通过与气泡点模式相关的空间细分估算保护浆料体积

IF 1.6 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
Kazuya Ohyama, Soshi Yamashita, Shin-ichi Igarashi
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引用次数: 0

摘要

利用 Dirichlet 网格瓦片估算出受空气空隙保护、免受霜冻侵袭的浆料体积。每个瓦片都被视为受空隙保护的区域。特征距离由达到累积面积分数 0.95 的最大瓦片尺寸定义。通过模拟随机点图案的蒙特卡洛测试验证了该距离的重要性。比较特征距离和传统间距系数,后者与保护最易遭受霜冻袭击的局部区域所需的实际距离一致。即使在空气空隙聚集的区域,细分模型也能提供无重叠的保护特征距离。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Estimation of the Protected Paste Volume by Spatial Tessellation Associated with the Point Pattern of Air Voids

Paste volumes protected by air voids against frost attacks were estimated using Dirichlet tessellation tiles. Each tile was regarded as an area protected by air voids. The characteristic distance was defined by the largest tile size to reach a cumulative area fraction of 0.95. The significance of this distance was verified by a Monte Carlo test for the simulation of random point patterns. Comparing the characteristic distance and conventional spacing factor, the latter corresponds to the actual distance required for protecting the local region with the highest vulnerability to frost attack. The tessellation model provides the protection characteristic distance without overlaps even in the region of clustered air voids.

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来源期刊
Journal of Advanced Concrete Technology
Journal of Advanced Concrete Technology 工程技术-材料科学:综合
CiteScore
3.70
自引率
10.00%
发文量
45
审稿时长
3.5 months
期刊介绍: JACT is fast. Only 5 to 7 months from submission to publishing thanks to electronic file exchange between you, the reviewers and the editors. JACT is high quality. Peer-reviewed by internationally renowned experts who return review comments to ensure the highest possible quality. JACT is transparent. The status of your manuscript from submission to publishing can be viewed on our website, greatly reducing the frustration of being kept in the dark, possibly for over a year in the case of some journals. JACT is cost-effective. Submission and subscription are free of charge . Full-text PDF files are available for the authors to open at their web sites. Scope: *Materials: -Material properties -Fresh concrete -Hardened concrete -High performance concrete -Development of new materials -Fiber reinforcement *Maintenance and Rehabilitation: -Durability and repair -Strengthening/Rehabilitation -LCC for concrete structures -Environmant conscious materials *Structures: -Design and construction of RC and PC Structures -Seismic design -Safety against environmental disasters -Failure mechanism and non-linear analysis/modeling -Composite and mixed structures *Other: -Monitoring -Aesthetics of concrete structures -Other concrete related topics
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