CN112095625A - Method for improving deformation resistance of support pile - Google Patents
Method for improving deformation resistance of support pile Download PDFInfo
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- CN112095625A CN112095625A CN202011040607.4A CN202011040607A CN112095625A CN 112095625 A CN112095625 A CN 112095625A CN 202011040607 A CN202011040607 A CN 202011040607A CN 112095625 A CN112095625 A CN 112095625A
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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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- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a method for improving the anti-deformation capability of a support pile, which arranges pile piles at the periphery of a foundation pit according to a certain distance as required, and the specific method comprises the following steps: (1) the pile support is characterized in that a pile stack which is not less than two support piles is arranged on the side surface of a foundation support pile with a large side length and span at a certain distance, and the pile stack support pile is connected with the foundation support pile through a connecting beam. (2) A many even roof beams for connecting pile buttress fender pile and basic fender pile are interval align to grid, divide into even roof beam owner muscle, even roof beam waist muscle and even roof beam stirrup, even roof beam owner muscle, the vertical setting of even roof beam waist muscle, even roof beam stirrup transversely sets up, forms firm cross connection body. (3) The internal support piles in the pile stack are connected into a whole through crown beams on the pile tops. The invention can effectively reduce the deformation of the original foundation supporting structure by arranging the pile support piles, so that the deformation of the foundation pit is in a controllable range, and the potential safety hazard of the foundation pit is eliminated.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of building construction, in particular to a method for improving deformation resistance of a support pile.
[ background of the invention ]
In foundation pit engineering with limited use place, large excavation depth, poor geological conditions or certain requirements for deformation, pile row is a common supporting mode. The currently adopted deep foundation pit simulation software can calculate the row pile support deformation value, but the middle area of the side of the foundation pit with larger side length span is easy to generate deformation exceeding the calculated support structure, and certain potential safety hazards exist.
In the conventional foundation pit supporting design scheme, the real-time monitoring shows that the maximum deformation support of the foundation pit usually appears in the middle area of the side of the foundation pit with larger side-long span, the deformation value usually exceeds the theoretical value of deep foundation pit calculation software, and certain potential safety hazard is caused to the use of the foundation pit.
[ summary of the invention ]
In view of the above, in order to overcome the defects in the prior art, the invention provides a method for improving the deformation resistance of a support pile.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for improving the anti-deformation capability of a support pile is characterized in that pile piles are arranged on the periphery of a foundation pit according to a certain distance according to needs, and the method comprises the following specific steps:
(1) namely, pile supporting piles are arranged on the side surfaces of foundation supporting piles with larger side length and span at certain intervals, and the pile supporting piles and the foundation supporting piles are connected into a whole by connecting beams;
(2) the multiple connecting beams for connecting the pile support piles and the foundation support piles are uniformly arranged at intervals and are divided into connecting beam main reinforcements, connecting beam waist reinforcements and connecting beam stirrups, the connecting beam main reinforcements and the connecting beam waist reinforcements are vertically arranged, and the connecting beam stirrups are transversely arranged to form a stable cross connecting body;
(3) the interior of the pile support pile is connected into a whole through a crown beam at the pile top, and the crown beam comprises a crown beam main rib, a crown beam waist rib and a crown beam stirrup which are in cross vertical connection with each other.
Furthermore, pile buttress fender pile and basis fender pile's height is the same, and the size is unanimous, is favorable to the stability of structure, more effective strutting.
The pile buttress fender pile comprises two piece at least fender piles, pile buttress fender pile props up according to the mode of strutting of double row pile and keeps off.
The foundation support piles are foundation pit peripheral support piles.
The crown beam and the coupling beam are arranged according to structural reinforcement, and comprise main reinforcements, waist reinforcements and stirrups which are vertically connected in a cross mode to form a stable connecting body.
The method effectively reduces the deformation of the supporting structure at the external corner protruding into the pit in the foundation pit with large side length and large span and the foundation pit with irregular shape, effectively reduces the deformation of the supporting structure, and adopts the following connection modes of pile piles and supporting piles around the foundation pit: the supporting piles in the pile are connected into a whole through pile top crown beams, the pile top supporting piles and foundation supporting piles (namely the supporting piles at the periphery of the foundation pit) are connected into a whole through pile top connecting beams, and the crown beams and the connecting beams are arranged according to structural reinforcement.
The invention has the advantages that the pile stacks are arranged at intervals on the side of the foundation pit with larger side length span, the deformation of the supporting structure can be effectively reduced, the deformation of the foundation pit is in a controllable range, the potential safety hazard of the foundation pit is eliminated, the effect is better exerted, and the increased construction cost is relatively low. Generally speaking, the pile piles are arranged at a certain distance according to needs at the periphery of the foundation pit, so that the improvement measure for effectively enhancing the safety of support and protection and being relatively economical is provided.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view showing the connection of pile support piles and foundation support piles according to the present invention.
Fig. 2 is a schematic diagram of the reinforcement of the connecting beam of the invention.
Fig. 3 is a schematic diagram of the reinforcing bar of the crown beam of the present invention.
In the figure, 1, pile piles, 2, foundation support piles, 3, connecting beams, 31, connecting beam main reinforcements, 32, connecting beam waist reinforcements, 33 and connecting beam stirrups; 4. crown beam 41, crown beam main rib 42, crown beam waist rib 43, crown beam stirrup 5 and crown beam.
[ detailed description ] embodiments
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, 2 and 3, a method for improving the deformation resistance of a support pile, which comprises the following steps of arranging pile piles at the periphery of a foundation pit according to a certain distance according to requirements:
(1) namely, the pile support piles 1 are arranged on the side surface of the foundation support pile 2 with larger side length and span at certain intervals, and the pile support piles 1 are connected with the foundation support pile 2 into a whole by the connecting beam 3.
(2) Many even roof beams 3 for connecting pile buttress fender pile 1 and foundation fender pile 2 are interval align to grid, divide into even roof beam owner muscle 31, even roof beam waist muscle 32 and even roof beam stirrup 33, even roof beam owner muscle 31, even the vertical setting of roof beam waist muscle 32, even roof beam stirrup 33 transversely sets up, forms firm cross connection body, as shown in fig. 2.
(3) The interiors of the pile supporting piles 1 are connected into a whole through a crown beam 4 on the pile top, and the crown beam 4 comprises a crown beam main rib 41, a crown beam waist rib 42 and a crown beam stirrup 43 which are in cross vertical connection with each other, as shown in fig. 3.
Furthermore, all the supporting piles in the foundation supporting pile 2 are also connected into a whole through another crown beam 5 on the top of the pile.
The foundation support piles 2 are support piles around the foundation pit.
The pile supporting pile 1 and the foundation supporting pile 2 are equal in height and consistent in size, and therefore stability of the structure is facilitated, and supporting is more effective.
As shown in the figure, pile support piles 1 are composed of two support piles, and the pile is supported and blocked according to a support mode of double-row piles.
The crown beam 4, the crown beam 5 and the coupling beam 3 are arranged according to the structural reinforcement arrangement, and the reinforcements are mutually crossed and vertically connected to form a stable connecting body.
According to the invention, through the structural scheme, the deformation of the supporting structure at the external corner protruding into the pit in the foundation pit with the larger side length and the larger span is effectively reduced, the pile stacks of not less than two piles are arranged at intervals on the foundation side with the larger side length and the larger span, the pile stack supporting piles are connected with the supporting piles at the periphery of the foundation pit through the connecting beams, the pile stacks are supported and blocked in a supporting mode similar to double rows of piles, and the supporting piles at the periphery of the foundation pit have a certain degree of tensile fulcrum action, so that the deformation of the supporting structure is effectively reduced, the conception is ingenious, and the effect is obvious.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. The method for improving the deformation resistance of the support pile is characterized in that pile piles are arranged on the periphery of a foundation pit according to a certain distance as required, and the specific method is as follows:
(1) namely, pile supporting piles are arranged on the side surfaces of foundation supporting piles with larger side length and span at certain intervals, and the pile supporting piles and the foundation supporting piles are connected into a whole by connecting beams;
(2) the multiple connecting beams for connecting the pile support piles and the foundation support piles are uniformly arranged at intervals and are divided into connecting beam main reinforcements, connecting beam waist reinforcements and connecting beam stirrups, the connecting beam main reinforcements and the connecting beam waist reinforcements are vertically arranged, and the connecting beam stirrups are transversely arranged to form a stable cross connecting body;
(3) the interior of the pile support pile is connected into a whole through a crown beam on the pile top, and the crown beam comprises a crown beam main rib, a crown beam waist rib and a crown beam stirrup which are in cross vertical connection with each other.
2. The method of claim 1, wherein the pile stack support piles and the foundation support piles are of the same height.
3. The method of claim 1, wherein the pile support piles are composed of at least two pile support piles, and the pile support piles are supported in a double row pile support mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040607.4A CN112095625A (en) | 2020-09-28 | 2020-09-28 | Method for improving deformation resistance of support pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040607.4A CN112095625A (en) | 2020-09-28 | 2020-09-28 | Method for improving deformation resistance of support pile |
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| Publication Number | Publication Date |
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| CN112095625A true CN112095625A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011040607.4A Pending CN112095625A (en) | 2020-09-28 | 2020-09-28 | Method for improving deformation resistance of support pile |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010019014A2 (en) * | 2008-08-14 | 2010-02-18 | 코오롱건설(주) | Method for constructing a chair-type, self-supported earth retaining wall |
| CN204530720U (en) * | 2015-03-19 | 2015-08-05 | 成都四海岩土工程有限公司 | A kind of foundation pit supporting construction |
| CN206768834U (en) * | 2017-04-20 | 2017-12-19 | 中南勘察设计院（湖北）有限责任公司 | A kind of deep basal pit combined support structure |
| CN108222018A (en) * | 2018-02-07 | 2018-06-29 | 深圳宏业基岩土科技股份有限公司 | The construction method of the connector of double-row pile apical cap beam and linking beam |
| CN209339157U (en) * | 2018-12-21 | 2019-09-03 | 中冶集团武汉勘察研究院有限公司 | A kind of boundling stake pile structure for pattern foundation pit supporting structure |
| CN210621706U (en) * | 2019-05-08 | 2020-05-26 | 中国建筑西南勘察设计研究院有限公司 | Foundation pit supporting structure for controlling deformation through pile loosening |
-
2020
- 2020-09-28 CN CN202011040607.4A patent/CN112095625A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010019014A2 (en) * | 2008-08-14 | 2010-02-18 | 코오롱건설(주) | Method for constructing a chair-type, self-supported earth retaining wall |
| CN204530720U (en) * | 2015-03-19 | 2015-08-05 | 成都四海岩土工程有限公司 | A kind of foundation pit supporting construction |
| CN206768834U (en) * | 2017-04-20 | 2017-12-19 | 中南勘察设计院（湖北）有限责任公司 | A kind of deep basal pit combined support structure |
| CN108222018A (en) * | 2018-02-07 | 2018-06-29 | 深圳宏业基岩土科技股份有限公司 | The construction method of the connector of double-row pile apical cap beam and linking beam |
| CN209339157U (en) * | 2018-12-21 | 2019-09-03 | 中冶集团武汉勘察研究院有限公司 | A kind of boundling stake pile structure for pattern foundation pit supporting structure |
| CN210621706U (en) * | 2019-05-08 | 2020-05-26 | 中国建筑西南勘察设计研究院有限公司 | Foundation pit supporting structure for controlling deformation through pile loosening |
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Application publication date: 20201218 |
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| RJ01 | Rejection of invention patent application after publication |