https://www.researchgate.net/publication/361912570_Study_of_Nanotechnology_in_Concrete_Compounds_and_Properties_when_Adding_Polypropylene_Fibers_to_Design_a_Concrete_Mix

Knowledge of structural stability theory is of paramount importance to the practicing structural engineer. In mапу instances, buckling is the primary consideration in the...

https://www.researchgate.net/publication/358139793_The_Structural_Design_of_a_Reinforced_Concrete_Box_Culverts لكل من يهتم بموضوع العبارات الصندوقية ( Box-culverts) تم نشر دراسة حول تصميم هذا النوع اتمنى ان تكون مفيدة لحضراتكم.