CN107590334A - A kind of complex object stay in place form construction method - Google Patents
A kind of complex object stay in place form construction method Download PDFInfo
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- CN107590334A CN107590334A CN201710810271.7A CN201710810271A CN107590334A CN 107590334 A CN107590334 A CN 107590334A CN 201710810271 A CN201710810271 A CN 201710810271A CN 107590334 A CN107590334 A CN 107590334A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000001788 irregular Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 6
- 230000036244 malformation Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of complex object stay in place form construction method, comprise the following steps：Establish obform body concrete structure BIM models；Finite element analysis is carried out to malformation, judges whether to need predeformation；Calculate structure pre-deformed shape and predeformation amount；Structural model is adjusted according to predeformation result of calculation, by predeformation reflection into model；By irregular shape unfolded surface in structure BIM models and it is stitched together；Overall sanction in advance of planning as a whole is carried out in computer to the polylith irregular shape spelled to divide；Unified number is carried out to pre- sanction subregion and establishes template threedimensional model；In-site measurement setting-out, processing template；Template is installed in place according to numbering；Shape of template, positional precision are examined；Form removable, arrange statistics sheet material Information reusability.The present invention merges advanced BIM modelling techniques, finite element analysis technology, by complex object space structure template system, informationization, form a set of labyrinth template construction method, template construction digitlization is improved to a certain extent, the waste of mould material can be effectively avoided, realizes environment protecting and power-saving.
Description
Technical field
The present invention relates to complex object cast-in-place structural mould plate technique field, more particularly to a kind of big three-dimensional gradually-changed space special-shaped thin wall
Cast-in-place concrete hole body Formwork Installation Method, method fusion current advanced BIM, finite element analysis technology, can be applied to
Various scale complex object cast-in-place structural construction fields.
Background technology
Today's society, the development of building trade template is more and more diversified, and aluminum alloy mould plate, PVC template, steel form etc. are increasingly becoming
Main flow, template development gradually develop to modularization, economizing type, and for the civil buildings of routine, form cycling rate progressively carries
It is high；But for the polymorphic structure of complexity, the precision for ensureing template how is realized, improves form cycling rate, modularization, information
Change, and then realize and reduce cost, be more intractable, be difficult to the problem of.
For the construction of wind tunnel of cast-in-place concrete form, the template construction of hole body structure is to control hole body construction geometry shape
The key link of shape.Different from common building thing, tunnel body for wind structure is big solid space special-shaped thin wall structure, and its planform becomes
Change various, template scrap rate is high, turnover rate is low, and on-site consolidation installation is also difficult compared with common building, especially hole body contraction section portion
The structure divided is space curved surface structure, and curved surface is determined by pneumatic technological design, and surface geometry required precision is high, circular formwork processing
Sizing and on-site consolidation difficulty are greatly, it is necessary to develop a kind of simple and practical, economic method quick, popularized type is strong.
The content of the invention
It is an object of the invention to provide a kind of complex object stay in place form construction method, and then it is generalized to arbitrarily complicated spatial mode
Plate work progress, above-mentioned purpose are achieved by the following technical solution.
A kind of complex object stay in place form construction method, comprises the following steps：
1）Establish obform body concrete structure BIM models；
2）Finite element analysis is carried out to malformation, judges whether to need predeformation；
3）Part for needing predeformation, calculate structure pre-deformed shape and predeformation amount；And according to predeformation result of calculation
Structural model is adjusted, by predeformation reflection into model；
4）By irregular shape unfolded surface in structure BIM models and it is stitched together；
5）Overall sanction in advance of planning as a whole is carried out in computer to the polylith irregular shape spelled to divide；
6）Unified number is carried out to pre- sanction subregion and establishes template threedimensional model；
7）In-site measurement setting-out, processing template；
8）Template is installed in place according to numbering；
9）Shape of template, positional precision are examined；
10）Form removable, arrange statistics sheet material Information reusability.
Further, step 5）Described in it is overall to plan as a whole the pre- specific method cut out point be using BIM softwares, applied each
The irregular shape unfolded surface of workshop section's structure, is spliced into according to the size of the plate unit of setting to polylith irregular shape
Overall shape carries out pre- cut out in computer and divided, and the plate unit is the new template of buying（Finished product sheet material）And the repeatable profit in scene
Old template, this method comprise the following steps：
A. timesharing sideline on the basis of a longest edge line of overall shape is cut out, by a right-angle side of plate unit（That is rectangle
The a line of new template or a right-angle side of the old sheet material cut through）Overlapped with benchmark sideline or parallel；
B. the sideline beyond benchmark sideline at overall shape is covered with plate unit, the requirement in a is followed during covering,
And using the intersection point in benchmark sideline and adjacent sideline as starting point, covered one by one, and be in the sideline of overall shape unit
The central region of plate unit；After the completion of one plate unit covering, plate unit is divided into the son beyond overall shape region
Yangtze plate N within plate W and overall shape region；Yangtze plate W is moved to inside overall shape, made in internal Yangtze plate
W hypotenuse overlaps with the overall shape sideline covered before, and Yangtze plate W is abutted with Yangtze plate N（Close connection）Together,
Covering and Yangtze plate moving operation of each unit plate to sideline are so completed, and then is completed to area near overall shape sideline
The sanction in domain point；
C. after the completion of the sideline covering of overall shape（The division of labor is cut out along the template of edge area to make tentatively to complete）, in overall shape
The shape of remaining area is changed into each angle（Including inner corner trim and external corner）It is the polygon at right angle, then proceedes to the subregion
Cut out and divide, sanction timesharing still follows the requirement in a, reduces as far as possible and cuts out gradation number, avoids the occurrence of narrow plate as far as possible.
The beneficial effect of patent of the present invention is：
Advanced BIM modelling techniques, finite element analysis technology are merged, by complicated solid space stay in place form systematization, informationization,
A set of labyrinth template construction method is formd, template construction digitlization is improved to a certain extent, can effectively avoid template
The waste of material, realizes environment protecting and power-saving, adapts to following template industry development rule.
Brief description of the drawings
Fig. 1 is template construction flow chart of the present invention.
Fig. 2 is that point method schematic diagram is nearby cut out in overall shape sideline of the present invention.
Embodiment
Embodiment 1
Below in conjunction with example, accompanying drawing, the present invention is described in further detail.As shown in Figure 1 and 2,
1）Establish obform body concrete structure BIM models
According to hole body structure construction drawing, BIM platform softwares are utilized（Such as CATIA, REVIT）Establish special-shaped thin wall reinforced concrete
Soil structure BIM, examination ＆ verification drawing is checked by carrying out collision detection and roaming to model, is found in advance in drawing
Problem.
2）Finite element analysis is carried out to malformation, judges whether to need predeformation
A. the structural model in BIM models is imported into finite element analysis software（The ABAQUS as corresponding to CATIA, or
ROBOT STRUCTURE ANALYSIS corresponding to REVIT）, the model of importing is modified improve and apply structural constraint and
Load under normal use situation.
B. finite element method is used, deformation of the structure under normal use load action is analyzed, is tied according to analysis
Fruit and planform required precision, selecting malformation can cause planform deviation excessive and can not meet design accuracy index
It is required that part.
3）Calculate structure pre-deformed shape and predeformation amount：
Part for needing predeformation, normal use load equivalent opposite direction is applied in structure, calculates the change of structure
Shape after shape value and deformation, to be shaped as initial value after the deformation values and deformation, adjusted, finally determined rational by tentative calculation
Structure predeformation value and shape, offer reference is installed for stay in place form.
Structural model is adjusted according to predeformation result of calculation：
According to reasonable the predeformation value and shape calculated, the geometrical shapes in BIM models are adjusted, by predeformation
Reflect in model.
4）By irregular shape unfolded surface in structure BIM models and it is stitched together；
5）Overall sanction in advance of planning as a whole is carried out in computer to the polylith irregular shape spelled to divide
The overall specific method for planning as a whole pre- sanction point is using BIM softwares, by the irregular shape surface exhibition of each construction segment structure
Open, the overall shape being spliced into according to the size of the plate unit of setting to polylith irregular shape is cut out in advance in computer
Point, the plate unit is the repeatable old template utilized of the new template of buying and scene, and this method comprises the following steps：
A. timesharing sideline on the basis of a longest edge line of overall shape is cut out, by a right-angle side of plate unit（That is rectangle
The a line of new template or a right-angle side of the old sheet material cut through）Overlapped with benchmark sideline or parallel；
B. the sideline beyond benchmark sideline at overall shape is covered with plate unit, the requirement in a is followed during covering, with
The intersection point in benchmark sideline and adjacent sideline is starting point, is covered one by one unit, and the sideline of overall shape is in as far as possible
The central region of plate unit；After the completion of one plate unit covering, plate unit is divided into the son beyond overall shape region
Yangtze plate N within plate W and overall shape region, Yangtze plate W beyond overall shape region is moved to inside overall shape, made
Internal Yangtze plate W hypotenuse overlaps with the overall shape sideline covered before, and Yangtze plate W is closely connected with Yangtze plate N
Together, covering and Yangtze plate moving operation of each unit plate to sideline are so completed, and then is completed to overall shape side
The sanction of line near zone point；
C. after the completion of the sideline covering of overall shape（The division of labor is cut out along the template of edge area to make tentatively to complete）, in overall shape
The shape of remaining area is changed into each angle（Including inner corner trim and external corner）It is the polygon at right angle, then proceedes to the subregion
Cut out and divide, sanction timesharing still follows the requirement in a, reduces as far as possible and cuts out gradation number, avoids the occurrence of narrow plate as far as possible.
6）Unified number is carried out to pre- sanction subregion and establishes template threedimensional model
To cut out point after each plate be numbered, in numbering as far as possible comprising the affiliated structure division of plate, position range, shape and
The information such as size, it is easy to count, sorts out, reference information is provided for the actual sanction point of next step template, processing and installation.
According to structural model and plan as a whole the pre- three-dimensional information model cut out offshoot program, establish template construction scheme, displaying directly perceived
Shape, size and the installation site of each template plate, foundation is provided for template construction.
7）In-site measurement setting-out, processing template
Setting-out place is chosen, according to the coordinate data of structure in itself, FEM model predeformation analysis result is combined with, draws
Shape information and sized data are corrected to carry out setting-out.
The contraction segment structure of parabolic curvature change in the present embodiment, because its top plate is identical with bottom plate Curvature varying,
Biside plate Curvature varying is identical, and only two curves need to be released in construction.The optimization drawn during setting-out according to the analysis of structure predeformation
The coordinate that template model obtains, wooden floor is processed into the curve form for meeting construction requirement, curve of the flitch according to back rib plate
And move towards to fix, the floor in length and breadth processed is spliced into form cage, after the completion of form cage splicing, by panel with similar
The mode of covering is installed on form cage, panel is close to floor curved surface, completes the making of single form, divides result with reference to sanction
Numbering.
8）Template is installed in place according to numbering
Template assemblies are being numbered on the form bracing system of completion by analyzing to calculate to build, form surfacing assembling is strict
It is integral according to number information assembly, when template is assembled at the scene, piece between adjacent plate face is controlled, two plate connectors will
Clamp is added, it is with steel wire that template and vertical steel pipe colligation is firm after the completion of assembled with mortar leakage prevention, to keep the entirety of template
Property.
9）Shape of template, positional precision are examined
After the completion of model sheetinstallat, the information such as shape, size, coordinate in template model the template of installation is carried out shape,
Positional precision is examined, and can carry out the next step after the assay was approved.
10）Form removable, arrange statistics sheet material Information reusability
A. need to carry out finite element analysis to influence of the form removable to malformation after concreting, before form removable, it is determined that
The part-structure will not be deformed after form removal and adversely affect the dismountable segment template in rear.
B. after form removable, the board material pulled down is arranged, the shape of the repeatable board material utilized of statistics
Dimension information, it is ready for next utilize of the portion of material.
Claims (2)
- A kind of 1. complex object stay in place form construction method, it is characterised in that：Comprise the following steps：1）Establish obform body concrete structure BIM models；2）Finite element analysis is carried out to malformation, judges whether to need predeformation；3）Part for needing predeformation, calculate structure pre-deformed shape and predeformation amount；And according to predeformation result of calculation Structural model is adjusted, by predeformation reflection into model；4）By irregular shape unfolded surface in structure BIM models and it is stitched together；5）Overall sanction in advance of planning as a whole is carried out in computer to the polylith irregular shape spelled to divide；6）Unified number is carried out to pre- sanction subregion and establishes template threedimensional model；7）In-site measurement setting-out, processing template；8）Template is installed in place according to numbering；9）Shape of template, positional precision are examined；10）Form removable, arrange statistics sheet material Information reusability.
- 2. complex object stay in place form construction method according to claim 1, it is characterised in that：Step 5）Described in it is whole The decorum raise the pre- specific method cut out point be using BIM softwares, by the irregular shape unfolded surface of each construction segment structure, according to The overall shape that the size of the plate unit of setting is spliced into polylith irregular shape carries out pre- cut out in computer and divided, the plate Module unit is the repeatable old template utilized of the new template of buying and scene, and this method comprises the following steps：A. timesharing sideline on the basis of a longest edge line of overall shape is cut out, by the right-angle side and true edge of plate unit Line coincidence or parallel；B. the sideline beyond benchmark sideline at overall shape is covered with plate unit, the requirement in a is followed during covering, and Using the intersection point in benchmark sideline and adjacent sideline as starting point, covered one by one, and the sideline of overall shape is in plate unit The central region of module unit；After the completion of one plate unit covering, plate unit is divided into the daughter board beyond overall shape region Yangtze plate N within block W and overall shape region；Yangtze plate W is moved to inside overall shape, made in internal Yangtze plate W Hypotenuse overlapped with the overall shape sideline covered before, and Yangtze plate W is closely packed together with Yangtze plate N, so complete every Covering and Yangtze plate moving operation of the individual unit plate to sideline, and then complete the sanction point to overall shape sideline near zone；C. after the completion of the sideline covering of overall shape, it is the more of right angle that the shape of remaining area, which is changed into each angle, in overall shape Side shape, continue that the subregion cut out to divide.
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| CN201710810271.7A CN107590334B (en) | 2017-09-11 | 2017-09-11 | Construction method of template with complex body structure |
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| CN201710810271.7A CN107590334B (en) | 2017-09-11 | 2017-09-11 | Construction method of template with complex body structure |
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| CN107590334B CN107590334B (en) | 2020-11-06 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109977481A (en) * | 2019-03-01 | 2019-07-05 | 武汉思路富邦工程咨询有限公司 | A kind of creation method of concrete segment template and member reinforcing steel bar based on CATIA |
| CN110851901A (en) * | 2019-11-06 | 2020-02-28 | 广联达科技股份有限公司 | Template support arrangement processing method and device and electronic equipment |
| CN111199063A (en) * | 2018-11-19 | 2020-05-26 | Peri有限公司 | Method for converting plan into template planning and building manufacturing and computer program |
| CN111391075A (en) * | 2020-05-07 | 2020-07-10 | 中建四局安装工程有限公司 | BIM-based reinforced concrete broken line type roof truss prefabricating method and prefabricated formwork |
| CN111622105A (en) * | 2020-06-10 | 2020-09-04 | 中南大学 | Manufacturing method of shear key mold and bridge deck pavement structure |
| CN111779259A (en) * | 2020-05-09 | 2020-10-16 | 中建地下空间有限公司 | Construction method of aluminum alloy template suitable for molding of special-shaped structure |
| CN111877742A (en) * | 2020-08-11 | 2020-11-03 | 中建八局第二建设有限公司 | Numerical control machining construction method for special-shaped curved surface fair-faced concrete formwork system |
| CN114658208A (en) * | 2022-03-23 | 2022-06-24 | 上海大界智能设备有限公司 | Concrete pouring method and mold manufacturing method for pouring |
| CN114753627A (en) * | 2022-05-20 | 2022-07-15 | 中国建筑第二工程局有限公司 | Novel construction method for reinforcing steel backing ridges of formworks |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111199063A (en) * | 2018-11-19 | 2020-05-26 | Peri有限公司 | Method for converting plan into template planning and building manufacturing and computer program |
| CN109977481A (en) * | 2019-03-01 | 2019-07-05 | 武汉思路富邦工程咨询有限公司 | A kind of creation method of concrete segment template and member reinforcing steel bar based on CATIA |
| CN109977481B (en) * | 2019-03-01 | 2023-02-03 | 武汉思路富邦工程咨询有限公司 | Method for creating concrete assembly template and member steel bar based on CATIA |
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| CN111391075A (en) * | 2020-05-07 | 2020-07-10 | 中建四局安装工程有限公司 | BIM-based reinforced concrete broken line type roof truss prefabricating method and prefabricated formwork |
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| CN111622105A (en) * | 2020-06-10 | 2020-09-04 | 中南大学 | Manufacturing method of shear key mold and bridge deck pavement structure |
| CN111622105B (en) * | 2020-06-10 | 2021-12-07 | 中南大学 | Manufacturing method of shear key mold and bridge deck pavement structure |
| CN111877742A (en) * | 2020-08-11 | 2020-11-03 | 中建八局第二建设有限公司 | Numerical control machining construction method for special-shaped curved surface fair-faced concrete formwork system |
| CN114658208A (en) * | 2022-03-23 | 2022-06-24 | 上海大界智能设备有限公司 | Concrete pouring method and mold manufacturing method for pouring |
| CN114658208B (en) * | 2022-03-23 | 2024-05-28 | 上海大界智能设备有限公司 | Concrete pouring method and die manufacturing method for pouring |
| CN114753627A (en) * | 2022-05-20 | 2022-07-15 | 中国建筑第二工程局有限公司 | Novel construction method for reinforcing steel backing ridges of formworks |
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