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南海子郊野公园二期广场地基均匀性评价

南海子郊野公(gong)园(yuan)二期广场(chang)(chang)位于北京市(shi)大(da)兴区(qu),场(chang)(chang)地(di)表(biao)层(ceng)主(zhu)要为薄厚不均(jun)填土层(ceng),在场(chang)(chang)地(di)内整体(ti)进(jin)行(xing)(xing)(xing)强(qiang)夯(hang)处(chu)理(li),局部(bu)进(jin)行(xing)(xing)(xing)分层(ceng)碾(nian)压处(chu)理(li),处(chu)理(li)面积(ji)较大(da),易发生不均(jun)匀沉降。在本工(gong)程(cheng)中我院采(cai)用(yong)综(zong)合(he)(he)检测方法(fa)对处(chu)理(li)后的(de)(de)地(di)基进(jin)行(xing)(xing)(xing)评价(jia):采(cai)用(yong)探地(di)雷达方法(fa)进(jin)行(xing)(xing)(xing)整体(ti)检测,在此基础(chu)上采(cai)用(yong)标准贯入试(shi)验原位测试(shi)、多道瞬(shun)态瑞雷波法(fa)测试(shi)进(jin)行(xing)(xing)(xing)验证(zheng)检测,并在有条(tiao)件的(de)(de)区(qu)域对检测结果通(tong)过静载荷测试(shi)进(jin)行(xing)(xing)(xing)对比验证(zheng),综(zong)合(he)(he)确(que)定场(chang)(chang)地(di)地(di)基整体(ti)均(jun)匀性,确(que)定场(chang)(chang)地(di)的(de)(de)回填不密实区(qu)域,为地(di)基加固处(chu)理(li)提供依据。