CN220789842U - Inclined-elevation type retaining wall top concrete foundation template - Google Patents
Inclined-elevation type retaining wall top concrete foundation template Download PDFInfo
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- CN220789842U CN220789842U CN202322530015.6U CN202322530015U CN220789842U CN 220789842 U CN220789842 U CN 220789842U CN 202322530015 U CN202322530015 U CN 202322530015U CN 220789842 U CN220789842 U CN 220789842U
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- 238000009415 formwork Methods 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 238000005266 casting Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Abstract
The utility model relates to an inclined upward retaining wall top concrete foundation formwork which comprises a front formwork, a rear formwork, side formwork counter-pulling screws and supporting screws, wherein the front formwork is fixedly connected with the rear formwork; the front template is vertically arranged, a square box is fixed on the upper part of the inner surface of the front template, the rear template is clung to the inclined bottom surface of the retaining wall and extends upwards, supporting screws are penetrated on the upper parts of the front template and the rear template, and positioning nuts are connected on the supporting screws in a threaded manner; the front and the rear templates are penetrated with opposite-pull screws. The utility model provides a simple and reliable template and a formwork structure, so that a concrete foundation can be integrally poured to obtain a stepped surface and an inclined upward surface, the problems of complicated step surface layered pouring procedures of the concrete foundation, complex inclined upward surface fixing structure and high cost are solved, the requirement of pouring the concrete foundation on an inclined upward retaining wall is met, the construction efficiency is improved, the construction workload is reduced, the construction cost is reduced, and the concrete foundation is very suitable for the inclined upward retaining wall with continuously arranged pouring areas.
Description
Technical Field
The utility model relates to the technical field of concrete construction, in particular to a concrete foundation formwork for a slope retaining wall top.
Background
Retaining walls are commonly used on hillsides, roads, and some roads or public works projects, especially highways, require guardrails to be provided on the retaining wall to meet safety and regulatory requirements according to road and traffic regulations. Because the manner of digging on the retaining wall to embed the guardrail piles damages the self structure of the retaining wall, concrete foundations are usually poured on the top of the retaining wall to fix the guardrail piles.
The surface of the retaining wall surface, which is opposite to the hillside, is usually provided with a stepped surface, namely a retaining wall foot, which can disperse soil pressure and reduce the lateral force of impact when sand falls, so that the retaining wall is prevented from sliding, and the stability of the retaining wall structure is enhanced; however, when a concrete foundation is poured on the top of the retaining wall, a part of retaining wall footing is often flattened due to space limitation, and in consideration of structural stability, a stepped surface is usually formed on the concrete foundation to form the retaining wall footing; in addition, the side wall of the inclined retaining wall is inclined, so that the side earth pressure is reduced, better shock resistance is provided, and the structure is more attractive; as shown in fig. 1, which is a structural diagram of a concrete foundation cast on a tilt-up retaining wall top, the following challenges are presented by the desire to cast a concrete foundation on a tilt-up retaining wall top:
(1) One side surface of the concrete foundation is a stepped surface, which may require layered pouring, has complicated procedures, increases labor and time costs, and leaves a template mark at the joint so as to influence the appearance quality;
(2) The other side of concrete foundation is the slope face of leaning upward, like fig. 1, and the right side template is left slope, can adopt to build the scaffold frame to fix the template among the prior art, but because the height of retaining wall self, the scaffold frame needs to build higher height, and the retaining wall can be along the continuous longer distance of mountain body generally, and the cost of building the scaffold frame in succession can be very high.
In summary, a concrete foundation formwork for a retaining wall top is needed, so that the problems of joint and cost caused by integral pouring and layered pouring are solved, a simple and reliable fixing structure is provided, and the high cost of building a scaffold is avoided.
Based on this, it is necessary to study a tilt-up type retaining wall top concrete foundation form.
Disclosure of Invention
In view of the above, the utility model aims to provide the inclined retaining wall top concrete foundation formwork, which can effectively solve the problems of complicated step surface layered pouring procedures of the concrete foundation, complex inclined face formwork fixing structure and high cost.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a concrete foundation template for a tilt retaining wall top comprises a front template, a rear template, side template counter-pulling screws and supporting screws; the front template, the rear template and the side templates are arranged on the retaining wall and are surrounded to form a pouring space;
the front templates are vertically arranged, a square box is fixed on the upper part of the inner surface of the front templates, and the top surface of the square box is the top surface of the pouring space, so that the pouring space is provided with a step surface; a concrete slab is fixed on the reinforcement cage, and the lower part of the front template is abutted against the concrete slab;
the rear template is clung to the inclined bottom surface of the retaining wall and extends upwards, so that the pouring space is provided with the inclined bottom surface matched with the retaining wall;
the upper parts of the front template and the rear template are penetrated with supporting screws which are distributed above the pouring space, two groups of positioning nuts are connected with the supporting screws in a threaded manner, and the two groups of positioning nuts respectively lean against the inner surfaces of the front template and the rear template;
the front template and the rear template are oppositely penetrated with opposite-pull screws, the opposite-pull screws are sleeved with backing plates and are attached to the rear template through the backing plates, one side surface of each backing plate is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear template.
Further, the square box comprises a transverse plate and a vertical plate, wherein two groups of transverse plates are arranged at intervals, the transverse plates are connected with the front template through angle steel and bolts, the transverse plates are connected with the vertical plate through angle steel and threads, and the side walls of the transverse plates and the side walls of the vertical plate are attached to the side templates.
Further, the two groups of positioning nuts are respectively abutted against the inner surfaces of the front template and the rear template through cushion blocks, each cushion block comprises a first cushion block and a second cushion block, and two side surfaces of each first cushion block are vertical surfaces and respectively abutted against the front template and the positioning nuts; one side surface of the second cushion block is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear template.
Further, two groups of opposite-pull screws are vertically arranged, one group of opposite-pull screws is distributed on the upper portion of the pouring space and penetrates through the square box, and the other group of opposite-pull screws is distributed on the lower portion of the pouring space and penetrates through the concrete slab.
Further, vertical ribs are arranged on the outer surfaces of the front template and the rear template, transverse ribs are arranged on the vertical ribs, and the vertical ribs and the transverse ribs are fixed on the front template and the rear template through opposite-pull screws; the backing plate is arranged between the vertical ridge and the transverse ridge.
The beneficial effects of the technical scheme are as follows:
(1) According to the utility model, the supporting screw is adopted as a limiting supporting point at the upper part of the template, the concrete blocks bound on the reinforcement cage or the side wall of the retaining wall are adopted as limiting supporting points at the lower part of the template, then the opposite-pulling screw is adopted to tighten and fix the front template and the rear template, so that the supporting structure is simple and reliable, a large number of scaffolds are directly avoided from being built outside the retaining wall, the problem of high cost for continuously building the scaffolds aiming at the inclined face is solved, the construction efficiency is improved, the construction workload is reduced, the construction cost is reduced, and the inclined retaining wall is very suitable for the inclined retaining wall with continuously arranged pouring areas.
(2) According to the utility model, the square box is fixed on the inner surface of the front template, so that the casting space is provided with a step surface, the integrated casting can be realized, and complicated procedures caused by layered casting and appearance flaws caused by template marks are avoided; in addition, the structure of the square box is adopted, so that the integral structure of the front template is ensured, and the structure has better stability compared with a method for splitting and splicing the front template into a stepped structure, so that the fixing point of the opposite-pulling screw on the front template is firmer.
In summary, the utility model provides a simple and reliable template and a formwork structure, so that a step surface and an inclined upward surface can be obtained by integrally pouring a concrete foundation, the problems of complicated step surface layered pouring procedures of the concrete foundation, complex inclined upward surface fixing structure and high cost are solved, the requirement of pouring the concrete foundation on an inclined upward retaining wall is met, the construction efficiency is improved, the construction workload is reduced, the construction cost is reduced, and the inclined upward retaining wall is very suitable for continuously arranging pouring areas.
Drawings
FIG. 1 is a block diagram of a tilt-up retaining wall top cast concrete foundation;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
fig. 5 is a partial enlarged view at B in fig. 2.
Reference numerals: 1 is a front template, 2 is a rear template, 3 is a side template, 4 is a counter screw, 5 is a supporting screw, 6 is a square box, 7 is a reinforcement cage, 8 is a concrete slab, 9 is a retaining wall, 10 is a backing plate, 11 is a cushion block, 12 is a vertical ridge, 13 is a transverse ridge, 14 is a guardrail pile, 15 is a cylinder, 16 is a concrete foundation, 501 is a positioning nut, 601 is a transverse plate, 602 is a vertical plate, 603 is an angle steel, 901 is a retaining footing, 1101 is a first cushion block, and 1102 is a second cushion block.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
the embodiment aims to provide a concrete foundation template for a top of an inclined retaining wall, which is mainly used for pouring a concrete foundation 16 for fixing guardrail piles 14 on the inclined retaining wall 9 and aims to solve the problems of complex step surface layered pouring procedures of the concrete foundation 16, complex inclined face template fixing structure and high cost.
A concrete foundation formwork for a tilt retaining wall top, as shown in figure 2, comprises a front formwork 1, a rear formwork 2, side formworks 3, a counter-pulling screw 4 and a supporting screw 5; as shown in fig. 1, both sides of the inclined retaining wall 9 are inclined upward to the left, the left faces the hillside, and the retaining footing 901 is disposed on the left, and since pouring the concrete foundation 16 covers a part of the retaining footing 901, a step surface is to be formed on the left side of the concrete foundation 16 to form the retaining footing 901, so as to ensure the impact resistance of the retaining wall 9, and in other embodiments, even if the concrete foundation 16 does not cover the retaining footing 901, a step surface is formed on the concrete foundation 16 in order to further improve the impact resistance of the retaining wall 9.
As shown in fig. 1 and fig. 2, the reinforcement cage 7 is buried and tied up on the retaining wall 9 by the reinforcement planting method, in order to facilitate the fixing of the subsequent guardrail piles 14, the cylinder 15 is buried in the reinforcement cage 7 in advance, and after the pouring is completed, the guardrail piles 14 are inserted into the cylinder 15 and fixed, and the cylinder 15 is buried in advance in the prior art, which is not repeated herein.
As shown in fig. 2 and 3, a casting space is formed by surrounding the front template 1, the rear template 2 and the side templates 3; the sideform 3 is fixed on the retaining wall 9, and the fixing mode of the sideform 3 is conventional prior art and is not described in detail herein; a square box 6 is fixed on the inner surface of the front template 1, and the square box 6 occupies a part of pouring space, so that a poured concrete foundation 16 is provided with a step surface; as shown in fig. 2, a concrete slab 8 is tied and fixed on the reinforcement cage 7, and the lower part of the front template 1 is abutted against the concrete slab 8 and provides a supporting point for the lower part of the front template 1.
As shown in fig. 4, the square box 6 comprises a transverse plate 601 and a vertical plate 602, wherein two groups of transverse plates 601 are arranged at intervals, the transverse plates 601 are connected with the vertical plate 602 through angle steel 603 by screws, so that the two transverse plates 601 and the vertical plate 602 are spliced into a U-shaped structure, the screws are fixed from the inner wall, screw heads are prevented from being arranged on the outer wall of the square box 6, and the quality of a pouring surface is prevented from being influenced; the transverse plates 601 are connected with the front template 1 through angle steel 603 in a bolt way, and the side walls of the transverse plates 601 and the side walls of the vertical plates 602 extend to two sides and are attached to the side templates 3; in other embodiments, the square box 6 can also be directly nailed on the front template 1 by adopting a wooden square nail, or can be welded into an annular square frame by using an aluminum plate and then fixed on the front template 1.
The rear form 2 is closely attached to the inclined bottom surface of the retaining wall 9 and extends upward, as shown in fig. 2, the lower end of the rear form 2 is attached to the inclined bottom surface of the retaining wall 9, so that the casting space has the inclined bottom surface adapted to the retaining wall 9, and the bottom of the rear form 2 can be limited by the retaining wall 9;
the upper parts of the front template 1 and the rear template 2 are oppositely penetrated with supporting screws 5, as shown in fig. 2, the supporting screws 5 are distributed above the pouring area, so that the supporting screws 5 cannot be poured, two groups of positioning nuts 501 are connected to the supporting screws 5 in a threaded manner, and the two groups of positioning nuts 501 respectively lean against the inner surfaces of the front template 1 and the rear template 2 and provide supporting points for the front template 2 and the rear template 2.
The front and rear templates 2 are provided with opposite pulling screws 4 in a penetrating way, as shown in fig. 2, the opposite pulling screws 4 are sleeved with a base plate 10 and are attached to the rear templates 2 through the base plate 10, one side surface of the base plate 10 is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear templates 2 so as to be convenient for fixing the opposite pulling screws 4; the counter-pulling screw 4 provides inward counter-pulling force for the front and rear templates 2, then the upper part of the front template 1 is provided with inner limit support by the positioning nut 501 and the lower part by the concrete slab 8, and the upper part of the rear template 2 is provided with inner limit support by the positioning nut 501 and the lower part by the retaining wall 9 surface, so that the front and rear templates 2 can be fixed by the counter-pulling force.
In this embodiment, since the height of the concrete foundation 16 is not high, two groups of the split screws 4 are vertically arranged, as shown in fig. 2, one group is distributed at the upper part of the pouring space and passes through the square box 6, the other group is distributed at the lower part of the pouring space and passes through the concrete slab 8, so as to provide a better fixing effect, as shown in fig. 3, the split screws are arranged at intervals along the continuous direction of the hillside in the retaining wall 9, and the number of the split screws arranged at intervals along the continuous direction of the hillside is determined according to the actual lengths and construction requirements of the front and rear templates 2, and the illustration is only made; in other embodiments, if the concrete foundation 16 is high, multiple sets of split bolts may be provided in the middle to prevent expansion of the middle of the form.
In order to further improve the fixing effect of the templates, as shown in fig. 2, vertical edges 12 are arranged on the outer surfaces of the front template 1 and the rear template 2, transverse edges 13 are arranged on the vertical edges 12, and the vertical edges 12 and the transverse edges 13 are fixed on the front template 1 and the rear template 2 through opposite-pull screws 4; the backing plate 10 is arranged between the vertical ridge 12 and the transverse ridge 13, and the opposite-pulling screw 4 is fixed on the two adjacent transverse ridges 13.
In order to further improve the positioning effect of the positioning nuts 501 and reduce the damage of stress concentration to the templates, as shown in fig. 5, two groups of positioning nuts 501 respectively abut against the inner surfaces of the front and rear templates 2 through the cushion blocks 11, the cushion blocks 11 comprise a first cushion block 1101 and a second cushion block 1102, and two side surfaces of the first cushion block 1101 are vertical surfaces and respectively abut against the front template 1 and the positioning nuts 501; one side surface of the second cushion block 1102 is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear template 2.
Claims (5)
1. The inclined upward type retaining wall top concrete foundation formwork is characterized by comprising a front formwork, a rear formwork, side formwork counter-pulling screws and supporting screws; the front template, the rear template and the side templates are arranged on the retaining wall and are surrounded to form a pouring space;
the front templates are vertically arranged, a square box is fixed on the upper part of the inner surface of the front templates, and the top surface of the square box is the top surface of the pouring space, so that the pouring space is provided with a step surface; the retaining wall top is provided with a reinforcement cage, a concrete slab is fixed on the reinforcement cage, and the lower part of the front template is abutted against the concrete slab;
the rear template is clung to the inclined bottom surface of the retaining wall and extends upwards, so that the pouring space is provided with the inclined bottom surface matched with the retaining wall;
the upper parts of the front template and the rear template are penetrated with supporting screws which are distributed above the pouring space, two groups of positioning nuts are connected with the supporting screws in a threaded manner, and the two groups of positioning nuts respectively lean against the inner surfaces of the front template and the rear template;
the front template and the rear template are oppositely penetrated with opposite-pull screws, the opposite-pull screws are sleeved with backing plates and are attached to the rear template through the backing plates, one side surface of each backing plate is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear template.
2. A tilt-up retaining wall top concrete foundation formwork as defined in claim 1 wherein: the square box comprises transverse plates and vertical plates, two groups of transverse plates are arranged at intervals, the transverse plates are connected with the front templates through angle steel and bolts, the transverse plates are connected with the vertical plates through angle steel and threads, and the side walls of the transverse plates and the side walls of the vertical plates are attached to the side templates.
3. A tilt-up retaining wall top concrete foundation formwork as defined in claim 1 wherein: the two groups of positioning nuts are respectively abutted against the inner surfaces of the front template and the rear template through cushion blocks, each cushion block comprises a first cushion block and a second cushion block, and two side surfaces of each first cushion block are vertical surfaces and respectively abutted against the front template and the positioning nuts; one side surface of the second cushion block is a vertical surface, and the other side surface is an inclined bottom surface matched with the rear template.
4. A tilt-up retaining wall top concrete foundation formwork as defined in claim 1 wherein: two groups of opposite-pull screws are vertically arranged, one group of opposite-pull screws are distributed on the upper portion of the pouring space and penetrate through the square box, and the other group of opposite-pull screws are distributed on the lower portion of the pouring space and penetrate through the concrete slab.
5. A tilt-up retaining wall top concrete foundation formwork as defined in claim 1 wherein: the outer surfaces of the front template and the rear template are provided with vertical ribs, the vertical ribs are provided with transverse ribs, and the vertical ribs and the transverse ribs are fixed on the front template and the rear template through opposite-pull screws; the backing plate is arranged between the vertical ridge and the transverse ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322530015.6U CN220789842U (en) | 2023-09-18 | 2023-09-18 | Inclined-elevation type retaining wall top concrete foundation template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322530015.6U CN220789842U (en) | 2023-09-18 | 2023-09-18 | Inclined-elevation type retaining wall top concrete foundation template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220789842U true CN220789842U (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322530015.6U Active CN220789842U (en) | 2023-09-18 | 2023-09-18 | Inclined-elevation type retaining wall top concrete foundation template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220789842U (en) |
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2023
- 2023-09-18 CN CN202322530015.6U patent/CN220789842U/en active Active
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