Measuring device for measuring upward arching and sinking of roadbed in horizontal hole

• Main Authors: LIU GUIYING, ZENG ZHONGLIN, PENG JIAGUI, ZHENG KUNPENG, LI ZHENGCHUAN, ZHAO BANGYU, ZHOU DINGXIANG, LIU YONG, DAI JUNWEI
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; GYROSCOPIC INSTRUMENTS; HYDRAULIC ENGINEERING; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SOIL SHIFTING; SURVEYING; TESTING; UNDERGROUND OR UNDERWATER STRUCTURES

The utility model provides a measuring device for measuring upward arching and sinking of a roadbed in a horizontal hole, which comprises a steel sleeve inserted into the horizontal hole of a soil body at the lower layer of the roadbed, the bottom of the steel sleeve is provided with a plurality of measuring ports which are arranged at intervals along the length direction of the steel sleeve, and a plurality of probe devices which are arranged corresponding to the measuring ports are arranged in the steel sleeve. And the probe device can detect the upward arching amount or the sinking amount of the roadbed at the measuring port through the measuring port. According to the utility model, the steel sleeve is inserted into the horizontal hole drilled in the subgrade lower-layer soil body, the probe device is also mounted in the horizontal hole along with the steel sleeve, and the measuring port is reserved at the bottom of the steel sleeve, so that the probe device can conveniently perform upward arching or sink