Push Pull Testing For Railway Industry Supplying Calibrated Measuring Instruments. Mechanical Load Testing Methods For On Site Evidence To Testing Standards.

Push pull testing is normally conducted in order to gauge the strength of the material bonding is between a typical anchor and concrete.

Push pull testing procedures are performed according to BS5080 Part 1 requirements.

No matter what type of bonding material used, it is important to note that testing for bonding strength is an universal principle.

Push pull testing and tensile strength testing is usually performed because many factors may counter the apt bonding of the fixings. The greatest concern is that weaknesses may go unnoticed when only visual inspection is conducted. Some of these factors are: degraded strength of the bonding material resulting from low temperature, frost, or when water infiltrates into the joint. Another reason for poor surface bonding strength is as a result of smooth side walls.

The entire integrity of a whole set of fixings may be weaker so as to loose the integral strength of the structure because of the essential bonding materials fail. Ultimately, this may cause the construction malfunctions leading to disastrous consequences. Push pull testing means early diagnosis of such problems. As a result, constructors are able to repair the problems. Early fault detection mitigates future problems. It also gives an assurance of any fixings integrity.

Push pull testing can be carried out either on a wide test batch or a smaller intensive batch. Testing always entails duplication of the design maximum stress levels planned in construction as required by the standards of the industry. This is not destructive testing so the maximum loads applied together with the sample size will be decided upon by the on-site engineers.

Push Pull Testing is a detailed stress testing study of the performance of bonded materials. Should problems be found then the Pull Out Testing can be used to rapidly detect the severity of any identified problem.

Quicker Pull out testing (larger sample testing) could be applied under the circumstances where the costs of the large scale is far reaching and faults have been found.

Pull Out Tests are for strength testing only and will only show the pass or fail of maximum loads being tested. The test methods are the same as Push Pull Tests but only the pass or failure is recorded. While the Push Pull Tests can find problems the quicker Pull Out Tests can quickly find out the extent of such problems.

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