Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 51369023 |
| 天然浮石胶粉混凝土在寒旱区水工建筑物的适应性研究 | |
| 王海龙 | |
| 主持机构 | 内蒙古农业大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 500000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Subject to the actual geography and climate of the loop irrigation environment as the foundation, study of natural rubber pumice concrete frost resistance of the improvement mechanism, and the view of the cold regions special geographical climate adaptability. Use of Inner Mongolia region of enrichment pumice resources, through the scrap tire rubber powder modified pumice concrete antifreeze, anti-permeability, impact resistant wear-resisting performance etc. Through the analysis of indoor and outdoor and microscopic quantitative expression of the interface, and concludes that the natural pumice light weight aggregate concrete micro powder interface properties, the pore characteristic and the macroscopic mechanical properties (bending, compressive, tensile, anti-permeability, antifreeze and resistance to abrasion resistance) the inner relationship between the, this paper summarizes the mesoscopic change and powder concrete macroscopic mechanical properties of the coupling law; Through the observation of the natural experiment data gate and set up a corresponding temperature gradient ice-brake body shock model; Through the three temperature of freeze-thaw cycle simulation test to freeze, the freezing and ice water impact before and after the cement hydration products structure form, transition zone interface, it is concluded that the cement base material internal composition change, powder-water slurry-aggregate interface transition zone geometry physical properties characterization and pore structure change rule. |
| 中文关键词 | 寒区 ; 冰-坝体冲击模型 ; 废旧轮胎胶粉 ; 抗冻性 ; 三向温控 |
| 来源机构 | 内蒙古农业大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344277 |
| 推荐引用方式 GB/T 7714 | 王海龙.天然浮石胶粉混凝土在寒旱区水工建筑物的适应性研究.2014. |
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