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Abstract:
整体式桥台桥梁的上部结构与桥台浇筑成整体并由单排桩支承.温度引起的伸缩及混凝土的徐变和收缩导致桩中产生弯曲应力.至今,该类桥梁还没有统一的设计标准,仅有少数可供参考的设计和施工准则.回顾了现行整体式桥台桥梁的设计和施工实践.通常认为重要的设计参数是混凝土桥面板的温度、徐变和收缩效应,土层的变化及桩-土的共同作用.对桩的参数分析考虑了预钻孔的影响、预钻孔中填料的类型、地下水位、土的类型及桩的朝向.研究结果将有助于整体式桥台桥梁桩基的选择和设计.
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世界桥梁
ISSN: 1671-7767
CN: 42-1681/U
Year: 2005
Issue: 4
Page: 13-17,24
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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