空间网格结构装配式节点分类与发展需求
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摘要
空间网格结构装配化发展的关键是装配式节点的研发,国内相关研究起步较晚,亟待更多创新。通过归纳总结网格结构中各种典型的及新发展的装配式节点,分析了其构造特征与现有分类思路,建议研发更完善和实用的分类体系。从节点的功能特性和市场需求出发,针对节点研发提出空间网格结构装配式节点应满足结构适用性、几何适应性、误差容忍性、外观效果和综合经济性要求,并以此为基础,对现有节点的综合性能和推广程度进行分类分析,给出了各类典型节点的定性评价,明确构造组成在节点设计方案中的重要性。通过评价结果与空间网格结构的实际装配化发展水平的对比,印证了所提出的对新型装配式节点性能要求的合理性。总结了网格结构装配式节点发展现状,对其新变化和新趋势进行了展望。
The assembly joints development is the key to breakthrough. Domestic related research started late,and more innovation is needed. Various typical and newly developed assembly nodes were introduced,and their structural features and existing classification concepts were analyzed in detail. Then a more perfect and practical classification system was formed. Starting from the functional characteristics and market demand of the connector,it was put forward that the assembly connectors in the space grid structure should meet the five requirements of structure suitability,geometric adaptability,error tolerance,appearance effect and comprehensive economy. Based on the new demand standards,in order to emphasize the importance of structural composition in the new connector scheme, the comprehensive performance and generalization degree of existing nodes are analyzed by classes,and the qualitative evaluation of various typical connectors is given. Through the comparison of the evaluation results and the actual assembly development level of the space grid structure,it is proved that the performance requirements of the new assembly type joints are reasonable. The development status of assembly connectors in grid structure is summarized,and the new changes and new trends of them are prospected.
The assembly joints development is the key to breakthrough. Domestic related research started late,and more innovation is needed. Various typical and newly developed assembly nodes were introduced,and their structural features and existing classification concepts were analyzed in detail. Then a more perfect and practical classification system was formed. Starting from the functional characteristics and market demand of the connector,it was put forward that the assembly connectors in the space grid structure should meet the five requirements of structure suitability,geometric adaptability,error tolerance,appearance effect and comprehensive economy. Based on the new demand standards,in order to emphasize the importance of structural composition in the new connector scheme, the comprehensive performance and generalization degree of existing nodes are analyzed by classes,and the qualitative evaluation of various typical connectors is given. Through the comparison of the evaluation results and the actual assembly development level of the space grid structure,it is proved that the performance requirements of the new assembly type joints are reasonable. The development status of assembly connectors in grid structure is summarized,and the new changes and new trends of them are prospected.
引文
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[17]施刚,罗翠,王元清,等.铝合金网壳结构中新型铸铝节点受力性能试验研究[J].建筑结构学报,2012,33(3):70-79.(SHI Gang,LUO Cui,WANG Yuanqing,et al.Experimental study on mechanical performance of novel cast aluminum joints in aluminum reticulated shellstructures[J].Journal of Building Structures,2012,33(3):70-79.(in Chinese))
[18]XIONG Zhe,GUO Xiaonong,LUO Yongfeng,et al.Elasto-plastic stability of single-layer reticulated shells with aluminium alloy gusset joints[J].Thin-Walled Structures,2017,115(2):163-175.
[19]范峰,旺敏玲,曹正罡,等.半刚性节点单层球面网壳结构的抗震性能及其设计方法[J].土木工程学报,2010,43(4):8-15.(FAN Feng,WANG Minling,CAO Zhenggang,et al.Seismic behavior and design method of spherical reticulated shellswith semi-rigid joint system[J].China Civil Engineering Journal,2010,43(4):8-15.(in Chinese))
[2]LAN T,CHEN Waifah.Structural engineering handbook:chapter 13:space frame structures[M].Boca Raton:CRC Press LLC,1999:740-755.
[3]KYUNG Ju Hwang.Advanced investigations of grid spatial structuresconsidering various connection systems[D].Stuttgart:University Stuttgart,2010:5-37.
[4]尹德钰,刘善维.钢网壳结构节点型式的综述[J].钢结构,1994,24(2):115-128.(YIN Deyu,LIU Shanwei.A review of the joint type of steel lattice shell structure[J].Steel Structure,1994,24(2):115-128.(in Chinese))
[5]张世良,李凡林,时传斗.大连市青少年宫球幕电影厅及天象馆球形网壳的结构设计[J].建筑结构,1992,22(3):34-36.(ZHANG Shiliang,LI Fanlin,SHI Chuandou.Structural design of spherical reticulated shell of ball curtain movie hall and planetarium in Dalian Youth Palace[J].Building Structure,1992,22(3):34-36.(in Chinese))
[6]尹德钰,刘善维,钱若军.网壳结构设计[M].北京:中国建筑工业出版社,1996:396-415.(YIN Deyu,LIU Shanwei,QIAN Ruojun.Reticulated shell structure design[M].Beijing:China Architecture&Building Press,1996:396-415.(in Chinese))
[7]范峰,曹正罡,马会环.网壳结构弹塑性稳定性[M].北京:科学出版社,2015:1-11.(FAN Feng,CAO Zhenggang,MA Huihuan.Elastoplastic stability of reticulated shell[M].Beijing:Science Press,2015:1-11.(in Chinese))
[8]STEPHAN S,SNCHEZ-ALVAREZ J,KNEBEL K.Reticulated structures on free-form surfaces[J].Stahlbau,2004,73(8):562-572.
[9]范峰,马会环,沈世钊,等.装配式空间结构CP型节点:CN203559492U[P].2014-04-23.(FAN Feng,MA Huihuan,SHEN Shizhao,et al.Assembly space structure type CP node:CN 203559492 U[P].2014-04-23.(in Chinese))
[10]范峰,马会环,江鑫.空间结构半刚性C型节点优化及转动性能试验研究[J].建筑结构学报,2016,37(3):134-140.(FAN Feng,MA Huihuan,JIANG Xin.Optimization of spatial semi-rigid C-joint and experimental study on its rotational resistance[J].Journal of Building Structures,2016,37(3):134-140.(in Chinese))
[11]舒赣平,徐昆,张鹏,等.空间自由曲面网壳钢结构的装配式节点:CN202577600 U[P].2012-12-05.(SHU Ganping,XU Kun,ZHANG Peng,et al.The assembly of the space free curved surface lattice shell steel structure:CN 202577600 U[P].2012-12-05.(in Chinese))
[12]叶永毅,舒赣平,张为民,等.太仓规划展示馆结构设计[J].建筑结构,2013,43(20):1-5.(YE Yongyi,SHU Ganping,ZHANG Weimin,et al.Structural design of Taicang planning exhibition hall[J].Building Structure,2013,43(20):1-5.(in Chinese))
[13]周华樟,祝恩淳,刘志周.胶合木网壳半刚性节点受力性能试验研究[J].建筑结构学报,2015,36(3):106-111.(ZHOU Huazhang,ZHU Enchun,LIU Zhizhou.Experimental investigation on mechanical performance of semi-rigid joints in reticulated glulam shells[J].Journal of Building Structures,2015,36(3):106-111.(in Chinese))
[14]LOPEZ Aitziber,PUENTE I1igo,AIZPURUA Hodei.Experimental and analytical studies on the rotational stiffness of joints forsingle-layer structures[J].Engineering Structures,2011,33(3):731-737.
[15]马会环,范峰,曹正罡,等.半刚性螺栓球节点单层球面网壳受力性能研究[J].工程力学,2009,26(11):73-79.(MA Huihuan,FAN Feng,CAO Zhenggang,et al.Mechanical performance of singlelayer reticulated domes with semi-rigid bolt-ball joints[J].Engineering Mechanics,2009,26(11):73-79.(in Chinese))
[16]曹正罡,陈哲明,万宗帅,等.80 m球径螺栓球节点单层球面网壳稳定性能分析[J].哈尔滨工业大学学报,2015,47(6):1-8.(CAO Zhenggang,CHEN Zheming,WAN Zongshuai,et al.Analysis of stability of 80 m diameter single-layer reticulated dome with boltsphere joints[J].Journal of Harbin Institute of Technology,2015,47(6):1-8.(in Chinese))
[17]施刚,罗翠,王元清,等.铝合金网壳结构中新型铸铝节点受力性能试验研究[J].建筑结构学报,2012,33(3):70-79.(SHI Gang,LUO Cui,WANG Yuanqing,et al.Experimental study on mechanical performance of novel cast aluminum joints in aluminum reticulated shellstructures[J].Journal of Building Structures,2012,33(3):70-79.(in Chinese))
[18]XIONG Zhe,GUO Xiaonong,LUO Yongfeng,et al.Elasto-plastic stability of single-layer reticulated shells with aluminium alloy gusset joints[J].Thin-Walled Structures,2017,115(2):163-175.
[19]范峰,旺敏玲,曹正罡,等.半刚性节点单层球面网壳结构的抗震性能及其设计方法[J].土木工程学报,2010,43(4):8-15.(FAN Feng,WANG Minling,CAO Zhenggang,et al.Seismic behavior and design method of spherical reticulated shellswith semi-rigid joint system[J].China Civil Engineering Journal,2010,43(4):8-15.(in Chinese))