Engineering Characteristics and Application Analysis of Red Sandstone in the Lanzhou Metro

Figure 13

Statistics of natural uniaxial compressive strength data. 1 means Xiguanshizi; 2 means No.5 Bus Company; 3 means No.5 Bus Company to Dingxi; 4 means Dingxi Road; 5 means Dingxi to Wulipu; 6 means Wulipu to Yannan; 7 means Yannan Road; 8 means Yannan to Yanyuan; 9 means Yanyuan Road; 10 means Yanyuan to Yanbei; 11 means North of Yanyuan to Yanbei; and 12 means Yanbei Road.