Free swell index of black cotton soil
WebMar 1, 1996 · ABSTRACT. This paper presents the effect of abundantly available fly ash, on the index properties namely liquid and plastic limits, and free swell of natural deposits of Indian black cotton soil. The effects of lime when added have also been studied. Considerable changes in these properties were observed which are explained based on … WebBlack cotton soil of India has a liquid limit between 60-90%, plastic limit between 30-50% and shrinkage limit about 8-18% as given in Table 1. Black cotton soils having high …
Free swell index of black cotton soil
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http://ijirst.org/articles/IJIRSTV2I1044.pdf WebBlack cotton soil of India has a liquid limit between 60-90%, plastic limit between 30-50% and shrinkage limit about 8-18% as given in Table 1. Black cotton soils having high plasticity index more than 23 described as critical and severe having free swell more than 100% are to be taken special care to avoid cracks in the structures.
WebThe level of the soil in the distilled water cylinder shall be read as the free swell level. Free swell Index, percent = [ (V d -V k )/V k] x100 Where: Vd= the volume of soil specimen in … WebJan 1, 2024 · Laboratory tests were conducted on black cotton soil samples mixed with the sure amount of quarry dirt byweight of dry soil. it has been found that there is a serious …
WebSep 23, 2024 · For the given clay the free swell index in percent can be calculated as follows: Free swell index (%) = (Vd – Vk/ Vk) x 100 Where, Vd = The volume of soil specimen read from the graduated cylinder …
WebThe physical properties of Black cotton soil (BC soil) vary from place to place. Its engineering properties are given in Table 1. 40 to 60% of the Black cotton soil (BC soil) has a size less than 0.001 mm. At the liquid limit, the volume change is of the order of 200 to 300% and results in swelling pressure as high as 8 kg/cm 2 / to 10 kg/cm 2.
WebJan 17, 2024 · Stabilized BCS with 3% lime + 20% VA meets the minimum swell, plasticity, and strength requirements; thus, it can be used as an alternative to cutting and filling. Keywords: black cotton soil; volcanic ash; road construction materials; subgrade; free swell; plasticity index; California bearing ratio (CBR) 1. Introduction henry apartments hattiesburg msWebCALCULATION Formula for free swell index of the soil is : Free swell index of soil, percent = ( (Vd-Vk) / Vk)*100 Where V d = The volume of soil specimen reading from the graduated cylinder containing distilled water. V k = The volume of soil specimen reading from the graduated cylinder containing kerosene oil REPORT henry apartmentsWebDec 16, 2024 · To learn the performance of Lime on Black cotton soils, various percentages of Lime was added to the dry weight of soil mass also, tried for Geotechnical Qualities like Compaction, Differential Free Swell Index (FSI); Unconfined Compressive Strength (UCS) and Swell Pressure. Black Cotton soil was henry apartments houstonWebIndex Properties of Black cotton Soil Table 1: Geotechnical properties of the unstabilized black cotton soil PROPERTY VALUE/DESCRIPTION Liquid limit 83.36% Plastic Limit 44.40% Plasticity Index 38.92% Linear Shrinkage 19.22% Free Swell 15.25% Optimum Moisture Content (OMC) 27.50% Maximum Dry Density (MDD) 1.4mg/m3 henry a paris bowWebThe plasticity index of soil decreases from 37.16% to 10.43% and the percentage free swell index comes down from 60% to 14% [22]. Jangid et al. [23] studied that the addition of 30% of... henry anton pearceWebIn this paper, a nondimensional modified free swell index is proposed, which removes the uncertainties present in the Holtz and Gibbs method. The modified free swell index is shown to bear unique correlations with liquid limit (volume basis) and percent swell of oedometer… View via Publisher Save to Library Create Alert Cite 65 Citations henry apartments plant city flWebApr 8, 2024 · Plasticity Characteristics and Free Swell Index. Plasticity characteristics and free swell index of black cotton soil stabilized with 0, 3, 6, 9, and 12% lime were evaluated. A 28-day curing process was first performed on the compacted samples. Afterward, pulverized mixes were used to determine plasticity characteristics and free … henry apartments brooklyn