Cement grouted rock bolts

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Selection of the appropriate cementanchoring grout can provide many ofthe following advantages:• Rapid strength gain• Excellent pumpability• Durability of high strength and low porosity forlong term life• Resistance to high saline and acidic ground watershrinkage compensated.26
• CGRB are the ideal instrument to support highmediumstiffness zones.• Cement grouted rock bolts reaches optimumstrenght in few days.• CGRB are used mainly permanent supporting.• Cheap and simple application process.27
Page 1: Hacettepe University - Departmant o
Page 4 and 5: Support PrinciplesaminatedStrataWea
Page 6 and 7: Support PrinciplesFracturedRockWeak
Page 8 and 9: • Bolt Type• Strength• Grade
Page 10 and 11: A number of different grout materia
Page 12 and 13: BOLT DIAMETERS - TENSILE STRENGHT T
Page 14 and 15: High speed cement grout mixers are
Page 17 and 18: It is most important to ensure that
Page 19 and 20: 1. Domed plate2. Domed nut3. Thread
Page 21 and 22: 1. Anchor plate2. Hex nut3. Threadb
Page 28: Stability control can be provideddu

Cement grouted rock bolts

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