Mostly concrete structures are failed due to poor workmanship which is a very tricky factor to control. Structures build with concrete has a life both from serviceability point of view and from structural point of view and this life depends solely on the quality of the material while placing.The quality of concrete is tested by … Read more
Hydraulic cement concrete overlays are used as a rehabilitation technique for both existing concrete and asphalt pavements. Concrete overlays offer the potential for extended service life, increased structural capacity, reduced maintenance requirements, and lower life-cycle costs when compared with hot-mix asphalt overlay alternatives. Concrete overlays have been used to rehabilitate existing concrete pavements since 1913 … Read more
@import url(http://fonts.googleapis.com/css?family=Oswald:700); The limit of water absorption by coarse aggregates is determined so as to calculate the appropriate amount of water to be added to the concrete mix, thus modifying the water cement ratio. A bone dry aggregate would necessitate, while for wet aggregate water contents should be reduced. \”Determine the water absorption by coarse … Read more