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International Journal of Concrete Structures and Materials , 2019년, pp.103 - 114  
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Experimental Study on?Waterproofing Properties of?Putty-Based Composite Rubber Strip for?Underground Post-Tensioned Precast Concrete Structures
Experimental Study on?Waterproofing Properties of?Putty-Based Composite Rubber Strip for?Underground Post-Tensioned Precast Concrete Structures

Xiang-Guo Wu  Xiao-kai Chen  Shi-yan Yu  홍성원  강현구 
  • 초록

    The proper assembly of underground precast concrete structures is often critical in the construction of underground structures. In particular, interfacial waterproo?ng between precast concrete segments is a key factor in?uencing use, safety, and life span. Current practice is to incorporate waterproo?ng rubber strips in the design. During the instal-lation process, compressive stress is applied to the strip by post-tensioning to achieve performance. For this paper, lateral constraint compression tests were carried out on composite rubber seal strips that utilize putty. Special water-proo?ng and sealing test devices were designed to investigate corresponding relationships between water pressure and compressive stress (or strain). A relationship between water resistance pressure and compression stress and strain of the putty-based composite rubber strip was proposed based on the series tests and the control target of the minimum compression strain of the putty composite rubber strip was then suggested. Finally, full-scale waterproof-ing tests on tunnel joints were conducted. The experimental results provide a scienti?c reference for the engineering application and design of composite sealing rubber strips putty for underground post-tensioned precast concrete structures.


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