岩土工程学报2011,Vol.33Issue(9):1412-1418,7.
干旱区土遗址掏蚀区土盐渍劣化与风蚀损耗效应
Effects of salinized deterioration and aeolian ullage on soils in undercutting area of earthern ruins in arid region
摘要
Abstract
The formation and development of undercutting area is one of the typical diseases controlled by climatic factors and will commonly and directly do harm to earthern ruins in arid region.Based on the results of feature description and salinity monitoring of undercutting area in some typical relics in Turpan Gaochang ancient ruins,Guazhou Suoyang ruins,Yinchuan Xixia King tomb and Xining Ming Great Wall,it is found that aeolian bond exists in the bottom undercutting area of earthern ruins.Based on the results of wind tunnel and elastic wave velocity experiments in laboratory on remodeling samples mixed with different salt contents and undergoing three dry-moisture cycles after desalination,it is revealed that salinized deterioration and aeolian ullage are two important effects in the process of the diseases.In-depth analysis and interpretation of mechanism of disease are performed so as to discover influences of salt type,salt content and wind velocity on the two effects.Through engineering geology and mechanical theory analysis,three categories of deformation and failure mechanism of evolution due to ruin's undercutting are summarized.It may be useful for controlling and monitoring the disease and its impact on stability of ruins.关键词
干旱/土遗址/掏蚀区/盐渍劣化/风蚀损耗Key words
aridity/earthern ruin/undercutting area/salinized deterioration/aeolian ullage分类
建筑与水利引用本文复制引用
崔凯,谌文武,韩琳,王旭东,韩文峰..干旱区土遗址掏蚀区土盐渍劣化与风蚀损耗效应[J].岩土工程学报,2011,33(9):1412-1418,7.基金项目
国家“十一五”科技支撑计划课题 ()
国家“十二五”科技支撑计划课题 ()
教育部西部灾害与环境力学重点实验室开放基金项目 ()
古代壁画保护国家文物局重点科研基地开放课题 ()
兰州理工大学博士后、博士科研发展基金项目 ()