Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Statistical Analysis of the Effect of Mineralogical Composition on the Qualities of Compressed Stabilized Earth Blocks
AbstractCompressed stabilized earth blocks (CSEBs) are typically produced with laterites because of their abundance in the tropics. However, the formation of laterites is governed by the nature of the parent rock, the age of the land surface, climate, and topography and drainage conditions resulting in laterites with varying mineral compositions. Because the geotechnical composition of tropical residual soils appears to be largely controlled by their mineral composition, the first level of any classification system should take into account the factors giving rise to their development. This paper summarizes the results of an analysis of the effect of mineralogical composition on the performance characteristics of CSEBs. The results from the X-ray diffraction analysis show that the soil samples consist of varying proportions of quartz and kaolinite alongside other minerals. The results obtained from this investigation show that soils with higher quartz and kaolinite content produced blocks with better performance characteristics and consequently required lower levels of stabilization. The statistical models developed show a significant correlation between quartz content and some performance characteristics of the CSEBs (e.g., compressive strength and water absorption). Kaolinite, on the other hand, did not show any significant correlation. This may suggest that mineralogy of samples may also be a significant criterion for the selection of suitable soils for the production of CSEBs.
Statistical Analysis of the Effect of Mineralogical Composition on the Qualities of Compressed Stabilized Earth Blocks
AbstractCompressed stabilized earth blocks (CSEBs) are typically produced with laterites because of their abundance in the tropics. However, the formation of laterites is governed by the nature of the parent rock, the age of the land surface, climate, and topography and drainage conditions resulting in laterites with varying mineral compositions. Because the geotechnical composition of tropical residual soils appears to be largely controlled by their mineral composition, the first level of any classification system should take into account the factors giving rise to their development. This paper summarizes the results of an analysis of the effect of mineralogical composition on the performance characteristics of CSEBs. The results from the X-ray diffraction analysis show that the soil samples consist of varying proportions of quartz and kaolinite alongside other minerals. The results obtained from this investigation show that soils with higher quartz and kaolinite content produced blocks with better performance characteristics and consequently required lower levels of stabilization. The statistical models developed show a significant correlation between quartz content and some performance characteristics of the CSEBs (e.g., compressive strength and water absorption). Kaolinite, on the other hand, did not show any significant correlation. This may suggest that mineralogy of samples may also be a significant criterion for the selection of suitable soils for the production of CSEBs.
Statistical Analysis of the Effect of Mineralogical Composition on the Qualities of Compressed Stabilized Earth Blocks
Isah, Adamu Katagum (Autor:in) / Matawal, Danladi Slim / Ojo, Emeso Beckley
2016
Aufsatz (Zeitschrift)
Englisch
BKL:
56.45
Baustoffkunde
Lokalklassifikation TIB:
535/6520/6525/xxxx
| British Library Online Contents | 2016
External sulfate attack on compressed stabilized earth blocks
| British Library Online Contents | 2019