CN217460590U - Strengthen foundation ditch structure of drainage - Google Patents
Strengthen foundation ditch structure of drainage Download PDFInfo
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- CN217460590U CN217460590U CN202123325781.6U CN202123325781U CN217460590U CN 217460590 U CN217460590 U CN 217460590U CN 202123325781 U CN202123325781 U CN 202123325781U CN 217460590 U CN217460590 U CN 217460590U
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Abstract
The utility model discloses a strengthen foundation ditch structure of drainage, a serial communication port, include: the plurality of cast-in-place piles are distributed on the front side and the rear side of the foundation pit; the first water stopping piles are distributed on the upper side and the lower side of the foundation pit and positioned between two adjacent cast-in-place piles; the intercepting ditches are arranged on one sides of the cast-in-place piles, and the extending direction of the intercepting ditches is the same as that of the cast-in-place piles; the drainage effect can be improved by applying the mechanism.
Description
Technical Field
The utility model relates to a construction, in particular to strengthen foundation ditch structure of drainage.
Background
A foundation pit refers to a soil pit excavated at a foundation design position according to the substrate elevation and the foundation plane size; in urban construction engineering, a foundation pit is mainly used for construction of underground buildings such as building basements, underground passages, underground pipe galleries, subway stations, bridge abutments and the like, and is generally divided into two types, namely no support and support; because the soil quality of the existing foundation pit construction site is unstable, the influence of underground water is often accompanied; therefore, supporting excavation is increasingly used.
In the existing foundation pit supporting structure, the water-stopping pile lap joint mode is widely adopted to play a role in stopping water and stopping silt; adopt the lapped form of stagnant water stake, because the stagnant water stake is deep into the horizon, can't block the earth's surface stagnant water on upper strata, can only be simple block groundwater and secret silt, can't play the effect of comprehensive cover, be difficult to play good mediation water conservancy diversion effect, when the flow of local surface stagnant water is great, pile up earth's surface debris in manger plate structure department easily, influence the construction of foundation ditch.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a strengthen foundation ditch structure of drainage can improve the manger plate effect.
The utility model discloses a strengthen foundation ditch structure of drainage, a serial communication port, include: the plurality of cast-in-place piles are distributed on the front side and the rear side of the foundation pit; the first water stopping piles are distributed on the upper side and the lower side of the foundation pit and positioned between two adjacent cast-in-place piles; and the intercepting ditches are arranged on one sides of the cast-in-place piles, and the extending direction of the intercepting ditches is the same as that of the cast-in-place piles.
According to some embodiments of the utility model, the catch basin has many, and two catch basins distribute in a plurality of bored concrete pile extending direction's both sides.
According to some embodiments of the utility model, the extension length of intercepting ditch is more than or equal to the distribution length of bored concrete pile and first stagnant water stake.
According to some embodiments of the utility model, a plurality of sump wells have been seted up to the catch basin.
According to some embodiments of the invention, the plurality of catchment wells are spaced apart along the extension of the berm.
According to some embodiments of the utility model, bored concrete pile and first stagnant water stake overlap joint set up.
According to some embodiments of the present invention, the overlapping amount of the filling pile and the first water stop pile is 100-200 mm.
According to some embodiments of the utility model, first stagnant water stake is the jet grouting stake.
According to some embodiments of the utility model, the top of first stagnant water stake and bored concrete pile is provided with the crown beam.
According to the utility model discloses a some embodiments, strengthen the foundation ditch structure of drainage and still include the steel pipe inner support, support the preceding lateral wall and the back lateral wall of both ends difference butt foundation ditch in the steel pipe.
By applying the foundation pit structure for reinforcing drainage, in the actual construction process, cast-in-place piles are firstly installed around the foundation pit, then first water-stop piles are installed between the cast-in-place piles, and one sides of the distribution areas of the cast-in-place piles and the first water-stop piles are excavated to form a water-intercepting ditch, in the sinking operation process, the distribution of the water-stop piles and the cast-in-place piles plays the role of a water-stop curtain, so that the condition that the sinking structure is inclined due to quicksand and mud gushing of a deep silt layer in the sinking process of a local fine sand stratum is prevented; and the intercepting ditch can prevent that bored concrete pile and the too much condition that influences the construction of sedimentation in first stagnant water pile one side from flowing material water such as mud of gushing that first stagnant water pile and bored concrete pile blocked from leading to other places, effectively improves the manger plate effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a foundation pit structure in an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at C of FIG. 1;
the above figures contain the following reference numerals.
| Reference numerals | Name (R) |
| 100 | |
| 110 | Water collecting well |
| 120 | Cast-in- |
| 130 | First |
| 210 | Steel pipe |
| 220 | Crown beam |
Detailed Description
Reference will now be made in detail to the 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 functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, the foundation pit structure for reinforcing drainage of the present embodiment includes: a plurality of cast-in-place piles 120 distributed on the front and rear sides of the foundation pit; the plurality of first water-stopping piles 130 are distributed on the upper side and the lower side of the foundation pit, and the first water-stopping piles 130 are positioned between two adjacent cast-in-place piles 120; intercepting drain 100 is provided on one side of cast-in-place piles 120, and the extending direction of intercepting drain 100 is the same as the extending direction of cast-in-place piles 120.
By applying the foundation pit structure for reinforcing drainage, in the actual construction process, the filling piles 120 are firstly installed around the foundation pit, then the first water stop piles 130 are installed between the filling piles 120, the intercepting ditches 100 are excavated on one side of the distribution area of the filling piles 120 and the first water stop piles 130, and in the open caisson operation process, the distribution of the water stop piles and the filling piles 120 plays a role of a water stop curtain to prevent the condition that the open caisson structure is inclined due to the flowing sand and the mud gushing of a deep mud layer in the process of sinking a local fine sand stratum in the open caisson; the intercepting ditch 100 can guide water blocked by the first water-stopping pile 130 and the cast-in-place pile 120 and flowing substances such as mud gushing to other places, so that the condition that construction is influenced by excessive silting on one side of the cast-in-place pile 120 and one side of the first water-stopping pile 130 is prevented, and the water-stopping effect is effectively improved.
Specifically, there are a plurality of intercepting ditches 100, and two intercepting ditches 100 are distributed on both sides of the extending direction of the plurality of cast-in-place piles 120; as shown in fig. 1, a linear array of first water-stopping piles 130 and cast-in-place piles 120 is distributed on both the front side and the rear side of the foundation pit, and intercepting ditches 100 are arranged on both the inner side and the outer side of the distribution direction of the array of each first water-stopping pile 130 and cast-in-place pile 120, and are used for guiding the sludge on both the inner side and the outer side.
Wherein, in order to ensure the drainage effect of the intercepting drain 100, the intercepting drain 100 extends for a length greater than or equal to the distribution lengths of the cast-in-place piles 120 and the first waterstop piles 130.
As shown in fig. 1 to 3, the intercepting drain 100 is provided with a plurality of water collecting wells 110, and the plurality of water collecting wells 110 are distributed at intervals along the extending direction of the intercepting drain 100; wherein, the depth of the water collecting well 110 is larger than that of the intercepting drain 100.
As shown in fig. 2 and 3, the cast-in-place pile 120 and the first water stop pile 130 are arranged in an overlapping manner; at this time, the center distance between the adjacent cast-in-place piles 120 and the first water stop pile 130 is smaller than the sum of the diameters of the adjacent cast-in-place piles 120 and the first water stop pile 130, that is, the adjacent cast-in-place piles 120 are overlapped, so that the sealing performance can be effectively improved.
In order to ensure the overlapping effect and reduce the construction difficulty as much as possible, the overlapping amount of the filling pile 120 and the first water-stopping pile 130 is 100-200 mm; preferably 150 mm.
As shown in fig. 2 and 3, the first water stop pile 130 is a jet grouting pile; the jet grouting pile is characterized in that a jet grouting pipe and a nozzle drill are arranged at a designed elevation at the bottom of the pile by using a drilling machine, prepared slurry in advance is sprayed out from a nozzle at the edge of the grouting pipe at a high speed after obtaining huge energy through a high-pressure generating device to form a stream with highly concentrated energy, a soil body is directly damaged, a drill rod is lifted while rotating in the spraying process, the slurry and the soil body are fully stirred and mixed, and a columnar solidification body with a certain diameter is formed in the soil, so that a foundation is reinforced; the first water stopping pile 130 is manufactured by adopting a jet grouting process, so that the reinforcing effect of the first water stopping pile 130 can be effectively improved.
As shown in fig. 1, the top of the first waterstop pile 130 and the cast-in-place pile 120 is provided with a crown beam 220; the main load of the bent cap is the concentrated force transmitted by the upper beam body through the support, the bent cap is used as a bending member, and under the action of the load, bending moment is caused on each section, and meanwhile, the action of shear force is accompanied; the crown beam 220 is arranged at the top of the first water-stopping pile 130 and the cast-in-place pile 120, so that the structural stability of the first water-stopping pile 130 and the cast-in-place pile 120 can be effectively improved.
As shown in fig. 1, the foundation pit structure further includes a steel pipe inner support 210, and both ends of the steel pipe inner support 210 are respectively abutted to the front side wall and the rear side wall of the foundation pit.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A foundation pit structure for reinforcing drainage is characterized by comprising:
the cast-in-place piles (120) are distributed on the front side and the rear side of the foundation pit;
the first water-stopping piles (130) are distributed on the upper side and the lower side of the foundation pit, and the first water-stopping piles (130) are positioned between two adjacent cast-in-place piles (120);
and a catch basin (100) disposed at one side of the plurality of cast-in-place piles (120), wherein the extension direction of the catch basin (100) is the same as the extension direction of the plurality of cast-in-place piles (120).
2. The foundation pit structure for enhancing water drainage as claimed in claim 1, wherein the intercepting drain (100) has a plurality of intercepting drains, and two intercepting drains (100) are disposed at both sides of the extending direction of the cast-in-place piles (120).
3. The foundation pit structure for enhancing drainage of claim 2, wherein the intercepting drain (100) has an extended length greater than or equal to the distribution lengths of the cast-in-place piles (120) and the first water stopping piles (130).
4. The foundation pit structure for enhancing drainage of claim 1, wherein the intercepting drain (100) is opened with a plurality of water collecting wells (110).
5. A drainage enhancement foundation pit structure according to claim 4, wherein a plurality of water collection wells (110) are spaced apart along the extension of the intercepting drain (100).
6. A drainage enhancement foundation pit structure according to claim 1, wherein the cast-in-place pile (120) and the first water stop pile (130) are arranged in overlapping relationship.
7. The foundation pit structure for reinforcing drainage according to claim 6, wherein the overlapping amount of the cast-in-place pile (120) and the first water stop pile (130) is 100-200 mm.
8. An enhanced drainage foundation pit structure according to claim 7, wherein the first water stop pile (130) is a jet grouting pile.
9. A drainage enhancement foundation pit structure according to claim 1, wherein a top of the first water stop pile (130) and the cast-in-place pile (120) is provided with a crown beam (220).
10. The foundation pit structure for enhancing drainage according to claim 1, further comprising a steel pipe inner support (210), wherein two ends of the steel pipe inner support (210) are respectively abutted against a front side wall and a rear side wall of the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123325781.6U CN217460590U (en) | 2021-12-27 | 2021-12-27 | Strengthen foundation ditch structure of drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123325781.6U CN217460590U (en) | 2021-12-27 | 2021-12-27 | Strengthen foundation ditch structure of drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460590U true CN217460590U (en) | 2022-09-20 |
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ID=83261785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123325781.6U Active CN217460590U (en) | 2021-12-27 | 2021-12-27 | Strengthen foundation ditch structure of drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217460590U (en) |
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2021
- 2021-12-27 CN CN202123325781.6U patent/CN217460590U/en active Active
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