“Mechanical Properties & Durability Of Mortar Containing Rice Husk Ash As a Supplementary Cementing Materials” Supervision Asst. Prof. Dr. Aseel Basim Abdul-Hussein By Aya Hussein Ali Rice Husk(RH) Rice Husk Ash(RHA) After Burning Rice Husk Ash(RHA) After Milling Mortar Specimen With Different Proportion Of RHA XRD Test Results XRD Machine Hardness Test Results Shore D Hardness tester Impact Test Results Impact Tester Compression Test Results Compression Testing Machine Bending Test Machine Compression Testing Machine The Aim Of Research : 1-To find the optimum mix design with regards to the amount of water, RHA, and cement ratio. 2- To investigate the physical properties of the RHA (bending and compression)and water absorption 3-Use of industrial waste in a useful manner. 4- To provide economical construction material. 5-Provide safeguard to the environment by utilizing waste properly.