CN209816930U - Built-in double-layer steel drum drainage system of basement bottom plate post-cast strip - Google Patents
Built-in double-layer steel drum drainage system of basement bottom plate post-cast strip Download PDFInfo
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- CN209816930U CN209816930U CN201920225914.6U CN201920225914U CN209816930U CN 209816930 U CN209816930 U CN 209816930U CN 201920225914 U CN201920225914 U CN 201920225914U CN 209816930 U CN209816930 U CN 209816930U
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Abstract
The utility model relates to a built-in double-deck steel drum of basement bottom plate post-cast strip falls drainage system, its characterized in that: the device comprises a double-layer steel barrel, a graded filter layer, a barrel mouth steel plate, a post-grouting water-resisting layer and the like; the double-layer steel barrel mainly comprises an outer-layer steel barrel, an inner-layer steel barrel and a steel barrel bottom plate, wherein water inlet holes are formed in the outer-layer steel barrel and the inner-layer steel barrel; the circular dense-mesh steel wire gauze bag is circular, and the upper part of the circular dense-mesh steel wire gauze bag is provided with a filling opening; the bucket opening steel plate is provided with a grouting floral tube hole, a water pumping tube hole and an exhaust tube hole; the post-grouting water-resisting layer is a water-resisting layer formed after grouting the gravel layer. The utility model relates to a drainage system falls has simple manufacture, and construction convenience is high-efficient, and it is effectual to fall the drainage, can reduce by a wide margin and fall drainage expense, has better economic benefits and social.
Description
Technical Field
The utility model relates to a foundation ditch drainage engineering technical field particularly, relates to a built-in double-deck steel drum of basement floor post-cast strip falls drainage system, is applicable to the basement post-cast strip and falls the drainage construction, is particularly useful for taking the area pressure crack to gush water the play water point scope little, go out the water point concentrated closed basement and fall drainage structures.
Background
At present, a dewatering well is arranged at a foundation pit construction stage in the early stage for pumping and draining water aiming at a water burst water outlet point with a pressure crack, the dewatering well is cut off in the middle of a bottom plate when closed, a sealing steel plate is welded after materials such as concrete and the like are poured into the dewatering well, and finally the concrete of the bottom plate is poured. The method has the disadvantages that the reserved space in the bottom plate is narrow, the depth of part of the bottom plate is too deep, the dewatering well is easily damaged in the actual construction process, the sealing operation of the dewatering well is complex, the effect is poor and the like, so that the later serious water permeation risk and the floating hidden danger of the basement are caused.
The underground water-lowering and water-draining device is characterized in that a temporary water collecting pit is arranged at the position of a post-pouring zone settled on a basement bottom plate in the construction of water-bursting and water-discharging points with pressure cracks, a water-lowering corrugated pipe is buried, a novel water-lowering and water-draining device is installed on the upper portion of the water-lowering corrugated pipe, and finally a water-lowering well and the post-pouring zone are poured together for sealing.
Aiming at the problem of the foundation pit drainage of the water gushing and water outlet point with the pressure crack, a built-in double-layer steel barrel drainage system of the post-cast strip of the basement floor is needed to be developed, the system can properly replace the function of a drainage well arranged in the early foundation pit construction stage in the later construction, the early drainage well can be sealed in advance, the drainage effect of the basement and the main structure construction stage is ensured, the drainage device is simple in structure, the drainage cost is low, and the drainage problem of the basement is well solved. The utility model discloses it just develops under such background and forms, is applied to and produces better economic and social benefit in the actual construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the basement drainage problem that falls well that drainage bottom plate internal reserve space is narrow and small, partial bottom plate degree of depth is too dark, the precipitation well suffers destruction, precipitation well seals the complicated, the not good scheduling problem of effect of operation easily in the actual work progress to traditional foundation ditch precipitation drainage bottom plate, has provided a built-in double-deck steel drum of basement bottom plate post-cast strip drainage system that falls.
In order to realize the technical purpose, the utility model discloses a following technical scheme:
the utility model relates to a drainage system with a built-in double-layer steel barrel arranged in a post-cast strip of a basement bottom plate, which comprises a water guide blind ditch, an advanced water stop strip, graded sand stones, a double-layer steel barrel, a circular dense steel wire gauze bag, a graded filter layer, a gravel layer, a water stop steel ring, a barrel mouth steel plate, a grouting flower tube, a water pumping tube, an exhaust pipe, a post-grouting water-stop layer and a post-cast strip; the double-layer steel barrel is of a double-layer steel barrel structure consisting of an outer-layer steel barrel, an inner-layer steel barrel and a steel barrel bottom plate, and the bottom of the steel barrel bottom plate is provided with a fixed leg; the outer layer steel barrel and the inner layer steel barrel are uniformly provided with a plurality of water inlet holes; the ring-shaped dense-mesh steel wire gauze bag is filled with graded broken stones and sleeved on the inner layer steel barrel to form a graded filtering layer; a gravel layer is arranged between the graded filter layer and the outer steel barrel, and a grouting floral tube is pre-buried in the gravel layer; the bucket opening steel plate is provided with a plurality of grouting floral tube holes, and the center of the bucket opening steel plate is provided with a water pumping pipe hole and an air exhaust pipe hole; and the post-grouting water-resisting layer is formed after the gravel layer is grouted by the grouting floral tubes after dewatering and draining are finished.
The double-layer steel barrel is fixed on an original soil layer through a fixing leg at the bottom, and graded gravel is filled between the double-layer steel barrel and the water guide blind ditch.
The bucket mouth steel sheet on set up blast pipe and drinking-water pipe, a valve is respectively installed to the upper end.
And a water stopping steel ring is arranged at the contact position of the double-layer steel barrel and the advanced water stop belt.
Before the post-cast strip is sealed and poured, the quick-setting grouting body is poured into the double-layer steel barrel through the water pumping pipe.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) by utilizing the structure of the double-layer steel barrel, a gravel layer and a graded filter layer are arranged in the double-layer steel barrel for filtering for multiple times, so that underground water can be effectively recycled, and tap water consumption is reduced;
(2) the double-layer steel drum is low in manufacturing cost, the double-layer steel drum is poured in the post-pouring belt, the foundation is not affected, the construction cost is low, and the popularization and the application are easy;
(3) the supporting legs at the bottom of the double-layer steel drum can be directly inserted into the original soil layer to play a role in fixing; and because the double-layer steel barrel is only provided with the water through holes on the side wall, the underground water can only flow into the periphery of the double-layer steel barrel through the water guide blind ditch, so that the problems of displacement, looseness and side turning of the double-layer steel barrel caused by water flowing from the bottom are avoided;
(4) when the construction of the basement bottom plate is finished, grouting is carried out between the barrel walls through the grouting pipes, and the gravel layer becomes a post-grouting water-resisting layer after grouting, so that the double-layer steel barrel forms a closed structure, and favorable conditions are provided for sealing post-grouting in the steel barrel;
(5) by adopting the drainage system with the double-layer steel barrel arranged in the post-cast strip of the basement floor and the construction method, the drainage effect is good during use, the sealing operation at the later stage is simple and convenient, the sealing effect is good, the drainage cost is low during construction, the construction is economic and environment-friendly, and the drainage system has good technical and economic benefits.
Drawings
FIG. 1 is a schematic structural view of a drainage system of a double-layer steel barrel built in a post-cast strip of a basement floor;
FIG. 2 is a sectional view taken along line B-B of FIG. 1;
FIG. 3 is a schematic view of a grouting pre-sealing structure of a drainage system of a double-layer steel barrel built in a basement floor post-cast strip;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 5 is a schematic view of the post-cast strip after complete closure;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 5;
FIG. 7 is a schematic view of a double-layer steel barrel structure;
FIG. 8 is a sectional view taken along line A-A of FIG. 7;
fig. 9 is a schematic view of the structure of a circular dense mesh steel wire gauze bag.
In the figure: 1. the water-saving and water-saving type water-saving drainage system comprises an original soil layer, 2. a water-guiding blind ditch, 3. an advanced water stop, 4. a bottom plate, 5. graded gravel, 6. a double-layer steel barrel, 601. a water inlet hole, 602. a steel barrel bottom plate, 603. a fixing leg, 604. an outer-layer steel barrel, 605. an inner-layer steel barrel, 7. an annular dense steel wire gauze bag, 8. a graded filtering layer, 9. a gravel layer, 10. a water-stopping steel ring, 11. a barrel mouth steel plate, 1101. a grouting flower tube hole, 1102. a water pumping tube hole, 1103. an air exhaust tube hole, 12. a grouting flower tube, 13. a water pumping tube, 14. an air exhaust tube, 15. a valve, 16. a post-grouting water-stop layer, 17. a post-pouring belt, 18.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following embodiments, which are not intended to limit the present invention.
Combine attached figure 1 and fig. 2 to show, the utility model relates to a drainage system falls to built-in double-deck steel drum of basement bottom plate post-cast strip includes water guide french drain 2, leading waterstop 3, graded gravel 5, double-deck steel drum 6, ring form dense mesh steel wire gauze bag 7, graded filter layer 8, gravel layer 9, stagnant water steel ring 10, bung hole steel sheet 11, slip casting flower tube 12, drinking-water pipe 13, blast pipe 14, post-grouting water-stop layer 16, post-cast strip 17. The double-layer steel barrel 6 is of a double-layer steel barrel structure consisting of an outer-layer steel barrel 605, an inner-layer steel barrel 606 and a steel barrel bottom plate 602, and the bottom of the steel barrel bottom plate 602 is provided with a fixing leg 603; the outer layer steel barrel 605 and the inner layer steel barrel 606 are uniformly provided with a plurality of water inlet holes 601; the ring-shaped dense-mesh steel wire gauze bag 7 is filled with graded broken stones and sleeved on the inner layer steel barrel 606 to form a graded filter layer 8; a gravel layer 9 is arranged between the graded filter layer 8 and the outer steel barrel 605, and a grouting floral tube 12 is pre-embedded in the gravel layer 9; a plurality of grouting flower pipe holes 1101 are formed in the bucket opening steel plate 11, and a water pumping pipe hole 1102 and an exhaust pipe hole 1103 are formed in the center of the bucket opening steel plate 11; an exhaust pipe 14 and a water pumping pipe 13 are arranged on the bucket opening steel plate 11, and a valve 15 is respectively arranged at the upper end of each bucket opening steel plate; the rear grouting water-resisting layer 16 is formed after grouting the gravel layer 9 through the grouting floral tubes 12 after water descending and drainage are finished; a water-stopping steel ring 10 is arranged at the contact position of the double-layer steel barrel 6 and the advanced water stop belt 3; the double-layer steel barrel 6 is fixed on the original soil layer 1 through a fixing leg 603 at the bottom, and graded sand 5 is filled between the double-layer steel barrel and the water guide blind ditch 2.
As shown in fig. 3, 4, 5 and 6, the post-grouting water-stop layer 16 is a water-stop layer formed after grouting the gravel layer 9 through the grouting floral tube 12 after the water lowering and drainage is finished; before the post-cast strip 17 is sealed and poured, the quick-setting grouting body 18 is poured into the double-layer steel barrel 6 through the water pumping pipe 13.
As shown in fig. 7 and 8, the double-layer steel drum 6 has a double-layer steel drum structure consisting of an outer-layer steel drum 605, an inner-layer steel drum 606 and a steel drum bottom plate 602, and the bottom of the steel drum bottom plate 602 is provided with a fixing leg 603; the outer layer steel barrel 605 and the inner layer steel barrel 606 are uniformly provided with a plurality of water inlet holes 601.
As shown in fig. 9, the ring-shaped dense-mesh steel wire gauze bag 7 is filled with graded crushed stone and is sleeved on the inner steel barrel 606 to form a graded filter layer 8.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. The utility model provides a built-in double-deck steel drum of basement bottom plate post-cast strip falls drainage system which characterized in that: the water-stop blind ditch comprises a water-guide blind ditch (2), an advanced water-stop belt (3), graded gravel (5), a double-layer steel barrel (6), a circular dense steel wire gauze mesh bag (7), a graded filter layer (8), a gravel layer (9), a water-stop steel ring (10), a barrel mouth steel plate (11), a grouting flower tube (12), a water pumping tube (13), an exhaust pipe (14), a post-grouting water-stop layer (16) and a post-pouring belt (17); the double-layer steel barrel (6) is of a double-layer steel barrel structure consisting of an outer-layer steel barrel (605), an inner-layer steel barrel (606) and a steel barrel bottom plate (602), and fixing legs (603) are arranged at the bottom of the steel barrel bottom plate (602); the outer layer steel barrel (605) and the inner layer steel barrel (606) are uniformly provided with a plurality of water inlet holes (601); the ring-shaped dense-mesh steel wire gauze bag (7) is filled with graded broken stones and sleeved on the inner layer steel barrel (606) to form a graded filter layer (8); a gravel layer (9) is arranged between the graded filter layer (8) and the outer layer steel barrel (605), and a grouting floral tube (12) is pre-buried in the gravel layer (9); a plurality of grouting floral tube holes (1101) are formed in the bucket opening steel plate (11), and a water pumping tube hole (1102) and an exhaust tube hole (1103) are formed in the center of the bucket opening steel plate (11); and the rear grouting water-resisting layer (16) is formed after the gravel layer (9) is grouted through the grouting floral tubes (12) after the water lowering and drainage are finished.
2. The basement floor post-cast strip built-in double-layer steel barrel drainage system according to claim 1, characterized in that: the double-layer steel barrel (6) is fixed on an original soil layer (1) through a fixing leg (603) at the bottom, and graded sand stones (5) are filled between the double-layer steel barrel and the water guide blind ditch (2).
3. The basement floor post-cast strip built-in double-layer steel barrel drainage system according to claim 1, characterized in that: the bucket opening steel plate (11) is provided with an exhaust pipe (14) and a water pumping pipe (13), and the upper end of the bucket opening steel plate is provided with a valve (15) respectively.
4. The basement floor post-cast strip built-in double-layer steel barrel drainage system according to claim 1, characterized in that: and a water stopping steel ring (10) is arranged at the contact position of the double-layer steel barrel (6) and the advanced water stop belt (3).
5. The basement floor post-cast strip built-in double-layer steel barrel drainage system according to claim 1, characterized in that: and before the post-cast strip (17) is sealed and poured, a quick-setting grouting body (18) is poured into the double-layer steel barrel (6) through the water pumping pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225914.6U CN209816930U (en) | 2019-02-23 | 2019-02-23 | Built-in double-layer steel drum drainage system of basement bottom plate post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225914.6U CN209816930U (en) | 2019-02-23 | 2019-02-23 | Built-in double-layer steel drum drainage system of basement bottom plate post-cast strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209816930U true CN209816930U (en) | 2019-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920225914.6U Expired - Fee Related CN209816930U (en) | 2019-02-23 | 2019-02-23 | Built-in double-layer steel drum drainage system of basement bottom plate post-cast strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209816930U (en) |
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2019
- 2019-02-23 CN CN201920225914.6U patent/CN209816930U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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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: 20191220 Termination date: 20210223 |