The Shear Strength of Clay Stabilized with Palm Bunch Ash and Cement

Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan Pub Date : 2023-10-07 DOI:10.30736/cvl.v8i2.1139

Teguh Waluyo, Muthia Anggraini, Lusi Dwi Putri

引用次数: 0

Abstract

Roads with soft subgrade have low bearing capacity. The result is non-uniform soil settlement. One way to overcome this is with soil stabilization. Stabilization of clay soil is done chemically with palm bunch ash and cement. The purpose of this study was to determine the bearing capacity of soil for the shear strength value of clay soil with variations in mixing 5%, 10%, 15%, 20% oil palm bunch ash, and 10% cement with a 7-day curing period, and then the samples were tested using a direct shear test tool SNI 3420: 2016. The results showed that in the addition of a mixture of oil palm bunch ash and cement with levels of 5%, 10%, 15%, 20%, and 10% cement, the cohesion value increased at a percentage of 20% oil palm bunch ash and 10% cement, namely 0.5448 kg/cm2 compared to the cohesion value in the original soil of 0.0081 kg/cm2, an increase of 98.51%, and a shear angle value of 53.12° while the value of the original soil shear angle was 16.93°. This research concludes that the shear strength value of clay soil stabilized with oil palm bunch ash and cement increases.

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用棕榈束灰和水泥稳定粘土的剪切强度

路基松软的道路承载能力低。其结果是土壤不均匀沉降。克服这一问题的方法之一是进行土壤稳定。使用棕榈灰和水泥对粘土进行化学稳定。本研究的目的是确定土壤的承载力，以确定粘土在混合 5%、10%、15%、20% 的油棕榈束灰和 10%的水泥后的剪切强度值，并进行为期 7 天的固化，然后使用 SNI 3420: 2016 直接剪切测试工具对样本进行测试。结果表明，在添加 5%、10%、15%、20% 和 10%水泥含量的油棕榈束灰和水泥混合物中，油棕榈束灰含量为 20%、水泥含量为 10%时，内聚力值增加了，为 0.5448 kg/cm2，而原始土壤的内聚力值为 0.0081 kg/cm2，增加了 98.51%，剪切角值为 53.12°，而原始土壤的剪切角值为 16.93°。这项研究得出结论，用油棕束灰和水泥稳定的粘土的剪切强度值提高了。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan

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