CN113530018A - Semi-assembly type RPC-PC beam shear wall and preparation method thereof - Google Patents

Semi-assembly type RPC-PC beam shear wall and preparation method thereof Download PDF

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Publication number
CN113530018A
CN113530018A CN202110878645.5A CN202110878645A CN113530018A CN 113530018 A CN113530018 A CN 113530018A CN 202110878645 A CN202110878645 A CN 202110878645A CN 113530018 A CN113530018 A CN 113530018A
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CN
China
Prior art keywords
rpc
shear wall
end beam
semi
shear
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Pending
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CN202110878645.5A
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Chinese (zh)
Inventor
张仁巍
曾武华
田尔布
郑仁亮
王军芳
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Sanming University
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Sanming University
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Priority to CN202110878645.5A priority Critical patent/CN113530018A/en
Publication of CN113530018A publication Critical patent/CN113530018A/en
Pending legal-status Critical Current

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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
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02—Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground

Abstract

The invention relates to a semi-assembly type RPC-PC beam shear wall combined structure which comprises a lower end beam, a shear column and an upper end beam. Two ends of the shear column are respectively and fixedly connected with the lower end beam and the upper end beam; the shear column comprises an active powder concrete outer die and plain concrete filled in the inner space of the active powder concrete outer die. On one hand, the RPC-PC beam shear wall utilizes the material advantages of the RPC, so that the stress performance and the anti-seismic performance of the shear wall can be improved, meanwhile, the fire resistance, the impact resistance, the corrosion resistance and the like of the shear wall can be improved, on the other hand, the RPC is prefabricated into an outer template of the shear wall to form an RPC-PC beam shear wall outer template, a large number of wood templates and steel templates can be saved due to the combined form, the influence on the surrounding environment is small, the work efficiency is improved, particularly, the later maintenance cost can be reduced, and the RPC-PC beam shear wall has a wide engineering application prospect.

Description

Semi-assembly type RPC-PC beam shear wall and preparation method thereof
Technical Field
The invention relates to the technical field of concrete shear walls, in particular to a semi-fabricated RPC-PC beam shear wall composite structure and a preparation method thereof.
Background
The rapid development of the assembly type building has great influence on the building industry, and the assembly type technology can efficiently utilize resources and energy, and has the advantages of rapid construction, improvement of construction efficiency, controllable quality, environmental protection and the like. However, most of the current domestic concrete shear walls are mainly cast-in-place, a large number of wood templates, steel templates and the like are needed during construction, the production mode is rough, a large amount of resources are wasted, and the method is contrary to the green ecological and sustainable development concept advocated by the state.
Disclosure of Invention
In order to solve the above-mentioned background technical problem, the present invention provides a semi-fabricated Reactive Powder Concrete (RPC) -Plain Concrete (PC) beam shear wall composite structure, and the structure and the preparation method thereof are described as follows.
A semi-fabricated RPC-PC beam shear wall comprises a lower end beam, shear columns and an upper end beam. Two ends of the shear column are respectively and fixedly connected with the lower end beam and the upper end beam; the shear column comprises an active powder concrete outer die and plain concrete filled in the inner space of the active powder concrete outer die.
On one hand, the RPC-PC beam shear wall utilizes the material advantages of the RPC, so that the stress performance and the anti-seismic performance of the shear wall can be improved, meanwhile, the fire resistance, the impact resistance, the corrosion resistance and the like of the shear wall can be improved, on the other hand, the RPC is prefabricated into an outer template of the shear wall to form an RPC-PC beam shear wall outer template, a large number of wood templates and steel templates can be saved due to the combined form, the influence on the surrounding environment is small, the work efficiency is improved, particularly, the later maintenance cost can be reduced, and the RPC-PC beam shear wall has a wide engineering application prospect.
As a further improvement of the semi-assembled RPC-PC beam shear wall, the reactive powder concrete outer mold comprises an outer frame and a plurality of partition plates, each partition plate is arranged in the inner space of the outer frame and divides the inner space of the outer frame into a plurality of cavities, and each cavity is filled with the plain concrete.
As a further improvement of the semi-assembly RPC-PC beam shear wall, holes are formed in each partition plate.
As a further improvement of the semi-fabricated RPC-PC beam shear wall of the present invention, the shear column is perpendicular to the lower end beam and the upper end beam; the axial direction of the shear column is taken as the longitudinal direction, the axial directions of the lower end beam and the upper end beam are taken as the transverse directions, and the shear column further comprises a plurality of longitudinal steel bars and a plurality of stirrups; the outer frame of the active powder concrete outer mold and the clapboard body are both embedded with the longitudinal steel bars; each stirrup is transversely arranged, and a plurality of stirrups tighten a plurality of longitudinal steel bars in the cavity wall of each cavity from the upper end to the lower end.
As a further improvement of the semi-assembly RPC-PC beam shear wall, two ends of each longitudinal steel bar respectively extend into the lower end beam and the upper end beam.
As a further improvement of the semi-assembled RPC-PC beam shear wall, a plurality of grouting corrugated pipes are arranged in the lower end beam, the lower end of a longitudinal steel bar is inserted into each grouting corrugated pipe, and the grouting corrugated pipes are fixedly connected through concrete filled in the grouting corrugated pipes.
As a further improvement of the semi-fabricated RPC-PC beam shear wall, the upper ends of the longitudinal steel bars are bound and connected with the steel bars in the upper end beam, and the longitudinal steel bars and the steel bars in the upper end beam are fixed with each other through plain concrete poured into the upper end beam.
A preparation method of a semi-fabricated RPC-PC beam shear wall is applied to the semi-fabricated RPC-PC beam shear wall and comprises the following steps:
firstly, prefabricating the lower end beam, and pre-burying a grouting corrugated pipe in the lower end beam in advance;
secondly, processing the active powder concrete outer mold, wherein the two ends of the longitudinal steel bar extend out of the active powder concrete outer mold during construction, and a partition plate inside the active powder concrete outer mold is provided with a hole; finally, plain concrete is poured into the internal space of the active powder concrete external mold, and maintenance is carried out;
after the curing time is finished, pouring concrete mortar into the pre-embedded grouting corrugated pipe, inserting the lower end of the longitudinal steel bar into the grouting corrugated pipe, and finishing the assembly of the lower end beam and the active powder concrete outer mold after curing;
and fourthly, binding the upper ends of the longitudinal steel bars with the steel bars in the upper end beam, pouring plain concrete into the upper end beam after the binding, and finishing the preparation of the RPC-PC beam shear wall after the maintenance.
The method adopts a semi-assembly type construction technology, can save a large amount of wood templates and steel templates, has little influence on the surrounding environment, improves the work efficiency, and particularly can reduce the maintenance cost in the later period. The RPC-PC beam shear wall can meet the building requirements quickly, concisely and efficiently, also conforms to the low-carbon, green and environment-friendly concept advocated vigorously by China, and has wide engineering application prospect.
As a further improvement of the preparation method of the semi-assembly RPC-PC beam shear wall, the first step is to manufacture the lower end beam in a prefabricated field, and the grouting corrugated pipe is positioned in advance for splicing with the upper shear column when steel bars are bound.
As a further improvement of the preparation method of the semi-fabricated RPC-PC beam shear wall of the present invention, in the second step, the processing of the reactive powder concrete outer mold comprises: in a prefabrication field, binding a plurality of longitudinal steel bars and a plurality of stirrups into a steel reinforcement cage, putting the steel reinforcement cage into an outer template, extending two ends of each longitudinal steel bar out of the outer template, reserving a hole at each interval of 300mm of a middle partition plate, pouring active powder concrete, and curing to obtain the active powder concrete outer mold.
The technical advantages of the scheme of the invention are as follows:
(1) the reinforced RPC is prefabricated into an outer template of the shear wall to form an RPC-PC beam shear wall outer template, a large amount of template engineering can be saved in the combined form, meanwhile, the RPC beam can play a role of steel, and the bearing performance, the anti-seismic performance and the like of the combined shear wall are improved.
(2) The durability, corrosion resistance, fire resistance, erosion resistance and the like of the combined shear wall can be improved by using Reactive Powder Concrete (RPC).
(3) The RPC-PC combined shear wall structure is connected by grouting corrugated pipes, construction is rapid, construction period is saved, influence on surrounding environment is small, quality is controllable, and safety performance is high.
(4) Holes are reserved in the RPC bundle partition plate, so that the combination of Reactive Powder Concrete (RPC) and Plain Concrete (PC) is facilitated, and the separation of the RPC bundle partition plate and the Plain Concrete (PC) is avoided.
(5) The RPC-PC beam shear wall only adopts a small amount of RPC on the outside, the general thickness is controlled to be 25-50 mm, the maximum thickness in practical engineering is not more than 100mm, and the cost is low. Based on the life cycle cost of the shear wall, the RPC-PC combined shear wall has the advantages of economy, reasonability and effective reduction of the later maintenance cost of the shear wall.
Drawings
FIG. 1 is a main perspective cross-sectional view of a semi-fabricated RPC-PC beam shear wall.
FIG. 2 is a top view of section A-A of the semi-fabricated RPC-PC beam shear wall of FIG. 1.
FIG. 3 is a schematic view of the holes reserved in the partition in the semi-fabricated RPC-PC beam shear wall of FIG. 1.
Reference numerals: the concrete structure comprises longitudinal steel bars 1, stirrups 2, an active powder concrete outer mold 3, plain concrete 4, lower extension section steel bars 5, ultrahigh-performance concrete mortar 6, grouting corrugated pipes 7, upper end beams 8, lower end beams 9, partition plates 10, holes 11 and upper extension section steel bars 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in FIGS. 1-2, the semi-fabricated RPC-PC beam shear wall comprises a lower end beam 9, a shear column and an upper end beam 8. And two ends of the shear column are respectively and fixedly connected with the lower end beam 9 and the upper end beam 8. The shear column comprises an active powder concrete outer die 3 and plain concrete 4 filled in the inner space of the active powder concrete outer die 3.
On one hand, the RPC-PC beam shear wall utilizes the material advantages of the RPC, so that the stress performance and the anti-seismic performance of the shear wall can be improved, meanwhile, the fire resistance, the impact resistance, the corrosion resistance and the like of the shear wall can be improved, on the other hand, the RPC is prefabricated into an outer template of the shear wall to form an RPC-PC beam shear wall outer template, a large number of wood templates and steel templates can be saved due to the combined form, the influence on the surrounding environment is small, and the work efficiency is improved. The RPC-PC beam shear wall only adopts a small amount of RPC on the outside, the general thickness is controlled to be 25-50 mm, the maximum thickness in practical engineering is not more than 100mm, and the cost is low. Based on the life cycle cost of the shear wall, the RPC-PC combined shear wall has the advantages of economy, reasonability, effective reduction of the later maintenance cost of the shear wall, and wide engineering application prospect.
As shown in fig. 2, the reactive powder concrete outer mold 3 includes an outer frame and a plurality of partition plates 10 (two partition plates 10 are shown in fig. 2, and may be increased or decreased as the case may be in practical engineering), each of the partition plates 10 is disposed in an inner space of the outer frame, and divides the inner space of the outer frame into a plurality of cavities (3 cavities in fig. 2), and each of the cavities is filled with the plain concrete 4. In fig. 2, all the partition boards 10 are parallel to each other and have the same thickness, and the outer frame and the partition boards 10 are integrally formed and are made of RPC material; the outer frame may be a square column as shown in fig. 2, and in other embodiments, the outer frame may also be an arc column, etc.
As shown in fig. 3, a schematic view of a part of an area cut from an end surface of each partition board 10 is shown, each partition board 10 is provided with a hole 11, one hole 11 may be reserved at a distance of 200-400 mm, and the distance between the holes 11 may be determined according to circumstances. The holes 11 are communicated with the two adjacent cavities, and after the holes 11 penetrate into the plain concrete 4, the connection between the plain concrete 4 and the active powder concrete outer mold 3(RPC outer mold) can be enhanced, so that the phenomenon that the RPC outer mold is stripped from the inner concrete is avoided.
As shown in fig. 1, the shear column is perpendicular to the lower end beam 9 and the upper end beam 8. The axial direction of the shear column is longitudinal, the axial directions of the lower end beam 9 and the upper end beam 8 are transverse, and the shear column further comprises a plurality of longitudinal steel bars 1 and a plurality of stirrups 2. As shown in fig. 1-2, the longitudinal steel bars 1 are embedded in the outer frame of the active powder concrete outer mold 3 and the body of the partition plate 10. Each stirrup 2 is transversely arranged, and a plurality of longitudinal steel bars 1 in the cavity wall of each cavity are hooped by the stirrups 2 from the upper end to the lower end.
The reinforced RPC is prefabricated into an outer template of the shear wall to form an RPC-PC beam shear wall outer template, a large amount of template engineering can be saved in the combined form, meanwhile, the RPC beam can play a role of steel, and the bearing performance, the anti-seismic performance and the like of the combined shear wall are improved.
As shown in fig. 1, two ends of each longitudinal steel bar 1 respectively extend into the lower end beam 9 and the upper end beam 8 to form an upper extension steel bar 12 and a lower extension steel bar 5.
As shown in fig. 1, a plurality of grouting corrugated pipes 7 are arranged in the lower end beam 9, a lower end of a longitudinal steel bar 1, i.e., a lower extension steel bar 5, is inserted into each grouting corrugated pipe 7, and is fixedly connected by concrete filled in the grouting corrugated pipes 7, and the concrete filled in the grouting corrugated pipes 7 may be ultra-high performance concrete mortar 6.
The upper ends of the longitudinal steel bars 1, i.e. the upper extension section steel bars 12, are bound and connected with the steel bars in the upper end beam 8 and are mutually fixed through plain concrete 4 poured into the upper end beam 8.
The preparation method of the semi-assembly RPC-PC beam shear wall comprises the following steps:
firstly, prefabricating the lower end beam 9, and pre-burying a grouting corrugated pipe 7 in the lower end beam 9 in advance;
secondly, processing the active powder concrete outer mold 3, wherein the active powder concrete outer mold 3 extends out of two ends of the longitudinal steel bar 1 during construction, and a partition plate 10 inside the active powder concrete outer mold 3 is provided with a hole 11; finally, plain concrete 4 is poured into the internal space of the active powder concrete outer mold 3, and maintenance is carried out;
thirdly, after the curing time is finished, pouring concrete mortar into the pre-buried grouting corrugated pipe 7, inserting the lower end of the longitudinal steel bar 1 into the grouting corrugated pipe 7, and finishing the assembly of the lower end beam 9 and the active powder concrete outer mold 3 after curing;
and fourthly, binding the upper ends of the longitudinal steel bars 1 with the steel bars in the upper end beam 8, pouring plain concrete 4 into the upper end beam 8 after finishing the binding, and finishing the preparation of the RPC-PC beam shear wall after the maintenance.
The method adopts a semi-assembly type construction technology, can save a large amount of wood templates and steel templates, has little influence on the surrounding environment, improves the work efficiency, and particularly can reduce the maintenance cost in the later period. The RPC-PC beam shear wall can meet the building requirements quickly, concisely and efficiently, also conforms to the low-carbon, green and environment-friendly concept advocated vigorously by China, and has wide engineering application prospect.
The first step is to manufacture the lower end beam 9 in a precast yard, and the grouting corrugated pipe 7 is well positioned in advance during steel bar binding for being assembled with the upper shear column. The strength grade of the concrete poured in the lower end beam 9 can be the same as that of the plain concrete 4, or the plain concrete 4 can be directly adopted. The RPC-PC combined shear wall structure is connected by the grouting corrugated pipes 7, construction is rapid, construction period is saved, influence on surrounding environment is small, quality is controllable, and safety performance is high.
In the second step, the processing of the reactive powder concrete outer die 3 comprises: in a prefabrication field, binding a plurality of longitudinal steel bars 1 and a plurality of stirrups 2 into a steel reinforcement cage, putting the steel reinforcement cage into an outer template, extending two ends of each longitudinal steel bar 1 out of the outer template, reserving a hole 11 for each middle partition plate at intervals of 300mm, finally pouring active powder concrete, and obtaining the active powder concrete outer mold 3 after maintenance. In a preferred embodiment, the reactive powder concrete outer mold 3 should be roughened on the inner surface and the upper and lower end surfaces of the RPC outer mold (reactive powder concrete outer mold 3) before the inner concrete (plain concrete 4) is poured, so as to increase the surface roughness and improve the adhesion between the inner concrete and the RPC outer mold.
In a preferred embodiment, before the lower end beam and the upper shear column (RPC bundle) are assembled in the third step, the upper surface of the lower end beam 9 is roughened appropriately, then the ultra-high performance concrete mortar 6 is poured into the grouting corrugated pipe 7, and then the reinforcing steel bars extending from the lower end of the shear column are inserted, during construction, care is taken to prevent the RPC outer mold from falling down, and a support can be used for supporting.
The RPC-PC beam shear wall of the embodiment can meet the building requirements quickly, concisely and efficiently, also meets the low-carbon, green and environment-friendly idea vigorously advocated by the nation, and has a wide engineering application prospect.
The above detailed description of embodiments of the invention presented in the drawings is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Claims (10)

1. The utility model provides a shear force wall is restrainted to RPC-PC of half assembled which characterized in that: comprises a lower end beam (9), a shear column and an upper end beam (8); the two ends of the shear column are respectively and fixedly connected with the lower end beam (9) and the upper end beam (8); the shear column comprises an active powder concrete outer die (3) and plain concrete (4) filled in the inner space of the active powder concrete outer die (3).
2. The semi-fabricated RPC-PC beam shear wall of claim 1, wherein: the active powder concrete outer mold (3) comprises an outer frame and a plurality of partition plates (10), wherein each partition plate (10) is arranged in the inner space of the outer frame, the inner space of the outer frame is divided into a plurality of cavities, and each cavity is filled with the plain concrete (4).
3. The semi-fabricated RPC-PC beam shear wall of claim 2, wherein: each clapboard (10) is provided with a hole (11).
4. The semi-fabricated RPC-PC beam shear wall of claim 2, wherein: the shear column is perpendicular to the lower end beam (9) and the upper end beam (8); the axial direction of the shear column is taken as the longitudinal direction, the axial directions of the lower end beam (9) and the upper end beam (8) are taken as the transverse directions, and the shear column further comprises a plurality of longitudinal steel bars (1) and a plurality of stirrups (2); the longitudinal steel bars (1) are embedded in the outer frame of the active powder concrete outer mold (3) and the body of the clapboard (10); each stirrup (2) is transversely arranged, and the stirrups (2) clamp a plurality of longitudinal steel bars (1) in the cavity wall of each cavity from the upper end to the lower end.
5. The semi-fabricated RPC-PC beam shear wall of claim 4, wherein: and two ends of each longitudinal steel bar (1) respectively extend into the lower end beam (9) and the upper end beam (8).
6. The semi-fabricated RPC-PC beam shear wall of claim 5, wherein: the lower end beam (9) is internally provided with a plurality of grouting corrugated pipes (7), the lower end of a longitudinal steel bar (1) is inserted into each grouting corrugated pipe (7), and the grouting corrugated pipes are fixedly connected through concrete filled in the grouting corrugated pipes (7).
7. The semi-fabricated RPC-PC beam shear wall of claim 6, wherein: the upper ends of the longitudinal steel bars (1) are bound and connected with the steel bars in the upper end beam (8), and the longitudinal steel bars and the steel bars are fixed with each other through plain concrete (4) poured into the upper end beam (8).
8. A preparation method of a semi-fabricated RPC-PC beam shear wall is applied to the preparation of the semi-fabricated RPC-PC beam shear wall in claim 7, and is characterized by comprising the following steps:
firstly, prefabricating the lower end beam (9), and pre-burying a grouting corrugated pipe (7) in the lower end beam (9) in advance;
secondly, processing the active powder concrete outer mold (3), wherein the active powder concrete outer mold (3) extends out of two ends of the longitudinal steel bar (1) during construction, and a partition plate (10) inside the active powder concrete outer mold (3) is provided with a hole (11); finally, plain concrete (4) is poured into the internal space of the active powder concrete outer mold (3) and maintained;
thirdly, after the curing time is finished, pouring concrete mortar into the pre-buried grouting corrugated pipe (7), inserting the lower end of the longitudinal steel bar (1) into the grouting corrugated pipe (7), and curing to complete the assembly of the lower end beam (9) and the active powder concrete outer mold (3);
and fourthly, binding the upper ends of the longitudinal steel bars (1) with the steel bars in the upper end beam (8), pouring plain concrete (4) into the upper end beam (8) after finishing the binding, and finishing the preparation of the RPC-PC beam shear wall after maintaining.
9. The method for preparing a semi-fabricated RPC-PC beam shear wall as claimed in claim 8, wherein the first step is to fabricate the lower end beam (9) in a precast yard, including positioning the grouting corrugated pipe (7) in advance when binding steel bars for splicing with the upper shear column.
10. The method for preparing a semi-fabricated RPC-PC beam shear wall according to claim 8, wherein in step two, the processing the reactive powder concrete outer mold (3) comprises: in a precast yard, binding a plurality of longitudinal steel bars (1) and a plurality of stirrups (2) into a steel reinforcement cage, putting the steel reinforcement cage into an outer template, extending two ends of each longitudinal steel bar (1) out of the outer template, reserving a hole (11) for each middle partition plate at intervals of 300mm, finally pouring active powder concrete, and obtaining the active powder concrete outer mold (3) after maintenance.
CN202110878645.5A 2021-08-02 2021-08-02 Semi-assembly type RPC-PC beam shear wall and preparation method thereof Pending CN113530018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110878645.5A CN113530018A (en) 2021-08-02 2021-08-02 Semi-assembly type RPC-PC beam shear wall and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110878645.5A CN113530018A (en) 2021-08-02 2021-08-02 Semi-assembly type RPC-PC beam shear wall and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113530018A true CN113530018A (en) 2021-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110878645.5A Pending CN113530018A (en) 2021-08-02 2021-08-02 Semi-assembly type RPC-PC beam shear wall and preparation method thereof

Country Status (1)

Country Link
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