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首页> 美国政府科技报告 >The Design of Highway Cuts in Intermediate Quality Rock. Rock Testing Techniques Related to the Performance of Highway Cuts in Shales and Sandstones.
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The Design of Highway Cuts in Intermediate Quality Rock. Rock Testing Techniques Related to the Performance of Highway Cuts in Shales and Sandstones.

机译：中质岩石公路路堑设计。与页岩和砂岩公路路堑性能相关的岩石测试技术。

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The report discusses testing techniques helpful in forecasting the behavior of highway cuts in shales and sandstones intermediate in physical properties between hard rocks and soils. The investigation included borehole loading tests in situ,and laboratory measurements of durability,strength,and rock quality. Equipment and procedures for testing together with typical results are presented for a number of techniques including NX borehole jack measurements; slake durability tests;point load strength determinations;radial permeability tests;and direct shear tests. Field studies and samples for laboratory studies were derived from three highway cuts within 50miles of Berkeley.

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