CN115075254A - Inner supporting and protecting structure for small-diameter deep foundation pit - Google Patents
Inner supporting and protecting structure for small-diameter deep foundation pit Download PDFInfo
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- CN115075254A CN115075254A CN202210556819.0A CN202210556819A CN115075254A CN 115075254 A CN115075254 A CN 115075254A CN 202210556819 A CN202210556819 A CN 202210556819A CN 115075254 A CN115075254 A CN 115075254A
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- foundation pit
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- deep foundation
- sliding rod
- diameter deep
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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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention provides an inner supporting and protecting structure for a small-diameter deep foundation pit, which comprises the following components: the outer side of the inner upright post is uniformly provided with four first clamping plates, a first buffer spring is arranged in any one first clamping plate, one side of the first buffer spring is fixedly provided with a first sliding rod, and the first clamping plate is connected with the first sliding rod in a sliding manner; the first outer stand column is arranged on one side of the first sliding rod, two second clamping plates are symmetrically arranged on two sides of the first outer stand column, the outer sides of the second clamping plates are arranged on the inner side of the foundation pit in an abutting mode, a second buffer spring is arranged on the inner side of each second clamping plate, a second sliding rod is fixedly arranged on one side of each second buffer spring, and the second sliding rod is connected with the second clamping plates in a sliding mode; and the second outer upright post is fixedly arranged on one side of the second slide bar. According to the invention, the supporting structure is arranged in the foundation pit, the buffer spring can automatically fix the clamping plate on the wall of the foundation pit according to the width of the foundation pit, and the first adjusting block and/or the second adjusting block can be inserted according to the size of the foundation pit, so that the adjusting range is increased, and the adaptability is wide.
Description
Technical Field
The invention relates to the technical field of inner supporting and protecting structures for foundation pits, in particular to an inner supporting and protecting structure for a small-diameter deep foundation pit.
Background
The deep foundation pit is an engineering with excavation depth more than 5 meters (including 5 meters) or more than three layers (including three layers) of a basement or with depth not more than 5 meters, but with particularly complex geological conditions, surrounding environment and underground pipelines, the foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation, and is a system engineering with strong comprehensiveness, which requires geotechnical engineering and structural engineering technical personnel to be closely matched, the foundation pit supporting system is a temporary structure, is not needed after the construction of underground engineering is completed, construction accidents of the deep foundation pit engineering are frequent, and once the accidents occur, group death and group injury are easily caused, the consequences are quite serious, the reasons are the main points are that various safety pre-control measures are not in place in the construction scheme and the construction process, according to the relevant national regulation requirements, the construction of the deep foundation pit engineering must be carefully monitored, the technical requirements of the deep foundation pit engineering and the inspection of the construction site are clear, the deep foundation pit supporting is a measure of supporting, reinforcing and protecting the side wall of the deep foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit, but the existing supporting structure in the deep foundation pit has the defects that the earth on the ground at two sides of the device cannot be protected, the stabilizing effect is poor, the length of the device cannot be adjusted according to the actual condition and the like when the supporting structure is used.
Disclosure of Invention
In view of the above problems, the present invention is directed to solving the above-described problems. An object of the present invention is to provide an inner supporting structure for a small-diameter deep foundation pit which solves the above problems.
An internal supporting and protecting structure for a small-diameter deep foundation pit comprises: the outer side of the inner upright post is uniformly provided with four first clamping plates on the same cross section, a first buffer spring is arranged in any one first clamping plate, a first sliding rod is fixedly arranged on one side of the first buffer spring, and the first clamping plate is connected with the first sliding rod in a sliding manner; the first outer stand column is arranged on one side of the first sliding rod, two second clamping plates are symmetrically arranged on two sides of the first outer stand column, the outer sides of the second clamping plates are arranged on the inner side of the foundation pit in an abutting mode, a second buffer spring is arranged on the inner side of each second clamping plate, a second sliding rod is fixedly arranged on one side of each second buffer spring, and the second sliding rod is connected with the second clamping plates in a sliding mode; and the second outer upright columns are fixedly arranged on one side of the second slide bar, and a reinforcing plate is arranged between every two adjacent second outer upright columns.
Preferably, the internal supporting and protecting structure for the small-diameter deep foundation pit further comprises: the third sliding rod is arranged between the two first clamping plates and is fixedly connected with the inner upright post; and one side of the third clamping plate is arranged on the outer side of the third sliding rod and is in sliding connection with the third sliding rod, the other side of the third clamping plate is hinged to the reinforcing plate, and a third buffer spring is arranged in the third clamping plate.
Preferably, the internal supporting and protecting structure for the small-diameter deep foundation pit further comprises: the fourth clamping plate is arranged on one side of the second outer stand column, is arranged on one side far away from the second clamping plate and is abutted against the inner wall of the foundation pit; and two ends of the L-shaped connecting plate are sleeved on the inner side of the fourth clamping plate, and a plurality of gaskets are arranged between the L-shaped connecting plate and the fourth clamping plate.
Preferably, the internal supporting and protecting structure for the small-diameter deep foundation pit comprises: at least two interior stands, arbitrary two adjacent interior stands are through the first splint, the first outer column fixed connection that set gradually.
Preferably, at least three first clamping plates are arranged on the inner vertical column along the axial direction.
Preferably, the internal supporting and protecting structure for the small-diameter deep foundation pit comprises: the first adjusting block is arranged on the inner side of the first clamping plate and is arranged on one side close to the inner upright post.
Preferably, the internal supporting and protecting structure for the small-diameter deep foundation pit comprises: the second adjusting block is arranged on the inner side of the second clamping plate and is arranged on one side close to the first outer stand column.
Preferably, the outer side of the inner upright post is provided with a sliding groove, and one end of the third sliding rod is arranged in the sliding groove in a sliding manner.
The internal supporting and protecting structure for the small-diameter deep foundation pit has the following technical effects:
this application is through setting up supporting construction inside the foundation ditch, and buffer spring can be fixed in foundation ditch pithead wall with splint automatically according to the width of foundation ditch, can also be according to the size of foundation ditch, through inserting first regulating block and/or second regulating block, increases control range, and adaptability is wide.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are illustrative of some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a view exemplarily illustrating an internal supporting structure for a small-diameter deep foundation pit according to the present invention;
fig. 2 is a structural view schematically illustrating an embodiment of an internal supporting structure for a small-diameter deep foundation pit according to the present invention;
fig. 3 is a structural view schematically illustrating another embodiment of the internal supporting structure for a small-diameter deep foundation pit according to the present invention;
in the figure: 10. an inner upright post; 20. a first splint; 21. a first buffer spring; 22. a first slide bar; 11. a first outer column; 30. a second splint; 100. a foundation pit; 30. a second buffer spring; 32. a second slide bar; 40. a reinforcing plate; 41. a third slide bar; 12. a second outer upright; 42. a third splint; 43. a third buffer spring; 50. a fourth splint; 51. an L-shaped connecting plate; 52. a gasket; 23. a first regulating block; 33. a second regulating block; 14. a chute.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The internal supporting structure for the small-diameter deep foundation pit is described in detail below with reference to the accompanying drawings and embodiments.
Example 1
As shown in fig. 1 to 3, an object of the present invention is to provide an internal supporting structure for a small-diameter deep foundation pit, which may include:
four first clamping plates 20 are uniformly arranged on the same cross section of the outer side of the inner upright post 10, a first buffer spring 21 is arranged in any one of the first clamping plates 20, a first sliding rod 22 is fixedly arranged on one side of the first buffer spring 21, and the first clamping plates 20 are connected with the first sliding rod 22 in a sliding manner; the first outer upright post 11 is arranged on one side of the first sliding rod 22, two second clamping plates 30 are symmetrically arranged on two sides of the first outer upright post 11, the outer sides of the second clamping plates 30 are abutted against the inner side of the foundation pit 100, a second buffer spring 31 is arranged on the inner side of each second clamping plate 30, a second sliding rod 32 is fixedly arranged on one side of each second buffer spring 31, and each second sliding rod 32 is connected with the corresponding second clamping plate 30 in a sliding manner; and the second outer upright columns 12 are fixedly arranged on one side of the second sliding rod 32, and a reinforcing plate 40 is arranged between every two adjacent second outer upright columns 12.
Example 2
The inner supporting and protecting structure for the small-diameter deep foundation pit further comprises: the third sliding rod 41 is arranged between the two first clamping plates 20 and is fixedly connected with the inner upright post 10; and a third clamping plate 42, one side of which is arranged outside the third sliding rod 41 and is connected with the third sliding rod 41 in a sliding manner, the other side of which is hinged on the reinforcing plate 40, and a third buffer spring 43 is arranged in the third clamping plate 42.
Example 3
The inner supporting and protecting structure for the small-diameter deep foundation pit further comprises: the fourth clamping plate 50 is arranged on one side of the second outer upright post 12, is arranged on one side far away from the second clamping plate 30 and is abutted against the inner wall of the foundation pit 100; the two ends of the L-shaped connecting plate 51 are sleeved on the inner side of the fourth clamping plate 50, and a plurality of gaskets 52 are arranged between the L-shaped connecting plate 51 and the fourth clamping plate 50.
Example 4
The internal supporting and protecting structure for the small-diameter deep foundation pit comprises: at least two inner vertical columns 10, any two adjacent inner vertical columns 10 are fixedly connected through a first clamping plate 20 and a first outer vertical column 11 which are arranged in sequence.
Example 5
At least three first clamping plates 20 are arranged on the inner vertical column 10 along the axial direction.
Example 6
The internal supporting and protecting structure for the small-diameter deep foundation pit comprises: and a first adjusting block 23 disposed inside the first clamping plate 20 and on a side close to the inner column 10.
Example 7
The internal supporting and protecting structure for the small-diameter deep foundation pit comprises: and a second adjusting block 33 disposed inside the second clamping plate 30 and on a side close to the first outer column 11.
Example 8
The outer side of the inner upright post 10 is provided with a sliding groove 14, and one end of a third sliding rod 41 is slidably arranged in the sliding groove.
The application minor diameter deep basal pit is with interior supporting structure theory of operation:
this application is through setting up supporting construction inside the foundation ditch, and buffer spring can be fixed in foundation ditch pithead wall with splint automatically according to the width of foundation ditch, can also be according to the size of foundation ditch, through inserting first regulating block 23 and/or second regulating block 33, increases control range, and adaptability is wide.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are only for illustrating the technical solution of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments only. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (8)
1. The utility model provides an inner support structure for minor diameter deep basal pit which characterized in that: the method comprises the following steps:
the outer side of the inner upright post (10) is uniformly provided with four first clamping plates (20) on the same cross section, a first buffer spring (21) is arranged in any one of the first clamping plates (20), one side of the first buffer spring (21) is fixedly provided with a first sliding rod (22), and the first clamping plate (20) is in sliding connection with the first sliding rod (22);
the first outer upright post (11) is arranged on one side of the first sliding rod (22), two second clamping plates (30) are symmetrically arranged on two sides of the first outer upright post (11), the outer sides of the second clamping plates (30) are arranged on the inner side of the foundation pit (100) in an abutting mode, a second buffer spring (31) is arranged on the inner side of each second clamping plate (30), a second sliding rod (32) is fixedly arranged on one side of each second buffer spring (31), and the second sliding rod (32) is in sliding connection with the second clamping plates (30);
and the second outer upright columns (12) are fixedly arranged on one side of the second sliding rod (32), and a reinforcing plate (40) is arranged between every two adjacent second outer upright columns (12).
2. The internal support structure for the small-diameter deep foundation pit according to claim 1, wherein the internal support structure for the small-diameter deep foundation pit further comprises:
the third sliding rod (41) is arranged between the two first clamping plates (20) and is fixedly connected with the inner upright post (10);
and one side of the third clamping plate (42) is arranged on the outer side of the third sliding rod (41) and is in sliding connection with the third sliding rod (41), the other side of the third clamping plate is hinged to the reinforcing plate (40), and a third buffer spring (43) is arranged in the third clamping plate (42).
3. The internal supporting and protecting structure for the small-diameter deep foundation pit according to claim 1, wherein the internal supporting and protecting structure for the small-diameter deep foundation pit further comprises:
the fourth clamping plate (50) is arranged on one side of the second outer upright post (12), is arranged on one side far away from the second clamping plate (30) and is abutted against the inner wall of the foundation pit (100);
l type connecting plate (51), both ends cover are established fourth splint (50) are inboard, just L type connecting plate (51) with be provided with a plurality of gaskets (52) between fourth splint (50).
4. The internal support structure for the small-diameter deep foundation pit according to claim 1, wherein the internal support structure for the small-diameter deep foundation pit comprises:
at least two inner vertical columns (10), any two adjacent inner vertical columns (10) are fixedly connected through the first clamping plate (20) and the first outer vertical column (11) which are arranged in sequence.
5. An inner supporting structure for a small-diameter deep foundation pit according to claim 1, wherein at least three first clamping plates (20) are provided in the axial direction on the inner column (10).
6. The internal support structure for the small-diameter deep foundation pit according to claim 1, wherein the internal support structure for the small-diameter deep foundation pit comprises:
the first adjusting block (23) is arranged on the inner side of the first clamping plate (20) and is arranged on one side close to the inner upright post (10).
7. The internal support structure for the small-diameter deep foundation pit according to claim 1, wherein the internal support structure for the small-diameter deep foundation pit comprises:
and the second adjusting block (33) is arranged on the inner side of the second clamping plate (30) and is arranged on one side close to the first outer upright post (11).
8. The internal support structure for the small-diameter deep foundation pit according to claim 2, wherein the internal support structure for the small-diameter deep foundation pit comprises:
a sliding groove (14) is formed in the outer side of the inner upright post (10), and one end of the third sliding rod (41) is arranged in the sliding groove in a sliding mode.
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CN202210556819.0A CN115075254B (en) | 2022-05-19 | 2022-05-19 | Inner supporting structure for small-diameter deep foundation pit |
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CN202210556819.0A CN115075254B (en) | 2022-05-19 | 2022-05-19 | Inner supporting structure for small-diameter deep foundation pit |
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CN115075254B CN115075254B (en) | 2023-07-18 |
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CN205475258U (en) * | 2016-04-06 | 2016-08-17 | 李安桥 | Housing construction basis deep basal pit excavation construction protection structure |
JP6078196B1 (en) * | 2016-07-05 | 2017-02-08 | 仙建工業株式会社 | How to build steel columns |
CN106869548A (en) * | 2017-04-09 | 2017-06-20 | 北京工业大学 | A kind of newel framework assembled underground parking structural system and construction method |
CN213233487U (en) * | 2020-08-25 | 2021-05-18 | 武汉安振岩土工程有限公司 | Foundation pit supporting structure |
CN112982437A (en) * | 2021-03-09 | 2021-06-18 | 福建江夏学院 | Cement-soil steel pile foundation pit water stopping device |
CN213597667U (en) * | 2020-08-10 | 2021-07-02 | 蔡鑫 | Foundation ditch safety device based on town road engineering |
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 |
CN113356235A (en) * | 2021-07-21 | 2021-09-07 | 郭易盟 | Foundation pit supporting structure for excavation of foundation pit |
CN214301772U (en) * | 2020-12-31 | 2021-09-28 | 四川呈飞建设工程有限公司 | Inner supporting structure for foundation pit |
CN113756350A (en) * | 2021-09-30 | 2021-12-07 | 中化明达(福建)地质勘测有限公司 | Drainage structures of building foundation ditch |
CN215252912U (en) * | 2021-04-14 | 2021-12-21 | 中建一局集团第二建筑有限公司 | Steel plate box foundation pit support with adjustable size |
CN216075143U (en) * | 2021-08-23 | 2022-03-18 | 辽宁省建筑设计研究院岩土工程有限责任公司 | Measure foundation ditch supporting construction of foundation ditch parameter |
CN216275726U (en) * | 2021-10-28 | 2022-04-12 | 中国建筑第五工程局有限公司 | Support piece of deep foundation pit fender post |
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2022
- 2022-05-19 CN CN202210556819.0A patent/CN115075254B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205475258U (en) * | 2016-04-06 | 2016-08-17 | 李安桥 | Housing construction basis deep basal pit excavation construction protection structure |
JP6078196B1 (en) * | 2016-07-05 | 2017-02-08 | 仙建工業株式会社 | How to build steel columns |
CN106869548A (en) * | 2017-04-09 | 2017-06-20 | 北京工业大学 | A kind of newel framework assembled underground parking structural system and construction method |
CN213597667U (en) * | 2020-08-10 | 2021-07-02 | 蔡鑫 | Foundation ditch safety device based on town road engineering |
CN213233487U (en) * | 2020-08-25 | 2021-05-18 | 武汉安振岩土工程有限公司 | Foundation pit supporting structure |
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 |
CN214301772U (en) * | 2020-12-31 | 2021-09-28 | 四川呈飞建设工程有限公司 | Inner supporting structure for foundation pit |
CN112982437A (en) * | 2021-03-09 | 2021-06-18 | 福建江夏学院 | Cement-soil steel pile foundation pit water stopping device |
CN215252912U (en) * | 2021-04-14 | 2021-12-21 | 中建一局集团第二建筑有限公司 | Steel plate box foundation pit support with adjustable size |
CN113356235A (en) * | 2021-07-21 | 2021-09-07 | 郭易盟 | Foundation pit supporting structure for excavation of foundation pit |
CN216075143U (en) * | 2021-08-23 | 2022-03-18 | 辽宁省建筑设计研究院岩土工程有限责任公司 | Measure foundation ditch supporting construction of foundation ditch parameter |
CN113756350A (en) * | 2021-09-30 | 2021-12-07 | 中化明达(福建)地质勘测有限公司 | Drainage structures of building foundation ditch |
CN216275726U (en) * | 2021-10-28 | 2022-04-12 | 中国建筑第五工程局有限公司 | Support piece of deep foundation pit fender post |
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