CN110439291B - Assembly type production construction method suitable for low-rise building - Google Patents
Assembly type production construction method suitable for low-rise building Download PDFInfo
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- CN110439291B CN110439291B CN201910712686.XA CN201910712686A CN110439291B CN 110439291 B CN110439291 B CN 110439291B CN 201910712686 A CN201910712686 A CN 201910712686A CN 110439291 B CN110439291 B CN 110439291B
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 34
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 239000010410 layer Substances 0.000 claims description 92
- 238000004873 anchoring Methods 0.000 claims description 57
- 238000009413 insulation Methods 0.000 claims description 42
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 239000011241 protective layer Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000009417 prefabrication Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims 2
- 229920002223 polystyrene Polymers 0.000 claims 2
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 238000011835 investigation Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 15
- 238000011065 in-situ storage Methods 0.000 description 13
- 230000002787 reinforcement Effects 0.000 description 12
- 229920006389 polyphenyl polymer Polymers 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000005034 decoration Methods 0.000 description 5
- 238000009435 building construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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
- 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
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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
- 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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
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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
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/521—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits serving for locating conduits; for ventilating, heating or cooling
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention discloses an assembly type production construction method suitable for low-rise buildings, which comprises the following steps: 1) firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished; 2) foundation site construction: combining the positions of the prefabricated wall board and the stair component, and reserving constructional column steel bars at the joint of the wall board fixing piece and the wall board; 3) the wall plate, the top plate and the stairs are prefabricated in factories; 4) transporting the prefabricated wall plate, the prefabricated top plate and the prefabricated stairs to a field for installation; 5) after the assembly is finished, the hydroelectric installation is carried out; 6) and 5) after finishing, pouring concrete on the joint column, the beam and the top plate, pouring vibration, maintaining after initial setting, carrying out foundation investigation, designing drawings, prefabricating components such as a wallboard, the top plate and a stair, assembling on site, pouring the joint column, the beam and the top plate, maintaining, and carrying out next-layer construction, wherein the components are prefabricated in advance, so that the construction period is greatly shortened, the construction efficiency is improved, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an assembly type production construction method suitable for low-rise buildings.
Background
The building is a general term of buildings and structures, and is an artificial environment created by people by using the grasped material technical means and applying certain scientific laws and aesthetic rules to meet the needs of social life.
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.
The existing bottom layer building construction depends on workers to perform instant operation on a construction site, for example, foundation engineering construction is performed firstly, then walls are built, after the walls are stable, the top plates are poured, and after the top plates are firm, the construction of the next layer can be performed, so that the construction period is long, and the construction efficiency is low.
Disclosure of Invention
An embodiment of the present invention aims to provide a fabricated production construction method suitable for low-rise buildings to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
an assembly type production construction method suitable for low-rise buildings comprises the following steps:
1) firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished;
2) foundation site construction: combining the positions of the prefabricated wall board and the stair component, and reserving constructional column steel bars at the joint of the wall board fixing piece and the wall board;
3) the wall plate, the top plate and the stairs are prefabricated in factories;
4) transporting the prefabricated wall plate, the prefabricated top plate and the prefabricated stairs to a field for installation;
5) after the assembly is finished, the hydroelectric installation is carried out;
6) and 5) after the step 5) is finished, pouring concrete on the column, the beam and the top plate at the joint, vibrating after the pouring is finished, and curing after initial setting.
In one alternative: the wallboards in the step 3) comprise wallboards without insulating layers and wallboards with insulating layers.
In one alternative: the prefabrication method of the wallboard without the heat insulation layer comprises the following steps: the middle of the wallboard which exceeds four meters is connected with the constructional column, the thickness of the wallboard and the anti-seismic constructional steel bar are designed according to the bearing requirement, the bottom of the wallboard without the heat-insulating layer is reserved with the anchoring key, the top of the wallboard without the heat-insulating layer is reserved with the anchoring steel bar, the end part of the wallboard without the heat-insulating layer is reserved with the intersection of the adjacent wallboard with the connecting piece, and the transverse edge is reserved with.
In one alternative: the prefabrication method of the wallboard with the insulating layer comprises the following steps: the wallboard structure that has the heat preservation wallboard is for being equipped with the heat preservation protective layer in proper order to the inboard by the outside, heat preservation and structural layer, the heat preservation includes the polyphenyl board, the extruded sheet, graphite polyphenyl board, one or more combination in the polyurethane board, the structural layer is reinforced concrete structure, wallboard more than four meters adds the constructional column in the middle of the structural layer and connects, design wallboard thickness and antidetonation constructional reinforcement according to the bearing requirement, the bottom that has the heat preservation wallboard reserves the anchor key, the anchor reinforcement is reserved to the tip inboard and the horizontal edge inboard outside all reserves to link and uses the anchor key.
In one alternative: in the step 3), the top plate is a prefabricated floor slab made of truss composite slabs, the height of the prefabricated floor slab is 1/3, the prefabricated floor slab is poured in situ 2/3, the upper part of the truss is poured in situ, and the water and electricity pipelines are installed in the cast-in-situ layer.
In one alternative: in the step 3), when the wall plate and the top plate are prefabricated, the heat-insulating protective layer is made of 15mm-50mm steel wire mesh concrete; and (5) embedding the water and electricity pipeline.
In one alternative: the specific assembly steps of step 4) are as follows:
s1: wall body installation, the wall body installation includes:
and (3) installing a wall on the foundation: reserving an L-shaped fixing piece for connecting with the wall plate on the foundation finished in the step 2), connecting with the wall plate, preventing the wall plate from moving transversely and playing a role of shock resistance, reserving embedded pieces for fixing with a connecting piece of the foundation on the inner side and the outer side of the wall plate, mounting sponge rubber strips on two sides of the bottom of the wall plate, reserving grouting holes about 200mm on the bottom of the wall plate, and filling gaps between the wall plate and the foundation with grouting materials after the wall plate is in place;
and (3) mounting an L wall body: the L-shaped wallboard is composed of wallboards with heat insulation layers, constructional column reinforcing steel bars are reserved at the joint of the wallboards on the basis of completion of the step 2), before the wallboards are in place, the constructional column reinforcing steel bars are bound completely, anchoring reinforcing steel bars reserved at the joint of the wallboards are reserved at the joint of the wallboards and the constructional column, the heat insulation layers and the heat insulation protective layers of the wallboards with the heat insulation layers are used as templates at the outer sides of the constructional columns, reserved connecting pieces are arranged at the joints of the two wallboards, the outer sides of the connecting pieces are flush with the outer wall, decoration is not influenced, the reserved connecting pieces at the joints of the two wallboards are reserved in the wallboards and are connected with the wallboards through buckles or screws;
b, mounting the T-shaped wall: the inner wall of the T-shaped wall is composed of wallboards without heat insulation layers, the outer wall of the T-shaped wall is composed of wallboards with heat insulation layers, the inner wall is installed firstly, the intersection of the T-shaped wall is a cast-in-place constructional column, all anchoring reinforcing steel bars reserved on the wallboards of the inner wall and the outer wall are anchored into the constructional column, and the intersection of the wallboards of the inner wall and the outer wall is firmly connected by a connecting piece;
and (3) installing a straight wall body with the length more than four meters: the wall plates with the heat-insulating layers and the wall plates without the heat-insulating layers, which are more than four meters, are additionally provided with the constructional column in the middle, the constructional column is cast in situ, the constructional column and the wall plates on the two sides of the constructional column are intersected and reserved with anchoring steel bars, the two wall plates are respectively reserved with a concrete plate on one side to replace a template, an anchoring part is connected between the concrete plates and the wall plates, the outer sides of the reserved concrete plates are flush with the wall plates, and;
s2: and (3) mounting a floor plate: after the wall is installed, the floor slab and the wall body are provided with reserved anchoring steel bars, after the floor slab is hoisted, the edge pressing wall body is not more than 50mm, the length of the anchoring steel bar is more than 100mm, and the wall body anchoring steel bar is bent and anchored into the cast-in-place concrete of the floor slab;
s3: stair installation: the stair is a prefabricated stair, an anchoring part is reserved on a foundation according to the requirements of a drawing, a stair beam is prefabricated at a floor slab, a beam upper part reinforcing steel bar for fixing the stair anchor is reserved on the prefabricated stair beam, and the stair anchor at the upper end part of the stair is anchored into the stair beam for secondary pouring after the stair anchor is hoisted;
s4: hydroelectric installation: connecting the reserved wall pipelines with the pipelines in the top plate according to a drawing, wherein the pipelines in the floor plates are distributed, the distance between the pipelines is more than 50mm, and the pipe diameter is less than or equal to 1/4 of the plate thickness.
In one alternative: and hoisting pieces are reserved on the prefabricated wall plate, the top plate and the stair in the step 3).
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
this application is through ground reconnaissance, the design drawing, then prefabricated components such as wallboard, roof and stair, then carry out the field assembly again, carry out junction post, roof beam, roof and pour after the equipment, maintenance after the initial set, carry out the next floor construction again, prefabricated component has shortened construction cycle greatly in advance, has improved the efficiency of construction to staff's intensity of labour has been alleviateed.
Drawings
Figure 1 is a schematic view of the construction of a first embodiment of the present invention of a wall panel without insulation exceeding four meters.
Figure 2 is a schematic structural view of a first embodiment of the present invention of a wall panel having insulation in excess of four meters.
Fig. 3 is a schematic view of the installation of a foundation wall according to the first embodiment of the present invention.
Fig. 4 is a schematic view illustrating the installation of a t-shaped wall according to the first embodiment of the present invention.
Fig. 5 is a schematic view illustrating the installation of an L-shaped wall according to the first embodiment of the present invention.
Notations for reference numerals: 1-foundation, 2-grouting hole, 3-top plate, 4-connecting piece, 5-insulating layer and 6-constructional column.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
In the embodiment of the invention, an assembly type production construction method suitable for a low-rise building comprises the following steps:
1) firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished;
2) and (3) constructing the foundation 1 on site: combining the positions of the prefabricated wall board and the stair component, and reserving a constructional column 6 steel bar at the joint of the wall board fixing piece and the wall board;
3) the wall plate, the top plate 3 and the stair factory are prefabricated;
4) transporting the prefabricated wall plate, the top plate 3 and the stairs to a field for installation;
5) after the assembly is finished, the hydroelectric installation is carried out;
6) and 5) after the step 5) is finished, pouring concrete on the column, the beam and the top plate 3 at the joint, vibrating after pouring, and curing after initial setting.
Wherein, the wallboards in the step 3) comprise wallboards without insulating layers and wallboards with insulating layers.
The prefabrication method of the wallboard without the heat insulation layer comprises the following steps: the preferred cavity wallboard that adopts reduces wallboard weight, and the wallboard centre that exceeds four meters adds constructional column 6 and connects, designs wallboard thickness and antidetonation constructional reinforcement according to the bearing requirement, and anchoring key and top reservation anchoring reinforcement are reserved to no heat preservation wallboard bottom, and connecting piece 4 is reserved with the crossing department of neighbouring wallboard to no heat preservation wallboard tip, and the anchoring reinforcement is reserved to the horizontal edge.
The prefabrication method of the wallboard with the insulating layer comprises the following steps: the wallboard structure with the heat-insulating layer wallboard is sequentially provided with a heat-insulating protective layer, a heat-insulating layer 5 and a structural layer from the outer side to the inner side, wherein the heat-insulating protective layer is 15mm-50mm steel wire mesh concrete; the heat preservation 5 includes polyphenyl board, extruded sheet, graphite polyphenyl board, the combination of one or more in the polyurethane board, preferred polyphenyl board in this embodiment, and the structural layer is reinforced concrete structure, and the wallboard that exceeds four meters adds constructional column 6 in the middle of the structural layer and connects, designs wallboard thickness and antidetonation constructional reinforcement according to the bearing requirement, has the bottom of heat preservation wallboard to reserve anchor key, tip inboard reservation anchor reinforcement and the horizontal edge inboard and outside all reserve and link and use anchor key.
In the step 3), the roof 3 adopts a truss composite slab prefabricated floor slab, the height of the floor slab is 1/3 prefabricated, the floor slab is cast in situ 2/3, the upper part of the truss is cast in situ, and the water and electricity pipeline is installed in the cast-in-situ layer.
And 3) pre-burying the water and electricity pipelines when the wall plate and the top plate 3 are prefabricated.
The specific assembly steps of step 4) are as follows:
s1: wall body installation, the wall body installation includes:
and (3) installing a wall body on the foundation 1: reserving an L-shaped fixing piece for connecting with a wallboard on the foundation 1 finished in the step 2), connecting with the wallboard, preventing the wallboard from moving transversely and playing a role of earthquake resistance, reserving embedded pieces for fixing with a connecting piece 4 of the foundation 1 on the inner side and the outer side of the wallboard, mounting sponge rubber strips on two sides of the bottom of the wallboard, reserving a grouting hole 2 about 200mm on the bottom of the wallboard, and filling a gap between the wallboard and the foundation 1 with grouting material after the wallboard is in place;
and (3) mounting an L wall body: the L-shaped wall body is composed of wallboards with heat insulation layers, constructional column 6 steel bars are reserved at the joint of the wallboards on the foundation 1 finished in the step 2), before the wallboards are in place, the constructional column 6 steel bars are bound completely, anchoring steel bars reserved at the joint of the wallboards and the constructional column 6 are reserved, heat insulation layers 5 of the wallboards with the heat insulation layers and the heat insulation protective layers are arranged on the outer sides of the constructional column 6 and used as templates, reserved connecting pieces 4 are arranged at the joints of the two wallboards, the outer sides of the connecting pieces 4 are flush with the outer wall, decoration is not influenced, the connecting pieces 4 reserved at the joints of the two wallboards are reserved in the wallboards and are connected with the wallboards through buckles or screws, connecting pieces 4 are also reserved at the joints of the;
b, mounting the T-shaped wall: the inner wall of the T-shaped wall is composed of wallboards without heat insulation layers, the outer wall of the T-shaped wall is composed of wallboards with heat insulation layers, the inner wall is firstly installed, the intersection of the T-shaped wall is a cast-in-place constructional column 6, all anchoring reinforcing steel bars reserved on the wallboards of the inner wall and the outer wall are anchored in the constructional column 6, and the intersection of the wallboards of the inner wall and the outer wall is firmly connected by a connecting piece 4;
and (3) installing a straight wall body with the length more than four meters: the wall plate with the heat insulation layer and the wall plate without the heat insulation layer, which are more than four meters, are additionally provided with the constructional column 6 in the middle, the constructional column 6 is cast in place, the constructional column 6 and the wall plates on the two sides of the constructional column 6 are intersected and reserved with anchoring steel bars, the two wall plates are respectively reserved with a concrete plate on one side to replace a template, an anchoring part is connected between the concrete plates and the wall plates, and the outer sides of the reserved concrete plates are flush with the wall plates, so that;
s2: and (3) mounting a floor plate: after the wall is installed, the floor slab and the wall body are provided with reserved anchoring steel bars, after the floor slab is hoisted, the edge pressing wall body is not more than 50mm, the length of the anchoring steel bar is more than 100mm, and the wall body anchoring steel bar is bent and anchored into the cast-in-place concrete of the floor slab;
s3: stair installation: the stair is a prefabricated stair, an anchoring part is reserved on a foundation according to the requirements of a drawing, a stair beam is prefabricated at a floor slab, a beam upper part reinforcing steel bar for fixing the stair anchor is reserved on the prefabricated stair beam, and the stair anchor at the upper end part of the stair is anchored into the stair beam for secondary pouring after the stair anchor is hoisted;
s4: hydroelectric installation: connecting the reserved wall pipelines with the pipelines in the top plate 3 according to a drawing, dispersedly arranging the pipelines in the floor plates, wherein the distance between the pipelines is more than 50mm, avoiding the three pipelines from crossing at one point, and the pipe diameter is less than or equal to 1/4 of the plate thickness.
And reserving hoisting pieces on all the prefabricated parts in the step 3).
Example 2
In the embodiment of the invention, an assembly type production construction method suitable for a low-rise building comprises the following steps:
1) firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished;
2) and (3) constructing the foundation 1 on site: combining the positions of the prefabricated wall board and the stair component, and reserving a constructional column 6 steel bar at the joint of the wall board fixing piece and the wall board;
3) the wall plate, the top plate 3 and the stair factory are prefabricated;
4) transporting the prefabricated wall plate, the top plate 3 and the stairs to a field for installation;
5) after the assembly is finished, the hydroelectric installation is carried out;
6) and 5) after the step 5) is finished, pouring concrete on the column, the beam and the top plate 3 at the joint, vibrating after pouring, and curing after initial setting.
Wherein, the wallboards in the step 3) comprise wallboards without insulating layers and wallboards with insulating layers.
The prefabrication method of the wallboard without the heat insulation layer comprises the following steps: the middle of the wallboard which exceeds four meters is connected with the constructional column 6, the thickness of the wallboard and the anti-seismic constructional steel bar are designed according to the bearing requirement, the bottom of the wallboard without the heat-insulating layer is reserved with the anchoring key, the top of the wallboard without the heat-insulating layer is reserved with the anchoring steel bar, the end part of the wallboard without the heat-insulating layer is reserved with the connecting piece 4 at the intersection of the adjacent wallboard, and the transverse edge is reserved with.
The prefabrication method of the wallboard with the insulating layer comprises the following steps: the wallboard structure with the heat-insulating layer wallboard is sequentially provided with a heat-insulating protective layer, a heat-insulating layer 5 and a structural layer from the outer side to the inner side, wherein the heat-insulating protective layer is 15mm-50mm steel wire mesh concrete; the heat preservation 5 includes one or more combination in polyphenyl board, extruded sheet, graphite polyphenyl board, the polyurethane board, preferably polyurethane board in this embodiment, and the structural layer is reinforced concrete structure, and the wallboard that exceeds four meters adds constructional column 6 in the middle of the structural layer and connects, designs wallboard thickness and antidetonation constructional reinforcement according to the bearing requirement, has the bottom of heat preservation wallboard to reserve anchor key, tip inboard reserve anchor reinforcement and the horizontal edge inboard outside all reserves to link with anchor key.
In the step 3), the roof 3 adopts a truss composite slab prefabricated floor slab, the height of the floor slab is 1/3 prefabricated, the floor slab is cast in situ 2/3, the upper part of the truss is cast in situ, and the water and electricity pipeline is installed in the cast-in-situ layer.
And 3) pre-burying the water and electricity pipelines when the wall plate and the top plate 3 are prefabricated.
The specific assembly steps of step 4) are as follows:
s1: wall body installation, the wall body installation includes:
and (3) installing a wall body on the foundation 1: reserving an L-shaped fixing piece for connecting with a wallboard on the foundation 1 finished in the step 2), connecting with the wallboard, preventing the wallboard from moving transversely and playing a role of earthquake resistance, reserving embedded pieces for fixing with a connecting piece 4 of the foundation 1 on the inner side and the outer side of the wallboard, mounting sponge rubber strips on two sides of the bottom of the wallboard, reserving a grouting hole 2 about 200mm on the bottom of the wallboard, and filling a gap between the wallboard and the foundation 1 with grouting material after the wallboard is in place;
and (3) mounting an L wall body: the L-shaped wall body is composed of wallboards with heat insulation layers, constructional column 6 steel bars are reserved at the joint of the wallboards on the foundation 1 finished in the step 2), before the wallboards are in place, the constructional column 6 steel bars are bound completely, anchoring steel bars reserved at the joint of the wallboards and the constructional column 6 are reserved, heat insulation layers 5 of the wallboards with the heat insulation layers and the heat insulation protective layers are arranged on the outer sides of the constructional column 6 and used as templates, reserved connecting pieces 4 are arranged at the joints of the two wallboards, the outer sides of the connecting pieces 4 are flush with the outer wall, decoration is not influenced, the connecting pieces 4 reserved at the joints of the two wallboards are reserved in the wallboards and are connected with the wallboards through buckles or screws, connecting pieces 4 are also reserved at the joints of the;
b, mounting the T-shaped wall: the inner wall of the T-shaped wall is composed of wallboards without heat insulation layers, the outer wall of the T-shaped wall is composed of wallboards with heat insulation layers, the inner wall is firstly installed, the intersection of the T-shaped wall is a cast-in-place constructional column 6, all anchoring reinforcing steel bars reserved on the wallboards of the inner wall and the outer wall are anchored in the constructional column 6, and the intersection of the wallboards of the inner wall and the outer wall is firmly connected by a connecting piece 4;
s2: and (3) mounting a floor plate: after the wall is installed, the floor slab and the wall body are provided with reserved anchoring steel bars, after the floor slab is hoisted, the edge pressing wall body is not more than 50mm, the length of the anchoring steel bar is more than 100mm, and the wall body anchoring steel bar is bent and anchored into the cast-in-place concrete of the floor slab;
s3: stair installation: the stair is a prefabricated stair, an anchoring part is reserved on a foundation according to the requirements of a drawing, a stair beam is prefabricated at a floor slab, a beam upper part reinforcing steel bar for fixing the stair anchor is reserved on the prefabricated stair beam, and the stair anchor at the upper end part of the stair is anchored into the stair beam for secondary pouring after the stair anchor is hoisted;
s4: hydroelectric installation: connecting the reserved wall pipelines with the pipelines in the top plate 3 according to a drawing, dispersedly arranging the pipelines in the floor plates, wherein the distance between the pipelines is more than 50mm, avoiding the three pipelines from crossing at one point, and the pipe diameter is less than or equal to 1/4 of the plate thickness.
And reserving hoisting pieces on all the prefabricated parts in the step 3).
Example 3
In the embodiment of the invention, an assembly type production construction method suitable for a low-rise building comprises the following steps:
1) firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished;
2) and (3) constructing the foundation 1 on site: combining the positions of the prefabricated wall board and the stair component, and reserving a constructional column 6 steel bar at the joint of the wall board fixing piece and the wall board;
3) the wall plate, the top plate 3 and the stair factory are prefabricated;
4) transporting the prefabricated wall plate, the top plate 3 and the stairs to a field for installation;
5) after the assembly is finished, the hydroelectric installation is carried out;
6) and 5) after the step 5) is finished, pouring concrete on the column, the beam and the top plate 3 at the joint, vibrating after pouring, and curing after initial setting.
Wherein, the wallboards in the step 3) comprise wallboards without insulating layers and wallboards with insulating layers.
The prefabrication method of the wallboard without the heat insulation layer comprises the following steps: the preferred cavity wallboard that adopts reduces wallboard weight, and the wallboard centre that exceeds four meters adds constructional column 6 and connects, designs wallboard thickness and antidetonation constructional reinforcement according to the bearing requirement, and anchoring key and top reservation anchoring reinforcement are reserved to no heat preservation wallboard bottom, and connecting piece 4 is reserved with the crossing department of neighbouring wallboard to no heat preservation wallboard tip, and the anchoring reinforcement is reserved to the horizontal edge.
The prefabrication method of the wallboard with the insulating layer comprises the following steps: the wallboard structure with the heat-insulating layer wallboard is sequentially provided with a heat-insulating protective layer, a heat-insulating layer 5 and a structural layer from the outer side to the inner side, wherein the heat-insulating protective layer is 15mm-50mm steel wire mesh concrete; the heat preservation 5 is formed by proportionally combining polyphenyl boards, extruded sheets, graphite polyphenyl boards, polyurethane boards and the like, the structural layer is of a reinforced concrete structure, the middle of the structural layer is additionally provided with a constructional column 6 for connection by wallboards exceeding four meters, the thickness of the wallboards and anti-seismic constructional steel bars are designed according to bearing requirements, the bottom of each wallboard with the heat preservation is reserved with an anchoring key, the inner side of each end is reserved with an anchoring steel bar, and the inner side and the outer side of each transverse edge are reserved with anchoring keys for connection.
In the step 3), the roof 3 adopts a truss composite slab prefabricated floor slab, the height of the floor slab is 1/3 prefabricated, the floor slab is cast in situ 2/3, the upper part of the truss is cast in situ, and the water and electricity pipeline is installed in the cast-in-situ layer.
The specific assembly steps of step 4) are as follows:
s1: wall body installation, the wall body installation includes:
and (3) installing a wall body on the foundation 1: reserving an L-shaped fixing piece for connecting with a wallboard on the foundation 1 finished in the step 2), connecting with the wallboard, preventing the wallboard from moving transversely and playing a role of earthquake resistance, reserving embedded pieces for fixing with a connecting piece 4 of the foundation 1 on the inner side and the outer side of the wallboard, mounting sponge rubber strips on two sides of the bottom of the wallboard, reserving a grouting hole 2 about 200mm on the bottom of the wallboard, and filling a gap between the wallboard and the foundation 1 with grouting material after the wallboard is in place;
and (3) mounting an L wall body: the L-shaped wall body is composed of wallboards with heat insulation layers, constructional column 6 steel bars are reserved at the joint of the wallboards on the foundation 1 finished in the step 2), before the wallboards are in place, the constructional column 6 steel bars are bound completely, anchoring steel bars reserved at the joint of the wallboards and the constructional column 6 are reserved, heat insulation layers 5 of the wallboards with the heat insulation layers and the heat insulation protective layers are arranged on the outer sides of the constructional column 6 and used as templates, reserved connecting pieces 4 are arranged at the joints of the two wallboards, the outer sides of the connecting pieces 4 are flush with the outer wall, decoration is not influenced, the connecting pieces 4 reserved at the joints of the two wallboards are reserved in the wallboards and are connected with the wallboards through buckles or screws, connecting pieces 4 are also reserved at the joints of the;
b, mounting the T-shaped wall: the inner wall of the T-shaped wall is composed of wallboards without heat insulation layers, the outer wall of the T-shaped wall is composed of wallboards with heat insulation layers, the inner wall is firstly installed, the intersection of the T-shaped wall is a cast-in-place constructional column 6, all anchoring reinforcing steel bars reserved on the wallboards of the inner wall and the outer wall are anchored in the constructional column 6, and the intersection of the wallboards of the inner wall and the outer wall is firmly connected by a connecting piece 4;
and (3) installing a straight wall body with the length more than four meters: the wall plate with the heat insulation layer and the wall plate without the heat insulation layer, which are more than four meters, are additionally provided with the constructional column 6 in the middle, the constructional column 6 is cast in place, the constructional column 6 and the wall plates on the two sides of the constructional column 6 are intersected and reserved with anchoring steel bars, the two wall plates are respectively reserved with a concrete plate on one side to replace a template, an anchoring part is connected between the concrete plates and the wall plates, and the outer sides of the reserved concrete plates are flush with the wall plates, so that;
s2: and (3) mounting a floor plate: after the wall is installed, the floor slab and the wall body are provided with reserved anchoring steel bars, after the floor slab is hoisted, the edge pressing wall body is not more than 50mm, the length of the anchoring steel bar is more than 100mm, and the wall body anchoring steel bar is bent and anchored into the cast-in-place concrete of the floor slab;
s3: stair installation: the stair is a prefabricated stair, an anchoring part is reserved on a foundation according to the requirements of a drawing, a stair beam is prefabricated at a floor slab, a beam upper part reinforcing steel bar for fixing the stair anchor is reserved on the prefabricated stair beam, and the stair anchor at the upper end part of the stair is anchored into the stair beam for secondary pouring after the stair anchor is hoisted;
and reserving hoisting pieces on all the prefabricated parts in the step 3).
This application is through ground reconnaissance, the design drawing, then prefabricated components such as wallboard, roof 3 and stair, then carry out the field assembly again, carry out junction post, roof beam, roof 3 after the equipment and pour, maintenance after the initial set, carry out the next floor construction again, prefabricated component has shortened construction cycle greatly in advance, has improved the efficiency of construction to staff's intensity of labour has been alleviateed.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (4)
1. An assembly type production construction method suitable for low-rise buildings is characterized by comprising the following steps:
firstly, carrying out foundation reconnaissance, and carrying out drawing design after reconnaissance is finished;
the foundation (1) is constructed on site: combining the positions of the prefabricated wall board and the stair component, and reserving constructional column (6) steel bars at the joint of the wall board fixing piece and the wall board;
the wall plate, the top plate (3) and the stair factory are prefabricated;
transporting the prefabricated wall plate, the top plate (3) and the stairs to a field for installation;
after the assembly is finished, the hydroelectric installation is carried out;
step 5), after finishing, pouring concrete on the column, the beam and the top plate (3) at the joint, vibrating after pouring, and curing after initial setting;
the wallboards in the step 3) comprise wallboards without insulating layers and wallboards with insulating layers, and the prefabrication method of the wallboards without insulating layers comprises the following steps: the method comprises the following steps of adding a constructional column (6) in the middle of a wallboard which is more than four meters for connection, designing the thickness of the wallboard and anti-seismic constructional steel bars according to the bearing requirement, reserving an anchoring piece at the bottom of the wallboard without a heat-insulating layer and reserving anchoring steel bars at the top of the wallboard, reserving a connecting piece (4) at the intersection of the end part of the wallboard without the heat-insulating layer and an adjacent wallboard, reserving the anchoring steel bars at the transverse edge, and prefabricating the: the wallboard structure with the heat-insulating layer wallboard is sequentially provided with a heat-insulating protective layer, a heat-insulating layer (5) and a structural layer from the outer side to the inner side, wherein the heat-insulating protective layer is 15-50 mm steel wire mesh concrete; the heat-insulating layer (5) comprises one or more combinations of polystyrene boards, extruded sheets, graphite polystyrene boards and polyurethane boards, the structural layer is a reinforced concrete structure, the thickness of the wallboard and anti-seismic structural steel bars are designed according to the bearing requirement, anchoring pieces are reserved at the bottom of the wallboard with the heat-insulating layer, anchoring steel bars are reserved at the inner sides of the end parts, and anchoring pieces for linkage are reserved at the inner sides and the outer sides of the transverse edges;
the specific assembly steps of step 4) are as follows:
s1: wall body installation, the wall body installation includes:
installing a wall body on the foundation (1): reserving an L-shaped fixing piece for connecting with a wallboard on the foundation completed in the step 2), reserving embedded pieces for fixing with a connecting piece (4) of the foundation (1) on the inner side and the outer side of the wallboard, installing sponge rubber strips on two sides of the bottom of the wallboard, reserving a grouting hole (2) on the bottom of the wallboard about 200mm, and filling the gap between the wallboard and the foundation with grouting material after the wallboard is in place;
and (3) mounting an L wall body: the L-shaped wallboard is composed of wallboards with heat insulation layers, the reinforcing steel bars of the constructional columns (6) are reserved at the joints of the wallboards on the basis of completion of the step 2), the reinforcing steel bars of the constructional columns (6) are bound completely before the wallboards are placed in place, the reserved anchoring reinforcing steel bars of the wallboards are arranged at the intersections of the wallboards and the constructional columns (6), the heat insulation layers (5) of the wallboards with the heat insulation layers and the heat insulation protective layers are arranged on the outer sides of the constructional columns (6) and used as templates, the reserved connecting pieces (4) are arranged at the joints of the two wallboards, the outer sides of the connecting pieces (4) are flush with the outer walls, the reserved connecting pieces (4) at the joints of the two wallboards are reserved in the wallboards and connected with the wallboards through buckles or screws, the;
b, mounting the T-shaped wall: the inner wall of the T-shaped wall is composed of wallboards without heat insulation layers, the outer wall of the T-shaped wall is composed of wallboards with heat insulation layers, the inner wall is installed firstly, a cast-in-place constructional column (6) is arranged at the intersection of the T-shaped wall, all anchoring reinforcing steel bars reserved on the wallboards of the inner wall and the outer wall are anchored into the constructional column (6), and the intersection of the wallboards of the inner wall and the outer wall is firmly connected by a connecting piece (4);
and (3) installing a straight wall body with the length more than four meters: the construction column (6) is additionally arranged in the middle of the wall plate with the heat insulation layer and the wall plate without the heat insulation layer, the construction column (6) is cast in place, the construction column (6) and the wall plates on the two sides of the construction column (6) are intersected and reserved with anchoring steel bars, a concrete plate on one side is reserved for the two wall plates to replace a template, an anchoring part is connected between the concrete plates and the wall plates, and the outer sides of the reserved concrete plates are flush with the wall plates;
s2: and (3) mounting a floor plate: after the wall is installed, the floor slab and the wall body are provided with reserved anchoring steel bars, after the floor slab is hoisted, the edge pressing wall body is not more than 50mm, the length of the anchoring steel bar is more than 100mm, and the wall body anchoring steel bar is bent and anchored into the cast-in-place concrete of the floor slab;
s3: stair installation: the stair is a prefabricated stair, an anchoring part is reserved on a foundation according to the requirements of a drawing, a stair beam is prefabricated at a floor slab, a beam upper part reinforcing steel bar for fixing the stair anchor is reserved on the prefabricated stair beam, and the stair anchor at the upper end part of the stair is anchored into the stair beam for secondary pouring after the stair anchor is hoisted;
s4: hydroelectric installation: connecting the reserved wall pipelines with the pipelines in the top plate (3) according to a drawing, wherein the pipelines in the floor plates are distributed, the distance between the pipelines is more than 50mm, and the pipe diameter is less than or equal to 1/4 of the plate thickness.
2. The assembly type production and construction method suitable for low-rise buildings according to claim 1, wherein the top slab (3) in the step 3) is prefabricated with a truss composite slab, the height of the prefabricated slab is 1/3, the prefabricated slab is cast in place at 2/3, the upper part of the truss is cast in place, and the water and power pipelines are installed in the cast-in-place layer.
3. The assembly type production construction method suitable for the low-rise building according to the claim 1, wherein the hydropower pipeline is pre-buried when the wall plate and the top plate (3) are prefabricated in the step 3).
4. The assembly type production construction method suitable for the low-rise building according to any one of claims 1 to 3, wherein hoisting pieces are reserved on the prefabricated wall board, the top board (3) and the stair in the step 3).
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| CN112031273B (en) * | 2020-09-07 | 2022-04-19 | 华创建筑设计有限公司 | Fabricated building constructional column and construction method thereof |
| CN115030400B (en) * | 2022-08-03 | 2024-02-09 | 中国建筑第七工程局有限公司 | High-strength flexible rope connected combined wallboard structure system |
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| DE10307828A1 (en) * | 2003-02-24 | 2004-09-02 | Undrau-Anstalt | Wall panel prefabricated element as well as system and method for producing the same |
| JP2010285744A (en) * | 2009-06-09 | 2010-12-24 | Taniguchi:Kk | Narrow site building method |
| CN102235093A (en) * | 2010-04-22 | 2011-11-09 | 上海市第七建筑有限公司 | Construction method for cast-in-situ connecting joint of prefabricated member |
| CN103343572A (en) * | 2013-07-19 | 2013-10-09 | 四川大学 | Novel prefabricated composite wallboard anti-seismic energy-saving rural residence structural system |
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|---|---|---|---|---|
| DE10307828A1 (en) * | 2003-02-24 | 2004-09-02 | Undrau-Anstalt | Wall panel prefabricated element as well as system and method for producing the same |
| JP2010285744A (en) * | 2009-06-09 | 2010-12-24 | Taniguchi:Kk | Narrow site building method |
| CN102235093A (en) * | 2010-04-22 | 2011-11-09 | 上海市第七建筑有限公司 | Construction method for cast-in-situ connecting joint of prefabricated member |
| CN103343572A (en) * | 2013-07-19 | 2013-10-09 | 四川大学 | Novel prefabricated composite wallboard anti-seismic energy-saving rural residence structural system |
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