A New Prefabricated Cage System in Concrete Members: Small Grant for Exploratory Research

一种新型混凝土构件预制笼系统：小额探索性研究拨款，CMS项目0355321PI: Halil Sezen， Ohio state提出了一种新型加固系统，预制笼系统（PCS），用于在钢筋混凝土（RC）梁和柱中执行纵向和横向加固功能。本方案包括试验和分析研究，以探讨混凝土的约束和轴向承载能力。为了更好地了解PCS体系的约束和轴向行为，将对20个试件进行试验。将对钢管混凝土、钢筋混凝土和混凝土柱进行试验，并对试验结果进行比较。因此，将为所建议的PCS开发一个具体的约束模型。根据测试结果，将对提出的新系统的有效性进行研究。本文提出的加固体系消除了钢筋混凝土的一些潜在破坏模式，并提供了更大的强度和位移延性，将直接影响抗震设计实践。

A New Prefabricated Cage System in Concrete Members: Small Grant for Exploratory Research, CMS project 0355321PI: Halil Sezen, Ohio StateA new reinforcement system, Prefabricated Cage System (PCS) is proposed to perform the functions of both longitudinal and transverse reinforcement in reinforced concrete (RC) beams and columns. This proposal includes experimental and analytical research to investigate the confinement and axial-load carrying capacity of the PCS. 20 specimens will be tested to better understand the confinement and axial behavior of PCS system. The specimens including concrete-filled steel tube, RC and PCS columns will be tested, and the results will be compared. As a result, a concrete confinement model will be developed for the proposed PCS. Based on test results, effectiveness of the proposed new system will be investigated. The proposed reinforcement system will directly impact seismic design practice by eliminating some potential failure modes in RC, and by providing larger strength and displacement ductility.