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A platform for research: civil engineering, architecture and urbanism
Auxiliary installation method of inclinometer for monitoring deep horizontal displacement of deep foundation pit
The invention discloses an auxiliary installation method of an inclinometer for monitoring deep horizontal displacement of a deep foundation pit. A PVC sleeve (1), a drilling machine (2) provided witha mud pump (2-1), a rubber pipe (3) and the inclinometer (4) are included, the drilling machine (2) drills a hole in a soil slope in advance, the mud pump (2-1) is started in the drilling process, bentonite mud which is stirred in advance and has a specific concentration is pumped through the rubber pipe (3), and the mud protects the wall of the drilled hole through a hollow drill rod; when drilling is carried out to the designed elevation of the bottom of the hole, the PVC sleeve (1) is placed in the drilled hole section by section; the rubber pipe (3) at an inlet of the mud pump is insertedinto the bottom of the PVC sleeve (1) in the drilled hole, and the mud pump (2-1) is started to pump out the mud in the drilled hole; then the rubber pipe at the inlet of the mud pump is pulled out,and the inclinometer (4) is placed in the PVC sleeve (1) section by section; and then the PVC sleeve (1) is pulled out section by section, and finally fine sand is backfilled into the drilled hole forhole shrinkage.
本发明公开了一种深基坑深层水平位移监测用测斜管辅助安装方法，包括PVC套管(1)、配备泥浆泵(2‑1)的钻机(2)、橡胶管(3)和测斜管(4)；钻机(2)预先在土坡上钻孔，钻孔过程中启动泥浆泵(2‑1)，用橡胶管(3)抽取预先拌置好特定浓度的膨润土泥浆，泥浆通过空心钻杆对钻孔进行护壁；钻至孔底设计标高时，将PVC套管(1)逐段下放于钻孔；将泥浆泵进口的橡胶管(3)插入钻孔内的PVC套管(1)的底部，启动泥浆泵(2‑1)抽干钻孔内的泥浆；然后抽出泥浆泵进口的橡胶管，将测斜管(4)逐段下放于PVC套管(1)内；然后分段拔出PVC套管(1)，最后往钻孔内回填细砂进行缩孔。
Auxiliary installation method of inclinometer for monitoring deep horizontal displacement of deep foundation pit
The invention discloses an auxiliary installation method of an inclinometer for monitoring deep horizontal displacement of a deep foundation pit. A PVC sleeve (1), a drilling machine (2) provided witha mud pump (2-1), a rubber pipe (3) and the inclinometer (4) are included, the drilling machine (2) drills a hole in a soil slope in advance, the mud pump (2-1) is started in the drilling process, bentonite mud which is stirred in advance and has a specific concentration is pumped through the rubber pipe (3), and the mud protects the wall of the drilled hole through a hollow drill rod; when drilling is carried out to the designed elevation of the bottom of the hole, the PVC sleeve (1) is placed in the drilled hole section by section; the rubber pipe (3) at an inlet of the mud pump is insertedinto the bottom of the PVC sleeve (1) in the drilled hole, and the mud pump (2-1) is started to pump out the mud in the drilled hole; then the rubber pipe at the inlet of the mud pump is pulled out,and the inclinometer (4) is placed in the PVC sleeve (1) section by section; and then the PVC sleeve (1) is pulled out section by section, and finally fine sand is backfilled into the drilled hole forhole shrinkage.
本发明公开了一种深基坑深层水平位移监测用测斜管辅助安装方法，包括PVC套管(1)、配备泥浆泵(2‑1)的钻机(2)、橡胶管(3)和测斜管(4)；钻机(2)预先在土坡上钻孔，钻孔过程中启动泥浆泵(2‑1)，用橡胶管(3)抽取预先拌置好特定浓度的膨润土泥浆，泥浆通过空心钻杆对钻孔进行护壁；钻至孔底设计标高时，将PVC套管(1)逐段下放于钻孔；将泥浆泵进口的橡胶管(3)插入钻孔内的PVC套管(1)的底部，启动泥浆泵(2‑1)抽干钻孔内的泥浆；然后抽出泥浆泵进口的橡胶管，将测斜管(4)逐段下放于PVC套管(1)内；然后分段拔出PVC套管(1)，最后往钻孔内回填细砂进行缩孔。
Auxiliary installation method of inclinometer for monitoring deep horizontal displacement of deep foundation pit
一种深基坑深层水平位移监测用测斜管辅助安装方法
YUAN FANGLONG (author) / XU YITENG (author) / CHEN YUNTAO (author) / LI BIN (author) / LIU TIANYUN (author)
2020-07-24
Patent
Electronic Resource
Chinese
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