Comparison of Mechanical Properties of Concrete Paving BlocksContainingSugarcane and Corn Leaf

Pongsak Jittabut

Physics and General Science Program, Faculty of Science and Technology, Nakhon Ratchasima Rajabhat University, Nakhon Ratchasima, 30000, Thailand

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Manuscript received July 8, 2015

Revised September 10, 2015


In this study,comparison of mechanical properties of concrete paving blocks mixed sugarcane and corn leafby using ultrasonic pulse velocity and destructive testing. The sugarcane and corn leaf instead were used as cement replacement of 4, 6, 8 and 10 by weight of cement. The standard mix ratio of concrete blocks is (stone: sand: water) as follows: 3: 12: 8: 1.3 by weight of cement. The mechanical properties test such as compressive strength, water absorption, density and ultrasonic pulse velocityrespectively.The results shown that the sugarcane leaf was used cement replacement 4 %wt. showed the optimized properties than the corn leaf, the concrete blocks ratio of (rock: sand: water: sugarcane leaf) was 2.88: 12: 8: 1.3: 0.12 based on standard ASTM. The compressive strength was 12.79 MPa, water absorption was 5.88%, density was 2,100.6 kg/m3 and ultrasonic pulse velocity was 0.2155 cm/µs respectively.For measurement with ultrasonic pulse velocity can be used to test the compressive strength and density as two important indices used for characterizing mechanical properties of concrete paver blocks. The compressive strength and density for measurement with ultrasonic pulse velocity can be used to test the compressive strength of the paver blocks.

Keywords:Mechanical properties, concrete paving block, ultrasonic pulse velocity, destructive testing

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