CN112411798A - Synchronous construction method for prefabricated guide wall and main structure of toilet - Google Patents
Synchronous construction method for prefabricated guide wall and main structure of toilet Download PDFInfo
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- CN112411798A CN112411798A CN202011389312.8A CN202011389312A CN112411798A CN 112411798 A CN112411798 A CN 112411798A CN 202011389312 A CN202011389312 A CN 202011389312A CN 112411798 A CN112411798 A CN 112411798A
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- China
- Prior art keywords
- guide wall
- precast concrete
- toilet
- hoisting
- hanging
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
-
- 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
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Abstract
A synchronous construction method for a prefabricated guide wall and a main structure of a toilet comprises the following steps: s1, splitting and designing the precast concrete guide wall: the length of the guide wall is increased by 10mm at the junction with the shear wall, and the thickness of the guide wall is increased by 10mm at the junction with the floor slab; s2, manufacturing the precast concrete guide wall: pre-burying hanging nails on the precast concrete guide wall; s3, steel frame hanging die processing and manufacturing: the hanging die is formed by welding four L30 multiplied by 30 multiplied by 3mm steel square tubes, two angle steels are evenly arranged at the position of the hanging die where the prefabricated part needs to be placed according to the size of the prefabricated part and are welded with the steel square tubes; s4, hoisting a mould and prefabricating a concrete guide wall by a tower crane: installing the shaping hanging die on the horizontal supporting steel bars in the vertical limiting steel bars; hoisting the precast concrete guide wall to the corresponding position of the toilet, and connecting and fixing the precast concrete guide wall with a hoisting die bolt; s5, pouring concrete; and S6, removing the steel frame hanging mould. According to the invention, the prefabricated guide wall and the floor slab structure are cast at one time, so that the structural construction joint is prevented from being formed by secondary casting.
Description
Technical Field
The invention belongs to the field of building construction, and particularly relates to a synchronous construction method of a prefabricated guide wall and a main structure of a toilet.
Background
At present, a concrete flanging guide wall with the height not less than 200mm is generally required to be manufactured before building of a sanitary wall body in building engineering construction, a secondary formwork and concrete pouring method is adopted in traditional guide wall construction, the water stop effect is not ideal, the main quality problem is that secondary structure construction is generally adopted, and as a construction joint exists between the guide wall and a structural floor slab and the interface treatment is not in place in the pouring process, the root of the wall body of a toilet and the like is easy to leak or get damp in the later use process, the later treatment of the engineering is difficult, the material waste amount is large, and the engineering cost is increased.
Disclosure of Invention
In order to avoid the defects caused by the traditional guide wall construction, the invention provides the synchronous construction method of the prefabricated guide wall and the main structure of the toilet.
The purpose of the invention is achieved by the following technical scheme:
a synchronous construction method for a prefabricated guide wall and a main structure of a toilet comprises the following steps:
s1, splitting and designing the precast concrete guide wall: carrying out preliminary analysis on the standard layer toilet plan to determine the position of the concrete guide wall; splitting the precast concrete guide wall by using CAD drawing software, increasing the length of the guide wall by 10mm at the junction with the shear wall, and increasing the thickness of the guide wall by 10mm at the junction with a floor slab; marking the position of the embedded hanging nail;
s2, manufacturing the precast concrete guide wall: the precast concrete guide wall is prefabricated and processed by a precast concrete processing factory according to the split design drawing requirement of the precast concrete guide wall, and hanging nails are pre-buried on the precast concrete guide wall;
s3, steel frame hanging die processing and manufacturing: the hanging die is formed by welding four L30 multiplied by 30 multiplied by 3mm steel square tubes, two angle steels are evenly arranged at the position of the hanging die where the prefabricated part needs to be placed according to the size of the prefabricated part and are welded with the steel square tubes;
s4, hoisting a mould and prefabricating a concrete guide wall by a tower crane: manufacturing a suspended mold bottom support and a vertical limiting steel bar at the suspended mold bottom of the toilet; hoisting the hoisting mould to a toilet area by using a tower crane; installing the shaping hanging die on the horizontal supporting steel bars in the vertical limiting steel bars; hoisting the precast concrete guide wall to the corresponding position of the toilet, and connecting and fixing the precast concrete guide wall with a hoisting die bolt;
s5, pouring concrete: when concrete is poured, a small-sized vibrating rod is used for lifting and vibrating the slurry, and the surface of the concrete is smeared along with tamping; the position of the steel bar is checked and corrected at any time in the concrete pouring and tamping process;
and S6, removing the steel frame hanging mould.
Further, in step S4, before hoisting, a surveyor bounces the line on the floor to determine the position of each guide wall, and the line releasing error is within 2 mm.
Further, step S5, before pouring concrete, the joint of the precast concrete guide wall, the shear wall and the floor slab is subjected to hidden project acceptance.
The invention has the following characteristics:
1. the precast concrete guide wall is prefabricated, the guide wall and a floor slab structure are poured once, secondary formwork support is reduced, a structural construction joint is prevented from being formed by secondary pouring, construction is simple, speed is high, and construction period and construction cost can be saved for engineering.
2. The quality is promoted, and precast concrete guide wall is located reinforced concrete floor top, and two precast concrete guide walls set up respectively around the bathroom, and two precast concrete that meet are pre-buried to the floor in, and close as an organic whole with cast in situ concrete floor, and waterproof nature is better between the precast concrete guide wall, has solved the poor problem of suspended formwork and water-proof effects, has promoted construction quality.
3. Green construction, factory processing of the prefabricated guide wall in the toilet, field hoisting and field non-wet operation, and can effectively control pollution caused by secondary construction.
4. The concrete flanging guide wall is suitable for kitchens, toilets and the like which are specified to be made into concrete flanging guide walls in building engineering.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a plan view of a precast concrete guide wall for a toilet according to an embodiment of the present invention;
FIG. 3 is a plan view showing a disassembled state of a precast concrete guide wall for a toilet according to an embodiment of the present invention;
FIG. 4 is a plan view showing a disassembled design of the precast concrete guide wall in the toilet according to the embodiment of the present invention;
FIG. 5 is a diagram illustrating the pre-burying of the precast concrete wall-guiding hanging nail in the toilet according to the embodiment of the invention;
fig. 6 shows a shaped steel form hanging model according to an embodiment of the present invention.
In the figure: 1. toilet, 2, guide wall, 3, shear wall.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
An embodiment, referring to fig. 1, a method for synchronously constructing a prefabricated guide wall and a main structure of a toilet includes the following steps:
1. splitting and designing of precast concrete guide wall
1.1, carrying out preliminary analysis on a standard layer toilet plan to determine the positions of concrete guide walls (in the figure 2, the toilet 1, the guide walls 2 and the shear walls 3 are shown in the figure);
1.2, splitting and designing the precast concrete guide wall by using CAD drawing software (figure 3);
1.3, increasing the length of the guide wall by 10mm at the interface of the guide wall and the shear wall (figure 4);
1.4, increasing the thickness of the guide wall by 10mm at the junction of the guide wall and a floor slab;
1.5 marking the position of the embedded hanging nail (figure 5);
2. precast concrete guide wall manufacturing method
2.1, prefabricating and processing the precast concrete component in a processing plant according to the requirement of a prefabricated concrete guide wall splitting design drawing;
2.2, hanging nails are pre-buried on the precast concrete guide wall, so that later-stage hoisting is facilitated;
3. processing and manufacturing of steel frame hanging die
3.1, transporting the L30 multiplied by 30 multiplied by 3mm steel square pipe which is qualified after detection to a construction site;
3.2 the hanging mould is formed by welding four L30 multiplied by 30 multiplied by 3mm steel square tubes;
3.3 evenly arranging two angle steels according to the size of the prefabricated part at the mould hanging position where the prefabricated part needs to be placed, welding the angle steels with the square steel pipes to form the angle steels, and fixing the prefabricated part at the later stage; (FIG. 6)
4. Tower crane hoisting hanging mould and precast concrete guide wall
4.1 before hoisting, a measurer bounces a line on the floor to determine the positions of all the guide walls, the paying-off errors are within 2mm, and a hanging die bottom support and a vertical limiting steel bar are manufactured at the bottom of a hanging die in a toilet;
4.2, hoisting the hanging mould to a toilet area by using a tower crane;
4.3, installing the shaping hanging die on the horizontal supporting steel bars in the vertical limiting steel bars;
4.4 hoisting the precast concrete guide wall to the corresponding position of the toilet, and connecting and fixing the precast concrete guide wall with a hoisting die bolt;
5. pouring of concrete
5.1 before the concrete is poured, carrying out concealed engineering acceptance on the joints of the precast concrete guide wall, the shear wall and the floor slab;
5.2 when pouring concrete, using a small-sized vibrating rod to carry slurry and vibrate, and smearing the surface of the concrete along with tamping;
5.3, checking and correcting the position of the reinforcing steel bar at any time in the concrete pouring and tamping process;
6. and (5) dismantling the steel frame hanging mould.
The prefabricated concrete guide wall adopted by the invention ensures the verticality of the internal and external corners of the guide wall, avoids the formwork supporting difficulty caused by one-time pouring or two-time pouring of the cast-in-place concrete guide wall and the main structure, and the synchronous construction of the prefabricated concrete guide wall and the main structure avoids two-time scattered construction and repeated construction, thereby eliminating the pollution caused by the two-time construction, enhancing the integrity of the water stop wall and the floor slab, improving the self-waterproof capability of the structure, reducing the later repair cost, and conforming to the current concept of energy conservation, consumption reduction, low carbon and environmental protection.
The prefabricated concrete guide wall is adopted, the hoisting is convenient, the operation time of workers is greatly saved, and the work efficiency is improved. The steel frame is adopted to hang the die, so that the turnover utilization rate is high, the accurate positioning can be realized, the material loss rate under the traditional reinforcement mode is reduced, and the cost is saved. Adopt precast concrete to lead wall and the synchronous construction technique of major structure, the concrete member impression quality is better, has effectively guaranteed structural member cross-sectional dimension, reduces the later stage because of the required expense of chiseling and repairing of expanding die.
Claims (3)
1. A synchronous construction method of a prefabricated guide wall and a main structure of a toilet is characterized in that: the method comprises the following steps:
s1, splitting and designing the precast concrete guide wall: carrying out preliminary analysis on the standard layer toilet plan to determine the position of the concrete guide wall; splitting the precast concrete guide wall by using CAD drawing software, increasing the length of the guide wall by 10mm at the junction with the shear wall, and increasing the thickness of the guide wall by 10mm at the junction with a floor slab; marking the position of the embedded hanging nail;
s2, manufacturing the precast concrete guide wall: the precast concrete guide wall is prefabricated and processed by a precast concrete processing factory according to the split design drawing requirement of the precast concrete guide wall, and hanging nails are pre-buried on the precast concrete guide wall;
s3, steel frame hanging die processing and manufacturing: the hanging die is formed by welding four L30 multiplied by 30 multiplied by 3mm steel square tubes, two angle steels are evenly arranged at the position of the hanging die where the prefabricated part needs to be placed according to the size of the prefabricated part and are welded with the steel square tubes;
s4, hoisting a mould and prefabricating a concrete guide wall by a tower crane: manufacturing a suspended mold bottom support and a vertical limiting steel bar at the suspended mold bottom of the toilet; hoisting the hoisting mould to a toilet area by using a tower crane; installing the shaping hanging die on the horizontal supporting steel bars in the vertical limiting steel bars; hoisting the precast concrete guide wall to the corresponding position of the toilet, and connecting and fixing the precast concrete guide wall with a hoisting die bolt;
s5, pouring concrete: when concrete is poured, a small-sized vibrating rod is used for lifting and vibrating the slurry, and the surface of the concrete is smeared along with tamping; the position of the steel bar is checked and corrected at any time in the concrete pouring and tamping process;
and S6, removing the steel frame hanging mould.
2. The synchronous construction method of the prefabricated guide wall and the main structure of the toilet as claimed in claim 1, wherein: and step S4, before hoisting, a surveyor bounces the line on the floor to determine the position of each guide wall, and the line releasing error is within 2 mm.
3. The synchronous construction method of the prefabricated guide wall and the main structure of the toilet as claimed in claim 1, wherein: and step S5, before concrete pouring, performing concealed engineering acceptance on the joints of the precast concrete guide wall, the shear wall and the floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389312.8A CN112411798A (en) | 2020-12-02 | 2020-12-02 | Synchronous construction method for prefabricated guide wall and main structure of toilet |
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| CN202011389312.8A CN112411798A (en) | 2020-12-02 | 2020-12-02 | Synchronous construction method for prefabricated guide wall and main structure of toilet |
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| CN112411798A true CN112411798A (en) | 2021-02-26 |
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| CN202011389312.8A Pending CN112411798A (en) | 2020-12-02 | 2020-12-02 | Synchronous construction method for prefabricated guide wall and main structure of toilet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538782A (en) * | 2022-11-03 | 2022-12-30 | 中国水利水电第三工程局有限公司 | Secondary optimization construction method for concrete structure of high-rise building |
| CN116290456A (en) * | 2023-01-18 | 2023-06-23 | 北京房修一建筑工程有限公司 | Assembled building construction technology |
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| KR20030000068A (en) * | 2001-06-22 | 2003-01-06 | 동영금속 주식회사 | Assembling mold of water proof concrete sill |
| US20040093824A1 (en) * | 2002-09-19 | 2004-05-20 | Huber Donald G. | Concrete forming apparatus for foundation pier blocks and a method for constructing pier blocks |
| CN102383593A (en) * | 2011-08-29 | 2012-03-21 | 浙江城建建设集团有限公司 | Support formwork device and construction method for one-step formed flange concrete in kitchens and toilets |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115538782A (en) * | 2022-11-03 | 2022-12-30 | 中国水利水电第三工程局有限公司 | Secondary optimization construction method for concrete structure of high-rise building |
| CN116290456A (en) * | 2023-01-18 | 2023-06-23 | 北京房修一建筑工程有限公司 | Assembled building construction technology |
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Application publication date: 20210226 |
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