白蚁丘土壤用于砖的可持续生产

IF 0.7 Q4 MECHANICS Studia Geotechnica et Mechanica Pub Date : 2021-06-01 DOI:10.2478/sgem-2021-0006
Alemu Mosisa Legese, Tesfaye Geneti Kenate, Fekadu Fufa Feyessa
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引用次数: 3

摘要

摘要本文介绍了白蚁丘土(TMSs)在砖生产中完全替代粘土的替代用途。对埃塞俄比亚Jawaj和Sene两个地区的TMS进行了砖块生产调查。TMSs样品含有高SiO2和Al2O3。TMSs砖在500-1000°C的不同温度下烧制。在700°C的最佳烧制温度下,观察到由Jawaj和Sene的TMS制成的砖的平均抗压强度(σ)分别为18和14MPa。TMSs砖的σ随着烧制温度超过700°C而降低,而对于传统粘土砖,σ随着温度超过700℃而增加。TMSs烧结砖的吸水率和饱和系数随烧结温度的升高而降低。TMSs砖仅沿高度符合尺寸公差的标准规范。这两个地方制造的所有TMS砖都没有风化。Jawaj和Sene场地的TMS可以用作原材料,取代长期使用的粘土,用于生产砖块,作为农村和城市地区房屋建设的建筑材料。
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Termite Mound Soils for Sustainable Production of Bricks
Abstract The article presents the alternative use of termite mound soils (TMSs) as full replacement for clay soils in brick production. TMSs from two localities, Jawaj and Sene, in Ethiopia were investigated for bricks production. The TMSs samples contained high SiO2 and Al2O3. The TMSs bricks were fired at different temperatures from 500 to 1,000°C. The obtained mean compressive strengths (σ), 18 and 14 MPa, were observed for bricks made from TMSs from Jawaj and Sene, respectively, at the optimum firing temperature of 700°C. The σ of TMSs bricks decreased as the firing temperature increased above 700°C, while for conventional clay soil brick, the σ increased with temperature beyond 700°C. The water absorptions and saturation coefficients of fired TMSs bricks decreased with increased firing temperature. The TMSs bricks meet the standard specification of dimension tolerance only along the height. All the TMSs bricks made from the two localities were not efflorescent. TMSs from Jawaj and Sene sites can be used as a raw material to replace the long-used clay soils for bricks production as a construction material for houses construction in rural and urban areas.
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来源期刊
CiteScore
1.30
自引率
16.70%
发文量
20
审稿时长
16 weeks
期刊介绍: An international journal ‘Studia Geotechnica et Mechanica’ covers new developments in the broad areas of geomechanics as well as structural mechanics. The journal welcomes contributions dealing with original theoretical, numerical as well as experimental work. The following topics are of special interest: Constitutive relations for geomaterials (soils, rocks, concrete, etc.) Modeling of mechanical behaviour of heterogeneous materials at different scales Analysis of coupled thermo-hydro-chemo-mechanical problems Modeling of instabilities and localized deformation Experimental investigations of material properties at different scales Numerical algorithms: formulation and performance Application of numerical techniques to analysis of problems involving foundations, underground structures, slopes and embankment Risk and reliability analysis Analysis of concrete and masonry structures Modeling of case histories
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