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

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

Push pull testing is normally performed to measure the strength of the material bonding is between a typical fixing and concrete.

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

Even though materials used for bonding may be different, it is important to note that testing for bonding strength is an universal principle.

Push pull testing and tensile strength testing is normally performed because many factors may effect apt bonding of materials. The greatest concern is that weaknesses may pass unnoticed especially when inspection is only carried out visually. Some of these factors are: degraded strength of the bonding material resulting from low temperature, frost, or when contaminants infiltrates into the joint. Another cause of poor surface bonding strength is as a result of smooth side walls.

The entire strength of a whole set of fixings lose in strength so as to loose the integral strength of the structure because of the vital bonding materials fail. Ultimately, this may result in construction malfunctions leading to disastrous consequences. Push pull testing enables early detection of such problems. As a result, constructors can repair faults. Early fault detection mitigates future higher costs. It also helps to add to the assurance of any fixings integrity.

Push pull testing is conducted either on a wide test batch or a smaller intensive scale. Testing always entails duplication of the design maximum stress levels planned in construction as stipulated by the standards of the industry. This is not destructive testing so the maximum loads applied as well as the sample size will be determined by the on-site engineers.

Push Pull Testing is a detailed stress testing study of the performance of bonded materials. If problems have been detected then the Pull Out Testing can be used to rapidly find out the scale of the problem.

Quicker Pull out testing (larger sample testing) can be used under the circumstances where the financial feasibility of the large scale is far reaching and faults have been detected.

Pull Out Tests are for strength testing only where the passing of maximum load tolerances are recorded only. The test methods are the same as Push Pull Tests but only the pass or failure is recorded. Push Pull Testing is normally used to detect problems the quicker Pull Out Tests will find out the extent of such problems.

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