CN209760258U - Damp water prevention facility for foundation pit civil engineering - Google Patents
Damp water prevention facility for foundation pit civil engineering Download PDFInfo
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- CN209760258U CN209760258U CN201920462771.0U CN201920462771U CN209760258U CN 209760258 U CN209760258 U CN 209760258U CN 201920462771 U CN201920462771 U CN 201920462771U CN 209760258 U CN209760258 U CN 209760258U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 230000002265 prevention Effects 0.000 title description 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 128
- 239000010959 steel Substances 0.000 claims abstract description 128
- 238000010276 construction Methods 0.000 claims abstract description 22
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 238000009415 formwork Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a damp proof water facility of foundation ditch civil engineering, including the steel sheet box, the lateral wall of steel sheet box is provided with the channel-section steel that inserts the foundation ditch bottom all around, and open the lower part of steel sheet box has the outlet, and the outlet outer wall is equipped with the steel wash-out pipe, the port of steel wash-out pipe is equipped with the steel screw cap that is used for sealed steel wash-out pipe. The utility model discloses a dampproofing water facility simple structure, cost, with low costs, steel sheet box both can keep off the moist water and can double as gate storeroom structure construction exterior sheathing, has advantages such as economy, simple, practical.
Description
Technical Field
The utility model relates to a damp proof water facility of foundation ditch civil engineering belongs to the hydraulic engineering field.
Background
After the intake of the coastal power station is built, the condition that the use requirement cannot be met exists in the operation process, and if the original equipment such as a gate is stored in the open air, the gate occupies a field and is easy to rust. In order to prolong the service life of equipment and reduce the occupied site, proper sites are required to be selected at two sides of an original water intake to build an underground gate storage room. In order to build a new gate storeroom, civil engineering operations such as reinforcement, template support, concrete pouring and the like need to be carried out in the excavated foundation pit. Because the foundation ditch is on the land, gate storeroom bottom plate elevation is near average sea tide level, and the foundation ditch is peripheral for plain fill backfill layer (including partial lump stone), and the osmotic coefficient is great, and when the tide level rises, the sea water will pass backfill layer and flow backward and get into the foundation ditch, brings great influence for the civil engineering operation in the foundation ditch, mainly includes two aspects: firstly, the average high tide level is about 1.8m higher than the average sea tide level (the bottom elevation of a foundation pit bottom plate), and the operation of workers cannot be continuously carried out after seawater is poured backwards; secondly, the steel bars are soaked in seawater, and the seawater has strong corrosivity, so that the steel bars have high quality risk and do not meet the standard requirement. If the measures are adopted to arrange water-stop measures such as cofferdams, anti-seepage curtains and high-pressure jet grouting at the periphery of the foundation pit, the construction cost is high, the construction period is long, and the comprehensive economic index is poor. In order to adapt to the characteristics of engineering projects adjacent to the sea and meet the construction requirements of gate storerooms, a damp-proof water facility for foundation pit civil construction is needed.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a dampproofing water facility of foundation ditch civil engineering can satisfy the construction requirement of gate storeroom, and prevents that the sea water from flowing backward and getting into the foundation ditch.
In order to realize above-mentioned purpose, the utility model discloses a pair of foundation ditch civil engineering dampproofing water facility, including the steel sheet box, the lateral wall of steel sheet box is provided with the channel-section steel that inserts the foundation ditch bottom all around, and open the lower part of steel sheet box has the outlet, and the outlet outer wall is equipped with the steel wash-out pipe, the port of steel wash-out pipe is equipped with the steel screw thread block that is used for sealed steel wash-out pipe.
As an improvement, the channel steel is vertically welded on the side wall of the steel plate box.
As an improvement, channel steel beams are horizontally welded on the periphery of the outer side wall of the steel plate box and are vertically fixed with the channel steel.
As an improvement, the inner diameter of the steel threaded cap is the same as the outer diameter of the steel drain pipe, threads are pre-machined on the inner wall of the steel threaded cap, and matched threads are machined on the outer wall of the steel drain pipe.
As an improvement, a waterproof ribbon is further arranged between the steel threaded cap and the steel water drain pipe.
As an improvement, an inclination angle is arranged between the steel drain pipe and the horizontal plane.
As an improvement, the size of the inner space of the steel plate box is matched with the size of the gate storage chamber.
As an improvement, the height of the steel plate box is matched with the maximum external tide level water head.
Compared with the prior art, the utility model discloses a dampproofing water facility simple structure, cost, with low costs, steel sheet box both can keep off the moist water and can double as gate storeroom structure construction exterior sheathing, has advantages such as economy, simple, practical.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
3 FIG. 32 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
In the figure: 1. the steel plate box, 2, the outlet, 3, the steel wash-out pipe, 4, the channel-section steel crossbeam, 5, the channel-section steel, 6, steel screw block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, 2 and 3, the damp-proof water facility for foundation pit civil construction comprises a steel plate box 1, wherein channel steel 5 inserted into the bottom of a foundation pit is arranged on the periphery of the outer side wall of the steel plate box 1, a water drain hole 2 is formed in the lower portion of the steel plate box 1, a steel drain pipe 3 is arranged on the outer wall of the water drain hole 2, and a steel thread cap 6 used for sealing the steel drain pipe 3 is arranged at the port of the steel drain pipe 3. The steel plate box 1 is used as a tidal water blocking outer formwork for gate storeroom structure construction, the steel plate box 1 is used as the tidal water blocking outer formwork during steel bar binding in a foundation pit, and the steel plate box 1 is used as the gate storeroom structure construction outer formwork during formwork erection.
As a modification of the embodiment, the channel steel 5 is welded perpendicularly to the side wall of the steel plate box 1. The steel plate box is characterized in that channel steel beams 4 are horizontally welded on the periphery of the outer side wall of the steel plate box 1, the channel steel beams 4 and channel steel 5 are vertically fixed, welding is preferably adopted between the channel steel beams 4 and the channel steel, and the rigidity of the whole structure is improved through the channel steel beams 4.
As an improvement of the embodiment, the inner diameter of the steel screw cap 6 is the same as the outer diameter of the steel drain pipe 3, the inner wall of the steel screw cap 6 is pre-threaded, the outer wall of the steel drain pipe 3 is threaded, and the steel screw cap 6 is screwed and fixed on the steel drain pipe 3 to achieve the effect of sealing the drain pipe 3.
As improvement of the embodiment, a waterproof ribbon is arranged between the steel threaded cap 6 and the steel drain pipe 3, and the sealing effect is good.
As a modification of the embodiment, an inclination angle is arranged between the steel drain pipe 3 and the horizontal plane.
As a modification of the embodiment, the dimensions of the interior space of the steel plate cassette 1 are matched to the dimensions of the sluice storage compartment.
as a modification of the embodiment, the height of the steel plate cassette 1 is matched to the maximum outer tide level head.
During construction, the maximum external dimensions (length and width) of the gate storeroom are calculated, the dimensions (length and width) of the steel plate box 1 and the steel plate specification (8 mm thick steel plate in the embodiment) of the processed steel plate box 1 are determined according to the dimensions, then the height of the steel plate box 1 (the height of the steel plate box in the embodiment is the maximum external tide level water head +10cm) is calculated and determined according to the maximum external tide level water head to be born by the steel plate box 1 and the concrete pouring stress condition of the side wall of the gate storeroom, the type 5 of channel steel (channel steel No. 20 in the embodiment) inserted into the bottom of a foundation pit and arranged on the periphery of the outer side wall of the steel plate box 1, the space (1.5-2 m in the embodiment) and the number (3 and 5 are respectively taken.
Calculating the maximum tap water amount possibly filled in the steel plate box 1, determining the number and the size of the drain holes 2 at the bottom of the side wall of the steel plate box 1 according to the requirement of drainage time (in the embodiment, 1 drain hole is taken, the aperture is 20cm), measuring and lofting the arrangement position of the steel plate box 1 according to the design requirement, paving and filling fine aggregates such as broken stones on the basis of the steel plate box, leveling, and reserving a certain gradient (in the embodiment, 0.3-0.5%) on the surface of the basis towards the direction of the drain hole 2 so as to smoothly discharge accumulated water in the steel plate box 1; the method comprises the following steps of driving a channel steel 5 into the bottom of a foundation pit to a certain depth (generally, the channel steel is driven to be 0.5-1.0 time of the exposed length, in the embodiment, the channel steel is 0.5 time of the exposed length), then placing a prefabricated steel plate box 1 in place or assembling on site, firmly welding the steel plate box 1 and the channel steel 5, horizontally welding a plurality of channel steel cross beams 4 (one channel is adopted in the embodiment) on the periphery of an outer side wall, firmly welding a steel drainage pipe 3 with a pre-processing thread at a drainage hole 2, and keeping a certain inclination angle downwards (the inclination angle is 15 degrees in the embodiment), wherein the steps are all required to catch up tide (in the low tide level). After the steel screw cap 6 is screwed and fixed on the steel drain pipe 3, the civil construction of the gate storeroom can be carried out in the steel plate box 1.
When tide water rises in the construction process, tap water can be filled into the steel plate box 1 to counteract buoyancy when the rising trend is judged according to the friction force of the channel steel 5 resisting the rising, the dead weight of the steel plate box 1 and the weight of the object in the steel plate box 1; and after the tide water is removed, the steel threaded cap 6 is unscrewed and taken down, tap water is drained through the drain hole 2 and the steel drain pipe 3, and civil construction of a gate storeroom in the foundation pit is continued. And repeating the steps until the construction of the civil engineering project below the highest tide level is finished.
The utility model discloses a dampproofing water facility simple structure, cost, with low costs, steel sheet box both can keep off the moist water and can double as gate storeroom structure construction exterior sheathing, has advantages such as economy, simple, practical.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (8)
1. The utility model provides a damp proof water facility of foundation ditch civil engineering, includes steel sheet box (1), its characterized in that, the lateral wall of steel sheet box (1) is provided with channel-section steel (5) that insert the foundation ditch bottom all around, and open the lower part of steel sheet box (1) has outlet (2), and outlet (2) outer wall is equipped with steel outlet pipe (3), the port of steel outlet pipe (3) is equipped with steel screw thread block (6) that are used for sealed steel outlet pipe (3).
2. A foundation pit civil construction dampproof water facility according to claim 1, characterized in that the channel steel (5) is welded perpendicularly on the side wall of the steel plate box (1).
3. The foundation pit civil engineering construction damp-proof water facility as claimed in claim 1, wherein channel steel beams (4) are horizontally welded around the outer side wall of the steel plate box (1), and the channel steel beams (4) and the channel steel (5) are vertically fixed.
4. A foundation pit civil construction dampproof water facility as claimed in claim 1, characterized in that the inner diameter of the steel screw cap (6) is the same as the outer diameter of the steel drain pipe (3), the inner wall of the steel screw cap (6) is pre-threaded, and the outer wall of the steel drain pipe (3) is threaded.
5. A foundation pit civil construction dampproof water facility as claimed in claim 4, characterized in that a waterproof ribbon is further arranged between the steel screw cap (6) and the steel drain pipe (3).
6. A foundation pit civil engineering construction dampproof water facility according to claim 4 or 5, characterized in that, an inclination is provided between the steel drain pipe (3) and the horizontal plane.
7. A foundation pit civil engineering dampproof water facility according to claim 1, characterized in that the internal space size of the steel plate box (1) matches the size of the sluice storage room.
8. A foundation pit civil construction dampproof water facility according to claim 7, characterized in that the height of the steel plate box (1) matches the maximum outer tide level head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462771.0U CN209760258U (en) | 2019-04-08 | 2019-04-08 | Damp water prevention facility for foundation pit civil engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462771.0U CN209760258U (en) | 2019-04-08 | 2019-04-08 | Damp water prevention facility for foundation pit civil engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209760258U true CN209760258U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920462771.0U Active CN209760258U (en) | 2019-04-08 | 2019-04-08 | Damp water prevention facility for foundation pit civil engineering |
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| CN (1) | CN209760258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881684A (en) * | 2019-04-08 | 2019-06-14 | 江苏建筑职业技术学院 | A kind of moisture-proof drainage facility of foundation pit civil construction |
-
2019
- 2019-04-08 CN CN201920462771.0U patent/CN209760258U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881684A (en) * | 2019-04-08 | 2019-06-14 | 江苏建筑职业技术学院 | A kind of moisture-proof drainage facility of foundation pit civil construction |
| CN109881684B (en) * | 2019-04-08 | 2024-03-15 | 江苏建筑职业技术学院 | Dampproofing water facility of foundation ditch civil engineering construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240708 Address after: No. 70 Minzhu North Road, Gulou District, Xuzhou City, Jiangsu Province 221000 Patentee after: Xuzhou Municipal Construction Group Co.,Ltd. Country or region after: China Address before: 221000 Jiangsu city of Xuzhou Province Academy of Quanshan District Road No. 26 Patentee before: JIANGSU VOCATIONAL INSTITUTE OF ARCHITECTURAL TECHNOLOGY Country or region before: China |