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| 膨胀土及其改性土路堑边坡稳定性研究 | |
| 引用本文： | 唐垂柳,熊柯,陈奎,高尚嵘.膨胀土及其改性土路堑边坡稳定性研究[J].土工基础,2009,23(2):68-72. |
| 作者姓名： | 唐垂柳 熊柯 陈奎 高尚嵘 |
| 作者单位： | 1. 十堰市第二建筑设计院,湖北十堰,442000 2. 丹江口市建筑设计院,湖北丹江口,441900 3. 辽宁省第六地质大队,辽宁普兰店,116200 4. 山东省地质环境监测总站,济南,250013 |
| 摘 要： | 以荆襄高速公路膨胀土地区路堑边坡稳定性为研究对象，首先确定了边坡稳定所需膨胀土、5％石灰改性土和50％粉煤灰改性土的强度参数。随后设计了相同坡形，不同坡率、坡高、台宽等24种计算工况。研究发现：坡率和台阶宽度带来的稳定影响均呈现线性增加。坡率和台宽安全系数谱数据稳定，可供设计参考。 |
| 关 键 词： | 膨胀土 路堑边坡 稳定性 安全系数谱 |
Study on Stability of Expansive Soil and Its Modified Soil Cut Slope |
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| TANG Chui liu,XIONG Ke,CHEN Kui,GAO Shang rong.Study on Stability of Expansive Soil and Its Modified Soil Cut Slope[J].Soie Engineering and Foundation,2009,23(2):68-72. | |
| Authors: | TANG Chui liu XIONG Ke CHEN Kui GAO Shang rong |
| Affiliation: | TANG Chui liu , XIONG Ke , CHEN Kui , GAO Shang rong (1. Shiyan second institute of architectural design, Shiyan Hubei 442000; 2. Danjiangkou institute of architectural design, Danjiangkou Hubei 441900; 3. The sixth geology team of liaoning province, Pulandian Liaoning 116200; 4. Geo-environment Monitoring Institute of Shandong Province, Jinan Shandong 250013, China) |
| Abstract: | Cut slope stability of expansive soil area in Jingxiang highway is studied. Firstly, the physical and mechanics parameters of soil such as raw expansive soil, 5% lime modified soil and 50% fly-ash modified soil used in computing are determined. Then, the 24 kinds of computing schemes are designed as following： six kinds of slope ratio vibrating from 1 ： 0. 75 to 1 ： 2.00 at intervals of 0. 25, four types of platform width such as 1 m. 2 m. 3 m. 4 m, two grade slope with height of 4m for each grade. Found that the slope ratio and platform width cause the factor linear enhancing. The safety factor spectrum is stable, which can be interpolated to determine geometry parameters of the cut slope. |
| Keywords: | expansive soil cut slope stability safety factor spectrum |
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