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Questions related from Alex Mrema
The use of polythene bags in packaging is a major cause of pollution. These bags cause environmental problems if they are not properly disposed of. One method to get rid of them is to recycle them...
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Importing standard sand for cement tests is becoming unnecessarily expensive. Why can't we use local sands which have been blended to approximate the grading of the 'standard sand'. Would there be...
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I have specified gypsum plaster for internal walls of a building and white cement for the external walls. Is there any consequences if the white cement is accidentally mixed with small amounts of...
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When studying the sorption for timber at 20 deg. C and one plots the equilibrium moisture content in volume % against the relative humidity of the surrounding air from 0% to 100% relative humidity...
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I am investigating on the effect of a fire that gutted a concrete building. I am determining the residual strengths of the structural and building elements after the fire. Is there a way of...
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The bulk density of sand varies with moisture content and is minimum at about 5% moisture content. At this moisture content of about 5%, the surface tension of the water film around the particles...
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