CN215211063U - A bag slip casting water proof device for foundation ditch enclosure - Google Patents
A bag slip casting water proof device for foundation ditch enclosure Download PDFInfo
- Publication number
- CN215211063U CN215211063U CN202120741655.XU CN202120741655U CN215211063U CN 215211063 U CN215211063 U CN 215211063U CN 202120741655 U CN202120741655 U CN 202120741655U CN 215211063 U CN215211063 U CN 215211063U
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- Prior art keywords
- bag
- grouting
- steel pipe
- foundation pit
- stop device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 16
- 238000007569 slipcasting Methods 0.000 title abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims description 18
- 239000004927 clay Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to a building engineering technical field, concretely relates to bag slip casting water proof device for foundation ditch enclosure. Comprises a retaining filling pile (1), a bag grouting steel pipe (2), a grouting hole (3), an angle steel barb (4), a high-strength ring buckle (5), a bag (6) and a bag expanding section (7); the bag grouting steel pipe (2) is arranged between the enclosing cast-in-place piles (1); the bag grouting steel pipe (2) is provided with a plurality of grouting holes (3) at uniform intervals from top to bottom; the angle steel barbs (4) are arranged outside the grouting holes (3) for protection; the middle part of the grouting steel pipe (2) of the injection bag is provided with the bag expanding section (7); the bag (6) wraps the bag expanding section (7) of the bag grouting steel pipe (2) through the high-strength ring fastener (5); the utility model discloses a bag slip casting water proof device construction is quick, and is with low costs, and the water proof effect is excellent.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to bag slip casting water proof device for foundation ditch enclosure.
Background
With the advance of urban construction, the development and utilization of underground space are inevitable trends in construction and development. The common foundation pit enclosure forms are more, wherein the cast-in-place pile enclosure has high rigidity, can be used for a deep and large foundation pit, and has the advantages of small influence on peripheral strata and environment and the like, so that the cast-in-place pile enclosure is widely applied. However, it needs to be installed with a waterproof curtain, which is usually a mixing pile or a jet grouting pile. In an actual engineering case, due to uncertain factors of construction equipment, construction quality, geological conditions and the like, water insulation failure outside a cast-in-place pile enclosure is often encountered to form a leakage point, water leakage and sand flowing are caused, and great influence is generated on a foundation pit and surrounding buildings. A more effective and controllable measure is urgently needed to be found for the waterproof curtain outside the cast-in-place pile enclosure.
SUMMERY OF THE UTILITY MODEL
Not enough more than, the utility model discloses a bag slip casting water proof device for foundation ditch enclosure, the construction is quick, and is with low costs, and the water proof effect is excellent.
The technical scheme of the utility model as follows:
a bag grouting water-stop device for foundation pit support comprises a support filling pile, a bag grouting steel pipe, a grouting hole, an angle steel barb, a high-strength ring buckle, a bag and a bag expanding section; the bag grouting steel pipe is arranged between the enclosing cast-in-place piles; the bag grouting steel pipe is provided with a plurality of grouting holes at uniform intervals from top to bottom; the outer surface of the grouting hole is provided with the angle steel barb protection; the middle part of the grouting steel pipe of the injection bag is provided with the bag expanding section; the bag wraps the bag expanding section of the bag grouting steel pipe through the high-strength ring buckle.
Further, according to the bag grouting water-stop device for foundation pit support, the bag grouting steel pipe sequentially penetrates through the clay layer, the sand layer and the clay layer, and the tail end of the steel pipe is sealed.
Further, according to the bag grouting water-stop device for foundation pit support, the bag expanding section is located in a sandy soil layer, and the length of the bag expanding section is slightly larger than the thickness of the sandy soil layer.
Further, above-mentioned a bag slip casting water stop device for foundation ditch enclosure, bag slip casting steel pipe set up in keep away from one side of foundation ditch between the enclosure bored concrete pile.
Further, according to the bag grouting water-stop device for foundation pit support, the diameter of the bag grouting steel pipe is 48-95 mm.
Further, above-mentioned a bag slip casting water stop device for foundation ditch enclosure, the diameter is 300 and 400mm after the bag slip casting.
Further, according to the bag grouting water-stop device for foundation pit support, the ratio of the height of the angle steel barbs to the diameter of the grouting holes is 2:1-5: 1.
Further, according to the bag grouting water-stop device for foundation pit support, the ratio of the diameter of the bag grouting steel pipe to the diameter of the support grouting pile is 1:5-1: 15.
Further, according to the bag grouting water-stop device for foundation pit support, the length ratio of the part of the bag grouting steel pipe, which is immersed into the bottom of the foundation pit, to the bag grouting steel pipe is 1:2-1: 5.
Further, according to the bag grouting water-stop device for foundation pit support, the diameter of the grouting hole is 8-10 mm.
The utility model discloses following beneficial effect has: the utility model discloses a bag slip casting water proof device for foundation ditch enclosure, in this device, the fender bored concrete pile is construct earlier, then in the fender bored concrete pile outside, between two liang of fender bored concrete piles, construction phi 48 ~ 95 bag slip casting steel pipes, phi 8 ~ 10mm slip casting hole is evenly seted up to bag slip casting steel pipe, bag slip casting steel pipe is located the outer bag of grittiness soil layer scope in addition, the bag both ends are with the latch closure straining that excels in. And then, the bag grouting steel pipe is subjected to segmented grouting, a sandy soil range forms an expansion section with the diameter of 300-400mm through the bag to fill gaps among the enclosure grouting piles, other soil layer areas fill soil body gaps through the reserved grouting holes in a grouting mode to seal a water flow channel, and the waterproof curtain is integrally formed, so that the waterproof effect is achieved, the construction is rapid, the cost is low, and the waterproof effect is excellent.
Drawings
Fig. 1 is an overall layout diagram of a bag grouting water-stop device for foundation pit support according to the present invention;
fig. 2 is a specific structure diagram of the bag grouting water-stop device for foundation pit support of the present invention;
wherein: the high-strength steel angle grouting pile comprises a containment filling pile 1, a bag grouting steel pipe 2, a grouting hole 3, an angle steel barb 4, a high-strength ring buckle 5, a bag 6 and a bag expanding section 7.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly.
Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
The bag grouting water-stop device for foundation pit support as shown in fig. 1-2 is characterized by comprising a support filling pile 1, a bag grouting steel pipe 2, a grouting hole 3, an angle steel barb 4, a high-strength ring buckle 5, a bag 6 and a bag expanding section 7; the bag grouting steel pipe 2 is arranged between the enclosure filling piles 1; the bag grouting steel pipe 2 is provided with a plurality of grouting holes 3 at uniform intervals from top to bottom; the outer surface of the grouting hole 3 is provided with the angle steel barb 4 for protection; the middle part of the grouting steel pipe 2 of the injection bag is provided with the bag expanding section 7; the bag 6 wraps the bag expanding section 7 of the bag grouting steel pipe 2 through the high-strength ring buckle 5; the bag grouting steel pipe 2 sequentially penetrates through the clay layer, the sand layer and the clay layer, and the tail end of the steel pipe is sealed; the diameter expanding section 7 of the bag is positioned in a sand layer.
During construction: firstly constructing enclosure filling piles 1, then constructing phi 48-95 bag grouting steel pipes 2 between every two enclosure filling piles 1 on the outer sides of the enclosure filling piles 1, uniformly forming phi 8-10mm grouting holes 3 in the bag grouting steel pipes 2, covering bags 6 outside the bag grouting steel pipes 2 in a sandy soil layer range, fastening two ends of each bag 6 by using high-strength buckles 5, then performing segmented grouting on the bag grouting steel pipes 2, forming phi 300-400 expanded sections in the sandy soil range through the bags 6 to fill gaps between the enclosure filling piles 1, filling soil body gaps in other soil layer areas through grouting reserved grouting holes 3, sealing a water flow passage, integrally forming a waterproof curtain, and achieving the waterproof effect.
Example 2
The bag grouting water-stop device for foundation pit support as shown in fig. 1-2 is characterized by comprising a support filling pile 1, a bag grouting steel pipe 2, a grouting hole 3, an angle steel barb 4, a high-strength ring buckle 5, a bag 6 and a bag expanding section 7; the bag grouting steel pipe 2 is arranged between the enclosure filling piles 1; the bag grouting steel pipe 2 is provided with a plurality of grouting holes 3 at uniform intervals from top to bottom; the outer surface of the grouting hole 3 is provided with the angle steel barb 4 for protection; the middle part of the grouting steel pipe 2 of the injection bag is provided with the bag expanding section 7; the bag 6 wraps the bag expanding section 7 of the bag grouting steel pipe 2 through the high-strength ring buckle 5; particularly, the bag grouting steel pipe 2 sequentially penetrates through a clay layer, a sand layer and a clay layer, and the tail end of the steel pipe is sealed; preferably, the diameter-expanding section 7 of the bag is positioned in a sandy soil layer, and the length of the diameter-expanding section is slightly greater than the thickness of the sandy soil layer; particularly, the bag grouting steel pipe 2 is arranged on one side, far away from the foundation pit, between the enclosure cast-in-place piles 1; further, the diameter of the bag grouting steel pipe 2 is 48-95 mm; preferably 95 mm; further, the diameter of the bag 6 after grouting is 400mm, preferably 350 mm; particularly, the ratio of the height of the steel barbs 4 to the diameter of the grouting holes 3 is 2:1-5: 1; preferably 1: 3; further, the ratio of the diameter of the bag grouting steel pipe 2 to the diameter of the enclosure grouting pile 1 is 1:5-1:15, preferably 1: 5; further, the ratio of the length of the part of the bag grouting steel pipe 2 submerged into the bottom of the foundation pit to the length of the bag grouting steel pipe 2 is 1:2-1:5, preferably 1: 3; in particular, the diameter of the grouting holes 3 is 8-10mm, preferably 9 mm.
During construction: firstly constructing the enclosure filling piles 1, then constructing phi 95 bag grouting steel pipes 2 between every two enclosure filling piles 1 on the outer sides of the enclosure filling piles 1, uniformly forming phi 9mm grouting holes 3 in the bag grouting steel pipes 2, additionally covering bags 6 outside the bag grouting steel pipes 2 in a sandy soil layer range, fastening two ends of each bag 6 by using high-strength buckles 5, then performing segmented grouting on the bag grouting steel pipes 2, forming phi 350 expansion sections in the sandy soil range through the bags 6, filling gaps between the enclosure filling piles 1, filling soil body gaps in other soil layer areas through grouting reserved grouting holes 3, sealing a water flow channel, integrally forming a waterproof curtain, and achieving a waterproof effect.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.
Claims (10)
1. A bag grouting water-stop device for foundation pit support is characterized by comprising a support filling pile (1), a bag grouting steel pipe (2), grouting holes (3), angle steel barbs (4), a high-strength ring buckle (5), a bag (6) and a bag expanding section (7); the bag grouting steel pipe (2) is arranged between the enclosing cast-in-place piles (1); the bag grouting steel pipe (2) is provided with a plurality of grouting holes (3) at uniform intervals from top to bottom; the outer surface of the grouting hole (3) is provided with the angle steel barb (4) for protection; the middle part of the grouting steel pipe (2) of the injection bag is provided with the bag expanding section (7); the bag (6) wraps the bag expanding section (7) of the bag grouting steel pipe (2) through the high-strength ring fastener (5).
2. The bag grouting water-resisting device for foundation pit bracing according to claim 1, wherein the bag grouting steel pipe (2) sequentially passes through a clay layer, a sand layer and a clay layer, and the tail end of the steel pipe is sealed.
3. The sack grouting water-stop device for foundation pit bracing according to claim 2, characterized in that the length of the sack expanding section (7) is slightly larger than the thickness of the sandy soil layer and is located in the sandy soil layer.
4. The bag grouting water-stop device for foundation pit bracing according to claim 1, characterized in that bag grouting steel pipes (2) are arranged on the side far from the foundation pit between the bracing cast-in-place piles (1).
5. The bag grouting water-stop device for foundation pit bracing according to claim 1, wherein the diameter of the bag grouting steel pipe (2) is 48-95 mm.
6. The grouting water-stop device for the bag of the foundation pit support as claimed in claim 1, wherein the diameter of the bag (6) after grouting is 300-400 mm.
7. The bag grouting water-stop device for foundation pit support according to claim 1, wherein the ratio of the height of the angle steel barbs (4) to the diameter of the grouting holes (3) is 2:1-5: 1.
8. The bag grouting water-stop device for foundation pit bracing according to claim 1, wherein the ratio of the diameter of the bag grouting steel pipe (2) to the diameter of the bracing cast-in-place pile (1) is 1:5-1: 15.
9. The bag grouting water-stop device for foundation pit bracing according to claim 1, wherein the ratio of the length of the part of the bag grouting steel pipe (2) submerged into the bottom of the foundation pit to the length of the bag grouting steel pipe (2) is 1:2-1: 5.
10. The sack grouting water-stop device for foundation pit enclosure according to claim 1, characterized in that the diameter of the grouting hole (3) is 8-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741655.XU CN215211063U (en) | 2021-04-12 | 2021-04-12 | A bag slip casting water proof device for foundation ditch enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120741655.XU CN215211063U (en) | 2021-04-12 | 2021-04-12 | A bag slip casting water proof device for foundation ditch enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215211063U true CN215211063U (en) | 2021-12-17 |
Family
ID=79446612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120741655.XU Active CN215211063U (en) | 2021-04-12 | 2021-04-12 | A bag slip casting water proof device for foundation ditch enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215211063U (en) |
-
2021
- 2021-04-12 CN CN202120741655.XU patent/CN215211063U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
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Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |