基于集成树算法的岩石黏聚力和内摩擦角预测方法
李地元,杨博,刘子达,刘永平,赵君杰

Prediction Method of Rock Cohesion and Internal Friction Angle Based on Ensemble Tree Algorithm
Diyuan LI,Bo YANG,Zida LIU,Yongping LIU,Junjie ZHAO
表1 数据统计信息
Table 1 Statistical information of data
统计项目

VP

/(m·s-1

ρ

/(g·cm-3

UCS

/MPa

BTS

/ MPa

c

/MPa

φ/(°)
数量199199199199199199
平均值4 350.512.66127.4515.9619.2634.22
标准差1 105.430.1055.266.935.164.41
最小值2 209.342.4140.975.209.9624.57
25%分位数3 603.112.5988.0010.6015.5430.43
50%分位数4 240.932.67120.9015.1318.7034.55
75%分位数5 286.292.74165.0520.8922.0337.70
最大值6 328.142.89237.7629.8532.1143.35
偏度-0.07-0.200.300.290.48-0.12
峰度-0.98-0.25-0.89-0.87-0.23-0.88