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Articles by M. Abdulrazzaq
Total Records ( 2 ) for M. Abdulrazzaq
  M. Abdulrazzaq and Mahmoud A. Hassan
  In this research, numerous thin pipes are exposed to complex cyclic loading range going, since, little vibration to huge capacity abrasions. This investigation offerings displaying of fatigue crack growth performance in thin partition of pipe for external superficial fractured pipe exposed to inside pressure. There are numerous variables influencing of fatigue crack growth, for example, crack length, condenses of the pipe and the R-ratio. Fatigue crack growth development as result of administration loads relies upon a wide range of contributing variables. With the assistance of a recreation fatigue crack growth in three-dimensional structures can either be anticipated or if nothing else be clarified for effectively existing failures.This study objective is to reproduce the influence of utilizing FCG Walker Model. The expected results had shown the Walker Model most applicable model for the VA loading. Simulation gave distinctive estimations of these variables which demonstrated their impacts on the fatigue crack growth development in this application. Furthermore, study need to consider alternate components towards robustness.
  Mahmoud Abed Hassan , M. Abdulrazzaq and Mushtaq Albdiry
  In this study, the mechanical properties representing by tensile strength and elongation at break for the as-received steel reinforced rubber expansion joints were measured. Shore A hardness test was also measured. The tensile specimens were prepared according to ASTM D 4014. The results showed that steel plate reinforced rubber plays a significant role in stopping the crack initiating that occurred due to the continuous applied tensile load. The maximum tensile strength was reached of 16.73 MPa with a 456 % elongation at break and a shore A hardness value of 61.5 that gives the joints a superior durability and the required displacements of 330 mm in the bridge decks they are used to.
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