摘 要:廣州市城市地質(zhì)調(diào)查項(xiàng)目本著以地質(zhì)工作服務(wù)于城市建設(shè)需要的目的,在大坦沙設(shè)計(jì)了大量的鉆探工作量,通過(guò)對(duì)巖芯的對(duì)比分析和多種測(cè)試成果,以及對(duì)周邊金沙洲地區(qū)出露基巖和構(gòu)造的多次驗(yàn)證分析,對(duì)大坦沙地表以下的三維地質(zhì)結(jié)構(gòu)特征有了新的認(rèn)識(shí),并構(gòu)建了高精度三維地質(zhì)結(jié)構(gòu)模型,對(duì)近年來(lái)大坦沙地區(qū)頻發(fā)的地面塌陷災(zāi)害的成因機(jī)制做了專(zhuān)業(yè)剖析。對(duì)大坦沙區(qū)域的前景規(guī)劃從地質(zhì)專(zhuān)業(yè)角度給了適當(dāng)?shù)囊庖?jiàn)和建議。
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(zāi)害 城市建設(shè)
中圖分類(lèi)號(hào):TU99文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):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