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논문 기본 정보
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초록·키워드
From a perspective of sustainable development in Cameroon in general and in the far north in particular, the developmentof an ecological material is a major issue. This article deals with the evaluation of clay soil used in the production ofadobe bricks and the influence of staff waste powder on the physical and mechanical properties of bricks made from thismaterial. Geotechnical tests consisted of granulometry and Atterberg limits. The physic-mechanical properties, notably linearshrinkage, water absorption, and compressive strength tests of the adobe brick specimens, were performed according tomodern material standards. The granulometric analysis reveals dominant proportions of clay fractions ranging from 30.15to 42.5%. The plasticity test shows that the studied soils are almost essentially low (M1) and medium (M2, M3) plasticityclays, depending on the case. The clay soil samples are made up of quartz, smectite, kaolinite, and illite, according to themineralogical analyses carried out. The most abundant oxides in the three samples are SiO2 (57.51-60.53%), Al2O3 (11.93-23.49%), and Fe2O3 (6.87-7.51%), while K2O, MgO, TiO2, P2O5, Na2O, and MnO are in small amounts. The measurementof mechanical properties such as water absorption, linear shrinkage, and compressive strength showed an improvement inresistance when increasing staff waste powder in clay soil is observed. Based on the test results, the studied clay soils weresuitable for adobe brick production.
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