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38. 노천시험발파의 진동평가와 개선방안

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Table 1.  Measurements of Blast vibration at Safety thing
Fig. 1.  Relation of Peak Particle Velocity to Square root  Scaled Distance
Fig. 3.  Relation of Max. Allowable Charge weight per  delay to Distance 4.2 시험발파 결과에 따른 발파공법 선정 노천발파  지침과  시험발파  결과에  따른  이격  거리별  장약량을  비교한  것이  Table
Table  4.  Charge Weight per delay to Distance in  accordance with Estimation formular Blasting  vibration T Y P E Range of  Charge weigh  per delay(kg) Estimation formular Blasting vibrationat Design stage () Estimation formular Blasting vibrationof T

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