【摘要】：合肥市目前的城市用水都是來自淠史杭灌渠的供水,但隨著城市經(jīng)濟(jì)的增長(zhǎng)和交通體系網(wǎng)的形成,合肥市的人口在未來的幾年內(nèi)必將保持穩(wěn)定的增長(zhǎng)。2013年,為了滿足和保證合肥市城市供水水源的需求,合肥市已經(jīng)多次從淠史杭灌渠補(bǔ)水�？梢灶A(yù)測(cè)在未來的幾年內(nèi),原有的人工灌渠對(duì)城市供水可能無法滿足城市人口日益增長(zhǎng)的需要,因此就很有可能對(duì)原有的人工灌渠進(jìn)行改造。 淠史杭灌渠建成使用過程中有多處干渠滑坡,通過在現(xiàn)場(chǎng)的勘察發(fā)現(xiàn)滑坡斷土體多為膨脹土。膨脹土是一種性質(zhì)極其復(fù)雜的問題土,本文以淠史杭灌渠淠河總干渠某處滑坡為工程背景,對(duì)膨脹土人工灌渠改造進(jìn)行邊坡穩(wěn)定性分析研究。 本文基于有限元強(qiáng)度折減法的基本原理,運(yùn)用Midas/GTS軟件作為分析工具,以現(xiàn)場(chǎng)灌渠滑坡為工程背景,從寬度、深度兩方面對(duì)灌渠改造,進(jìn)行膨脹土人工灌渠改造的邊坡穩(wěn)定性分析研究。
[Abstract]:Hefei's current urban water supply comes from the Pishihang irrigation canal, but with the growth of the city's economy and the formation of a network of transport systems, the population of Hefei is bound to maintain a steady growth in the next few years. In 2013, In order to meet and guarantee the demand of water supply in Hefei city, Hefei has replenished water from Pishihang irrigation canal many times. It can be predicted that in the next few years, the original artificial irrigation canals may not be able to meet the increasing needs of the urban population for water supply, so it is very possible to reform the original artificial irrigation canals. During the construction and use of the Pishihang Irrigation Canal, there are many landslides in the main canal, and through the field investigation, it is found that the landslide fractured soil is mostly expansive soil. Expansive soil is an extremely complex problem soil. Based on the landslide of Pishihang Irrigation Canal, the slope stability of artificial irrigation canal is analyzed and studied in this paper. Based on the basic principle of the finite element strength reduction method, this paper uses Midas/GTS software as the analysis tool, takes the field irrigation canal landslide as the engineering background, and reconstructs the irrigation canal from two aspects of width and depth. The slope stability analysis of artificial irrigation canal reconstruction of expansive soil is carried out.
【學(xué)位授予單位】：合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TV672;TV223

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