CN211080244U - Take foundation ditch supporting construction of precipitation function - Google Patents
Take foundation ditch supporting construction of precipitation function Download PDFInfo
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- CN211080244U CN211080244U CN201921240034.2U CN201921240034U CN211080244U CN 211080244 U CN211080244 U CN 211080244U CN 201921240034 U CN201921240034 U CN 201921240034U CN 211080244 U CN211080244 U CN 211080244U
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- tubular pile
- precast tubular
- foundation pit
- water inlet
- drainage
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Abstract
The utility model discloses a foundation pit supporting structure with dewatering function, which comprises a foundation pit retaining fence formed by arranging and inserting precast tubular piles; the precast tubular pile is a hollow tube, and the lower port of the precast tubular pile is closed; a water inlet is formed in one side, facing the soil layer, of the lower portion of the side wall of the precast tubular pile, and a filtering device is arranged at the water inlet; be equipped with the drainage branch pipe in the precast tubular pile, the top of drainage branch pipe is connected with the drainage and is responsible for, be connected with the water pump on the drainage is responsible for. The utility model discloses have the function of supplementary dewatering to reduce the hydrostatic pressure of soil around the foundation ditch, improve excavation supporting's stability.
Description
Technical Field
The utility model belongs to the technical field of the construction technology of building foundation and specifically relates to a take underground structure of precipitation function is related to.
Background
In municipal works work progress, all construct a large amount of foundation ditches, common supporting construction is like cement mixing stake, concrete retaining wall etc. mainly plays and blocks the effect of side soil pressure. For municipal engineering construction in soft soil areas, foundation pit precipitation is a big problem. Although precipitation treatment is carried out in the foundation pit construction process, when the precipitation amount is too large, the underground water level rises, the drainage efficiency of the original precipitation facility is insufficient, the hydrostatic pressure of soil around the foundation pit is increased, and accidents such as foundation pit support instability and foundation pit collapse are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take excavation supporting construction of precipitation function has the function of supplementary precipitation to reduce the hydrostatic pressure of soil around the foundation ditch, improve excavation supporting's stability.
The above object of the present invention can be achieved by the following technical solutions:
a foundation pit supporting structure with a dewatering function comprises a foundation pit retaining fence formed by arranging and inserting prefabricated pipe piles; the precast tubular pile is a hollow tube, and the lower port of the precast tubular pile is closed; a water inlet is formed in one side, facing the soil layer, of the lower portion of the side wall of the precast tubular pile, and a filtering device is arranged at the water inlet; be equipped with the drainage branch pipe in the precast tubular pile, the top of drainage branch pipe is connected with the drainage and is responsible for, be connected with the water pump on the drainage is responsible for.
Through adopting above-mentioned technical scheme, when supporting construction of foundation ditch was built, through drilling and plug-in dress precast tubular pile as foundation ditch fender fence, can enclose the fender to the soil body around the foundation ditch. Meanwhile, the precast tubular pile is a hollow pipe, the bottom of the precast tubular pile is provided with a water inlet, when the water level of a soil body around the foundation pit rises, under the action of hydrostatic pressure, accumulated water in the surrounding soil is injected into the precast tubular pile from the water inlet, and the accumulated water stored in the precast tubular pile can be drained away by starting a water pump on the main drainage pipe and a drainage branch pipe which is connected to the main drainage pipe and is inserted into the precast tubular pile, so that the effect of assisting precipitation is achieved, and the stability of foundation pit support is improved.
The utility model discloses further set up to: and a liquid level sensor is arranged in the drainage branch pipe.
Through adopting above-mentioned technical scheme, level sensor can be used to detect the water level in the precast tubular pile to the constructor of being convenient for opens and stops to operate the water pump.
The utility model discloses further set up to: the filter equipment is including filling in the cobble layer of precast tubular pile inner chamber bottom, and the height on cobble layer is higher than the water inlet, and the cobble layer passes through nylon mesh bag parcel.
Through adopting above-mentioned technical scheme, the cobble layer has the function of filtering muddy water, and the nylon mesh bag has high wearability, through nylon mesh bag parcel cobble to place the cobble bag in precast tubular pile's bottom and seal the water inlet, not only simple to operate and can effectively filter muddy water.
The utility model discloses further set up to: the nylon pocket outside cover is equipped with the stereoplasm net frame, and the inside wall of stereoplasm net frame and precast tubular pile supports subsides.
Through adopting above-mentioned technical scheme, the stereoplasm net frame can be fixed the nylon pocket, avoids because the slip of cobble, follows the water inlet roll-off, can keep the installation stability of nylon pocket and cobble layer.
The utility model discloses further set up to: the water inlet is located 10cm above the bottom wall of the inner cavity of the precast tubular pile.
Through adopting above-mentioned technical scheme, the inner wall that precast tubular pile is located the water inlet below can be fixed the nylon mesh bag for the nylon mesh bag is fixed stable.
The utility model discloses further set up to: the hard net frame is made of engineering plastics.
By adopting the technical scheme, the engineering plastic has the advantages of high wear resistance, high strength and the like, is long in service life and can be suitable for being used in severe environments.
The utility model discloses further set up to: the liquid level sensor is a static pressure input type liquid level transmitter.
Through adopting above-mentioned technical scheme, static pressure input liquid level transmitter is convenient for control the start-up water level of water pump including probe and connection rope through the length of adjusting the connection rope.
Drawings
FIG. 1 is an exploded view of the precast tubular pile and the filtering device in this embodiment;
fig. 2 is a schematic structural diagram of the present embodiment.
Description of reference numerals: 1. prefabricating a tubular pile; 2. a pebble layer; 3. a nylon mesh bag; 4. a hard screen frame; 5. a water inlet; 6. a drain branch pipe; 7. a main drainage pipe; 8. a liquid level sensor; 9. a water pump; 10. and (4) a filtering device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example (b): a foundation pit supporting structure with a precipitation function is shown in figure 1 and comprises a precast tubular pile 1, wherein a water inlet 5 is formed in one side of the lower portion of the side wall of the precast tubular pile 1, and the water inlet 5 is located 10cm above the bottom wall of an inner cavity of the precast tubular pile 1. A filtering device 10 is arranged at the water inlet 5, the filtering device 10 comprises a pebble layer 2 formed by pebbles, a nylon mesh bag 3 is wrapped outside the pebble layer 2, and a hard mesh frame 4 made of an engineering plastic device is sleeved outside the nylon mesh bag 3. The filtering device 10 is placed at the bottom of the precast tubular pile 1, the pebble layer 2 is higher than the water inlet 5, and the hard net frame 4 is lined in the precast tubular pile 1 and blocks the water inlet 5.
As shown in fig. 2, the precast tubular piles 1 are inserted side by side around the foundation pit to form a foundation pit supporting structure, wherein the water inlet 5 is located at one side facing the barrier soil layer, i.e., one side facing away from the foundation pit. A water drainage branch pipe 6 is inserted into each precast tubular pile 1, the tops of the water drainage branch pipes 6 are connected to a water drainage main pipe 7, and a water pump 9 is arranged on the water drainage main pipe 7. Install level sensor 8 in precast tubular pile 1 for thereby detect the water level in precast tubular pile 1 and be convenient for constructor control water pump 9's start-up stops. The level sensor 8 is preferably a static pressure drop-in level transmitter. The detection probe is placed into the precast tubular pile 1, and the lowering depth is controlled through the connecting rope. The number of the liquid level sensors 8 is at least two, one liquid level sensor is located at a high position and used for reminding a constructor to control the starting of the water pump 9, and the other liquid level sensor is located at a low position and used for reminding the constructor to control the closing of the water pump 9.
When the water level of the soil body around the foundation pit rises, under the action of hydrostatic pressure, accumulated water in the surrounding soil is injected into the precast tubular pile 1 from the water inlet 5, and the accumulated water stored in the precast tubular pile 1 can be drained away by starting the water pump 9 on the main drainage pipe 7 and the branch drainage pipe 6 which is connected to the main drainage pipe 7 and is inserted into the precast tubular pile 1, so that the effect of assisting precipitation is achieved, and the stability of foundation pit support is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a take excavation supporting construction of precipitation function which characterized in that: the foundation pit retaining fence is formed by arranging and inserting prefabricated pipe piles; the prefabricated pipe pile (1) is a hollow pipe, and the lower port of the prefabricated pipe pile (1) is closed; a water inlet (5) is formed in one side, facing the soil layer, of the lower portion of the side wall of the precast tubular pile (1), and a filtering device (10) is arranged at the water inlet (5); be equipped with drainage branch pipe (6) in precast tubular pile (1), the top of drainage branch pipe (6) is connected with the drainage and is responsible for (7), be connected with water pump (9) on the drainage is responsible for (7).
2. The foundation pit supporting structure with precipitation function of claim 1, wherein: and a liquid level sensor (8) is arranged in the drainage branch pipe (6).
3. The foundation pit supporting structure with precipitation function of claim 1, wherein: filter equipment (10) are including filling in cobble layer (2) of precast tubular pile (1) inner chamber bottom, and the height of cobble layer (2) is higher than water inlet (5), and cobble layer (2) are through nylon mesh bag (3) parcel.
4. The foundation pit supporting structure with precipitation function of claim 3, wherein: the nylon mesh bag (3) outside cover is equipped with stereoplasm net frame (4), and stereoplasm net frame (4) support with the inside wall of precast tubular pile (1) and paste.
5. The excavation supporting structure of claim 4, characterized in that: the water inlet (5) is positioned 10cm above the bottom wall of the inner cavity of the precast tubular pile (1).
6. The excavation supporting structure of claim 4, characterized in that: the hard net frame (4) is made of engineering plastics.
7. The foundation pit supporting structure with precipitation function of claim 2, wherein: the liquid level sensor (8) is a static pressure input type liquid level transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240034.2U CN211080244U (en) | 2019-08-01 | 2019-08-01 | Take foundation ditch supporting construction of precipitation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921240034.2U CN211080244U (en) | 2019-08-01 | 2019-08-01 | Take foundation ditch supporting construction of precipitation function |
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| Publication Number | Publication Date |
|---|---|
| CN211080244U true CN211080244U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921240034.2U Active CN211080244U (en) | 2019-08-01 | 2019-08-01 | Take foundation ditch supporting construction of precipitation function |
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| CN (1) | CN211080244U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832253A (en) * | 2021-01-07 | 2021-05-25 | 青岛理工大学 | Treatment method for piping of steel sheet pile support foundation pit |
| CN113338299A (en) * | 2021-06-21 | 2021-09-03 | 中铁十二局集团有限公司 | Pile well composite foundation pit supporting construction method |
| CN114718095A (en) * | 2021-01-04 | 2022-07-08 | 连云港华云桩业有限公司 | Pile foundation structure suitable for soft foundation and construction method |
-
2019
- 2019-08-01 CN CN201921240034.2U patent/CN211080244U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718095A (en) * | 2021-01-04 | 2022-07-08 | 连云港华云桩业有限公司 | Pile foundation structure suitable for soft foundation and construction method |
| CN112832253A (en) * | 2021-01-07 | 2021-05-25 | 青岛理工大学 | Treatment method for piping of steel sheet pile support foundation pit |
| CN113338299A (en) * | 2021-06-21 | 2021-09-03 | 中铁十二局集团有限公司 | Pile well composite foundation pit supporting construction method |
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