Publication of CN107386460A publication Critical patent/CN107386460A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/162Handles to carry construction blocks

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Tents Or Canopies (AREA)

Abstract

The invention discloses a kind of large-span shell bolted spherical node installation method, comprise the following steps:Embedded part is installed;Rod member for grid classification, assembly node;Rack monomer divides and lifting sequence;According to the size of starting unit and pass to the size of support platform load;Piecemeal installation on ground support platform;Rack monomer installation on ground;Suspension centre, suspender belt, selection of steel, examination are hung;First Pin racks monomer lifting;High-altitude " scattered spelling " installation junior unit etc..Present invention design lower bolt net shell support platform, constructing operation is convenient, is easy to Adjustment precision deviation, ensures installation quality, reduces high-altitude working safety hidden danger, and can effectively reduce construction cost, has good economic benefit and social benefit.

Description

A kind of large-span shell bolted spherical node installation method
Technical field
The invention belongs to technical field of building construction, and in particular to a kind of large-span shell bolted spherical node installation method.
Background technology
In the development course of human society, large-span space structure is often the dream and target that construction personnel is pursued. The mankind in ancient times are had found good, form simple and beautiful natural there is a large amount of mechanical characteristics in nature by observing in detail Space structure, such as eggshell, honeycomb, the head of birds, soap bubble, cavern.Using bionic principle, the mankind are better understood With development space structure, the invention of latticed shell structure technology makes the mechanics reasonability of lattice dome structure and the perfect knot of production economy Altogether, the extensive use of large span space latticed shell structure is made to become a reality.
Since nearly half a century, outstanding representative of the latticed shell structure as large-span space structure, be widely applied and It is fast-developing.Have that modern design is attractive in appearance, is full of variety, grand, tall and big, rod member with the spherical steel screen that bolted spherical node is coupled It is regular strong, grid is standardized, good integrity, that space stiffness is big, anti-seismic performance is good, curved profile forms free drainage function etc. is excellent Point, thus it is widely used in the roof system load-carrying members such as gymnasium, show room, large-scale storage tank.Developed since the eighties in China Exploitation and popularization and application steel mesh shell technology, and achieve significant economic benefit and social benefit.
The content of the invention
Goal of the invention:The present invention is directed to deficiency of the prior art, proposes a kind of large-span shell bolted spherical node installation Method, constructing operation is convenient, is easy to Adjustment precision deviation, ensures installation quality, reduces high-altitude working safety hidden danger, and can have Effect reduces construction cost, has good economic benefit and social benefit.
Technical scheme:A kind of large-span shell bolted spherical node installation method of the present invention, comprises the following steps:
(1) embedded part installation, repetition measurement absolute altitude net rack support embedded part be using in pre- armored concrete seat post of nuzzling, embedded part iron plate with Dowel is welded to connect in processing factory, checks in place correct and correction perpendicularity, and lower groove is installed after adjusting embedded part flatness;
(2) rod member for grid classification, assembly node
1. rod member stacks levelling of the land, padded, node is forbidden to enter silt particle, avoids rod member generation deflection deformation;
2. material of marching into the arena strictly compares construction drawing, it is assembled to carry out classification by rod member and nut numbering;
3. whether proofread rod member both ends high-strength bolt wrong with shrouding conehead, forbid to load in mixture, neglected loading or wrongly installed direction, discovery it is wrong Correct immediately;
4. strictly controlling its space angle and position relationship before node assembling, strict control unit docks unfitness of butt joint;
(3) division of rack monomer and lifting sequence
1. to ensure the resistance to overturning of rack monomer installation, rack using two across three fulcrums as a monomer, by installation diagram Numbering, preassembling is carried out on ground;
2. in order to reduce alignment error, the mode of being symmetrically installed is taken, is originated in any two ends point of annular diameter as installation Point, installation is lifted by crane successively using two loop wheel machines, forms closed circle;
(4)It is flat to design the support of lower bolt net shell according to the size of starting unit and the size for passing to support platform load Platform, support platform width grows starting unit reticulated shell 1m or so per side, to facilitate installation personnel to walk;
(5)Piecemeal installation on ground support platform, after aerial docking is in place, install the operating platform, and be supported a little with total powerstation The setting-out of position;After setting strong point position, assembled good starting unit piecemeal is lifted to design point position, aerial docking is in place; When start to walk unit installation after, to start to walk unit uninstall process carry out emulation checking computations, according to emulation checking computation results, in batches by Step unloading support jack;
(6) rack monomer installation on ground
1. the assembling of lower boom and ball:Lower edge ball plane is padded, lower boom is connected with bolted spherical node and once tightened in place;
2. the assembling of web member and the ball that winds up:Web member and the ball that winds up should form the company of a downward quadrangular pyramid, web member and the ball that winds up Connecing must once tighten in place, act the service of becoming less severe for installation top boom, the connection of web member and lower edge ball can not be tightened once in place;
3. the assembling of top boom and ball:Top boom erection sequence passes from inside to outside, and top boom is tightened with ball should be with web member and lower edge Ball tightens one-time-reach-place;
(7) suspension centre, suspender belt, selection of steel, examination are hung
1. determine erection drawing:According to each the rack monomer members size and weight of installation on ground, calculated by design and determine choosing Select and meet that the truck crane of lifting requirements model coordinates lifting;
2. the selection of suspension centre, suspender belt and steel wire rope;
1) after being assembled after the first Pin monomer racks ground, monomer center of gravity and balance suspension centre are determined by calculating, with crane on ground Face carries out examination and hung,
2) suspender belt selects the flat hoisting belts made by polypropylene fibre, Du Pont's silk, import nylon material, two button flexible annular lifting Band,
3) suspension hook selects YTQ082 type double block safety hooks,
4) steel wire rope selects 8 × K25WS-IWRC high grade project hoist ropes,
3. examination is hung:The optimal examination suspension centre of method lifting checking is hung at 4 points using double hook, keeps lifting steady, avoids rack deflection deformation, Smoothly complete following lifting;
(8) first Pin racks monomer lifting
1. after determining balance suspension centre, the position of crane is set on the inside of collar tie beam, carries out first Pin monomers network frame hoisting;
2. per Pin monomers rack across bearing two across, mutually balanced across the center of gravity torque of single centrum rack using every two, two across First Pin a small ranges space self-balance structure system is initially formed away from interior;
3. after determining support position in the air, by transition steel plate and embedded part steel plate firm welding, bearing steel plate and transition steel plate Temporary weld is fixed, and bolt tumbler bearing connects into twisted branch structure with bearing steel plate by big hexagonal high-strength bolt;
4. being symmetrical arranged cable rope securing unit rack in rack both sides using steel wire rope, it is inclined to prevent that the deformation of rack degree of disturbing from occurring Move, keep rack monomer physical dimension constant, using first Pin as starting point, repeat said process;
(9) first lap monomer rack assembly installation personnel using be arranged on rack monomer on steel hanging ladder for support the scope of operation, with First Pin is starting point, repeats above method, and carry out the more Span Continuous block-by-blocks of monomer rack along collar tie beam docks assembly in the air, until integral net The head and the tail connection of frame orlop monomer rack, using every Pin monomers rack self-balance structure system, form first circle overall structure certainly Equilibrium system;
(10) it is small in installation on ground tripod junior unit after pyrometric cone junior unit first lap monomer rack installation is spelled on ground Need to derust before unit lifting, then rest is installed, fasten holding screw, clean down the dirt that may be detained at rod member bolt silk mouth Dirt, product matter, silt particle etc.;
(11) high-altitude " scattered spelling " installation junior unit
1. steel hanging ladder is hung on the horizontal lower boom in dome rack outer, installation personnel is by arriving self-balance structure body on steel hanging ladder The operation at top face of system is installed, and spreading steel hanging ladder is continuously increased with setting height(from bottom) increase;
2. according to the erection sequence of rack, rack is divided into many junior units, two units are a grid, crane or are arranged on Guide chain suspender on rack will once be hung to design attitude in the good tripod junior unit of installation on ground in advance, and people is installed by high-altitude Member completes the connection of node, and high-altitude installation personnel is using the established junior unit tripod of rack, chord member as strong point operating surface, edge Collar tie beam assembled tripod junior unit by row in the air;
3. installation process includes tightening the bolt between rod member and ball in place, lower boom is installed and lower edge ball, this work are complete Another top boom is refilled with sitting posture displacement along horizontal chord member as the strong point using tripod and web member into rear installation personnel, finds ball accurately Hole, bolt is tightened, repeat step installed above;
(12) block-by-block splicing, rack, which close up high-altitude and dissipated, spells using the inverted triangle cone that winds up, lower edge positive triangle cone junior unit, from having spelled The bar element installed is extended from centre to both ends, extends row's grid every time, by this technique until rack is all assembled complete Finish, after the completion of often arranging grid assembly, degree, amount of deflection are tightened to the position of row's grid, absolute altitude, rise, physical dimension, bolt And support position, absolute altitude are checked, undesirable adjustment correction in time;
(13) roofing profiled sheet installation roof boarding installation:Spheroid roofing is divided into some areas, roof boarding installation subregion by design Carry out:
1. levelling adjustment is carried out to rack rest by the requirement of spherical shell radian;
2. carrying out unwrapping wire by the size of mesh opening that winds up of layout design, roof purline is welded;
3. roof boarding erection sequence is first a circle circle is progressively installed upwards since rack foundation ring, i.e., roof boarding peace is enclosed in bottom one The installation of a circle roofing above is carried out after dress again, the centre in same circle roofing installation Shi Xiancongmei areas is installed to both sides;
4. ridge cover plate and side mouth cornerite plate are installed;
5. install cleaning roofing iron filings or debris in time;
(14) amount of deflection and off-centring are checked
1. rack will check datum axis position, absolute altitude and vertical missing at any time during assembly, and should adjust in time, prevent Deflection deformation exceeds specification allowed band;
After 2. rack is always combined into shape and roof boarding has been constructed, its deflection value is measured respectively, and the deflection value surveyed is no more than accordingly setting The 15% of evaluation;
3. measure the off-centring and height tolerance of the rack strong point;
(15) check and accept
1. every procedure of the making of grid structure, assembly and installation all should be inspected for acceptance, must be carried out after installation Hand over and inspect for acceptance, and make inspection of quality record;
2. rack installs, inspected for acceptance with steel tape, theodolite, total powerstation and ancillary gauges, its examination criteria should meet net The requirement of frame dome the quality of roof;
The all information such as physical dimension error and amount of deflection record after 3. quality inspection data, test report, total spelling are in place.
Beneficial effect:Present invention design lower bolt net shell support platform, constructing operation is convenient, and it is inclined to be easy to Adjustment precision Difference, ensure installation quality, reduce high-altitude working safety hidden danger, and can effectively reduce construction cost, there is good economic effect Benefit and social benefit.
Embodiment
With reference to specific embodiment, the invention will be further described:
Embodiment 1
A kind of large-span shell bolted spherical node installation method, comprises the following steps:
(1) embedded part installation, repetition measurement absolute altitude net rack support embedded part be using in pre- armored concrete seat post of nuzzling, embedded part iron plate with Dowel is welded to connect in processing factory, checks in place correct and correction perpendicularity, and lower groove is installed after adjusting embedded part flatness;
(2) rod member for grid classification, assembly node
1. rod member stacks levelling of the land, padded, node is forbidden to enter silt particle, avoids rod member generation deflection deformation;
2. material of marching into the arena strictly compares construction drawing, it is assembled to carry out classification by rod member and nut numbering;
3. whether proofread rod member both ends high-strength bolt wrong with shrouding conehead, forbid to load in mixture, neglected loading or wrongly installed direction, discovery it is wrong Correct immediately;
4. strictly controlling its space angle and position relationship before node assembling, strict control unit docks unfitness of butt joint;
(3) division of rack monomer and lifting sequence
1. to ensure the resistance to overturning of rack monomer installation, rack using two across three fulcrums as a monomer, by installation diagram Numbering, preassembling is carried out on ground;
2. in order to reduce alignment error, the mode of being symmetrically installed is taken, is originated in any two ends point of annular diameter as installation Point, installation is lifted by crane successively using two loop wheel machines, forms closed circle;
(4)It is flat to design the support of lower bolt net shell according to the size of starting unit and the size for passing to support platform load Platform, support platform width grows starting unit reticulated shell 1m or so per side, to facilitate installation personnel to walk;
(5)Piecemeal installation on ground support platform, after aerial docking is in place, install the operating platform, and be supported a little with total powerstation The setting-out of position;After setting strong point position, assembled good starting unit piecemeal is lifted to design point position, aerial docking is in place; When start to walk unit installation after, to start to walk unit uninstall process carry out emulation checking computations, according to emulation checking computation results, in batches by Step unloading support jack;
(6) rack monomer installation on ground
1. the assembling of lower boom and ball:Lower edge ball plane is padded, lower boom is connected with bolted spherical node and once tightened in place;
2. the assembling of web member and the ball that winds up:Web member and the ball that winds up should form the company of a downward quadrangular pyramid, web member and the ball that winds up Connecing must once tighten in place, act the service of becoming less severe for installation top boom, the connection of web member and lower edge ball can not be tightened once in place;
3. the assembling of top boom and ball:Top boom erection sequence passes from inside to outside, and top boom is tightened with ball should be with web member and lower edge Ball tightens one-time-reach-place;
(7) suspension centre, suspender belt, selection of steel, examination are hung
1. determine erection drawing:According to each the rack monomer members size and weight of installation on ground, calculated by design and determine choosing Select and meet that the truck crane of lifting requirements model coordinates lifting;
2. the selection of suspension centre, suspender belt and steel wire rope;
1) after being assembled after the first Pin monomer racks ground, monomer center of gravity and balance suspension centre are determined by calculating, with crane on ground Face carries out examination and hung,
2) suspender belt selects the flat hoisting belts made by polypropylene fibre, Du Pont's silk, import nylon material, two button flexible annular lifting Band,
3) suspension hook selects YTQ082 type double block safety hooks,
4) steel wire rope selects 8 × K25WS-IWRC high grade project hoist ropes,
3. examination is hung:The optimal examination suspension centre of method lifting checking is hung at 4 points using double hook, keeps lifting steady, avoids rack deflection deformation, Smoothly complete following lifting;
(8) first Pin racks monomer lifting
1. after determining balance suspension centre, the position of crane is set on the inside of collar tie beam, carries out first Pin monomers network frame hoisting;
2. per Pin monomers rack across bearing two across, mutually balanced across the center of gravity torque of single centrum rack using every two, two across First Pin a small ranges space self-balance structure system is initially formed away from interior;
3. after determining support position in the air, by transition steel plate and embedded part steel plate firm welding, bearing steel plate and transition steel plate Temporary weld is fixed, and bolt tumbler bearing connects into twisted branch structure with bearing steel plate by big hexagonal high-strength bolt;
4. being symmetrical arranged cable rope securing unit rack in rack both sides using steel wire rope, it is inclined to prevent that the deformation of rack degree of disturbing from occurring Move, keep rack monomer physical dimension constant, using first Pin as starting point, repeat said process;
(9) first lap monomer rack assembly installation personnel using be arranged on rack monomer on steel hanging ladder for support the scope of operation, with First Pin is starting point, repeats above method, and carry out the more Span Continuous block-by-blocks of monomer rack along collar tie beam docks assembly in the air, until integral net The head and the tail connection of frame orlop monomer rack, using every Pin monomers rack self-balance structure system, form first circle overall structure certainly Equilibrium system;
(10) it is small in installation on ground tripod junior unit after pyrometric cone junior unit first lap monomer rack installation is spelled on ground Need to derust before unit lifting, then rest is installed, fasten holding screw, clean down the dirt that may be detained at rod member bolt silk mouth Dirt, product matter, silt particle etc.;
(11) high-altitude " scattered spelling " installation junior unit
1. steel hanging ladder is hung on the horizontal lower boom in dome rack outer, installation personnel is by arriving self-balance structure body on steel hanging ladder The operation at top face of system is installed, and spreading steel hanging ladder is continuously increased with setting height(from bottom) increase;
2. according to the erection sequence of rack, rack is divided into many junior units, two units are a grid, crane or are arranged on Guide chain suspender on rack will once be hung to design attitude in the good tripod junior unit of installation on ground in advance, and people is installed by high-altitude Member completes the connection of node, and high-altitude installation personnel is using the established junior unit tripod of rack, chord member as strong point operating surface, edge Collar tie beam assembled tripod junior unit by row in the air;
3. installation process includes tightening the bolt between rod member and ball in place, lower boom is installed and lower edge ball, this work are complete Another top boom is refilled with sitting posture displacement along horizontal chord member as the strong point using tripod and web member into rear installation personnel, finds ball accurately Hole, bolt is tightened, repeat step installed above;
(12) block-by-block splicing, rack, which close up high-altitude and dissipated, spells using the inverted triangle cone that winds up, lower edge positive triangle cone junior unit, from having spelled The bar element installed is extended from centre to both ends, extends row's grid every time, by this technique until rack is all assembled complete Finish, after the completion of often arranging grid assembly, degree, amount of deflection are tightened to the position of row's grid, absolute altitude, rise, physical dimension, bolt And support position, absolute altitude are checked, undesirable adjustment correction in time;
(13) roofing profiled sheet installation roof boarding installation:Spheroid roofing is divided into some areas, roof boarding installation subregion by design Carry out:
1. levelling adjustment is carried out to rack rest by the requirement of spherical shell radian;
2. carrying out unwrapping wire by the size of mesh opening that winds up of layout design, roof purline is welded;
3. roof boarding erection sequence is first a circle circle is progressively installed upwards since rack foundation ring, i.e., roof boarding peace is enclosed in bottom one The installation of a circle roofing above is carried out after dress again, the centre in same circle roofing installation Shi Xiancongmei areas is installed to both sides;
4. ridge cover plate and side mouth cornerite plate are installed;
5. install cleaning roofing iron filings or debris in time;
(14) amount of deflection and off-centring are checked
1. rack will check datum axis position, absolute altitude and vertical missing at any time during assembly, and should adjust in time, prevent Deflection deformation exceeds specification allowed band;
After 2. rack is always combined into shape and roof boarding has been constructed, its deflection value is measured respectively, and the deflection value surveyed is no more than accordingly setting The 15% of evaluation;
3. measure the off-centring and height tolerance of the rack strong point;
(15) check and accept
1. every procedure of the making of grid structure, assembly and installation all should be inspected for acceptance, must be carried out after installation Hand over and inspect for acceptance, and make inspection of quality record;
2. rack installs, inspected for acceptance with steel tape, theodolite, total powerstation and ancillary gauges, its examination criteria should meet net The requirement of frame dome the quality of roof;
The all information such as physical dimension error and amount of deflection record after 3. quality inspection data, test report, total spelling are in place.
Present invention design lower bolt net shell support platform, constructing operation is convenient, is easy to Adjustment precision deviation, ensures peace Packing quality, reduce high-altitude working safety hidden danger, and can effectively reduce construction cost, there is good economic benefit and society Benefit.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.

Claims (1)

  1. A kind of 1. large-span shell bolted spherical node installation method, it is characterised in that:Comprise the following steps:
    (1) embedded part installation, repetition measurement absolute altitude net rack support embedded part be using in pre- armored concrete seat post of nuzzling, embedded part iron plate with Dowel is welded to connect in processing factory, checks in place correct and correction perpendicularity, and lower groove is installed after adjusting embedded part flatness;
    (2) rod member for grid classification, assembly node
    1. rod member stacks levelling of the land, padded, node is forbidden to enter silt particle, avoids rod member generation deflection deformation;
    2. material of marching into the arena strictly compares construction drawing, it is assembled to carry out classification by rod member and nut numbering;
    3. whether proofread rod member both ends high-strength bolt wrong with shrouding conehead, forbid to load in mixture, neglected loading or wrongly installed direction, discovery it is wrong Correct immediately;
    4. strictly controlling its space angle and position relationship before node assembling, strict control unit docks unfitness of butt joint;
    (3) division of rack monomer and lifting sequence
    1. to ensure the resistance to overturning of rack monomer installation, rack using two across three fulcrums as a monomer, by installation diagram Numbering, preassembling is carried out on ground;
    2. in order to reduce alignment error, the mode of being symmetrically installed is taken, is originated in any two ends point of annular diameter as installation Point, installation is lifted by crane successively using two loop wheel machines, forms closed circle;
    (4)It is flat to design the support of lower bolt net shell according to the size of starting unit and the size for passing to support platform load Platform, support platform width grows starting unit reticulated shell 1m or so per side, to facilitate installation personnel to walk;
    (5)Piecemeal installation on ground support platform, after aerial docking is in place, install the operating platform, and be supported a little with total powerstation The setting-out of position;After setting strong point position, assembled good starting unit piecemeal is lifted to design point position, aerial docking is in place; When start to walk unit installation after, to start to walk unit uninstall process carry out emulation checking computations, according to emulation checking computation results, in batches by Step unloading support jack;
    (6) rack monomer installation on ground
    1. the assembling of lower boom and ball:Lower edge ball plane is padded, lower boom is connected with bolted spherical node and once tightened in place;
    2. the assembling of web member and the ball that winds up:Web member and the ball that winds up should form the company of a downward quadrangular pyramid, web member and the ball that winds up Connecing must once tighten in place, act the service of becoming less severe for installation top boom, the connection of web member and lower edge ball can not be tightened once in place;
    3. the assembling of top boom and ball:Top boom erection sequence passes from inside to outside, and top boom is tightened with ball should be with web member and lower edge Ball tightens one-time-reach-place;
    (7) suspension centre, suspender belt, selection of steel, examination are hung
    1. determine erection drawing:According to each the rack monomer members size and weight of installation on ground, calculated by design and determine choosing Select and meet that the truck crane of lifting requirements model coordinates lifting;
    2. the selection of suspension centre, suspender belt and steel wire rope;
    1) after being assembled after the first Pin monomer racks ground, monomer center of gravity and balance suspension centre are determined by calculating, with crane on ground Face carries out examination and hung,
    2) suspender belt selects the flat hoisting belts made by polypropylene fibre, Du Pont's silk, import nylon material, two button flexible annular lifting Band,
    3) suspension hook selects YTQ082 type double block safety hooks,
    4) steel wire rope selects 8 × K25WS-IWRC high grade project hoist ropes,
    3. examination is hung:The optimal examination suspension centre of method lifting checking is hung at 4 points using double hook, keeps lifting steady, avoids rack deflection deformation, Smoothly complete following lifting;
    (8) first Pin racks monomer lifting
    1. after determining balance suspension centre, the position of crane is set on the inside of collar tie beam, carries out first Pin monomers network frame hoisting;
    2. per Pin monomers rack across bearing two across, mutually balanced across the center of gravity torque of single centrum rack using every two, two across First Pin a small ranges space self-balance structure system is initially formed away from interior;
    3. after determining support position in the air, by transition steel plate and embedded part steel plate firm welding, bearing steel plate and transition steel plate Temporary weld is fixed, and bolt tumbler bearing connects into twisted branch structure with bearing steel plate by big hexagonal high-strength bolt;
    4. being symmetrical arranged cable rope securing unit rack in rack both sides using steel wire rope, it is inclined to prevent that the deformation of rack degree of disturbing from occurring Move, keep rack monomer physical dimension constant, using first Pin as starting point, repeat said process;
    (9) first lap monomer rack assembly installation personnel using be arranged on rack monomer on steel hanging ladder for support the scope of operation, with First Pin is starting point, repeats above method, and carry out the more Span Continuous block-by-blocks of monomer rack along collar tie beam docks assembly in the air, until integral net The head and the tail connection of frame orlop monomer rack, using every Pin monomers rack self-balance structure system, form first circle overall structure certainly Equilibrium system;
    (10) it is small in installation on ground tripod junior unit after pyrometric cone junior unit first lap monomer rack installation is spelled on ground Need to derust before unit lifting, then rest is installed, fasten holding screw, clean down the dirt that may be detained at rod member bolt silk mouth Dirt, product matter, silt particle etc.;
    (11) high-altitude " scattered spelling " installation junior unit
    1. steel hanging ladder is hung on the horizontal lower boom in dome rack outer, installation personnel is by arriving self-balance structure body on steel hanging ladder The operation at top face of system is installed, and spreading steel hanging ladder is continuously increased with setting height(from bottom) increase;
    2. according to the erection sequence of rack, rack is divided into many junior units, two units are a grid, crane or are arranged on Guide chain suspender on rack will once be hung to design attitude in the good tripod junior unit of installation on ground in advance, and people is installed by high-altitude Member completes the connection of node, and high-altitude installation personnel is using the established junior unit tripod of rack, chord member as strong point operating surface, edge Collar tie beam assembled tripod junior unit by row in the air;
    3. installation process includes tightening the bolt between rod member and ball in place, lower boom is installed and lower edge ball, this work are complete Another top boom is refilled with sitting posture displacement along horizontal chord member as the strong point using tripod and web member into rear installation personnel, finds ball accurately Hole, bolt is tightened, repeat step installed above;
    (12) block-by-block splicing, rack, which close up high-altitude and dissipated, spells using the inverted triangle cone that winds up, lower edge positive triangle cone junior unit, from having spelled The bar element installed is extended from centre to both ends, extends row's grid every time, by this technique until rack is all assembled complete Finish, after the completion of often arranging grid assembly, degree, amount of deflection are tightened to the position of row's grid, absolute altitude, rise, physical dimension, bolt And support position, absolute altitude are checked, undesirable adjustment correction in time;
    (13) roofing profiled sheet installation roof boarding installation:Spheroid roofing is divided into some areas, roof boarding installation subregion by design Carry out:
    1. levelling adjustment is carried out to rack rest by the requirement of spherical shell radian;
    2. carrying out unwrapping wire by the size of mesh opening that winds up of layout design, roof purline is welded;
    3. roof boarding erection sequence is first a circle circle is progressively installed upwards since rack foundation ring, i.e., roof boarding peace is enclosed in bottom one The installation of a circle roofing above is carried out after dress again, the centre in same circle roofing installation Shi Xiancongmei areas is installed to both sides;
    4. ridge cover plate and side mouth cornerite plate are installed;
    5. install cleaning roofing iron filings or debris in time;
    (14) amount of deflection and off-centring are checked
    1. rack will check datum axis position, absolute altitude and vertical missing at any time during assembly, and should adjust in time, prevent Deflection deformation exceeds specification allowed band;
    After 2. rack is always combined into shape and roof boarding has been constructed, its deflection value is measured respectively, and the deflection value surveyed is no more than accordingly setting The 15% of evaluation;
    3. measure the off-centring and height tolerance of the rack strong point;
    (15) check and accept
    1. every procedure of the making of grid structure, assembly and installation all should be inspected for acceptance, must be carried out after installation Hand over and inspect for acceptance, and make inspection of quality record;
    2. rack installs, inspected for acceptance with steel tape, theodolite, total powerstation and ancillary gauges, its examination criteria should meet net The requirement of frame dome the quality of roof;
    The all information such as physical dimension error and amount of deflection record after 3. quality inspection data, test report, total spelling are in place.
CN201710583762.2A 2017-07-18 2017-07-18 A kind of large-span shell bolted spherical node installation method Pending CN107386460A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372127A (en) * 2018-11-07 2019-02-22 田同庆 Spherical shell rack mounting process
CN109680959A (en) * 2018-12-28 2019-04-26 中民筑友科技投资有限公司 Stair built-in fitting automatic generation method and device based on assembled architecture
CN111039150A (en) * 2019-12-30 2020-04-21 中冶天工集团有限公司 Bolt ball lifting appliance for large-span asymmetric net rack and net rack installation method
CN111705931A (en) * 2020-06-03 2020-09-25 中国化学工程第六建设有限公司 Construction method of large-span grid structure
CN112811298A (en) * 2021-02-05 2021-05-18 浙江东南网架股份有限公司 Construction method for hoisting block net rack by using steel carrying pole device
CN113123469A (en) * 2021-03-24 2021-07-16 中国五冶集团有限公司 Method for constructing complex curved surface modeling roof grid structure
CN113818560A (en) * 2021-09-23 2021-12-21 广东省洲际建工集团有限公司 Grid and steel structure combined structure and construction method thereof
CN114086669A (en) * 2021-11-30 2022-02-25 中国五冶集团有限公司 Large-scale space special-shaped curved surface steel net rack modular rapid construction method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101988308A (en) * 2010-09-30 2011-03-23 中国华西企业有限公司 Non-support installation method of long-span spatial bolt ball steel reticulated shell dome
CN103075017A (en) * 2013-02-01 2013-05-01 徐州中煤百甲重钢科技有限公司 Super-long-span cylindrical shell lattice structure construction method
CN106638960A (en) * 2016-12-16 2017-05-10 徐州中煤百甲重钢科技股份有限公司 Super-span cylindrical latticed shell construction method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101988308A (en) * 2010-09-30 2011-03-23 中国华西企业有限公司 Non-support installation method of long-span spatial bolt ball steel reticulated shell dome
CN103075017A (en) * 2013-02-01 2013-05-01 徐州中煤百甲重钢科技有限公司 Super-long-span cylindrical shell lattice structure construction method
CN106638960A (en) * 2016-12-16 2017-05-10 徐州中煤百甲重钢科技股份有限公司 Super-span cylindrical latticed shell construction method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372127A (en) * 2018-11-07 2019-02-22 田同庆 Spherical shell rack mounting process
CN109680959A (en) * 2018-12-28 2019-04-26 中民筑友科技投资有限公司 Stair built-in fitting automatic generation method and device based on assembled architecture
CN111039150A (en) * 2019-12-30 2020-04-21 中冶天工集团有限公司 Bolt ball lifting appliance for large-span asymmetric net rack and net rack installation method
CN111705931A (en) * 2020-06-03 2020-09-25 中国化学工程第六建设有限公司 Construction method of large-span grid structure
CN112811298A (en) * 2021-02-05 2021-05-18 浙江东南网架股份有限公司 Construction method for hoisting block net rack by using steel carrying pole device
CN113123469A (en) * 2021-03-24 2021-07-16 中国五冶集团有限公司 Method for constructing complex curved surface modeling roof grid structure
CN113818560A (en) * 2021-09-23 2021-12-21 广东省洲际建工集团有限公司 Grid and steel structure combined structure and construction method thereof
CN114086669A (en) * 2021-11-30 2022-02-25 中国五冶集团有限公司 Large-scale space special-shaped curved surface steel net rack modular rapid construction method
CN114086669B (en) * 2021-11-30 2024-03-19 中国五冶集团有限公司 Modularized rapid construction method for large-scale space special-shaped curved surface steel net rack

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Application publication date: 20171124