Method and system for establishing three-dimensional geologic model based on advance drilling data of tunnel

• Main Authors: HU YICHAN, HUANG NENGHAO, PENG YITI, YUAN GUOSEN, ZHU MENGLONG, QIN YONGRAN, LI JIAN, SONG GUANXIAN, XIE WEIWEI, LEI ZAIZHENG, HUANG SHAOMAO, MA BICONG, LIU DAIGAO, PENG HAO, ZHAO TINGTING, WU WENYUAN, JIANG WEI, LIANG MING, XIONG XIAOJUN
• Format: Patent
• Language: Chinese; English
• Published: 31.03.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

The invention relates to the technical field of three-dimensional geological modeling, in particular to a method for establishing a three-dimensional geological model based on tunnel advanced geological drilling data. The method specifically comprises the following steps: S1, converting advanced drilling data into point data of a three-dimensional space; s2, creating a geologic model three-dimensional space grid based on the point data of the three-dimensional space; s3, estimating the lithology and probability of nodes in the three-dimensional space grid of the geologic model by adopting an indicating Kriging algorithm, and selecting the lithology with the maximum probability as the lithology of the nodes; and S4, constructing a three-dimensional geologic model based on the node lithology and the three-dimensional size information formed by the nodes. According to the method, the lithology can be estimated, so that obstacles are removed for establishment of a non-stratification geologic model, and a three-di