【摘要】 万安溪面板坝一期面板混凝土总面积约９１００ｍ２。在防裂抗裂措施上，通过原材料合理选择，采用三复合外加剂和粉煤灰，改善了面板混凝土的抗裂性能。在施工中，强调因地制宜，采取综合措施。在完成混凝土浇筑历时３～５个月后，经多次检查，没有发现任何裂缝。这一初步成功，证实了面板混凝土的有害裂缝完全是可以避免的。更多还原

【Abstract】 In the first phase of Wan’anxi concrete face rockfill dam construction, facing concrete of 9100m2should be concreted. Through proper choice of materials,using three composite admixtures and flyash,crackresistance of facing concrete is promoted. In construction, according to actual situation, comprehensive methods are adOPted. After three to five months atter pouring concrete,no crack is discovered through many inspections. This proves that dangerous cracks in concrete face dam can be avoided.更多还原