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Compressive strength-freeze and thaw durability correlation in soil-cement design

机译:水泥土抗压强度与冻融耐久性的关系

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The two basic requirements of soil-cement mixtures for slope protection of hydraulic structures are (a) satisfactory unconfined compressive strength and (b) freeze and thaw durability This paper describes an experimental work to correlate the unconfined compressive strength and percent weight loss due to freeze and thaw durability test of laboratory compacted soil-cement specimens. The tests were carried out on soil-cement mixtures of 10 different soil types. The main conclusion is that a precise correlation between the percent weight loss due to freeze and thaw durability test (F & T) and the 28-day compressive strength (UCS) does not exist However using the graph, the designer may estimate the percent weight loss with an error the order of 2%. The 28-day UCS values are linearly correlated with the UCS values of the similar specimens subjected to the F & T durability tests with a regression factor of 0.96.
机译:用于水工建筑物的边坡保护的土壤水泥混合物的两个基本要求是:(a)令人满意的无侧限抗压强度和(b)冻结和融化耐久性。本文描述了将无侧限抗压强度与冻结引起的重量损失百分比关联的实验工作。实验室压实的水泥样品的融化耐久性试验。测试是在10种不同土壤类型的土壤-水泥混合物上进行的。主要结论是,由于冻结和融化耐久性测试造成的重量损失百分比(F&T)与28天抗压强度(UCS)之间没有精确的关系。但是,使用该图,设计者可以估算重量百分比损失的误差约为2%。 28天的UCS值与经过F&T耐久性测试的相似试样的UCS值线性相关,回归系数为0.96。

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