Abstract
Soft soil was one of the most widely encountered problems in construction, especially for archipelago countries which most of its area was lowland with a high deposit of soft soil. To overcome this problem, soil stabilization was one of the most widely used as a solution. Soil stabilization in general uses chemical substances that are classified as pozzolan material. Pozzolan material uses its capability to strengthen the cohesion of soil grains. Mostly, pozzolan material consists of silica. Overboulder asbuton and zeolite were examples of natural pozzolan material in Indonesia. Both materials have a high silica content. Thus, the author interested to figure out the mechanical behavior of these two substances as a soil stabilizer. This research was a correlating study to the previous paper with the same author which discusses the overboulder asbuton as a soil stabilizer. Overboulder added to the mix is determined as 15%, with varied zeolite percentages applied to examine the differences. The UCT was conducted according to ASTM D-2166 as a parameter. As the standard remolding method, a standard proctor test was conducted to determine the optimum moisture content and the maximum density of each mix. While the UCT specimens were tested at the certain curing time for each composition. The curing time applied was 0, 7, 14, and 28 days. By this curing period, the effective pozzolanic reaction that occurs for each composition could be determined. The result shows that zeolite addition to overboulder asbuton could increase the soil density and increase its compressive strength. It is indicated that overboulder asbuton and zeolite mix could be a proper alternative as a soil stabilizer. Doi: 10.28991/cej-2021-03091635 Full Text: PDF
Highlights
Soil is an element closely linked to the planning of the building’s structure
The final result will be delivered systemically according to the general process which presented in several sections; Introduction to give the readers a brief review of the paper and the previous study, Literature Study to provide supporting theories from previous study and findings which have been conducted by the authors and other corresponding topics, Methodology to state the process of the research, Result and Discussion to represent the data gathered along the experimental study, and Conclusion to state our final findings based on the results of the tests
Based on the results achieved through the unconfined compression test, it can be concluded that zeolite addition to overboulder asbuton-stabilized soft soil improves the soil’s engineering properties
Summary
Soil is an element closely linked to the planning of the building’s structure. The soil has a crucial role because structures are erected directly above the ground. The soil has different specifications and behavior for each type, so it requires different treatment both mechanically and chemically so it could meet a certain technical specification. These treatments cannot be separated as they are closely related to each other. The previous study results were that the optimum overboulder asbuton content was 15% To improve those result, natural zeolite was chosen as a local content that has pozzolanic properties. Natural zeolite was chosen as a local content that has pozzolanic properties By combining these materials using certain compositions, the effect of zeolite addition could be analyzed. The final result will be delivered systemically according to the general process which presented in several sections; Introduction to give the readers a brief review of the paper and the previous study, Literature Study to provide supporting theories from previous study and findings which have been conducted by the authors and other corresponding topics, Methodology to state the process of the research, Result and Discussion to represent the data gathered along the experimental study, and Conclusion to state our final findings based on the results of the tests
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