CN111188446A - Prefabricated combined type cavity floor and construction process thereof - Google Patents
Prefabricated combined type cavity floor and construction process thereof Download PDFInfo
- Publication number
- CN111188446A CN111188446A CN201811352323.1A CN201811352323A CN111188446A CN 111188446 A CN111188446 A CN 111188446A CN 201811352323 A CN201811352323 A CN 201811352323A CN 111188446 A CN111188446 A CN 111188446A
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- panel
- bottom plate
- cavity floor
- plate
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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
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
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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
Abstract
The invention discloses a prefabricated combined type cavity floor, which relates to the technical field of assembly type buildings and comprises at least 1 cavity floor and at least 2 supporting beams, wherein the cavity floor comprises a panel, a middle plate, a bottom plate, a connecting piece and at least 3 edge sealing plates, the panel, the middle plate and the bottom plate are sequentially connected, and the edge sealing plates are arranged at the outer side of the middle plate and enclose the panel, the middle plate and the bottom plate into a whole; the panel and the bottom plate are provided with bidirectional stress tendons and prestressed tendons, the panel is also provided with at least 3 panel stand columns, and the bottom plate is provided with at least 3 bottom plate stand columns, wherein the panel stand columns and the bottom plate stand columns are connected in a one-to-one correspondence manner through connecting pieces.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a prefabricated combined type cavity floor system and a construction process thereof.
Background
At present, steel structure strategy is implemented and assembly type buildings are pushed in China, so that the foundation is laid for housing industrialization, and no matter how the connotation and extension of the buildings are expanded and updated, the building structure system is required to have the characteristics of multifunction, economy, technological content, energy conservation, environmental protection, high market demand, high safety factor and the like. In order to enable the shaping, specification and quantitative production of the fabricated components to be possible, the problem of the prefabricated and fabricated concrete floor is solved, and the fabricated building system is the most important, most urgent and the largest thing at present. The technical difficulty of the traditional cast-in-place cavity floor lies in industrial manufacture in factories, so that the development of a prefabricated combined type reinforced concrete cavity floor by reforming and re-processing prefabricated assembled cavity components produced in an industrialized way is a great breakthrough for realizing the new technology of a prefabricated assembled structure system, and becomes an urgent need for innovation in the technical field of prefabricated buildings.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a prefabricated combined type cavity floor and a construction process thereof.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a prefabricated combined type cavity floor comprises at least 1 cavity floor and at least 2 supporting beams, wherein the cavity floor comprises a panel, a middle plate, a bottom plate, a connecting piece and a sealing plate, the panel, the middle plate and the bottom plate are sequentially connected, and the sealing plate is arranged on the outer side of the middle plate and encloses the panel, the middle plate and the bottom plate into a whole; the panel and the bottom plate are provided with bidirectional stress tendons and prestressed tendons, the panel is further provided with at least 3 panel stand columns, the bottom plate is provided with at least 3 bottom plate stand columns, and the panel stand columns and the bottom plate stand columns are connected in a one-to-one correspondence mode through connecting pieces.
On the basis of the technical scheme, the top surface of the panel is flat, the bottom surface of the panel is curved, and the thickness of the plate between any two adjacent panel columns is in an irregular shape with a thin middle and thick two sides; the bottom surface of the bottom plate is flat, the top surface of the bottom plate is a curved surface, and the thickness of the plate between any two adjacent bottom plate stand columns is in an irregular shape with a thin middle and thick two sides.
On the basis of the technical scheme, the upright column of the panel is in a shape of a cylinder, a polygonal column, a large-upper-small-lower-falling step shape, an inverted trapezoid table shape or an inverted cone table shape, and the upright column of the bottom plate is in a shape of a cylinder, a polygonal column, a large-upper-small-lower-falling step shape, a trapezoid table shape or a cone table shape.
On the basis of the technical scheme, the panel stand column is provided with a panel preformed hole, and the bottom plate stand column is provided with a bottom plate preformed hole.
On the basis of the technical scheme, the bottom plate and the bottom plate upright post are integrally prefabricated and molded; or the bottom plate and the bottom plate upright post are respectively prefabricated and formed and are connected through one or more of male-female tenon connection, screw-nut connection, tongue-and-groove insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding; the panel and the panel upright post are integrally prefabricated and molded; or the panel and the panel upright post are respectively prefabricated and formed and are connected through one or more of male and female tenon connection, screw and nut connection, tongue-and-groove insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding.
On the basis of the technical scheme, the panel, the bottom plate, the panel upright column, the bottom plate upright column or the middle plate is made of one of reinforced concrete, steel reinforced concrete, high-strength mortar and steel wire mesh, high-strength mortar and fiber mesh, steel-wood combination, steel-plastic combination and engineering plastics.
On the basis of the technical scheme, additional reinforcing steel bars are arranged at the joints of the panel and the panel upright columns, and additional reinforcing steel bars are arranged at the joints of the bottom plate and the bottom plate upright columns.
On the basis of the technical scheme, the panel preformed hole penetrates through the panel upright post; the reserved hole of the bottom plate penetrates through the upright post of the bottom plate.
On the basis of the technical scheme, the upper surface or/and the lower surface of the middle plate is/are provided with a buckle or a clamping groove; or the upper surface or/and the lower surface of the middle plate is fixedly provided with a pipeline or a pipeline.
On the basis of the technical scheme, the edge sealing plate is provided with the protruding part, the shape of the protruding part is matched with the shape of a cavity enclosed by the panel and the bottom plate, and the thickness of the protruding part is not less than 50 mm.
On the basis of the technical scheme, the supporting beam is a cast-in-place, prefabricated or superposed section steel beam, a wood beam, a concrete beam, a steel-wood composite beam, a reinforced concrete beam or a section steel concrete beam.
On the basis of the technical scheme, the construction process of the prefabricated combined type cavity floor comprises the following steps:
a. respectively prefabricating a panel, a bottom plate and a middle plate;
b. setting a bottom support of the supporting beam;
c. hoisting the supporting beam and placing the supporting beam on a column or a wall, or erecting a supporting beam template and binding reinforcing steel bars of the supporting beam;
d. hoisting the bottom plate, placing the bottom plate on the supporting beam or a side template of the supporting beam, and binding or welding a stress rib of the supporting beam;
e. installing and fixing horizontal pipelines/pipes on the upper and lower surfaces of the bottom plate or/and the middle plate;
f. hoisting and fixing the middle plate;
g. hoisting a panel, installing a connecting piece, installing a side sealing plate, and binding or welding a stress rib of a supporting beam;
h. a beam-penetrating pipe is embedded at the splicing position of the two cavity floor slabs;
i. pouring and tamping concrete at the splicing part of the supporting beam and the two cavity floor slabs, and curing and forming.
Compared with the prior art, the invention has the advantages that:
(1) compared with a rib beam floor, the prefabricated combined type cavity floor has the advantages of good use function and high rigidity, and is usually applied to large-span and large-bay floors. The thickness of the floor structure layer can be reduced due to the use of the building floor structure, so that the floor net height is increased, a good visual effect is achieved, and a suspended ceiling and related expenses are saved.
(2) Compared with a cast-in-place hollow floor, the prefabricated combined type cavity floor provided by the invention avoids the problems of manufacturing and transporting an internal mold (cavity member), has a higher hollow rate, reduces the self-weight load of the floor, reduces the material consumption and saves the construction cost.
(3) All floor slab components of the prefabricated combined type cavity floor system are prefabricated in a factory, a slab bottom template does not need to be erected on a construction site, the assembly rate of a building structure is greatly improved, the construction cost is obviously reduced, the construction progress is accelerated, energy is saved, the environment is protected, the pollution is reduced, and the efficiency is obviously improved in the production and construction processes.
(4) The hollow part of the prefabricated combined type cavity floor system can reduce the transmission of noise and heat, and the sound insulation and heat insulation performance is obviously improved.
(5) The prefabricated combined type cavity floor disclosed by the invention is mainly characterized in that the arch force is transferred through the oval holes in two directions, the stress concentration of the hollow part is avoided, and the stress model is simple and reasonable.
(6) Compared with all other floor forms, the prefabricated combined type cavity floor has the advantages that the steel bars and the concrete of the prefabricated combined type cavity floor are all manufactured and installed in a prefabrication factory, so that the operation of the steel bars and the pouring and maintenance of the concrete are not needed to be carried out on site, the quality of the structure is guaranteed, the construction period of a project is effectively shortened, and the construction cost is saved.
(7) The prefabricated combined type cavity floor air channel and various pipelines are more convenient to install and maintain. After the hoisting of the bottom plate assembly is completed on site, the air duct and the pipeline are directly installed on the bottom plate assembly.
Drawings
FIG. 1 is a partial cross-sectional view of a prefabricated modular cavity floor according to an embodiment of the present invention;
FIG. 2 is a front view of a cavity floor in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of an embodiment of the present invention showing the installation of a bead plate;
FIG. 5 is a schematic structural diagram of a panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a bottom plate in an embodiment of the invention.
In the figure: 1-panel, 2-bottom plate, 3-panel column, 4-bottom plate column, 5-connecting piece, 6-bidirectional stress bar, 7-prestressed bar, 8-edge sealing plate, 9-supporting beam, 10-middle plate, 31-panel preformed hole and 41-bottom plate preformed hole.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a prefabricated combined type cavity floor, including at least 1 cavity floor and at least 2 supporting beams 9, referring to fig. 2 and 3, the cavity floor includes a panel 1, an intermediate plate 10, a bottom plate 2, a connecting member 5 and at least 3 edge sealing plates 8, the panel 1, the intermediate plate 10, and the bottom plate 2 are connected in sequence, referring to fig. 4, the edge sealing plates 8 are disposed outside the intermediate plate 10 and enclose the panel 1, the intermediate plate 10, and the bottom plate 2 into a whole; the panel 1 and the bottom plate 2 are both provided with a bidirectional stress bar 6 and a prestressed bar 7, and in the factory prefabrication stage, the bidirectional stress bar 6 and the prestressed bar 7 are poured and fixed to form together with the panel 1 and the bottom plate 2. The panel 1 is also provided with at least 3 panel upright posts 3, the bottom plate 2 is provided with at least 3 bottom plate upright posts 4, and the panel upright posts 3 and the bottom plate upright posts 4 are connected in a one-to-one correspondence manner through connecting pieces 5.
Referring to fig. 5, the top surface of the panel 1 is flat, the bottom surface is curved, and the thickness between any two adjacent panel columns 3 is irregular with a thin middle and thick two sides; referring to fig. 6, the bottom surface of the bottom plate 2 is flat, the top surface is curved, and the thickness between any two adjacent bottom plate columns 4 is irregular with a thin middle and thick two sides. In the embodiment, the panel 1 and the bottom plate 2 are symmetrical along the contact surface, so that the cavity floor slab has integral up-down conversion performance, and can be divided into an upper surface and a lower surface to be used as the floor slab on the basis of not changing the structural characteristics, and can also be divided into a left surface and a right surface according to the actual situation, and the hollow cavity floor slab is used as a wall body or a wall body component part, and the hollow cavity floor slab has diversity in application.
The shape of the panel upright post 3 is cylindrical, polygonal columnar, big-end-up and small-end-down stepped, inverted trapezoidal or inverted conical, and the panel upright post 3 is provided with a panel preformed hole 31. The shape of the bottom plate upright post 4 is cylindrical, polygonal columnar, big-end-down-large-drop-level, trapezoidal or conical, and the bottom plate upright post 4 is provided with a bottom plate preformed hole 41. The panel stand column 3 and the bottom plate stand column 4 in the embodiment have the same size and structure and can be mutually matched and replaced, so that the occupation of a production line is reduced, the production efficiency can be improved, and the field assembly and connection difficulty is obviously reduced.
The bottom plate 2 and the bottom plate upright post 4 are integrally prefabricated and molded; or the bottom plate 2 and the bottom plate upright posts 4 are respectively prefabricated and formed and are connected through one or more of male and female tenon connection, screw and nut connection, tongue and groove insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding; the panel 1 and the panel upright post 3 are integrally prefabricated and molded; or the panel 1 and the panel upright post 3 are respectively prefabricated and formed and are connected through one or more of male and female tenon connection, screw and nut connection, tongue-and-groove insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding.
The material of the panel 1, the bottom plate 2, the panel upright column 3, the bottom plate upright column 4 or the middle plate 10 is one of reinforced concrete, steel reinforced concrete, high-strength mortar and steel wire mesh, high-strength mortar and fiber mesh, steel-wood combination, steel-plastic combination and engineering plastics. The panel 1, the bottom plate 2, the panel upright post 3 and the bottom plate upright post 4 are integrally preformed on a special die of a prefabrication factory.
The junction of the panel 1 and the panel upright post 3 is provided with additional steel bars, and the junction of the bottom plate 2 and the bottom plate upright post 4 is provided with additional steel bars. The additional steel bars can obviously improve the bending resistance and the shearing resistance of the panel 1 and the panel upright post 3 and the bottom plate 2 and the bottom plate upright post 4, and strengthen the structural strength of the connecting part.
The panel preformed hole 31 penetrates through the panel upright post 3; the floor reserve holes 41 penetrate the floor columns 4.
Referring to fig. 2, the middle plate 10 is a heat insulation plate, and the upper or/and lower panels of the middle plate 10 are provided with pipe/duct fixing clips for fixing pipes/ducts of a house, such as hot and cold water pipes, power supply lines, and other functional facilities. The middle plate 10 divides the inner space of the prefabricated combined type cavity floor into two parts, wherein the upper part is a cold flow layer, and the lower part is a hot flow layer; the lower heat flow layer can be heated by utilizing the heated heat flow, so that the house has better warm-keeping effect.
The panel preformed hole 31 penetrates through the panel upright post 3; the floor reserve holes 41 penetrate the floor columns 4. The edge sealing plate 6 is provided with a protruding part, the shape of the protruding part is matched with the shape of a cavity enclosed by the panel 1 and the bottom plate 2, and the thickness of the protruding part is not less than 50 mm. The edge sealing plate 8 is matched with the shape of the hole at the edge of the cavity floor slab and protrudes inwards, the shape of the protrusion is consistent with the shape of the space formed by splicing the panel 1 and the bottom plate 2, the depth of the protrusion is not less than 50mm, and the protrusion and the supporting beam are integrally cast in situ and cured to form a member similar to a bracket and can be used as a shear resistant part of the supporting beam.
The supporting beam 9 is a cast-in-place, prefabricated or superposed section steel beam, a wood beam, a concrete beam, a steel-wood composite beam, a reinforced concrete beam or a section steel concrete beam. The number of the support beams 9, which are actually used for supporting the cavity floor, is determined according to specific engineering conditions.
A construction process of a prefabricated combined type cavity floor comprises the following steps:
a. respectively prefabricating a panel 1, a bottom plate 2 and an intermediate plate 10;
b. a bottom support of the supporting beam 2 is arranged;
c. hoisting the supporting beam 2 and placing the supporting beam on a column or a wall, or erecting a template of the supporting beam 2 and binding reinforcing steel bars of the supporting beam 2;
d. hoisting the base plate 2 and placing the base plate on the supporting beam 2 or a side template of the supporting beam 2, binding or welding a transverse stress rib 6 and a longitudinal stress rib 7 of the base plate 2, and binding or welding a stress rib of the supporting beam 2;
e. installing and fixing horizontal pipes/pipes on the upper and lower surfaces of the bottom plate 2 or/and the middle plate 10;
f. hoisting and fixing the middle plate 10;
g. hoisting a panel 1, installing a connecting piece 5, installing a side sealing plate 8, binding or welding a transverse stress rib 6 and a longitudinal stress rib 7 of the panel 1, and binding or welding a stress rib of a supporting beam 2;
h. a beam-penetrating pipe is embedded at the splicing position of the two cavity floor slabs;
i. and pouring concrete at the splicing part of the supporting beam 2 and the two cavity floor slabs, and curing and forming.
The prefabricated combined type cavity floor system disclosed by the invention realizes prefabrication, assembly parts are standardized, the production management is convenient, the structure is simplified, the prefabricated combined type cavity floor system is convenient to disassemble and transport, and the transport cost is reduced; the prefabricated combined type cavity floor system is convenient to construct, the construction period can be shortened, and the number of workers in field construction is remarkably reduced.
Compared with a rib beam floor, the prefabricated combined type cavity floor has the advantages of good use function and high rigidity, and is usually applied to large-span and large-bay floors. The thickness of the floor structure layer can be reduced due to the use of the building floor structure, so that the floor net height is increased, a good visual effect is achieved, and a suspended ceiling and related expenses are saved.
Compared with a cast-in-place hollow floor, the prefabricated combined type cavity floor provided by the invention avoids the problems of manufacturing and transporting an internal mold (cavity member), has a higher hollow rate, reduces the self-weight load of the floor, reduces the material consumption and saves the construction cost.
All floor slab components of the prefabricated combined type cavity floor system are prefabricated in a factory, a slab bottom template does not need to be erected on a construction site, the assembly rate of a building structure is greatly improved, the construction cost is obviously reduced, the construction progress is accelerated, energy is saved, the environment is protected, the pollution is reduced, and the efficiency is obviously improved in the production and construction processes.
The hollow part of the prefabricated combined type cavity floor system can reduce the transmission of noise and heat, and the sound insulation and heat insulation performance is obviously improved.
The prefabricated combined type cavity floor disclosed by the invention is mainly characterized in that the arch force is transferred through the oval holes in two directions, the stress concentration of the hollow part is avoided, and the stress model is simple and reasonable.
Compared with all other floor forms, the prefabricated combined type cavity floor has the advantages that the steel bars and the concrete of the prefabricated combined type cavity floor are all manufactured and installed in a prefabrication factory, so that the operation of the steel bars and the pouring and maintenance of the concrete are not needed to be carried out on site, the quality of the structure is guaranteed, the construction period of a project is effectively shortened, and the construction cost is saved; and the installation and maintenance of the air channel and various pipelines of the floor system are more convenient. After the hoisting of the bottom plate assembly is completed on site, the air duct and the pipeline are directly installed on the bottom plate assembly.
Because the construction of the prefabricated combined type cavity floor is simpler, no template needs to be erected for the floor, and the laying workload of the templates and the number of the templates are far less than those of a cast-in-situ floor. The construction speed is faster than that of the traditional beam slab structure and the bidirectional ribbed cavity floor structure because the concrete pouring, the maintenance work and the reinforcing steel bar processing work are not needed on site.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (12)
1. A prefabricated combined type cavity floor is characterized in that: the hollow floor slab comprises at least 1 hollow floor slab and at least 2 supporting beams (9), wherein the hollow floor slab comprises a panel (1), an intermediate plate (10), a bottom plate (2), a connecting piece (5) and at least 3 edge sealing plates (8), the panel (1), the intermediate plate (10) and the bottom plate (2) are sequentially connected, and the edge sealing plates (8) are arranged on the outer side of the intermediate plate (10) and enclose the panel (1), the intermediate plate (10) and the bottom plate (2) into a whole; the panel (1) with bottom plate (2) all are equipped with two-way atress muscle (6) and prestressing tendons (7), panel (1) still is equipped with 3 at least panel stand (3), bottom plate (2) are equipped with 3 at least bottom plate stand (4), wherein panel stand (3) with bottom plate stand (4) pass through connecting piece (5) one-to-one is connected.
2. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the top surface of the panel (1) is flat, the bottom surface of the panel is curved, and the thickness of the plate between any two adjacent panel upright columns (3) is in an irregular shape with a thin middle and thick two sides; the bottom surface of the bottom plate (2) is flat, the top surface of the bottom plate is curved, and the thickness between any two adjacent bottom plate upright posts (4) is in an irregular shape with a thin middle and thick two sides.
3. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the shape of the panel upright post (3) is cylindrical, polygonal columnar, large-upper-small-lower-falling-stage shape, inverted trapezoidal table shape or inverted conical table shape, and the shape of the bottom plate upright post (4) is cylindrical, polygonal columnar, large-upper-small-lower-falling-stage shape, trapezoidal table shape or conical table shape.
4. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the panel upright post (3) is provided with a panel preformed hole (31), and the bottom plate upright post (4) is provided with a bottom plate preformed hole (41).
5. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the bottom plate (2) and the bottom plate upright posts (4) are integrally prefabricated and molded; or the bottom plate (2) and the bottom plate upright posts (4) are respectively prefabricated and formed and are connected through one or more of male-female tenon connection, screw-nut connection, rabbet insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding; the panel (1) and the panel upright post (3) are integrally prefabricated and molded; or the panel (1) and the panel upright post (3) are respectively prefabricated and formed and are connected through one or more of male-female tenon connection, screw-nut connection, rabbet insertion, reserved connecting piece welding, post-cast concrete connection and engineering glue bonding.
6. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the panel (1), the bottom plate (2), the panel upright columns (3), the bottom plate upright columns (4) or the middle plate (10) is made of one of reinforced concrete, steel reinforced concrete, high-strength mortar and steel wire mesh, high-strength mortar and fiber mesh, steel-wood combination, steel-plastic combination and engineering plastics.
7. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the panel is characterized in that additional steel bars are arranged at the joint of the panel (1) and the panel upright post (3), and additional steel bars are arranged at the joint of the bottom plate (2) and the bottom plate upright post (4).
8. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the panel preformed hole (31) penetrates through the panel upright post (3); the bottom plate preformed hole (41) penetrates through the bottom plate upright post (4).
9. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the upper surface or/and the lower surface of the middle plate (10) is/are provided with a buckle or a clamping groove; or the upper surface or/and the lower surface of the middle plate (10) is/are fixedly provided with a pipeline or a pipeline.
10. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the edge sealing plate (6) is provided with a protruding part, the shape of the protruding part is matched with the shape of a cavity enclosed by the panel (1) and the bottom plate (2), and the thickness of the protruding part is not less than 50 mm.
11. A prefabricated modular cavity floor system as claimed in claim 1, wherein: the supporting beam (2) is a cast-in-place, prefabricated or superposed section steel beam, a wood beam, a concrete beam, a steel-wood composite beam, a reinforced concrete beam or a section steel concrete beam.
12. A construction process for a prefabricated modular cavity floor according to claim 1, comprising the steps of:
a. respectively prefabricating the panel (1), the bottom plate (2) and the middle plate (10);
b. a bottom support for the support beam (2);
c. hoisting the supporting beam (2) and placing the supporting beam on a column or a wall, or erecting a template of the supporting beam (2) and binding steel bars of the supporting beam (2);
d. hoisting the bottom plate (2), placing the bottom plate on the supporting beam (2) or a side template of the supporting beam (2), and binding or welding the stress rib of the supporting beam (2);
e. installing and fixing horizontal pipelines/pipes on the upper and lower surfaces of the bottom plate (2) or/and the middle plate (10);
f. hoisting and fixing the middle plate (10);
g. hoisting the panel (1), installing the connecting piece (5), installing the edge sealing plate (8), and binding or welding the stress rib of the supporting beam (2);
h. a beam-penetrating pipe is embedded at the splicing position of the two cavity floor slabs;
i. and pouring concrete at the splicing part of the supporting beam (2) and the two cavity floor slabs, and curing and forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352323.1A CN111188446A (en) | 2018-11-14 | 2018-11-14 | Prefabricated combined type cavity floor and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811352323.1A CN111188446A (en) | 2018-11-14 | 2018-11-14 | Prefabricated combined type cavity floor and construction process thereof |
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| CN111188446A true CN111188446A (en) | 2020-05-22 |
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| CN201811352323.1A Pending CN111188446A (en) | 2018-11-14 | 2018-11-14 | Prefabricated combined type cavity floor and construction process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814367A (en) * | 2020-12-31 | 2021-05-18 | 武汉楚天浩瑞科技发展有限公司 | Plastic-coated aluminum frame steel building template |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814367A (en) * | 2020-12-31 | 2021-05-18 | 武汉楚天浩瑞科技发展有限公司 | Plastic-coated aluminum frame steel building template |
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