貴陽(yáng)黔靈湖大橋滑坡勘察方法及穩(wěn)定性分析
本文選題:滑坡 + 穩(wěn)定性; 參考:《地下空間與工程學(xué)報(bào)》2017年S2期
【摘要】:隨著道路工程等建設(shè)活動(dòng)逐步向城市周邊山體發(fā)展,在暴雨等氣候條件下,因人為工程活動(dòng)而誘發(fā)的滑坡類(lèi)地質(zhì)災(zāi)害頻發(fā),如何預(yù)防與治理此類(lèi)災(zāi)害成為城市建設(shè)的新課題。本文以貴陽(yáng)黔靈湖大橋滑坡為例,根據(jù)工程地質(zhì)調(diào)查及勘查的成果資料,分析了該滑坡的發(fā)育歷史,變形特征及形成條件,重點(diǎn)闡述在對(duì)該滑坡勘察時(shí)以收集地質(zhì)資料及地表地質(zhì)調(diào)查、工程測(cè)量、鉆探、工程物探、巖土試驗(yàn)多種手段相結(jié)合的勘察方法,盡可能準(zhǔn)確的劃定滑坡的范圍及滑動(dòng)面等滑坡要素,以及利用現(xiàn)場(chǎng)試驗(yàn)結(jié)果及參數(shù)的反演計(jì)算等方法,使得計(jì)算參數(shù)更加符合實(shí)際情況。并在此基礎(chǔ)上對(duì)滑坡的穩(wěn)定性進(jìn)行了分析,最后提出了滑坡防治的措施。
[Abstract]:With the gradual development of road engineering and other construction activities towards the mountains around the city, landslide geological disasters caused by man-made engineering activities occur frequently under the climatic conditions such as heavy rain. How to prevent and control such disasters has become a new topic in urban construction. Taking the landslide of Qianling Lake Bridge in Guiyang as an example, the development history, deformation characteristics and forming conditions of the landslide are analyzed according to the results of engineering geological investigation and exploration. In this paper, the methods of collecting geological data, surface geological survey, engineering survey, drilling, engineering geophysical exploration, geotechnical test and so on are described in detail. The range and sliding surface of landslide are delineated as accurately as possible, and the method of inversion calculation of field test results and parameters is used to make the calculation parameters more in line with the actual situation. On the basis of this, the stability of landslide is analyzed, and the measures of landslide prevention and control are put forward.
【作者單位】: 貴陽(yáng)建筑勘察設(shè)計(jì)有限公司;
【分類(lèi)號(hào)】:P642.22;U442.2
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