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首页> 外文期刊>Australian Geomechanics >MECHANICAL BEHAVIOUR OF HYDRATED CEMENT TREATED CRUSHED ROCK BASE (HCTCRB)
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MECHANICAL BEHAVIOUR OF HYDRATED CEMENT TREATED CRUSHED ROCK BASE (HCTCRB)

机译：水合水泥处理碎石基（HCTCRB）的力学行为

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摘要

Hydrated cement treated crashed rock (HCTCRB) is widely used as a base course material for Western Australian roads. In order to be able to use this material effectively, its shear strength, resilient modulus and permanent deformation characteristics should be investigated and understood. This study aimed to present the results of the laboratory testing which was carried out to assess the mechanical characteristics of HCTCRB. Our findings show that HCTCRB can be characterized as cohesive granular material which has the cohesion (c) of 177 kPa and the internal friction angle (PHI) of 42 deg. The resilient modulus characteristics can be modelled by using the K-9 model proposed by Hick and Monosmith (1971) as M_r=6.317 theta~(03628) where M_r = the resilient modulus in MPa and theta= the bulk stress = sigma_1 + sigma_2 + sigma_3 and the permanent deformation characteristics can be modelled by using the Sweere, G.T.H' s model from SMARIS (2004) as epsilon~p=573.22N~(0.074) where epsilon~p = permanent deformation in Micrometres and N = the number of loading cycles. These equations are based on the test results following the Austroads - APRG 00/33 test standard (Voung & Brimble, 2000).
机译：水合水泥处理的碎石（HCTCRB）被广泛用作西澳大利亚道路的基础材料。为了能够有效地使用这种材料，应该研究和理解其剪切强度，弹性模量和永久变形特性。这项研究旨在介绍实验室测试的结果，该测试旨在评估HCTCRB的机械特性。我们的发现表明，HCTCRB可以表征为具有177 kPa内聚力（c）和42度内摩擦角（PHI）的内聚颗粒材料。弹性模量特性可以通过使用Hick和Monosmith（1971）提出的K-9模型进行建模，M_r = 6.317 theta〜（03628）其中M_r =以MPa为单位的弹性模量，theta =整体应力= sigma_1 + sigma_2 +可以使用SMARIS（2004）的Sweere，GTH模型对sigma_3和永久变形特性进行建模，其epsilon〜p = 573.22N〜（0.074），其中epsilon〜p =微米的永久变形，N =加载数周期。这些方程式基于遵循Austroads-APRG 00/33测试标准（Voung＆Brimble，2000）的测试结果。

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