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The application discloses a rectangular frame column settlement observation point pre-burying device and a pre-burying construction method. The device comprises a first L-shaped plate, a second L-shaped plate and a gear mechanism. The gear mechanism comprises a hollow rectangular base plate, a gear and a positioning ring. A settlement observation rod is arranged in the positioning ring, the gear and the hollow rectangular base plate. Upper bolts and lower bolts are arranged on the positioning ring. The method comprises the following steps: 1, rectangular frame column steel bar binding and formwork erection; 2, adjustment of the rectangular frame column settlement observation point pre-burying device; 3, installation of the rectangular frame column settlement observation point pre-burying device; 4, installation of the settlement observation rod; 5, concrete pouring and settlement observation rod pre-burying; and 6, removal of the rectangular frame column settlement observation point pre-burying device. After the rectangular frame column formwork is installed, the settlement observation point pre-burying device is used to pre-bury and fix the settlement observation point.

The present application relates to geotechnical engineering monitoring technical field, disclose a kind of sensor self-displacement burying micro robot based on bionical peristalsis, including sensor push system, the side of sensor push system is connected with telescopic displacement system, and the side of telescopic displacement system and sensor push system away from each other is equipped with extrusion counterforce system.The present application realizes soil minimally invasive drilling and sensor pre-burying operation, reduces the interference to soil, improves soil detection accuracy;Combined with inertial navigation and program control, the accurate control of burying depth, plane position and sensor attitude can be realized, the accurate pre-burying of detection sensor is realized;Adopt bionical peristalsis mechanism to make it have very strong obstacle and through loose medium capacity, suitable for a variety of complex geological conditions;Integrates autonomous travel, accurate release, autonomous recycling function, realizes the full-process automation of sensor burying;Energy utilization efficiency is high, and almost no earthwork and noise is generated during the whole burying process, realizes green geotechnical engineering monitoring.