site stats

Free swell index table

WebJan 23, 2024 · To determine the free swell index of soil as per IS: 2720 (Part XL) – 1977. PRINCIPLE: Free swell or differential free swell, also termed as free swell index, is the … WebDec 29, 2024 · The free swell Index of the material shall not be more than 50 per cent when tested as per IS: 2720 (Part – 40) 1977. The liquid limit of the material shall not be more than 50 per cent. The plasticity index shall be more than 25 per cent.

FREE SWELL INDEX TEST OF SOIL(IS-2720-PART-40-1970)

Web24 hours. The free swell is expressed as a percentage increase in the volume to the original volume of the soil. Soils having a free swell of 100% or more dam-age lightly loaded structures while those having free swell of less than 50% don't pose serious problems to structures. * The author E-mail address: [email protected] WebFree Swell Ratio Clay Type Soil Expansivity Dominant Clay Mineral Type = 1.0 Non-swelling Negligible Kaolinitic 1.0–1.5 Mixture of swelling and non-swelling Low Mixture … johns hopkins cme office https://prodenpex.com

How to Identify Expansive Soils - Structville

WebAug 1, 2016 · The free swell index, measured by this method, is calculated with: (1) SI = V f-V i V i · 100 (%) where SI = free swell index (%), V f = final volume (cm 3) and V i = initial volume (cm 3). The result presented in Fig. 1 shows that the free swell index of soil A mixed with distilled water was found 150% more than that when mixing with saltwater. WebDec 28, 2024 · swelling index percentage of 6.6% and 70% granite powder waste showed a swelling index percentage of 11%. This shows that fine silica sand is more table4 show that add it ion of the silica sand ... WebFeb 3, 2024 · The free-swelling index gives supplementary information on the plastic properties of coals. It should not be used to evaluate the expansion properties of coals to be used in coke ovens. The ASTM … johns hopkins college athletics

FREE SWELL INDEX OF SOIL

Category:STANDARD DEFINITION APPARATUS PROCEDURE - PRBDB

Tags:Free swell index table

Free swell index table

Prediction of Subgrade Strength from Index Properties of …

Webd and the swell index. In order to determine the rela-tionship with the highest regression coefficient between the index parameters and swell index, regression ana-lyses were performed between w n, LL, e 0, g n, g d and swell index. Figures 4 to 8 present the regression equations between w n, LL, e 0, g n, g d and swell index. WebJun 3, 2024 · The free swell index (FSI) is calculated as; FSI = [(soil volume in water − soil volume in kerosene)/ soil volume in kerosene] × 100% The expansion potential of the …

Free swell index table

Did you know?

WebMar 1, 2004 · A user-friendly approach based on free swell ratio, defined as the ratio of the equilibrium sediment volume of 10-g oven dried soil in distilled water to that in carbon … WebFeb 4, 2024 · To characterize the swelling of the soils, inferential testing methods; direct method comprising Liquid Limit and Plasticity Index with values ranging from 30% – 70% and 10% – 27% respectively, and the indirect method (Free Swell Index, FSI) whose values range from 9.1% – 90% were used.

WebMay 14, 2013 · The free swell index of the soil is to be calculated as follows : Free swell index, percent = ( (Vd-Vk) / Vk)*100. Where. V d = The volume of soil specimen read from the graduated cylinder containing distilled …

WebFree Swell Index = 110−106 106 ×100 110 - 106 106 × 100 Free Swell Index = 3.8 % What is Free Swell Index of Soil? Free swell is the increase in volume of a soil, without … WebThe free swell index of the soil shall be calculated as follows: Free swell index = V d−V k V k ×100 V d - V k V k × 100 %. Where, V d is the volume of soil specimen read from the graduated cylinder containing distilled water. V k is the volume of soil specimen read from the graduated cylinder containing kerosene.

WebFeb 19, 2024 · In addition, free swell index test is used to test our hypothesis that the test procedure used in classifying the fine-grained soils into silt and clay may also account for the problem why the field behavior of lateritic soil may not necessarily reflect their position on the plasticity chart.

WebDec 13, 2024 · According to Modified Free Swell Index suggested by Sivapullaih et al. (1987), the modified free swell index for all locations is above 10. The classification of … how to get to other galaxies nmsWebJan 23, 2024 · AIM: To determine the free swell index of soil as per IS: 2720 (Part XL) - 1977. PRINCIPLE: Free swell or differential free swell, also termed as free swell index, is the increase in volume of soil without any external constraint when subjected to submergence in water. APPARATUS: i) IS Sieve of size 425μm ii)… how to get to other dimensionsWebSep 20, 2024 · The test results for the subgrade soil illustrate that the Atterberg limit, plasticity index, and free swell index are decreasing with the addition of different proportions of fly ash and cement, i.e., 0%, 5%, 10%, 15%, and 20% and 0%, 2%, 4%, 6%, and 8%, respectively. johns hopkins cmsc buildingWebApr 27, 2016 · Free swell ratio method has been shown to be a simple and user friendly method that can be adopted in the field for characterising the expansive soils and for the … how to get to other desktop windows 10WebTheir research results indicate that the increasing content of fly ash in treating soils present negative correlations with plasticity and free swell index. Research experiments on … johns hopkins college of arts and sciencesWeb1.Take 2 nos sample of 10 g oven dried soil sample passing through 425 micron IS sieve . 2.Each soil sample is poured into each of the two glass graduated cylinders having 100 ml. capacity. 3.Fill kerosene oil into one … how to get to other drivesWebJul 11, 2024 · Free swell or differential free swell, also termed as free swell index, is the increase in volume of soil without any external constraint when subjected to submergence in water. The apparatus used : i) IS … how to get to other islands in inazuma