CN112227404A - Connecting system and connecting method for prefabricated superposed foundation and prefabricated superposed shear wall - Google Patents
Connecting system and connecting method for prefabricated superposed foundation and prefabricated superposed shear wall Download PDFInfo
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- CN112227404A CN112227404A CN202011081827.1A CN202011081827A CN112227404A CN 112227404 A CN112227404 A CN 112227404A CN 202011081827 A CN202011081827 A CN 202011081827A CN 112227404 A CN112227404 A CN 112227404A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
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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
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
- E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
- E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
- E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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Abstract
The invention discloses a connecting system and a connecting method of a prefabricated superposed foundation and a prefabricated superposed shear wall, and belongs to the field of fabricated buildings. The prefabricated concrete composite foundation comprises a peripheral wall protecting plate and inner partition plates for partitioning the interior of the peripheral wall protecting plate into a plurality of cavities, wherein the top of each inner partition plate is provided with two positioning grooves; the inner leaf plate and the outer leaf plate of the prefabricated superposed shear wall are clamped in the positioning groove, the lower portion of the lapped reinforcing steel bar is located in the cavity, the upper portion of the lapped reinforcing steel bar is located between the inner leaf plate and the outer leaf plate, and concrete is poured in the cavity, so that the prefabricated concrete superposed foundation and the prefabricated superposed shear wall are connected into a whole. The invention solves the problems of difficult positioning of the reserved overlap steel bar of the foundation, high precision requirement and the like in the transportation, hoisting and connection processes of the precast concrete foundation due to overlarge self weight; the concrete construction does not need to support templates, scaffolds and the like, the efficiency is high, and the quality is guaranteed.
Description
Technical Field
The invention relates to the field of assembly type buildings, in particular to a connecting system and a connecting method of a prefabricated superposed foundation and a prefabricated superposed shear wall.
Background
In a traditional construction method, a cast-in-place concrete foundation is connected with a shear wall through a method of on-site wet operation pouring. The method has the advantages of more field wet operation, mold erecting and disassembling, serious pollution, long construction period and higher cost.
In order to reduce the field wet operation and reduce the use of field templates as much as possible, the assembly type building is produced by the year. The concrete foundation and the shear wall are prefabricated in a factory and then transported to a construction site for hoisting and mounting, so that the use of site templates can be greatly reduced, and even the site templates can be omitted. The precast concrete foundation and the precast superposed shear wall of the existing fabricated building are generally connected by adopting steel bar sleeve grouting or by adopting steel bar lap joint.
When the steel bar sleeve grouting connection is adopted, the steel bar sleeve grouting connection is not easy to operate, and the on-site construction quality is not easy to detect, so that the construction quality is not easy to ensure; and the material cost of the sleeve component is high, and the construction cost is greatly improved.
When the reinforcing steel bar lap joint is adopted, the wallboard is not easy to position, and the joint bar reserved on the foundation is easy to have the problem of 'putting up' with the truss reinforcing steel bar in the shear wall, so that the construction quality is not easy to guarantee.
In addition, the precast concrete foundation of the existing fabricated building is of a solid structure and has a heavy self-weight, and the requirements on machinery in the processes of hoisting, transportation and the like are high, so that the hoisting and transportation costs are increased.
Disclosure of Invention
The invention provides a connecting system and a connecting method of a prefabricated superposed foundation and a prefabricated superposed shear wall, which solve the problems of difficulty in positioning of a foundation reserved overlap joint reinforcing steel bar, high precision requirement and the like caused by overlarge self weight of a prefabricated concrete foundation in the processes of transportation, hoisting and connection; and a template, a scaffold and the like are not required to be erected in the construction of the foundation concrete, so that the efficiency is high and the quality is guaranteed.
The technical scheme provided by the invention is as follows:
the utility model provides a connected system of prefabricated coincide basis and prefabricated coincide shear wall, includes precast concrete coincide basis, prefabricated coincide shear wall and overlap joint reinforcing bar, wherein:
the precast concrete superposed foundation comprises a peripheral wall protecting plate and at least one inner baffle plate arranged in the peripheral wall protecting plate, wherein the inner baffle plate divides the interior of the peripheral wall protecting plate into a plurality of cavities, and the top of each inner baffle plate is provided with two positioning grooves;
the prefabricated superposed shear wall comprises an inner blade plate, an outer blade plate and truss steel bars for connecting the inner blade plate and the outer blade plate together;
the inner leaf plate and the outer leaf plate are clamped in the positioning groove, the lower portion of the lap joint reinforcing steel bar is located in the cavity, the upper portion of the lap joint reinforcing steel bar is located between the inner leaf plate and the outer leaf plate, and concrete is poured in the cavity, so that the precast concrete superposed foundation and the precast superposed shear wall are connected into a whole.
Furthermore, the precast concrete superposed foundation comprises a plurality of foundation units, and each foundation unit comprises two peripheral wall protection plates arranged in parallel along the length direction and at least one inner partition plate arranged along the width direction;
two peripheral dado boards of every basic unit stretch out the interior baffle of both ends certain length in length direction, and a plurality of basic units splice together in length direction, form a complete cavity in the concatenation department after two adjacent basic units splice.
Furthermore, the lower part of the foundation unit is provided with a distribution reinforcing steel bar along the length direction and a stress reinforcing steel bar along the width direction.
Further, the distribution steel bars of two adjacent foundation units are connected together through horizontal lap steel bars.
Furthermore, longitudinal reinforcing steel bar meshes are arranged in the peripheral wall protecting plate and the inner partition plate.
Furthermore, longitudinal inner blade plate reinforcing mesh and longitudinal outer blade plate reinforcing mesh are respectively arranged in the inner blade plate and the outer blade plate, and the truss reinforcing steel bars are connected with the inner blade plate reinforcing mesh and the outer blade plate reinforcing mesh together.
Furthermore, the distance between the stressed steel bars and the bottom surface of the precast concrete superposed foundation is 40-70mm, the thickness of the peripheral wall protecting plates and the thickness of the inner partition plate are not less than 50mm, the depth of the positioning groove is not less than 150mm, and the length of the inner partition plate extending out of the two peripheral wall protecting plates of each foundation unit to the two extreme ends is not more than 500mm in the length direction.
The connection method of the connection system of the prefabricated superposed foundation and the prefabricated superposed shear wall comprises the following steps:
s1: hoisting and positioning the precast concrete superposed foundation to a flat ground;
s2: setting lap steel bars in the precast concrete superposed foundation;
s3: hoisting the prefabricated superposed shear wall to be right above the prefabricated concrete superposed foundation so that the inner leaf plate and the outer leaf plate are clamped in the positioning groove, and the upper part of the lapped reinforcing steel bar is positioned between the inner leaf plate and the outer leaf plate;
s4: pouring concrete into the cavity, so that the precast concrete superposed foundation and the precast superposed shear wall are connected into a whole.
Further, the S1 includes:
hoisting and positioning a plurality of foundation units on a flat ground, splicing the foundation units together in the length direction, connecting the distributed reinforcing steel bars of adjacent foundation units together through horizontal lapping reinforcing steel bars, and sealing the splicing joints between the adjacent foundation units through a sealing structure;
the S3 further includes: arranging wedge-shaped cushion blocks on two sides of the prefabricated superposed shear wall;
and in the step S4, the top surface of the poured concrete is flush with the top surface of the precast concrete superposed foundation.
The invention has the following beneficial effects:
1. compared with the existing solid precast concrete foundation, the precast concrete superposed foundation provided by the invention is provided with the cavity, so that the self weight of the foundation is greatly reduced, the transport, installation and positioning of the precast concrete superposed foundation are facilitated, the requirement on hoisting equipment is low, and the construction is convenient.
2. The precast concrete superposed foundation and the precast superposed shear wall are connected without a steel bar grouting sleeve, the precast concrete superposed foundation and the precast superposed shear wall are connected by adopting on-site lapped steel bars, and then concrete pouring is carried out, so that the precast concrete superposed foundation and the precast superposed shear wall work as a whole. The integral structure is good, the operation is simple, the construction is convenient, and the cost is saved.
3. Need not to prop up in the basic concrete work progress template, scaffold frame etc. and the efficiency of construction is high, the quality is guaranteed, saves the time limit for a project greatly.
4. The positioning groove at the top of the precast concrete superposed foundation is matched with the wedge-shaped block when necessary, so that the accurate positioning of the precast superposed shear wall is effectively ensured.
Drawings
FIG. 1 is a perspective view of a prefabricated composite foundation and prefabricated composite shear wall connection system of the present invention;
FIG. 2 is a cross-sectional view of a prefabricated superimposed foundation and prefabricated superimposed shear wall connection system of the present invention;
FIG. 3 is a perspective view of the base unit;
FIG. 4 is a top view of the base unit;
FIG. 5 is a partial cross-sectional view of the base unit;
fig. 6 is a perspective view of a prefabricated composite shear wall.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Example 1:
the embodiment of the invention provides a connecting system of a prefabricated superposed foundation and a prefabricated superposed shear wall, which comprises a prefabricated concrete superposed foundation 100, a prefabricated superposed shear wall 200 and an overlap reinforcement 300, as shown in fig. 1 to 6, wherein:
the precast concrete superposed foundation 100 comprises an outer wall protecting plate 101 and at least one inner partition plate 102 arranged in the outer wall protecting plate 101, wherein the inner partition plate 102 divides the interior of the outer wall protecting plate 101 into a plurality of cavities 103, and the top of each inner partition plate 102 is provided with two positioning grooves 104.
The prefabricated laminated shear wall 200 includes an inner leaf 201, an outer leaf 202, and truss reinforcement 203 connecting the inner leaf 201 and the outer leaf 202 together.
The inner blade plate 201 and the outer blade plate 202 are clamped in the positioning groove 104, the lower portion of the lapping reinforcing steel bar 300 is located in the cavity 103, the upper portion of the lapping reinforcing steel bar is located in a gap between the inner blade plate 201 and the outer blade plate 202, and concrete is poured in the cavity 103, so that the precast concrete superposed foundation 100 and the precast superposed shear wall 200 are connected into a whole.
When the prefabricated concrete composite foundation is used, the prefabricated concrete composite foundation with the cavity prefabricated in a factory is firstly transported, hoisted and positioned, and the bottom of the prefabricated foundation is ensured to be flat before the foundation is installed. And then, vertical lap-joint reinforcing steel bars are arranged in the precast concrete superposed foundation on site, and the positions of the lap-joint reinforcing steel bars are positioned in a cavity between the inner leaf plate and the outer leaf plate of the precast superposed shear wall and are close to the inner leaf plate and the outer leaf plate. And hoisting the prefabricated superposed shear wall right above the prefabricated concrete superposed foundation, clamping the inner and outer leaf plates of the prefabricated superposed shear wall into the positioning grooves of the prefabricated concrete superposed foundation, arranging wedge-shaped cushion blocks 400 on two sides of the prefabricated superposed shear wall, and fixing the prefabricated superposed shear wall. And finally, pouring concrete into the cavity of the precast concrete superposed foundation on site, so that the poured concrete top surface layer is flush with the top surface of the foundation, and the integrity and the designed elevation of the precast concrete superposed foundation are ensured.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the existing solid precast concrete foundation, the precast concrete superposed foundation provided by the invention is provided with the cavity, so that the self weight of the foundation is greatly reduced, the transport, installation and positioning of the precast concrete superposed foundation are facilitated, the requirement on hoisting equipment is low, and the construction is convenient.
2. The precast concrete superposed foundation and the precast superposed shear wall are connected without a steel bar grouting sleeve, the precast concrete superposed foundation and the precast superposed shear wall are connected by adopting on-site lapped steel bars, and then concrete pouring is carried out, so that the precast concrete superposed foundation and the precast superposed shear wall work as a whole. The integral structure is good, the operation is simple, the construction is convenient, and the cost is saved.
3. Need not to prop up in the basic concrete work progress template, scaffold frame etc. and the efficiency of construction is high, the quality is guaranteed, saves the time limit for a project greatly.
4. The positioning groove at the top of the precast concrete superposed foundation is matched with the wedge-shaped block when necessary, so that the accurate positioning of the precast superposed shear wall is effectively ensured.
As a modification of the embodiment of the present invention, the precast concrete laminated foundation 100 includes a plurality of foundation units 100 ', and each foundation unit 200' includes two peripheral dado plates 101 arranged in parallel in a length direction and at least one inner diaphragm 102 arranged in a width direction.
Two peripheral wall protecting plates 101 of each basic unit 100 ' extend out of the inner partition plates 102 at the two ends in the length direction for a certain length, a plurality of basic units 100 ' are spliced together in the length direction, and a complete cavity 103 is formed at the spliced part after two adjacent basic units 100 ' are spliced.
The precast concrete superposed foundation is manufactured in a modularized mode and spliced on site, a peripheral wall protecting plate at the end part of a foundation main body longitudinally extends out of a part along the foundation, the extending length is not more than 500mm, and a complete cavity is formed after adjacent foundations are spliced.
The width of the splicing seam of two adjacent basic units is about 1-2mm, the splicing seam is sealed by measures such as adhesive tape and the like to form a new cavity, and slurry leakage are avoided when concrete is poured.
The lower portion of the foundation unit 100' is provided with distribution bars 105 in a length direction and force-receiving bars 106 in a width direction.
The horizontal stress steel bars along the width direction are arranged at the bottom of the precast concrete superposed foundation and can also be used as tie bars, so that the inside of the precast concrete superposed foundation is ensured to have a sufficient tie effect, and the mold expansion during the cast-in-place concrete is prevented.
In order to ensure the reliability of the connection between the adjacent foundation units, horizontal lap bars are provided on the bottom of the site, and the distribution bars 105 of the adjacent two foundation units 100' are connected together by the horizontal lap bars.
Longitudinal reinforcing meshes 107 are arranged in the peripheral wall protecting plate 101 and the inner partition plate 102, so that the bearing capacity and rigidity of the prefabricated concrete laminated foundation are ensured.
Longitudinal inner blade plate reinforcing mesh 204 and longitudinal outer blade plate reinforcing mesh 205 are arranged in the inner blade plate 201 and the outer blade plate 202 respectively, and the truss reinforcing steel bars 203 are connected with the inner blade plate reinforcing mesh 204 and the outer blade plate reinforcing mesh 205.
The distance between the stressed steel bars 106 and the bottom surface of the precast concrete superposed foundation is 40-70mm, and the distance is used as the thickness of a concrete protective layer of the steel bars. The thicknesses of the peripheral dado plate 101 and the inner partition plate 102 are not less than 50mm, and the structural strength of the precast concrete superposed foundation is guaranteed. The depth of the positioning groove 104 is not less than 150mm, so that the positioning and the installation of the prefabricated superposed shear wall are facilitated. The length of the two peripheral dado plates 101 of each base unit 100' extending beyond the inner partition 102 at the extreme ends in the length direction is not more than 500mm, and the length of the overlap reinforcement is determined by the anchoring length required by the design.
Example 2:
an embodiment of the present invention provides a connection method of a connection system between a prefabricated laminated foundation and a prefabricated laminated shear wall described in embodiment 1, where as shown in fig. 1-2, the connection method includes:
s1: and hoisting and positioning the precast concrete superposed foundation 100 to the flat ground.
The precast concrete superimposed base is transported, hoisted and positioned after being precast in a factory, and the bottom of the precast concrete superimposed base is ensured to be smooth before the precast concrete superimposed base is installed. Because the precast concrete superimposed foundation is provided with the cavity, the dead weight can be greatly reduced, the transportation, the installation and the positioning of the precast concrete superimposed foundation are facilitated, the requirement on hoisting equipment is low, and the construction is convenient.
S2: the overlap reinforcement 300 is provided in the precast concrete laminated foundation 100 and fixed.
The lower part of the overlap steel bar 300 is positioned in the cavity 103 and can be contacted or connected with the distribution steel bar and/or the stressed steel bar, the upper part of the overlap steel bar 300 extends upwards out of the precast concrete superimposed foundation, and the position of the overlap steel bar is close to the inner and outer leaf plates.
S3: the prefabricated superposed shear wall 200 is hoisted to be right above the prefabricated concrete superposed foundation 300, so that the inner blade plate 201 and the outer blade plate 202 are clamped in the positioning groove 104, and the upper part of the lapped reinforcing steel bar 300 is positioned between the inner blade plate 201 and the outer blade plate 202.
S4: concrete is poured into the cavity 103, and after the concrete is cured to reach the designed strength, the precast concrete superposed foundation 100 and the precast superposed shear wall 200 are reliably and effectively connected into a whole to form a whole to work together, so that the construction quality is guaranteed.
When the precast concrete laminated foundation 100 includes a plurality of foundation units 100', the aforementioned S1 includes:
the plurality of foundation units 100 'are hoisted and positioned on the flat ground, so that the plurality of foundation units 100' are spliced together in the length direction to form the precast concrete laminated foundation 100.
The distributed reinforcing bars 105 of the adjacent foundation units 100 'are connected together by horizontal overlapping reinforcing bars, the adjacent foundation units 100' have a patchwork 108 therebetween, and the patchwork 108 is sealed by a sealing structure such as an adhesive tape, so that slurry leakage and leakage during on-site concrete pouring are prevented.
S3 further includes: wedge-shaped spacers 400 are provided on both sides of the prefabricated superposed shear wall 200.
According to the invention, after the inner and outer leaf plates of the prefabricated superposed shear wall are clamped into the positioning grooves at the top of the superposed foundation, the wedge-shaped cushion blocks are arranged on the two sides of the shear wall, so that the position of the superposed shear wall is fixed in the later pouring process, and the prefabricated superposed shear wall is prevented from deviating. The positioning groove and the wedge-shaped cushion block at the top of the precast concrete superposed foundation are used, so that the accurate positioning of the precast superposed shear wall is effectively ensured.
And S4, the top surface of the poured concrete is flush with the top surface of the precast concrete superposed foundation 100.
When the concrete is poured, the poured concrete top surface layer is flush with the top surface of the precast concrete superposed foundation, and the integrity of the precast concrete superposed foundation is ensured.
The connection method of the embodiment of the present invention includes all technical solutions of the prefabricated laminated foundation and the prefabricated laminated shear wall described in embodiment 1, which have the beneficial effects described in embodiment 1 and are not described herein again. Other parts of this embodiment not mentioned above can be referred to the corresponding parts in the foregoing embodiment 1.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a connected system of prefabricated coincide basis and prefabricated coincide shear wall which characterized in that, includes precast concrete coincide basis, prefabricated coincide shear wall and overlap joint reinforcing bar, wherein:
the precast concrete superposed foundation comprises a peripheral wall protecting plate and at least one inner baffle plate arranged in the peripheral wall protecting plate, wherein the inner baffle plate divides the interior of the peripheral wall protecting plate into a plurality of cavities, and the top of each inner baffle plate is provided with two positioning grooves;
the prefabricated superposed shear wall comprises an inner blade plate, an outer blade plate and truss steel bars for connecting the inner blade plate and the outer blade plate together;
the inner leaf plate and the outer leaf plate are clamped in the positioning groove, the lower portion of the lap joint reinforcing steel bar is located in the cavity, the upper portion of the lap joint reinforcing steel bar is located between the inner leaf plate and the outer leaf plate, and concrete is poured in the cavity, so that the precast concrete superposed foundation and the precast superposed shear wall are connected into a whole.
2. The precast laminated foundation and precast laminated shear wall connection system of claim 1, wherein the precast concrete laminated foundation comprises a plurality of foundation units, each of which comprises two peripheral dado plates arranged in parallel in a length direction and at least one inner bulkhead arranged in a width direction;
two peripheral dado boards of every basic unit stretch out the interior baffle of both ends certain length in length direction, and a plurality of basic units splice together in length direction, form a complete cavity in the concatenation department after two adjacent basic units splice.
3. The system for connecting a prefabricated laminated foundation and a prefabricated laminated shear wall according to claim 2, wherein the lower portion of the foundation unit is provided with distribution reinforcing bars along the length direction and stress reinforcing bars along the width direction.
4. A prefabricated superimposed foundation and prefabricated superimposed shear wall connection system according to claim 3, wherein the distributed reinforcing bars of two adjacent foundation units are connected together by horizontal overlapping reinforcing bars.
5. The system for joining a prefabricated laminated foundation to a prefabricated laminated shear wall as claimed in claim 4, wherein longitudinal reinforcing mesh is provided in said peripheral sheathing panel and said internal spacer.
6. The system for connecting a prefabricated laminated foundation to a prefabricated laminated shear wall as claimed in claim 5, wherein longitudinal inner and outer leaf plate reinforcing meshes are respectively disposed in the inner and outer leaf plates, and the truss reinforcing bars are connected with the inner and outer leaf plate reinforcing meshes.
7. The system for connecting a prefabricated laminated foundation and a prefabricated laminated shear wall according to claim 6, wherein the distance between the stressed steel bars and the bottom surface of the prefabricated concrete laminated foundation is 40-70mm, the thicknesses of the peripheral wall protecting plates and the inner partition plates are not less than 50mm, the depth of the positioning groove is not less than 150mm, and the length of the inner partition plate extending out of the two peripheral wall protecting plates at the two ends in the length direction of each foundation unit is not more than 500 mm.
8. A method of connecting a prefabricated laminated foundation to a prefabricated laminated shear wall connection system according to any one of claims 1 to 7, said method comprising:
s1: hoisting and positioning the precast concrete superposed foundation to a flat ground;
s2: setting lap steel bars in the precast concrete superposed foundation;
s3: hoisting the prefabricated superposed shear wall to be right above the prefabricated concrete superposed foundation so that the inner leaf plate and the outer leaf plate are clamped in the positioning groove, and the upper part of the lapped reinforcing steel bar is positioned between the inner leaf plate and the outer leaf plate;
s4: pouring concrete into the cavity, so that the precast concrete superposed foundation and the precast superposed shear wall are connected into a whole.
9. The connecting method according to claim 8, wherein the S1 includes:
hoisting and positioning a plurality of foundation units on a flat ground, splicing the foundation units together in the length direction, connecting the distributed reinforcing steel bars of adjacent foundation units together through horizontal lapping reinforcing steel bars, and sealing the splicing joints between the adjacent foundation units through a sealing structure;
the S3 further includes: arranging wedge-shaped cushion blocks on two sides of the prefabricated superposed shear wall;
and in the step S4, the top surface of the poured concrete is flush with the top surface of the precast concrete superposed foundation.
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| CN202011081827.1A CN112227404B (en) | 2020-10-12 | 2020-10-12 | Connecting system and connecting method for prefabricated superposed foundation and prefabricated superposed shear wall |
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| CN202011081827.1A CN112227404B (en) | 2020-10-12 | 2020-10-12 | Connecting system and connecting method for prefabricated superposed foundation and prefabricated superposed shear wall |
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| CN115142543A (en) * | 2022-06-20 | 2022-10-04 | 广东隆建工程有限公司 | Civil engineering bearing structure applied to house construction |
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| KR20170102729A (en) * | 2016-03-02 | 2017-09-12 | 주식회사 대산시빌테크날러지 | Multi precast wall structure and its construction method |
| CN106499089A (en) * | 2016-11-03 | 2017-03-15 | 北京工业大学 | The reinforced high-strength concrete compound shear wall in bottom and preparation method |
| CN106836559A (en) * | 2017-02-16 | 2017-06-13 | 中冶天工集团有限公司 | Reinforced concrete wall structure capable of preventing cracking and construction method thereof |
| CN209293230U (en) * | 2018-09-18 | 2019-08-23 | 三一筑工科技有限公司 | Wall and foundation connection structure and assembled arthitecutral structure system |
| CN210086565U (en) * | 2019-05-14 | 2020-02-18 | 山东君鹏节能科技有限公司 | Wall body of assembled wallboard component combination |
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| CN115142543A (en) * | 2022-06-20 | 2022-10-04 | 广东隆建工程有限公司 | Civil engineering bearing structure applied to house construction |
| CN115142543B (en) * | 2022-06-20 | 2023-12-12 | 广东隆建工程有限公司 | Civil engineering load-bearing structure applied to house construction |
| CN115142553A (en) * | 2022-07-18 | 2022-10-04 | 山东大学 | Multi-layer assembled concrete plate type structure house and installation method thereof |
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