CN218175929U - Underground anti-seepage pressure-reducing anti-floating blind pipe structure - Google Patents
Underground anti-seepage pressure-reducing anti-floating blind pipe structure Download PDFInfo
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- CN218175929U CN218175929U CN202221415371.2U CN202221415371U CN218175929U CN 218175929 U CN218175929 U CN 218175929U CN 202221415371 U CN202221415371 U CN 202221415371U CN 218175929 U CN218175929 U CN 218175929U
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Abstract
The utility model is suitable for a prevention of seepage decompression construction technical field discloses an anti blind pipe structure that floats of underground prevention of seepage decompression, including base face (1), foundation ditch (2) has been seted up to the inside of base face (1), and foundation ditch (2) inside all covers waterproof geotechnological cloth (3), and sepage calandria (4) have been placed to the bottom of foundation ditch (2), the evenly distributed has seted up sepage hole (5) around sepage calandria (4), and the outside parcel of sepage calandria (4) has infiltration geotechnological cloth (6); broken stones (9) are backfilled in the foundation pit (2), and water seepage geotextile (6) covers the broken stones (9). The utility model discloses a sepage calandria landfill in the construction foundation ditch, measure safety, reliable, can control the nature strong, utilize stagnant water pressure to carry out the drainage, have the characteristics of economic energy-conservation, environmental protection, be indispensable partly in the green building.
Description
Technical Field
The utility model belongs to the technical field of the construction prevention of seepage decompression, especially, relate to an anti blind pipe structure that floats of underground prevention of seepage decompression.
Background
At present, along with the annual improvement of the urbanization level of China, underground structure buildings are more and more, so that the burial depth of the foundation of a high-rise building and a multi-rise building is increased, just because the burial depth of the foundation is correspondingly increased, multi-rise underground water-bearing layers always appear in the deep foundation, because the water-bearing layers in a soil structure are easy to cut off, the actual construction difficulty caused by the water seepage of a foundation pit is caused, and the underground structure is corroded by underground water for a long time, the leakage is easy to generate, the service life is shortened, so the long-term effect of the anti-seepage decompression on the basement is paid high attention; the basement structure is designed to be free of anti-floating, the floor area of the basement is larger than that of an upper building tower, so that the upper portion of a part of the basement does not have enough building quality to be pressed and floated, and in order to solve the problems, the underground anti-seepage decompression anti-floating blind pipe structure is provided.
Disclosure of Invention
The utility model provides an anti blind pipe structure that floats of underground prevention of seepage decompression has solved the problem of proposing in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a subsurface seepage-proofing, pressure-reducing and anti-floating blind pipe structure comprises a base surface, wherein a foundation pit is arranged inside the base surface, waterproof geotextile covers the inside of the foundation pit, a seepage drainage pipe is arranged at the bottom end of the foundation pit, seepage holes are uniformly distributed around the seepage drainage pipe, and seepage geotextile covers the outside of the seepage drainage pipe; and gravel is backfilled in the foundation pit, and water seepage geotextile covers the gravel.
Further, the aperture of the liquid seepage hole is 20mm.
Furthermore, the waterproof geotextile is provided with flanges at two sides of the foundation pit, and the length of the flanges is not less than 100mm.
Further, the lap joint length of the water seepage geotextile on the liquid seepage calandria is not less than 200mm.
Furthermore, the lapping length of the water-permeable geotextile on the macadam and the waterproof geotextile at the edge of the foundation pit is not less than 100mm; and backfilling the upper surface of the water-permeable geotextile with clay.
Further, waterproof geotechnical cloth and infiltration geotechnical cloth are green polypropylene fibre geotechnical cloth, and are 3mm thick.
Furthermore, the weeping calandria is made of PE pipes with three specifications, and the pipe diameters are DN200, DN315 and DN400 respectively.
Furthermore, two sides of the liquid seepage calandria at the bottom end of the foundation pit are respectively provided with a group of anti-deviation blocks, and the bottom ends of the anti-deviation blocks are uniformly distributed and fixed with stable nail heads; the top of the anti-deviation block is arc-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a seepage liquid calandria landfill is in the construction foundation ditch, and the measure is safe, reliable, the nature can be controlled strong, utilizes static water pressure to carry out the drainage, has the characteristics of economic energy-conservation, environmental protection, is indispensable partly in the green building.
2. The utility model discloses a weeping calandria reduces ground water level for a long time, guarantees that construction soil property is dry, prevents that groundwater from producing the unable discharge of a large amount of offal that contains in buoyancy and the soil layer to the basement bottom plate, and the weeping calandria can satisfy construction and building life in performance precipitation effect, really accomplishes to face the combination forever.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the weep gauntlet of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic structural view of the anti-shifting block of the present invention;
in the figure: 1. a base surface; 2. a foundation pit; 3. waterproof geotextile; 4. liquid seepage calandria; 5. a weep hole; 6. water seepage geotextile; 7. an anti-offset block; 8. stabilizing the nail head; 9. and (4) crushing the stones.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1: referring to fig. 1-3, an underground seepage-proofing, pressure-reducing and anti-floating blind pipe structure comprises a base surface 1, wherein a foundation pit 2 is formed inside the base surface 1, waterproof geotextile 3 covers the inside of the foundation pit 2, a liquid seepage drainage pipe 4 is arranged at the bottom end of the foundation pit 2, seepage holes 5 are uniformly distributed around the liquid seepage drainage pipe 4, and water seepage geotextile 6 wraps the outside of the liquid seepage drainage pipe 4; broken stones 9 are filled in the foundation pit 2, and water-permeable geotextile 6 covers the broken stones 9;
the aperture of the liquid seepage hole 5 is 20mm;
the waterproof geotextile 3 is provided with flanges at two sides of the foundation pit 2, and the length of the flanges is not less than 100mm;
the lapping length of the water seepage geotextile 6 on the liquid seepage calandria 4 is not less than 200mm;
the lapping length of the water-permeable geotextile 6 on the broken stone 9 and the waterproof geotextile 3 at the edge of the foundation pit 2 is not less than 100mm; and the upper surface of the water-permeable geotextile 6 is backfilled with clay;
the waterproof geotextile 3 and the water-permeable geotextile 6 are green polypropylene geotextiles and have the thickness of 3mm;
the weeping calandria 4 is made of PE pipes with three specifications and models, and the pipe diameters are DN200, DN315 and DN400 respectively.
Example 2: referring to fig. 1-4, the structure is the same as that of embodiment 1, further, a group of anti-deviation blocks 7 are respectively disposed on two sides of the weeping calandria 4 at the bottom end of the foundation pit 2, and the bottom ends of the anti-deviation blocks 7 are uniformly distributed and fixed with stable nail heads 8; the top of the anti-deviation block 7 is in a circular arc shape.
When in use: when installing sepage calandria 4, sepage calandria 4 will reduce ground water level, reduce the horizontal thrust of water pressure to the underground structure, at first place the position department that needs the installation at sepage calandria 4 with preventing skew piece 7, prevent the bottom that the firm pin fin 8 of skew piece 7 bottom will insert foundation ditch 2, form stable effect of placing, place sepage calandria 4 in the top of two sets of anti-skew pieces 7, thereby be convenient for the quick spacing installation of sepage calandria 4, at the infiltration in-process, water just gets into in the sepage hole 5 through infiltration geotechnological cloth 6, thereby get into sepage calandria 4, it retrieves reutilization to form groundwater, reduce the construction water cost of project, the buoyancy effect of the groundwater that contains in the soil layer to the bottom plate has been reduced simultaneously, in the stratum of abundant groundwater, the water conservancy diversion groundwater, guarantee the soil property is relatively dry, be favorable to the construction operation, be convenient for carry out the efficient drainage effect to secret infiltration.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti blind pipe structure that floats of underground prevention of seepage decompression, includes base plane (1), its characterized in that: a foundation pit (2) is formed in the base surface (1), waterproof geotextile (3) covers the foundation pit (2), a liquid seepage drainage pipe (4) is placed at the bottom end of the foundation pit (2), liquid seepage holes (5) are uniformly distributed around the liquid seepage drainage pipe (4), and water seepage geotextile (6) wraps the outside of the liquid seepage drainage pipe (4); broken stones (9) are backfilled in the foundation pit (2), and water seepage geotextile (6) covers the broken stones (9).
2. The underground impermeable, pressure-reducing and anti-floating blind pipe structure according to claim 1, characterized in that: the aperture of the liquid seepage hole (5) is 20mm.
3. The underground impermeable, pressure-reducing and anti-floating blind pipe structure according to claim 1, characterized in that: the waterproof geotextile (3) is provided with flanges at two sides of the foundation pit (2), and the length of the flanges is not less than 100mm.
4. The underground impermeable, pressure-reducing and anti-floating blind pipe structure according to claim 1, characterized in that: the lap joint length of the water seepage geotextile (6) on the seepage drainage pipe (4) is not less than 200mm.
5. The underground impermeable, pressure-reducing and anti-floating blind pipe structure according to claim 1, characterized in that: the lap joint length of the water-permeable geotextile (6) on the macadam (9) and the waterproof geotextile (3) at the edge of the foundation pit (2) is not less than 100mm; and the upper surface of the water permeable geotextile (6) is backfilled with clay.
6. The underground impermeable decompression anti-floating blind pipe structure according to claim 1, wherein: the waterproof geotextile (3) and the water seepage geotextile (6) are green polypropylene geotextiles with the thickness of 3mm.
7. The underground impermeable decompression anti-floating blind pipe structure according to claim 1, wherein: the liquid seepage calandria (4) is made of PE pipes with three specifications, and the pipe diameters are DN200, DN315 and DN400 respectively.
8. An underground impermeable, pressure-reducing and anti-floating blind pipe structure according to any one of claims 1 to 7, characterized in that: a group of anti-deviation blocks (7) are respectively arranged on two sides of the weeping calandria (4) at the bottom end of the foundation pit (2), and stable nail heads (8) are uniformly distributed and fixed at the bottom ends of the anti-deviation blocks (7); the top of the anti-deviation block (7) is arc-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221415371.2U CN218175929U (en) | 2022-06-08 | 2022-06-08 | Underground anti-seepage pressure-reducing anti-floating blind pipe structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221415371.2U CN218175929U (en) | 2022-06-08 | 2022-06-08 | Underground anti-seepage pressure-reducing anti-floating blind pipe structure |
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| CN218175929U true CN218175929U (en) | 2022-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855846A (en) * | 2022-06-08 | 2022-08-05 | 贵州建工兴印建筑工程有限公司 | Underground seepage-proofing pressure-reducing anti-floating blind pipe structure and construction method thereof |
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- 2022-06-08 CN CN202221415371.2U patent/CN218175929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855846A (en) * | 2022-06-08 | 2022-08-05 | 贵州建工兴印建筑工程有限公司 | Underground seepage-proofing pressure-reducing anti-floating blind pipe structure and construction method thereof |
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