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it 1 <br />~' ~~~ Table 3 -Vibration Standards and Criteria <br />i' Bi <br /> <br />1 <br />~1 <br /> <br />i' <br /> Peak Particle <br /> Velocity <br />Applicable Conditions (in/sec) Reference <br />Ruins, ancient and historic buildings 0.080 German Vibration Standazds <br />given antiquities protection (DIN 4150) <br />Buildings with visible damage and 0.16 German Vibration Standards <br />cracks in masonry (DIN 4150) <br />Buildings in good condition, possibly 0.32 German Vibration Standazds <br />with cracks in plaster (DIN 4150) <br />Special Caze, historical monuments, 0.20 Esteves (1978) <br />hospitals, and very tall buildings <br />founded on coherent soils or sand <br />Current construction founded on 0.40 Esteves (1978) <br />coherent soils or sand <br />Ancient and historic monuments 0.30 Ashley (1976) <br />Housing in poor repair 0.47 Ashley (1976) <br />Good residential, commercial and 1.0 Ashley (1976) <br />industrial structures <br />No noticeable crack formation 0.71 Langefors and Kilhstrom (1963) <br />Fine cracks in plaster 1.2 Langefors and Kilhstrom (1963) <br />Crack formation 1.6 Langefors and Kilhstrom (1963) <br />Table 4 -Summary of Ground Vibration Damage <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br /> <br /> Particle Particle <br /> Velocity Velocity <br />Damage Criteria (in/sec) ' (in/sec) •• <br />Safe, No noticeable Damage < 2.0 < 3.0 <br />Caution, Loosening of paint, small cracks at joints, 2.0 to 4.25 3.0 to 4.25 <br />lengthening old cracks. <br />Minor Damage, loosening of plaster, cracks in 4.25 to 6.5 4.25 to 6.0 <br />masonry around openings <br />Major Damage, Cracks in walls, structural 6.5 to 10 6.0 to ]0 <br />weakening, fall of masonry <br />-Nicholls, et al. (1971) " - Langetors et al. (19J8) <br />AG RA <br />Earth & Environments/Group <br />