CN216739705U - A hasp steel-pipe pile cofferdam for gluing cobble geology - Google Patents
A hasp steel-pipe pile cofferdam for gluing cobble geology Download PDFInfo
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- CN216739705U CN216739705U CN202122897518.8U CN202122897518U CN216739705U CN 216739705 U CN216739705 U CN 216739705U CN 202122897518 U CN202122897518 U CN 202122897518U CN 216739705 U CN216739705 U CN 216739705U
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- steel pipe
- pipe pile
- cofferdam
- steel
- pebble
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to the field of cofferdams, in particular to a lock catch steel pipe pile cofferdam for cemented pebble geology, which comprises a steel pipe pile structure, wherein an inner support structure is arranged in the steel pipe pile structure, the steel pipe pile structure comprises a plurality of lock catch steel pipe piles, and the plurality of lock catch steel pipe piles are sequentially connected and enclosed into a rectangular frame structure; a steel protective cylinder is arranged inside the rectangular frame structure; the steel casing is connected with a cofferdam auxiliary supporting mechanism; the utility model discloses a lock catch steel pipe pile cofferdam for cemented pebble geology.
Description
Technical Field
The utility model relates to the field of cofferdams, in particular to a lock catch steel pipe pile cofferdam for cemented pebble geology.
Background
Cofferdam: the temporary enclosure structure is constructed for constructing permanent aquatic facilities in the construction of aquatic engineering.
The cofferdams are more in variety, and the steel pipe pile cofferdams are generally adopted in rivers with deeper water and higher flow speed; the existing steel pipe pile cofferdam can be smoothly constructed in most environments, but has certain problems in construction for some special riverbeds.
Particularly, in a river with a riverbed geology being cemented pebble geology, sand and pebbles in the riverbed of the cemented pebble geology are more, so that the steel pipe piles cannot be smoothly inserted and driven in place when being inserted and driven, and the stability of the overall structure of the cofferdam and the engineering construction are influenced due to the fact that the steel pipe piles are not inserted and driven in place.
Therefore, in order to solve the problems, the foundation clearing frequency is increased, generally, after initial foundation clearing, secondary foundation clearing is carried out again, and then the steel pipe piles can be inserted and driven in place, so that the cofferdam construction can be smooth.
But when the clear base of cofferdam secondary, because the pressure variation is great inside and outside the cofferdam, the cofferdam can take place great deformation under the effect of the outside extrusion force, influences the follow-up continuation use of cofferdam then.
Therefore, in order to ensure the stability of the cofferdam during secondary foundation cleaning, the prior cofferdam structure needs to be optimally designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a novel cofferdam structure capable of realizing secondary foundation cleaning.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a lock catch steel pipe pile cofferdam for cemented pebble geology comprises a steel pipe pile structure, wherein the steel pipe pile structure comprises a plurality of lock catch steel pipe piles which are sequentially connected to form a rectangular frame structure; a steel protective cylinder is arranged inside the rectangular frame structure; the steel pile casing is connected with a cofferdam auxiliary supporting mechanism.
A ring beam structure is further arranged in the steel pipe pile structure and comprises a first layer of ring beam, a second layer of ring beam and a third layer of ring beam; the first layer of ring beams, the second layer of ring beams and the third layer of ring beams are sequentially distributed at intervals from top to bottom in the steel pipe pile structure; the cofferdam auxiliary supporting mechanism is arranged above the first layer of ring beams.
A support bracket is arranged in the steel pipe pile structure and connected to one or more lock catch steel pipe piles in the steel pipe pile structure; and the mould hanging concrete is arranged in the lock catch steel pipe pile connected with the support bracket.
And a bottom sealing concrete layer is arranged at the bottom of the steel pipe pile structure.
The cofferdam auxiliary supporting mechanism comprises a supporting beam; one end of the supporting beam is connected with the steel pipe pile structure, and the other end of the supporting beam is connected with the steel casing.
The supporting beam is close to one end of the steel casing and is provided with an auxiliary part, the auxiliary part comprises a supporting plate arranged on the supporting beam, one end of the supporting plate is arranged on the supporting beam, and the other end of the supporting plate is attached to the steel casing.
The supporting beam is provided with two auxiliary parts which are symmetrically distributed at two ends of the supporting beam.
The supporting plate is obliquely arranged; the central axis of the support beam passes through the central point of the steel casing; the support beam is vertical to the side wall of the cofferdam connected with the support beam.
An arc-shaped groove is formed in the joint area of the support plate and the steel casing.
And a supporting pad is arranged in the arc-shaped groove.
The utility model has the advantages that:
the utility model discloses a lock catch steel pipe pile cofferdam for cemented pebble geology.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural view of the cofferdam auxiliary supporting mechanism of the present invention.
Fig. 4 is a front view of the present invention during construction.
Fig. 5 is a schematic structural view of the present invention when a support bracket is provided.
The labels in the above figures are:
1. the cofferdam comprises a cofferdam body, 2 steel pile casings, 3 cofferdam auxiliary supporting mechanisms, 4 back cover concrete layers and 5 supporting brackets.
Detailed Description
The following description of preferred embodiments of the utility model will be made in further detail with reference to the accompanying drawings.
A lock catch steel pipe pile cofferdam for cemented pebble geology comprises a steel pipe pile structure 11, wherein a ring beam structure 12 is arranged in the steel pipe pile structure 11, the steel pipe pile structure 11 comprises a plurality of lock catch steel pipe piles 111, and the plurality of lock catch steel pipe piles 111 are sequentially connected to form a rectangular frame structure; a steel casing 2 is arranged inside the rectangular frame structure; the steel casing 2 is connected with a cofferdam auxiliary supporting mechanism 3; the cofferdam auxiliary supporting mechanism comprises a supporting beam 31; one end of the supporting beam 31 is connected with the inner wall of the cofferdam 1, and the other end of the supporting beam is connected with the steel casing 2 in the cofferdam 1; the utility model discloses a lock catch steel pipe pile 111 cofferdam for cemented pebble geology, which can realize the support of the periphery of the cofferdam 1 during the secondary foundation cleaning of the cofferdam 1 through the arrangement of an auxiliary cofferdam support mechanism 3, namely the matching use of a support beam 31 and an auxiliary part 32, and avoid the influence on the subsequent normal use due to the larger deformation caused by the pressure around a foundation pit during the foundation cleaning of the cofferdam.
Specifically, the cofferdam auxiliary supporting mechanism 3 disclosed by the utility model mainly comprises a supporting beam 31, wherein the supporting beam 31 plays a role of lateral supporting, and the supporting of the inner wall of the cofferdam is realized by matching with the steel pile casing 2, so that the cofferdam 1 is ensured to be greatly deformed due to larger external stress during secondary foundation cleaning.
During specific use, supporting beam 31 one end is connected inside cofferdam 1, can connect on steel-pipe pile structure 11 as required, and the other end supports to press on steel protects a section of thick bamboo 2, through the limiting displacement of steel protects a section of thick bamboo 2 to realize the injecing of supporting beam 31 position, thereby make steel protect a section of thick bamboo 2 and can support cofferdam 1 edge, guarantee the structural stability of cofferdam 1 when the clear base of secondary.
Further, a ring beam structure 12 is further arranged in the steel pipe pile structure 11, and the ring beam structure 12 includes a first layer of ring beams 121, a second layer of ring beams 122 and a third layer of ring beams 123; the first layer of ring beams 121, the second layer of ring beams 122 and the third layer of ring beams 123 are sequentially distributed at intervals from top to bottom in the steel pipe pile structure 11; the cofferdam auxiliary supporting mechanism is arranged above the first layer of ring beams 121; the ring beam structure 12 is arranged, so that the supporting effect of the steel pipe pile structure 11 can be well guaranteed, and the stability of the overall structure of the cofferdam is guaranteed.
In addition, during the in-service use, above-mentioned cofferdam auxiliary stay mechanism can use when not setting up circle beam structure 12 in the cofferdam for cofferdam auxiliary stay mechanism acts as the circle roof beam and realizes the inside support to the cofferdam, guarantees cofferdam structure overall structure's stability, guarantees going on smoothly of the clear base of secondary, and after circle beam structure 12 arranged the completion, cofferdam auxiliary stay mechanism can demolish as required.
Further, a support bracket 5 is arranged inside the steel pipe pile structure 11, wherein the support bracket 5 is an erection beam structure and is mainly used for supporting a ring beam structure 12 and ensuring the suspension of the ring beam structure 12 inside the cofferdam; the internal support of the steel pipe pile structure 11 is realized; the method belongs to the prior art, and is not described herein again, and in the utility model, the support bracket 5 is connected to one or more lock catch steel pipe piles 111 in the steel pipe pile structure 11; a mould lifting concrete 1-1 is arranged in the lock catch steel pipe pile 111 connected with the support bracket 5; the arrangement of the hoisting mould concrete 1-1 can increase the structural strength of the lock catch steel pipe pile 111 and ensure the stability of the support bracket 5 connected on the steel pipe pile structure 11.
Further, the bottom of the steel pipe pile structure 11 is provided with a bottom-sealed concrete layer 4; the bottom sealing concrete layer 4 can laterally support and limit the bottom of the steel pipe pile structure 11, the overall structural strength of the cofferdam is increased to a certain extent, meanwhile, the inner support of the steel pipe pile structure 11 can be realized by matching with a ring beam, and meanwhile, the subsequent bearing platform and the arch support are convenient to set.
Furthermore, in the utility model, an auxiliary part 32 is arranged at one end of the support beam 31 close to the steel casing 2, the auxiliary part 32 comprises a support plate 321 arranged on the support beam 31, one end of the support plate 321 is arranged on the support beam 31, and the other end is attached to the steel casing 2; the auxiliary part 32 is arranged, so that the contact area between the cofferdam auxiliary supporting mechanism 3 and the steel pile casing 2 is increased, and the support of the cofferdam auxiliary supporting mechanism 3 on the cofferdam 1 is well ensured; specifically, the auxiliary part 32 comprises a support plate 321 arranged on the support beam 31, and the arrangement of the support plate 321 is equivalent to increase the transverse dimension of one end of the support beam 31 close to the steel casing 2 and increase the contact area between the cofferdam auxiliary support mechanism 3 and the steel casing 2, so that the stability of the cofferdam auxiliary support mechanism 3 for supporting the cofferdam 1 is well ensured; meanwhile, the supporting plate 321 is equivalent to a reinforcing rib, so that the structural strength of the end part of the cofferdam auxiliary supporting mechanism 3 can be well ensured.
Furthermore, in the present invention, two auxiliary portions 32 are disposed on the supporting beam 31, and the two auxiliary portions 32 are symmetrically distributed at two ends of the supporting beam 31; by adopting the arrangement, the connection stability between the cofferdam auxiliary supporting mechanism 3 and the steel pile casing 2 can be ensured, and the problem that the cofferdam auxiliary supporting mechanism 3 and the steel pile casing 2 slide relatively due to the force offset applied by the cofferdam auxiliary supporting mechanism 3 to the steel pile casing 2 is solved.
Further, in the present invention, the supporting plate 321 is obliquely arranged; the central axis of the support beam 31 passes through the center point of the steel casing 2; the support beam 31 is vertical to the side wall of the cofferdam 1 connected with the support beam 31; by the arrangement, the supporting beam 31 and the supporting plate 321 are matched as an arc-shaped clamping jaw clamped on the steel casing 2, the connection stability between the cofferdam auxiliary supporting mechanism 3 and the steel casing 2 is well ensured, and the problem that the side surface of the cofferdam auxiliary supporting mechanism 3 slips off the steel casing 2 is basically avoided.
Further, in the utility model, an arc-shaped groove 322 is arranged in the joint area of the support plate 321 and the steel casing 2; due to the arrangement of the arc-shaped groove 322, the arc-shaped groove 322 is required to have the same radian as the outer side surface of the steel casing 2 in contact with the arc-shaped groove, so that the contact area between the support plate 321 and the steel casing 2 is increased, and the connection stability between the support plate 321 and the steel casing 2 is well ensured; simultaneously in order to guarantee the stability of being connected between a supporting beam 31 and the steel protects a section of thick bamboo 2, also be equipped with the heavy groove structure of arc at a supporting beam 31 tip, the mode that sets up like this can make things convenient for a supporting beam 31 laminating to support and press in the steel protects a section of thick bamboo 2 outside.
Furthermore, in the utility model, a supporting pad 323 is arranged in the arc-shaped groove 322; the supporting pad 323 can be a rubber pad or a protective pad made of an anti-slip material, one function of the supporting pad 323 is to avoid rigid collision between the supporting plate 321 and the steel casing 2, and the other function of the supporting pad 323 is to increase the friction force between the supporting plate 321 and the steel casing 2, so as to ensure the stability of connection between the supporting plate 321 and the steel casing 2.
It is clear that the specific implementation of the utility model is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the utility model.
Claims (9)
1. The latch steel pipe pile cofferdam for cemented pebble geology is characterized by comprising a steel pipe pile structure, wherein the steel pipe pile structure comprises a plurality of latch steel pipe piles which are sequentially connected to form a rectangular frame structure; a steel protective cylinder is arranged inside the rectangular frame structure; the steel casing is connected with a cofferdam auxiliary supporting mechanism; a ring beam structure is further arranged in the steel pipe pile structure and comprises a first layer of ring beam, a second layer of ring beam and a third layer of ring beam; the first layer of ring beams, the second layer of ring beams and the third layer of ring beams are sequentially distributed at intervals from top to bottom in the steel pipe pile structure; the cofferdam auxiliary supporting mechanism is arranged above the first layer of ring beams.
2. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 1, wherein a support bracket is arranged inside the steel pipe pile structure and connected to one or more hasp steel pipe piles in the steel pipe pile structure; and the mould hanging concrete is arranged in the lock catch steel pipe pile connected with the support bracket.
3. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 1, wherein a bottom-sealed concrete layer is arranged at the bottom of the steel pipe pile structure.
4. The hasp steel pipe pile cofferdam for consolidated pebble geology according to claim 1, wherein said cofferdam auxiliary support mechanism comprises a support beam; one end of the supporting beam is connected with the steel pipe pile structure, and the other end of the supporting beam is connected with the steel casing.
5. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 4, wherein an auxiliary part is arranged at one end of the supporting beam close to the steel casing, the auxiliary part comprises a supporting plate arranged on the supporting beam, one end of the supporting plate is arranged on the supporting beam, and the other end of the supporting plate is attached to the steel casing.
6. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 5, wherein two auxiliary parts are arranged on the supporting beam and symmetrically distributed at two ends of the supporting beam.
7. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 5, wherein said support plates are arranged obliquely; the central axis of the support beam passes through the central point of the steel casing; the support beam is vertical to the side wall of the cofferdam connected with the support beam.
8. The hasp steel pipe pile cofferdam for consolidated pebble geology according to claim 5, wherein the joint area of the supporting plate and the steel casing is provided with an arc-shaped groove.
9. The hasp steel pipe pile cofferdam for cemented pebble geology according to claim 8, wherein a support pad is arranged in the arc-shaped groove.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897518.8U CN216739705U (en) | 2021-11-24 | 2021-11-24 | A hasp steel-pipe pile cofferdam for gluing cobble geology |
| DE212022000111.7U DE212022000111U1 (en) | 2021-11-24 | 2022-11-18 | Cofferdam with lockable tubular steel piles for cemented siliceous geology |
| PCT/CN2022/132840 WO2023093632A1 (en) | 2021-11-24 | 2022-11-18 | Lock-type steel pipe pile cofferdam for cemented pebble geology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897518.8U CN216739705U (en) | 2021-11-24 | 2021-11-24 | A hasp steel-pipe pile cofferdam for gluing cobble geology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216739705U true CN216739705U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122897518.8U Active CN216739705U (en) | 2021-11-24 | 2021-11-24 | A hasp steel-pipe pile cofferdam for gluing cobble geology |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN216739705U (en) |
| DE (1) | DE212022000111U1 (en) |
| WO (1) | WO2023093632A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093632A1 (en) * | 2021-11-24 | 2023-06-01 | 中铁上海工程局集团有限公司 | Lock-type steel pipe pile cofferdam for cemented pebble geology |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4237603B2 (en) * | 2003-10-24 | 2009-03-11 | 株式会社技研製作所 | Steel pipe sheet pile and its construction method and space construction method using the steel pipe sheet pile |
| US8545129B2 (en) * | 2011-03-04 | 2013-10-01 | Weekly Bros. Inc. | Cofferdam modules |
| CN106638640B (en) * | 2017-01-23 | 2019-01-18 | 中铁七局集团有限公司勘测设计研究院 | Construction method without bottom concrete combined type cofferdam under the conditions of formation geology |
| CN108978637A (en) * | 2018-09-25 | 2018-12-11 | 中铁十局集团第二工程有限公司 | A kind of steel pipe pile cofferdam construction method and cofferdam water-stopping method |
| CN211873056U (en) * | 2020-03-20 | 2020-11-06 | 中国葛洲坝集团路桥工程有限公司 | Temporary steel pipe pile with arc-shaped partition plate |
| CN213296396U (en) * | 2020-06-18 | 2021-05-28 | 中铁十一局集团第一工程有限公司 | Steel sheet pile cofferdam for tidal zone of sea area |
| CN111980019B (en) * | 2020-08-21 | 2022-04-26 | 中铁四局集团有限公司 | Construction method of steel pipe pile cofferdam for locking notch of main bridge bearing platform of super-large bridge |
| CN113026779A (en) * | 2021-01-20 | 2021-06-25 | 安徽省公路桥梁工程有限公司 | Combined steel sheet pile cofferdam and construction method |
| CN113216227B (en) * | 2021-04-22 | 2023-03-28 | 浙大城市学院 | Construction method of steel cofferdam in complex turbulent water area |
| CN114108666B (en) * | 2021-11-24 | 2023-01-24 | 中铁上海工程局集团有限公司 | Construction method of cemented pebble geological cofferdam and cofferdam structure |
| CN216739705U (en) * | 2021-11-24 | 2022-06-14 | 中铁上海工程局集团有限公司 | A hasp steel-pipe pile cofferdam for gluing cobble geology |
-
2021
- 2021-11-24 CN CN202122897518.8U patent/CN216739705U/en active Active
-
2022
- 2022-11-18 DE DE212022000111.7U patent/DE212022000111U1/en active Active
- 2022-11-18 WO PCT/CN2022/132840 patent/WO2023093632A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093632A1 (en) * | 2021-11-24 | 2023-06-01 | 中铁上海工程局集团有限公司 | Lock-type steel pipe pile cofferdam for cemented pebble geology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023093632A1 (en) | 2023-06-01 |
| DE212022000111U1 (en) | 2023-09-04 |
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