清远北江四桥STC收缩性能研究
Western China Communication Science & Technology(2020)
Abstract
文章结合清远北江四桥工程实例,通过试铺试验及试块试验,研究STC的收缩性能和力学性能.研究结果表明,STC的收缩应变受边界条件、温度变化及尺寸效应等因素影响,且在整个养生过程中强度发展和收缩性能呈现规律性的变化,而STC层开裂与否和施工工艺及外界环境有着密切的关系.
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