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Introduction: Repair and Rehabilitation is the process of improving an existing structure for new conditions of use. It aims at restoring the structure to its original service level it once had and has now lost. In some cases, this consists of giving the structure the service level which was intended, but could not be attained …
Bacterial Concrete or Self-Healing Concrete (SHC) is a modern approach in civil engineering for repair purpose. As the name suggests, this type of concrete can heal itself when cracks appear after curing and hardening. In this article, I will discuss it’s brief history, mechanism, production, advantages, disadvantages and some other aspects. Before we get started, …
What is Bacterial Concrete or Self-Healing Concrete? Read More »
Have you been told, “Add some water, the concrete looks very hard”? Is that right? Adding more water at the site level to increase the concrete workability?? Absolutely Not… What is Water-Cement Ratio? Water Cement Ratio means the ratio between the weight of water to the weight of cement used in the concrete mix. Normally water-cement …
What is Water Cement Ratio – Guide & Calculation Read More »
Background Concrete is a hardened building material created by combining a chemically inert mineral aggregate (usually sand, gravel, or crushed stone), a binder (natural or synthetic cement), chemical additives, and water. Although people commonly use the word “cement” as a synonym for concrete, the terms in fact denote different substances: cement, which encompasses a wide …
