CN114960680B - Auxiliary supporting structure of foundation pit for facilitating drainage - Google Patents
Auxiliary supporting structure of foundation pit for facilitating drainage Download PDFInfo
- Publication number
- CN114960680B CN114960680B CN202210737532.8A CN202210737532A CN114960680B CN 114960680 B CN114960680 B CN 114960680B CN 202210737532 A CN202210737532 A CN 202210737532A CN 114960680 B CN114960680 B CN 114960680B
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- Prior art keywords
- supporting
- foundation pit
- auxiliary supporting
- auxiliary
- rods
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Classifications
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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
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- 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
- E02D17/20—Securing of slopes or inclines
- E02D17/205—Securing of slopes or inclines with modular blocks, e.g. pre-fabricated
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
Abstract
The invention relates to the technical field of foundation pit supporting structures, in particular to a foundation pit auxiliary supporting structure which is beneficial to drainage, and the supporting structure comprises a supporting frame and an auxiliary supporting structure; the number of the supporting frames is at least 2, and the supporting frames are arranged in the foundation pit; the auxiliary support structure comprises a center column and auxiliary support rods, the auxiliary support rods are arranged around the center column in a circle center array, one ends of the auxiliary support rods are connected with the center column, the other ends of the auxiliary support rods are propped against the support frames, the support frames of the net-shaped frame structure arranged on the inner wall of the foundation pit are utilized to support the soil body of the inner wall of the foundation pit, landslide phenomenon caused by rainwater is prevented, meanwhile, the support frames are of the net-shaped frame structure, moisture in the soil body of a building site is facilitated to permeate into the foundation pit, and the drainage of the moisture in the soil body is facilitated, so that the problem in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting structures, in particular to a foundation pit auxiliary supporting structure which is beneficial to drainage.
Background
The foundation pit engineering is a temporary support and soil reinforcement engineering which is used for protecting underground space open cut construction from being damaged and surrounding environment, the excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site before excavation, and in the project of foundation pit construction, an engineering aquifer part is above the bottom of a groove, so that hanging water can be formed on the slope wall of a side slope to flow into the foundation pit after earthwork is excavated to the bottom of the groove, and in addition, the engineering construction can be subjected to rainy season, so that the foundation pit water-proof and drainage work is also important.
Because the foundation pit belongs to temporary engineering, the foundation pit is required to be supported after being excavated, but the strength of the foundation pit supporting structure cannot reach the expected result due to different geographic positions and different environments of each engineering, and if the supporting structure cannot reach enough strength, the side slope of the foundation pit is directly collapsed; moreover, the existing foundation pit supporting structure has poor drainage effect, and if the foundation pit is in a rainy season, the foundation pit is easy to slide due to rainwater, so that the foundation pit is damaged.
Disclosure of Invention
An object of the present invention is to provide a supporting structure for supporting a foundation pit, which is beneficial to drainage, and the supporting structure is provided with a supporting frame of a net-shaped frame structure arranged on the inner wall of the foundation pit, so as to support the soil body on the inner wall of the foundation pit, prevent the phenomenon that the foundation pit is easy to slide due to rainwater, and simultaneously, the supporting frame is of a net-shaped frame structure, which is beneficial to the infiltration of the moisture in the soil body of a construction site into the foundation pit and the drainage of the moisture in the soil body, so as to solve the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the embodiment of the invention provides a foundation pit auxiliary supporting structure beneficial to drainage, which comprises a supporting frame and an auxiliary supporting structure;
the number of the supporting frames is at least 2, and the supporting frames are arranged in the foundation pit;
the auxiliary support structure comprises a central column and auxiliary support rods, the auxiliary support rods are arranged around the circle center array of the central column, one ends of the auxiliary support rods are connected with the central column, and the other ends of the auxiliary support rods are propped against the support frame.
Further, the support frame is a net-shaped frame structure, and further comprises side blocks arranged at two sides of the upper part of the support frame, wherein the side blocks are used for being positioned with the support frame at the upper side of the support frame.
Further, the support frame comprises a first support rod which is transversely arranged, a second support rod which is longitudinally arranged and a leakage-proof net;
the first support rods are arc-shaped rods and are matched with the inner wall of the foundation pit, and the second support rods are vertical rods;
the leakage-proof net is arranged on one side, far away from the inner wall of the foundation pit, of the supporting frame.
Further, the support frame also comprises sand, and the sand is filled in the support frame.
Further, the central column is a straight cylinder, and further comprises a core column, wherein the core column is arranged on the axis of the central column;
the auxiliary support rods comprise straight rods and sliding parts, one ends of the straight rods penetrate into the central column, the sliding parts are arranged on one ends of the straight rods positioned in the central column, and the sliding parts are in sliding fit with the outer sides of the core columns;
the straight rod is close to the one end of supporting frame is flat structure, and all with the supporting frame keeps away from the inner wall of foundation ditch offsets.
Further, the auxiliary supporting structure further comprises auxiliary supporting rings, the auxiliary supporting rings are provided with notches, at least one auxiliary supporting ring is arranged on one side, close to the supporting frame, of the straight rod on the same horizontal plane, and the outer walls of the auxiliary supporting rings are propped against the inner side of the supporting frame.
Further, the outer walls of the auxiliary supporting rings are propped against the boundary of the edge of the supporting frame.
Further, the sliding part is a universal ball.
Further, the auxiliary supporting rings are iron rings.
Further, the leakage-proof nets are all iron wires welded on the inner sides of the supporting frames far away from the foundation pit.
The above-mentioned one or more technical solutions in the embodiments of the present invention at least have the following technical effects or advantages:
according to the foundation pit auxiliary supporting structure beneficial to drainage, the supporting frames are matched and stacked upwards from the pit bottom, so that the supporting frames are attached to the inner wall of a foundation pit, construction and installation are convenient, the number of the supporting frames can be quantitatively selected according to the depth of the foundation pit, the foundation pit with various depths is suitable, after the supporting frames are stacked, the auxiliary supporting structure is installed, the central column of the auxiliary supporting structure serves as a central supporting column, the auxiliary supporting rods on the outer wall of the central supporting column support the inner side of the supporting frame, the auxiliary supporting column is firmly fixed and attached to the inner wall of the foundation pit, the phenomenon that landslide is easily caused by rainwater is prevented, meanwhile, the supporting frames are of a netlike frame structure, water in soil bodies of construction sites can be facilitated to permeate into the foundation pit, water in the soil bodies can be discharged, and the problem in the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a supporting structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first portion of a support frame according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second portion of a support frame according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3A;
FIG. 5 is a schematic structural view of an auxiliary supporting structure according to an embodiment of the present invention;
FIG. 6 is a schematic view of a portion of an auxiliary support structure according to an embodiment of the present invention;
wherein, each reference sign in the figure:
1. the support frame, 101, first support pole, 102, second support pole, 2, side piece, 3, center post, 4, auxiliary stay pole, 41, straight-bar, 42, sliding part, 5, auxiliary stay ring, 51, breach, 6, stem.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiment of the invention provides a foundation pit auxiliary supporting structure beneficial to drainage, which belongs to the technical field of foundation pit supporting structures, and can be applied to the following fields: in the scenes of supporting and protecting foundation pits in the building foundation construction process, and the like. It can be understood that in the prior art, as the foundation pit belongs to temporary engineering, supporting work is needed to be carried out on the foundation pit after the foundation pit is excavated, but the strength of the foundation pit supporting structure cannot reach the expected result due to different geographical positions and different environments of each engineering, and if the supporting structure cannot reach enough strength, the side slope of the foundation pit can be directly collapsed; moreover, the existing foundation pit supporting structure has poor drainage effect, and if the foundation pit is in a rainy season, the foundation pit is easy to slide due to rainwater, so that the foundation pit is damaged.
Based on this, how to provide a foundation pit supporting structure with strong supporting structure and favorable drainage is a technical problem to be solved.
The technical scheme of the invention is further elaborated by the following with reference to the drawings and specific embodiments.
Referring to fig. 1-6, an embodiment of the present invention provides a foundation pit auxiliary supporting structure for facilitating drainage, the supporting structure including a supporting frame 1 and an auxiliary supporting structure; the number of the supporting frames 1 is at least 2, and the supporting frames are arranged on the inner wall of the foundation pit; the auxiliary support structure comprises a central column 3 and auxiliary support rods 4, the auxiliary support rods 4 are arranged around the center of the central column 3 in an array mode, one ends of the auxiliary support rods 4 are connected with the central column 3, and the other ends of the auxiliary support rods 4 are propped against the support frame 1.
In fig. 1, we can see that the supporting frames 1 mentioned in the embodiment of the invention are tightly arranged on the inner wall of the foundation pit in an array manner, a block of supporting frames 1 are utilized to be matched and stacked upwards from the pit bottom, so that the supporting frames 1 are attached to the inner wall of the foundation pit, the construction and installation are convenient, the number of the supporting frames 1 can be quantitatively selected according to the depth of the foundation pit, the foundation pit with various depths is applicable, after the supporting frames 1 are stacked, an auxiliary supporting structure is installed, a central column 3 of the auxiliary supporting structure is used as a central supporting column, an auxiliary supporting rod 4 on the outer wall of the auxiliary supporting structure abuts against the inner side of the supporting frame 1, the auxiliary supporting rod is firmly fixed and attached to the inner wall of the foundation pit, the phenomenon that the foundation pit is easy to slide due to rainwater is prevented, and meanwhile, the supporting frame 1 is of a netlike frame structure, the water in the soil body of a building site is facilitated to permeate into the foundation pit, the water in the soil body is conveniently discharged, and the problem in the prior art is solved.
In some embodiments, referring to fig. 2 and 3 and fig. 4, the support frame 1 is a mesh frame structure, and further includes side blocks 2 disposed at both sides of an upper portion thereof, the side blocks 2 being used to be aligned with the support frame 1 positioned at an upper side thereof.
Specifically, the side blocks 2 are iron blocks welded on two sides of the upper portion of the supporting frame 1, the upper supporting frame 1 and the lower supporting frame 1 are matched with reference to fig. 4, the side blocks 2 on two sides of the upper portion of the lower supporting frame 1 clamp two sides of the lower portion of the upper supporting frame 1, so that when the supporting frame 1 is installed in a foundation pit, the side blocks 2 can play a role in pre-positioning the installation of the supporting frame 1, the installation is more convenient, the supporting frames 1 arranged on the inner wall of the foundation pit in an array mode can be matched more tightly, and the soil body with the inner wall of the foundation pit is prevented from falling through gaps between the supporting frames 1.
In some embodiments, the support frame 1 comprises a first support bar 101 arranged in a transverse direction and a second support bar 102 arranged in a longitudinal direction, and a leak-proof net; the first supporting rods 101 are arc-shaped rods and are matched with the inner wall of the foundation pit, and the second supporting rods 102 are vertical rods 41; the leakage-proof net is arranged on one side, far away from the inner wall of the foundation pit, of the supporting frame 1.
In some embodiments, the supporting frame 1 further comprises sand, and the sand fills the supporting frame 1.
By way of example, after the supporting frame 1 and the auxiliary supporting structure are installed, the supporting frame 1 is required to be filled with sand, the aperture of the leakage-proof net is smaller than the diameter of sand, and in the embodiment, sand with larger diameter, with the diameter being more than 1 cm, is adopted for filling, the strength structure of the supporting frame 1 filled with sand is higher, the supporting effect of the supporting frame 1 on a foundation pit is further improved, meanwhile, the sand serves as a filter layer, soil can be prevented from falling through gaps of the supporting frame 1, and meanwhile, the effect of filtering water entering the foundation pit can be achieved, so that water in the foundation pit is clearer, and workers can conveniently go into the foundation pit.
In some embodiments, referring to fig. 5 and 6, the central column 3 is a straight cylinder, the central column 3 further comprising a stem 6, the stem 6 being disposed on the axis of the central column 3; the auxiliary support rods 4 comprise straight rods 41 and sliding parts 42, one ends of the straight rods 41 penetrate into the central column 3, the sliding parts 42 are arranged on one ends of the straight rods 41 positioned in the central column 3, and the sliding parts 42 are in sliding fit with the outer sides of the core columns 6; the straight rod 41 is flat at one end close to the supporting frame 1, and is propped against the inner wall of the supporting frame 1 far away from the foundation pit.
The installation process of the support structure is as follows:
(1) Vertically inserting an auxiliary supporting structure into the center of the foundation pit;
(2) A supporting frame 1 is arranged on the inner wall of the bottom of the foundation pit;
(3) Inserting the core column 6 into the central column 3, matching the core column 6 with the sliding parts 42 of the auxiliary supporting rods 4, and extruding the straight rods 41 outwards to expand the auxiliary supporting rings 5, so that the auxiliary supporting rings 5 extrude the inner side of the supporting frame 1, and finally, the supporting structure is stably installed in the foundation pit;
(4) And the supporting frame 1 is filled with sand, and in the filling process, the inserted link is vertically inserted into the supporting frame 1 to loosen the sand, so that the sand and the sand are filled in the supporting frame 1.
Further, the auxiliary supporting structure further comprises an auxiliary supporting ring 5, the auxiliary supporting rings 5 are provided with notches 51, at least one auxiliary supporting ring 5 is arranged on one side, close to the supporting frame 1, of the straight rod 41 on the same horizontal plane, and the outer walls of the auxiliary supporting rings 5 are propped against the inner side of the supporting frame 1.
Further, the outer walls of the auxiliary supporting rings 5 are propped against the boundary of the edge of the supporting frame 1.
Further, the sliding portion 42 is a universal ball.
Further, the auxiliary supporting rings 5 are iron rings.
Further, the anti-leakage nets are all iron wires welded on the inner side of the supporting frame 1 far away from the foundation pit.
In one embodiment, the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The foundation pit auxiliary supporting structure is favorable for drainage, and is characterized by comprising a supporting frame and an auxiliary supporting structure; the number of the supporting frames is at least 2, and the supporting frames are arranged on the interior of the foundation pit; the auxiliary supporting structure comprises a central column and auxiliary supporting rods, the auxiliary supporting rods are arranged around the circle center array of the central column, one ends of the auxiliary supporting rods are connected with the central column, and the other ends of the auxiliary supporting rods are propped against the supporting frame; the support frame is of a reticular frame structure and further comprises side blocks arranged on two sides of the upper part of the support frame, wherein the side blocks are used for positioning the support frame on the upper side of the support frame; the support frame comprises a first support rod which is transversely arranged, a second support rod which is longitudinally arranged and a leakage-proof net; the first support rods are arc-shaped rods and are matched with the inner wall of the foundation pit, and the second support rods are vertical rods; the leakage-proof net is arranged on one side of the supporting frame far away from the inner wall of the foundation pit; the supporting frame also comprises sand and stone, and the sand and stone is filled in the supporting frame; the central column is a straight cylinder and further comprises a core column, and the core column is arranged on the axis of the central column; the auxiliary support rods comprise straight rods and sliding parts, one ends of the straight rods penetrate into the central column, the sliding parts are arranged on one ends of the straight rods in the central column, and the sliding parts are in sliding fit with the outer sides of the core columns; the ends of the straight rods, which are close to the supporting frames, are of flat structures and are propped against the inner walls of the supporting frames, which are far away from the foundation pit; the auxiliary supporting structure further comprises auxiliary supporting rings, the auxiliary supporting rings are provided with notches, at least one auxiliary supporting ring is arranged on one side, close to the supporting frame, of the straight rod on the same horizontal plane, and the outer walls of the auxiliary supporting rings are propped against the inner side of the supporting frame.
2. The foundation pit auxiliary supporting structure beneficial to drainage according to claim 1, wherein the outer walls of the auxiliary supporting rings are propped against the boundary of the edge of the supporting frame.
3. The foundation pit auxiliary supporting structure facilitating drainage according to claim 1, wherein the sliding portion is a universal ball.
4. The foundation pit auxiliary supporting structure facilitating drainage according to claim 1, wherein the auxiliary supporting rings are iron rings.
5. The foundation pit auxiliary supporting structure beneficial to drainage according to claim 1, wherein the leakage-proof nets are all iron wires welded on the inner sides of the supporting frames far away from the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210737532.8A CN114960680B (en) | 2022-06-27 | 2022-06-27 | Auxiliary supporting structure of foundation pit for facilitating drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210737532.8A CN114960680B (en) | 2022-06-27 | 2022-06-27 | Auxiliary supporting structure of foundation pit for facilitating drainage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114960680A CN114960680A (en) | 2022-08-30 |
| CN114960680B true CN114960680B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210737532.8A Active CN114960680B (en) | 2022-06-27 | 2022-06-27 | Auxiliary supporting structure of foundation pit for facilitating drainage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746840U (en) * | 2010-07-29 | 2011-02-16 | 林华国 | Foundation pit support system equipped with a plurality of inclined rear anchors capable of recycling |
| CN211948449U (en) * | 2020-01-06 | 2020-11-17 | 云南山盾岩土工程有限公司 | Foundation pit supporting structure with special-shaped reinforced concrete precast pile |
| WO2021023246A1 (en) * | 2019-08-07 | 2021-02-11 | 上海建工二建集团有限公司 | Open foundation pit block construction system and method |
| CN213952241U (en) * | 2020-11-03 | 2021-08-13 | 中冶集团武汉勘察研究院有限公司 | Be favorable to auxiliary supporting structure of foundation ditch of drainage |
| CN215367312U (en) * | 2021-07-31 | 2021-12-31 | 青岛华欧集团建筑安装工程有限公司 | Foundation pit supporting device |
-
2022
- 2022-06-27 CN CN202210737532.8A patent/CN114960680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746840U (en) * | 2010-07-29 | 2011-02-16 | 林华国 | Foundation pit support system equipped with a plurality of inclined rear anchors capable of recycling |
| WO2021023246A1 (en) * | 2019-08-07 | 2021-02-11 | 上海建工二建集团有限公司 | Open foundation pit block construction system and method |
| CN211948449U (en) * | 2020-01-06 | 2020-11-17 | 云南山盾岩土工程有限公司 | Foundation pit supporting structure with special-shaped reinforced concrete precast pile |
| CN213952241U (en) * | 2020-11-03 | 2021-08-13 | 中冶集团武汉勘察研究院有限公司 | Be favorable to auxiliary supporting structure of foundation ditch of drainage |
| CN215367312U (en) * | 2021-07-31 | 2021-12-31 | 青岛华欧集团建筑安装工程有限公司 | Foundation pit supporting device |
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| Publication number | Publication date |
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| CN114960680A (en) | 2022-08-30 |
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