CN220848188U - Device for improving shrinkage crack of concrete of wall body of ultra-long basement - Google Patents
Device for improving shrinkage crack of concrete of wall body of ultra-long basement Download PDFInfo
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- CN220848188U CN220848188U CN202322691472.3U CN202322691472U CN220848188U CN 220848188 U CN220848188 U CN 220848188U CN 202322691472 U CN202322691472 U CN 202322691472U CN 220848188 U CN220848188 U CN 220848188U
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- 238000005336 cracking Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 238000007711 solidification Methods 0.000 description 9
- 230000008023 solidification Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a device for improving shrinkage cracks of concrete of an ultra-long basement wall, which comprises a prefabricated sealing template and a plurality of hollow strip-shaped anti-cracking members fixedly connected to one side of the prefabricated sealing template; the anti-cracking members are arranged at intervals along the length direction of the prefabricated sealing template; the cross section of each crack-preventing member is isosceles trapezoid; a stress deformation part is arranged on one side of each crack prevention member far away from the prefabricated sealing template, and the stress deformation parts are arranged along the length direction of the crack prevention members; the stress deformation part is a notch-shaped structure recessed from the outer surface of the crack-resistant member to the inside of the crack-resistant member; the prefabricated sealing template is a concrete member; the utility model has no need of dismantling, can adapt to different stresses and has low manufacturing cost.
Description
Technical Field
The utility model relates to a device for improving shrinkage cracks of concrete of an ultra-long basement wall, and belongs to the technical field of crack prevention construction of concrete.
Background
The ultra-long basement wall has the characteristics of higher height and longer wall length between adjacent frame columns, and under the condition of larger hydration heat in the concrete solidification process, temperature shrinkage cracks can be generated, so that hidden danger is caused to the basement wall.
Chinese patent publication No. CN215564429U discloses a device for improving shrinkage crack of concrete in ultra-long basement wall, which comprises a sealing template. The sealing template is provided with an anti-cracking structure on one side opposite to the wall body, and the cross section of the anti-cracking structure is of a ladder-shaped structure and is used for dispersing stress of concrete due to hydration heat in the hardening process; when the anti-cracking structure is square timber, the anti-cracking structure is removed after the wall is poured and molded, and is filled and compacted by impervious mortar, so that the construction efficiency is reduced due to more construction steps; when the anti-cracking structure is a thin-wall steel structural member, the anti-cracking structure has high manufacturing cost, poor rigidity and easy corrosion, and the construction cost is increased.
Disclosure of utility model
In order to overcome the problems, the utility model provides a device for improving the shrinkage crack of the concrete of the wall body of the ultra-long basement, which is free from dismantling, can adapt to different stresses and has low manufacturing cost.
The technical scheme of the utility model is as follows:
A device for improving shrinkage cracks of concrete of an ultra-long basement wall comprises a prefabricated sealing template and a plurality of hollow strip-shaped anti-cracking members fixedly connected to one side of the prefabricated sealing template; the anti-cracking members are arranged at intervals along the length direction of the prefabricated sealing template; the cross section of each crack-preventing member is isosceles trapezoid; a stress deformation part is arranged on one side of each crack prevention member far away from the prefabricated sealing template, and the stress deformation parts are arranged along the length direction of the crack prevention members; the stress deformation part is a notch-shaped structure recessed from the outer surface of the crack-resistant member to the inside of the crack-resistant member; the prefabricated sealing template is a concrete member.
Further, the stress deformation part is a V-shaped long groove formed by the inner concave of the outer surface of the anti-cracking member.
Further, each crack-preventing member is provided with a plurality of temperature conducting rods at intervals along the length direction, the temperature conducting rods are perpendicular to the crack-preventing members, and one ends of the temperature conducting rods, which are far away from the crack-preventing members, are provided with reinforcing steel bar connectors; two V-shaped short grooves formed by recessing inwards along the length direction of the temperature conducting rods are symmetrically arranged on the periphery of each temperature conducting rod, and the width of each V-shaped short groove is the same as that of each V-shaped long groove; each V-shaped short groove and the adjacent V-shaped long groove are arranged on the same vertical plane.
Further, the steel bar connecting piece is a groove which is formed by the inner concave of the outer surface of the temperature conduction rod and used for accommodating steel bars.
Further, a plurality of heat conducting fins are arranged on the outer surfaces of the two side plates of each anti-cracking member at intervals.
Furthermore, each anti-cracking member is provided with a plurality of through grooves at intervals along the length direction, the temperature transmission rods are sleeved in the through grooves, and two limit protrusions are symmetrically arranged on the through grooves; each temperature conducting rod is matched with the shape of the through groove, and two limiting groove groups corresponding to the limiting protrusions are symmetrically arranged on the periphery of each temperature conducting rod; each limit groove group comprises at least two limit grooves arranged along the length direction of the temperature conduction rod, and each limit groove is matched with the limit protrusion.
Further, one end of each temperature conduction rod, which is close to the anti-cracking member, extends outwards and passes through the prefabricated sealing template to be fixedly connected with the heat dissipation seat; and a plurality of heat dissipation fin plates are arranged at intervals on one side of the heat dissipation seat, which is far away from the prefabricated sealing template.
Further, the crack preventing member is composed of a heat conductive metal material.
Further, the temperature conducting rod and the heat radiating seat are both stainless steel castings.
The utility model has the following beneficial effects:
1. According to the utility model, the stress deformation part is arranged on one side of the crack prevention component far away from the prefabricated sealing template, so that the crack prevention component can deform along with stress generated by heat in the concrete solidification process, thereby preventing the wall from generating shrinkage cracks and ensuring the molding quality of the wall.
2. According to the utility model, the plurality of temperature conduction rods are arranged on each crack prevention member, one end of each temperature conduction rod is connected with the steel bar in the wall body, and the other end of each temperature conduction rod is connected with the heat dissipation seat, so that heat generated in the concrete solidification process is transmitted to the outside of the wall body through the temperature conduction rods, and the temperature difference in the wall body is reduced; the V-shaped short groove which is arranged on the same vertical surface with the stressed deformation part is formed in the periphery of the temperature conduction rod, so that the temperature conduction rod and the crack prevention member can deform along with the stress generated in the concrete solidification process so as to avoid shrinkage cracks.
3. According to the utility model, the prefabricated sealing template is manufactured by the concrete member, so that the prefabricated sealing template and the wall body can be integrated after the wall body is poured and molded, the subsequent template dismantling work is avoided, and the construction efficiency is effectively improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the present utility model.
Fig. 3 is a schematic view of the diagonal brace of the present utility model.
The reference numerals in the drawings are as follows:
1. Prefabricating a sealing template; 2. an anti-cracking member; 21. a side plate; 22. a heat conduction fin; 23. penetrating a groove; 231. a limit protrusion; 3. a force-receiving deformation part; 4. a temperature conduction rod; 41. v-shaped short grooves; 42. a limit groove group; 421. a limit groove; 5. a reinforcing bar connecting piece; 6. a heat dissipation seat; 61. a heat dissipation fin; 7. a wall body.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
Referring to fig. 1-3, a device for improving shrinkage crack of concrete of an ultra-long basement wall comprises a prefabricated sealing template 1 and a plurality of hollow strip-shaped crack-preventing members 2 fixedly connected to one side of the prefabricated sealing template 1; the plurality of anti-cracking members 2 are arranged at intervals along the length direction of the prefabricated sealing template 1; the cross section of each crack-preventing member 2 is isosceles trapezoid; a stress deformation part 3 is arranged on one side of each anti-cracking member 2 far away from the prefabricated sealing template 1, and the stress deformation parts 3 are arranged along the length direction of the anti-cracking members 2; the stress deformation part 3 is a notch-shaped structure which is recessed from the outer surface of the crack-resistant member 2 to the inside of the crack-resistant member; the prefabricated sealing template 1 is a concrete member; the crack-preventing member 2 deforms to different degrees along with the stressed stress through the notch-shaped structure, so that shrinkage cracks caused by too large stress in the concrete solidification process are avoided.
Further, the stress deformation part 3 is a V-shaped long groove formed by the concave outer surface of the anti-cracking member 2.
Further, each anti-cracking member 2 is provided with a plurality of temperature conducting rods 4 at intervals along the length direction, the temperature conducting rods 4 are perpendicular to the anti-cracking members 2, and one ends of the temperature conducting rods 4, which are far away from the anti-cracking members 2, are provided with reinforcing steel bar connectors 5; two V-shaped short grooves 41 concavely formed along the length direction of each temperature conduction rod 4 are symmetrically arranged on the periphery of each temperature conduction rod 4, and the width of each V-shaped short groove 41 is the same as that of each V-shaped long groove; each V-shaped short groove 41 and the adjacent V-shaped long groove are arranged on the same vertical plane; through the cooperation of V-arrangement short groove 41 and V-arrangement elongated slot, make temperature conduction pole 4 can conduct the heat that produces in the concrete solidification process, can take place the deformation along with the stress again, simultaneously steel bar connection piece 5 can help temperature conduction pole 4 to carry out quick location.
Further, the steel bar connecting piece 5 is a groove formed by recessing the outer surface of the temperature conducting rod 4 and used for accommodating steel bars.
Further, a plurality of heat conducting fins 22 are arranged on the outer surfaces of the two side plates 21 of each anti-cracking member 2 at intervals.
Further, each crack-preventing member 2 is provided with a plurality of through grooves 23 at intervals along the length direction thereof, the temperature transmission rod 4 is sleeved in each through groove 23, and two limit protrusions 231 are symmetrically arranged on each through groove 23; each temperature conducting rod 4 is adapted to the shape of the through groove 23, and two limiting groove groups 42 corresponding to the limiting protrusions 231 are symmetrically arranged on the periphery of each temperature conducting rod 4; each limiting groove group 42 comprises at least two limiting grooves 421 arranged along the length direction of the temperature conducting rod 4, and each limiting groove 421 is matched with the limiting protrusion 231; the length of the temperature transmission rod 4 penetrating into the wall body 7 is adjusted by adjusting the clamping of the limiting grooves 421 at different positions and the adjacent limiting protrusions 231 so as to adapt to the distance from the reinforcing steel bars in the wall body 7 with different thicknesses to the prefabricated sealing template 1.
Further, one end of each temperature conduction rod 4, which is close to the anti-cracking member 2, extends outwards and penetrates through the prefabricated sealing template 1 to be fixedly connected with the heat dissipation seat 6; a plurality of heat dissipation fin plates 61 are arranged at intervals on one side of the heat dissipation seat 6 far away from the prefabricated sealing template 1; the heat dissipation fin plates 61 continuously transfer heat generated in the concrete solidification process to the outside, so that temperature difference generated by the heat in the wall body 7 is reduced.
Further, the crack preventing member 2 is made of a heat conductive metal material.
Further, the temperature conducting rod 4 and the heat dissipation seat 6 are both stainless steel castings.
The working principle of the utility model is as follows:
Referring to fig. 1-3, after the binding work of the wall reinforcement cage is completed, the prefabricated sealing template 1 is installed around the wall 7, and at this time, the anti-cracking member 2 is placed on one side of the prefabricated sealing template 1 close to the wall 7.
Each temperature conduction rod 4 and the adjacent radiating seat 6 are of an integrated structure, and one end of each temperature conduction rod 4 far away from the radiating seat 6 is inwards concave to form a groove for accommodating the reinforcing steel bar; a temperature conduction rod 4 is sleeved in a through groove 23 on each crack-proof member 2: one end of the temperature conduction rod 4 provided with a groove sequentially penetrates through the prefabricated sealing template 1 and the penetrating groove 23 corresponding to the prefabricated sealing template, the limiting groove 421 on the outer surface of the temperature conduction rod 4 is embedded with the adjacent limiting protrusion 231, at the moment, the radiating seat 6 is arranged on one side of the prefabricated sealing template 1 far away from the wall 7, and the groove is connected with the adjacent reinforcing steel bars; in order to stabilize the connection of the temperature conducting rod 4 and the steel bar, the steel bar can be connected with the groove by adopting a welding mode, and then pouring of the wall 7 can be carried out.
In the forming process of the wall body 7, stress generated by concrete solidification can deform the anti-cracking member 2 and the temperature transmission rod 4, the anti-cracking member 2 and the temperature transmission rod 4 effectively release stress received by the anti-cracking member 2 and the temperature transmission rod 4 through the matching of the V-shaped long groove and the V-shaped short groove 41, the stress is transmitted to the anti-cracking member 2 through the heat conduction fins 22, the stress is transmitted to the heat dissipation seat 6 through the temperature transmission rod 4, and heat dissipation is carried out through the heat dissipation fin plates 61, so that shrinkage cracks caused by temperature difference in the concrete solidification process are avoided; after the wall 7 is cast and formed, the prefabricated sealing template 1 becomes a part of the wall 7, so that later disassembly can be avoided.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (9)
1. A device for improving shrinkage cracks of concrete of an ultra-long basement wall comprises a prefabricated sealing template (1) and a plurality of hollow strip-shaped anti-cracking members (2) fixedly connected to one side of the prefabricated sealing template (1); the anti-cracking members (2) are arranged at intervals along the length direction of the prefabricated sealing die plate (1); the cross section of each crack prevention component (2) is isosceles trapezoid, and is characterized in that: a stress deformation part (3) is arranged on one side of each anti-cracking member (2) far away from the prefabricated sealing die plate (1), and the stress deformation parts (3) are arranged along the length direction of the anti-cracking members (2); the stress deformation part (3) is a notch-shaped structure which is recessed from the outer surface of the anti-cracking member (2) to the inside of the anti-cracking member; the prefabricated sealing template (1) is a concrete member.
2. The device for improving shrinkage cracking of concrete of ultra-long basement wall according to claim 1, wherein: the stress deformation part (3) is a V-shaped long groove formed by the inner concave of the outer surface of the anti-cracking member (2).
3. The device for improving shrinkage cracking of concrete of ultra-long basement wall according to claim 2, wherein: each crack-resistant member (2) is provided with a plurality of temperature conducting rods (4) at intervals along the length direction, the temperature conducting rods (4) are perpendicular to the crack-resistant members (2), and one ends of the temperature conducting rods (4) far away from the crack-resistant members (2) are provided with reinforcing steel bar connectors (5); two V-shaped short grooves (41) formed by concave inward along the length direction of the temperature conducting rods (4) are symmetrically arranged on the periphery of each temperature conducting rod, and the width of each V-shaped short groove (41) is the same as that of each V-shaped long groove; each V-shaped short groove (41) and the adjacent V-shaped long groove are arranged on the same vertical plane.
4. A device for improving shrinkage cracking of concrete in an ultra-long basement wall according to claim 3, wherein: the steel bar connecting piece (5) is a groove which is formed by the inner concave of the outer surface of the temperature conducting rod (4) and used for accommodating steel bars.
5. The device for improving shrinkage cracking of concrete of an ultra-long basement wall according to claim 4, wherein: the outer surfaces of the two side plates (21) of each anti-cracking member (2) are provided with a plurality of heat conducting fins (22) at intervals.
6. The device for improving shrinkage cracking of concrete of an ultra-long basement wall according to claim 5, wherein: each crack-proof member (2) is provided with a plurality of through grooves (23) at intervals along the length direction, the temperature transmission rod (4) is sleeved in each through groove (23), and two limit protrusions (231) are symmetrically arranged on each through groove (23); each temperature conducting rod (4) is matched with the shape of the through groove (23), and two limiting groove groups (42) corresponding to the limiting protrusions (231) are symmetrically arranged on the periphery of each temperature conducting rod (4); each limit groove group (42) comprises at least two limit grooves (421) which are arranged along the length direction of the temperature transmission rod (4), and each limit groove (421) is matched with the limit protrusion (231).
7. The device for improving shrinkage cracking of concrete of an ultra-long basement wall according to claim 6, wherein: one end of each temperature conduction rod (4) close to the anti-cracking member (2) extends outwards and penetrates through the prefabricated sealing die plate (1) to be fixedly connected with the heat dissipation seat (6); and a plurality of radiating fin plates (61) are arranged at intervals on one side of the radiating seat (6) away from the prefabricated sealing die plate (1).
8. An apparatus for improving shrinkage cracking of concrete in ultra-long basement wall according to any one of claims 1 to 7, wherein: the crack prevention member (2) is composed of a heat conductive metal material.
9. The device for improving shrinkage cracking of concrete of an ultra-long basement wall according to claim 7, wherein: the temperature conduction rod (4) and the heat dissipation seat (6) are both stainless steel castings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691472.3U CN220848188U (en) | 2023-10-08 | 2023-10-08 | Device for improving shrinkage crack of concrete of wall body of ultra-long basement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322691472.3U CN220848188U (en) | 2023-10-08 | 2023-10-08 | Device for improving shrinkage crack of concrete of wall body of ultra-long basement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220848188U true CN220848188U (en) | 2024-04-26 |
Family
ID=90748812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322691472.3U Active CN220848188U (en) | 2023-10-08 | 2023-10-08 | Device for improving shrinkage crack of concrete of wall body of ultra-long basement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220848188U (en) |
-
2023
- 2023-10-08 CN CN202322691472.3U patent/CN220848188U/en active Active
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