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Research and Application of C60 High Performance Concrete for Main Girders of Badong Changjiang River Highway Bridge
Author(s): 
Pages: 51-54
Year: Issue:  2
Journal: WORLD BRIDGES

Keyword:  高性能混凝土配合比收缩徐变耐久性应用;
Abstract: 针对巴东长江公路大桥预应力主梁施工,研究了粉煤灰、矿粉对C60高性能混凝土拌和物性能、力学性能、长期变形性能和耐久性的影响.试验结果表明,采用适量粉煤灰或矿粉运用缓凝高效减水剂双掺技术配制的C60高性能混凝土具有良好的工作性能、较高的早期强度和高抗冻性,且降低了混凝土的长期收缩和徐变变形,提高了混凝土的抗氯离子渗透性.C60粉煤灰高性能混凝土在巴东长江公路大桥边主梁上得到了成功应用.
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