Rheological Characteristics of Portland-sulphur Aluminate Composite Cement Slurry

Home > Archive>Volume 43, Issue 10, 2016 >63-67

Rheological Characteristics of Portland-sulphur Aluminate Composite Cement Slurry
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                        WANG ShengWANG Sheng
State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology
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HUA XuHUA Xu
State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology
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XU Shi-tonXU Shi-ton
State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology
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WANG Jin-feiWANG Jin-fei
State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology
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Affiliation:State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology,State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology,State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology,State Key Laboratory of Geohazard Prevention & Geoenvironment Protection, Chengdu University of Technology
Clc Number:P634.6
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Abstract:

Portland-sulphur aluminate composite cement slurry has broad application prospect in rapid geological disaster management project, but the rheological properties directly affects the application effect. By combining theoretical analysis with test, the research on the rheological properties of portland-sulphur aluminate composite cement slurry with different mixing proportion was carried out. According to the test results, the curves of shear stress and shear rate of composite cement slurry were drawn; by measuring the time-dependent change of apparent viscosity of the slurry, the time-varying property of cement slurry viscosity was analyzed. The test results show that the water cement ratio has obvious influence on the flow pattern of composite cement slurry; water-reducing agent has no obvious rule to the flow pattern, but has great influence on the rheological parameters of the slurry.

Key words:geological disaster treatment; grouting; portland-sulphur aluminate composite cement slurry; theoretical properties; time-varying property of viscosity

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Received:July 19,2016
Revised:September 11,2016
Adopted:September 12,2016
Online: November 22,2016
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