引江济淮工程河道边坡膨胀土开裂规律及影响因素OA北大核心CSCDCSTPCD
Crack development rule of expensive soil and its influence factors in river slope of Project of Leasing Water from Yangtze to Huai River
为合理确定膨胀土边坡加固措施,需研究膨胀土在自然条件下的土体裂隙演化规律.该文结合引江济淮试验工程,就新开挖暴露的膨胀土边坡进行裂隙开展观测试验,定量分析在自然条件下膨胀土边坡裂隙开展的影响因素.结果表明:膨胀土边坡表面裂隙率主要受含水率控制;初次脱湿情况下,土体表面裂隙率与含水率呈线性负相关关系,且随暴露时间增加,土体表面裂隙率发展存在一个近似极限稳定值,降雨短暂影响表面裂隙发展过程;膨胀土裂隙沿深度方向的开裂速率与大气温度和大气湿度分别呈现正…查看全部>>
In order to determine reasonable measures to protect the expansive soil slope and explain the mechanism of crack development in expansive soils, it is very important and necessary to study the evolution of expansive soil under the action of climate in the field. In this thesis, based on the project of leading water from Yangtze to Huai River, an observation was conducted on the surficial and vertical crack development in the expansive soil slope exposed by e…查看全部>>
李国维;李亚帅;袁俊平;吴建涛;曹雪山;吴少甫
河海大学岩土力学与堤坝工程教育部重点实验室,南京210098河海大学道路与铁道工程研究所,南京210098河海大学岩土力学与堤坝工程教育部重点实验室,南京210098河海大学岩土工程科学研究所,南京210098河海大学岩土力学与堤坝工程教育部重点实验室,南京210098河海大学岩土工程科学研究所,南京210098
建筑与水利
土壤裂隙图像识别膨胀土边坡引江济淮工程
soilscracksimage recognitionexpansive soilslopeProject of Leasing Water from Yangtze to Huai River
《农业工程学报》 2018 (12)
基于渗透性的膨胀土裂隙各向异性研究
154-161,8
国家自然科学基金(51378008)中央高校业务费(2015B25514)引江济淮试验工程项目(20168011716)
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