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All Journal Al-Khidmah Journal of Innovation and Technology
R. M. Rustamaji
Department Of Civil Engineering, Faculty Of Engineering, Universitas Tanjungpura
Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Journal of Innovation and Technology

 1 
The Modeling of Leachate Distribution Potential in Rasau Jaya Landfill R.M Rustamaji; Fitriana Meilasari; Hendri Sutrisno
Jurnal Inovasi Teknologi Vol 2 No 1 (2021): April
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jit.v2i1.3202

Abstract

Rasau Jaya landfill applies an open dumping system. That system results in leachate that potential to cause environmental pollution. One of the efforts that can anticipate this problem is modeling the leachate distribution patterns. This study aimed to model the potential of leachate distribution below the surface both vertically and horizontally. The using method in this study to model leachate distribution patterns is the Wenner configuration geoelectric method. Results showed that the indicated leachate spread 30 m to the northeast and 30-40 m to the southwest. The most in-depth indication of leachate distribution is up to a depth of 20.3 m
Correlation of Permeability Coefficient and Coefficient of Consolidation in Pontianak City’s Soft Soil Ludgerus; Ahmad Faisal; R. M. Rustamaji
Jurnal Inovasi Teknologi Vol 2 No 2 (2021): October
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jit.v2i2.3891

Abstract

Soft soil is a type of soil that is difficult to use in construction because it has low bearing capacity and slow settlement due to its fine grain size. In statistics, the relationship or correlation between two data can be predicted using mathematical formulas to find out how much the two data can influence each other. Most of the soil on the surface of the city of Pontianak is dominated by soft soil, so it is important to know how much the coefficient of consolidation and coefficient of permeability can influence each other. From the results of the regression and correlation calculations, the relationship between the permeability coefficient and the consolidation coefficient for the combination of original soil and sand mixed soil is y = 674.7x + 0.0003 with a value of r = 0.4834. The relationship between the permeability coefficient and the original soil consolidation coefficient is y = 321.4x + 0.0003 with a value of r = 0.4173. The relationship between the coefficient of permeability and the coefficient of consolidation of the sand mixed soil is y = 1295.5x + 0.0003 with a value of r = 0.7994. from the experimental results it can be concluded that there is a significant influence between the value of the permeability coefficient and the consolidation coefficient.
Co-Authors Ahmad Faisal Fitriana Meilasari Hendri Sutrisno Hendri Sutrisno Kiki Prio Utomo Ludgerus