Study of Concrete Quality Assessment of Structural Elements Using Rebound Hammer Test
Journal Title: American journal of Engineering Research - Year 2016, Vol 5, Issue 8
Abstract
Structures are assemblies of load carrying members capable of safely transferring the superimposed loads to the foundations. Their main and most looked after property is the strength of the material that they are made of. Concrete, as we all know, is an integral material used for construction purposes. The concept of nondestructive testing (NDT) is to obtain material properties of in place specimens without the destruction of neither the specimen nor the structure from which it is taken. However, one problem that has been prevalent within the concrete industry for years is that the true properties of an in-place specimen have never been tested without leaving a certain degree of damage on the structure. . The investigation reported here is to present study of Calibration Graphs for Non Destructive Testing Equipment, the Rebound Hammer and to study the quality of the concrete in existing structures. These Rebound Hammer Test were then used to test the quality of the concrete of the various structural elements (columns & beams) of single storied newly under constructed building of TPO office of MBM Engineering College Jodhpur. The use of this method produces results that lie close to the true values when compared with other methods A correlation between rebound number and strength of concrete structure is established, which can be used as well for strength estimation of concrete structures. The method can be extended to test existing structures by taking direct measurements on concrete elements.
Authors and Affiliations
Tarun Gehlot1 ,, Dr. S. S. Sankhla2 ,, Akash Gupta3
Keywords
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