junk and stapelbarer, rigid chair with a frame of steel tube od. etc.

• 1. 一种具有较强稳定性椅子脚框架的椅子框架 [P] . 中国专利： CN208582014U . 2019.03.08
• 2. 一种带BRB安装埋件的装配式框架梁柱刚性节点 [P] . 中国专利： CN112554336A . 2021-03-26
• 3. chair from continuous bent steel tube od. etc. [P] . AT134227B . 1933-07-25

  机译： 椅子由连续弯曲的钢管外径制成。等等

• 4. Disassembled - and stackable, rigid chair with a frame made of steel tube or the like. [P] . 德国专利： DE1102987B . 1961-03-23

  机译： 可拆卸-可堆叠的刚性椅子，带有由钢管或类似材料制成的框架。

• 5. Steel tube chair, - chair od. The like. sitzmobel. [P] . 德国专利： DE1862174U . 1962-11-15

  机译： 钢管椅，-椅子。类似。西兹莫贝尔。

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• 2. Progressive Collapse Analysis of Concrete-Filled Steel Tubular Frames with Semi-rigid Connections [J] . XU Man, ZHANG Sumei, GUO Lanhui, 天津大学学报（英文版） . 2011,第006期
• 3. Effects of interface slip and semi-rigid joint on elastic seismic response of steel-concrete composite frames [J] . QI Jing-jing, JIANG Li-zhong 中南大学学报（英文版） . 2010,第006期
• 4. DOUBLE-Y RIGID FRAME CURVE STEEL TUBE CONCRETE BRIDGE [C] . Li Yong, Guo Shuai, Yang Xinwang, International Conference on Steel-Concrete Composite and Hybrid Structures; 20060812-14; Harbin(CN) . 2006
• 5. Seismic Performance of Steel Moment Frame Office Buildings with Square Concrete-filled Steel Tube Columns in the Gravity Framing as a Secondary Lateral Force Resisting System [D] . Pakwan, Nipun. 2018
• 6. Rigid Finite Element Method in Modeling Composite Steel-Polymer Concrete Machine Tool Frames [O] . Paweł Dunaj, Krzysztof Marchelek, Stefan Berczyński, 2020
• 7. Design optimization of semi-rigid plane steel frames with semi-rigid bases using biogeography-based optimization and genetic algorithms [O] . Osman Hamdy 2019
• 8. Sfd-2: Structural Frame Design. A Computerized System for the Analysis and Design of Multi-Story Rigid Frame Steel Structures [R] . Geschwindner, L. F. 1970

• 1. Performance of Rigid Steel Frames under Adequate Soil Conditions Using Seismic Code Provisions [J] . Muhammad Tayyab Naqash ,Qazi Umar Farooq . 土木工程期刊（英文） . 2018,第2期
• 2. Effects of interface slip and semi-rigid joint on elastic seismic response of steel-concrete composite frames [J] . 戚菁菁 ,蒋丽忠 . 中南大学学报 . 2010,第006期
• 3. 半刚性钢管混凝土框架抗震性能试验研究 [C] . WANG Jingfeng ,王静峰 ,WANG Jiaxin . 中国钢结构协会混凝土组合结构分会第15次学术会议 . 2015
• 4. 带复合墙板半刚性钢管混凝土框架结构的抗震性能研究 [A] . 李金超 . 2013