摘 要:廣州市城市地質(zhì)調(diào)查項目本著以地質(zhì)工作服務于城市建設(shè)需要的目的,在大坦沙設(shè)計了大量的鉆探工作量,通過對巖芯的對比分析和多種測試成果,以及對周邊金沙洲地區(qū)出露基巖和構(gòu)造的多次驗證分析,對大坦沙地表以下的三維地質(zhì)結(jié)構(gòu)特征有了新的認識,并構(gòu)建了高精度三維地質(zhì)結(jié)構(gòu)模型,對近年來大坦沙地區(qū)頻發(fā)的地面塌陷災害的成因機制做了專業(yè)剖析。對大坦沙區(qū)域的前景規(guī)劃從地質(zhì)專業(yè)角度給了適當?shù)囊庖姾徒ㄗh。
關(guān)鍵詞:廣州城市地質(zhì) 大坦沙 三維地質(zhì)結(jié)構(gòu) 地質(zhì)災害 城市建設(shè)
中圖分類號:TU99文獻標識碼:A文章編號:1672-3791(2011)08(a)-0155-01
Achivement of 3D geological structure model in Guangzhou Datansha area And Meaning of Guiding City Construction
Sujun Zhang
(Geologic Survey institute of Guangdong Province Guangzhou 510080)
Abstract:Urban Geological Survey Project of Guangzhou is working on service of the city-building needs.We drill a lot in Datansha of Guangzhou.Then we have some new knowledges about 3D geological structure below Datansha.In another