NQConditionTable

Splitting Splitting
Tensile Tensile
Strength Strength
Borehole Condition Criteria Conclusion Rock Contact
Monolith # Designation BT UT UR UC MT MR MC U B (psi) (psi) Notes
15 45R   X X         1       fresh to slightly weathered granite at contact [OTV not available]
60R   X       X   1   487 &
1111		   fresh to slightly weathered granite at contact, 1st ST slightly weathered granite (1-2" below contact), 2nd fresh granite (~1' below contact). [OTV: narrow open fractures at or just below contact (29.8'), 5" thick fractured zone at 32.3']
75R X           X   1 833   APS 2" thick at contact, 1 ST on AP Rock ~1 to 2" below contact, [OTV: concrete void at 16.5', contact (24.4') appears intact]
90   X         X 1       APS 1/2" thick at contact - fresh granite below, [OTV: contact (22.3') appears intact, bond probably weak]
75L   X X X       1       APS 1" thick, [OTV: contact-rock appears intact bond probably weak, minor concrete voids (14.2')]
60L   X   X       1       APS very thin (1/8 - 1/4"), [OTV: concrete voids (19.5'), fracture at contact (22.9')]
45L   X           1       APS 1.5" to 2" thick, [(OTV: narrow fracture at contact (24.5'), bond probably weak]
                  6 1      
16 60R   X X         1       iron staining at contact, fresh granite below that [OTV: iron staining, narrow open
fracture at contact (17.5')]
75R X       X       1     granite fresh to slightly weathered at contact, fresh below that [OTV: contact (13.4') appears intact, narrow minor rock fracture (14.4')]
90 X   X         1       granite moderately to slightly weathered at contact (3-6" thick), fresh below [OTV: narrow  fracture at contact (13.1') with iron staining, narrow fracture (14.0') with iron staining]
75L   X           1   633   granite slightly weathered at contact (1" thick), 1 ST on RBC [OTV: numerous narrow fractures and iron staining at contact (12.3') and rock (12.7')]
60L X   X         1       granite moderately weathered at contact, [OTV: numerous narrow fractures and iron staining at contact (11.9') and rock (12.2 to 13.5')]
52L X   X         1     569 APS not evident, moderately to highly weathered granite, 1 ST at contact. [OTV: narrow fractures at contact (13.2') and rock (13.4 and 13.8')
45L X   X         1     848 APS not evident, may be moderately weathered, 1 ST at Contact
                  6 1      
17 60R X   X         1     381 highly weathered granite at contact (3" thick), numerous microfractures visible, 1 ST at Contact, [OTV: narrow fractures at contact (20.7'), concrete (19.9') , rock (20.9'), some iron staining and some infilled, numerous rock fractures (23', 23.7']
75R X   X         1       fresh granite throughout, [OTV: concrete voids (11.2'), contact (17.9') appears intact but numerous narrow rock fractures (18.0 to 19.7')]
90 X       X       1     fresh granite throughout, [OTV: contact (16.3') intact, infilled fractures (17.2, 18.4')]
75L   X     X     1       APS 1" thick, natural fracture just below APS, [OTV: contact (15.1') appears intact, could exist very narrow fractures, bond probably weak
60L X   X         1       fresh to slightly weathered granite at contact, fresh below. [OTV: contact (16.1') appears bonded, narrow rock fractures (16.2, 16.8')]
45L X         X     1   696 fresh to slightly weathered granite at contact, fresh below, 1 ST at Contact, [OTV poor quality, but contact and rock appear intact]
                  4 2      
18 45R X           X   1     [OTV: slightly weathered to fresh granite at contact, 1" thick max, contact (18.3') intact]
60R X       X X     1     APS at contact 1-2" thick, fresh granite below, [OTV: contact (13.0') intact, rock fresh]
75R X   X         1   1317   APS at contact 1/2" thick, moderately to slightly weathered fracture 1.5" below contact, fresh below with few slightly weathered fractures, 1 ST on AP Rock, [OTV poor quality: contact (10.3') appears intact, infilled rock joint (12.1')]
90   X X         1   1058   APS at contact 1/2" thick, highly weathered fractures 1" and 1.2' below (and parallel) to contact, 1 ST on RBC slightly to moderately weathered, 1 UC on RBC. [OTV: contact (9.4') and rock fracture (10.5') weathered with iron staining, numerous infilled fractures (10.7 to 16.3')]
75L   X X         1   1648   APS at contact 1/2" thick, highly weathered fracture 2.5" below contact, fresh below, 1 ST on RBC fresh granite, [OTV: narrow open fractures at contact (9.4') and rock (9.5 and 11.0'), similar joint pattern to B18-90]
60L ? X           1       fresh to slightly weathered granite at contact, steep natural fracture in rock below contact - not parallel to contact. [OTV: contact (11.9') appears intact but unclear]
45L X   X         1       slightly to moderately weathered rock at contact, fresh granite below, UC on RBC canceled (broke in handling), changed to 18-90, [OTV: contact (9.9') appears intact, infilled rock joint (11.0')]
30L   X           1       soft grout at contact - unusual condition, thin veneer of slightly to moderately weathered rock at contact, [OTV: open fracture appears between aggregate and contact (10.2'), narrow rock fracture (12.8')]
>Actual drilling angle (bearing and dip) not shown 6 2      
BT Bonded conTact     Splitting Tensile (ST) Tests
UT Unbonded conTact     Rock Below Contact (RBC)
UR Unbonded (fractured) Rock   Alteration Plated Surface (APS) of fault footwall
UC Unbonded (fractured) Concrete Unconfined Compression (UC)
MT Mechanical fracture conTact Optical TeleViewer (OTV) Color
MR Mechanical fracture Rock  
MC Mechanical fracture Concrete Updated 6/29/05 5:00pm