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		题名	作者	年代	出处	被引量
	1	Effect of Rubber Particle Modifi cation on Properties of Rubberized Concrete显示文摘To improve the combination of cement matrix and waste tire rubber particles in concrete, the rubber particles were treated with acrylic acid(ACA) and polyethylene glycol(PEG) for grafting hydrophilic groups on their surfaces. The X-Ray photoelectron spectroscopy(XPS) and surface contact angle were used to characterize the hydrophilicity and surface functional group of rubber particles. The effect of rubber particle modifi cation on fresh/hardened properties of rubberized concrete was studied. The experimental results show that the contact angle between rubber particle surface and water decreases when rubber particle is modifi ed. Compared with the unmodifi ed rubberized concrete(RC), the unit weight of modifi ed rubberized concrete(MRC) changes slightly. However, the slump, air-entrainment, compressive strength, flexural strength, and impact performance of MRC are obviously improved. Under good condition of slump, the water-cement ratio of the MRC can be reduced from 0.4 to 0.38. And the compressive strength and fl exural strength of the MRC(10% rubber particle content) can be increased by 25.9% and 26.4%, respectively.	张海波 GOU Mifeng LIU Xiaoxing 管学茂	2014	Journal of Wuhan University of Technology(Materials Science)2014，29，4：	6

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