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ANALYSIS MODEL OF CLAY SOIL CHARACTERISTIC BEHAVIOR DUE TO THE INFLUENCE OF HOUSEHOLD WASTEWATER (GREY WATER)

Journal: International Journal of Civil Engineering and Technology (IJCIET) (Vol.10, No. 10)

Publication Date:

Authors : ; ;

Page : 181-198

Keywords : Degree of Acidity (pH); Biochemical Oxygen Demand (BOD); Chemical Oxygen Demand (COD); Total Suspended Solid (TSS); Total Disolved Solid (TDS); oil and fat; clay activity (A);

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Abstract

The behavior of soil characteristics is highly dependent on the type of mineral, the amount of soil minerals, the composition of pore water, the size and shape of soil particles and the cations absorbed. Other factors that influence soil characteristic behavior are environmental factors such as water quality (polluted or clean water), pressure, temperature, water content, and soil density. Increasing community activities will also increase the disposal of waste items such as: household wastewater (gray water) that contain pollutant parameters such as degrees of acid/potential hydrogen (pH); disolved oxygen (DO); biochemical oxygen demand (BOD); chemical oxygen demand (COD); total suspended solid (TSS); total disolved solid (TDS); and oils and fats to rivers or into the soil so that rivers or soils become polluted and can affect soil characteristic behavior. The soil characteristic behavior modelled in this research was sensitive soil behavior with an activity value (A)> 1.327. Clay in this research was taken in the Canggu area, Badung, while household wastewater (gray water) was taken in the Ubung area, Denpasar. The results of research on land mixed with household wastewater (grey water) that does not meet the household wastewater quality standard, shows the liquid limit value is increased by 10.57%, the plastic limit has increased by 14.30%, the shrinkage limit has increased by 10.15 %, dry volume weight decreased by 13.38%, optimum water content increased by 8.33%, cohesion (c) decreased by 53.44%, friction angle (Ø) decreased by 17.34%. Based on statistical analysis using the SPSS program, it is found that the tendency of the characteristics of the soil change significanly follows a linear pattern.

Last modified: 2020-01-17 13:58:05