CN115126257A - Full-penetration construction method for assembly type building process - Google Patents
Full-penetration construction method for assembly type building process Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 239000004575 stone Substances 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 238000010586 diagram Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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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- 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
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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- 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
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Abstract
The application discloses a full-penetration construction method for an assembly type building process, which relates to the technical field of building construction and comprises the steps of laminated floor slab installation, prefabricated stair board installation and partition wall installation; the installation of the laminated floor slab comprises the following steps: controlling linear position: the horizontal control line of the laminated slab is firstly bounced before installation, the installation direction is marked on the laminated slab, a cross line is made along the centers of the pipes and the holes, and marks are made on the edges of the prefabricated slab and the upper end of the installation wall beam; an elevation control line is arranged on the concrete wall, and the elevation of the bottom of the precast slab is given; mounting a laminated slab bracket; correcting the elevation of the installation position: pouring concrete for beams and shear walls: pouring beam, shear wall concrete and floor slab concrete, wherein the joint of the precast slab, the wall and the beam is positioned at the top of the side mould; and (6) mounting the components. Compared with the prior art, the fabricated building alternate construction method saves energy consumption, is tidier and more orderly in construction site, and reflects the construction idea of green and environment protection.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a full-penetration construction method for an assembly type building process.
Background
The fabricated building is a building which is formed by transferring a large amount of field operation work in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is a representative of a modern industrial production mode due to the adoption of standardized design, factory production, assembly construction, informatization management and intelligent application.
In the concrete construction process of the prefabricated building, different assembly rates and different prefabricated component types can be adopted according to the actual conditions of the prefabricated building, and the project that the prefabricated components are adopted in the part which is not lacked in the initial trial stage is needed, so that the technical problem that the prefabricated components and the cast-in-place structure are interpenetrated in a large area is solved, particularly, under the condition that a single prefabricated component is adopted, how to make a high-efficiency reasonable construction process is needed, and the fact that the hoisting of the prefabricated components and the construction of the cast-in-place structure can be smoothly interpenetrated is the key and difficult point of the construction of the prefabricated building.
Disclosure of Invention
In order to formulate high-efficient reasonable construction process, ensure that prefabricated component hoist and mount and cast-in-place structure construction can alternate the construction smoothly, this application provides an assembly type building process full interlude construction method.
The application provides a fabricated building process full-penetration construction method which adopts the following technical scheme:
a full-penetration construction method for an assembly type building process comprises the steps of installing a composite floor slab, installing a prefabricated stair board and installing partition walls;
the installation of the laminated floor slab comprises the following steps:
s1, line position control: the horizontal control line of the laminated slab is firstly bounced before installation, the installation direction is marked on the laminated slab, a cross line is made along the centers of the pipes and the holes, and marks are made on the edges of the prefabricated slab and the upper end of the installation wall beam;
s2, drilling an elevation control line on the concrete wall, and giving the elevation of the bottom of the precast slab floor slab;
s3, mounting a laminated slab bracket;
s4, correcting the elevation of the installation position:
s5, pouring concrete for the beam and the shear wall: pouring beam, shear wall concrete and floor slab concrete, wherein the joint of the precast slab, the wall and the beam is positioned at the top of the side mould;
and S6, mounting the components.
Optionally, step S3 specifically includes:
(1) mounting a supporting top at the lower part of the laminated slab, splicing related structural aluminum molds below the prefabricated laminated slab to the elevation of the beam bottom, erecting a supporting bracket of the prefabricated laminated slab, and leveling the supporting bracket so as to be used as a supporting point of the prefabricated laminated slab;
(2) hoisting the prefabricated composite slab from top to bottom by using a tower crane, suspending when the horizontal elevation of the prefabricated composite slab is close to a specified elevation, checking the plane position, and adjusting the elevation;
(3) after the prefabricated composite slab is positioned by using the beams and the wall aluminum molds which are fixed at the lower part, hoisting is finished, and plate reinforcing steel bars reserved on the prefabricated composite slab are anchored into the cast-in-place beam;
(4) and binding main ribs on the upper part of the beam, and plugging the aluminum mould template below the elevation of the prefabricated laminated slab.
Optionally, step S6 specifically includes:
(1) and determining the components according to the requirements of the drawing, and hoisting after the serial numbers are correct. Firstly, mounting a laminated slab close to the wall edge, and then mounting other parts;
(2) an operator stands on an independently erected split heads and is not connected with a proppant laminated slab lower support of a cast-in-place wall body, and controls the height and the position of a prefabricated slab by using a strolling rope after the prefabricated member of the laminated slab is righted;
(3) correcting by using a crowbar, enabling each prefabricated part to fall on the shear wall, and allowing the control point position of the concrete slab to be installed within the range of +/-5 mm of error so as to finish the primary installation and positioning of the prefabricated parts;
(4) after the prefabricated part is initially installed in place, the horizontal fine adjustment is carried out on the prefabricated part by using the jacking fine adjuster and the adjustable support on the support, and the tight combination of the prefabricated floor slab and the batten of the support after the adjustment is ensured.
Optionally, the prefabricated staircase installation comprises the following steps:
a. controlling the line: popping up a stair installation control line according to a construction drawing, rechecking the control line and the elevation, reserving a hole with the distance of 20mm from the side surface of the stair to a structural wall body, and reserving a space for subsequent fireproof rock wool;
b. leveling the upper and lower opening beam surfaces of the prefabricated staircase;
c. hoisting and installing the prefabricated stair boards;
d. correcting the prefabricated stair boards: fine adjustment is carried out by utilizing a crowbar according to a control line;
e. plugging connecting points of the upper end and the lower end of the prefabricated stair board;
f. and (5) mounting and protecting the prefabricated stair boards.
Optionally, step c specifically includes: after the prefabricated part is installed in place initially, the horizontal fine adjustment is carried out on the prefabricated part by using the jacking fine-adjustment device and the adjustable support on the support, and the tight combination of the prefabricated floor slab and the battens of the support after the adjustment is ensured.
Optionally, step f specifically includes:
(1) the prefabricated stair boards are stacked after entering the field and cannot exceed four layers, and the skid must be placed below a stair hoisting point during stacking;
(2) the prefabricated staircase is nailed into the shape of an integral step by adopting multilayer boards before hoisting to protect the step surface from being damaged, and the two sides of the staircase are fixedly protected by the multilayer boards;
(3) and impurities such as mortar and lime soil at the reserved grouting round hole of the stair are removed completely before the prefabricated stair is hoisted, so that the grouting quality of the prefabricated stair is ensured.
Optionally, the partition wall installation comprises the following steps:
i, adopting a shoulder pole type hoisting device with a chain block, and additionally arranging a guy rope to ensure that a hoisting component is stable;
II, mounting a lower placing part of the plate, placing a hard cushion block with the wall thickness according to a control elevation at the bottom of the plate and the wall, paving mortar at the bottom of the plate and the wall, and hoisting the prefabricated wall plate;
III, correcting the prefabricated wall reinforcing steel bars by using the prefabricated wall reinforcing steel bar positioning template, and inserting the reserved reinforcing steel bars into the sleeves when the wall board is transferred
IV, paving a layering cushion block on the upper part of the prefabricated external wall heat-insulating layer along the lower edge of the wall, and leveling the elevation of the bottom of the installed wallboard by adopting a gasket;
v, mounting inclined supports by utilizing pre-buried bolts on the precast slabs and rear expansion bolts on the ground, wherein the inclined supports are arranged twice, and the distance between the upper inclined support point and the bottom is 1/2-1/3 of the height of the wall;
and VI, after the inclined support rods are adjusted, checking the horizontal position, the elevation and the verticality of the wall body again, and checking the flatness of the adjacent wall bodies.
Optionally, according to a plate arrangement drawing, a door-shaped steel clamp is fixed on a structural top plate in advance at the upper end of the splicing joint of the battens so as to meet the requirement that the steel clamp clamps two adjacent battens; and (3) reserving a gap of 20-30 mm at the lower end of the plate when the plate is erected, and tightly backing with a wood wedge.
Optionally, after the partition wall is installed and qualified through inspection, the bottom seam of the partition wall is tightly filled with C20 micro-expansion fine stone concrete, the wooden wedge is withdrawn after the fine stone concrete is poured for three days, and the hole of the wooden wedge is tightly filled with the fine stone concrete with the same mark.
Optionally, micro-expansion cement mortar is filled between the plate joints and is stricken off, a grid tape with the width of 50mm is used for pasting, and a layer of cement mortar is smeared after the plate joint mortar is dried.
In summary, the present application includes at least one of the following advantages: compared with the prior art, the fabricated building alternate construction method saves energy consumption, is tidier and more orderly in construction site, and reflects the construction idea of green and environmental protection.
Drawings
Fig. 1 is a construction flow chart of the installation of a composite floor slab.
Fig. 2 is a construction flow chart of the installation of the prefabricated staircase.
Figure 3 is a construction flow diagram for installation of a partition wall.
Detailed Description
The following embodiments of the present application are described by specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure of the present application. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application.
The present application is described in further detail below with reference to fig. 1.
The embodiment of the application discloses a full-penetration construction method for an assembly type building process. Referring to fig. 1-3, the full-penetration construction method for the assembly type building process comprises the steps of installing a composite floor slab, installing a prefabricated stair board and installing partition walls.
The installation of the laminated floor slab comprises the following steps:
s1, line position control: the horizontal control line of the laminated slab is firstly bounced before installation, the installation direction is marked on the laminated slab, a cross line is made along the centers of the pipes and the holes, and marks are made on the edges of the prefabricated slab and the upper end of the installation wall beam;
s2, drilling an elevation control line on the concrete wall, and setting the elevation of the bottom of the precast slab floor slab;
s3, mounting a laminated plate bracket:
(1) mounting a supporting top at the lower part of the laminated slab, splicing related structural aluminum molds below the prefabricated laminated slab to the elevation of the beam bottom, erecting a supporting bracket of the prefabricated laminated slab, and leveling the supporting bracket so as to be used as a supporting point of the prefabricated laminated slab;
(2) hoisting the prefabricated composite slab from top to bottom by using a tower crane, suspending when the horizontal elevation of the prefabricated composite slab is close to a specified elevation, checking the plane position, and adjusting the elevation;
(3) after the prefabricated composite slab is positioned by using the beams and the wall aluminum molds which are fixed at the lower part, hoisting is finished, and plate reinforcing steel bars reserved on the prefabricated composite slab are anchored into the cast-in-place beam;
(4) binding main ribs on the upper part of the beam, and plugging the aluminum mould template below the elevation of the prefabricated laminated slab;
s4, correcting the elevation of the installation position:
s5, pouring concrete for the beam and the shear wall: pouring beam, shear wall concrete and floor slab concrete, wherein the joint of the precast slab, the wall and the beam is positioned at the top of the side mould;
s6, mounting components:
(1) and determining the components according to the requirements of the drawing, and hoisting after the serial numbers are correct. Firstly, mounting a laminated slab close to the wall edge, and then mounting other parts;
(2) an operator stands on an independently erected split heads and is not connected with a proppant laminated slab lower support of a cast-in-place wall body, and controls the height and the position of a prefabricated slab by using a strolling rope after the prefabricated member of the laminated slab is righted;
(3) correcting by using a crowbar, enabling each side of prefabricated part to fall on the shear wall, and allowing the control point position of the concrete slab to be installed within the range of +/-5 mm of error so as to finish the primary installation and positioning of the prefabricated part;
(4) after the prefabricated member is initially installed in place, a jacking trimmer and an adjustable support on the support are used for horizontally trimming the member, so that the prefabricated floor slab is tightly combined with the battens of the support after adjustment;
the prefabricated staircase installation comprises the following steps:
a. controlling the line: popping up a stair installation control line according to a construction drawing, rechecking the control line and the elevation, reserving a hole with the distance of 20mm from the side surface of the stair to a structural wall body, and reserving a space for subsequent fireproof rock wool;
b. leveling the upper and lower opening beam surfaces of the prefabricated staircase;
c. hoisting and installing the prefabricated stair boards: after the prefabricated part is initially installed in place, a jacking trimmer and an adjustable support on the support are used for horizontally trimming the prefabricated part, so that the prefabricated floor after adjustment is tightly combined with the battens of the support;
d. correcting the prefabricated stair boards: fine adjustment is carried out by utilizing a crowbar according to a control line;
e. plugging connecting points of the upper end and the lower end of the prefabricated stair board;
f. and (3) mounting and protecting the prefabricated stair boards:
(1) the prefabricated stair boards are stacked after entering the field and cannot exceed four layers, and the skid must be placed below a stair hoisting point during stacking;
(2) the prefabricated staircase is nailed into the shape of an integral step by adopting multilayer boards before hoisting to protect the step surface from being damaged, and the two sides of the staircase are fixedly protected by the multilayer boards;
(3) and impurities such as mortar and lime soil at the reserved grouting round hole of the stair are removed completely before the prefabricated stair is hoisted, so that the grouting quality of the prefabricated stair is ensured.
The partition wall installation comprises the following steps:
i, adopting a shoulder pole type hoisting device with a chain block, and additionally arranging a guy rope to ensure that a hoisting component is stable;
II, mounting a lower placing part of the plate, placing a hard cushion block with the wall thickness according to a control elevation at the bottom of the plate and the wall, paving mortar at the bottom of the plate and the wall, and hoisting the prefabricated wall plate;
III, correcting the prefabricated wall steel bars by using the prefabricated wall steel bar positioning template, and inserting the reserved steel bars into the sleeves when the wallboard is lowered;
IV, paving a layering cushion block on the upper part of the prefabricated external wall heat-insulating layer along the lower edge of the wall, leveling the elevation of the installation bottom of the wallboard by adopting a gasket, and fixing a steel clamp in a shape like a Chinese character 'men' on a structural top plate in advance at the upper end of the splicing joint of the battens according to a batten arrangement diagram so as to meet the requirement that the steel clamp clamps two adjacent battens; a gap of 20-30 mm is reserved at the lower end of the plate when the plate is erected, and the plate is tightly backed by a wood wedge;
v, mounting inclined supports by utilizing pre-buried bolts on the precast slabs and rear expansion bolts on the ground, wherein the inclined supports are arranged twice, and the distance between the upper inclined support point and the bottom is 1/2-1/3 of the height of the wall;
and VI, after the inclined support rods are adjusted, checking the horizontal position, the elevation and the verticality of the wall body again, and checking the flatness of the adjacent wall bodies.
After the partition wall is installed, after the partition wall is qualified, C20 micro-expansion fine stone concrete is used for filling and compacting in the bottom seam of the partition wall, after the fine stone concrete is poured for three days, the wooden wedge is withdrawn, and the hole of the wooden wedge is tightly plugged by the fine stone concrete with the same mark number. Filling and strickling the plate joints with micro-expansion cement mortar, sticking the plate joints with a 50mm wide grid tape, and smearing a layer of cement mortar after the plate joint mortar is dried.
When the partition wall height was greater than 3000mm, because the mould size is limited, can't process into whole board and satisfy the altitude requirement, need the fishplate bar this moment, be about to the partition wall board connects high one section. When the plate is connected, the joints of the plate should be staggered, and the gap between staggered joints should be more than or equal to 300 mm.
Finally, although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the present application, which is defined by the claims.
Claims (10)
1. A full-penetration construction method for an assembly type building process is characterized by comprising the following steps: the method comprises the steps of installing a composite floor slab, installing a prefabricated stair board and installing a partition wall;
the installation of the laminated floor slab comprises the following steps:
s1, linear position control: the horizontal control line of the laminated slab is firstly bounced before installation, the installation direction is marked on the laminated slab, a cross line is made along the centers of the pipes and the holes, and marks are made on the edges of the prefabricated slab and the upper end of the installation wall beam;
s2, drilling an elevation control line on the concrete wall, and giving the elevation of the bottom of the precast slab floor slab;
s3, mounting a laminated slab bracket;
s4, correcting the elevation of the installation position:
s5, pouring concrete for the beam and the shear wall: pouring beam, shear wall concrete and floor slab concrete, wherein the joint of the precast slab, the wall and the beam is positioned at the top of the side mould;
and S6, mounting the components.
2. The assembly type building process full-penetration construction method according to the case requirement 1 is characterized in that: step S3 specifically includes:
(1) mounting a supporting top at the lower part of the laminated slab, splicing related structural aluminum molds below the prefabricated laminated slab to the elevation of the beam bottom, erecting a supporting bracket of the prefabricated laminated slab, and leveling the supporting bracket so as to be used as a supporting point of the prefabricated laminated slab;
(2) hoisting the prefabricated composite slab from top to bottom by using a tower crane, suspending when the horizontal elevation of the prefabricated composite slab is close to a specified elevation, checking the plane position, and adjusting the elevation;
(3) after the prefabricated composite slab is positioned by using the beams and the wall aluminum molds which are fixed at the lower part, hoisting is finished, and plate reinforcing steel bars reserved on the prefabricated composite slab are anchored into the cast-in-place beam;
(4) and binding main ribs on the upper part of the beam, and plugging the aluminum mould template below the elevation of the prefabricated laminated slab.
3. The assembly type building process full-penetration construction method according to the case requirement 1 is characterized in that: step S6 specifically includes:
(1) and determining the components according to the requirements of the drawing, and hoisting after the serial numbers are correct. Firstly, mounting a laminated slab close to the wall edge, and then mounting other parts;
(2) an operator stands on an independently erected split heads and is not connected with a proppant laminated slab lower support of a cast-in-place wall body, and controls the height and the position of a prefabricated slab by using a strolling rope after the prefabricated member of the laminated slab is righted;
(3) correcting by using a crowbar, enabling each side of prefabricated part to fall on the shear wall, and allowing the control point position of the concrete slab to be installed within the range of +/-5 mm of error so as to finish the primary installation and positioning of the prefabricated part;
(4) after the prefabricated part is installed and preliminarily positioned, the horizontal fine adjustment is carried out on the prefabricated part by using the jacking fine-adjustment device and the adjustable support on the support, and the tight combination of the prefabricated floor slab and the battens of the support after the adjustment is ensured.
4. The assembly type building process full-penetration construction method according to the case requirement 1 is characterized in that: the prefabricated staircase installation comprises the following steps:
a. controlling the line: popping up a stair installation control line according to a construction drawing, rechecking the control line and the elevation, reserving a hole with the distance of 20mm from the side surface of the stair to the structural wall body, and reserving a space for subsequent fireproof rock wool plugs;
b. leveling the upper and lower opening beam surfaces of the prefabricated staircase;
c. hoisting and installing the prefabricated stair boards;
d. correcting the prefabricated stair boards: fine adjustment is carried out by utilizing a crowbar according to a control line;
e. plugging connecting points of the upper end and the lower end of the prefabricated stair board;
f. and (5) mounting and protecting the prefabricated stair boards.
5. The assembly type building process full-penetration construction method according to the case requirement 4 is characterized in that: the step c is specifically as follows: after the prefabricated part is installed in place initially, the horizontal fine adjustment is carried out on the prefabricated part by using the jacking fine-adjustment device and the adjustable support on the support, and the tight combination of the prefabricated floor slab and the battens of the support after the adjustment is ensured.
6. The assembly type building process full-penetration construction method according to the case requirement 4 is characterized in that: the step f is specifically as follows:
(1) the prefabricated stair boards are stacked after entering the field and cannot exceed four layers, and the skid must be placed below a stair hoisting point during stacking;
(2) the prefabricated staircase is nailed into the shape of an integral step by adopting multilayer boards before hoisting to protect the step surface from being damaged, and the two sides of the staircase are fixedly protected by the multilayer boards;
(3) and impurities such as mortar and lime soil at the reserved grouting round hole of the stair are removed completely before the prefabricated stair is hoisted, so that the grouting quality of the prefabricated stair is ensured.
7. The assembly type building process full-penetration construction method according to the case requirement 1 is characterized in that: the partition wall installation comprises the following steps:
i, adopting a shoulder pole type hoisting device with a chain block, and additionally arranging a guy rope to ensure that a hoisting component is stable;
II, mounting a lower placing part of the plate, placing a hard cushion block with the wall thickness according to a control elevation at the bottom of the plate and the wall, paving mortar at the bottom of the plate and the wall, and hoisting the prefabricated wall plate;
III, correcting the prefabricated wall reinforcing steel bars by using the prefabricated wall reinforcing steel bar positioning template, and inserting the reserved reinforcing steel bars into the sleeves when the wall board is placed downwards
IV, paving a layering cushion block on the upper part of the prefabricated external wall heat-insulating layer along the lower edge of the wall, and leveling the elevation of the bottom of the installed wallboard by adopting a gasket;
v, mounting inclined supports by utilizing pre-buried bolts on the precast slabs and rear expansion bolts on the ground, wherein the inclined supports are arranged twice, and the distance between the upper inclined support point and the bottom is 1/2-1/3 of the height of the wall;
and VI, after the inclined support rods are adjusted, checking the horizontal position, the elevation and the verticality of the wall body again, and checking the flatness of the adjacent wall bodies.
8. The assembly type building process full-penetration construction method according to the case requirement 7 is characterized in that: according to a batten arrangement diagram, fixing a door-shaped steel clamp on a structural top plate at the upper end of a splicing seam of battens in advance so as to meet the requirement that the steel clamp clamps two adjacent battens; and (3) reserving a gap of 20-30 mm at the lower end of the plate when the plate is erected, and tightly backing with a wood wedge.
9. The assembly type building process full-penetration construction method according to the case requirement 8 is characterized in that: after the partition wall is installed, after the partition wall is qualified, the interior of the bottom seam of the partition wall is tightly filled with C20 micro-expansion fine stone concrete, after the fine stone concrete is poured for three days, the wooden wedge is withdrawn, and the fine stone concrete with the same mark number is used for tightly filling the hole of the wooden wedge.
10. The assembly type building process full-penetration construction method according to the case requirement 9 is characterized in that: filling and strickling the plate joints with micro-expansion cement mortar, sticking the plate joints with a 50mm wide grid tape, and smearing a layer of cement mortar after the plate joint mortar is dried.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106284787A (en) * | 2016-08-05 | 2017-01-04 | 成都市第四建筑工程公司 | Assembled superimposed sheet is installed and localization method |
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