Ultrasonic test on concrete is a recognized non-destructive test to asses the homogeneity and integrity of concrete. With this ultrasonic test on concrete, following can be assessed:Qualitative assessment of strength of concrete, its gradation in different locations of structural members ...
CONCRETE WORKABILITY – SLUMP & COMPACTING FACTOR VALUES AND USES
Slump test and compacting factor tests are the most widely used workability tests for concrete. The degree of workability of concrete depends on the values of test results obtained from slump test and compacting factor tests. ...
CONCRETE SLUMP TEST – PROCEDURE AND RESULTS
Concrete slump test is to determine the workability or consistency of concrete mix prepared at the laboratory or the construction site during the progress of the work. Concrete slump test is carried out from batch to batch to check the ...
PROCEDURE FOR REBOUND HAMMER TEST ON CONCRETE
Procedure for rebound hammer test on concrete structure starts with calibration of the rebound hammer. For this, the rebound hammer is tested against the test anvil made of steel having Brinell hardness number of about 5000 N/mm2. After the ...
REBOUND HAMMER TEST ON CONCRETE
Rebound hammer test (Schmidt Hammer) is used to provide a convenient and rapid indication of the compressive strength of concrete. It consists of a spring controlled mass that slides on a plunger within a tubular housing. The operation of rebound hammer ...
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 ...
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 ...
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 ...
Accelerated Curing Method for Compressive Strength Test of Concrete
Accelerated Curing Method is used to get early high compressive strength in concrete. This method is also used to find out 28 days compressive strength of concrete in 28 hours. (As per IS 9013-1978-Method of making, curing and determining compressive ...
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 ...