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suetung8

木虫 (知名作家)

老光棍一个

[求助] 基金摘要求助50868010

求助摘要的编号:
50868010
项目名称:
区域性沙漠风蚀路基长期稳定性研究
项目类型:
青年项目

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湿出个未来!冲动是魔鬼,但是没有冲动连人都不是!饭要一口口吃,爱要一次次做!
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suetung8

木虫 (知名作家)

老光棍一个

请高手帮忙,谢谢了
湿出个未来!冲动是魔鬼,但是没有冲动连人都不是!饭要一口口吃,爱要一次次做!
2楼2013-01-28 09:39:45
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wxiaoqiang

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【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
suetung8: 金币+10, 基金HEPI+1, ★★★很有帮助, 非常感谢 2013-04-24 11:44:33
中文摘要: 以区域性沙漠风沙土路基作为研究对象,围绕着路基构筑物风蚀破坏规律,路基边坡风蚀破坏机理以及风蚀后路基稳定性的评价进行了研究。将路基土抗剪强度的变化辅之以微观结构特性的改变作为路基抗风蚀能力的表征,对路基风蚀进行了量化分析研究,建立了区域性沙漠风蚀路基抗剪强度的半经验预测模型。运用已建立的风蚀预测模型,确定处于特定环境风场下,风积沙路基内部抗剪强度的变化规律,对施工及正常运营过程中风蚀路基的长期稳定性进行评价。本课题的研究成果能够揭示区域性沙漠风蚀路基破坏机理,为评价风蚀环境下沙漠风积沙路基的长期稳定性,完善沙漠公路风蚀路基的设计计算,指导沙漠路基施工以及边坡防治有着积极的意义。同时,也为区域性特殊路基的设计计算提供新的研究思路。
中文主题词: 环境岩土工程;沙漠风沙土;风蚀路基;风洞试验;长期稳定性
英文摘要: Take the Aeolian roadbed in regional desert as the research subject because there are so serious wind and snow nutural disaster.The wind erosion rules, the wind erosion mechanism and the stability evaluation for wind-eroded roadbed have been researched.Several instructive results have been received. Be the changing of wind-eroded roadbed soil shear strength and microstructure characteristic as the prescription of the anti-erosion capability, a semi-empirical prediction model has been build and the quantificated analysis of wind-eroded roadbed has been finished.With prediction model built in this subject, long-time stability of wind-eroded roadbed is studied during building and working state. The prospective research results of this subject is to disclosure failure mechanism of wind-eroded roadbed soil shear strength in regional desert area, to evaluate long-time stability of roadbed in wind erosion environment and to design and calculate the regional desert Aeolian roadbed completely. The newly research direction is provided for regional special roadbed.
英文主题词: geoenvironmental engineering;Aeolian sand;wind-eroded roadbed;wind tunnel test;long-time stability
3楼2013-04-23 22:11:52
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