CN210066796U - There is not fertile groove piping lane foundation ditch blind drain structure - Google Patents
There is not fertile groove piping lane foundation ditch blind drain structure Download PDFInfo
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- CN210066796U CN210066796U CN201920779733.8U CN201920779733U CN210066796U CN 210066796 U CN210066796 U CN 210066796U CN 201920779733 U CN201920779733 U CN 201920779733U CN 210066796 U CN210066796 U CN 210066796U
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- french drain
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Abstract
The utility model discloses a there is not fertile groove piping lane foundation ditch drainage french drain structure belongs to building technical field. The utility model discloses a drainage french drain and water collection well, the inboard packing of drainage french drain have the graded broken stone, waterproof geotechnological cloth has all been laid to the bottom and the both sides of drainage french drain, waterproof geotechnological cloth extends along the both sides of drainage french drain and lays, the upside of drainage french drain be provided with the piping lane structure, the both sides of piping lane structure are provided with supporting construction, the bottom of piping lane structure is equipped with the bed course, the drainage french drain be located the bed course lower part of piping lane structure, one side of drainage french drain is hugged closely and is provided with the sump pit. The utility model discloses simple structure, drainage effect are good, combine the piping lane to jump cabin method construction characteristics, and the sump pit of the ponding accessible drainage blind ditch of the middle not-under-construction piping lane section basement is remitted into the piping lane that has been under construction one side to realize the effect of continuous drainage.
Description
Technical Field
The utility model relates to a drainage french drain technical field, more specifically say, relate to a there is not fertile groove piping lane foundation ditch drainage french drain structure.
Background
The underground comprehensive pipe gallery is used as a new industrial project in China, the construction of the underground comprehensive pipe gallery is very sound in recent years, the support form of the underground project can be divided into a foundation pit with support and a foundation pit without support according to the field and geological conditions, and under the two support conditions, a drainage ditch and a water collection well are reserved at the bottom of the foundation pit; under the condition of no fertilizer groove support, the current common foundation pit drainage method is still open drainage ditch and collector well, and the drainage ditch and collector well of the construction section are backfilled before a cushion layer of a pipe gallery is closed; and by combining the characteristics of the construction of the pipe gallery by the cabin jumping method, the open-cut drainage ditch can not play a role in continuously draining water from the base.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome prior art not enough, provide a there is not fertile groove piping lane foundation ditch drainage blind ditch structure, the utility model discloses simple structure, drainage effect are good, combine the piping lane to jump cabin method construction characteristics, and the ponding accessible drainage blind ditch of the middle not piping lane section basement of being under construction is remitted into the sump pit of having under construction piping lane one side to realize the effect of continuous drainage.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a there is not fertile groove piping lane foundation ditch drainage french drain structure, including drainage french drain and collecting well, the inboard packing of drainage french drain have the graded rubble, waterproof geotechnological cloth has all been laid to the bottom and both sides of drainage french drain, waterproof geotechnological cloth extends along the both sides of drainage french drain and lays, the upside of drainage french drain be provided with the piping lane structure, the both sides of piping lane structure are provided with supporting construction, the bottom of piping lane structure is equipped with the bed course, the drainage french drain be located the bed course lower part of piping lane structure, one side of drainage french drain is hugged closely and is provided with the sump pit.
Further, before the cushion layer of the pipe gallery structure is constructed, the waterproof geotextile is covered on the upper surface of the drainage blind ditch.
Furthermore, the width and the height of the blind drainage ditch are both 400mm, and the slope is found longitudinally by 0.2 percent.
Furthermore, the drainage blind ditch is positioned in the middle of the cushion layer, and the cushion layer is capable of finding a slope from two sides to the middle by 0.2%.
Furthermore, a plastic water filter net is arranged at the node of the drainage blind ditch and the water collecting well along the height direction of the drainage blind ditch, before the cushion layer of the pipe gallery structure is constructed, the water collecting well accumulated water in the construction section area is pumped and backfilled, and the plastic water filter net is replaced by waterproof geotextile.
Furthermore, the bottom of the water collecting well is provided with a waterproof mortar cushion layer, brick wall bodies on two sides are plastered with mortar, the length, the width and the height of the water collecting well are all 800mm, the water collecting wells are arranged on one side of the drainage blind ditch at intervals, and the interval size of the adjacent water collecting wells is 30-50 m.
Further, the waterproof geotextile extends for 300mm along the two sides of the width direction of the drainage blind ditch respectively.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model has the advantages of simple structure, the drainage effect is good, combine the piping lane to jump cabin method construction characteristics, liquid or gas in the piping lane structure collect to bottom bed course position department, transmit again to in the drainage french drain, ponding in the drainage french drain is collected into the sump pit of one side, accomplish the drainage, ponding accessible drainage french drain of the middle not piping lane section basement of being under construction is collected into the sump pit of having under construction piping lane one side, thereby realize the effect of continuous drainage, the effectual sand soil loss that holds back of waterproof geotechnological cloth, with unnecessary liquid and gaseous outer row in the soil body structure, and strengthen building structure's stability, thereby improve the soil body quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. a pipe gallery structure; 2. a support structure; 3. a drainage blind ditch; 4. waterproof geotextile; 5. a water collecting well.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1-2, the drainage blind ditch structure of the foundation pit of the fertilizer-free groove pipe gallery of the embodiment comprises a drainage blind ditch 3 and a water collecting well 5, wherein the width and the height of the drainage blind ditch 3 are both 400mm, the slope is found in the longitudinal direction by 0.2%, the drainage blind ditch 3 is positioned in the middle of a cushion layer, the cushion layer is sloped from two sides to the middle by 0.2%, the slope is favorable for accumulated water to flow downwards, graded broken stones are filled in the inner side of the drainage blind ditch 3, waterproof geotextiles 4 are laid at the bottom and two sides of the drainage blind ditch 3, the waterproof geotextiles 4 are laid along the two sides of the drainage blind ditch 3 in an extending manner, the waterproof geotextiles 4 extend by 300mm along the two sides of the drainage blind ditch 3 in the width direction, a pipe gallery structure 1 is arranged at the upper side of the drainage blind ditch 3, supporting structures 2 are arranged at the two sides of the pipe gallery structure 1, the cushion layer is arranged at the bottom of the pipe gallery, the bottom of the water collecting well 5 is provided with a waterproof mortar cushion layer, brick wall bodies on two sides are plastered with mortar, the length, the width and the height of the water collecting well 5 are all 800mm, the water collecting wells 5 are arranged on one side of the drainage blind ditch 3 at intervals, and the interval size of the adjacent water collecting wells 5 is 30-50 m.
The node of the drainage blind ditch 3 and the water collecting well 5 is provided with a plastic water filter net along the height direction of the drainage blind ditch 3, before the cushion layer of the pipe gallery structure 1 is constructed, the water collecting well 5 in the construction section area is pumped and backfilled, the plastic water filter net is replaced by a waterproof geotextile 4, the waterproof geotextile 4 is covered on the upper surface of the drainage blind ditch 3, the waterproof geotextile 4 effectively intercepts the sandy soil loss, the redundant liquid and gas in the soil body structure are discharged outside, the stability of the building structure is enhanced, the soil body quality is improved, the liquid or gas in the pipe gallery structure 1 is collected to the bottom cushion layer position, the liquid or gas is collected to the middle part of the cushion layer from the two sides of the cushion layer and is transmitted to the drainage blind ditch 3, the water in the drainage blind ditch 3 is collected to the water collecting well 5 on one side, and the drainage is completed.
The utility model discloses simple structure, drainage effect are good, combine the piping lane to jump cabin method construction characteristics, and ponding accessible drainage french drain 3 of the middle not-under-construction pipe gallery section basement converges into sump pit 5 of having under construction piping lane one side to realize the effect of continuous drainage.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a there is not fertile groove piping lane foundation ditch drainage french drain structure, includes drainage french drain (3) and water collection well (5), its characterized in that: the inboard packing of drainage french drain (3) have the graded rubble, waterproof geotechnological cloth (4) have all been laid to the bottom and the both sides of drainage french drain (3), waterproof geotechnological cloth (4) are extended along the both sides of drainage french drain (3) and are laid, the upside of drainage french drain (3) be provided with piping lane structure (1), the both sides of piping lane structure (1) are provided with supporting construction (2), the bottom of piping lane structure (1) is equipped with the bed course, drainage french drain (3) be located the bed course lower part of piping lane structure (1), one side of drainage french drain (3) is hugged closely and is provided with sump pit (5).
2. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: before the cushion layer construction of the pipe gallery structure (1), the upper surface of the drainage blind ditch (3) is covered with waterproof geotextile (4).
3. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: the width and the height of the drainage blind ditch (3) are both 400mm, and the slope is found in the longitudinal direction by 0.2 percent.
4. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: the drainage blind ditch (3) is positioned in the middle of the cushion layer, and the cushion layer finds a slope from two sides to the middle by 0.2 percent.
5. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: the node of the drainage blind ditch (3) and the water collecting well (5) is provided with a plastic water filter net along the height direction of the drainage blind ditch (3), before the cushion layer of the pipe gallery structure (1) is constructed, the accumulated water of the water collecting well (5) in the construction section area is pumped and backfilled, and the plastic water filter net is replaced by waterproof geotextile (4).
6. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: the bottom of the water collecting well (5) is provided with a waterproof mortar cushion layer, brick wall bodies on two sides are plastered with mortar, the length, the width and the height of the water collecting well (5) are all 800mm, the water collecting wells (5) are arranged on one side of the drainage blind ditch (3) at intervals, and the interval size of the adjacent water collecting wells (5) is 30-50 m.
7. The trench structure of claim 1, wherein the trench is filled with fertilizer and the trench is filled with water and the trench is filled with fertilizer: the waterproof geotextile (4) respectively extends for 300mm along the two sides of the width direction of the drainage blind ditch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779733.8U CN210066796U (en) | 2019-05-27 | 2019-05-27 | There is not fertile groove piping lane foundation ditch blind drain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920779733.8U CN210066796U (en) | 2019-05-27 | 2019-05-27 | There is not fertile groove piping lane foundation ditch blind drain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210066796U true CN210066796U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920779733.8U Active CN210066796U (en) | 2019-05-27 | 2019-05-27 | There is not fertile groove piping lane foundation ditch blind drain structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210066796U (en) |
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2019
- 2019-05-27 CN CN201920779733.8U patent/CN210066796U/en active Active
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