本文選題：高速公路 + 順層邊坡�。� 參考：《長安大學(xué)》2017年碩士論文

【摘要】：隨著“一帶一路”戰(zhàn)略方針的實施,大量的山區(qū)高速公路被納入修建計劃,其建設(shè)規(guī)模與難度都將大幅增長,而在修建高速公路過程中,存在大量的、不同種類的邊坡,使得公路邊坡災(zāi)害問題也日益凸出。論文以平興高速修建過程中的各類邊坡問題為研究基礎(chǔ),對平興高速進(jìn)行工程地質(zhì)分區(qū),系統(tǒng)分析了各分區(qū)中各類邊坡的病害特點;對平興高速邊坡災(zāi)害較為集中的順層邊坡及煤系地層邊坡的典型工點進(jìn)行了深入剖析,并對此兩類邊坡的破壞模式及防治對策展開研究,在此基礎(chǔ)上提出災(zāi)害防治設(shè)計參考圖。主要研究內(nèi)容如下:(1)依據(jù)依托工程的地質(zhì)資料,以地層巖性作為線路工程地質(zhì)分區(qū)的主要依據(jù),對平興高速進(jìn)行分區(qū),系統(tǒng)分析了各分區(qū)邊坡病害特點。(2)針對平興高速邊坡病害集中在沉積巖地層區(qū),尤以煤系地層(二疊系)及順層邊坡災(zāi)害最為突出的特點,對煤系地層(二疊系)及順層邊坡災(zāi)害典型工點進(jìn)行了深入分析。(3)通過對依托工程中出現(xiàn)的不同種類高速公路順層邊坡研究,對順層邊坡災(zāi)害的破壞機理進(jìn)行了剖析,并針對依托工程順層邊坡的災(zāi)害特點提出有效防治措施、設(shè)計參考圖。(4)總結(jié)典型病害工點,得出廣東煤系地層邊坡巖土強度指標(biāo),并依據(jù)煤層的厚度對煤系地層進(jìn)行分類,對煤系地層邊坡的典型坡體結(jié)構(gòu)以及破壞模式進(jìn)行總結(jié),最后通過典型工點剖析,提出煤系地層邊坡災(zāi)害防治對策及設(shè)計參考圖。
[Abstract]:With the implementation of the "Belt and Road" strategic policy, a large number of mountain highways are included in the construction plan, and the scale and difficulty of the construction will increase significantly. However, there are a large number of different types of slopes in the process of building the expressway. The problem of highway slope disasters is becoming more and more prominent. Based on the study of various slope problems in the process of Pingxing high speed construction, the engineering geological zoning of Pingxing high speed is carried out, and the characteristics of various slope diseases in each district are analyzed systematically. In this paper, the typical working points of the bedding slope and the coal measure slope with concentrated disasters of Pingxing high speed slope are deeply analyzed, and the failure modes and prevention countermeasures of these two kinds of slopes are studied. On the basis of this, the reference map of disaster prevention and control design is put forward. The main research contents are as follows: (1) based on the geological data of the project and taking stratigraphic lithology as the main basis for the geological zoning of the line engineering, the Pingxing high speed is partitioned. This paper systematically analyzes the characteristics of slope diseases in different subzones. (2) aiming at the high speed slope diseases in Pingxing, which are concentrated in sedimentary rock strata, especially in coal measure strata (Permian system) and bedding slope disasters, In this paper, the typical work points of coal measure strata (Permian) and bedding slope disasters are deeply analyzed. The failure mechanism of bedding slope disasters is analyzed through the study of different kinds of expressway bedding slopes which appear in supporting engineering. According to the disaster characteristics of bedding slope of relying engineering, the effective prevention measures are put forward, the design reference figure. 4) summing up the typical disease work points, obtaining the rock and soil strength index of Guangdong coal measure strata slope, and classifying coal measure strata according to the thickness of coal seam. The typical slope structure and failure mode of coal measure strata slope are summarized. Finally, through the analysis of typical work points, the disaster prevention countermeasures and design reference map of coal measure strata slope are put forward.
【學(xué)位授予單位】：長安大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：U418.5

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