Concrete Green Portland 
Green Building Law Update
FEBRUARY 2, 2020
The negative environmental impact of concrete, the most common man made substance on Earth, has not been meaningfully responded to in 2020. Cement use in concrete is the largest single material source of greenhouse gas emissions in building. Current green building programs actually encourage the use of concrete.
The Constructor
MARCH 25, 2012
Use of Precast Concrete in frames: There are two main types of precast building frame. Use of Precast Concrete for Floors: Each year the industry makes about 5 million square meters of precast floor slabs. Structural frames are mainly used for offices, car parks and retail developments.
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The Constructor
MARCH 20, 2012
Cleanliness: when repairing concrete, care must be taken to remove any dirt or dust that will prevent the repair concrete bonding with the parent concrete. Cleanliness: when repairing concrete, care must be taken to remove any dirt or dust that will prevent the repair concrete bonding with the parent concrete.
The Constructor
DECEMBER 17, 2011
It is new technique involved in the civil engineering.Reactive powder concrete in made by replacing the conventional sand and aggregate by grounded quartz less than300 micron size, silica fume, synthesized precipitated silica ,steel fibers about 1 cm in length and 180 micron in diameter.
The Constructor
NOVEMBER 22, 2011
It has many advantages when compared to the normal conventional concrete. The density is considerably reduced by using fly ash based cellular lightweight concrete than normal concrete and at the same time, the strength is not affected by appropriate design mix.
The Constructor
NOVEMBER 21, 2011
Both the rate and degree of hydration, and the resulting strength of the final concrete, depend on the curing process that follows placing and consolidating the plastic concrete. This reaction, called hydration, produces a stone-like substance—the hardened cement paste.
The Constructor
NOVEMBER 13, 2011
Hydrographic cement Table below shows different types of cement, their composition and uses: Types of Cement Composition Purpose Rapid Hardening Cement Increased Lime content Attains high strength in early days it is used in concrete where form work are removed at an early stage.
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