Experimental and Numerical Studies on the Mechanical Properties of Columnar Jointed Basalt

Table 1

Results of field tests at the left bank of the Baihetan hydropower station [43].

Monitoring position	Elevation (m)	Elastic modulus Ee (GPa)	Deformation modulus E0 (GPa)	(m/s)	(m/s)	η (%)
EA2-1	653.0	15.2	9.8	4900	4350	11.2
EA2-2	651.5	15.1	9.1	4900	4541	7.3
EA2-3	653.0	7.1	4.3	4350	3685	15.3
EC1-1	651.2	5.6	3.5	4900	4147	15.4
EC1-2	651.4	5.0	2.9	4350	3742	14.0
EC2-1	651.3	6.2	3.5	4900	3781	22.8
EB1-1	656.2	2.4	1.4	4350	3492	19.7
EB1-2	656.2	1.8	1.0	4350	3278	24.6
EB2-1	656.5	6.9	3.2	4900	3620	26.1
EL.632-1	632.0	17.7	13.2	4900	4739	3.3
EL.632-2	632.0	13.2	8.7	4900	4659	4.9
EL.632-3	632.0	19.3	12.2	4900	4577	6.6
EL.637-1	637.0	6.0	4.4	4900	3580	26.9
EL.637-2	638.0	6.8	3.4	4900	4413	9.9
EL.637-3	636.0	13.1	8.2	4900	4332	11.6
EL.647-1	647.0	12.3	7.4	4900	4757	2.9
EL.647-2	646.0	17.0	9.8	4900	4440	9.4
EL.647-3	648.0	9.5	5.4	4900	3937	19.7
E11-1	592.0	11.4	8.5	4900	4833	1.4
E11-2	592.0	6.4	4.4	4900	4464	8.9
E11-3	592.0	7.1	4.5	4900	4375	10.7
E11-4	587.0	29.7	23.7	4900	5125	0
E11-5	587.0	12.6	9.8	4900	4802	2.0
E11-6	587.0	6.8	5.1	4900	4569	6.8