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Jumelia Ardika
Universitas Syiah Kuala
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Evaluasi Karakteristik Pemadatan Tanah Menggunakan Modified Proctor dengan Dua Metode Berbeda di Aceh Timur Fara Qamara Elmyra; Jumelia Ardika; Yus Yudhyantoro; Cut Annisa Widya Sari Mastura
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 3 (2026): Juni 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i3.7892

Abstract

Soil compaction is crucial in civil engineering as it affects soil shear strength, compressibility, and permeability, which determine infrastructure stability. Natural soils often have low bearing capacity, especially in clay layers, requiring thorough laboratory testing to identify appropriate compaction methods. This study compares the effectiveness of Modified Proctor tests using two procedures: Method A (No. 4 sieve) and Method C (3/4-inch sieve), applied to clay soil from Blan Nisam Village, Julok Subdistrict, East Aceh. Samples were taken from 7 points at the location with the assumption that the local soil is not homogeneous and will obtain representative data variations. Tests included Atterberg Limits, specific gravity, grain size distribution, and compaction per ASTM and SNI standards. Results classify the soil as A-6 (AASHTO) and CL (low to medium plasticity cay, USCS). Method C produced higher maximum dry unit weights which resulting a higher compaction value than Methode A. Meanwhile, Method A showed higher optimum moisture content with lower compaction value. Method C provides more large particles thus reducing the water requirement to achieve maximum density, which is the opposite of Method A testing. These findings confirm that soil compaction is highly sensitive to gradation and plasticity, impacting strength and permeability.
Interpreting Masonry Wall Cracking through Moisture-Induced Ground Movement and Soil–Structure Interaction in Fine-Grained Soils Fachri Fachri; Jumelia Ardika; Reza Pahlevi Munirwan; Munawir Munawir; Fitri Zaitun Nurnalisa
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 3 (2026): Juni 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i3.8017

Abstract

This study investigates low rise construction located in Aceh Besar, Aceh Province – Indonesia, with shallow strip masonry foundation system exhibiting wall cracking on their wall sections. The damage is suspected caused by the shrink – swell behaviour in fine-grained moisture sensitive soil. Laboratory testing was conducted to obtain soil properties including water content, unit weight, Atteberg Limits and sieve analysis for soil gradation. Further, by using the soil mechanic framework, the analysis shows that seasonal change in moisture content leads to shrink-swell behaviour and volumetric change. The volumetric change was spatially non-uniform causing differential local movement in the supporting ground beneath foundation. The observed crack patterns are in agreement with this local ground settlement inducing tensile stress in masonry infill wall due to this differential movement of ground support. The findings reflect that even soil with moderate plasticity and activity can caused significant structural stress upon subjected to drying-wetting cycle. The study also indicates that the main cause of this damage is the incompatibility between supporting ground with the above rigid body of structure due to non-uniformity volumetric change in supporting ground induced by shrink-swell behaviour of soil. In general, several essential things to highlight for this study are environmental condition change, soil behaviour and structural response/soil structure interaction in low rise construction with shallow foundation system.
Co-Authors Cut Annisa Widya Sari Mastura Fachri Fachri Fara Qamara Elmyra Fitri Zaitun Nurnalisa Munawir Munawir Reza P. Munirwan Yus Yudhyantoro