Surface structure investigation method applied to permafrost regions

• Main Authors: YAO ZHENFANG, MAO GUOLIANG, LI HUIXIAN, ZHANG FUSHENG, WANG GUOHUA
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2017
• Subjects: DETECTING MASSES OR OBJECTS; GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; MEASURING; PHYSICS; TESTING

The invention discloses a surface structure investigation method applied to permafrost regions. The method includes the following steps: (1) drilling a well at a target point, and recording the thickness of a permafrost during drilling, wherein the well passes through a low-speed zone and a deceleration zone; (2) placing an underground detector on the lower interface of the permafrost, laying a ground detector at the mouth of the well, and laying excitation points under the underground detector; and (3) excitation sampling: making an analysis of data received by the ground detector and the underground detector. By setting the ground detector and the underground detector reasonably and laying the excitation points under the permafrost, a surface structure investigation method applied to permafrost regions is put forward. The method is of high investigation precision, reduces the exploration cost of permafrost regions, and meets the requirement for establishing a fine surface structure model in high-precision s