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首页> 外文期刊>Engineering Structures >Behavior of high-performance mortar and concrete connections in precast concrete elements: Experimental investigation under static and cyclic loadings
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Behavior of high-performance mortar and concrete connections in precast concrete elements: Experimental investigation under static and cyclic loadings

机译：预制混凝土构件中高性能砂浆和混凝土连接的性能：静态和循环荷载下的实验研究

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Prefabricated bridges inevitably contain joints that should be made structurally stable. This paper focuses on the materials and methods used to connect transverse joints for prefabricated concrete bridges. A total of nine specimens were fabricated for which prestressing has been introduced after grouting high-performance mortar (HPM), and another seven specimens for which high-strength concrete (HSC) has been placed after lap splicing. Static flexural and cyclic loading tests were conducted. The HPM series specimens performed better than the integrated specimen. The HSC series specimens showed similar static flexural behavior, but lower serviceability, to that of the integrated specimen. (C) 2015 Elsevier Ltd. All rights reserved.
机译：预制桥梁不可避免地会包含应在结构上稳定的接头。本文重点介绍用于连接预制混凝土桥梁的横向缝的材料和方法。总共制造了9个标本，对高性能砂浆（HPM）进行灌浆后对其施加了预应力，另外7个标本在搭接后放置了高强度混凝土（HSC）。进行了静态挠曲和循环载荷测试。 HPM系列样品的性能优于集成样品。 HSC系列试样显示出与整体试样相似的静态挠曲行为，但使用寿命较低。 （C）2015 Elsevier Ltd.保留所有权利。

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