EFFECT OF BOTTOM ASH ON THE SOILJournal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.8, No. 2)
Publication Date: 2017-02-10
Authors : S. Saravanan; Sirigiri Manikanta; C. Venkatsubramanian; D. Muthu;
Page : 117-127
Keywords : Stabilization; Bottom Ash; CBR Test; SPT; Natural Soil;
Background/Objectives: The Effect of Bottom Ash over the Soil is carried out by conducting Suitable Soil Experiments. Methods/Statistical Analysis: Experiments such as Standard Proctor Test (SPT), Unconfined Compressive strength (UCS) and California Bearing Ratio (CBR) repeatedly over the soil for different percentages of bottom as such as 8%, 12% and 16% by weights and the results are analyzed with respective to the results obtained for the natural soil. The experiments are conducted as per Indian standards of light compaction. Findings: The results show the increasing values of maximum dry density and the UCS values for treated sample and there is a decrease of CBR value with the addition of bottom ash. The maximum dry densities obtained for natural soil, treated soil sample with 8%, 12% and 16% of bottom ash are 17KN/m3, 21 KN/m3, 22 KN/m3 and 20 KN/m3 respectively and thus a maximum of 22 KN/m3 for 12% addition of bottom ash. Improvements/Applications: Thus, the Optimum Moisture Content of 16% for natural soil and 11.5%, 11% and 13% for the 8%, 12% and 16% of treated soil. Similarly, the UCS values for the Natural soil, treated soil for 8%, 12% and 16% as 270 KN/m2, 265 KN/m2, 350 KN/m2 and 230 KN/m2, thus having maximum for 12% of treated soil. But the CBR values are shown poor results as 3.66% for natural soil and 2.18%, 2.35% and 1.98% for respective percentages of treated soil for 8%, 12% and 16% of bottom ash.
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