CN219491809U - Adopt UHPC-steel sheet to consolidate structure of T type brickwork - Google Patents

Adopt UHPC-steel sheet to consolidate structure of T type brickwork Download PDF

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Publication number
CN219491809U
CN219491809U CN202320322818.XU CN202320322818U CN219491809U CN 219491809 U CN219491809 U CN 219491809U CN 202320322818 U CN202320322818 U CN 202320322818U CN 219491809 U CN219491809 U CN 219491809U
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China
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wall body
steel
uhpc
steel plates
shaped
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Chinese (zh)
Inventor
王智勇
张素康
胡跃祥
葛文杰
张志文
帅华国
王仪
蒋洪波
阿什拉夫·阿舒尔
曹大富
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Jiangsu Zhonggou Construction Engineering Co ltd
Yangzhou University
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Jiangsu Zhonggou Construction Engineering Co ltd
Yangzhou University
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Abstract

The utility model discloses a structure for reinforcing a T-shaped masonry by adopting UHPC-steel plates in the field of building structures, which comprises a T-shaped wall body, wherein the T-shaped wall body comprises a transverse wall body and a longitudinal wall body, steel plates are arranged on two sides of the transverse wall body and the longitudinal wall body, structural adhesive is arranged between the steel plates and corners of the wall surface of the T-shaped wall body, a plurality of split bolts penetrating through the T-shaped wall body are distributed on the transverse wall body and the longitudinal wall body in an array manner, angle steel is arranged at the bottom of the T-shaped wall body, one side of the angle steel is welded with the steel plates, the other side of the angle steel is welded with the ground, and a UHPC layer is arranged on the outer side of the steel plates. The utility model can reduce the reinforcement space, enhance the tie force between the walls, improve the lateral rigidity, the ductility and the integrity of the structure and enhance the anti-seismic effect.

Description

Adopt UHPC-steel sheet to consolidate structure of T type brickwork
Technical Field
The utility model belongs to the technical field of building structures, and particularly relates to a structure for reinforcing a T-shaped masonry by adopting UHPC-steel plates.
Background
The masonry structure is one of the existing more building structural forms, is built by bricks and mortar, saves cement and steel compared with a reinforced concrete structure, does not need templates and special technical equipment, has the advantages of local materials, low manufacturing cost, good heat preservation and insulation performance and the like, and is most widely applied to rural village and town areas. But because the binding force among bricks, stones, building blocks and mortar is weaker, the structure is poor in compression resistance, shearing resistance, integrity and ductility, and compared with a wood structure and a reinforced concrete structure, the structure has poor earthquake resistance. The defects are that: when the brick is suffered from earthquake damage, the damage of the corner of the brick is more obvious, the joint of the corner of the brick is T-shaped, the brick is easy to crack and deform under the action of stress and earthquake, the V-shaped oblique cracks in the longitudinal and transverse directions are easy to appear, and finally, the brick is crushed.
Disclosure of Invention
The utility model aims to provide a structure for reinforcing a T-shaped masonry by adopting UHPC-steel plates, so that the reinforced space is reduced, the anti-seismic effect is enhanced, and the purposes of economy, environmental protection and short construction period can be achieved.
The purpose of the utility model is realized in the following way: the utility model provides an adopt UHPC-steel sheet to consolidate T type brickwork's structure, includes T type wall body, T type wall body includes horizontal wall body and longitudinal wall body, the both sides of horizontal wall body and longitudinal wall body all are provided with the steel sheet, there is the structural adhesive between the turning of steel sheet and T type wall body wall, be the array on horizontal wall body and the longitudinal wall body and distribute a plurality of split bolts that run through T type wall body, the bottom of T type wall body is provided with the angle steel, one side and the steel sheet welding of angle steel, the another side and the ground welding of angle steel, the steel sheet outside is provided with the UHPC layer.
When the double-sided steel plate wall is used, the double-sided steel plate and the wall are effectively anchored together by the split bolts, so that the integrity of the components is improved, the space and the cost are reduced, and the influence of the structural adhesive, which is easy to age and lose bonding force transmission under the conditions of humid environment, high temperature and the like, is eliminated; the split bolt wall penetrating arrangement solves the problem that the UHPC layer and the original masonry are not sufficiently peeled off in the compression process due to the adhesive force; the steel plate can effectively restrict the transverse deformation of the test piece and make up for the crack development of the masonry; the split bolt is in a convex shape, surrounds the reinforcing structure, has a good sleeve drum effect on the middle masonry, the middle masonry is restrained in the sleeve drum effect, and the development of cracks are restrained by surrounding reinforcing layers. Compared with the prior art, the utility model has the beneficial effects that: the good stress effect can be formed by adopting less UHPC consumption and less steel plate consumption; the tie force between the walls can be effectively enhanced, and the lateral rigidity, ductility and integrity of the structure are improved, so that the collapse resistance of the masonry is enhanced.
As a further improvement of the utility model, a steel backing plate amplifying block is arranged between the split bolt and the T-shaped wall surface.
As a further improvement of the utility model, the height of the steel plate is consistent with the height of the T-shaped wall body, and the thickness of the steel plate is 2mm.
As a further improvement of the utility model, the length of the angle steel is consistent with the width of the steel plate.
As a further development of the utility model, the lateral distance between two adjacent tie bolts is 800mm.
As a further development of the utility model, the UHPC layer has a thickness of 10mm.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a schematic perspective view of a T-shaped wall to be reinforced.
Fig. 4 is a cross-sectional view of the pull bolt of the utility model.
Fig. 5 is a schematic perspective view of the steel sheet according to the present utility model.
Fig. 6 is a schematic perspective view of the angle steel of the present utility model.
The wall comprises a 1T type wall body, a 101 transverse wall body, a 102 longitudinal wall body, 2 steel plates, 3 split bolts, 4 steel backing plate amplifying blocks, 5 angle steel and 6 UHPC layers.
Detailed Description
1-6, a structure for reinforcing a T-shaped masonry by adopting UHPC-steel plates comprises a T-shaped wall body 1, wherein the T-shaped wall body 1 comprises a transverse wall body 101 and a longitudinal wall body 102, steel plates 2 with the thickness of 2mm are arranged on two sides of the transverse wall body 101 and the longitudinal wall body 102, the height of each steel plate 2 is consistent with that of the T-shaped wall body 1, the width of each steel plate 2 on the transverse wall is 1.2m, the width of each steel plate 2 on two longitudinal walls 102 perpendicular to the transverse wall is 1.2m, and the width of each steel plate 2 arranged on the other side of the longitudinal wall 102 is 2.68m; structural adhesive is arranged between the steel plate 2 and the corner of the wall surface of the T-shaped wall body 1, a plurality of M12 split bolts 3 penetrating through the T-shaped wall body 1 are distributed on the transverse wall body 101 and the longitudinal wall body 102 in an array manner, and the transverse distance between every two adjacent split bolts is 800mm; preferably, a steel backing plate amplifying block 4 is arranged between the split bolt 3 and the wall surface of the T-shaped wall body 1, so that local stress concentration around the bolt hole can be prevented from damaging the original masonry; the bottom of the T-shaped wall body 1 is provided with equilateral angle steel 5 with the dimensions of 30mm multiplied by 3mm, one side of the angle steel 5 is welded with the steel plate 2, the other side of the angle steel 5 is welded with the ground, and the length of the angle steel 5 is consistent with the width of the steel plate 2; the outer side of the steel plate 2 is provided with a UHPC layer 6 having a thickness of 10mm as a reinforcing layer.
Wherein the UHPC layer 6 comprises the following components in percentage by weight: 10-50% of cement, 20-30% of quartz sand, 12-12.5% of silica fume, 0-35% of fly ash, 15-20% of mineral powder, 1.5-2.5% of steel fiber (volume mixing amount), 15-20% of water and 0.2-2.5% of water reducer, wherein the sum of the weight percentages of the components is 100%. UHPC not only has ultra-high mechanical properties, but also has stronger fire resistance and corrosion resistance because the pores and defects in the structure are reduced by combining the raw materials based on the maximum bulk density theory; compared with the traditional concrete material, the concrete material has the advantages of high compression resistance, high tensile strength, good toughness, good wear resistance, high durability, good environmental protection performance and the like; compared with the common masonry mortar coating, the UHPC has the characteristics of low price and good durability (ultraviolet ray resistance, freezing resistance, acid/alkali/salt corrosion resistance and the like).
When the T-shaped wall is used, loose matters on the surface of the T-shaped wall body 1 are removed, structural adhesive is poured around the corners of the built wall surface, and a steel plate 2 with the thickness of 2mm is stuck for reinforcement; then arranging split bolts 3 to form a convex shape on the whole, and placing a steel backing plate amplifying block 4 at the anchoring hole; welding angle steel 5 at the bottom of the wall body for reinforcement; finally, the wall surface is plastered by using the UHPC covered steel plate 2. The steel plate 2 is used for reinforcing the wall body, no additional support, building blocks and other object supports are needed, and the construction difficulty is low, so that the construction period is shortened, and the reinforcing space is saved; the split bolt 3 effectively anchors the double-sided steel plate 2 and the wall body together, so that the integrity of the components is improved, the space and the cost are reduced, and the influence of the structural adhesive that is easy to age and lose bonding force transmission under the conditions of humid environment, high temperature and the like is eliminated; the wall penetrating arrangement of the split bolt 3 solves the problem that the UHPC layer 6 and the original masonry are not sufficiently peeled off in the compression process due to the adhesive force; the steel plate 2 can effectively restrict the transverse deformation of the test piece and make up for the crack development of the masonry; the split bolt 3 is in a convex shape to surround the reinforcing structure, so that the split bolt has a good sleeve drum effect on the middle masonry, the middle masonry is restrained in the split bolt, and the development of cracks are restrained by surrounding reinforcing layers.
The utility model has the beneficial effects that: the good stress effect can be formed by adopting less UHPC consumption and less steel plate 2 consumption; the tie force between the walls can be effectively enhanced, and the lateral rigidity, ductility and integrity of the structure are improved, so that the collapse resistance of the masonry is enhanced.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.

Claims (6)

1. The utility model provides an adopt UHPC-steel sheet to consolidate T type brickwork's structure, includes T type wall body, T type wall body includes horizontal wall body and longitudinal wall body, its characterized in that, the both sides of horizontal wall body and longitudinal wall body all are provided with the steel sheet, there is the structural adhesive between the turning of steel sheet and T type wall body wall, be the array on horizontal wall body and the longitudinal wall body and distribute a plurality of split bolts that run through T type wall body, the bottom of T type wall body is provided with the angle steel, one side and the steel sheet welding of angle steel, the another side and the ground welding of angle steel, the steel sheet outside is provided with the UHPC layer.
2. The structure for reinforcing a T-shaped masonry with a UHPC-steel plate according to claim 1, wherein a steel pad enlarging block is provided between the split bolt and the wall surface of the T-shaped wall.
3. A structure for reinforcing a T-masonry with UHPC-steel plates according to claim 2, wherein the height of the steel plates corresponds to the height of the T-wall and the thickness of the steel plates is 2mm.
4. A structure for reinforcing a T-masonry with UHPC-steel plates according to claim 3, wherein the angle steel has a length corresponding to the width of the steel plates.
5. The structure of claim 4, wherein the lateral spacing between two adjacent tie bolts is 800mm.
6. The structure of claim 5, wherein the UHPC layer has a thickness of 10mm.
CN202320322818.XU 2023-02-27 2023-02-27 Adopt UHPC-steel sheet to consolidate structure of T type brickwork Active CN219491809U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320322818.XU CN219491809U (en) 2023-02-27 2023-02-27 Adopt UHPC-steel sheet to consolidate structure of T type brickwork

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320322818.XU CN219491809U (en) 2023-02-27 2023-02-27 Adopt UHPC-steel sheet to consolidate structure of T type brickwork

Publications (1)

Publication Number Publication Date
CN219491809U true CN219491809U (en) 2023-08-08

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ID=87511116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320322818.XU Active CN219491809U (en) 2023-02-27 2023-02-27 Adopt UHPC-steel sheet to consolidate structure of T type brickwork

Country Status (1)

Country Link
CN (1) CN219491809U (en)

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