Chapter
Jul 11, 2012
Study on Application Technique Standard of Spraying Polyurea As Anti-Seepage Layer for High Arch Dams
Authors: Xiaoqing Liu [email protected], Guangsheng Liu [email protected], and Tongchun Li [email protected]Author Affiliations
Publication: Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
The method of adding a flexible anti-seepage layer is a way to solve the problem of cracks in upstream surfaces of arch dams. Spraying polyurea as anti-seepage layer has been used in several projects for the crack repairing in china. But there is no technique standard for checking the construction quality in using sprayed polyurea, such as requirements of thickness, material tensile strength, bonding strength, anti-seepage and wear resistance. Taking Xiluodu arch dam as an example, the test in-situ is done to check whether the main requirements for material behavior are reasonable and economic.
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Published In
Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Pages: 996 - 1002
Copyright
© 2012 American Society of Civil Engineers.
History
Published online: Jul 11, 2012
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Authors
Affiliations
College of Water Conservancy & Hydropower Engineering, Hohai Univ., Nanjing 210098, China. E-mail: [email protected]
Shanghai Oriental Yuhong Waterproof Technology co. ltd, Shanghai, 200333, China. E-mail: [email protected]
College of Water Conservancy & Hydropower Engineering, Hohai Univ., Nanjing 210098, China. E-mail: [email protected]
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