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亚热带区环氧砂浆与混凝土黏结性能试验研究

DOI: 10.3969/j.issn.1674-0696.2014.05.10, PP. 47-50

Keywords: 桥梁工程,环氧砂浆,黏结性能,试验研究,亚热带气候区,bridgeengineering,epoxymortargrout,adhesiveproperties,experimentalinvestigations,subtropicalclimate

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Abstract:

:？为确保亚热带气候区桥面铺装施工中薄层环氧砂浆与混凝土梁体之间的黏结质量，对不同环氧砂浆在不同施工工艺条件下进行了对比试验研究。研究表明：环氧砂浆底胶由于强光暴晒老化，影响其黏结强度，随着暴晒时间的延长，黏结强度明显降低；对暴晒过的底胶表层打磨清洗后，可以消除阳光暴晒的影响；采用免底胶环氧砂浆施工可保证黏结强度。

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