CN113931198A - Soft soil deep foundation pit PC worker method combination steel-pipe pile envelope - Google Patents
Soft soil deep foundation pit PC worker method combination steel-pipe pile envelope Download PDFInfo
- Publication number
- CN113931198A CN113931198A CN202111340377.8A CN202111340377A CN113931198A CN 113931198 A CN113931198 A CN 113931198A CN 202111340377 A CN202111340377 A CN 202111340377A CN 113931198 A CN113931198 A CN 113931198A
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- pipe pile
- steel pipe
- driving
- auxiliary
- foundation pit
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- 239000002689 soil Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000010276 construction Methods 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 244000208734 Pisonia aculeata Species 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
Abstract
A soft soil deep foundation pit PC construction method combined steel pipe pile enclosure structure belongs to the technical field of civil engineering and comprises a plurality of steel pipe pile bodies, wherein the plurality of steel pipe pile bodies are arranged at intervals, and a fence pile body for connecting the adjacent steel pipe pile bodies is arranged between the adjacent steel pipe pile bodies; the steel pipe pile body comprises a pipe body, the outer surface of the pipe body is provided with a plug-in component for plugging the fence pile body, and the pipe body is also provided with an auxiliary component for ensuring that the adjacent steel pipe pile bodies are parallel to each other, wherein the lower end of the pipe body is provided with two groups of ground breaking pieces convenient for plugging/pulling back the steel pipe pile body, and a driving component for driving the ground breaking pieces is arranged in the pipe body; the invention effectively reduces the literacy requirement on operators, saves time and improves construction quality, and meanwhile, the driving assembly and the ground breaking pieces are combined to enhance the resistance of soil to the pipe body during insertion and back-drawing, thereby changing the process that the soil around the pipe body needs to be loosened during traditional back-drawing and further enhancing the construction quality.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a combined steel pipe pile enclosure structure of a soft soil deep foundation pit PC construction method.
Background
Under modern engineering construction and development, the types of engineering projects are gradually diversified, and in addition, new technology and new technology emerge, so that high-quality engineering projects are created, and the research and innovation of foundation pit construction technology are enhanced. In the foundation pit construction, because the deep foundation pit is the main foundation pit type, the envelope design requirement is higher, and the construction technology of combining the steel pipe pile based on the PC construction method better satisfies the engineering construction needs, makes the project that quality, safety and benefit coexist.
The existing PC construction method has the following problems in the construction process of the combined steel pipe pile:
1) the perpendicularity of the adjacent steel pipe piles needs to be ensured in the hoisting process, so that a theodolite needs to be equipped, and the operation literacy of constructors is high;
2) and when the plug-in mounting or the pull-back are carried out, the plug-in mounting or the pull-back is difficult due to the action of the soil.
Disclosure of Invention
The invention aims to provide a combined steel pipe pile enclosure structure of a soft soil deep foundation pit PC construction method, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a combined steel pipe pile enclosure structure of a soft soil deep foundation pit PC construction method comprises a plurality of steel pipe pile bodies, wherein the steel pipe pile bodies are arranged at intervals, and a fence pile body for connecting the adjacent steel pipe pile bodies is arranged between the adjacent steel pipe pile bodies; the steel-pipe pile body includes the body, the surface branch of body is equipped with and is used for the cartridge of cartridge rail pile body, just still be equipped with on the body and be used for ensuring adjacent each other the steel-pipe pile body is parallel to each other's auxiliary assembly, wherein, the lower extreme of body is equipped with the two sets of pieces that break ground of being convenient for steel-pipe pile body cartridge/pull back, just the inside drive assembly who is used for driving the piece that breaks ground that is equipped with of body.
Compared with the prior art, the technical scheme has the following effects:
according to the invention, the parallel connection of the two adjacent pipe bodies is realized through the auxiliary assembly, the literacy requirement on operators is effectively reduced, the problem that the process requirement is not met during the insertion, and the situation that the operators need to perform repeated plugging and pulling correction is avoided, so that the time is saved, the construction quality is improved, meanwhile, the driving assembly and the soil breaking piece are combined, the resistance of soil to the pipe bodies during the insertion and the back pulling is enhanced, the process that the soil around the pipe bodies needs to be loosened during the traditional back pulling is changed, and the construction quality is further enhanced.
Preferably, the driving assembly comprises a driving shaft rotatably arranged in the pipe body, a first driving rail and a second driving rail are arranged at the lower end of the driving shaft around a spool linear array in the pipe body, when the driving assembly is inserted, the first driving rail abuts against the inner end face of one of the two groups of ground breaking pieces, the outer end faces of the two groups of ground breaking pieces extend to the outer surface of the pipe body, the second driving rail abuts against the other group of ground breaking pieces, and the outer end faces of the ground breaking pieces connected with the second driving rail are accommodated in the pipe body.
Preferably, the first driving rail and the second driving rail have the same structure.
Preferably, the first driving track comprises a connecting sliding groove and a driving sliding groove which are arranged on the driving shaft body, a sliding block is connected in the connecting sliding groove in a sliding mode, the sliding block is fixedly arranged on the ground breaking piece, and the connecting sliding groove is communicated with the driving sliding groove.
Preferably, the auxiliary assembly comprises an auxiliary block, an insertion groove with an upward opening is formed in the end face, away from the pipe body, of the auxiliary block, an auxiliary rod is hinged to the end face, away from the pipe body, of the auxiliary block, a locking assembly used for locking the auxiliary rod on the auxiliary block is arranged on the auxiliary rod, a limiting block is arranged on the lower side of the auxiliary rod, and the limiting block is fixedly arranged on the auxiliary block.
Preferably, the pipe body is provided with a plurality of through grooves, and the ground breaking pieces are rotatably accommodated in the through grooves.
Preferably, a through hole is arranged at the upper end of the shaft body of the driving shaft in a penetrating way, and a rotating handle is inserted into the through hole.
Drawings
FIG. 1 is a schematic view of the combined operation of the present invention;
FIG. 2 is a schematic view of a partial assembly according to the present invention;
FIG. 3 is a schematic view of the drive assembly of the present invention;
FIG. 4 is a schematic view of the combination of the drive assembly and the ground-breaking units of the present invention.
In the figure: 1-a steel pipe pile body; 10-a tube body; 11-a cartridge; 12-an auxiliary block; 13-inserting grooves; 14-an auxiliary rod; 15-a limiting block; 16-a drive assembly; 160-a drive shaft; 161-a first drive rail; 1610-connecting sliding groove; 1611-a drive chute; 162-a second drive track; 17-breaking ground pieces; 2-fence pile body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below in detail and completely with reference to the accompanying 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 embodiments.
Example (b):
as shown in fig. 1, the PC construction method combined steel pipe pile enclosure structure for the soft soil deep foundation pit comprises a plurality of steel pipe pile bodies 1, wherein the plurality of steel pipe pile bodies 1 are arranged at intervals, and a fence pile body 2 for connecting the adjacent steel pipe pile bodies 1 is arranged between the adjacent steel pipe pile bodies 1;
in this embodiment, the steel pipe pile body 1 includes a pipe body 10, the outer surface of the pipe body 10 is respectively provided with a plug-in component 11 for plug-in mounting the fence pile body 2, and the pipe body 10 is further provided with an auxiliary component for ensuring that the adjacent steel pipe pile bodies 1 are parallel to each other, wherein the lower end of the pipe body 10 is provided with two groups of ground breaking pieces 17 for facilitating plug-in/pull-back of the steel pipe pile body 1, and a driving component 16 for driving the ground breaking pieces 17 is arranged inside the pipe body 10; combine fig. 2 to know, the body 10 that realizes adjacent two through auxiliary assembly is parallel to each other, effectively reduce the literacy requirement to operating personnel, secondly, avoided because not reaching the technological requirement during cartridge, need constructor to carry out many times plug and correction, save time and promoted construction quality, and simultaneously, combine drive assembly 16 and broken piece 17, when reinforcing cartridge and pulling back, earth is to the resistance of body, it needs to carry out not hard up technology to the earth around the body 10 to change the tradition to pull back, further strengthen construction quality.
How to ensure that two adjacent pipe bodies 10 are horizontal, the auxiliary assembly includes an auxiliary block 12, an insertion groove 13 with an upward opening is formed on an end surface of the auxiliary block 12 away from the pipe bodies 10, and an auxiliary rod 14 is hinged to the end surface of the auxiliary block 12 away from the pipe bodies 10, a locking assembly for locking the auxiliary rod 14 to the auxiliary block 12 is disposed on the auxiliary rod 14, a limit block 15 is disposed on a lower side of the auxiliary rod 14, the limit block 15 is fixedly disposed on the auxiliary block 12, wherein an insertion block is fixedly disposed at an end of the auxiliary rod 14 away from a hinge point, the insertion block is slidably received in the insertion groove 13, in addition, in this embodiment, the locking assembly is a combination of a screw rod and a pressing block, in other words, the auxiliary rod 14 is hinged to the screw rod, the screw rod is fixedly arranged on the auxiliary block 12, and the auxiliary rod 14 is locked on the auxiliary block 12 through the pressing block during locking; during the working process, firstly, the auxiliary rod 14 is adjusted to be in a horizontal state by combining the limiting block 15 and the locking assembly, and then is slidably accommodated in the insertion groove 13 through the insertion block, so that the auxiliary rod 14 is ensured to be perpendicular to the adjacent pipe body 10.
It should be noted that the two groups of soil-breaking blades 17 have their soil-breaking ends facing opposite to each other, and in this embodiment, the number of the soil-breaking blades 17 is three, and the soil-breaking blades are circumferentially arranged on the tubular body 10.
In order to further illustrate the working principle of the present invention, in the present embodiment, the driving assembly 16 includes a driving shaft 160 rotatably disposed inside the tubular body 10, and a lower end of the driving shaft 160 is provided with a first driving rail 161 and a second driving rail 162 around an axis line array in the tubular body, wherein the first driving rail 161 and the second driving rail 162 have the same structure, and although the first driving rail 161 and the second driving rail 162 have the same structure, as can be seen from fig. 3, the difference between the two driving rails is used for driving different soil breaking pieces 17, that is, when the driving soil breaking pieces 17 extend from the inside of the tubular body 10 to the external space, the directions of the soil breaking ends of the soil breaking pieces 17 are different.
As will be explained in conjunction with the working process, during the insertion, the first driving rail 161 abuts against the inner end surface of one of the two groups of ground breaking pieces 17, the outer end surface of the group of ground breaking pieces 17 extends to the outer surface of the pipe body 10, the second driving rail 162 abuts against the other group of ground breaking pieces 17, the outer end surface of the ground breaking piece 17 connected with the second driving rail 162 is accommodated inside the pipe body 10, and vice versa, so as to enhance the compatibility between the components of the invention.
Further describing the specific structure of the first driving track 161 and the second driving track 162, refer to fig. 4, and select the first driving track 161 for description, specifically, the first driving track 161 includes a connecting chute 1610 and a driving chute 1611 which are disposed on the shaft body of the driving shaft 160, a sliding block is slidably connected in the connecting chute 1610, the sliding block is fixedly disposed on the soil breaking sheet 17, and the connecting chute 1610 is communicated with the driving chute 1611, wherein the driving chute 1611 is a wedge-shaped surface, so that when the driving shaft 160 is rotated, the inner end surface of the soil breaking sheet 17 abuts against the wedge-shaped surface, thereby being extruded into the inside of the pipe body 10 to the outside.
Secondly, in order to improve the overall aesthetic degree of the invention, a plurality of through grooves are formed on the pipe body 10, and the ground breaking pieces 17 are rotatably accommodated in the through grooves.
In addition, in order to facilitate driving the driving shaft 160, a through hole is formed at an upper end of the shaft body of the driving shaft 160, and a rotating handle is inserted into the through hole.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. 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 invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
The present invention has been described in terms of embodiments, and several variations and modifications can be made to the device without departing from the principles of the present invention. It should be noted that all the technical solutions obtained by means of equivalent substitution or equivalent transformation, etc., fall within the protection scope of the present invention.
Claims (7)
1. A combined steel pipe pile enclosure structure of a soft soil deep foundation pit PC construction method comprises a plurality of steel pipe pile bodies (1), wherein the steel pipe pile bodies (1) are arranged at intervals, and fence pile bodies (2) for connecting the adjacent steel pipe pile bodies (1) are arranged between the adjacent steel pipe pile bodies (1); the method is characterized in that: the steel-pipe pile body (1) includes body (10), the surface branch of body (10) is equipped with and is used for the cartridge (11) of cartridge stake body (2), just still be equipped with on body (10) and be used for ensuring adjacent each other the steel-pipe pile body (1) auxiliary assembly that is parallel to each other, wherein, the lower extreme of body (10) is equipped with two sets of pieces of breaking ground (17) that are convenient for steel-pipe pile body (1) cartridge/pull back, just body (10) inside is equipped with drive assembly (16) that are used for driving piece of breaking ground (17).
2. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of claim 1, characterized in that: the driving assembly (16) comprises a driving shaft (160) rotatably arranged inside the pipe body (10), a first driving rail (161) and a second driving rail (162) are arranged at the lower end of the driving shaft (160) around a shaft axis array in the shaft body, when the driving assembly is inserted, the first driving rail (161) abuts against one inner end face of one of the two groups of ground breaking pieces (17), the outer end faces of the groups of ground breaking pieces (17) extend to the outer surface of the pipe body (10), the second driving rail (162) contacts with the other group of ground breaking pieces (17), and the outer end faces of the ground breaking pieces (17) connected with the second driving rail (162) are accommodated inside the pipe body (10).
3. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of claim 2, characterized in that: the first drive rail (161) and the second drive rail (162) have the same structure.
4. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of claim 3, wherein: first drive track (161) including set up in connect spout (1610) and drive spout (1611) on drive shaft (160) axis body, connect spout (1610) sliding connection has the sliding block, the sliding block set firmly in break piece (17) is last, just connect spout (1610) with drive spout (1611) are linked together.
5. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of any one of claims 1 to 4, wherein: the auxiliary assembly comprises an auxiliary block (12), an insertion groove (13) with an upward opening is formed in the end face, far away from the pipe body (10), of the auxiliary block (12), an auxiliary rod (14) is hinged to the end face, far away from the pipe body (10), of the auxiliary block (12), an auxiliary locking assembly used for locking the auxiliary rod (14) on the auxiliary block (12) is arranged on the auxiliary rod (14), a limiting block (15) is arranged on the lower side of the auxiliary rod (14), and the limiting block (15) is fixedly arranged on the auxiliary block (12).
6. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of claim 5, wherein: the pipe body (10) is provided with a plurality of through grooves, and the ground breaking pieces (17) are rotatably accommodated in the through grooves.
7. The combined steel pipe pile enclosure structure of the soft soil deep foundation pit PC construction method of any one of claims 2 to 4, wherein: the upper end of the shaft body of the driving shaft (160) is provided with a through hole in a penetrating mode, and a rotating handle is inserted into the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340377.8A CN113931198A (en) | 2021-11-12 | 2021-11-12 | Soft soil deep foundation pit PC worker method combination steel-pipe pile envelope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340377.8A CN113931198A (en) | 2021-11-12 | 2021-11-12 | Soft soil deep foundation pit PC worker method combination steel-pipe pile envelope |
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| Publication Number | Publication Date |
|---|---|
| CN113931198A true CN113931198A (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111340377.8A Pending CN113931198A (en) | 2021-11-12 | 2021-11-12 | Soft soil deep foundation pit PC worker method combination steel-pipe pile envelope |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112929A (en) * | 1991-10-24 | 1993-05-07 | Nippon Steel Corp | Steel pipe pile column construction method |
| JPH0671530U (en) * | 1993-03-12 | 1994-10-07 | 大阪瓦斯株式会社 | Earth retaining body |
| CN203891031U (en) * | 2014-01-29 | 2014-10-22 | 张继红 | Steel pipe pile continuous wall and assistant construction pile frame thereof |
| JP2015151848A (en) * | 2014-02-19 | 2015-08-24 | 株式会社カネカ | Installation method of foundation pile and installation auxiliary member |
| CN106013151A (en) * | 2015-03-25 | 2016-10-12 | 张继红 | Continuous pile wall construction method and construction device used for continuous pile wall construction method |
| CN106567394A (en) * | 2016-11-14 | 2017-04-19 | 杭州天和建设集团有限公司 | Water-stop PC steel pipe pile and inner pre-stressed section steel support combined supporting construction method |
| CN208844552U (en) * | 2018-08-24 | 2019-05-10 | 浙江升浙建设集团有限公司 | A kind of building stake convenient for loading and unloading |
| CN110438981A (en) * | 2019-07-31 | 2019-11-12 | 中冶(上海)钢结构科技有限公司 | A kind of high-bearing capacity stake and its construction method |
| CN112854279A (en) * | 2021-01-19 | 2021-05-28 | 万晟建设集团有限公司 | Combined pile for foundation engineering and preparation method thereof |
-
2021
- 2021-11-12 CN CN202111340377.8A patent/CN113931198A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112929A (en) * | 1991-10-24 | 1993-05-07 | Nippon Steel Corp | Steel pipe pile column construction method |
| JPH0671530U (en) * | 1993-03-12 | 1994-10-07 | 大阪瓦斯株式会社 | Earth retaining body |
| CN203891031U (en) * | 2014-01-29 | 2014-10-22 | 张继红 | Steel pipe pile continuous wall and assistant construction pile frame thereof |
| JP2015151848A (en) * | 2014-02-19 | 2015-08-24 | 株式会社カネカ | Installation method of foundation pile and installation auxiliary member |
| CN106013151A (en) * | 2015-03-25 | 2016-10-12 | 张继红 | Continuous pile wall construction method and construction device used for continuous pile wall construction method |
| CN106567394A (en) * | 2016-11-14 | 2017-04-19 | 杭州天和建设集团有限公司 | Water-stop PC steel pipe pile and inner pre-stressed section steel support combined supporting construction method |
| CN208844552U (en) * | 2018-08-24 | 2019-05-10 | 浙江升浙建设集团有限公司 | A kind of building stake convenient for loading and unloading |
| CN110438981A (en) * | 2019-07-31 | 2019-11-12 | 中冶(上海)钢结构科技有限公司 | A kind of high-bearing capacity stake and its construction method |
| CN112854279A (en) * | 2021-01-19 | 2021-05-28 | 万晟建设集团有限公司 | Combined pile for foundation engineering and preparation method thereof |
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Application publication date: 20220114 |