CN114809023A - Foundation pit supporting process with drainage structure - Google Patents
Foundation pit supporting process with drainage structure Download PDFInfo
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- CN114809023A CN114809023A CN202210661601.1A CN202210661601A CN114809023A CN 114809023 A CN114809023 A CN 114809023A CN 202210661601 A CN202210661601 A CN 202210661601A CN 114809023 A CN114809023 A CN 114809023A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008569 process Effects 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/08—Restraining of underground water by employing open ditches arranged below the level of the water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
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- Sewage (AREA)
Abstract
The application discloses excavation supporting technology with drainage structures includes: the method comprises the steps of obtaining the position of a water permeating point on the side wall of a foundation pit, excavating a drainage ditch below the water permeating point, excavating a main diversion ditch from top to bottom on the side wall of the foundation pit, communicating the lower end of the main diversion ditch with the drainage ditch, excavating a secondary diversion ditch along the oblique lower side by taking the water permeating point as a starting point on the side wall of the foundation pit, communicating one end of the secondary diversion ditch far away from the water permeating point with the main diversion ditch, arranging separation nets in the water permeating point, the main diversion ditch and the secondary diversion ditch respectively, arranging a water diversion layer on one side of the separation nets far away from the side wall of the foundation pit, arranging a support layer on one side of the diversion layer far away from the side wall of the foundation pit, arranging a base on the lower part of the support layer, connecting one end of a support rod with the support layer, and fixedly connecting the other end of the support rod with the base. From this, the rivers outflow foundation ditch of guide foundation ditch lateral wall point of permeating water avoids rivers to collect inside the foundation ditch to make things convenient for constructor to be under construction, ensured constructor's personal safety simultaneously greatly.
Description
Technical Field
The application relates to the field of civil engineering, in particular to a foundation pit supporting process with a drainage structure.
Background
In foundation ditch civil construction process, be subject to the characteristic that the foundation ditch is in the below ground, if meet the situation such as permeating water, then the inside ponding of foundation ditch very easily to the workman of the inside construction of foundation ditch brings very big inconvenience and uncontrollable risk.
Disclosure of Invention
The present application aims to solve at least to some extent one of the technical problems in the above-mentioned technology.
Therefore, an object of this application lies in providing a excavation supporting technology with drainage structures, can guide the rivers outflow foundation ditch of the ventilative point of foundation ditch lateral wall, avoids rivers to collect inside the foundation ditch to make things convenient for relevant constructor to carry out the construction, ensured relevant constructor's personal safety simultaneously greatly.
In order to achieve the above object, an embodiment of a first aspect of the present application provides a foundation pit supporting process with a drainage structure, including: acquiring the position of a water permeable point on the side wall of the foundation pit; excavating a drainage ditch below the water permeable point; digging a main diversion trench on the side wall of the foundation pit from top to bottom, wherein the lower end of the main diversion trench is communicated with the drainage trench; digging a secondary gutter along the oblique lower side by taking the water permeable point as a starting point on the side wall of the foundation pit, wherein one end of the secondary gutter far away from the water permeable point is communicated with the main gutter; arranging separation nets in the water permeable points, the main diversion trench and the secondary diversion trench respectively; arranging a water diversion layer on one surface of the separation net far away from the side wall of the foundation pit; arranging a supporting layer on one surface of the water diversion layer, which is far away from the side wall of the foundation pit; and arranging a base at the lower part of the supporting layer, connecting one end of a supporting rod with the supporting layer, and fixedly connecting the other end of the supporting rod with the base.
According to the foundation pit supporting technology with the drainage structure, the position of a water permeable point on the side wall of a foundation pit is obtained firstly, a drainage ditch is dug below the water permeable point, a main diversion ditch is dug from top to bottom on the side wall of the foundation pit, a secondary diversion ditch is dug along the oblique lower side by taking the water permeable point as a starting point on the side wall of the foundation pit, a separation net is arranged in the water permeable point, the main diversion ditch and the secondary diversion ditch respectively, a diversion layer is arranged on one side, far away from the side wall of the foundation pit, of the separation net, a supporting layer is arranged on one side, far away from the side wall of the foundation pit, a base is arranged on the lower portion of the supporting layer, one end of a supporting rod is connected with the supporting layer, and the other end of the supporting rod is fixedly connected with the base. From this, can guide the rivers outflow foundation ditch of the ventilative point of foundation ditch lateral wall, avoid rivers to collect inside the foundation ditch to make things convenient for relevant constructor to be under construction, ensured relevant constructor's personal safety simultaneously greatly.
In addition, the foundation pit supporting process with the drainage structure provided by the embodiment of the application can also have the following additional technical characteristics:
in one embodiment of the application, the main diversion ditches are arranged on two sides of the water penetration point, the secondary diversion ditches are multiple, the included angle between each secondary diversion ditch and the horizontal plane is 30-60 degrees, and the multiple secondary diversion ditches are respectively communicated with the main diversion ditches.
In one embodiment of the present application, the diversion layer is made of sponge and gravel, and the supporting layer is made of concrete.
In one embodiment of the present application, the drainage layer is provided by: will the sponge sets up separate the net and keep away from the one side of foundation ditch lateral wall, and based on the gravel is right the sponge with the gap of foundation ditch lateral wall is filled.
In one embodiment of the present application, the supporting layer is provided by: and abutting the pouring plate against the side wall of the foundation pit, pouring concrete into a gap between the water diversion layer and the pouring plate, and taking down the pouring plate after the concrete is solidified.
In one embodiment of the present application, the support bar is arranged by: one end of the supporting rod is connected with the connecting piece in a welded mode, the connecting piece is connected with the supporting layer through an expansion bolt, and the other end of the supporting rod is poured on the base through concrete.
Additional aspects and advantages of the present application 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 present application.
Drawings
The above and additional aspects and advantages of the present application 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 flow chart of an excavation supporting process with a drainage structure according to one embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 application and should not be construed as limiting the present application.
The foundation pit supporting process with the drainage structure according to the embodiment of the present application is described below with reference to the accompanying drawings.
Fig. 1 is a flow chart of an excavation supporting process with a drainage structure according to one embodiment of the present application.
As shown in fig. 1, a foundation pit supporting process with a drainage structure includes:
and step 100, acquiring the position of a water permeable point on the side wall of the foundation pit.
In the embodiment of the application, the detection can be performed on the side wall of the foundation pit by related constructors so as to determine the position of the water-permeable point on the side wall of the foundation pit.
Specifically, relevant constructors can go to the foundation pit to carry out manual detection, or control relevant machines to enter the foundation pit to carry out detection, so as to obtain the position of the water-permeable point on the side wall of the foundation pit. It should be noted that, the relevant constructor can store the detected position of the water penetration point on the side wall of the foundation pit in the storage space of the electronic equipment such as a mobile phone, a personal computer, a tablet computer and the like so as to be convenient for obtaining during use.
And 200, excavating a drainage ditch below the water permeable points.
In the embodiment of the application, the relevant constructors can descend into the foundation pit and construct and excavate the drainage ditch below the permeable points.
Specifically, the related constructors can excavate the drainage ditch by manpower with a shovel, a pick and the like, if the internal geology of the foundation pit allows, the related constructors can operate the engineering machinery to excavate the drainage ditch, the depth of the drainage ditch can be calibrated according to the actual situation (for example, the depth is controlled within 0.5 meter), and the section of the drainage ditch is in an inverted trapezoid shape.
And 300, excavating a main diversion trench on the side wall of the foundation pit from top to bottom, wherein the lower end of the main diversion trench is communicated with a drainage trench.
And 400, excavating a secondary gutter along the oblique lower side by taking the water permeable point as a starting point on the side wall of the foundation pit, wherein one end of the secondary gutter, which is far away from the water permeable point, is communicated with the main gutter.
In this embodiment, the contour of the main and secondary penstocks can be drawn by the relevant constructors in the foundation pit by using lime or other marking materials on the side wall of the foundation pit, and then the main and secondary penstocks are excavated on the side wall of the foundation pit.
Specifically, the related constructors can dig the main and secondary ditches along the drawn outlines of the main and secondary ditches by using an excavating tool, the depth of the main ditch is not less than 20 cm, the depth of the secondary ditch is not less than 20 cm, and the depth of the secondary ditch is not greater than that of the main ditch.
Related constructors are not advised to operate mechanical equipment for excavation, the flexibility of the mechanical equipment is poor, water permeable points can be damaged, and the water permeable condition of the water permeable points is aggravated.
And 500, respectively arranging the separation net in the water permeating point, the main diversion trench and the secondary diversion trench.
In this embodiment, the relevant constructors cut the complete partition net as much as possible using the cutting tool, and the partition net can prevent the inside of the water penetration point, the secondary gutter, and the main gutter from further collapsing under the impact of water flow.
Specifically, the relevant constructor should cut out the complete separation net as much as possible, and if the complete separation net cannot be provided, the relevant constructor is required to splice a plurality of separation nets together by using wires or other ropes.
And 600, arranging a water diversion layer on one surface of the isolation net far away from the side wall of the foundation pit.
In this embodiment, relevant constructor uses equipment to transport the required material of diversion layer to inside the foundation ditch, and relevant constructor fills the required material of diversion layer to the one side that the foundation ditch lateral wall is kept away from to the spacer screen to build the diversion layer.
It should be noted that the drainage layer does not need to be compacted by the associated construction personnel during construction of the drainage layer.
And 700, arranging a supporting layer on one surface of the diversion layer, which is far away from the side wall of the foundation pit. And
and 800, arranging a base at the lower part of the supporting layer, connecting one end of the supporting rod with the supporting layer, and fixedly connecting the other end of the supporting rod with the base.
In this embodiment, the relevant constructors manufacture the supporting layer and the base through a pouring process.
Specifically, the related constructors pour the supporting layer and pour the base at the lower part of the supporting layer on the surface of the diversion layer far away from the side wall of the foundation pit through a pouring process, connect one end of the supporting rod with the supporting layer, and fixedly connect the other end of the supporting rod with the base.
The supporting layer of pouring constitutes inclosed passageway with inferior gutter and main gutter on the one hand, further prevents that permeable point rivers from spilling over, and on the other hand and bracing piece and the base of pouring are mutually supported, guarantee whole drainage structures's steadiness.
As a possibility, the related constructor may add a first guide pipe communicating with the air at the upper end of the main gutter and a second guide pipe communicating with the drainage gutter at the lower end of the main gutter.
The first conduit may be pressure balanced internally of the primary and secondary gutters so that the flow of water at the point of penetration flows more easily along the second conduit into the gutter.
In one embodiment of the invention, the main gutter may be disposed at both sides of the water penetration point, the secondary gutter may be plural, and the angle between the secondary gutter and the horizontal plane may be between 30 ° and 60 °, and the plural secondary gutters may be respectively communicated with the main gutter.
It should be noted that if a plurality of water penetration points occur on the side wall of the foundation pit, each water penetration point may be provided with a secondary gutter separately, and a plurality of secondary gutters may share a main gutter.
In one embodiment of the invention, the diversion layer can be made of sponge and gravel, the sponge is arranged on one surface of the separation net far away from the side wall of the foundation pit, gaps between the sponge and the side wall of the foundation pit are filled based on the gravel, the supporting layer is made of concrete, the pouring plate is abutted against the side wall of the foundation pit, concrete is poured into a gap between the diversion layer and the pouring plate, and the pouring plate is taken down after the concrete is solidified.
It should be noted that the sponge should be selected from loose and porous sponge, so that the sponge is not easy to use, and related constructors need to cut and fill the shape of the main gutter and the secondary gutter according to the shape of the main gutter and the secondary gutter.
If a sponge with a proper shape cannot be provided, the sponge scraps can be filled, but the sponge scraps need to be filled together with gravel.
After filling the sponge and gravel, the relevant constructor needs to attach the cast slab tightly to the side wall of the foundation pit as soon as possible, and then fill the concrete, the concrete covered area should include the water permeable points.
In one embodiment of the invention, the support bar is arranged by:
one end of the supporting rod is connected with the connecting piece in a welding mode, the connecting piece is connected with the supporting layer through the expansion bolt, and the other end of the supporting rod is poured on the base through concrete.
It should be noted that the supporting rod needs to adopt a diagonal bracing manner.
To sum up, according to the foundation pit supporting process with the drainage structure of the embodiment of the application, the position of the permeable point on the side wall of the foundation pit is firstly obtained, the drainage ditch is excavated below the permeable point, the main diversion ditch is excavated from top to bottom on the side wall of the foundation pit, the secondary diversion ditch is excavated along the oblique lower part by taking the permeable point as a starting point on the side wall of the foundation pit, the separation net is respectively arranged in the permeable point, the main diversion ditch and the secondary diversion ditch, the diversion layer is arranged on the side, away from the side wall of the foundation pit, of the separation net, the supporting layer is arranged on the side, away from the side wall of the foundation pit, the base is arranged on the lower part of the supporting layer, one end of the supporting rod is connected with the supporting layer, and the other end of the supporting rod is fixedly connected with the base. From this, can guide the rivers outflow foundation ditch of the ventilative point of foundation ditch lateral wall, avoid rivers to collect inside the foundation ditch to make things convenient for relevant constructor to be under construction, ensured relevant constructor's personal safety simultaneously greatly.
In the description of the present application, 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," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "fixed," and the like are intended to be inclusive and mean, for example, that there may be a fixed connection, a removable connection, or an integral connection that may be mechanical or electrical, that there may be direct connection, that there may be indirect connection via an intermediate medium, that there may be communication between two elements, or that there may be an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (6)
1. The utility model provides a foundation ditch support technology with drainage structures which characterized in that includes:
acquiring the position of a water permeable point on the side wall of the foundation pit;
excavating a drainage ditch below the water permeable point;
excavating a main diversion trench on the side wall of the foundation pit from top to bottom, wherein the lower end of the main diversion trench is communicated with the drainage trench;
digging a secondary gutter along the oblique lower direction by taking the water permeable point as a starting point on the side wall of the foundation pit, wherein one end of the secondary gutter far away from the water permeable point is communicated with the main gutter;
arranging separation nets in the water permeable points, the main diversion trench and the secondary diversion trench respectively;
arranging a water diversion layer on one surface of the separation net far away from the side wall of the foundation pit;
arranging a supporting layer on one surface of the drainage layer, which is far away from the side wall of the foundation pit; and
and arranging a base at the lower part of the supporting layer, connecting one end of a supporting rod with the supporting layer, and fixedly connecting the other end of the supporting rod with the base.
2. A process for retaining and protecting a foundation pit with a drainage structure as claimed in claim 1, wherein,
the main diversion ditches are arranged on two sides of the water permeating point, the secondary diversion ditches are multiple, the included angle between each secondary diversion ditch and the horizontal plane is 30-60 degrees, and the multiple secondary diversion ditches are respectively communicated with the main diversion ditches.
3. A process for retaining and protecting a foundation pit with a drainage structure as claimed in claim 1, wherein,
the diversion layer is made of sponge and gravel, and the supporting layer is made of concrete.
4. A foundation pit supporting process with a drainage structure as claimed in claim 3, wherein the drainage layer is provided by:
will the sponge sets up separate the net and keep away from the one side of foundation ditch lateral wall, and based on the gravel is right the sponge with the gap of foundation ditch lateral wall is filled.
5. A process for foundation pit support with drainage structures as claimed in claim 3, wherein the supporting layer is provided by:
and abutting the pouring plate against the side wall of the foundation pit, pouring concrete into a gap between the water diversion layer and the pouring plate, and taking down the pouring plate after the concrete is solidified.
6. A foundation pit supporting process with a drainage structure as claimed in claim 1, wherein the support rods are arranged by:
one end of the supporting rod is connected with the connecting piece in a welding mode, the connecting piece is connected with the supporting layer through an expansion bolt, and the other end of the supporting rod is poured on the base through concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661601.1A CN114809023A (en) | 2022-06-13 | 2022-06-13 | Foundation pit supporting process with drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210661601.1A CN114809023A (en) | 2022-06-13 | 2022-06-13 | Foundation pit supporting process with drainage structure |
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| Publication Number | Publication Date |
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| CN114809023A true CN114809023A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210661601.1A Pending CN114809023A (en) | 2022-06-13 | 2022-06-13 | Foundation pit supporting process with drainage structure |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758140A (en) * | 2014-02-18 | 2014-04-30 | 中国十九冶集团有限公司 | Deep foundation pit slope supporting body water inrush source point drainage method and device |
| CN209066465U (en) * | 2018-10-18 | 2019-07-05 | 苏州市三联建设工程勘测有限公司 | A kind of deep basal pit structure with ejectment side wall water burst |
-
2022
- 2022-06-13 CN CN202210661601.1A patent/CN114809023A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758140A (en) * | 2014-02-18 | 2014-04-30 | 中国十九冶集团有限公司 | Deep foundation pit slope supporting body water inrush source point drainage method and device |
| CN209066465U (en) * | 2018-10-18 | 2019-07-05 | 苏州市三联建设工程勘测有限公司 | A kind of deep basal pit structure with ejectment side wall water burst |
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