新型預(yù)制裝配式混凝土樓蓋平面內(nèi)受力性能非線性有限元分析*
武川川1，朱筱俊2，梁書(shū)亭3 ，龐瑞4，劉杰3
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(1蘇州設(shè)計(jì)研究院股份有限公司，215021；2 東南大學(xué)建筑設(shè)計(jì)研究院，南京 210096；3 東南大學(xué)土木工程學(xué)院，南京 210096；4河南工業(yè)大學(xué)土木建筑學(xué)院，鄭州 450001）[摘要] 已有試驗(yàn)結(jié)果表明，預(yù)制裝配式混凝土樓蓋平面內(nèi)受力性能受連接件的個(gè)數(shù)及間距、連接件抗彎鋼筋強(qiáng)度等因素的影響，但是目前還沒(méi)有提出具體的影響程度。本文以混凝土強(qiáng)度、連接件的個(gè)數(shù)及間距、連接件抗彎鋼筋強(qiáng)度，邊梁縱筋強(qiáng)度，邊梁箍筋強(qiáng)度為參數(shù)，通過(guò)對(duì)其平面內(nèi)水平荷載作用下的數(shù)值模擬分析，研究以上參數(shù)對(duì)預(yù)制裝配式混凝土樓蓋荷載-位移曲線的影響規(guī)律，為預(yù)制裝配式混凝土樓蓋的設(shè)計(jì)和施工提供參考。[關(guān)鍵詞] 預(yù)制裝配式;樓蓋;平面內(nèi)中圖分類(lèi)號(hào)： TU375 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)s1-0677-04Nonlinear FE analysis on in-plane load-bearing behavior of the new-type precast fabricated concrete diaphragmsWu Chuanchuan1 ，Zhu Xiaojun2 ，Liang Shuting 3 ，Pang Rui 4 ，Liu Jie3(1 Suzhou Institute of Architectural Design Co. , Ltd. , Suzhou ,215021, China; 2 Architectural Design & Research Institute of Southeast University, Nanjing, 210096, China; 3 College of Civil Engineering, Southeast University, Nanjing, 210096, China; 4 College of Civil Engineering and Architecture Henan University of Technology , Zhengzhou, 450001, China)Abstract: The experimental results show that the In-Plane Load-Bearing Behavior of the New-Type Precast fabricated Concrete Diaphragms is strongly influenced by factors like the number and spacing of the connector, the strength of the connector bending reinforcement, but there is no such specific impact on it at present. The effects of the load-displacement curves of the new-type precast fabricated concrete diaphragms were studied, through numerical simulation analysis of it under in-plane force. The concrete strength, the number and spacing of the connector, the strength of the connector bending reinforcement, boundary beam longitudinal reinforcement strength, boundary beam stirrups strength are taken as parameters. On the basis of analysis, the recommendations on the New-Type Precast fabricated Concrete Diaphragms are proposed for design and construction.Keywords: precast fabricated; diaphragm; in-plane
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