Chapter
Apr 26, 2012
Numerical Simulation of Aggregate Shape of Concrete
Publication: Earth & Space 2006: Engineering, Construction, and Operations in Challenging Environment
Abstract
An efficient algorithm is developed on the basis of considering the characteristic of mass concrete with high aggregate content ratio. All the same kind of random triangle fundamental aggregates are generated at one time, and then the two dimensional arbitrary shapes of aggregate can be generated by the method of random extension. The presented algorithm is superior to the common method, in which all aggregates are put one by one, and our algorithm avoids the defects of the latter algorithm, such as inefficiency of algorithm, low aggregate content etc. Corresponding software 2D-RAS is developed on the basis of this algorithm. Finally, the behavior of the three-grading concrete specimen under uniaxial tension is studied. The results indicate critical load capacity of the specimen with the random arbitrary shape aggregate is greater than that of the specimen with random circle aggregate.
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© 2006 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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College of Civil Engineering, Hohai University, Nanjing 210098, China.E-mail: [email protected]
College of Civil Engineering, Hohai University, Nanjing 210098, China.E-mail: [email protected]
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