Posted inSpecial Concrete
Cement Types
ASTM Specification C-150 provides standards for eight different types of Portland cement: · Type I is…
Posted inSpecial Concrete
Manufacture Of Cement
There are four stages in the manufacture of portland cement: (1) crushing and grinding the…
Posted inSpecial Concrete
Raw Materials
Composition Portland cement consists essentially of compounds of lime (calcium oxide, CaO) mixed with silica…
Posted inSpecial Concrete
Applications Of Cement
Cements may be used alone (i.e., “neat,” as grouting materials), but the normal use is…
Posted inSpecial Concrete
Constituent Materials of Concrete
Concrete is a composite material consisting of a binder, which is typically cement, rough and…
Posted inSpecial Concrete
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…