UHPC预制桥面板的研发与应用
China Concrete and Cement Products（2021）
Abstract
为满足广州鹤洞大桥(东西引桥)大中修工程H线引桥用超高性能混凝土(UHPC)预制桥面板的设计指标要求,通过原材料优选、配合比设计及力学性能试验,研究了石英砂级配和掺量、复合掺合料掺量及内养护剂掺量对UHPC工作性和力学性能的影响,制备了各项性能指标均满足设计及施工要求的UHPC.同时,其24 h立方体抗压强度达到设计强度的70％以上,满足拆模起吊要求.
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