CN219909028U - Foundation pit template structure convenient to construct - Google Patents
Foundation pit template structure convenient to construct Download PDFInfo
- Publication number
- CN219909028U CN219909028U CN202321249503.3U CN202321249503U CN219909028U CN 219909028 U CN219909028 U CN 219909028U CN 202321249503 U CN202321249503 U CN 202321249503U CN 219909028 U CN219909028 U CN 219909028U
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- Prior art keywords
- steel
- foundation pit
- purlin
- construction
- veneer
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- 238000010276 construction Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 238000009415 formwork Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000013049 sediment Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model relates to a foundation pit template structure convenient to construct, and relates to the field of sheet pile walls special for foundation engineering. According to the utility model, the U-shaped veneers are arranged, when in construction, the adjacent veneers face oppositely, the adjacent edges of the adjacent veneers are mutually buckled, when bearing larger pressure, the adjacent veneers can be tightly pulled, the bearing strength is high, and the adjacent veneers are not easy to be broken by concrete; and gaps between adjacent veneers can play a part of filtering role on sediment, so that sediment loss can be reduced; when the veneer is recovered, the veneer is pulled out in sequence, so that the construction is convenient.
Description
Technical Field
The utility model relates to the field of sheet pile walls special for foundation engineering, in particular to a foundation pit template structure convenient to construct.
Background
In the construction of the foundation pit, if the waterproof curtain fails and leaks, a large amount of accumulated water can be generated in the foundation pit. Because deeper ponding and silt exist in the foundation pit, the conventional enclosure leakage plugging mode cannot meet the construction requirements, and the plugging is performed by adopting a mode of pouring a concrete waterproof retaining wall layer again on the inner side.
In the related art, the traditional concrete waterproof retaining wall construction mode is a mode of supporting steel pipes and wood templates, and a hand hammer is manually used in a water accumulation area to drive the steel pipes into sludge at the bottom of a foundation pit to serve as a supporting beam; then, sand bags and steel pipes are additionally arranged on the outer sides of the supporting beams to serve as supports, and finally, templates are paved on the inner sides of the steel pipe supporting beams, so that concrete in the underwater area can be poured in advance; and after the strength of the concrete is formed, carrying out formwork erection and reinforcement construction again, and then pouring the concrete to seal the leakage of the position above the water accumulation area.
In actual use, the steel pipe and the template at the bottom of the foundation pit bear larger pressure, so that once the steel pipe or the template is deformed, concrete can leak outwards and wrap the steel pipe and the template, and after the concrete is solidified, the steel pipe and the template can not be recovered. Therefore, the inventor provides a foundation pit template structure convenient to construct.
Disclosure of Invention
In order to facilitate pouring of the concrete waterproof retaining wall, the utility model provides a foundation pit template structure convenient to construct.
The foundation pit template structure convenient to construct provided by the utility model adopts the following technical scheme:
the utility model provides a foundation ditch template structure of convenient construction, includes the steel form, the steel form includes the veneer of the approximate U-shaped of a plurality of cross-section outlines, the veneer is vertical to be inserted and is located in the foundation ditch, the veneer is arranged along the construction direction, adjacent the veneer is opposite and face limit mutual lock.
By adopting the technical scheme, a plurality of U-shaped veneers are arranged, when in construction, the adjacent veneers face oppositely, the adjacent edges of the adjacent veneers are mutually buckled, when bearing larger pressure, the adjacent veneers can be tightly pulled, the bearing strength is high, concrete can be taken up, and the veneers can be prevented from being leaked and wrapped by the concrete; and gaps between adjacent veneers can play a part of filtering role on sediment, so that sediment loss can be reduced; when the veneer is recovered, the veneer is pulled out in sequence, so that the construction is convenient.
Optionally, the upper end of steel form is fixed with and encloses the purlin, enclose the purlin perpendicular to veneer length direction is fixed.
Through adopting above-mentioned technical scheme, enclose the purlin at the upper end fixed of steel form, enclose the purlin and can improve the joint strength between the adjacent veneer, further prevention concrete emergence seepage.
Optionally, the enclosing purlin is provided with two groups of steel forms respectively located in both sides.
Through adopting above-mentioned technical scheme, set up two sets of purlins that enclose, can effectively improve holistic structural strength.
Optionally, the purlin is 150-250mm from the top of the veneer.
By adopting the technical scheme, the purlin is fixed in the range of 150-250mm away from the veneer top plate in the use process, and the structural strength is highest.
Optionally, the steel form pouring device further comprises inclined struts, wherein the inclined struts are obliquely arranged and distributed along the length direction of the enclosing purlin, one end of each inclined strut is inserted into the foundation pit and arranged on one side, far away from the pouring area, of the steel form, and the other end of each inclined strut is abutted to the enclosing purlin.
Through adopting above-mentioned technical scheme, be located the one side of keeping away from pouring the region at the steel form and set up the bracing, inwards push up the steel form through the bracing, can prevent pouring in-process steel form outside slope under the pressure of concrete.
Optionally, a hanging hole is formed in the top end of the single board.
By adopting the technical scheme, the hanging hole is formed in the top of the single board, so that the single board can be conveniently lifted and constructed.
Optionally, a conical insertion part is arranged at the lower end of the single plate.
By adopting the technical scheme, the conical insertion part is arranged at the lower end of the single board, so that the single board can be conveniently inserted into the ground.
Optionally, the single plate is set to be a U-shaped channel steel.
Through adopting above-mentioned technical scheme, set up the veneer into U-shaped channel-section steel, U-shaped channel-section steel is convenient to acquire, can reduce use cost.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. by arranging a plurality of U-shaped single plates, when in construction, the adjacent single plates face oppositely, the adjacent edges of the adjacent single plates are mutually buckled, when bearing larger pressure, the adjacent single plates can be tightly pulled, the bearing strength is high, concrete can be covered, the single plates can be prevented from being wrapped by concrete leakage, gaps between the adjacent single plates can play a part of filtering effect on sediment, the loss of sediment can be reduced, and when in recovery, the single plates are pulled out in sequence, so that the construction is convenient;
2. the surrounding purlin is fixed at the upper end of the steel template, so that the connection strength between adjacent veneers can be improved, and concrete leakage is further prevented;
3. through setting up the bracing in the one side that the steel form is located and keep away from pouring the region, inwards push up the steel form through the bracing, can prevent to pour the in-process steel form under the pressure of concrete outwards slope.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
fig. 2 is a top view of an embodiment of the present utility model.
Reference numerals: 1. a steel template; 11. a single board; 111. a hanging hole; 112. an insertion section; 2. enclosing purlin; 3. and (5) diagonal bracing.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a foundation pit template structure convenient to construct, and referring to fig. 1 and 2, the foundation pit template structure comprises a steel template 1 and an enclosing purlin 2. The steel template 1 comprises a plurality of single plates 11, wherein the single plates 11 are arranged into U-shaped channel steel, the single plates 11 are vertically inserted into a foundation pit and are sequentially arranged along the construction direction, the openings of adjacent single plates 11 face opposite, and the side edges of the adjacent single plates 11 are mutually buckled; the enclosing purlin 2 is arranged as U-shaped channel steel, the enclosing purlin 2 is welded and fixed on the steel template 1 along the installation direction of the steel template 1, and the enclosing purlin 2 is perpendicular to the length direction of the veneer 11. In the casting process, adjacent veneers 11 are mutually buckled, so that the veneers 11 can be effectively prevented from deforming; and enclosing purlin 2 is fixed at the top of veneer 11, can link into an organic whole with many veneers 11, further improves holistic structural strength.
The enclosing purlin 2 is provided with two groups which are respectively and symmetrically fixed on two sides of the steel template 1. The purlin 2 is fixed at a distance of 150-250mm from the top of the veneer 11, in this utility model the purlin 2 is fixed at a distance of 200mm from the top. During construction, it was found that the overall structural strength was highest when the purlin 2 was secured at a distance of 150-250mm from the top.
A lifting hole 111 is formed in the top end of the single board 11 in a penetrating mode, and lifting and construction of the single board 11 are facilitated through lifting equipment. A tapered insertion portion 112 is integrally provided at the lower end of the veneer 11, so that the veneer 11 can be conveniently inserted into the ground during construction. One side of the steel template 1, which is far away from the pouring area, is provided with an inclined strut 3, the inclined strut 3 is arranged as a channel steel, one end of the inclined strut 3 is inserted into a foundation pit at a certain angle, and the other end of the inclined strut 3 is abutted to the lower side of the enclosing purlin 2. During casting, concrete will exert an outward force on the steel form 1, and the diagonal braces 3 will prevent the steel form 1 from tilting outward.
The embodiment of the utility model discloses a foundation pit template structure convenient to construct, which comprises the following implementation principles: by arranging a plurality of U-shaped single plates 11, when in construction, adjacent single plates 11 are mutually buckled, in the process of pouring a concrete waterproof retaining wall, concrete can exert an outward thrust on the single plates 11, the single plates 11 can be tensioned after being stressed, so that gaps among the single plates 11 are reduced to prevent concrete from exuding; meanwhile, the surrounding purlin 2 at the top of the veneer 11 can effectively increase the overall structural strength and prevent the separation of adjacent veneers 11, thereby further preventing concrete leakage; and, gaps between adjacent single plates 11 can filter sediment, prevent sediment from being lost in a transitional way.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. The utility model provides a foundation ditch template structure of convenient construction which characterized in that: the steel formwork comprises a steel formwork (1), wherein the steel formwork (1) comprises a plurality of single plates (11) with approximately U-shaped section outlines, the single plates (11) are vertically inserted into a foundation pit, the single plates (11) are arranged along the construction direction, and adjacent single plates (11) face opposite directions and face edges to be buckled with each other; a hanging hole (111) is formed in the top end of the single plate (11); the lower end of the single plate (11) is provided with a conical insertion part (112); the single plate (11) is arranged as U-shaped channel steel.
2. The foundation pit formwork structure facilitating construction of claim 1, wherein: the steel form is characterized in that an enclosing purlin (2) is fixed at the upper end of the steel form (1), and the enclosing purlin (2) is perpendicular to the length direction of the veneer (11).
3. The foundation pit formwork structure for facilitating construction of claim 2, wherein: the enclosing purlin (2) is provided with two groups of steel templates (1) which are respectively positioned at two sides.
4. The foundation pit formwork structure for facilitating construction of claim 2, wherein: the surrounding purlin (2) is 150-250mm away from the top of the veneer (11).
5. The foundation pit formwork structure for facilitating construction of claim 2, wherein: still include bracing (3), bracing (3) slope setting and follow enclose the length direction of purlin (2) and distribute a plurality of, the one end of bracing (3) insert locate in the foundation ditch in one side that pouring area was kept away from to steel form (1), the other end butt enclose purlin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249503.3U CN219909028U (en) | 2023-05-22 | 2023-05-22 | Foundation pit template structure convenient to construct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249503.3U CN219909028U (en) | 2023-05-22 | 2023-05-22 | Foundation pit template structure convenient to construct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219909028U true CN219909028U (en) | 2023-10-27 |
Family
ID=88429747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249503.3U Active CN219909028U (en) | 2023-05-22 | 2023-05-22 | Foundation pit template structure convenient to construct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219909028U (en) |
-
2023
- 2023-05-22 CN CN202321249503.3U patent/CN219909028U/en active Active
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