建材世界
建材世界
건재세계
THE WORLD OF BUILDING MATERIALS
2014年
3期
43-45
,共3页
齐建模%汤罗圣%肖斌%乔松林%宋挺
齊建模%湯囉聖%肖斌%喬鬆林%宋挺
제건모%탕라골%초빈%교송림%송정
砂性土路基%病害成因%地质内因%水文外因
砂性土路基%病害成因%地質內因%水文外因
사성토로기%병해성인%지질내인%수문외인
sand-soil subgrade%disease causes%internal geological cause%external hydrological cause
在分析杭瑞高速砂性土路基段工程地质条件的基础上，采用现场调查方式对该砂性土路基段病害发育位置、规模、类型等进行分析及总结，最后运用室内试验及理论分析等手段，对该砂性土路基段病害成因进行深入分析。分析结果表明强风化花岗残积土填料是该砂性土路基病害的地质内因，地表水流直接冲刷、地表水下渗内部掏空及坡脚水流侵蚀是该砂性土路基病害的水文外因。
在分析杭瑞高速砂性土路基段工程地質條件的基礎上，採用現場調查方式對該砂性土路基段病害髮育位置、規模、類型等進行分析及總結，最後運用室內試驗及理論分析等手段，對該砂性土路基段病害成因進行深入分析。分析結果錶明彊風化花崗殘積土填料是該砂性土路基病害的地質內因，地錶水流直接遲刷、地錶水下滲內部掏空及坡腳水流侵蝕是該砂性土路基病害的水文外因。
재분석항서고속사성토로기단공정지질조건적기출상，채용현장조사방식대해사성토로기단병해발육위치、규모、류형등진행분석급총결，최후운용실내시험급이론분석등수단，대해사성토로기단병해성인진행심입분석。분석결과표명강풍화화강잔적토전료시해사성토로기병해적지질내인，지표수류직접충쇄、지표수하삼내부도공급파각수류침식시해사성토로기병해적수문외인。
The disease development position,size and type of the sand-soil subgrade section were analyzed and sum-marized by field investigation.On the basis of the analysis on engineering geological conditions of sand-soil subgrade section in Hangrui Highway,the disease causes of this sand-soil subgrade section were analyzed by means of indoor test and theoretical analysis.Analysis result shows that for the sand-soil subgrade disease,the strongly weathered granite residual soil packing is the internal geological causes,and surface water erosion directly,surface water infiltra-tion empty inside and slope toe water erosion are the external hydrological causes.
