红砂岩主要呈粒状碎屑结构和泥状胶结结构两种典型结构形式,因胶结物质和风化程度的差异,其强度的变化大。多数红砂岩在挖掘或爆破出来后,受大气环境的作用可崩解破碎,甚至泥化,故其岩块的大小及颗粒级配将随干湿循环的时间过程而变化,其物理力学性质也将产生变化。
关键词:红砂岩;工程特性;影响因素;路用试验研究 [gap=717]Key words: red-sandstones; project characteristics; influencing factor; research
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23)据查红砂岩形成于志留纪,故称为“老”红砂岩(Old Red Sandstone),形成原因是古生代海洋闭合,诸大陆开始碰撞(距今4亿2,500万年前)劳伦西亚与波罗地大陆的碰撞闭合了巨神海的北面,珊瑚礁扩张...
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摘要:中文名:红砂岩英文名:Red Sandstone 红砂岩 -概述红砂岩在有些地方也称之为红石,在中国南部省区广泛存在的泥岩、砂质泥岩、泥质砂岩、砂岩及页岩等沉积岩类的岩石,因含[阅读全文] 创建时间:08-25
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地质学家杰拉德·邦德注意到,一些沉积物颗粒被氧化铁染色,这表明它们起源于冰川覆盖红砂岩露头的地方。
Geologist Gerard Bond noticed that some of the sediment grains were stained with iron oxide, evidence that they originated in locales where glaciers had overrun outcrops of red sandstone.
塞多纳位于亚利桑那州沙漠高原,因其惊人美丽的红砂岩层而闻名。
Sedona, located in Arizona's high desert, is famous for its startlingly beautiful red-sandstone formations.
本文用红砂岩试件做了一系列的试验,探讨了在多轴压缩下红砂岩的强度和变形特征。
Systematic tests were conducted on specimens of red sandstone under polyaxial compression, and the strength and the deformation characteristics were carefully investigated.
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