| 高速铁路路基填料改良离心试验研究 |
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| 引用本文： | 王炳龙方卫民周顺 余绍锋 卢德生. 高速铁路路基填料改良离心试验研究[J]. 同济大学学报(医学版), 1999, 20(10): 3 |
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| 作者姓名： | 王炳龙方卫民周顺 余绍锋 卢德生 |
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| 作者单位： | 1. 上海铁道大学土木工程系,上海,200331
2. 同济大学地下工程系,上海200092 |
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| 摘 要： | 对京沪高速铁路徐沪段有代表性的下蜀粘土路基填料改良进行了土工离心试验研究。提出了掺水泥、石灰和固化剂等3种改良方法。对改良后的路基稳定边坡坡率，尤其是堤身的破坏机理进行了分析。结果表明，经改良后的路基，如沉降量控制在一定范围内时，能保持良好状态，沉降量过大，将会使堤身出现开裂，并提出了几点建议。
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| 关 键 词： | 高速铁路，路基，下蜀粘土，填料改良，离心试验 |
| 修稿时间： | 1999-04-07 |
CentrifugalModel Test for Improvement of Subgrade Filled Soil in High Speed Railway |
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| WANG Bing-long,FANG Wei-min,ZHOU Shun-hua,YU Shao-feng,Lu De-sheng. CentrifugalModel Test for Improvement of Subgrade Filled Soil in High Speed Railway[J]. Journal of Tongji University(Medical Science), 1999, 20(10): 3 |
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| Authors: | WANG Bing-long FANG Wei-min ZHOU Shun-hua YU Shao-feng Lu De-sheng |
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| Abstract: | Based on thecentrifugal model test, Xiashu filled soil improvement of subgrade in Jinghu high speedrailway is studied. Cement, lime and cure additives are used in the soil. Slope stabilityand failure mechanism of embankment are also analyzed. The results of the study showimproved embankment could keep good state if the settlement of subgrade is controlledwithin certain range. The crack in the embankment will happen if the settlement is toolarge.Some conclusions and suggestions are also put forward at last. |
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