ICS93.020 CCSP27DB42 湖北省地方标准 DB42/T2515—2026 装配式部分包覆钢-混凝土 组合结构技术规程 Codeofpracticeforassembledpartially-encasedcomposite structuresofsteelandconcrete 2026-02-13发布 2026-06-13实施 湖北省住房和城乡建设厅联合发布湖北省市场监督管理局DB42/T2515—2026 I目次 前言.................................................................................III 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和符号..........................................................................2 4材料................................................................................6 4.1钢材............................................................................6 4.2钢筋............................................................................6 4.3混凝土..........................................................................7 4.4连接材料........................................................................8 5结构设计基本规定....................................................................8 5.1结构体系........................................................................8 5.2设计分析.......................................................................12 5.3变形规定.......................................................................18 5.4一般构造.......................................................................19 6梁设计.............................................................................21 6.1一般规定.......................................................................21 6.2承载力计算.....................................................................23 6.3挠度验算.......................................................................30 6.4裂缝宽度验算...................................................................32 6.5抗震设计及构造.................................................................33 7柱和支撑设计.......................................................................36 7.1一般规定.......................................................................36 7.2轴心受力构件截面承载力计算.....................................................36 7.3轴心受压构件整体稳定计算.......................................................37 7.4单向压弯构件承载力计算.........................................................38 7.5双向压弯构件承载力计算.........................................................43 7.6抗震设计及构造.................................................................45 8剪力墙设计.........................................................................48 8.1基本规定.......................................................................48 8.2承载力计算.....................................................................48 8.3构造要求.......................................................................53 9节点设计...........................................................................58 9.1一般规定.......................................................................58 9.2梁与梁连接.....................................................................58 9.3柱与柱拼接连接.................................................................59 9.4墙与墙拼接连接.................................................................61 9.5梁柱节点.......................................................................62 9.6墙与梁连接节点.................................................................68 9.7墙脚连接节点...................................................................71DB42/T2515—2026 II9.8墙与楼板连接节点...............................................................73 9.9柱脚...........................................................................74 9.10支撑连接......................................................................75 9.11非结构构件与墙连接节点........................................................75 10防护设计..........................................................................76 10.1抗火设计与防火保护............................................................76 10.2防腐设计......................................................................79 11制作安装.........................................................................