ROCK ANCHORS â THEN AND NOW - Geosystems, LP

More documents

Recommendations

Info

Sept 2003 Corrosion Protection Requirements PROTECTION REQUIREMENTS CLASS ANCHORAGE UNBONDED TENDON BOND LENGTH LENGTH I 1. TRUMPET 1. GREASE-FILLED 1. GROUT-FILLED ENCAPSULATED 2. COVER IF SHEATH, OR ENCAPSULATION, TENDON EXPOSED 2. GROUT-FILLED OR SHEATH, OR 2. EPOXY 3. EPOXY FOR FULLY BONDED <strong>ANCHORS</strong> II 1. TRUMPET 1. GREASE-FILLED GROUT 2. COVER IF SHEATH, OR GROUT PROTECTED EXPOSED 2. HEAT SHRINK TENDON SLEEVE
Sept 2003 4. Stressing and Testing Then: • Progressive simple loading to 100% Design Working Load • No cycling • Lock off at ≤ 70% GUTS • Lift off test • No creep test
Page 1 and 2: Sept 2003 GEOSYSTEMS, L.P (724) 942
Page 3 and 4: Sept 2003 1. Background • Large d
Page 5 and 6: Sept 2003 GEOSYSTEMS, L.P. Now: Exa
Page 7 and 8: Normal Anchor Design ASSUMPTION Str
Page 9 and 10: Sept 2003 1 (f eff) EFFICIENCY FACT
Page 11 and 12: Normal 10 m anchor capacity vs. 10
Page 13 and 14: Sept 2003 3.1 Drilling Then: • Di
Page 15 and 16: Rock Drilling Methods 1. Rotary Sep
Page 17 and 18: Sept 2003 Circulation Type and Appl
Page 19 and 20: Sept 2003 Circulation Type and Appl
Page 21 and 22: Table 2. Summary of recorded drill
Page 23 and 24: Sept 2003 Recording of Drilling Pro
Page 25 and 26: Sept 2003 3.2 Water Pressure Testin
Page 27 and 28: Sept 2003 3.3 Grouting Then: • Pr
Page 29 and 30: Sept 2003 Trial Mixes • Cement se
Page 31 and 32: Sept 2003 3.4 Tendon Then: • Cont
Page 33 and 34: How to provide the needed Corrosion
Page 35: Corrosion Protection Decision Tree
Page 39 and 40: Anchor Tests - General 1. Pre-produ
Page 41 and 42: Graphical Analysis of Performance T
Page 43 and 44: Graphical Analysis of Proof Test Da
Page 45 and 46: Special Considerations for Epoxy Co
Page 47: Sept 2003 6. Overview THEN NOW Geot

ROCK ANCHORS â THEN AND NOW - Geosystems, LP

Create successful ePaper yourself

Delete template?

Save as template?

ROCK ANCHORS â THEN AND NOW - Geosystems, LP