CN214497556U - Deep foundation pit drainage facility - Google Patents
Deep foundation pit drainage facility Download PDFInfo
- Publication number
- CN214497556U CN214497556U CN202023038158.8U CN202023038158U CN214497556U CN 214497556 U CN214497556 U CN 214497556U CN 202023038158 U CN202023038158 U CN 202023038158U CN 214497556 U CN214497556 U CN 214497556U
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- Prior art keywords
- thick bamboo
- sewage
- section
- foundation pit
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000010865 sewage Substances 0.000 claims abstract description 57
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 41
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 41
- 241001330002 Bambuseae Species 0.000 claims abstract description 41
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 41
- 239000011425 bamboo Substances 0.000 claims abstract description 41
- 230000008595 infiltration Effects 0.000 claims abstract description 41
- 238000001764 infiltration Methods 0.000 claims abstract description 41
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 3
- 239000004744 fabric Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 14
- 239000003651 drinking water Substances 0.000 claims description 13
- 235000020188 drinking water Nutrition 0.000 claims description 13
- 239000004746 geotextile Substances 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of foundation ditch drainage and specifically relates to a deep foundation ditch drainage facility, it is equipped with the sewage pump that is used for drawing water including setting up in the infiltration section of thick bamboo and the bounding wall of foundation ditch bottom in the infiltration section of thick bamboo, is used for imbedding the reinforcing bar in the bounding wall and pours into concrete into and form the foundation column, and infiltration section of thick bamboo and bounding wall have laid gravel layer and the structure gravel layer as the backfill layer outward. This application has the groundwater that oozes in the convenience foundation ditch the discharge, reduces the effect of the fund and the manpower that drop into.
Description
Technical Field
The application relates to the field of foundation pit drainage, in particular to a deep foundation pit drainage facility.
Background
At present, a foundation is required to be built before a building is built, a deep foundation pit is generally dug at a determined building position, foundation columns are built in the foundation pit, and finally the foundation pit is filled and leveled, so that the foundation building is completed. The groundwater that need spill over when the deep basal pit is dug and is established is discharged, prevents to cause harmful effects to the construction of foundation post, and the mode of discharging groundwater is generally for digging inside and outside the foundation ditch and establish a plurality of precipitation wells to take out the sewage in the precipitation well through the sewage pump.
Aiming at the related technologies, the inventor thinks that the defects of troublesome digging and setting and time and labor waste exist in the dewatering well.
SUMMERY OF THE UTILITY MODEL
In order to reduce the construction process of foundation ditch drainage facility, reduce the fund and the manpower that drop into, this application provides a deep foundation ditch drainage facility.
The application provides a deep basal pit drainage facility adopts following technical scheme:
the utility model provides a deep basal pit drainage facility, includes a plurality of infiltration section of thick bamboo that set up on the foundation ditch bottom, infiltration section of thick bamboo embeds there is the sewage pump that is used for drawing sewage, the sewage pump is connected with the first drain pipe that is used for discharging sewage.
Through adopting above-mentioned technical scheme, through setting up a infiltration section of thick bamboo at the bottom of the foundation ditch, through set up the sewage pump that is connected with the drain pipe in a infiltration section of thick bamboo, made things convenient for the installation setting of drainage facility in the foundation ditch, made things convenient for the drainage of the groundwater that oozes in the foundation ditch.
Optionally, the infiltration section of thick bamboo contains a plurality of section of thick bamboo sections, adjacent two the connection can be dismantled to the section of thick bamboo section.
Through adopting above-mentioned technical scheme, through being divided into a plurality of sections with the infiltration section of thick bamboo, can dismantle the connection through every section infiltration section of thick bamboo section, make things convenient for the dismantlement and the removal of infiltration section of thick bamboo above the water level after the water level descends.
Optionally, a plurality of infiltration holes are equipped with to the infiltration section of thick bamboo stack shell, the outer cladding of infiltration section of thick bamboo has first geotechnological cloth, first geotechnological cloth and adjacent two the section of thick bamboo section junction is equipped with and is used for fixed adjacent two sections the hose clamp of section of thick bamboo section and first geotechnological cloth.
Through adopting above-mentioned technical scheme, establish the infiltration hole through digging at infiltration section of thick bamboo lateral wall, made things convenient for in the foundation ditch sewage to enter the infiltration section of thick bamboo, through at the outer cladding geotechnological cloth of infiltration section of thick bamboo, the grit in the sewage that will enter the infiltration section of thick bamboo is held back, has reduced the probability that the sewage pump blockked up, outside being fixed in the geotechnological cloth of infiltration section of thick bamboo section junction through with the larynx hoop, made things convenient for outside being fixed in the stack shell with geotechnological cloth when connecting two sections adjacent section of thick bamboo sections.
Optionally, a sand filter layer which is composed of sand and stone and used for filtering sewage in the foundation pit is laid at the bottom in the water seepage cylinder.
By adopting the technical scheme, the sand filter layer formed by the sand stone is laid at the bottom of the water seepage cylinder, so that the sewage seeped from the cylinder bottom can be conveniently filtered, and the probability of blockage of the sewage pump is further reduced.
Optionally, a plurality of detachable enclosing plates used for filling concrete and reinforcing steel bars are arranged at the bottom of the foundation pit, the height of each enclosing plate is higher than the water level in the foundation pit, and the sewage pump connected with the first drainage pipe is arranged at the bottom in each enclosing plate.
Through adopting above-mentioned technical scheme, through set up the detachable bounding wall at the bottom of the foundation ditch, made things convenient for the packing of foundation concrete and reinforcing bar, made things convenient for the construction of foundation post, through the sewage pump that is connected with the drain pipe of putting into in the bounding wall, further accelerated the discharge of the groundwater that oozes in the foundation ditch.
Optionally, a gravel layer formed by gravel and a structural gravel layer formed by gravel are laid outside the water seepage cylinder and the coaming from bottom to top.
Through adopting above-mentioned technical scheme, through laying gravel layer and gravel layer outside infiltration section of thick bamboo and bounding wall, made things convenient for the fixed of an infiltration section of thick bamboo and bounding wall in the foundation ditch, through the cooperation of gravel layer, gravel layer and water, partly backfilled the foundation ditch in advance, and gravel, gravel and the strength of backfill layer intensity that the water cooperation formed are greater than the intensity of backfill soil, have strengthened the intensity of ground, groundwater's continuous infiltration has kept groundwater level, guaranteed the continuation of gravel layer and gravel layer intensity stable.
Optionally, a plurality of suction pumps are arranged outside the foundation pit, the suction pumps are connected with a suction pipe used for pumping sewage and a second drain pipe used for discharging sewage, the suction pipe is far away from one end of the suction pump is arranged in the sewage in the foundation pit.
Through adopting above-mentioned technical scheme, through set up the suction pump that is connected with the drinking-water pipe in the foundation ditch periphery, through arranging the drinking-water pipe other end in sewage, through the extraction of suction pump to sewage in the foundation ditch for the discharge of sewage in the foundation ditch.
Optionally, one end of the water suction pipe, which is far away from the water suction pump, is coated with a second geotextile.
Through adopting above-mentioned technical scheme, through the one end cladding geotechnological cloth that inserts sewage at the drinking-water pipe, carry out the prefilter to the sewage of extraction, reduced the probability that the suction pump blockked up.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water seepage cylinder and the surrounding plate are arranged at the bottom of the foundation pit, and the sewage pump connected with the drain pipe is arranged in the water seepage cylinder and the surrounding plate, so that the installation and the arrangement of a drainage facility in the foundation pit are facilitated, and the drainage of the underground water seeped in the foundation pit is facilitated;
2. the drainage of sewage in a foundation pit and the construction of a foundation column are facilitated by arranging the water seepage cylinder and the surrounding plate which are detachable in sections, the water suction pump is arranged on the periphery of the foundation pit, one end for placing the sewage into the water suction pipe connected with the water suction pump and the water seepage cylinder are coated with geotextile, and the sand filter layer is laid at the bottom of the water seepage cylinder, so that the sewage is conveniently preliminarily filtered before the sewage is extracted, and the probability of blockage of the water suction pump is reduced;
3. through laying gravel layer and grit layer outside infiltration section of thick bamboo and bounding wall, through keeping the water level in the gravel layer, reduced the water yield of the sewage that needs to extract, through the cooperation of gravel layer, grit layer and water, formed the backfill layer more that the backfill soil is firm, carried out the part in advance and backfilled when extracting sewage, improved the efficiency of building of foundation ditch.
Drawings
Fig. 1 is a schematic structural diagram of a deep foundation pit drainage facility according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a coaming of a deep foundation pit drainage facility according to an embodiment of the present application.
Fig. 3 is a sectional view of a deep foundation pit drainage facility according to an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is an enlarged view of a portion B of fig. 3.
Description of reference numerals: 11. a support structure; 111. steel sheet piles; 112. a crown beam; 113. a support beam; 2. a water seepage cylinder; 21. a barrel section; 22. a water seepage hole; 23. a first geotextile; 24. a hose clamp; 25. a sand filtration layer; 3. a sewage pump; 31. a first drain pipe; 4. enclosing plates; 41. a steel bar; 42. steel rings; 51. a gravel layer; 52. a structured sandstone layer; 53. a cushion layer; 6. a water pump; 61. a water pumping pipe; 62. a second geotextile; 63. and a second water discharge pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
Referring to fig. 1, the side wall of the foundation pit is provided with a supporting structure 11 for preventing earthwork collapse of the side wall of the foundation pit, the supporting structure 11 includes steel sheet piles 111 clinging to the side walls of the four sides of the foundation pit, crown beams 112 fixed on the inner sides of each row of the steel sheet piles 111, and supporting beams 113 for fixing two adjacent crown beams 112, the steel sheet piles 111 are groove-shaped steel sheets with trapezoidal cross sections, the steel sheet piles 111 are distributed on the side wall of the foundation pit in a staggered manner, and inclined planes on the outer sides of the two adjacent steel sheet piles 111 are connected to form a row.
The embodiment of the application discloses deep basal pit drainage facility. Referring to fig. 1 and 2, a deep basal pit drainage facility, including the vertical infiltration section of thick bamboo 2 and the bounding wall 4 of placing at the bottom of the foundation ditch, the bounding wall 4 is outer vertical to be hugged closely and is provided with many billet 41, and billet 41 has many steel rings 42 with the outer winding of bounding wall 4, and billet 41 is fixed bounding wall 4 with the cooperation of steel ring 42.
Referring to fig. 3, a gravel layer 51 and a structural sand layer 52 are laid on the exterior of the water-permeable cylinder 2 and the coaming 4 from bottom to top. The gravel layer 51 and the structural sand layer 52 are laid to facilitate the fixing of the water seepage cylinder 2 and the coaming 4, meanwhile, the gravel layer 51 and the structural sand layer 52 are matched with water to form a sand backfill layer, and compared with backfill, the foundation is more stable due to higher geographic bearing capacity.
Referring to fig. 3 and 4, one section of barrel section 21 has been omitted in the figure, suction pump 6 has been placed to the foundation ditch periphery, and suction pump 6 is connected with drinking-water pipe 61, and the drinking-water pipe 61 other end is arranged in sewage and is left the interval with the top surface of structure gravel layer 52, and the one end cladding that drinking-water pipe 61 was put into in sewage has second geotechnological cloth 62 for with the sewage prefilter of extraction, the suction pump 6 other end is connected with second drain pipe 63. The preliminary filtration of the second geotechnological cloth 62 of one end cladding in sewage is put into through drinking-water pipe 61 to sewage in the foundation ditch, has reduced the solid impurity of the aquatic of extraction, and water in the suction pump 6 will be taken out in the foundation ditch, arranges to water storage department or sedimentation tank through second drain pipe 63, discharges after deposiing.
Referring to fig. 4, a first geotextile 23 is coated outside the water seepage cylinder 2, the water seepage cylinder 2 is divided into a plurality of cylinder sections 21, a throat hoop 24 is fixed between two adjacent cylinder sections 21, the first geotextile 23 is positioned between the joint of the two adjacent cylinder sections 21 and the throat hoop 24, namely, the throat hoop 24 fixes the first geotextile 23 outside the cylinder body of the water seepage cylinder 2 while fixing the two adjacent cylinder sections 21, the side wall of the water seepage cylinder 2 is provided with water seepage holes 22, a sand filter layer 25 is laid in the water seepage cylinder 2, a sewage pump 3 is placed on the sand filter layer 25, the sewage pump 3 is connected with a first drainage pipe 31, and the first drainage pipe 31 leads to a water storage place or a sedimentation tank outside a foundation pit. In sewage enters into a infiltration section of thick bamboo 2 through the infiltration hole 22 and the bobbin base of a infiltration section of thick bamboo 2 lateral wall in the foundation ditch, through the simple filtration of the first geotechnological cloth 23 outside the body of a infiltration section of thick bamboo 2 and the sand filtration layer 25 of bobbin base, the solid impurity of aquatic in a infiltration section of thick bamboo 2 has been reduced, sewage pump 3 takes out the water in a infiltration section of thick bamboo 2, arrange to water storage department or sedimentation tank through first drain pipe 31, discharge after deposiing, at the in-process that the water level descends step by step, section of thick bamboo 21 that will be located on the water level is demolishd step by step with bounding wall 4.
Referring to fig. 3 and 5, when the sewage in the foundation pit is pumped to the water level and reaches the gravel layer 51, the water seepage cylinders 2 are completely removed, the holes formed after the water seepage cylinders 2 are removed are filled to the top surface of the structural gravel layer 52 through the gravel and the gravels, and concrete is laid on the structural gravel layer 52 to form a cushion layer 53.
Referring to fig. 1, reinforcing steel bars are fixed in the enclosing plate 4 and concrete is filled in the enclosing plate to form a foundation column in the foundation, after the foundation column is built, part of earthwork dug in a foundation pit is backfilled layer by layer and compacted, the foundation pit is filled, the supporting structure 11 is gradually removed in the process of filling, and simultaneously, holes formed after the supporting structure 11 is removed are filled, so that the whole building of the foundation is completed.
The implementation principle of the deep foundation pit drainage facility in the embodiment of the application is as follows: the steel sheet pile 111 is driven into the ground according to a planned route, the upper part of the earth is excavated, the crown beams 112 are fixed in parallel to the other side of the steel sheet pile 111 contacting with the soil, the support beams 113 are fixed near the joint of the two connected crown beams 112, and the crown beams 112 and the steel sheet pile 111 are fixed, so that the support structure 11 of the deep foundation pit is formed.
And continuously excavating downwards and transporting out the earthwork to the planned depth, wherein the underground water gradually seeps out in the process and is mixed with soil particles to form turbid sewage.
The first geotextile 23 is coated outside the water seepage cylinder 2 divided into a plurality of cylinder sections 21, the hose clamp 24 is fixed outside the first geotextile 23 coated outside the adjacent two cylinder sections 21, and the cylinder sections 21 are detachably connected. Enclose bounding wall 4 into the rectangle and fix through the vertical billet 41 of hugging closely outside bounding wall 4 and the steel ring 42 of twining in billet 41 and bounding wall 4, can dismantle the connection with multistage bounding wall 4 through billet 41 and steel ring 42. The infiltration cylinder 2 and the coaming 4 are vertically arranged at the planned position in the foundation pit, gravel and structural gravel are sequentially filled in the foundation pit outside the infiltration cylinder 2 and the coaming 4 to form a gravel layer 51 and a structural gravel layer 52, the gravel with the required depth is injected into the infiltration cylinder 2 to form a sand filter layer 25, and the sewage pump 3 connected with the first drainage pipe 31 is arranged in the infiltration cylinder 2.
Place a plurality of suction pumps 6 in the foundation ditch periphery, suction pump 6 pumps one end and is connected with drinking-water pipe 61, and the other end is connected with second drain pipe 63, and the cladding of the drinking-water pipe 61 other end has second geotechnological cloth 62, puts into the sewage with the drinking-water pipe 61 that has second geotechnological cloth 62 to make the drinking-water pipe 61 bottom unsettled on structure gravel layer 52 top surface, can begin to pump sewage in the foundation ditch.
The sewage in the foundation pit is pumped to the water level to reach the gravel layer 51 by the suction of the sewage pump 3 in the water seepage cylinder 2 and the water suction pump 6 at the periphery of the foundation pit, the cylinder section 21 higher than the water level and the coaming 4 are gradually removed in the process of lowering the water level, and finally the cylinder section 21 embedded in the gravel layer 51 and the structural gravel layer 52 is removed. The holes formed after the barrel sections 21 are removed are filled to the top surface of the structural gravel layer 52 by gravel and gravels, and concrete is laid on the top surface of the structural gravel layer 52 to form a cushion layer 53.
The method comprises the steps of placing vertical steel bars and concrete in the enclosing plates 4, gradually adding up the enclosing plates 4, simultaneously continuously placing the steel bars and injecting the concrete to form foundation pillars, when the foundation pillars are built to a required height, gradually backfilling excavated earth or backfill with more stable foundations into a foundation pit, compacting the backfilled earth, gradually dismantling the supporting structure 11, filling holes formed after the supporting structure 11 is dismantled, and finishing the construction of the foundation when the planned height is reached.
The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a deep basal pit drainage facility which characterized in that: including a plurality of infiltration section of thick bamboo (2) that set up on the foundation ditch bottom, infiltration section of thick bamboo (2) embeds there is sewage pump (3) that is used for extracting sewage, sewage pump (3) are connected with first drain pipe (31) that are used for discharging sewage, infiltration section of thick bamboo (2) contain a plurality of sections (21), adjacent two the connection can be dismantled in section of thick bamboo (21), infiltration section of thick bamboo (2) stack shell is equipped with a plurality of infiltration holes (22), infiltration section of thick bamboo (2) outer cladding has first geotechnological cloth (23), first geotechnological cloth (23) and adjacent two section of thick bamboo section (21) junction is equipped with and is used for fixed adjacent two sections throat hoop (24) of section of thick bamboo (21) and first geotechnological cloth (23).
2. A deep foundation pit drainage facility according to claim 1, wherein: and a sand filtering layer (25) which is composed of sand and stone and used for filtering sewage in the foundation pit is laid at the bottom in the water seepage cylinder (2).
3. A deep foundation pit drainage facility according to claim 1, wherein: be equipped with a plurality of detachable coamings (4) that are used for filling concrete and reinforcing bar at the foundation ditch bottom, coamings (4) highly are higher than the foundation ditch internal water level, are connected with first drain pipe (31) sewage pump (3) are arranged in bottom in coamings (4).
4. A deep foundation pit drainage facility according to claim 3, wherein: a gravel layer (51) formed by gravel and a structural gravel layer (52) formed by gravel are laid outside the water seepage cylinder (2) and the coaming (4) from bottom to top.
5. A deep foundation pit drainage facility according to claim 1, wherein: be equipped with a plurality of suction pumps (6) outside the foundation ditch, suction pump (6) are connected with drinking-water pipe (61) that are used for extracting sewage and second drain pipe (63) that are used for discharging sewage, drinking-water pipe (61) are kept away from the one end of suction pump (6) is arranged in the foundation ditch in the sewage.
6. A deep foundation pit drainage facility according to claim 5, wherein: one end, far away from the water suction pump (6), of the water suction pipe (61) is coated with a second geotextile (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023038158.8U CN214497556U (en) | 2020-12-16 | 2020-12-16 | Deep foundation pit drainage facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023038158.8U CN214497556U (en) | 2020-12-16 | 2020-12-16 | Deep foundation pit drainage facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214497556U true CN214497556U (en) | 2021-10-26 |
Family
ID=78208833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023038158.8U Expired - Fee Related CN214497556U (en) | 2020-12-16 | 2020-12-16 | Deep foundation pit drainage facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214497556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411789A (en) * | 2022-03-05 | 2022-04-29 | 三明市水利水电工程有限公司 | River channel precipitation construction method |
-
2020
- 2020-12-16 CN CN202023038158.8U patent/CN214497556U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411789A (en) * | 2022-03-05 | 2022-04-29 | 三明市水利水电工程有限公司 | River channel precipitation construction method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |