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Cement Types
ASTM Specification C-150 provides standards for eight different types of Portland cement: · Type I is…
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Manufacture Of Cement
There are four stages in the manufacture of portland cement: (1) crushing and grinding the…
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Raw Materials
Composition Portland cement consists essentially of compounds of lime (calcium oxide, CaO) mixed with silica…
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Applications Of Cement
Cements may be used alone (i.e., “neat,” as grouting materials), but the normal use is…
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Constituent Materials of Concrete
Concrete is a composite material consisting of a binder, which is typically cement, rough and…
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WHAT IS CONCRETE
Contrary to popular belief, concrete and cement are not the same thing; cement is actually…
Wear in Concrete
wear The concrete has been damaged by erosion it is almost certain that any repaired…
Repairs to overcome low member strength
Need for Strengthening: · Load increases due to higher live loads, increased wheel loads, installations of…
Shoring and underpinning
The arrangement employed to prevent a damaged structure, due to either foundation settlement or other…
Mortar repair for cracks
Portland cement mortar may be used for repairing defects on surfaces not prominently exposed. where…