CN214090488U - Steel wire mesh coal gangue concrete assembled shear wall - Google Patents
Steel wire mesh coal gangue concrete assembled shear wall Download PDFInfo
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- CN214090488U CN214090488U CN202022680540.2U CN202022680540U CN214090488U CN 214090488 U CN214090488 U CN 214090488U CN 202022680540 U CN202022680540 U CN 202022680540U CN 214090488 U CN214090488 U CN 214090488U
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Abstract
The utility model relates to a steel wire mesh coal gangue concrete assembled shear wall, the convex tooth socket evenly arranged at the bottom of the shear wall body corresponds to the concave tooth socket arranged at the bottom of the wall foundation and forms a mortar sitting space, cement mortar is coated in the foundation groove in advance, the wall body convex groove is bonded to form consolidation through mortar sitting, the connecting pieces are fixedly arranged at the positions of the left lower corner and the right lower corner of the two sides of the shear wall body connected with the wall foundation, each connecting piece comprises an equilateral angle steel, six long bolts, a short bolt and a rubber pad, two long bolts are embedded in each connecting piece to pass through the shear wall body, four long bolts and a short bolt are embedded at the two same ends of the wall foundation corresponding to the long bolts of the shear wall body, the long bolts at the two sides of the shear wall body are connected and fixed with the short bolts on the corresponding wall foundation through the equilateral angle steel, the vertical connecting technology adopting the tooth socket sitting mortar and bolt connection, the anti-seismic performance of the assembled shear wall structure in the village and town areas can be improved.
Description
Technical Field
The utility model belongs to the technical field of the construction, a wire net coal gangue concrete assembled shear force wall is related to, especially, relate to a vertical connection structure of wire net coal gangue concrete assembled shear force wall.
Background
In recent years, the urban and rural construction department of housing in China has been vigorously promoted to develop the fabricated concrete building, the proportion of the fabricated concrete building in a newly-built building is continuously improved, and the green development of the building industry in China and the improvement of the urban residential environment are promoted. With the development of new socialist rural construction, an assembly type structure system which can be produced in a factory in a standardized manner and can be conveniently installed on site without large-scale machines and tools is researched and developed according to local conditions, adverse effects of factors such as manpower and materials on the wall quality can be effectively avoided, the seismic performance of the village and town buildings under different seismic levels is improved, the seismic capacity of the buildings is improved, and the method becomes an important development direction for improving the seismic resistance of the village and town buildings.
Considering that the existing assembled shear wall structure system with multiple high-rise layers mainly adopts steel bars and common concrete as main materials, adopts a grouting sleeve mode to connect walls, and is not suitable for rural areas with laggard economy due to the characteristics of large dead weight, poor heat insulation performance, complex connection construction technology, high dependence on large-scale machines and the like determined by the material composition. Therefore, the utility model provides a by the combination of wire net and lightweight aggregate concrete, be applicable to the novel assembled shear force wall of the low-rise building of villages and small towns in the area that our country's earthquake is frequent, the weather is cold, take the faying face to set up the tooth's socket and sit the thick liquid, assist the assembled structure system that bolted connection connects, its wire net adopts the finished product to cut the bending forming, removes the reinforcement link from; on the premise of meeting the bearing capacity requirement of a low-rise building, the coal gangue concrete has light dead weight and good heat insulation performance, and the whole structure can be installed without a large machine; and the new connection mode has simple process and reliable connection. To sum up, the utility model provides a steel wire net coal gangue concrete assembled shear force wall can effectively improve the anti-seismic performance of the rural buildings in the north of china, reduces the energy consumption level.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve present adoption reinforcing bar and ordinary concrete as the main material and adopt the grout sleeve mode to carry out wall connection, have from great, thermal insulation performance is poor, connect the problem that construction technology is complicated and to large-scale machines and tools degree of dependence height, provide a wire net coal gangue concrete assembled shear force wall, this construction method adopts the tooth's socket to sit the thick liquid and add bolted connection's vertical connection technique.
In order to achieve the purpose, the utility model provides a steel wire net coal gangue concrete assembled shear wall, including the wall foundation, set up the shear wall body on the wall foundation and be used for connecting shear wall body and wall foundation's connecting piece, the convex tooth's socket that the shear wall body bottom was evenly seted up corresponds and forms the grout sitting space with the concave tooth's socket that the wall foundation bottom was seted up, cement mortar is paintd in the foundation groove in advance, the wall body tongue is forming the consolidation through mortar grout sitting interlock bonding, a connecting piece is fixed to the position that shear wall body both sides lower left corner and lower right corner and wall foundation link to each other, each connecting piece all includes an equilateral angle steel, six long bolts, a short bolt and a rubber pad, two long bolts in each connecting piece are pre-buried and pass through the shear wall body in advance, four long bolts and a short bolt are respectively pre-buried in the same both ends of wall foundation both sides corresponding to shear wall body long bolt, the long bolts at the two sides of the shear wall body are fixedly connected with the short bolts on the corresponding wall foundation through equal angle steel.
Furthermore, an L-shaped rubber pad is arranged between the equal-side angle steel and the wall foundation, long bolts on two sides of the shear wall body penetrate through the rubber pad and then are fixed, the number of the long bolts on the wall foundation is four, and short bolts sequentially penetrating through the rubber pad, the L-shaped angle steel and a gap at the upper end of the long bolt are arranged on the wall foundation.
Furthermore, the equilateral angle steel is provided with a through hole matched with the long bolt, and the long bolt on the shear wall and the short bolt on the wall foundation are respectively inserted into the through hole of the equilateral angle steel and are fixed through the nut.
Further, the bottom of each group of long bolts is fixedly provided with a steel backing plate which is convenient for fixing the bottom of the long bolt.
Furthermore, the convex tooth grooves and the concave tooth grooves are all six, and the end faces of the convex tooth grooves and the concave tooth grooves are in a trapezoidal shape.
Furthermore, the L-shaped angle steel is equal-edge angle steel.
Further, the shear wall body is formed by using a finished steel wire mesh as a wall body framework, square steel wire cages as edge members at the end parts of the wall body and desert sand lightweight aggregate concrete as an aggregate, wherein the desert sand lightweight aggregate concrete is composed of cement, fly ash, coal gangue, river sand, desert sand and a water reducing agent.
A construction method of a steel wire mesh coal gangue concrete assembled shear wall comprises the following steps:
A. processing and prefabricating a plurality of shear wall bodies and wall foundations in a factory according to requirements, wherein six convex tooth sockets are uniformly formed at the bottom of each shear wall body, and concave tooth sockets corresponding to the convex tooth sockets are uniformly formed on the wall foundation to be constructed;
B. the method comprises the following steps that two long bolts penetrating through a shear wall body are respectively embedded at the positions, connected with a wall foundation, of the left lower corner and the right lower corner of two sides of the shear wall body, four long bolts with steel plates and one short bolt are respectively embedded at the same two ends of the two sides of the wall foundation, the long bolts on the wall foundation are in a group of four, a steel base plate convenient for fixing the bottoms of the long bolts is fixedly installed at the bottom of each group of long bolts, and the steel base plate can keep each group of long bolts embedded in the wall foundation in pairs and keep each group of long bolts stably installed in the wall foundation;
C. the shear wall and the wall foundation are transported to a construction site and then sequentially hoisted, the shear wall is inserted on the wall foundation, the long bolts on two sides of the shear wall are fixedly connected with the short bolts on the corresponding wall foundation through L-shaped angle steel, the long bolts on two sides of the shear wall are fixed after penetrating through the rubber pads, and the short bolts sequentially penetrate through the rubber pads, the L-shaped angle steel and the upper end cracks of each group of long bolts to realize the fixation of the L-shaped angle steel and the wall foundation;
D. the concave tooth socket on the wall foundation is coated with cement mortar in advance and is meshed with the convex tooth socket on the lower part of the wall body to form concretion.
The beneficial effects of the utility model reside in that:
1. the steel wire mesh coal gangue concrete assembled shear wall disclosed by the utility model is formed by combining desert sand lightweight aggregate concrete, a square steel wire cage and a lightweight steel wire mesh, and has good component anti-seismic bearing capacity and deformation capacity; the structure can be manufactured into L-shaped, T-shaped and straight-line-shaped assembled shear walls, and the mechanical property of each part of the assembled structure can be effectively improved; the light steel wire mesh is used for replacing the existing steel frame and steel bar structure, the weight of the framework is reduced on the premise of ensuring the anti-seismic bearing capacity and the deformation capacity of the member, the technical links of arranging and binding steel bars are reduced, the construction difficulty is reduced, and the construction efficiency is improved; the concrete material adopts desert sand coal gangue concrete, and the heat conductivity coefficient of the concrete material is greatly lower than that of common concrete or brick masonry, so that the structure has good heat insulation performance under the condition of meeting the load-bearing requirement.
2. The utility model discloses a steel wire net coal gangue concrete assembled shear force wall structural design's vertical connection form is a tooth's socket sits thick liquid and adds the connection form of bolt. Under the action of a small earthquake, the interaction between the shear wall body and the wall foundation is mainly reflected in the whole stress stage of the structure before the external load reaches the self strength of the wall body, the shear wall body resists damage by utilizing the self strength and the tooth socket engaging force connected with the lower foundation and the mortar bonding force, at the moment, the bolt connecting pieces do not slide, and the aim of seismic fortification without small earthquake damage can be realized; under the action of a middle earthquake, when the mortar bonding force is reached, the mortar bonding part between the shear wall body and the wall foundation begins to be damaged, the two sides of the wall body begin to generate sliding deformation, and the tooth grooves between the shear wall body and the wall foundation can play a role of occluding and fixing the wall body to restrain the deformation of the wall body when the mortar is withdrawn from the work; meanwhile, under the action of medium and large earthquakes, the rubber pads between the angle steel and the embedded steel plates begin to shear and extrude to deform, and finally the effect of energy consumption is achieved, and the effect of integral tensile shear of the wall body can be improved by connecting the shear wall body bolts with the wall foundation bolts through the angle steel; in addition, the bolt connection between the shear wall body and the wall foundation and the auxiliary action of the rubber pad can reduce the damage degree of the wall body in the loading process, allow the wall body to have certain deformation capacity, reduce the earthquake response of the structure, further improve the earthquake resistance of the shear wall body, and finally achieve the design goal of controllable damage and no falling of the structure under medium and large earthquakes.
3. The utility model discloses a wire net coal gangue concrete assembled shear force wall possesses the assembly attribute of "construction installation is convenient, the structure design is simple", and the shear force wall body member cross-section is standardized 600mm wide, and cross-sectional dimension is little and the unit weight is light, is different from traditional assembled big board shear force wall, and it need not the oversize vehicle transportation, and it is low to machines hoist and mount ability requirement. And the field installation mode is mainly the connection of bolts, has reduced technical links such as formwork, bundle muscle that cast-in-place component brought, has reduced the technical difficulty, is particularly useful for the outlying villages and small towns area that the material supply is not enough, artifical quality is low, technical strength is in short, can accomplish by villages and small towns brick and tile team.
4. The utility model discloses a wire net coal gangue concrete assembled shear force wall, from the aspect of the selected materials, shear force wall body and wall foundation's connecting piece comprises common bolt, angle steel, rubber pad etc. and it is convenient to purchase the material, and the site operation is convenient, has the practicality to the comparatively laggard villages and small towns area of economic and technical condition. In addition, the heat conductivity coefficient of the desert sand and coal gangue concrete is greatly lower than that of common concrete or brick masonry, and the energy consumption level of village and town buildings can be effectively reduced. Meanwhile, the resources of the desert sand and the coal gangue are rich, the use of the desert sand and coal gangue concrete can play a role in fully utilizing local resources and changing waste into valuable, and the desert sand and coal gangue concrete has profound practical significance and social significance from the perspective of sustainable development.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a first schematic structural view of a steel wire mesh coal gangue concrete fabricated shear wall of the present invention;
FIG. 2 is a structural schematic diagram II of the steel wire mesh coal gangue concrete assembled shear wall of the utility model;
FIG. 3 is a cross-sectional view taken at 1-1 in FIG. 2;
FIG. 4 is a side view of the connection between the medium angle steel and the bolt in the steel wire mesh and gangue concrete assembled shear wall of the present invention;
FIG. 5 is a schematic cross-sectional view of an L-shaped fabricated shear wall;
FIG. 6 is a schematic cross-sectional view of a T-shaped fabricated shear wall;
fig. 7 is a schematic cross-sectional view of a straight-line fabricated shear wall.
Reference numerals: the steel wire mesh shear wall comprises a shear wall body 1, angle steel 2, long bolts 3, a convex tooth groove 4, a concave tooth groove 5, a steel base plate 6, a wall foundation 7, short bolts 8, rubber pads 9, a steel wire mesh 10 and a steel wire cage 11.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The steel wire mesh coal gangue concrete assembled shear wall shown in fig. 1-4 comprises a wall foundation 7, a shear wall body 1 arranged on the wall foundation 7 and a connecting piece used for connecting the shear wall body and the wall foundation, the concrete shear wall structure can be used as a T-shaped (shown in fig. 6), an L-shaped (shown in fig. 5) and a straight-shaped (shown in fig. 7) shear wall in village and town buildings, and the width and the thickness of all the shear wall bodies are 600mm and 150 mm. The structure is mainly characterized in that finished steel wire meshes 10 are used as a wall framework instead of binding wall reinforcing steel bars, square steel wire cages 11 are used as edge members at the end parts of a wall body, coal gangue is used as aggregate, and desert sand is used for replacing part of river sand to prepare the novel shear wall structure which has the characteristics of local materials, convenience in construction, light weight, heat preservation and the like. The desert sand light bone with the strength grade of LC25 is used in the embodimentThe desert sand lightweight aggregate concrete mainly comprises cement, fly ash, coal gangue, river sand, desert sand and a water reducing agent, wherein the cement is 42.5R ordinary portland cement; the fly ash is I-grade fly ash; the particle size of the coal gangue particles is 5-20 mm; the water reducing rate of the water reducing agent is 20 percent. The water-cement ratio of the shear wall with the strength is 0.45, the volume sand rate is 41%, the desert sand substitution rate is 40%, and the blending amount of the fly ash is 20%. The standard mixing proportion of the light aggregate concrete of each cubic meter of the desert sand used by the shear wall body is 210kg/m of cement353kg/m of fly ash3308kg/m coal gangue3426kg/m river sand3218kg/m of desert sand36kg/m of water reducing agent3118kg/m of water3。
Examples
The embodiment takes a straight-line assembly type shear wall as an example, wherein six convex tooth sockets 4 are uniformly formed at the bottom of the shear wall, six concave tooth sockets 5 are uniformly formed at the bottom of the wall foundation, and the end faces of the convex tooth sockets 4 and the concave tooth sockets 5 are in a trapezoidal shape. The convex tooth socket 4 corresponds to the concave tooth socket 5 and forms a mortar sitting space, cement mortar is coated in a foundation groove in advance, a wall convex groove is solidified by mortar sitting and mortar engaging, each shear wall body is connected with a wall foundation through four connecting pieces, and each connecting piece comprises an equilateral angle steel 2, six long bolts 3, a short bolt 8 and a rubber pad 9.
The connecting pieces are fixedly installed at the positions, connected with the wall foundation 7, of the left lower corner and the right lower corner of the two sides of the shear wall body 1, two long bolts 3 are embedded in each connecting piece and penetrate through the shear wall body 1, four long bolts 3 are embedded in the two same ends of the two sides of the wall foundation 7 corresponding to the long bolts 3 of the shear wall body 1, and the long bolts 3 on the two sides of the shear wall body 1 and the short bolts 8 on the corresponding wall foundation 7 are connected and fixed through equilateral angle steel 2. Be provided with L type rubber pad 9 between the pre-buried steel sheet of equilateral angle steel 2 and wall foundation 7, shear force wall body 1 both sides stay bolt 3 passes behind the rubber pad 9 and fixes, and stay bolt 3 on the wall foundation 7 is a set of four, and the bottom fixed mounting of every group stay bolt 3 is convenient for with the fixed steel backing plate 6 in 3 bottoms of stay bolt, sets up the short bolt 8 that passes rubber pad 9, L type angle steel 2, every group stay bolt 3 upper end crack in proper order on the wall foundation 7.
A construction method of a steel wire mesh coal gangue concrete assembled shear wall comprises the following steps:
A. processing and prefabricating a plurality of shear wall bodies 1 and wall foundations 7 in a factory according to requirements, wherein six convex tooth sockets 4 are uniformly formed at the bottom of each shear wall body 1, and concave tooth sockets 5 corresponding to the convex tooth sockets 4 are uniformly formed on the wall foundations 7 to be constructed;
B. the method comprises the following steps of pre-embedding two long bolts 3 penetrating through a shear wall body 1 at the connecting positions of the left lower corner and the right lower corner of two sides of the shear wall body 1 and a wall foundation 7 respectively, pre-embedding four long bolts 3 at the same two ends of the two sides of the wall foundation 7 respectively, wherein the long bolts 3 on the wall foundation 7 are in a group of four, the bottom of each group of long bolts 3 is fixedly provided with a steel base plate 6 convenient for fixing the bottom of the long bolts 3, and the steel base plate 6 can keep each group of long bolts 3 pre-embedded in the wall foundation 7 in pairs and keep each group of long bolts 3 in the wall foundation 7 to be stably installed;
C. the shear wall body 1 and the wall foundation 7 are transported to a construction site and then sequentially hoisted, the shear wall body 1 is inserted on the wall foundation 7, the long bolts 3 on two sides of the shear wall body 1 are fixedly connected with the short bolts 8 on the corresponding wall foundation 7 through the L-shaped angle steel 2, the long bolts 3 on two sides of the shear wall body 1 are fixed after penetrating through the rubber pads 9, the short bolts 8 sequentially penetrate through the rubber pads 9, the L-shaped angle steel 2 and the upper end cracks of each group of long bolts 3 to realize the fixation of the L-shaped angle steel 2 and the wall foundation 7;
D. the concave tooth grooves 5 on the wall foundation 7 are coated with cement mortar slurry in advance and connected with the convex tooth grooves 4 on the lower part of the wall body in a mortar setting mode to form consolidation.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. A steel wire mesh coal gangue concrete assembled shear wall is characterized by comprising a wall foundation, a shear wall body arranged on the wall foundation and a connecting piece used for connecting the shear wall body and the wall foundation, wherein convex tooth sockets uniformly formed at the bottom of the shear wall body correspond to concave tooth sockets formed at the bottom of the wall foundation and form a mortar sitting space, lightweight aggregate concrete is coated in a foundation groove in advance, wall convex grooves are meshed and bonded in a mortar sitting mode to form consolidation, the connecting piece is fixedly arranged at the connecting part of the left lower corner and the right lower corner of the two sides of the shear wall body and the wall foundation, each connecting piece comprises an equilateral angle steel, six long bolts, a short bolt and a rubber pad, two long bolts in each connecting piece are embedded in advance to penetrate through the shear wall body, four embedded long bolts and one short bolt are respectively arranged at the same two ends of the two sides of the wall foundation corresponding to the long bolts of the shear wall body, the long bolts at the two sides of the shear wall body are fixedly connected with the short bolts on the corresponding wall foundation through equal angle steel.
2. The steel wire mesh and coal gangue concrete assembled shear wall as claimed in claim 1, wherein L-shaped rubber pads are arranged between the equal angle steel and the wall foundation, long bolts at two sides of the shear wall body penetrate through the rubber pads and then are fixed, the four long bolts on the wall body are in a group, and short bolts penetrating through the rubber pads, the L-shaped angle steel and gaps at the upper ends of the long bolts in sequence are arranged on the wall foundation.
3. The steel wire mesh and coal gangue concrete assembled shear wall as claimed in claim 1, wherein the equilateral angle steels are provided with through holes matched with the long bolts, and the long bolts on the shear wall and the short bolts on the wall foundation are respectively inserted into the through holes of the equilateral angle steels and fixed through nuts.
4. The steel wire mesh-gangue concrete fabricated shear wall as claimed in claim 1, wherein the shear wall body is made of finished steel wire mesh as a wall body framework, square steel wire cages are used as wall body end edge members, and desert sand lightweight aggregate concrete is used as an aggregate.
5. The steel wire mesh gangue concrete assembled shear wall as claimed in claim 1, wherein the convex tooth grooves and the concave tooth grooves are six and have trapezoidal end surfaces.
6. The steel wire mesh gangue concrete fabricated shear wall of claim 2, wherein the L-shaped angle steel is an equilateral angle steel.
7. The steel wire mesh gangue concrete assembled shear wall as claimed in claim 1, wherein a steel backing plate for fixing the bottom of the long bolt is fixedly installed at the bottom of each group of long bolts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022680540.2U CN214090488U (en) | 2020-11-18 | 2020-11-18 | Steel wire mesh coal gangue concrete assembled shear wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022680540.2U CN214090488U (en) | 2020-11-18 | 2020-11-18 | Steel wire mesh coal gangue concrete assembled shear wall |
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| CN214090488U true CN214090488U (en) | 2021-08-31 |
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| CN202022680540.2U Active CN214090488U (en) | 2020-11-18 | 2020-11-18 | Steel wire mesh coal gangue concrete assembled shear wall |
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