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Water-stop steel sheet pile island-building cofferdam structure and construction method thereof
The invention discloses a water-stop steel sheet pile island-building cofferdam structure and a construction method thereof, and belongs to the technical field of steel sheet pile cofferdams, the water-stop steel sheet pile island-building cofferdam structure comprises a limiting support, a plurality of supporting columns, a plurality of peripheral steel sheet piles, filler, a plurality of inner steel sheet piles and a positioning mechanism, and the supporting columns are arranged on a riverbed; by arranging the long rod and the short rod, the long rod and the short rod are rotated to drive the extrusion block to make contact with the inserted peripheral steel sheet pile, and when a new peripheral steel sheet pile is inserted, if the new peripheral steel sheet pile drives the inserted steel sheet pile to move downwards, the inserted peripheral steel sheet pile can drive the extrusion block to move downwards; due to the fact that the long rods and the short rods are inclined, and U-shaped movable blocks are clamped on limiting supports, the larger the downward moving distance of the peripheral steel sheet piles is, the larger the thrust applied to the peripheral steel sheet piles by the long rods and the short rods through extrusion blocks is, and then the friction force between the extrusion blocks and the peripheral steel sheet piles is increased; and the phenomenon of pile carrying can be avoided.
本发明公开了一种止水钢板桩筑岛围堰结构及其施工方法，属于钢板桩围堰技术领域，包括限位支架、多个支撑柱、多个外围钢板桩、填料、多个内围钢板桩和定位机构，多个支撑柱均设置在河床上；通过设置长杆和短杆，转动长杆和短杆能够带动挤压块与插入后的外围钢板桩接触，插入新的外围钢板桩时，若新的外围钢板桩带动插入后的钢板桩向下移动，使得插入后的外围钢板桩能够带动挤压块向下移动，进而能够长杆或短杆能够发生转动，由于长杆和短杆处于倾斜状，且U形活动块卡在限位支架上，使得外围钢板桩向下移动的距离越大，长杆和短杆通过挤压块对外围钢板桩施加的推力越大，进而使得挤压块与外围钢板桩之间的摩擦力增大，能够避免带桩的现象发生。
Water-stop steel sheet pile island-building cofferdam structure and construction method thereof
The invention discloses a water-stop steel sheet pile island-building cofferdam structure and a construction method thereof, and belongs to the technical field of steel sheet pile cofferdams, the water-stop steel sheet pile island-building cofferdam structure comprises a limiting support, a plurality of supporting columns, a plurality of peripheral steel sheet piles, filler, a plurality of inner steel sheet piles and a positioning mechanism, and the supporting columns are arranged on a riverbed; by arranging the long rod and the short rod, the long rod and the short rod are rotated to drive the extrusion block to make contact with the inserted peripheral steel sheet pile, and when a new peripheral steel sheet pile is inserted, if the new peripheral steel sheet pile drives the inserted steel sheet pile to move downwards, the inserted peripheral steel sheet pile can drive the extrusion block to move downwards; due to the fact that the long rods and the short rods are inclined, and U-shaped movable blocks are clamped on limiting supports, the larger the downward moving distance of the peripheral steel sheet piles is, the larger the thrust applied to the peripheral steel sheet piles by the long rods and the short rods through extrusion blocks is, and then the friction force between the extrusion blocks and the peripheral steel sheet piles is increased; and the phenomenon of pile carrying can be avoided.
本发明公开了一种止水钢板桩筑岛围堰结构及其施工方法，属于钢板桩围堰技术领域，包括限位支架、多个支撑柱、多个外围钢板桩、填料、多个内围钢板桩和定位机构，多个支撑柱均设置在河床上；通过设置长杆和短杆，转动长杆和短杆能够带动挤压块与插入后的外围钢板桩接触，插入新的外围钢板桩时，若新的外围钢板桩带动插入后的钢板桩向下移动，使得插入后的外围钢板桩能够带动挤压块向下移动，进而能够长杆或短杆能够发生转动，由于长杆和短杆处于倾斜状，且U形活动块卡在限位支架上，使得外围钢板桩向下移动的距离越大，长杆和短杆通过挤压块对外围钢板桩施加的推力越大，进而使得挤压块与外围钢板桩之间的摩擦力增大，能够避免带桩的现象发生。
Water-stop steel sheet pile island-building cofferdam structure and construction method thereof
一种止水钢板桩筑岛围堰结构及其施工方法
HE TAO (author) / WANG HAO (author) / WANG CHAO (author) / SHI HUAIYUAN (author) / NI HAO (author) / ZHOU WENJIE (author) / FANG ANG (author) / YUAN JUNWEI (author)
2024-07-30
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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