Determination of the breaking strength of hardened concrete.
DETERMINATION TENSILE SPLITTING STRENGTH OF HARDENED CONCRETE
In detail and completely from the beginning, the method of conducting a tensile-flash resistance test for hardened concrete
cleavage intensity strain
It is the stress generated as a result of loading the sample with lateral pressure loads
the goal
Determination of concrete resistance to indirect tensile or split tensile
devices
1 - loading machine
2 - Installation fittings, which are made of compressed fiber
3. The loading parts are of two types A & B
Test steps:
1- The density of the hardened concrete sample is determined
2- Ensure that all surfaces used in the test are clean
3- Fixing the sample with the appropriate composition - then it is placed in the testing machine, taking into account that the sample axis coincides with the axis of the machine
4 Bearing the sample without impact until fracture at a constant loading rate
5- Set the collapse load p
6 - Determination of the tension-breaking resistance of the relationship
where d = sample cross-section distance mm
L = loading length mm
.
As a laboratory man, you must have full experience in the method of conducting tests.
In this meeting, you can know what is the correct procedure and code and its application in order to judge the concrete sound and good, or vice versa and be excluded from the work.
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Direct Link Download British Code BS-1881 - 117
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Direct link to download the US code ASTM - C 496
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Direct link to download the European code BS - EN - 12390 - 6
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Негізгі бет Determination of the tensile strength of hardened concrete (BS-1881-117 & ASTM-496 & BS-EN 12390-6)
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