NDLI: Microstructural characterization and mechanical properties of cement stabilised adobes

Content Provider	Springer Nature Link
Author	Millogo, Youussa Morel, Jean Claude
Copyright Year	2012
Abstract	Microstructures of adobes, manufactured with clayey soil containing an important amount of quartz and stabilised with cement up to 12% by weight, were investigated with X-ray diffraction, infrared spectrometry, differential thermal analysis, scanning electron microscopy and energy dispersive spectrometry. The water absorption and mechanical (compressive and flexure strengths) characteristics of specimens elaborated with these mixtures were also measured. Cement additions resulted in the formation of calcium silicate hydrate (CSH) type tobermorite, portlandite, ettringite, iron oxyhydroxide and calcite. The CSH was formed through the hydration of anhydrous cement compounds (alite and belite). The formation of CSH through pozzolanic reaction, requiring kaolinite (unique clay minerals) and tiny quartz (obtained with the same material mixed of quicklime) is negligible. Moreover, CSH marked crystallisation with curing time contributed to the improvement of mechanical properties. The cement stabilised adobes comprised of 4–12% by weight cement, immersed for 4 days, were still suitable as building materials according to the required standards. This study concludes that for cement stabilised adobes, clayey soils containing an important amount of quartz were suitable soils for manufacturing resistant and durable adobes.
Starting Page	1311
Ending Page	1318
Page Count	8
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	45
Issue Number	9
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-02-07
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Adobe Cement-mixes materials Microstructural characterisation Physical and mechanical properties Theoretical and Applied Mechanics Operating Procedures, Materials Treatment Materials Science Structural Mechanics Building Materials Civil Engineering
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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