CN112012385B - Waterproof laminated slab and construction method thereof - Google Patents
Waterproof laminated slab and construction method thereof Download PDFInfo
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- CN112012385B CN112012385B CN202010740789.XA CN202010740789A CN112012385B CN 112012385 B CN112012385 B CN 112012385B CN 202010740789 A CN202010740789 A CN 202010740789A CN 112012385 B CN112012385 B CN 112012385B
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- 238000010276 construction Methods 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 188
- 239000010959 steel Substances 0.000 claims abstract description 188
- 239000010410 layer Substances 0.000 claims abstract description 55
- 239000002344 surface layer Substances 0.000 claims abstract description 23
- 239000011247 coating layer Substances 0.000 claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 239000002985 plastic film Substances 0.000 claims description 14
- 229920006255 plastic film Polymers 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2103/00—Material constitution of slabs, sheets or the like
- E04B2103/02—Material constitution of slabs, sheets or the like of ceramics, concrete or other stone-like material
Abstract
The invention relates to a waterproof laminated slab, which comprises a prefabricated bottom layer, a cast-in-place surface layer positioned on the prefabricated bottom layer, a plurality of latticed steel bar groups and a waterproof coating layer positioned between the prefabricated bottom layer and the cast-in-place surface layer, wherein the prefabricated bottom layer and the cast-in-place surface layer are both of concrete structures, the waterproof coating layer is made of LEAC waterproof coating, equipment pipelines covered by the cast-in-place surface layer are paved on the waterproof coating layer, each latticed steel bar group comprises lower threaded steel bars, upper threaded steel bars and steel connecting frames for connecting the upper threaded steel bars and the lower threaded steel bars together, the lower threaded steel bars are poured in the prefabricated bottom layer, and the upper threaded steel bars are poured in the cast-in-place surface layer. The invention provides a waterproof laminated slab with good waterproof effect and good connection strength between bottom surface layers, and solves the problems that the existing laminated slab is poor in waterproof effect and poor in connection strength between bottom surface layers.
Description
Technical Field
The invention relates to the technical field of prefabricated building boards, in particular to a waterproof laminated slab and a construction method thereof.
Background
The prefabricated building meets the requirements of building industrialization and environmental protection. The laminated slab is one of the main components of prefabricated structures.
The building industrialization is the development trend of the current building industry, and the important characteristic of the building industrialization is that building components are prefabricated and finished in a factory as much as possible, industrial machinery and complete informatization management of the factory are fully utilized, the components prefabricated in the factory are systematized due to the standardization of construction and management, the component quality can be ensured, and the error grade of the building industry can be changed from centimeter grade to millimeter grade.
The horizontal member is one of the earliest members which are prefabricated in factories, and the reason is that the horizontal member prefabrication has small influence on the seismic performance of the whole structure, and the horizontal member is simple to manufacture and install. At present, the most widely used horizontal member prefabrication is a laminated slab, and the laminated slab is formed by laminating a prefabricated bottom plate and a cast-in-place reinforced concrete surface layer. The prefabricated bottom plate is prefabricated in a factory, is lifted in place by a tower crane after being transported to the site by an automobile, and then concrete is poured in the site. The prefabricated floor is one of the components of the structural floor slab and is a permanent template for cast-in-place reinforced concrete on the prefabricated floor slab.
The laminated slab has good integrity and high rigidity, can reduce the workload of a supporting template on a construction site, saves manpower and turnover materials, has good economy, and is an important measure for reducing the manufacturing cost, accelerating the construction period and ensuring the quality of the precast concrete building. The lower surface of the laminated slab is flat, so that decoration of a finish coat is facilitated, and the laminated slab is suitable for high-rise buildings and large-bay buildings with high requirements on integral rigidity.
Chinese patent publication No. CN205907877U discloses a prefabricated superimposed sheet of stagnant water efficient, this superimposed sheet right-hand member is equipped with first recess, the right side of first recess is equipped with the lug, be equipped with the second recess on the lug, be equipped with the spring in the second recess, the spring upper end is equipped with waterproof push pedal, the concave piece of first recess interpolation connection, be equipped with the gasket between the side of concave piece and lug, the top of concave piece is equipped with pours layer one, the upper and lower surface of this prefabricated superimposed sheet all is equipped with the tarpaulin, the tarpaulin below is equipped with the insulating layer, the tarpaulin top is equipped with pours layer two. The laminated slab is troublesome to manufacture, difficult to realize industrial production, contradicts the large development trend of the building industry, has high manufacturing cost and greatly prolongs the construction time.
Chinese patent publication No. CN206616752U discloses a prefabricated composite slab surface layer structure for an assembly type building, which comprises a prefabricated composite slab, a concrete cushion layer and a waterproof layer. The laminated plate surface layer structure is characterized in that: set up the screed-coat on prefabricated superimposed sheet, set up two-layer heat preservation on the screed-coat, set up the waterproof layer on the two-layer heat preservation, set up the fine net cloth of alkali-resisting glass on the waterproof layer, set up one deck cementitious material on the fine net cloth of alkali-resisting glass, set up the dampproof course on the cementitious material, set up the timber apron on the dampproof course at last. As described above, the laminated slab constructed by using the slab surface cannot ensure the connection reliability between layers, and the biggest problem is that the laminated slab constructed by using the slab surface can only be used for floor slabs but not roof slabs.
In summary, the existing laminated slab still has the problems of poor waterproof and anti-seepage performance and incapability of being used as a roof panel, and the connection strength between the prefabricated layer and the cast-in-place layer is poor.
Disclosure of Invention
The invention provides a waterproof laminated slab with good waterproof effect and good connection strength between bottom surface layers, and solves the problems that the existing laminated slab is poor in waterproof effect and poor in connection strength between bottom surface layers.
The technical problem is solved by the following technical scheme: the utility model provides a waterproof superimposed sheet, includes prefabricated bottom and the cast-in-place surface course that is located prefabricated bottom, prefabricated bottom and cast-in-place surface course all are concrete structure, its characterized in that still includes a plurality of lattice reinforcing bar groups and is located the waterproof coating layer between prefabricated bottom and the cast-in-place surface course, waterproof coating layer upper berth is equipped with by the equipment pipeline that cast-in-place surface course covered, lattice reinforcing bar group includes lower part twisted steel, upper portion twisted steel and the steel link who links together upper portion twisted steel and lower part twisted steel, lower part twisted steel pours in the prefabricated bottom, upper portion twisted steel pours in the cast-in-place surface course. The upper surface of the prefabricated bottom layer is uneven, and the garbage reliability of the waterproof coating layer can be improved. The waterproof effect is good. The connection between the upper layer and the lower layer is reliable, and the overall connection strength is high. The wire pipe is embedded, so that the waterproof coating layer can be prevented from being damaged due to subsequent slotting.
Preferably, one of the lattice steel bar groups includes 2 lower twisted steel bars and 1 upper twisted steel bar, and the upper twisted steel bars and the lower twisted steel bars are distributed in a triangular shape. The structural strength is good.
Preferably, the steel connecting frame comprises two end connecting steel frames positioned at two ends of the upper threaded steel bars, each end connecting steel frame comprises a transverse steel section and a vertical steel bar section of which the lower end is connected to the transverse steel section, two ends of the transverse steel bar section are connected with the 2 lower threaded steel bars, and the upper end of the vertical steel bar section is connected with the upper threaded steel bars. The connection is reliable and convenient.
Preferably, the transverse steel section is welded with the vertical steel section and the lower threaded steel bar, and the vertical steel section is welded with the upper threaded steel bar. The connection is reliable.
Preferably, the transverse steel section, the vertical steel section, the upper twisted steel bar and the lower twisted steel bar are made of steel bars with the same type. The transverse and vertical reinforcing steel bar sections can be manufactured by using waste materials with insufficient length when the threaded reinforcing steel bars are arranged on the upper portion and the lower portion of the vibrator, and the economy is good.
Preferably, the lower rebar rests on the transverse steel section. The connection strength requirement of the transverse reinforcing steel bar section and the lower threaded reinforcing steel bar can be reduced.
Preferably, the steel connection frame further includes a plurality of steel reinforcing frames distributed along the extending direction of the upper threaded steel bars, each steel reinforcing frame includes 2 elastic steel clamps, each elastic steel clamp includes two first steel wire sections connected together by an upper end elastic connection and an integral structure, the lower ends of the 2 first steel wire sections are gradually separated to form a clamp opening capable of being opened and closed elastically, the upper threaded steel bars penetrate through the elastic steel clamps, the elastic steel clamps are hung on the upper threaded steel bars, the 2 lower threaded steel bars are distributed on two sides of the opening and closing direction of the clamp opening and located outside the elastic steel clamps, the two first steel wire sections are elastically abutted with the 2 lower threaded steel bars in a one-to-one correspondence manner under the elastic action of the elastic steel clamps, the 2 elastic steel clamps are distributed in a state that the upper ends are far away from the lower ends and close, and at least one first steel wire section of the 2 first steel wire sections of the 2 elastic steel clamps passes through the second steel wire section The sections are connected together, the first steel wire sections connected together through the second steel wire sections are located on the same side of the upper threaded steel bar, and the first steel wire sections and the second steel wire sections are connected together in an integrated structure. The connection of upper and lower twisted steel bars can be conveniently realized.
Preferably, an elbow is arranged at the lower end of the first steel wire section, and the lower twisted steel is positioned right above the elbow. The joint strength of the slab can be superimposed.
The invention also provides a construction method of the waterproof laminated slab, which comprises the following steps of prefabricating a prefabricated bottom layer, and carrying out rough treatment on the upper surface of the prefabricated bottom layer so as to enable the upper surface of the prefabricated bottom layer to be uneven; secondly, wrapping the upper twisted steel bar by using a plastic film; thirdly, spraying a waterproof coating layer on the upper surface of the prefabricated bottom layer; fourthly, removing the plastic film and laying an equipment pipeline; fifthly, pouring a cast-in-place surface layer, wherein the upper threaded steel bar and the equipment pipeline are wrapped by the surface layer; and sixthly, maintaining. The technical scheme of first step can increase the area of contact of waterproof coating layer and prefabricated bottom to waterproof coating layer and prefabricated bottom's reliability of being connected has been improved. The technical scheme of the second step can prevent the coating from filling the gaps between the reinforcing steel bar ribs when the waterproof coating is sprayed next step, and avoid the condition that the bonding capacity between the reinforcing steel bar and the concrete is reduced during cast-in-place.
Preferably, in the process of pouring the prefabricated bottom layer, only the lower threaded steel bars of the latticed steel bar group are connected with the steel connecting frame, the upper threaded steel bars are connected with the steel connecting frame after the prefabricated bottom layer is prefabricated, in the process of pouring the prefabricated bottom layer, the latticed steel bar group is hung in the mode that the lifting appliance is connected with the steel connecting frame, so that the lower threaded steel bars are suspended in the mold cavity of the mold for manufacturing the prefabricated bottom layer, the upper end of the mold for manufacturing the prefabricated bottom layer is opened to form a pouring gate, and concrete is input into the mold cavity from the pouring gate; the method for removing the loading film in the fourth step comprises the following steps: and sequentially connecting the upper threaded steel bars in all the latticed steel bar groups end to end through leads, then enabling current to pass through all the upper threaded steel bars to enable the upper threaded steel bars to generate heat and heat, and enabling the plastic film to be melted by the temperature rise of the upper threaded steel bars so as to enable the plastic film to be removed from the upper threaded steel bars. The convenience is good when the latticed steel bar group is prefabricated in the prefabricated bottom plate, and the full wrapping can be realized; the removal of the plastic film is rapid.
The invention has the following advantages: the waterproof coating layer is arranged, so that the waterproof effect is improved, and the laminated slab can be used as an outdoor roof board and an indoor floor board; management pre-burying can prevent the waterproof layer from being damaged due to the fact that pre-buried pipelines are formed by later excavation; the latticed steel bar group is arranged, so that the connection strength between the prefabricated bottom layer and the cast-in-place surface layer is good, and the overall strength of the laminated slab is improved; with the twisted steel, structural strength is good, scribbles waterproof coating upper strata twisted steel parcel plastic film, can prevent that waterproof coating from filling up the recess on the twisted steel surface and influencing the joining effect.
Drawings
FIG. 1 is a schematic view of a laminated panel of the present invention in front view and in perspective;
FIG. 2 is a schematic side view of a set of latticed rebars;
FIG. 3 is a diagram of the present invention.
In the figure: prefabricated bottom 1, cast-in-place surface course 2, lattice steel bar group 3, waterproof coating layer 4, equipment pipeline 5, pit 6, lower part twisted steel 7, upper portion twisted steel 8, end connection steelframe 9, horizontal steel section 10, vertical steel section 11, steel reinforcement frame 12, elasticity steel clip 13, first steel line section 14, press from both sides mouth 15, second steel line section 16, elbow 17.
Detailed Description
The present invention will be described in further detail below with reference to fig. 1 to 3.
A waterproof laminated slab comprises a prefabricated bottom layer 1 and a cast-in-place surface layer 2 positioned on the prefabricated bottom layer. The prefabricated bottom layer and the cast-in-place surface layer are both of concrete structures. Still include a plurality of lattice steel bar group 3 and be located waterproof coating layer 4 between prefabricated bottom and the cast-in-place surface course. And the equipment pipeline 5 covered by the cast-in-place surface layer is laid on the waterproof coating layer. The upper surface of the prefabricated substrate is provided with the concave pits 6 and the convex pits so as to be uneven. The latticed reinforcement set includes lower twisted steel 7, upper twisted steel 8 and a steel link connecting the upper twisted steel and the lower twisted steel together. The lower twisted steel is poured in the prefabricated bottom layer, and the upper twisted steel is poured in the cast-in-place surface layer. A lattice steel bar group includes 2 lower part twisted steel and 1 upper portion twisted steel, and upper portion twisted steel and lower part twisted steel are triangle-shaped distribution. The steel link includes two end connection steel frames 9 located at both ends of the upper twisted steel. The end connection steel frame comprises a transverse steel section 10 and a vertical steel section 11 with the lower end welded on the lateral surface of the transverse steel section in the horizontal direction. The two ends of the transverse reinforcing steel bar section are welded and connected with 2 lower threaded reinforcing steel bars. The upper end of the vertical reinforcing steel bar section is connected with the lower surface of the upper threaded reinforcing steel bar. The transverse steel section, the vertical steel section, the upper threaded steel bar and the lower threaded steel bar are made of steel bars with the same type. The lower twisted steel bars rest on the transverse steel sections. The steel connection frame further comprises a plurality of steel reinforcing frames 12 distributed along the extension direction of the upper twisted steel. The steel reinforcing frame comprises 2 resilient steel clips 13. The spring clip comprises two first wire segments 14 which are connected together at their upper ends in a spring-loaded and integral structure. The lower ends of the 2 first steel wire segments are gradually separated to form a clamping opening 15 which can be opened and closed elastically. The upper threaded steel bar penetrates through the elastic steel clip, and the elastic steel clip is hung on the upper threaded steel bar. And 2 lower threaded steel bars are distributed on two sides of the opening and closing direction of the clamping opening and are positioned outside the elastic steel clamp. The two first steel wire sections are elastically abutted together with the 2 lower threaded steel bars in a one-to-one correspondence manner under the self elastic force action of the elastic steel clip. The state that the lower extreme was drawn close is kept away from with the upper end to 2 elasticity steel clamps distributes, and 2 first steel wire sections of 2 elasticity steel clamps have a first copper wire section to link together through second steel wire section 16, and first steel wire section that links together through second steel wire section is located same one side of upper portion twisted steel, first steel wire section links together with second steel wire section body structure. The lower end of the first steel wire section is provided with an elbow 17. The lower threaded steel bar is positioned right above the elbow.
The construction method of the waterproof laminated slab comprises the following steps: firstly, prefabricating a prefabricated bottom layer, and carrying out rough treatment on the upper surface of the prefabricated bottom layer so as to enable the upper surface of the prefabricated bottom layer to be uneven; secondly, wrapping the upper twisted steel bar by using a plastic film; thirdly, spraying a waterproof coating layer on the upper surface of the prefabricated bottom layer; and fourthly, removing the plastic film and laying the equipment pipeline, and fifthly, pouring a cast-in-place surface layer, wherein the upper threaded steel bar and the equipment pipeline are wrapped by the surface layer. In the process of pouring the prefabricated bottom layer, only the lower threaded steel bars of the latticed steel bar group are connected with the steel connecting frame, the upper threaded steel bars are connected with the steel connecting frame after the prefabricated bottom layer is prefabricated, in the process of pouring the prefabricated bottom layer, the latticed steel bar group is hung in the mold cavity of the mold for manufacturing the prefabricated bottom layer in a mode of connecting the lifting appliance with the steel connecting frame, so that the lower threaded steel bars are suspended in the air in the mold cavity of the mold for manufacturing the prefabricated bottom layer, the upper end of the mold for manufacturing the prefabricated bottom layer is opened to form a pouring gate, and concrete is input into the mold cavity from the pouring gate; the method for removing the loading film in the fourth step comprises the following steps: and sequentially connecting the upper threaded steel bars in all the latticed steel bar groups end to end through leads, then enabling current to pass through all the upper threaded steel bars to enable the upper threaded steel bars to generate heat and heat, and enabling the plastic film to be melted by the temperature rise of the upper threaded steel bars so as to enable the plastic film to be removed from the upper threaded steel bars.
Claims (1)
1. A waterproof laminated slab construction method is characterized in that in the first step, the prefabricated bottom layer is prefabricated, the upper surface of the prefabricated bottom layer is subjected to rough treatment, so that the upper surface of the prefabricated bottom layer is uneven; secondly, wrapping the upper twisted steel bar by using a plastic film; thirdly, spraying a waterproof coating layer on the upper surface of the prefabricated bottom layer; fourthly, removing the plastic film and laying an equipment pipeline; fifthly, pouring a cast-in-place surface layer, wherein the upper threaded steel bar and the equipment pipeline are wrapped by the surface layer; in the process of pouring the prefabricated bottom layer, only the lower threaded steel bars of the latticed steel bar group are connected with the steel connecting frame, the upper threaded steel bars are connected with the steel connecting frame after the prefabricated bottom layer is prefabricated, in the process of pouring the prefabricated bottom layer, the latticed steel bar group is hung in the mold cavity of the mold for manufacturing the prefabricated bottom layer in a mode of connecting the lifting appliance with the steel connecting frame, so that the lower threaded steel bars are suspended in the air in the mold cavity of the mold for manufacturing the prefabricated bottom layer, the upper end of the mold for manufacturing the prefabricated bottom layer is opened to form a pouring gate, and concrete is input into the mold cavity from the pouring gate; the method for removing the loading film in the fourth step comprises the following steps: and sequentially connecting the upper threaded steel bars in all the latticed steel bar groups end to end through leads, then enabling current to pass through all the upper threaded steel bars to enable the upper threaded steel bars to generate heat and heat, and enabling the plastic film to be melted by the temperature rise of the upper threaded steel bars so as to enable the plastic film to be removed from the upper threaded steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740789.XA CN112012385B (en) | 2020-07-29 | 2020-07-29 | Waterproof laminated slab and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740789.XA CN112012385B (en) | 2020-07-29 | 2020-07-29 | Waterproof laminated slab and construction method thereof |
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| Publication Number | Publication Date |
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| CN112012385A CN112012385A (en) | 2020-12-01 |
| CN112012385B true CN112012385B (en) | 2022-02-11 |
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| CN202010740789.XA Active CN112012385B (en) | 2020-07-29 | 2020-07-29 | Waterproof laminated slab and construction method thereof |
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| CN207144269U (en) * | 2017-08-29 | 2018-03-27 | 云南建投钢结构股份有限公司 | Integral type self-locking metal buckle for fixing assembling formula steel bar truss floor support plate |
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| CN210597799U (en) * | 2019-08-07 | 2020-05-22 | 杭州嘉奕达实业有限公司 | Assembly steel bar truss building carrier plate with location structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206110504U (en) * | 2016-10-18 | 2017-04-19 | 杭州豪龙建材科技有限公司 | Layer structure is scribbled to energy -saving heat preservation building |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0859099A2 (en) * | 1997-02-18 | 1998-08-19 | Claudio Bernardinis | Wire lattice girder combinable with arc-welded steel mesh |
| CN1382241A (en) * | 1999-10-22 | 2002-11-27 | 菲利普·杜兰德 | Reinforcement for concrete wall |
| CN1641128A (en) * | 2004-01-08 | 2005-07-20 | 贸福伊德株式会社 | Planar mesh hollow concrete slab and lacing wire |
| CN107435403A (en) * | 2017-08-11 | 2017-12-05 | 中国化学工程第六建设有限公司 | Steel bar girder composite floor and its construction method |
| CN207144269U (en) * | 2017-08-29 | 2018-03-27 | 云南建投钢结构股份有限公司 | Integral type self-locking metal buckle for fixing assembling formula steel bar truss floor support plate |
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| CN208039921U (en) * | 2018-03-22 | 2018-11-02 | 陈艺州 | A kind of bathroom integrally backfills structure |
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| CN210597799U (en) * | 2019-08-07 | 2020-05-22 | 杭州嘉奕达实业有限公司 | Assembly steel bar truss building carrier plate with location structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112012385A (en) | 2020-12-01 |
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