CN217841008U - Reinforced structure that shear force wall node concrete intensity is not enough - Google Patents
Reinforced structure that shear force wall node concrete intensity is not enough Download PDFInfo
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- CN217841008U CN217841008U CN202221502799.0U CN202221502799U CN217841008U CN 217841008 U CN217841008 U CN 217841008U CN 202221502799 U CN202221502799 U CN 202221502799U CN 217841008 U CN217841008 U CN 217841008U
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Abstract
The utility model discloses a reinforcing structure with insufficient concrete strength of shear wall nodes in the technical field of building reinforcement, which comprises a reinforcing plate, angle steel and a flat pull plate; the two reinforcing plates are symmetrically and vertically clamped at two sides of the shear wall, the two reinforcing plates are locked through a restraining pull rod, and the restraining pull rod horizontally penetrates through the shear wall and is tightened on the reinforcing plates at the two sides; two the angle steel is pressed from both sides the corner at shear force wall and floor bottom, two through the restraint pull rod locking of level setting between the vertical face of angle steel, the restraint pull rod both ends are through high-strength nut locking of drawing, and this reinforcement structure that consolidates, the time limit for a project is short and economic nature is good, can better improve the compressive strength of shear force wall node concrete, and economic nature and suitability are higher, can effectively improve the deformability and the durability of shear force wall component simultaneously.
Description
Technical Field
The utility model relates to a building reinforcement technical field especially relates to a reinforced structure that shear force wall node concrete intensity is not enough.
Background
The shear wall structure is a structural form which is widely applied in engineering structures, and in practical engineering application, due to reasons of improper construction or material problems and the like, the situation that the strength of concrete of a node of the shear wall structure cannot meet design requirements often occurs, so that the rigidity and the strength of a member are weakened, the bearing capacity is reduced, and the structural deformation is increased. In addition, durability and crack resistance of the structural member are adversely affected, and generation and development of cracks are accelerated. Therefore, reasonable and reliable reinforcement measures need to be taken for the shear wall structure with the problems so as to achieve the purpose of reliably reinforcing the shear wall.
For reinforcement modes with insufficient concrete strength of nodes of the shear wall structure, a section-enlarging reinforcement method and a replacement concrete reinforcement method are mainly adopted.
The method for reinforcing the section by increasing can indirectly improve the axial compression performance of the shear wall, has simple process, mature design and construction experience and low reinforcing cost, and can effectively improve the bearing capacity and rigidity of the member, but the method has the advantages of large workload, long maintenance period, more building space occupation, increased structure dead weight, influence on the use area of the building, consideration of steel bar anchoring, large reinforcing capacity and relatively high construction cost;
the replacement concrete reinforcement method does not influence the using area of a building, but for a built high-rise building, construction is conducted in sections, effective support is needed, the risk is high, the construction period is relatively long, reinforcing steel bars are dense at nodes, the reinforcing steel bars are prone to being damaged in the chiseling process, and safety is difficult to guarantee.
Based on this, the utility model designs a reinforced structure that shear force wall node concrete intensity is not enough to solve above-mentioned problem.
Disclosure of Invention
An object of the utility model is to provide a reinforced structure that shear force wall node concrete intensity is not enough, this reinforcement structure, the time limit for a project is short and economic nature is good, can better improve the compressive strength of shear force wall node concrete, and economic nature and suitability are higher, can effectively improve the deformability and the durability of shear force wall component simultaneously.
The utility model discloses a realize like this: the utility model provides a reinforced structure that shear force wall node concrete intensity is not enough, includes:
a reinforcing plate, angle steel and a flat pull plate;
the reinforcing plate and the flat pull plate are flat plates;
the two reinforcing plates are symmetrically and vertically clamped at two sides of the shear wall, the two reinforcing plates are locked through a restraining pull rod, and the restraining pull rod horizontally penetrates through the shear wall and is tightened on the reinforcing plates at the two sides;
the two angle steels are clamped at the corners of the shear wall and the bottom of the floor slab, the vertical surfaces of the two angle steels are locked by a horizontally arranged constraint pull rod,
the two flat pull plates are covered on the top of the floor slab, one flat pull plate is locked with one angle steel through a vertically arranged constraint pull rod, and each flat pull plate is correspondingly arranged right above one angle steel;
and two ends of the restraint pull rod are locked through high-strength nuts in a counter-pulling manner.
Furthermore, the vertical surfaces of the angle steels are clamped outside the two reinforcing plates on the two sides of the shear wall, and the horizontal surfaces of the angle steels are attached to the bottom of the floor slab.
Furthermore, the reinforcing plate, the angle steel and the flat pull plate extend and are fully distributed on the corner edges of the shear wall and the floor slab;
the thickness of the reinforcing plate, the angle steel and the flat pull plate is not less than 0.5cm.
Further, the reinforcing plate and the flat pull plate are flat steel plates
The utility model has the advantages that: 1. the reinforcing plates are clamped on the two sides of the shear wall of the key stress node, so that the compressive strength of the shear wall node concrete is improved, and the deformability and the durability of the shear wall can be effectively improved;
2. adopt steel sheet and restraint pull rod combination to consolidate, need not demolish processes such as wall anchor or pour again, construction speed is fast, does not increase original structure dead weight basically, and does not have to show the influence to original structure outward appearance and original space after consolidating, and more suitable shear force wall is consolidated, can not destroy shear force wall original structural strength.
Drawings
The present invention will be further described with reference to the following examples and drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side view of the shear wall according to the present invention after installation;
fig. 3 is an assembly state diagram of the stripping shear wall of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-reinforcing plate, 2-angle steel, 3-flat pull plate and 4-constraint pull rod.
Detailed Description
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a reinforced structure that shear force wall node concrete intensity is not enough, includes:
the steel plate comprises a reinforcing plate 1, angle steel 2 and a flat pull plate 3;
the reinforcing plate 1 and the flat pull plate 3 are flat plates;
the two reinforcing plates 1 are symmetrically and vertically clamped at two sides of the shear wall, the two reinforcing plates 1 are locked through restraint pull rods 4, and the restraint pull rods 4 horizontally penetrate through the shear wall and are tensioned on the reinforcing plates 1 at the two sides;
the two angle steels 2 are clamped at the corners of the shear wall and the bottom of the floor slab, the vertical surfaces of the two angle steels 2 are locked by a constraint pull rod 4 which is horizontally arranged,
the two flat pull plates 3 are covered and pressed on the top of the floor slab, one flat pull plate 3 and one angle steel 2 are locked through a vertically arranged constraint pull rod 4, and each flat pull plate 3 is correspondingly arranged right above one angle steel 2;
the two ends of the constraint pull rod 4 are locked in a split mode through the high-strength nuts, the construction period is short, the economy is good, the compressive strength of the shear wall node concrete can be improved well, the economy and the applicability are high, and meanwhile the deformability and the durability of the shear wall component can be improved effectively.
The vertical surfaces of the angle steels 2 are clamped outside the two reinforcing plates 1 on the two sides of the shear wall, and the horizontal surfaces of the angle steels 2 are attached to the bottom of a floor slab, so that the angle steels 2 and the shear wall are clamped, and the reinforcing plates 1 and the shear wall are clamped together to form an integral stress structure;
the reinforcing plate 1, the angle steel 2 and the flat pull plate 3 extend and are fully distributed on the corner edges of the shear wall and the floor slab;
the thicknesses of the reinforcing plate 1, the angle steel 2 and the flat pull plate 3 are not less than 0.5cm, the dead weight is reduced as far as possible while the strength is ensured, and the shear wall can be sufficiently reinforced only by greatly increasing the thickness of the reinforcing plate 1, and the thicknesses of the angle steel 2 and the flat pull plate 3 are 0.5 cm;
the reinforcing plate 1 and the flat pull plate 3 are flat steel plates, and the integrity of the shear wall is improved by small weight increase, so that the shear wall has higher stress strength;
the constraint pull rod 4 is a high-strength and high-strength threaded rod, and the reinforcing plate 1, the angle steel 2 and the flat pull plate 3 which are clamped with each other can be locked on the shear wall through high-strength bolts at two ends, so that higher pulling strength is achieved, integral stress is formed, and a stronger supporting effect is generated.
In a specific embodiment of the present invention:
the embodiment of the utility model provides a through providing a reinforcing structure that shear force wall node concrete intensity is not enough, the utility model discloses the technical problem that meets is: 1. the prior art adopts an anchoring mode, so that the strengthening workload is large, the construction cost is high, the maintenance period is long, and the original large using area is occupied; 2. the replacement concrete reinforcement method does not need to be used for construction of built high-rise buildings in sections for multiple times, and in the construction process, effective support needs to be adopted for the existing structure, so that the risk is high, the construction is easy to cause building deflection due to insufficient support, the construction period is relatively long, and the risk is high; 3. the reinforcing steel bars are often denser at the nodes, and the chiseling process needs to use multiple devices to peel off the concrete from the reinforcing steel bars, so that accidental injury is easily caused, the reinforcing steel bars are damaged, and the safety is difficult to guarantee.
The utility model solves the technical problem that: through a simple structure, the time limit for a project is short, and the risk is little, and the reinforcement structure that the cost is low effectively reinforces the shear force wall to improve its deformability and durability, thereby increase the compressive strength of shear force wall.
The realized technical effects are as follows: 1. the reinforcing plates 1 are clamped on the two sides of the shear wall of the key stress node, so that the compressive strength of the shear wall node concrete is improved, the deformability and the durability of the shear wall can be effectively improved, and the construction period is short;
2. the reinforcing plates 1 on the two sides are combined with the constraint pull rods 4, and the top flat pull plates 3 and the angle steel 2 at the corner are used for reinforcing, so that the shear wall is reinforced, the shear wall and the floor slab are combined and reinforced, the stress strength of the shear wall is greatly improved, and the original methods of removing the shear wall, pouring again and the like cannot be used for pouring together with the floor slab;
3. this device need not demolish processes such as wall anchor or pour again, and construction speed is fast, does not increase original structure dead weight basically, and does not have to show the influence to original structure outward appearance and original space after consolidating, and the more suitable shear force wall is consolidated, can detect the reinforcing bar position originally through the reinforcing bar detection instrument moreover, according to the inside reinforcing bar position originally of shear force wall, dodges, can not destroy shear force wall original structural strength.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking as follows:
for better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
When the shear wall reinforcing plate is manufactured, a steel plate with a smooth gauge block is required to be manufactured firstly as the reinforcing plate 1, the thickness of the reinforcing plate 1 is 1cm, and the reinforcing plate 1 is required to be attached to the shear wall, so that the length of the reinforcing plate 1 in the horizontal direction is required to cover the width of the whole shear wall, the area of the reinforcing plate 1 is required to ensure the area of a node which is required to be reinforced and covers the shear wall, and the reinforcing plate 1 is required to manufacture two steel plates with the same shape and size;
the horizontal pulling plate 3 is also a flat steel plate, the length of the horizontal pulling plate also needs to extend to cover the width of the whole shear wall, and two horizontal pulling plates 3 are also needed;
then, the method is installed on site, two reinforcing plates 1 are additionally arranged on two sides of a shear wall, positions need to be found accurately, then holes need to be drilled in the shear wall, water penetrates through the shear wall when the holes are drilled, the corresponding positions on the reinforcing plates 1 need to be drilled, then the two identical reinforcing plates 1 are locked by a plurality of constraint pull rods 4, the constraint pull rods 4 are high-strength bolts, and the two reinforcing plates 1 are clamped on two sides of the shear wall; according to the size of the reinforcing plate 1, different numbers of constraint pull rods are used, three rows of constraint pull rods 4 are needed, and at least 4 constraint pull rods 4 are needed in each row;
then, angle steels 2 are arranged at corners of a floor slab and a shear wall and just fit with corners of a wall body, the vertical side, which is fit with the shear wall, of each angle steel 2 is just aligned with a row of constraint pull rods 4 at the top of a reinforcing plate 1 and locked by the same constraint pull rods, so that the reinforcing ribs 2 are clamped outside the reinforcing plate 1, the shear wall and the reinforcing plate 1 are clamped into a whole by the two angle steels 2, a flat pull plate 3 is horizontally arranged at the top of the floor slab, the flat pull plate 3 needs to be matched with the position of the angle steel 2, the horizontal side of each angle steel 2 is fit with the bottom of the floor slab, the flat pull plate 3 and the angle steel 2 are locked in the vertical direction by the constraint pull rods 4, holes are drilled in the floor slab, and the flat pull plates and the angle steels 2 are locked by penetrating the constraint pull rods 4;
the length of the horizontal direction of the flat pull plate 3 is 10cm, the length of the flat pull plate 3 needs the length of the reinforcing plate 1 and the length of the angle steel 2 to be the same, namely, the shear wall can be covered for reinforcing the length, one side of the flat pull plate 3 is flush with the horizontal side of the angle steel 2, the other side of the flat pull plate 3 is abutted against and flush with the corner edge of the shear wall and the floor slab, and the shear wall and the floor slab are clamped tightly by the flat pull plate 3 and the angle steel 2.
Each side surface of the flat pull plate 3 and the angle steel 2 only needs to be locked with one row of constraint pull rods 4, the constraint pull rods 4 are high-strength threaded rods commonly used in the building field, two ends of each constraint pull rod are locked by high-strength bolts, and a tension force is generated after the constraint pull rods are locked, so that the reinforcing plate 1, the flat pull plate 3 and the angle steel 2 are tensioned to form an integral stress.
The top of the floor slab in the embodiment refers to the floor formed by the floor slab in the previous building in a room; and the bottom of the floor slab refers to a roof formed by the floor slab in a room in the next floor of building. The embodiment of the utility model provides a through providing a reinforcing structure that shear force wall node concrete intensity is not enough, the utility model discloses the technical problem that meets is: 1. the prior art adopts an anchoring mode, so that the strengthening workload is large, the construction cost is high, the maintenance period is long, and the original large using area is occupied; 2. the replacement concrete reinforcement method does not need to be used for construction of built high-rise buildings in sections for multiple times, and in the construction process, effective support needs to be adopted for the existing structure, so that the risk is high, the construction is easy to cause building deflection due to insufficient support, the construction period is relatively long, and the risk is high; 3. the reinforcing steel bars are often denser at the nodes, and the chiseling process needs to use multiple devices to peel off the concrete from the reinforcing steel bars, so that accidental injury is easily caused, the reinforcing steel bars are damaged, and the safety is difficult to guarantee.
The utility model solves the technical problems that: through a simple structure, the time limit for a project is short, and the risk is little, and the reinforcement structure that the cost is low effectively reinforces the shear force wall to improve its deformability and durability, thereby increase the compressive strength of shear force wall.
The realized technical effects are as follows: 1. the reinforcing plates 1 are clamped on the two sides of the shear wall of the key stress node, so that the compressive strength of the shear wall node concrete is improved, the deformability and the durability of the shear wall can be effectively improved, and the construction period is short;
4. the reinforcing plates 1 on the two sides are combined with the constraint pull rods 4, and the top flat pull plates 3 and the angle steel 2 at the corners are used for reinforcing, so that not only is the shear wall reinforced, but also the shear wall and the floor slab are combined and reinforced, the stress strength of the shear wall is greatly improved, and the original methods of dismantling the shear wall, pouring again and the like cannot be poured together with the floor slab;
5. this device need not demolish processes such as wall anchor or pour again, and construction speed is fast, does not increase original structure dead weight basically, and does not have to show the influence to original structure outward appearance and original space after consolidating, and the more suitable shear force wall is consolidated, can detect the reinforcing bar position originally through the reinforcing bar detection instrument moreover, according to the inside reinforcing bar position originally of shear force wall, dodges, can not destroy shear force wall original structural strength.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows:
in order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
When the shear wall reinforcing plate is manufactured, a steel plate with a smooth gauge block is required to be manufactured firstly as the reinforcing plate 1, the thickness of the reinforcing plate 1 is 1cm, and the reinforcing plate 1 is required to be attached to the shear wall, so that the length of the reinforcing plate 1 in the horizontal direction is required to cover the width of the whole shear wall, the area of the reinforcing plate 1 is required to ensure the area of a node which is required to be reinforced and covers the shear wall, and the reinforcing plate 1 is required to manufacture two steel plates with the same shape and size;
the horizontal pulling plate 3 is also a flat steel plate, the length of the horizontal pulling plate also needs to extend to cover the width of the whole shear wall, and two horizontal pulling plates 3 are also needed;
angle steel is also used as angle steel 2, the length of the angle steel 2 is also the same as the width of the shear wall, the size can be cut on site according to the size of a node needing to be reinforced of the shear wall, and the angle steel 2 also needs two same sizes for standby;
then, the method is installed on site, two reinforcing plates 1 are additionally arranged on two sides of a shear wall, positions need to be found accurately, then holes need to be drilled in the shear wall, water penetrates through the shear wall when the holes are drilled, corresponding positions on the reinforcing plates 1 also need to be drilled, then the two identical reinforcing plates 1 are locked by a plurality of constraint pull rods 4, the constraint pull rods 4 are high-strength bolts, and the two reinforcing plates 1 are clamped on two sides of the shear wall; according to the size of the reinforcing plate 1, different numbers of constraint pull rods are used, three rows of constraint pull rods 4 are needed, and at least 4 constraint pull rods 4 are needed in each row;
then, installing angle steels 2 at corners of a floor and a shear wall, just fitting with corners of a wall body, clamping the reinforcement 2 outside the reinforcement plate 1 by using the same constraint pull rod at the vertical side where the angle steels 2 are fitted with the shear wall, just aligning with a row of constraint pull rods 4 at the top of the reinforcement plate 1, and locking by using the same constraint pull rod, so that the shear wall and the reinforcement plate 1 are clamped into a whole by using the two angle steels 2, horizontally installing a flat-pull plate 3 at the top of the floor, matching the flat-pull plate 3 with the position of the angle steels 2, fitting the horizontal side of the angle steels 2 with the bottom of the floor, locking the flat-pull plate 3 and the angle steels 2 in the vertical direction by using the constraint pull rod 4, and drilling holes on the floor for penetrating the constraint pull rods 4 to lock the flat-pull plate and the angle steels 2;
the horizontal direction width 10cm of drag-and-drop board 3 can, and drag-and-drop board 3 length needs gusset plate 1 and angle steel 2 the same length, just to cover the shear force wall and strengthen length promptly can, and drag-and-drop board 3 one side flushes with the horizontal side of angle steel 2, and the opposite side of drag-and-drop board 3 leans on with the corner border of shear force wall and floor and flushes, makes drag-and-drop board 3 and angle steel 2 press from both sides the shear force wall with the floor tightly.
Each side surface of the flat pull plate 3 and each side surface of the angle steel 2 only need to be locked with one row of constraint pull rods 4, the constraint pull rods 4 are high-strength threaded rods commonly used in the field of buildings, two ends of each constraint pull rod are locked by high-strength bolts, and a tension force is generated after locking, so that the reinforcing plate 1, the flat pull plate 3 and the angle steel 2 are tensioned to form an integral stress;
each side of tie plate 3 and angle steel 2 all only need lock one row of restraint pull rod 4 can, through 4 both ends of restraint pull rod and the reinforcing steel plate rethread high strength bolt connection that the outside is glued, through the nut that excels in of screwing and then utilize restraint pull rod 4 to take up gusset plate 1, tie plate 3 and angle steel 2 that the position matches, utilize restraint pull rod 4 to hold the steel sheet of outside, play the constraint effect, reach the reinforcement effect.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (4)
1. The utility model provides a reinforced structure that shear force wall node concrete intensity is not enough which characterized in that includes: the steel plate comprises a reinforcing plate (1), angle steel (2) and a flat pull plate (3);
the reinforcing plate (1) and the flat pull plate (3) are flat plates;
the two reinforcing plates (1) are symmetrically and vertically clamped at two sides of the shear wall, the two reinforcing plates (1) are locked through restraint pull rods (4), and the restraint pull rods (4) horizontally penetrate through the shear wall and are tightened on the reinforcing plates (1) at the two sides;
the two angle steels (2) are clamped at the corners of the shear wall and the bottom of the floor slab, the vertical surfaces of the two angle steels (2) are locked by a horizontally arranged constraint pull rod (4),
the two flat pull plates (3) are covered and pressed on the top of a floor slab, one flat pull plate (3) and one angle steel (2) are locked through a vertically arranged constraint pull rod (4), and each flat pull plate (3) is correspondingly arranged right above one angle steel (2);
and two ends of the restraint pull rod (4) are locked by a high-strength nut in a counter-pulling manner.
2. The reinforcing structure with insufficient concrete strength for the shear wall node according to claim 1, characterized in that: the vertical surfaces of the angle steels (2) are clamped outside the two reinforcing plates (1) on two sides of the shear wall, and the horizontal surfaces of the angle steels (2) are attached to the bottom of the floor slab.
3. The reinforcing structure with insufficient concrete strength for the shear wall node according to claim 1, characterized in that: the thickness of the reinforcing plate (1), the thickness of the angle steel (2) and the thickness of the flat pull plate (3) are not less than 0.5cm.
4. The reinforcing structure with insufficient concrete strength for the shear wall node according to claim 1, characterized in that: the reinforcing plate (1) and the flat pull plate (3) are flat steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502799.0U CN217841008U (en) | 2022-06-16 | 2022-06-16 | Reinforced structure that shear force wall node concrete intensity is not enough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221502799.0U CN217841008U (en) | 2022-06-16 | 2022-06-16 | Reinforced structure that shear force wall node concrete intensity is not enough |
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| Publication Number | Publication Date |
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| CN217841008U true CN217841008U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221502799.0U Active CN217841008U (en) | 2022-06-16 | 2022-06-16 | Reinforced structure that shear force wall node concrete intensity is not enough |
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| CN (1) | CN217841008U (en) |
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- 2022-06-16 CN CN202221502799.0U patent/CN217841008U/en active Active
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