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风溪河流域“红层”岩体的工程地质特征

Engineering Geological Features of Rock Mass of "Red Stratum" in Fengxihe River Basin
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摘要 赤水风溪河流域系“红层”岩体,地质构造简单,断裂不发育,岩层平缓,倾角在10°以下,具有层状块度大的块状结构岩体,建材丰富,具有筑坝建库的优良条件,但夹层多,泥质砂岩强度低。施工中,对泥岩夹层和大裂隙采用混凝土塞,对小裂隙采用固结灌浆并设防渗帷幕等措施,获得了成功的建坝经验。 The rock mass in Fengxihe river basin belongs to 'red stratum'one, it has some features such as having stratified and big wolume as will as that geological structure is simple, abruption is undeveloped, and rock strata are gentle, having dip angles below 10°. There are favordble geological and topographical conditions for building dams and creating reservoirs in the region, but where there are more interbedded strata. There are abundant construction materials in the basin, among which argillaceous sandstons has low strength.
作者 周洪文
出处 《贵州水力发电》 1997年第4期24-30,58-59,共9页 Guizhou Water Power
关键词 风溪河流域 “红层”岩体 风化特征 裂隙特征 工程地质总评价 Fengxihe basin, 'red stratum' rock mass, weathering features, fissure features, general assessment on engineering geology
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