Prof. Dr. Kamal Gad Sharobim vice president of Suez Canal University for Community Service and Environmental Development travel to Tripoli Republic of Libya to attend the Twelfth Arab Structural Engineering as an arbitrator and a member of the Scientific Committee of the Conference, which takes place from 16 to 19 December, in addition to that Prof. Dr. Kamal Sharobim Conference participates search warrant on the use of rice straw ash in the concrete industry as Bzolanah similar in chemical composition of cement