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Abstract
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Article Information:
Mechanical Properties of Plastic Concrete Containing Bentonite
Peng Zhang, Qiaoyan Guan and Qingfu Li
Corresponding Author: Peng Zhang
Submitted: July 02, 2012
Accepted: July 31, 2012
Published: February 01, 2013 |
Abstract:
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Plastic concrete consists of aggregates, cement, water and bentonite, mixed at a high water cement ratio, to produce a ductile material. It is used for creating an impermeable barrier (cut-off wall) for containment of contaminated sites or seepage control in highly permeable dam foundations. The effects of water to binder ratio and clay dosage on mechanical properties of plastic concrete were investigated. The results indicate that the water to binder ratio and clay dosage have great influence on the mechanical properties of plastic concrete. There is a tendency of decrease in the compressive strength, splitting tensile strength, shear strength and elastic modulus of plastic concrete with the increase of water to binder ratio and clay dosage, while, the internal friction angle of the shear specimens is increasing gradually. To improve the resistance to deformation of cut-off walls constructed with plastic concrete, the higher water to binder ratio and clay dosage can be selected to decrease the elastic modulus of plastic concrete in the practical design and applications of plastic concrete on condition that the plastic concrete has enough compressive strength, tensile strength and shear strength.
Key words: Bentonite, clay dosage, mechanical property, plastic concrete, water to binder ratio, ,
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Cite this Reference:
Peng Zhang, Qiaoyan Guan and Qingfu Li, . Mechanical Properties of Plastic Concrete Containing Bentonite. Research Journal of Applied Sciences, Engineering and Technology, (04): 1317-1322.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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