大跨钢结构技术标准黑龙江省地方标准 DB23/T3919-2024 2024–12-30发布 2025-1-31实施 黑龙江省住房和城乡建设厅 联合发布 黑龙江省市场监督管理局ICS93.020 CCSP26DB23 DB23/T3919—2024 I目次 前言.................................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................2 4基本规定.............................................................................4 5材料要求.............................................................................5 6荷载作用.............................................................................6 6.1基本荷载、地震作用及偶然荷载....................................................6 6.2风荷载.........................................................................7 6.3雪荷载.........................................................................7 6.4覆冰荷载......................................................................12 6.5温度作用......................................................................12 7结构体系与构件设计..................................................................12 7.1平面梁式结构..................................................................12 7.2平面桁架结构..................................................................13 7.3门式刚架结构..................................................................13 7.4空间网格结构..................................................................14 7.5预应力钢结构..................................................................14 7.6膜结构........................................................................14 8节点计算与构造......................................................................15 8.1节点承载力计算................................................................15 8.2构造设计......................................................................15 9抗震与减隔震设计....................................................................16 9.1抗震设计......................................................................16 9.2隔震设计......................................................................16 9.3减震设计......................................................................16 10围护结构设计.......................................................................17 10.1屋面与墙面板.................................................................17 10.2檩条与墙梁...................................................................17 11钢结构防护.........................................................................17 11.1防火设计.....................................................................17 11.2防腐设计.....................................................................18 12施工及验收.........................................................................19 12.1制作与安装...................................................................19 12.2检测与验收...................................................................20 DB23/T3919—2024 II13运维与改造.........................................................................21 13.1一般规定.....................................................................21 13.2检查与维护...................................................................22 13.3检测与鉴定...................................................................23 13.4改造与拆除...................................................................24 14监测...............................................................................25 14.1一般规定.....................................................................25 14.2监测内容.....................................................................26 附录A（规范性）大跨钢结构技术状况分类.................................................28 A.1分类原则......................................................................28 A.2分类标准......................................................................28 附录B（资料性）大跨钢结构检查记录表...................................................31 B.1承重结构......................................................................31 B.2围护结构....