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dc.contributor.advisorYehia, Sherif
dc.contributor.authorMansour, Doaa
dc.date.accessioned2017-06-11T07:15:34Z
dc.date.available2017-06-11T07:15:34Z
dc.date.issued2017-04
dc.identifier.other35.232-2017.15
dc.identifier.urihttp://hdl.handle.net/11073/8865
dc.descriptionA Master of Science thesis in Civil Engineering by Doaa Mansour entitled, "Effect of Aggregate Type and Specimen Configuration on Concrete Compressive Strength," submitted in April 2017. Thesis advisor is Dr. Sherif Yehia. Soft and hard copy available.en_US
dc.description.abstractCement content, water-to-cement ratio (w/c), aggregate size and type, specimen size and shape, loading rate, and curing are some factors that affect the concrete compressive strength. This study focuses on the effect of aggregate type and specimen configuration on the compressive strength of concrete. Six concrete mixes utilizing 10 mm and 20 mm natural, LAYTAG and Pumice lightweight, and recycled aggregate from two sources, "Bee'ah and Jabal Ali", were used to investigate the effect of these two factors. In addition, samples from ready-mix concrete producers with different strengths "C45, C75, C60, and C80" were evaluated for the compressive strength using standard size cylinders and cubes. Strength development was monitored on the 7th, 28th, and 90th day. In addition, flexural strength, split tension, and modulus of elasticity were evaluated on the 28th and 90th day. Statistical analyses were conducted to estimate the relationships among the variables considered in the investigation. Moreover, other mechanical properties as a function of compressive strength were discussed and compared to those predicated by the ACI specification. Results indicate that standard specimen size has a negligible effect on the concrete compressive strength; whereas, specimen shape had a noticeable effect on the compressive strength as the Cylinder/Cube ratio on the 90th day was ranging between 0.781 and 0.929. The concrete compressive strength and modulus of elasticity were significantly affected by the aggregate type. Other mechanical properties, such as flexural strength and split tensile strength, were less affected by the aggregate type which was also confirmed by the values predicted with the ACI equations.en_US
dc.description.sponsorshipCollege of Engineeringen_US
dc.description.sponsorshipDepartment of Civil Engineeringen_US
dc.language.isoen_USen_US
dc.relation.ispartofseriesMaster of Science in Civil Engineering (MSCE)en_US
dc.subjectAggregate Typeen_US
dc.subjectSpecimen Shapeen_US
dc.subjectSpecimen Sizeen_US
dc.subjectCompressive Strengthen_US
dc.subjectConcrete Mechanical Propertiesen_US
dc.titleEffect of Aggregate Type and Specimen Configuration on Concrete Compressive Strengthen_US
dc.typeThesisen_US


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