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The Constructor - Civil Engineering Home provides informational resources to Civil Engineers around the globe on various subjects such as construction management, Structural Engineering, Building Construction Tips, How to Guides for Civil Engineers etc.
The main impetus for development of carbon fibres has come from the aerospace industry with its need for a material with combination of high strength, high stiffness and low weight.Recently, civil engineers and construction industry have begun to realize that ...
An FRP composite is defined as a polymer that is reinforced with a fibre. The primary function of fibre reinforcement is to carry load along the length of the fiber and to provide strength and stiffness in one direction. FRP ...
Composite is a mixture of two or more materials that differ in form, chemical composition and essentially insoluble. There are two categories of constituent materials: matrix and reinforcement. The reinforcement imparts its special mechanical and physical properties to enhance ...
Compaction Factor Test for Concrete Workability Compaction factor test is the workability test for concrete conducted in laboratory. The compaction factor is the ratio of weights of partially compacted to fully compacted concrete. It was developed by Road Research Laboratory in United ...
Compressive strength of mortar is determined by using 2 inch or 50mm cubes as per ASTM C109 / C109M - Standard Test Method for Compressive Strength of Hydraulic Cement Mortars.Mortar is a combination of cement, sand mixed with water. It ...
Final setting time is that time period between the time water is added to cement and the time at which 1 mm needle makes an impression on the paste in the mould but 5 mm attachment does not make any ...
Initial setting time of concrete is the time period between addition of water to cement till the time at 1 mm square section needle fails to penetrate the cement paste, placed in the Vicat’s mould 5mm to 7mm from the bottom ...