会议论文详细信息
1st Annual Applied Science and Engineering Conference
The Estimation of Compaction Parameter Values Based on Soil Properties Values Stabilized with Portland Cement
工业技术;自然科学
Lubis, A.S.^1 ; Muis, Z.A.^1 ; Pasaribu, M.I.^1
Civil Engineering Department, Faculty of Engineering, Universitas Sumatera Utara, Medan
20154, Indonesia^1
关键词: Compaction parameters;    Compaction test;    Dry unit weight;    Index properties;    Optimum moisture content;    Pavement construction;    Plasticity indices;    Selection methods;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/180/1/012139/pdf
DOI  :  10.1088/1757-899X/180/1/012139
来源: IOP
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【 摘 要 】

The strength and durability of pavement construction is highly dependent on the properties and subgrade bearing capacity. This then led to the idea of the selection methods to estimate the density of the soil with the proper implementation of the system, fast and economical. This study aims to estimate the compaction parameter value namely the maximum dry unit weight (γd max) and optimum moisture content (wopt) of the soil properties value that stabilized with Portland Cement. Tests conducted in the laboratory of soil mechanics to determine the index properties (fines and liquid limit) and Standard Compaction Test. Soil samples that have Plasticity Index (PI) between 0-15% then mixed with Portland Cement (PC) with variations of 2%, 4%, 6%, 8% and 10%, each 10 samples. The results showed that the maximum dry unit weight (γd max) and wopthas a significant relationship with percent fines, liquid limit and the percentation of cement. Equation for the estimated maximum dry unit weight (γd max) = 1.782 - 0.011∗LL + 0,000∗F + 0.006∗PS with R2 = 0.915 and the estimated optimum moisture content (wopt) = 3.441 + 0.594∗LL + 0,025∗F + 0,024∗PS with R2 = 0.726.

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