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地震安全性评价

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      地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)安全性(xing)评(ping)价(jia):研究(jiu)区(qu)域(yu)和(he)近(jin)场(chang)区(qu)范围内断层的(de)(de)最新活(huo)动(dong)(dong)(dong)(dong)年代以及现代和(he)历史地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)活(huo)动(dong)(dong)(dong)(dong)时间(jian)、空间(jian)分(fen)(fen)布(bu)(bu),找出构造(zao)和(he)破坏(huai)性(xing)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)之间(jian)的(de)(de)关系,分(fen)(fen)析区(qu)域(yu)范围内未来可能发生的(de)(de)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)及地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)活(huo)动(dong)(dong)(dong)(dong)对(dui)pg电子(zi)官(guan)方(fang)场(chang)地(di)(di)(di)的(de)(de)影响,在(zai)此(ci)基(ji)(ji)础上,科学划分(fen)(fen)潜在(zai)震(zhen)(zhen)(zhen)(zhen)源区(qu),确定(ding)各潜在(zai)震(zhen)(zhen)(zhen)(zhen)源区(qu)的(de)(de)震(zhen)(zhen)(zhen)(zhen)级上限(xian)、地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)空间(jian)分(fen)(fen)布(bu)(bu)函(han)数和(he)各地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)带的(de)(de)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)活(huo)动(dong)(dong)(dong)(dong)性(xing)参数,研究(jiu)确定(ding)适用(yong)于本地(di)(di)(di)区(qu)的(de)(de)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)衰(shuai)减规律(lv),用(yong)概率(lv)方(fang)法计(ji)算基(ji)(ji)岩地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)参数和(he)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)加速(su)度时程(cheng),合成基(ji)(ji)岩地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)加速(su)度时程(cheng)。根据场(chang)地(di)(di)(di)原(yuan)位(wei)测试(shi)及实验(yan)室试(shi)验(yan)结果和(he)场(chang)地(di)(di)(di)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)pg电子(zi)官(guan)方(fang)地(di)(di)(di)质条(tiao)件,建立土层地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)反应(ying)(ying)分(fen)(fen)析模(mo)型,输入(ru)基(ji)(ji)岩地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)加速(su)度时程(cheng),进行场(chang)地(di)(di)(di)土层的(de)(de)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)反应(ying)(ying)分(fen)(fen)析,研究(jiu)场(chang)地(di)(di)(di)的(de)(de)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)效应(ying)(ying),确定(ding)pg电子(zi)官(guan)方(fang)场(chang)地(di)(di)(di)不(bu)同(tong)超(chao)越概率(lv)地(di)(di)(di)表水平(ping)向地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)峰值加速(su)度、反应(ying)(ying)谱,给出pg电子(zi)官(guan)方(fang)场(chang)地(di)(di)(di)建设(she)(she)pg电子(zi)官(guan)方(fang)所需的(de)(de)设(she)(she)计(ji)地(di)(di)(di)震(zhen)(zhen)(zhen)(zhen)动(dong)(dong)(dong)(dong)参数。