CN111691574A - Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof - Google Patents
Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof Download PDFInfo
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- CN111691574A CN111691574A CN202010587493.9A CN202010587493A CN111691574A CN 111691574 A CN111691574 A CN 111691574A CN 202010587493 A CN202010587493 A CN 202010587493A CN 111691574 A CN111691574 A CN 111691574A
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- groove
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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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6141—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by an additional locking key
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Abstract
The invention discloses a prefabricated assembly type shear wall vertical joint connecting structure, and aims to solve the problems that the assembly process of a shear wall is complex, the construction difficulty is high, the construction period is long, and the quality is difficult to guarantee. The key points of the technical scheme are as follows: be provided with coupling assembling between left side shear force wall and the right side shear force wall, coupling assembling includes left side pre-buried connecting block and right side pre-buried connecting block, the one end of left side pre-buried connecting block is provided with the lug, be provided with bolt hole one on the lug, the one end of right side pre-buried connecting block is provided with the recess, be provided with bolt hole two on the pre-buried connecting block of right side, both ends face all covers the apron around coupling assembling, be provided with bolt hole three on the apron, the both sides of apron all are provided with the cutting, all be provided with. The invention also provides a construction method of the prefabricated shear wall vertical joint connecting structure, and the connecting structure has the advantages of high bearing capacity, high rigidity, good earthquake-resistant ductility, excellent integrity, convenience in construction and good construction quality.
Description
Technical Field
The invention relates to the technical field of prefabricated concrete structures in civil engineering, in particular to a prefabricated shear wall vertical joint connecting structure and a construction method thereof.
Background
The traditional cast-in-place construction mode has low industrialization degree, poor construction conditions, time and labor consumption, common quality problems which are difficult to eliminate, and safety accidents which sometimes happen are not favorable for energy conservation and environmental protection. The prefabricated structure can save energy, water and materials, greatly reduce construction waste, reduce noise pollution, reduce labor force consumption and strength, effectively improve construction environment and improve engineering quality. The application of the prefabricated concrete structure can realize the aims of energy conservation and emission reduction, improve the living quality and the ecological civilization level of people, promote the transformation of urban and rural construction modes and the development modes of the building industry and generate obvious benefits for the development of economy and society.
In the prefabricated concrete structure, the joint connection technology is the key technology of the structure and is the key for ensuring the structural integrity and the seismic performance. Perps are connected mainly through prefabricated shear force wall and are reserved the reinforcing bar in traditional prefabricated assembly type shear wall structure, are connected with vertical atress reinforcing bar in the perps position, then founds the template and post-cast concrete forms, and this kind of perps connection technique has following problem: the steel bar is difficult to connect, concrete needs to be poured again by erecting the formwork, the process is complex, the construction difficulty is high, the construction period is long, and the quality is difficult to guarantee, so that the connection integrity and the stress performance are influenced.
Chinese patent No. CN105484388B discloses a prefabricated assembly type shear wall vertical joint connection structure, which includes a left side shear wall, left side pre-embedded section steel, a right side shear wall, right side pre-embedded section steel and a plurality of split bolts; the left side embedded section steel and the right side embedded section steel are arranged between the left side shear wall and the right side shear wall, and the left side embedded section steel and the right side embedded section steel are identical in structure; the left side embedded section steel comprises: a side plate, a front side plate and a rear side plate; the front side plate and the rear side plate are arranged at the front and rear positions of the side plates; the front side plate and the rear side plate are both inwards provided with a groove, the groove is provided with a plurality of bolt holes, and the split bolts are arranged on the bolt holes to lock and fix the left side embedded steel and the right side embedded steel. The connecting structure has the advantages of high bearing capacity, high rigidity, good earthquake-resistant ductility, excellent integrity, convenience in construction, good construction quality and effective restriction on concrete.
The invention provides a new technical scheme for solving the problems of complex assembly process, high construction difficulty, long construction period and difficult quality guarantee of a shear wall.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a prefabricated assembly type shear wall vertical joint connecting structure, which solves the problems of complex assembly process, high construction difficulty, long construction period and difficult quality guarantee of a shear wall.
The invention also aims to provide a construction method of the vertical joint connecting structure of the prefabricated shear wall, which solves the problems of complex assembly process, high construction difficulty, long construction period and difficult quality guarantee of the shear wall.
One of the purposes of the invention is realized by adopting the following technical scheme:
a prefabricated assembly type shear wall vertical joint connecting structure comprises a left shear wall and a right shear wall, wherein a connecting assembly is arranged between the left shear wall and the right shear wall and comprises a left pre-buried connecting block and a right pre-buried connecting block, one end of the left pre-buried connecting block is fixedly connected with the left shear wall, the other end of the left pre-buried connecting block is provided with a lug, a plurality of bolt holes I distributed in an array mode are arranged on the lug, one end of the right pre-buried connecting block is fixedly connected with the right shear wall, the other end of the right pre-buried connecting block is provided with a groove used for inserting the lug, a plurality of bolt holes II penetrating through the groove are arranged on the right pre-buried connecting block, the bolt holes I correspond to the bolt holes II in position, cover plates cover the front end face and the rear end face of the connecting assembly, and a, the first bolt holes, the second bolt holes and the third bolt holes are in butt joint to form a plurality of threaded channels, split bolts penetrate through the threaded channels, inserting strips are arranged on two sides of the cover plate, and inserting grooves for inserting the inserting strips are formed in the left shear wall and the right shear wall.
Preferably, a gap is reserved between the inserting strip and the inserting groove, and cast-in-place concrete is filled in the gap.
Preferably, both ends face all is provided with a plurality of dovetail grooves one that are the array and distribute around the pre-buried connecting block in left side, both ends face all is provided with a plurality of dovetail grooves two that are the array and distribute around the pre-buried connecting block in right side, the size of dovetail groove one and dovetail groove two is unanimous, and the shape is the same, and the symmetry of each other, dovetail groove one and two concatenations of dovetail groove form the butterfly groove, it detains to insert in the butterfly groove.
Preferably, the butterfly grooves and the thread passages are arranged at intervals in sequence.
Preferably, the outer surface of the cover plate is flush with the left and right shear walls.
Preferably, the cast-in-place concrete is ordinary concrete, high-strength concrete, high-performance concrete, recycled aggregate concrete or lightweight aggregate concrete.
Preferably, the left side embedded connecting block and the right side embedded connecting block are formed by cold bending, welding or rolling steel plates.
The second purpose of the invention is realized by adopting the following technical scheme:
a construction method of a prefabricated assembly type shear wall vertical joint connecting structure is carried out according to the following steps:
and step 6, fixing the cover plate, the left side embedded connecting block and the right side embedded connecting block by adopting split bolts, and filling cast-in-place concrete in the gap.
By adopting the technical scheme, the invention has the beneficial effects that: the left side pre-buried connecting block and the right side pre-buried connecting block are continuous in the vertical direction, and the integrity and the stress performance are superior. The lug and the groove are beneficial to positioning and connection between the left embedded connecting block and the right embedded connecting block. The butterfly groove and the butterfly buckle are arranged, so that the connection stability between the left embedded connecting block and the right embedded connecting block is enhanced. The arrangement of the inserting strips and the inserting grooves is beneficial to positioning and connection between the cover plate and the left side shear wall and between the cover plate and the right side shear wall. The apron is through split bolt and the pre-buried connecting block in left side, the pre-buried connecting block fixed connection in right side, has further strengthened the stability of being connected between the pre-buried connecting block in left side and the pre-buried connecting block in right side to strengthened the interlock of horizontal direction between left side shear force wall, the right side shear force wall, the interact is strengthened, and the wholeness is better. The cast-in-place concrete is filled in the gap, so that the combined action of steel and concrete can be fully exerted, and the steel-concrete composite material has the characteristics of high bearing capacity, good plastic toughness and good anti-seismic performance. Need not the ligature reinforcing bar in the construction, also need not other installation template, therefore the process is simple, construction convenience.
Drawings
FIG. 1 is a schematic structural diagram of a prefabricated shear wall perps connection structure according to the present invention;
FIG. 2 is a front view of the left side shear wall of the present invention;
FIG. 3 is a top view of the left side shear wall of the present invention;
FIG. 4 is a front view of the right side shear wall of the present invention;
FIG. 5 is a top view of the right side shear wall of the present invention;
FIG. 6 is a front view of the cover plate of the present invention;
FIG. 7 is a top view of the cover plate of the present invention;
fig. 8 is a schematic view of a partial structure of the left side embedded connecting block and the right side embedded connecting block in the invention.
In the figure: 1. a left shear wall; 2. a right side shear wall; 3. a connecting assembly; 4. embedding a connecting block on the left side; 5. embedding a connecting block on the right side; 6. a bump; 7. a first bolt hole; 8. a groove; 9. a second bolt hole; 10. a cover plate; 11. a third bolt hole; 12. cutting; 13. a slot; 14. a trapezoidal groove I; 15. a trapezoidal groove II; 16. a butterfly groove; 17. a butterfly buckle.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
The utility model provides a prefabricated assembled shear force wall perps connection structure, as shown in fig. 1-7, including left side shear force wall 1 and right side shear force wall 2, be provided with coupling assembling 3 between left side shear force wall 1 and the right side shear force wall 2, coupling assembling 3 vertical connection left side shear force wall 1 and right side shear force wall 2, the wholeness and the atress performance of this embodiment are more superior. Coupling assembling 3 includes left side pre-buried connecting block 4 and right side pre-buried connecting block 5, and left side pre-buried connecting block 4 and right side pre-buried connecting block 5 all adopt steel sheet clod wash, welding or roll forming. One end of the left pre-buried connecting block 4 is pre-buried in the left shear wall 1, the other end of the left pre-buried connecting block 4 is welded with the lug 6, a plurality of bolt holes 7 distributed in an array are formed in the lug 6, one end of the right pre-buried connecting block 5 is pre-buried in the right shear wall 2, the other end of the right pre-buried connecting block 5 is provided with a groove 8 used for inserting the lug 6, a plurality of bolt holes two 9 penetrating through the groove 8 are formed in the right pre-buried connecting block 5, and the bolt holes one 7 correspond to the bolt holes two 9. The front end face and the rear end face of the connecting component 3 are covered with cover plates 10, the outer surfaces of the cover plates 10 are flush with the left shear wall 1 and the right shear wall 2, and the flatness of the outer surfaces of the connecting component is kept. Offer the three 11 bolt holes that correspond with the two 9 bolt hole positions on the apron 10, a plurality of bolt holes 7, a plurality of bolt holes 9 and the three 11 butt joints of a plurality of bolt holes form a plurality of screw thread passageways, wear to be equipped with the split bolt among the screw thread passageway, the cutting 12 has all been welded to the both sides of apron 10, all offer the slot 13 that is used for inserting cutting 12 on left side shear force wall 1 and the right side shear force wall 2, leave the gap between cutting 12 and the slot 13, the gap intussuseption is filled with cast-in-place concrete, cast-in-place concrete is ordinary concrete, high strength concrete, high performance concrete, recycled aggregate concrete or lightweight aggregate concrete.
Additionally, as shown in fig. 8, a plurality of trapezoidal grooves 14 that are the array and distribute are all seted up to the front and back both ends face of the pre-buried connecting block 4 in left side, and a plurality of trapezoidal grooves two 15 that are the array and distribute are all seted up to the front and back both ends face of the pre-buried connecting block 5 in right side, and the size of trapezoidal groove one 14 and trapezoidal groove two 15 is unanimous, and the shape is the same, and the symmetry of each other, and the butterfly groove 16 is formed in the concatenation of trapezoidal groove one 14 and trapezoidal groove two 15, and a plurality of butterfly grooves 16 are arranged with a plurality of screw channel interval in proper order, insert.
The invention discloses a construction method of a vertical joint connecting structure of a prefabricated assembly type shear wall, which comprises the following steps of:
and 6, adopting a split bolt to penetrate through the threaded channel, screwing the two ends of the split bolt with nuts, fixing the cover plate 10, the left side embedded connecting block 4 and the right side embedded connecting block 5, and filling cast-in-place concrete in the gap.
In a word, the left side embedded connecting block 4 and the right side embedded connecting block 5 of the prefabricated assembly type shear wall vertical joint connecting structure are continuous in the vertical direction, and the integrity and the stress performance are excellent. The lug 6 and the groove 8 are beneficial to positioning and connection between the left embedded connecting block 4 and the right embedded connecting block 5. The butterfly groove 16 and the butterfly buckle 17 are arranged, so that the connection stability between the left embedded connecting block 4 and the right embedded connecting block 5 is enhanced. The arrangement of the insert strips 12 and the slots 13 is beneficial to positioning and connecting the cover plate 10 with the left shear wall 1 and the right shear wall 2. The apron 10 is through split bolt and the pre-buried connecting block 4 in left side, the pre-buried connecting block 5 fixed connection in right side, has further strengthened the stability of being connected between the pre-buried connecting block 4 in left side and the pre-buried connecting block 5 in right side to strengthened the interlock of horizontal direction between left side shear force wall 1, the right side shear force wall 2, the interact is strengthened, and the wholeness is better. The cast-in-place concrete is filled in the gap, so that the combined action of steel and concrete can be fully exerted, and the steel-concrete composite material has the characteristics of high bearing capacity, good plastic toughness and good anti-seismic performance. Need not the ligature reinforcing bar in the construction, also need not other installation template, therefore the process is simple, construction convenience.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The prefabricated assembly type shear wall vertical joint connecting structure comprises a left side shear wall (1) and a right side shear wall (2), and is characterized in that a connecting assembly (3) is arranged between the left side shear wall (1) and the right side shear wall (2), the connecting assembly (3) comprises a left side pre-embedded connecting block (4) and a right side pre-embedded connecting block (5), one end of the left side pre-embedded connecting block (4) is fixedly connected with the left side shear wall (1), the other end of the left side pre-embedded connecting block (4) is provided with a convex block (6), a plurality of first bolt holes (7) distributed in an array are formed in the convex block (6), one end of the right side pre-embedded connecting block (5) is fixedly connected with the right side shear wall (2), the other end of the right side pre-embedded connecting block (5) is provided with a groove (8) for inserting the convex block (6), a plurality of second bolt holes (9) penetrating through the groove, the utility model discloses a bolt hole, including connecting component (3), bolt hole (7) and bolt hole two (9), the both ends face all covers apron (10) around connecting component (3), be provided with bolt hole three (11) that correspond with bolt hole two (9) position on apron (10), it is a plurality of bolt hole (7), a plurality of bolt hole two (9) and a plurality of bolt hole three (11) dock and form a plurality of screw thread passageways, wear to be equipped with split bolt in the screw thread passageway, the both sides of apron (10) all are provided with cutting (12), all be provided with slot (13) that are used for inserting cutting (12) on left side shear force wall (1) and right side shear force wall (2).
2. The prefabricated shear wall perps connection structure of claim 1, wherein a gap is reserved between the insert strip (12) and the slot (13), and the gap is filled with cast-in-place concrete.
3. The prefabricated assembly type shear wall perps connection structure of claim 1, characterized in that, the front and back both ends face of left side pre-buried connecting block (4) all is provided with a plurality of dovetail grooves one (14) that are the array and distribute, the front and back both ends face of right side pre-buried connecting block (5) all is provided with a plurality of dovetail grooves two (15) that are the array and distribute, the size of dovetail groove one (14) and dovetail grooves two (15) is unanimous, and the shape is the same, and symmetry each other, dovetail groove one (14) and dovetail grooves two (15) concatenation form butterfly groove (16), butterfly buckle (17) have been inserted in butterfly groove (16).
4. A prefabricated shear wall perps connection according to claim 3, wherein a plurality of said butterfly grooves (16) are arranged in series with a plurality of said threaded passages at intervals.
5. A prefabricated assembly type shear wall perps connection according to claim 1, characterized in that the outer surface of the cover plate (10) is flush with the left side shear wall (1) and the right side shear wall (2).
6. The prefabricated shear wall perps connection structure of claim 1, wherein the cast-in-place concrete is ordinary concrete, high-strength concrete, high-performance concrete, recycled aggregate concrete or lightweight aggregate concrete.
7. The prefabricated assembly type shear wall vertical joint connecting structure according to claim 1, wherein the left embedded connecting block (4) and the right embedded connecting block (5) are formed by cold bending, welding or rolling steel plates.
8. The construction method of the prefabricated shear wall perps connection structure according to claim 1, characterized by comprising the following steps:
step 1, welding a lug (6) on a left-side embedded connecting block (4), forming a first bolt hole (7) on the lug (6), and forming a first trapezoid groove (14) which is distributed at intervals with the first bolt hole (7) on the left-side embedded connecting block (4); a groove (8) is formed in the right-side embedded connecting block (5), a bolt hole II (9) corresponding to the bolt hole I (7) is arranged at the design position of the groove (8), and a trapezoidal groove II (15) corresponding to the trapezoidal groove I (14) is formed in the right-side embedded connecting block (5); correspondingly embedding the left embedded connecting block (4) and the right embedded connecting block (5) into the left shear wall (1) and the right shear wall (2) respectively;
step 2, paying off and positioning the position of the prefabricated shear wall, and fixing the right shear wall (2);
step 3, hoisting the left shear wall (1), aligning the positions of the bump (6) and the groove (8), and horizontally moving the left shear wall (1) transversely until the bump (6) is inserted into the groove (8);
step 4, sequentially installing all butterfly buckles (17);
step 5, hoisting the two cover plates (10) in sequence, aligning the positions of the inserting strips (12) and the slots (13), and moving the cover plates (10) downwards along the height direction until the inserting strips (12) are completely inserted into the slots (13), wherein the cover plates (10) cover the front end face and the rear end face of the connecting component (3);
and step 6, fixing the cover plate (10), the left side embedded connecting block (4) and the right side embedded connecting block (5) by adopting split bolts, and filling cast-in-place concrete in the gap.
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| CN202010587493.9A CN111691574B (en) | 2020-06-24 | 2020-06-24 | Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof |
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| CN202010587493.9A CN111691574B (en) | 2020-06-24 | 2020-06-24 | Prefabricated assembly type shear wall vertical joint connecting structure and construction method thereof |
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| CN112482591A (en) * | 2020-11-23 | 2021-03-12 | 湘潭大学 | Quick connection structure of assembled shear force wall |
| CN114517526A (en) * | 2022-03-21 | 2022-05-20 | 江西中一梦园住宅工业有限公司 | Evaporate and press lightweight concrete house building structure |
| CN114541835A (en) * | 2022-01-28 | 2022-05-27 | 江西省水利科学院 | Connecting structure and method applied to assembled water pool wall plate |
| CN117905194A (en) * | 2024-03-13 | 2024-04-19 | 西南石油大学 | Assembled wall and assembling method |
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| CN112482591A (en) * | 2020-11-23 | 2021-03-12 | 湘潭大学 | Quick connection structure of assembled shear force wall |
| CN114541835A (en) * | 2022-01-28 | 2022-05-27 | 江西省水利科学院 | Connecting structure and method applied to assembled water pool wall plate |
| CN114517526A (en) * | 2022-03-21 | 2022-05-20 | 江西中一梦园住宅工业有限公司 | Evaporate and press lightweight concrete house building structure |
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| CN117905194B (en) * | 2024-03-13 | 2024-05-28 | 西南石油大学 | Assembled wall and assembling method |
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| Publication number | Publication date |
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| CN111691574B (en) | 2022-03-29 |
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