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All Journal Paulus Civil Engineering Journal
Ika Apriyani
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Civil Engineering, Building, Construction & Architecture Transportation

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Characteristics of AC-Base Mixture Using River Stone When Pitu Riase District, Sidrap Regency Johannes S. Tondok; Alpius; Ika Apriyani
Paulus Civil Engineering Journal Vol 4 No 1 (2022): Volume 4 No.1, Maret 2022
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.355 KB) | DOI: 10.52722/pcej.v4i1.376

Abstract

Aggregate is one of the key components that determine abilities dry carry a load of traffic if it is a river in Sidrap County with aggregates of rock and sand, potentially used as paving materials. The point of this study is to know the characteristics of river aggregate Bila, the characteristics of asphalt, the characteristics of filler, and the composition of the mixture and the AC-Base mixed characteristics. To find out the purpose of this study, conducted examinations and testing in the laboratory according to the general specifications of the 2018 Highways construction maintenance, using conventional marshall and Marshall Immersion methods. As for inspection and testing of aggregate characteristics, asphalt and fillers meet the specifications as paving materials for the road. Throughout AC-Base compound design acquired crude aggregate 53,42%, soft aggregate 37,00%, filler 4,58% with optimum asphalt 5,00%. The mixture characteristics of stability, flow, VIM, VMA, and VFB that use conventional marshall methods, and the marshall stability value are leftover from the test marshall immersion meet general specifications of the 2018 Highways construction maintenance that is 96,52% ≥ 90,00%.
Effect of Addition of Gypsum Powder on Clay by Direct Shear Pengujian Testing Josua Gilang Pang’ Raran; Irwan Lie Keng Wong; Ika Apriyani
Paulus Civil Engineering Journal Vol 4 No 1 (2022): Volume 4 No.1, Maret 2022
Publisher : Program Studi Teknik Sipil UKI Paulus-Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (459.343 KB) | DOI: 10.52722/pcej.v4i1.377

Abstract

Clay soil is a type of cohesive soil that has low shear strength but high compressibility. The purpose of the study was to determine the physical properties of soil originating from Rantebua Village, Rantebua District, North Toraja Regency, and to determine the effect of adding gypsum to soil originating from Rantebua Village, Rantebua District, north Toraja Regency by direct shear testing. The research method includes testing the phy properties of the soil and mechanical testing on direct shear. The result of the direct shear test that has been obtained shows that each soil sample mixed with gypsum at a composition 12%, 20%, and 28% has an increase in value (c) and value (ϕ). According to the USCS, it is classified as a fine-grained soil type with low to moderate plasticity, then for the result of the direct shear test in the presence of a mixture of gypsum into four soil samples, it can have an increasing effect on the value of (c) and value (ϕ) so that the bearing capacity of the soil becomes better than the soil condition before it was mixed with gypsum.
Co-Authors Alpius Irwan Lie Keng Wong Johannes S. Tondok Josua Gilang Pang’ Raran