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A platform for research: civil engineering, architecture and urbanism
Fabricated steel sheet pile outer supporting device and construction method
The invention provides an assembly type steel sheet pile outer supporting device. The assembly type steel sheet pile outer supporting device comprises N assembly type outer supporting standard units, channel steel and steel strands. The assembly type external support standard units are arranged outside a foundation pit opening, the steel channels are tightly attached to the inner sides of the Larsen steel sheet piles, and the N assembly type external support standard units are fixedly connected with the Larsen steel sheet piles and the steel channels through steel strands. The N assembly type external support standard units comprise steel enclosing purlins and steel supports, the steel enclosing purlins are arranged on the two sides outside the foundation pit opening, and the two ends of the steel supports stretching across the foundation pit opening are fixedly connected with the steel enclosing purlins on the two sides outside the foundation pit opening; holes are evenly formed in the positions, corresponding to the Larsen steel plates in the foundation pit, the steel enclosing purlins outside the foundation pit opening and the steel channels tightly attached to the inner sides of the Larsen steel plate piles, of the steel channels at certain intervals, and a plurality of steel strands penetrate through the holes to fixedly connect the steel enclosing purlins on the same side with the Larsen steel plates and the steel channels. The invention further discloses a construction method of the fabricated steel sheet pile outer support. The available space in the foundation pit is increased, the width of the foundation pit and the earth excavation volume are effectively reduced, the construction cost is reduced, and the working efficiency is improved.
本发明提供一种装配式钢板桩外支撑装置，包括N个装配式外支撑标准单元、槽钢和钢绞线；装配式外支撑标准单元设置于基坑口外，槽钢紧贴于拉森钢板桩内侧，N个装配式外支撑标准单元与拉森钢板桩与槽钢通过钢绞线固定连接；N个装配式外支撑标准单元包括钢围檩与钢支撑，钢围檩设置于基坑口外两侧，横跨基坑口的钢支撑两端与基坑口外两侧的钢围檩固定连接；基坑内拉森钢板与基坑口外钢围檩与紧贴拉森钢板桩内侧的槽钢对应位置均匀间隔一定距离设置孔洞，多根钢绞线穿过孔洞将同侧钢围檩与拉森钢板与槽钢固定连接。本发明还公开了装配式钢板桩外支撑施工方法。本发明增大基坑内可利用空间，有效减少基坑宽度和土方开挖量，降低工程造价，提高工作效率。
Fabricated steel sheet pile outer supporting device and construction method
The invention provides an assembly type steel sheet pile outer supporting device. The assembly type steel sheet pile outer supporting device comprises N assembly type outer supporting standard units, channel steel and steel strands. The assembly type external support standard units are arranged outside a foundation pit opening, the steel channels are tightly attached to the inner sides of the Larsen steel sheet piles, and the N assembly type external support standard units are fixedly connected with the Larsen steel sheet piles and the steel channels through steel strands. The N assembly type external support standard units comprise steel enclosing purlins and steel supports, the steel enclosing purlins are arranged on the two sides outside the foundation pit opening, and the two ends of the steel supports stretching across the foundation pit opening are fixedly connected with the steel enclosing purlins on the two sides outside the foundation pit opening; holes are evenly formed in the positions, corresponding to the Larsen steel plates in the foundation pit, the steel enclosing purlins outside the foundation pit opening and the steel channels tightly attached to the inner sides of the Larsen steel plate piles, of the steel channels at certain intervals, and a plurality of steel strands penetrate through the holes to fixedly connect the steel enclosing purlins on the same side with the Larsen steel plates and the steel channels. The invention further discloses a construction method of the fabricated steel sheet pile outer support. The available space in the foundation pit is increased, the width of the foundation pit and the earth excavation volume are effectively reduced, the construction cost is reduced, and the working efficiency is improved.
本发明提供一种装配式钢板桩外支撑装置，包括N个装配式外支撑标准单元、槽钢和钢绞线；装配式外支撑标准单元设置于基坑口外，槽钢紧贴于拉森钢板桩内侧，N个装配式外支撑标准单元与拉森钢板桩与槽钢通过钢绞线固定连接；N个装配式外支撑标准单元包括钢围檩与钢支撑，钢围檩设置于基坑口外两侧，横跨基坑口的钢支撑两端与基坑口外两侧的钢围檩固定连接；基坑内拉森钢板与基坑口外钢围檩与紧贴拉森钢板桩内侧的槽钢对应位置均匀间隔一定距离设置孔洞，多根钢绞线穿过孔洞将同侧钢围檩与拉森钢板与槽钢固定连接。本发明还公开了装配式钢板桩外支撑施工方法。本发明增大基坑内可利用空间，有效减少基坑宽度和土方开挖量，降低工程造价，提高工作效率。
Fabricated steel sheet pile outer supporting device and construction method
一种装配式钢板桩外支撑装置及施工方法
HUANG XUEGANG (author) / MA JUNYING (author) / LIU LEI (author) / ZHAO WEI (author) / KOU CHUNLEI (author) / DU MINGJUN (author) / LI CHAO (author) / LIU RUNZHI (author) / DENG YONG (author)
2023-07-04
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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