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[1]YAO Zheng-yi,WANG Tao,HAN Zhi-wen,et al.Field Tests on Consolidation Effect of Three Sand Stabilizers[J].Research of Soil and Water Conservation,2008,15(02):66-68.

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Field Tests on Consolidation Effect of Three Sand Stabilizers

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 02 Page number: 66-68 Column: Public date: 2008-04-20

Title:: Field Tests on Consolidation Effect of Three Sand Stabilizers

Author(s):: YAO Zheng-yi, WANG Tao, HAN Zhi-wen, ZHAO Ai-guo, CHEN Heng, YANG Zuo-tao; Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, CAS, Lanzhou 730000, China

Keywords:: sand stabilizers; sand consolidation effect; field test

CLC:: X171;S157

DOI:: -

Abstract:: Three types of sand stabilizers were used for field tests on loose sand surface in Shapotou.Each sand stabilizer was conducted in three concentrations.The observed contents include penetration depth,crust thickness,surface hardness,compressive strength and erodibility.Based on the test results,PAE(Polyvinyl acetate emulsion) and DST have good permeability and penetration depth is 4.0～5.0 mm and 3.2～5.0 mm respectively.The Xinghuo A has poor permeability.The crust thickness of DST is 10～13 mm and is the thickest among three sand stabilizers.The crust thickness of PAE and the Xinghuo A only is 1/4～1/5 of DST’s.Compressive strength of DST crust can reach 1.22～2.27 MPa and can bear a human being weight.Compressive strength of the Xinghuo A crust is the lowest among three sand stabilizers.Field tests show that DST is the most appropriate material for fixing sand drift because DST has the wider range of temperature tolerance,higher aging and natural weathering resistance and sand-flow resistance,and the test also showed that the dosage of DST can be reduced and decrease the cost.

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