TableĀ 4.

Average values of geotechnical parameters of the exploratory boreholes

Borehole IDTotal depth (m)LocationDrilling angle relative to verticalAverage RQD (%)DescriptionNumber of joints
BH-1220Right abutment096excellent2
BH-2200Right abutment092excellent6
BH-3220Left abutment098.3excellent4
BH-4140Left abutment084good5
BH-5134Left abutment073fair16
BH-690Left abutment096.9excellent3
BH-7143Foundation1591excellent2
BH-8250Foundation093good3
BH-950.1Foundation087good7
BH-10100Foundation4086good8
BH-11125.2Left abutment093.7excellent5
BH-12190Left abutment091.2excellent7
BH-1340.15Left abutment087.9good5
BH-1480Left abutment093.7excellent5
BH-1540.25Foundation095excellent2
BH-16220Left abutment082.2good9
BH-1740Foundation098excellent1
BH-1850Left abutment095.9excellent3
BH-19120Left abutment095.2excellent2
BH-20250Foundation1591excellent7
BH-2143Foundation098excellent1
BH-22240Foundation095excellent2
BR-1144.8Right abutment4097.4excellent2
BR-2250.15Right abutment092.1excellent6