粉煤灰综合利用 FLY ASH COMPREHENSIVE UTILIZATION 2010NO.5 读验用 锂渣细度对锂渣混凝土早期抗裂性能影响及分形评价 Influence and Fractal Evaluation of the Fineness Level of Lithium Slag on Early Age Crack-Resistant Property of Concrete 王国强，努尔开力依孜特罗甫，侍克斌，慈军 (新疆农业大学水利与土木工程学院，新乌鲁木齐830052) 摘要：锂渣作为一种工业废清利用到混凝土中，可发挥锂渣的潜能，提高混凝土的性能.试验利用了锂渣优良的 可磨性，通过平板法开裂试验研究了不同细度锂渣对混凝土塑性收缩、自缩收裂缝的影响，并应用分形理论测量并计算 不同细度锂渣混凝土裂缝的分形维数.结果表明：锂渣混凝土早期裂缝的最大宽度、总长度以及总面积随锂渣细度的增 大而增大，同时裂缝复杂化程度提高. 关健词：锂清细度，自收缩，平板法，分形评价 中图分类号：TU528.01 文献标识码：A 文章编号：1005-8249(2010)05-0023-04 WANG Guo-qiang NuerkailiYiziteliopu SHI Ke-bin CiJun (The College of Civil and Hydraulic Engineering Xinjiang Agricultural University Urumqi 830052 China) Abstract:Lithium slag is a kind of industrial waste residue.When it is used in coocrete it can effectively improve performances of concrete and exert its potential.The experiment makes use of its excellent wearability and the influence of lithium slag at different fineness level on plastic fracture and autogenous shrinkage was researched by flat tests.The fractal dimension of concrete crack under different fineness levels was tested and calculated by fractal theory.Research results show that the higher fineness level of lithium slag is the bigger the width total length and total area of early age crnck are and the higher plexity degree of crack is. Key words fineness level of lithium slag autogenous shrinkage flat tests fractal evaluation 锂渣是利用锂辉石矿石经过约1200℃高温煅烧度变形，虽然混凝土浇筑高峰正值夏季高温时段，但未 后用硫酸法生产碳酸锂过程中产生的工业废渣.锂渣 出现混凝土开裂和龟裂现象. 中含有较多...
锂渣细度对锂渣混凝土早期抗裂性能影响及分形评价.pdf
