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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Design and Research on Gradient Structure Concrete Based on Volumetric Stabilization
Author(s): Xiao-Dong Wen, Bao-Guo Ma, Wei-Zhong Gan, and Zhi-Wei Xian
Publication: Materials Journal
Appears on pages(s): 612-618
Keywords: accelerated test; design; gradient; stabilization
Abstract:The gradient-structural design method of concrete due to underground concrete’s degradation characteristics was studied. The interlaminar deformation consistency was controlled to optimize the material, structure, and performance by means of interface mechanics. The accelerated test falls into two groups: one made to evaluate the swelling deformation value of the sample with a single-side exposed simulation environment and the other to characterize the environmental damage by the electric flux change. The gradient structure concrete (GSC) system is easily found to be much more stable based on the following evidence: 1) the swelling value of the GSC system declined by approximately 60 to 74% in 44 weeks; 2) the corrosion resistance coefficient K increased and the K210 value was still larger than 1, compared to that of a conventional single-layer structure system; and 3) the change in electric flux of the GSC system only increased from 149 to 252 coulomb (1 coulomb = 1A × sec.), whereas conventional single-layer structure systems increased noticeably from 1267 to 2728 coulomb.
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