CN205296558U - Large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete - Google Patents
Large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete Download PDFInfo
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- CN205296558U CN205296558U CN201520970592.XU CN201520970592U CN205296558U CN 205296558 U CN205296558 U CN 205296558U CN 201520970592 U CN201520970592 U CN 201520970592U CN 205296558 U CN205296558 U CN 205296558U
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Abstract
The utility model provides a large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete, establish the strengthening rib in the wallboard, the wallboard is lightweight aggregate micropore concrete panel or comprises lightweight aggregate micropore concrete layer and concrete structure layer and mix the wallboard, adopted lightweight aggregate micropore concrete layer as keeping warm, structure and the solution mode of decorating the integration, the dead weight is light, concentrate and construct, keep warm, decorate in an organic whole, the structure technology that is fit for whole the wallboard that the monolithic area is very big, be applicable to how high -rise steel construction, many high -rise prefabricated assembled concrete frame structure, prefabricated assembled concrete shear wall structure, prefabricated assembled concrete frame shear wall structure and other building structure's the externally -hanging wallboard and the load -bearing wall panel of the board -like structure of low multilayer. During as the cladding panel, can directly hang on the major structure, need not attach fossil fragments, can the monoblock install during as load -bearing wall panel, need not the piecemeal and build by laying bricks or stones, can be according to engineering needs customization production in ordinary cast member factory.
Description
Technical field
The utility model belongs to reinforced concrete work technical field, in particular to a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype.
Background technology
At present, the prefabricated panel of band thermal insulation layer be mainly using organic materials as EPS, XPS or benzene plate etc. as the prefabricated panel of thermal insulation layer sandwich of layers and using inorganic materials as the wallboard of thermal insulation layer as steam-pressing aero-concrete wallboard and foam concrete wallboard etc.
Wherein, compound external wall panel Problems existing using organic materials as thermal insulation layer: organic materials intensity is low, poor durability, it is necessary to thicker concrete substrate and panel come bearing load and protection organic insulation material, cause its weight per unit area big; Owing to organic materials is different with the coefficient of expansion of inorganic materials, long-time use easily produces sheet deformation or crack, and outside medium enters organic layer from crack, causes its weather resistance to reduce; The resistivity against fire of organic materials is lower than inorganic materials. Although there is good endurance using the inorganic materials such as steam-pressing aero-concrete and foamed concrete as the compound external wall panel of thermal insulation layer, the advantage that fire-resistance capacity is strong, but there is following shortcoming: inorganic materials poor thermal insulation property, for reaching same heat insulation effect, it is necessary to plate does thicker; Foamed concrete intensity is low, it is necessary to embedding structure steel frame is as carrying skeleton; Although steam-pressing aero-concrete has certain intensity but production process needs specific steam pressure equipment, little size sizing wallboard can only be made, it is necessary to the splicing of polylith wallboard scene, is attached in structural body by Lightgage Steel Joist.
Light skeletal micropore concrete take rapid hardening cement as gelling material, take staple fibre as strongthener, adopt various thickness aglite, and a kind of light weight concrete introduced micro-bubble in preparation and make, the key distinction of itself and common light aggregate concrete is that its cement stone substrate is also microvoid structure, there is the feature of light aggregate concrete and foamed concrete simultaneously, become that density is little, intensity height, splitting resistance are good, the new concrete material of thermal technology's property and weather resistance brilliance, but not yet use in large scale prefabricated out-hung panel at present.
Practical novel content
The utility model object is to provide a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype, solves and there is organic or inorganic materials in current prefabricated panel simultaneously, uses owing to the coefficient of expansion is different, long-time and easily produce sheet deformation or crack, make outside medium enter organic layer from crack, cause its weather resistance to reduce or the problem of inorganic wallboard panels; Also solve that existing prefabricated inorganic wallboard panels poor thermal insulation property, intensity are low, complex manufacturing, by building by laying bricks or stones or splice plug-in or utilize additional keel to connect into the technical barrier such as entirety, exterior wall piece poor durability.
In order to realize above-mentioned task, the utility model adopts following technical solution:
A kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype, comprise wallboard, stiffening web it is provided with in wallboard, it is characterized in that: described wallboard is the structure plate that cross section contains light skeletal micropore concrete layer, described light skeletal micropore concrete layer light skeletal micropore concrete placement and become, the described concrete cubic compressive strength of light skeletal micropore is 2.5MPa��10MPa, and thermal conductivity is 0.05��0.02W/ (m k).
Wherein, described wallboard can be monolayer constructions will plate A, and described monolayer constructions will plate A is one layer of light skeletal micropore concrete layer, and described stiffening web is arranged in described light skeletal micropore concrete layer.
Described wallboard also can be double-layer structural plate B, by light skeletal micropore concrete layer and the concrete synthem being positioned at light skeletal micropore concrete layer side, described concrete synthem is become by concrete placement, normal concrete or the fiber reinforced cement-based material of described concrete to be intensity be C20��C80, concrete synthem thickness is 20��100 millimeters; In described light skeletal micropore concrete layer and concrete synthem, stiffening web is set respectively.
Described wallboard can also be three layers of structure plate C, by the light skeletal micropore concrete layer of centre, with the concrete synthem composition laying respectively at light skeletal micropore concrete layer both sides, described concrete synthem is become by concrete placement, normal concrete or the fiber reinforced cement-based material of described concrete to be intensity be C20��C80, concrete synthem thickness is 20��100 millimeters; Stiffening web is established in described concrete synthem.
Preferably, light skeletal micropore concrete layer light skeletal used can be haydites of book structure, clay haydite, pearlstone, lytag, float stone or volcanic cinder.
Wherein, the height of described wallboard is individual layer or two floors height, and width is the width in a room or the total width in multiple room, can producing large-scale wallboard by the building standard width of a room in an old-style house, working-yard piece is few, and piece has the structural units such as Liang Zhu behind, piece process is easy, operating efficiency height, good endurance.
For ease of installing, described wallboard is provided with near base the support for supporting wallboard during installation chimeric with beams of concrete and retrain wallboard plane outer displacement and sockets built-in fitting, steel corbel when socketing built-in fitting and provide wallboard to be connected with beams of concrete being provided with constraint wallboard plane outer displacement near top in the position that bottom built-in fitting is corresponding installs the groove in space, and the size of described groove and the size of steel corbel adapt.
In addition, the upper and lower ends of described wallboard is provided with the tongue and groove for being fitting to connection.
Described wallboard has window hole and/or door opening mouth.
Described stiffening web can be assembling reinforcement, truss reinforcing bar, reinforced mesh, fiber reinforced rebar or fiber reinforcement mesh sheet, is single or double layout in wallboard.
The utility model adopts has certain intensity and heat-insulating property good light skeletal micropore concrete as the structural sheet of large scale prefabricated out-hung panel and thermal insulation layer; Light skeletal micropore concrete can carry jointly with reinforcing bar wherein and concrete synthem, and compared with prior art, technical superiority of the present utility model specifically has the following aspects:
1) body of wall is made up of inorganic composite materials, good endurance, and fire resistance is strong;
2) production technique is simple, it is possible to adopts prefabricated panel production line to complete whole production process, it is not necessary to special steam-cured, eliminates special high-pressure steaming and cultivating equipment, reduce cost, is applicable to suitability for industrialized production and construction;
3) factors such as the size of the utility model wallboard is high according to floor layer, axis spacing, transport condition and execution conditions are determined, can be highly that individual layer layer is high or two high layer by layer, width can be the width in a room can also be the width in multiple room, large-scale wallboard can be produced by the building standard width of a room in an old-style house, working-yard piece is few, and piece has the structural units such as Liang Zhu behind, and piece process is easily, operating efficiency height, good endurance.
The utility model light skeletal prefabricated out-hung panel of micropore concrete macrotype, have employed light skeletal micropore concrete and close decoration integrated settling mode as insulation, structure, there is deadweight light, structure, insulation, decoration integrated advantage, the construction process being applicable to whole very big wallboard of monolithic area, is applicable to multi and tall steel building, many high-rise prefabricated assembled concrete frame constructions, prefabricated assembled concrete shear wall structure, prefabricated assembled concrete frame-shear-wall structure and the out-hung panel of other building structure and the load-bearing wall panel of low multi-layer plate-type structure. During as cladding panel, it is possible to be directly hung in agent structure, it is not necessary to additional keel; Can monoblock install as during load-bearing wall panel, it is not necessary to piecemeal is built by laying bricks or stones; And can according to requirement of engineering customized production in common precast concrete factory.
Accompanying drawing explanation
Fig. 1 .1 the present invention relates to embodiment 1 wallboard without cross-sectional configuration schematic diagram when window hole and door opening mouth;
Fig. 1 .2 is the cross-sectional view of A1-A1 in Fig. 1 .1;
Fig. 1 .3 is the cross-sectional view of B1-B1 in Fig. 1 .1;
Fig. 2 .1 the present invention relates to organigram when having window hole 4.1 on the wallboard of embodiment 2;
Fig. 2 .2 is the cross-sectional view of A2-A2 in Fig. 2 .1;
Fig. 2 .3 is the cross-sectional view of B2-B2 in Fig. 2 .1;
Fig. 3 .1 the present invention relates to organigram when having door opening mouth 4.2 on the wallboard of embodiment 3;
Fig. 3 .2 is the cross-sectional view of A3-A3 in Fig. 3 .1;
Fig. 3 .3 is the cross-sectional view of B3-B3 in Fig. 3 .1;
Fig. 4 is the wallboard that the present invention relates to embodiment 4 is cross-sectional configuration schematic diagram during monolayer constructions will plate A;
Fig. 5 is the wallboard that the present invention relates to embodiment 5 is cross-sectional configuration schematic diagram during double-layer structural plate B;
Fig. 6 is the wallboard that the present invention relates to embodiment 6 is cross-sectional configuration schematic diagram during three layers of structure plate C;
Fig. 7 .1 the present invention relates to socketing built-in fitting 5, supporting and socket the layout schematic diagram of built-in fitting 6 and groove 7 of wallboard;
Fig. 7 .2 is Fig. 7 .1 further groove 7 and the C1-C1 cross-sectional view socketing built-in fitting 5;
Fig. 7 .3 supports the C2-C2 cross-sectional view socketing built-in fitting 6 in Fig. 7 .1;
Fig. 7 .4 supports the C3-C3 cross-sectional view socketing built-in fitting 6 in Fig. 7 .1;
Fig. 8 .1 is the assembled schematic diagram of two wallboards up and down that the present invention relates to;
Fig. 8 .2 is the structural representation of D1-D1 node section in Fig. 8 .1;
Fig. 8 .3 is the structural representation of D2-D2 node section in Fig. 8 .1;
Fig. 8 .4 is the structural representation of D3-D3 node section in Fig. 8 .1.
Reference numeral: A-monolayer constructions will plate, B-double-layer structural plate, C-tri-layers constructs plate, 1-wallboard, 1.1-light skeletal micropore concrete layer, 1.1-concrete synthem, 2-tongue and groove, 3-stiffening web, 4.1-window hole, 4.2-door opening mouth, 5-sockets built-in fitting, 6-supports and sockets built-in fitting, 7-groove, 8-beams of concrete, built-in fitting one in 8.1-beam, built-in fitting two in 8.2-beam, 9-steel corbel, 10-tie angle bar, 11-fireproof blocking, 12-polyethylene foamed rod, 13-building sealant, the fire-resistant joint filler of 14-, the airtight bar of 15-rubber.
Embodiment
Principle of the present utility model and feature being described below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The present invention relates to a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype, comprise wallboard 1, be provided with stiffening web 3 in wallboard 1, its cross-sectional configuration is containing light skeletal micropore concrete layer 1.1, it is possible to be monolayer constructions will, double-layer structural or three layers of structure. Such as Fig. 4, when wallboard 1 is monolayer constructions will plate A, it is made up of light skeletal micropore concrete layer 1.1 and the stiffening web 3 being arranged in described light skeletal micropore concrete layer 1.2; Such as Fig. 5, when wallboard 1 is double-layer structural plate B, by light skeletal micropore concrete layer 1.1 and the concrete synthem 1.2 being positioned at light skeletal micropore concrete layer 1.1 side, in described light skeletal micropore concrete layer 1.1 and concrete synthem 1.2, stiffening web 3 is set respectively; Such as Fig. 6, described wallboard 1 can also be three layers of structure plate C, and by the light skeletal micropore concrete layer 1.1 of centre, and the concrete synthem 1.2 laying respectively at light skeletal micropore concrete layer 1.1 both sides forms, and establishes stiffening web 3 in described concrete synthem 1.2. It adopts has certain intensity and heat-insulating property good light skeletal micropore concrete as the structural sheet of large scale prefabricated out-hung panel and thermal insulation layer; Light skeletal micropore concrete layer 1.1 and concrete synthem 1.2 can bearing loads common with stiffening web 3 wherein; The factors such as the size of described wallboard 1 is high according to floor layer, axis spacing, transport condition and execution conditions are determined, can be highly that individual layer layer is high or two high layer by layer, and width can be the width in a room can also be the width in multiple room.
Described concrete synthem 1.2 is become by concrete placement, and normal concrete or the fiber reinforced cement-based material of described concrete to be intensity be C20��C80, concrete synthem 1.2 thickness is 20��100 millimeters. With putting into, lightweight aggregate concrete has certain intensity (cubic compressive strength 2.5MPa-10MPa) and heat-insulating property better (thermal conductivity is 0.05-0.02W/ (m.k)) to the light skeletal micropore concrete layer 1.1 adopted, and it is as the structural sheet of described large scale prefabricated out-hung panel and thermal insulation layer. The light skeletal of light skeletal micropore concrete layer can be the one among haydites of book structure, clay haydite, pearlstone, lytag, float stone, volcanic cinder etc. Stiffening web 3 can adopt assembling reinforcement, truss reinforcing bar, reinforced mesh, fiber reinforced rebar or fiber reinforcement mesh sheet, can be single or double layout in wallboard 1.
Such as Fig. 7 .1 to 7.4, described wallboard 1 is arranged socket and bury 5 in advance, support and socket built-in fitting 6 and groove 7. Socket the plane outer displacement that built-in fitting 5 retrains described wallboard 1, support the stay-bolt part socketing built-in fitting 6 and comprising a band nut of a drawknot built-in fitting vertically disposed with metope and parallel setting axial with metope, stay-bolt part is located at and is recessed in the groove in body of wall, its bottom is extended for fixing with steel corbel 9 drawknot, it supports the gravity load of described wallboard 1 and retrains the plane outer displacement of wallboard 1, the installation space of the steel corbel 9 when groove 7 provides wallboard 1 and beams of concrete 8 to connect, its size is determined by the size of steel corbel 9. The upper and lower ends of described wallboard 1 is provided with the tongue and groove 2 for being fitting to connection. Described wallboard 1 can arrange window hole 4.1 and door opening mouth 4.2, or the array configuration of multiple window hole 4.1 and door opening mouth 4.2, Fig. 1 .1 to 1.3 the present invention relates to embodiment 1 wallboard without cross-sectional configuration schematic diagram when window hole and door opening mouth, Fig. 2 .1 to 2.3 the present invention relates to organigram when having window hole 4.1 on embodiment 1 wallboard, and Fig. 3 .1 to 3.3 the present invention relates to organigram when having door opening mouth 4.2 on embodiment 1 wallboard.
When the prefabricated out-hung panel of design the utility model light skeletal micropore concrete macrotype, first floor plan, alien invasion effect and size, transport condition and the construction hoisting condition built according to prefabricated assembled concrete carries out the fractionation design of wallboard, it is determined that need the size of each component of the wallboard of preparation; Secondly, according to the deadweight of wallboard, it is necessary to consider kind and the quantity of the combination of the loading actions such as window weight, wind loading, earthquake action and thermal stress-determine stiffening web; Then, carry out design and the inserting knot of wall plate member feature dimensions; Finally, the calculating carrying out wallboard integral heat insulation performance with check. The preparation method of the above-mentioned light skeletal prefabricated out-hung panel of micropore concrete macrotype comprises the steps:
Step one, Zhi Mo: in prefabricated panel production line die station, install limit mould according to size;
The setting of step 2, stiffening web 3 and built-in fitting: lay stiffening web 3 in corresponding position, and fixing built-in fitting;
Step 3, concrete delamination are built: according to ash wall body plate layer pattern, build normal concrete or light skeletal micropore concrete successively, and vibration compacting, form concrete synthem 1.2 or light skeletal micropore concrete layer 1.1 respectively;
Step 4, superficial compaction are floating, and carry out maintenance;
Step 5, the demoulding, lifting.
The utility model wallboard can use as load-bearing wall panel, can monoblock install, build by laying bricks or stones without the need to piecemeal, according to requirement of engineering customized production in common precast concrete factory, cladding panel can also be used as use, can directly be hung in agent structure, it is not necessary to additional keel, the installation of the prefabricated out-hung panel of light skeletal micropore concrete macrotype, such as Fig. 8 .1 to 8.4, comprises the steps:
Step one, on the wallboard end face of wallboard 1 surrounding, paste the airtight bar 15 of rubber;
Step 2, installation steel corbel 9, be welded on beams of concrete 8 by steel corbel 9, weld with built-in fitting in the beam being embedded in beam body end 1;
Step 3, on the beams of concrete 8 of wallboard 1 and agent structure the corresponding good control line of bullet;
Step 4, lifting wallboard, to designated mounting position, add temporary support;
Step 5, the nut location socketing built-in fitting 6 by the support bottom adjustment temporary support and wallboard regulate the height of wallboard 1, axial location and verticality, it is ensured that bottom panel tops install with socketing built-in fitting 5 that socket built-in fitting 6 position with the support of groove 7 with top wallboard corresponding;
Step 6, utilize a tie angle bar 10 to socket built-in fitting 6 by being embedded on the upside of beams of concrete 8 a beam built-in fitting 2 8.2 with the support of top wallboard to be connected, utilize another tie angle bar 10 to be welded to connect being embedded on the downside of beams of concrete 8 a beam built-in fitting 2 8.2 with the built-in fitting 5 that sockets of bottom wallboard;
Fireproof blocking 11 is done in step 7, gap between wallboard 1 and beams of concrete 8 and groove 7;
Step 8, the gap between upper and lower two wallboards being carried out shutoff, fire-resistant joint filler 14 shutoff of the indoor seam between wallboard, outdoor section uses polyethylene foamed rod 12 and building sealant 13 to carry out shutoff. So far, the installation of the prefabricated out-hung panel of light skeletal micropore concrete macrotype completes.
The foregoing is only better embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the light skeletal prefabricated out-hung panel of micropore concrete macrotype, comprise wallboard (1), stiffening web (3) it is provided with in described wallboard (1), it is characterized in that: described wallboard (1) is the structure plate that cross section contains light skeletal micropore concrete layer (1.1), described light skeletal micropore concrete layer (1.1) is become by light skeletal micropore concrete placement, the described concrete cubic compressive strength of light skeletal micropore is 2.5MPa��10MPa, and thermal conductivity is 0.05��0.02W/ (m k).
2. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 1, it is characterized in that: described wallboard (1) is monolayer constructions will plate (A), described monolayer constructions will plate (A) is one layer of light skeletal micropore concrete layer (1.1), and described stiffening web (3) is laid in described light skeletal micropore concrete layer (1.1).
3. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 1, it is characterized in that: described wallboard (1) is double-layer structural plate (B), by light skeletal micropore concrete layer (1.1) and the concrete synthem (1.2) being positioned at light skeletal micropore concrete layer (1.1) side, described concrete synthem (1.2) is become by concrete placement, normal concrete or the fiber reinforced cement-based material of described concrete to be intensity be C20��C80, concrete synthem (1.2) thickness is 20��100 millimeters; Stiffening web (3) is laid respectively in described light skeletal micropore concrete layer (1.1) and concrete synthem (1.1).
4. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 1, it is characterized in that: described wallboard (1) is three layers of structure plate (C), by light skeletal micropore concrete layer (1.1) of centre, with concrete synthem (1.2) composition laying respectively at light skeletal micropore concrete layer (1.1) both sides, described concrete synthem (1.2) is become by concrete placement, normal concrete or the fiber reinforced cement-based material of described concrete to be intensity be C20��C80, concrete synthem (1.2) thickness is 20��100 millimeters; Stiffening web (3) is laid in described concrete synthem (1.2).
5. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to Claims 1 to 4 any one, it is characterised in that: described light skeletal micropore concrete layer (1.1) light skeletal used is haydites of book structure, clay haydite, pearlstone, lytag, float stone or volcanic cinder.
6. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 5, it is characterised in that: the height of described wallboard (1) is individual layer or two floors height, and width is the total width in a room or multiple room.
7. a kind of light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 5, it is characterized in that: described wallboard (1) is upper to be provided with for support wallboard during install chimeric with beams of concrete (8) and the support that retrains wallboard plane outer displacement sockets built-in fitting (6) near base, the steel corbel (9) when socketing built-in fitting (5) and provide wallboard (1) to be connected with beams of concrete (8) being provided with constraint wallboard plane outer displacement near top in the position that bottom built-in fitting is corresponding installs the groove (7) in space, the size of described groove (7) and the size of steel corbel (9) adapt.
8. the light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 5, it is characterised in that: the upper and lower ends of described wallboard (1) is provided with the tongue and groove for being fitting to connection (2).
9. the light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 5, it is characterised in that: described wallboard (1) has window hole (4.1) and/or door opening mouth (4.2).
10. the light skeletal prefabricated out-hung panel of micropore concrete macrotype according to claim 6��9 any one, it is characterized in that: described stiffening web (3) is assembling reinforcement, truss reinforcing bar, reinforced mesh, fiber reinforced rebar or fiber reinforcement mesh sheet, it is single or double layout in wallboard (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970592.XU CN205296558U (en) | 2015-11-30 | 2015-11-30 | Large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520970592.XU CN205296558U (en) | 2015-11-30 | 2015-11-30 | Large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete |
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| CN205296558U true CN205296558U (en) | 2016-06-08 |
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| CN201520970592.XU Expired - Fee Related CN205296558U (en) | 2015-11-30 | 2015-11-30 | Large -scale prefabricated externally -hanging wallboard of lightweight aggregate micropore concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350703A (en) * | 2015-11-30 | 2016-02-24 | 中国建筑股份有限公司 | Lightweight-aggregate cell-concrete large prefabricated externally-hung wallboard, manufacturing method thereof and installing method thereof |
| CN109577650A (en) * | 2018-12-31 | 2019-04-05 | 广西建工集团第五建筑工程有限责任公司 | Construction site assists the assembled fashioned iron hanger of prefabricated large-sized reinforced skeleton and its construction method of the prefabricated large-sized reinforced skeleton of auxiliary |
-
2015
- 2015-11-30 CN CN201520970592.XU patent/CN205296558U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350703A (en) * | 2015-11-30 | 2016-02-24 | 中国建筑股份有限公司 | Lightweight-aggregate cell-concrete large prefabricated externally-hung wallboard, manufacturing method thereof and installing method thereof |
| CN109577650A (en) * | 2018-12-31 | 2019-04-05 | 广西建工集团第五建筑工程有限责任公司 | Construction site assists the assembled fashioned iron hanger of prefabricated large-sized reinforced skeleton and its construction method of the prefabricated large-sized reinforced skeleton of auxiliary |
| CN109577650B (en) * | 2018-12-31 | 2023-10-20 | 广西建工集团第五建筑工程有限责任公司 | Assembled steel hanger for auxiliary prefabrication of large-scale steel reinforcement framework on construction site and construction method for auxiliary prefabrication of large-scale steel reinforcement framework |
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