爆破
爆破
폭파
BLASTING
2009年
4期
45-48
,共4页
陈雯%罗晓辉%金亚兵%赵行立
陳雯%囉曉輝%金亞兵%趙行立
진문%라효휘%금아병%조행립
基坑围护结构%爆破%爆破监测%振动安全标准
基坑圍護結構%爆破%爆破鑑測%振動安全標準
기갱위호결구%폭파%폭파감측%진동안전표준
pit support structure%blasting%blast monitoring%vibration safety regulation
在建基坑工程中场坪爆破施工安全控制的目标是确保基坑围护结构及其相邻环境的安全.设计主要针城市复杂环境下进行的基坑工程坑底场坪爆破,根据基坑安全要求,结合爆破安全规范所确定的相邻环境安全控制目标,通过爆破方案的选定及其孔网参数的设计,分析拟定了基坑围护结构振动安全标准为7cm/s.通过爆破防护与监测方案设计,实现控制爆破振动、飞石等的危害.爆破施工监测结果表明,爆破方案设计所拟定爆破施工及其控制方法满足规范的控制要求,确保了爆破施工安全、高效、顺利进行.
在建基坑工程中場坪爆破施工安全控製的目標是確保基坑圍護結構及其相鄰環境的安全.設計主要針城市複雜環境下進行的基坑工程坑底場坪爆破,根據基坑安全要求,結閤爆破安全規範所確定的相鄰環境安全控製目標,通過爆破方案的選定及其孔網參數的設計,分析擬定瞭基坑圍護結構振動安全標準為7cm/s.通過爆破防護與鑑測方案設計,實現控製爆破振動、飛石等的危害.爆破施工鑑測結果錶明,爆破方案設計所擬定爆破施工及其控製方法滿足規範的控製要求,確保瞭爆破施工安全、高效、順利進行.
재건기갱공정중장평폭파시공안전공제적목표시학보기갱위호결구급기상린배경적안전.설계주요침성시복잡배경하진행적기갱공정갱저장평폭파,근거기갱안전요구,결합폭파안전규범소학정적상린배경안전공제목표,통과폭파방안적선정급기공망삼수적설계,분석의정료기갱위호결구진동안전표준위7cm/s.통과폭파방호여감측방안설계,실현공제폭파진동、비석등적위해.폭파시공감측결과표명,폭파방안설계소의정폭파시공급기공제방법만족규범적공제요구,학보료폭파시공안전、고효、순리진행.
The control object of grading blasting construction guarantee the safety of pit support structure and its surrounding during the pit construction.This design focuses on grading blasting in pit construction in urban complex environment.Based on the pit safety requirements and the regulated safety control object of adjacent surrounding by blast safety regulation,and through the choice of blasting scheme and its hole and network parameter design,the vibration safety standard 7 cm/s of pit support structure was defined preliminarily.Through the safety protection and monitoring,the damage of blasting vibration,flyrock,etc.was controlled.The monitoring results show that the blasting construction and its control measures of design content to the regulation requirements and all of those guarantee the safe and effective process of blasting construction.