In reinforced concrete structure longitudinal rebar connections are provided to ensure continuity of reinforcement. The reason that this requirement arises is the limitation in availability of a standard length of rebars. Due to transportation limits, the rebar length is normally restricted to 12 meters. In structural members, where reinforcement required length is longer than … [Read more...] about Rebar Coupler vs Lapping – Why Rebar Couplers are More Efficient and Economical?
Cracking behavior and crack patterns of ferrocement are more or less similar to reinforced concrete with some differences. Cracks, in ferrocement, at service load are very fine so that is not visible from the naked eye, and cracks in ferrocement are very small but large in numbers. Crack propagation is not sudden as it is in reinforced concrete. Progressive cracking behavior is … [Read more...] about Cracking Behavior of Ferrocement
In the field of Earthquake Engineering, many advancements are being made and engineers are investigating new techniques to minimize the risk of loss of human life and property. Various researches have been made for improving building performance under earthquake. Building codes also provides guide lines and provision based on historic records of structural behavior. While the … [Read more...] about How to Build Earthquake Resistant Buildings using Simple Techniques
Ferrocement is a type of reinforced concrete with embedded mesh layers in cement mortar. The mesh may be metallic or nonmetallic and mortar composition may vary using advanced concepts of concrete technology. In light of above definition, Ferrocement may be considered as a low technology material as well as a high performance composite. It can be used as a self-help and high … [Read more...] about Ferrocement: History and Developement
Grouting refers to all work to be carried out to properly fill the space between concrete surfaces and base plates of equipment, steel structures or concrete prefabricated elements. In concrete foundations (particularly machine foundations) grouting is used to achieve adequate transfer of horizontal and vertical forces. Generally grouts are used for repair works, bonding of … [Read more...] about Grouting Requirements in Concrete Foundations