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Articles 1 - 2 of 2
Full-Text Articles in Engineering
Optimum Design Of Cable-Stayed Bridges, Mahmoud M. Hassan
Optimum Design Of Cable-Stayed Bridges, Mahmoud M. Hassan
Digitized Theses
Owing to their excellent structural characteristics, aesthetic appearance, low maintenance cost, and efficient use of structural materials, cable-stayed bridges have gained much popularity in recent decades. Stay cables of a cable stayed bridge are post-tensioned to counteract the effect of the bridge dead load. The solution for an optimum distribution of post-tensioning cable forces is considered one of the most important and difficult tasks in the design of cable-stayed bridges. A novel approach that utilizes the finite element method, B-spline curves, and real coded genetic algorithm to determine the global optimum post-tensioning cable forces is developed. The effect of geometric …
Applications Of Ultrafine Powder Coatings, A.S. Mohammad Sayem Mozumder
Applications Of Ultrafine Powder Coatings, A.S. Mohammad Sayem Mozumder
Digitized Theses
Powder coatings have emerged as an alternative to the conventional liquid coatings when environmental regulations become stricter every year. The advantage of powder coatings mainly renders to their solvent-free formulations, because solvent(s) used in liquid coatings are to be evaporated to environment contributing to the total volatile organic compounds (VOCs) emissions. Although advantageous, until recently, powder coating was not able to provide surface finishes comparable to the liquid coatings. However, when ultrafine powders (particularly, in the size range of 15-25 µm) becomes flowable with the aid of nano-additive(s), ultrafine powder coatings (UPCs) came into business with its thinner and smoother …