Drainage structure for soft foundation: Fid-Bau Portal

Drainage structure for soft foundation

ZHOU JIANZHEN / CHEN FENGQING / WU GUICHUN / LEI BINBIN

The invention discloses a drainage structure for a soft foundation, and relates to the technical field of foundation drainage. The problem of foundation settlement caused by continuous drainage of a drainage channel is solved. The drainage structure comprises a sandbag filled with sandstones and a sand well used for installing the sandbag, the drainage structure further comprises a water stop mechanism installed in the sandbag, the water stop mechanism comprises a positioning rod, a first water stop disc and a second water stop disc, wherein the positioning rod is installed in the sandbag; the first water stop disc is coaxially fixed to the bottom of the positioning rod, an opening for discharging sand is formed in the bottom of the sandbag, and the peripheral wall of the first water stop disc is in sealed connection with the inner wall of the opening of the sandbag so as to prevent the sand from being discharged; and the second water stop disc is coaxially fixed to the positioning rod, and the outer peripheral side of the second water stop disc is in sealed connection with the inner peripheral wall of the sandbag. Through a first sand discharging opening and a second sand discharging opening which are arranged in a staggered mode and a first plugging plate and a second plugging plate, after foundation drainage is completed, the drainage effect of a vertical channel can be destroyed, and underground water is prevented from rising along the vertical channel.

本申请公开了一种软基用排水结构，涉及地基排水技术领域，改善了排水通道继续排水导致的地基沉降的问题，其包括装有砂石的沙袋以及用于供沙袋安装的沙井，还包括安装于沙袋中的止水机构，所述止水机构包括：定位杆，安装于沙袋内；第一止水盘，同轴固定于定位杆的底部，沙袋的底部开设有供砂石排出的开口，第一止水盘的外周壁与沙袋的开口内壁密封连接以阻止砂石排出；第二止水盘，同轴供固定于定位杆上，所述第二止水盘的外周侧与沙袋的内周壁密封连接。本申请通过交错设置的第一排沙口与第二排沙口以及用于第一封堵板与第二封堵板，能够在完成地基排水后，破坏竖向通道的排水效果，并阻隔地下水的沿竖向通道上升。

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