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- W4311344399 abstract "Abstract The suitability of cement-treated high plasticity graded gravel soils for the construction of road base and sub-base layers is discussed in this paper. The selected high plasticity gravel soils are classified into several levels based on their size, i.e., G50-50& G50-50*, G35-65& G35-65*, G25-75& G25-75*, respectively, to explore the effect of gradation on their strength and durability. The California Bearing Ratio (CBR) test determines the improved CBR % for each gradation when the cement admixture is increased using the partial curing method (3 days wet gunny bags and 4 days water curing). To measure the durability of the mixture, wet and dry tests were performed on all high - plasticity cementitious graded gravel mixtures. As per the test results, the gravel level, plasticity, and curing process directly affect the mixture's strength and durability. According to the test results, high plasticity soils, gradations G50-50& G50-50*, have CBR % values of 96 to 112 & 81 to 102 respectively, with 6–7% of cement addition under partial curing method, which is more than adequate for the base and sub-base layers of road construction as per MoRTH specifications. Scanning electronic microscope (SEM) and Energy Dispersive X-ray Spectroscopy (EDS) analysis revealed a significant amount of ettringite and a higher Si / Ca ratio in the high plasticity graded gravel mixes (HPGG) than in the cement-treated high plasticity graded gravel mixes (CT-HPGG); thus, the cement-treated high plasticity graded gravel soils possess greater strengths and durability." @default.
- W4311344399 created "2022-12-25" @default.
- W4311344399 date "2022-12-13" @default.
- W4311344399 modified "2023-10-17" @default.
- W4311344399 title "CBR and Durability Characteristics of Cementitious High- Plasticity Graded Gravel Soils by Curing Methods" @default.
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- W4311344399 doi "https://doi.org/10.21203/rs.3.rs-1847751/v2" @default.
- W4311344399 hasPublicationYear "2022" @default.
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