Development of Rational Design Method of Steel-Concrete Sandwich Structures

钢-混凝土夹层结构合理设计方法的发展

• 批准号: 06555123
• 负责人: UEDA Tamon
• 金额: $ 6.53万
• 依托单位: Hokkaido University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research (B)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-06555123/
• 关键词: Composite structure; Sandwich structure; Design method; Shear; Fatigue; Shear connector; Buckling; Construction system

In this research it was attempted to develop a rational design method considering the difference in concreting from ordinary structures. The research results are summarized as follows.(1) Based on the experiment and the finite element analysis, the shear resisting mechanisms of the full and open sandwich linear members has been clarified and models for evaluation of their shear strengths are developed.(2) The cracking behavior, strength and stiffness in torsion of the open sandwich plate are clarified.(3) Conduction both the experiment and finite element analysis, the failure modes of the sandwich linear members subject of shear fatigue have been clarified and the calculation method for the shear fatigue failure.(4) Calculation methods for the buckling strength and the post-buckling strength of the compression skin plate are proposed by conducting the numerical and experimental analyzes.(5) Conducting the experiment and the numerical analyzes on the bond between skin plate and concrete in the cases of the skin plate with embossment and openings, the bond-slip characteristics as well as the bond strengths are clarified.(6) The strength of the corner connections has been experimentally clarified and it is clarified that the finite element analysis can predict the experimental results.(7) The maximum size of air voids in an actual sandwich structure is clarified by conducting the experiment of the construction. The degree of the strength reduction is clarified by the loading test of the sandwich beams with the air void of the maximum size.(8) A construction system to avoid air voids is proposed by conducting simple tests for concrete compactability.(9) After investigating the applicability of the sandwich structures to floating structures, the items to be solved are presented.

在本研究中，考虑到混凝土与普通结构的差异，试图开发一种合理的设计方法。主要研究成果如下：(1)基于试验和有限元分析，明确了全夹芯线材和开式夹芯线材的抗剪机理，建立了其抗剪强度评估模型。(2)明确了开式夹芯板的开裂行为、强度和扭转刚度。(3)通过试验和有限元分析，得出了夹芯线材的失效模式。 (4)通过数值和试验分析,提出了受压蒙皮板屈曲强度和屈曲后强度的计算方法。(5)对带压花和开孔蒙皮板与混凝土的粘结力、粘结滑移特性以及粘结力进行了试验和数值分析。 (6)通过实验明确了角部连接的强度，并明确了有限元分析可以预测实验结果。(7)通过进行结构实验，明确了实际夹层结构中气孔的最大尺寸。通过对具有最大尺寸气孔的夹层梁进行加载试验，明确了强度降低的程度。(8)通过对混凝土的密实性进行简单的试验，提出了避免气孔的施工系统。(9)在研究了夹层结构对浮动结构的适用性后，提出了需要解决的问题。

项目成果

園田恵一郎・鬼頭宏明・柳原康男: "鋼・コンクリートサンドイッチ部材における圧縮鋼板の終局強度特性" 土木学会論文集. No.525/I-33. 39〜53 (1995)

Keiichiro Sonoda、Hiroaki Kito、Yasuo Yanagihara：“钢-混凝土夹层构件中压缩钢板的极限强度特性”日本土木工程师学会会议记录第 525/I-33 (1995)。

Dongshao GAO,Kenji NISHIUMI,Zhishen WU and Atsuhiko MACHIDA: "Discontinuous Finite Element Analysis on Bonding Mechanism between Holed Steel Plate and Concrete" Proceedings of JCI. Vol.18, No.2. 347-352 (1996)

Dongshao GAO、Kenji NISHIUMI、Zhishen WU 和 Atsuhiko MACHIDA：“孔钢板与混凝土粘结机理的不连续有限元分析”JCI 论文集。

Osamu KIYOMIYA,Hideo KIMURA and Hideo WATANABE: "Mechanical Properties of Incompletely Filled Composite Steel and Concrete Sandwich Members" Proceedings of The 3rd Symposium on Research and Application of Composite Constructions. 61-66 (1995)

Osamu KIYOMIYA、Hideo KIMURA、Hideo WATANABE：“不完全填充复合钢与混凝土夹层构件的力学性能”第三届复合结构研究与应用研讨会论文集。

Naoki MASUI and Yasushi FUJITA: "State-of-the-Art Report on Technology for Floating Bridges in Overseas" Bridge Engineering. Vol.32, No.1. 56-65 (1996)

Naoki MASUI 和 Yasushi FUJITA：“海外浮桥技术最新报告”桥梁工程。

M.Zahran,T.Ueda and Y.Kakuta: "A Study on the Fatigue Strength of Steel-Concrete Sandwich Beams with Shear Reinforcement" Proceedings of the Japan Concrete Institute. Vol.18(登載予定). (1996)

M.Zahran、T.Ueda 和 Y.Kakuta：“抗剪钢筋钢-混凝土夹层梁的疲劳强度研究”日本混凝土学会论文集第 18 卷（即将出版）。