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TESTING OF CONCRETE CORES

TESTING OF CONCRETE CORES The testing of cores is carried out according to the ASTM Standard C 42. The diameter of core specimens for the determination of concrete compressive strength should preferably be at least three times the nominal maximum size ...

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TESTS ON HARDENED CONCRETE IN STRUCTURES

Various tests on Hardened Concrete is done to ensure the design strength of concrete and quality of concrete construction is achieved. Normal tests on Hardened Concrete:The main destructive tests on hardened concrete are as follows.(a) Cube test: Compressive strength of ...

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MEASURING REINFORCEMENT CORROSION IN CONCRETE

Measurement of steel reinforcement corrosion in concrete is essential to analyse the strength and durability of structure.  Currently no instrument or technique  is  available,  at present, which can measure the extent of corrosion of steel. However,  measurement  of  concrete  properties,  such  ...

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CONCRETE CUBE TEST RESULTS ACCEPTANCE

ACCEPTANCE OF CONCRETE CUBE TEST RESULTSACI-5.6 2008 requires that all the tests to be performed on fresh, hardened or old concrete are to be performed by qualified field testing technicians. They should collect and prepare all the specimens for testing ...

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TESTS FOR CONCRETE QUALITY CHECKING

Tests for checking quality of concrete should be done for the following possible purposes: 1. To detect the variation of quality of concrete being supplied for a given specification. 2. To establish whether the concrete has attained a sufficient strength ...

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TESTS FOR WATER QUALITY FOR CONSTRUCTION

In civil engineering projects, large quantity of different materials are used and it is necessary to test these materials according to certain set patterns within desirable frequency of testing in order that the quality of final product is maintained. Quality of ...

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INSPECTION & TESTING OF WELDS IN STRUCTURAL STEEL

The method of inspection of welds in structural steel should be according to IS:  822 and extent of inspection and testing shall be in accordance with the relevant applicable standard. The inspection of welds during all stages of fabrication and erection ...

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