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首页> 外文会议>PEER Report 2003/11; U.S.-Japan Workshop on Performance-Based Earthquake Engineering Methodology for Reinforced Concrete Building Structures; 20030910-11; Hakone(JP) >PERFORMANCE OF A FIBER-REINFORCED CONCRETE INFILL PANEL SYSTEM FOR RETROFITTING FRAME STRUCTURES
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PERFORMANCE OF A FIBER-REINFORCED CONCRETE INFILL PANEL SYSTEM FOR RETROFITTING FRAME STRUCTURES

机译：纤维增强混凝土填充面板系统用于框架结构翻新的性能

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摘要

This paper presents the results of an experimental and analytical investigation of an infill wall system developed for retrofitting frame structures. The system is designed for flexibility in application, easy replaceability, and protection of secondary systems. The infill is composed of precast panels made with a ductile fiber-reinforced cementitious material, referred to as engineered cementitious composites (ECC). Pretensioned bolted connections are used both between individual panels and at the connections to the frame structure. Experiments on connection response to compression and shear loading as well as individual panel response to cyclic lateral load were performed. A constitutive model for ECC was applied to simulate panel response. Detailed finite element models were conducted to study to performance of the panels and connections in a steel frame. It was found that the panels fail primarily in a flexure mode and that reinforced ECC panels could reach strengths 45% higher than a reinforced concrete panel. Through numerical simulations, it was determined that various panel arrangements can lead to a range of strength and stiffness increases in a frame without causing premature damage to the frame.
机译：本文介绍了为改造框架结构而开发的填充墙系统的实验和分析研究结果。该系统旨在灵活地应用，易于更换和保护辅助系统。填充物由预制板组成，预制板由韧性纤维增强水泥材料制成，称为工程水泥复合材料（ECC）。在各个面板之间以及在框架结构的连接处都使用了预紧的螺栓连接。进行了连接对压缩和剪切载荷响应以及各个面板对横向侧向载荷响应的实验。 ECC的本构模型用于模拟面板响应。进行了详细的有限元模型研究，以研究钢框架中面板和连接件的性能。发现该板主要在弯曲模式下失效，并且增强的ECC板的强度可以比增强的混凝土板高45％。通过数值模拟，可以确定各种面板布置可以导致框架强度和刚度的增加，而不会引起框架的过早损坏。

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