1ICS27.140 CCSP59 中华人民共和国能源行业标准 NB/T11569—2024 水工建筑物封缝防渗聚脲应用技术规范 Technicalspecificationforapplication ofsealingandanti-seepagepolyureaforhydraulicstructures 2024—05—24发布 2024—11—24实施 国家能源局 发布 NB/T11569-2024 I目次 前言...............................................................................I 引言..............................................................................II 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4目标、原则和要求.....................................................................3 5封缝防渗聚脲分类及结构...............................................................4 5.1分类.............................................................................4 5.2结构.............................................................................4 6技术指标及室内试验方法...............................................................5 6.1一般要求.........................................................................5 6.2技术指标.........................................................................5 6.3室内试验方法.....................................................................8 7设计与施工..........................................................................11 7.1封缝防渗聚脲结构设计............................................................11 7.2施工技术........................................................................14 8质量检验............................................................................18 8.1过程质量检验....................................................................19 8.2完工质量验收....................................................................20 附录A（规范性）室内试验方法.........................................................22 A.1拉伸性能试验....................................................................22 A.2浸水及拉伸循环疲劳试验..........................................................22 A.3一次覆盖实干时间................................................................25 附录B（规范性）现场制样.............................................................27NB/T11569-2024 IIB.1试件分类........................................................................27 B.2试件尺寸........................................................................27 附录C（规范性）粘结强度检测.........................................................31 C.1正向粘结强度检测................................................................31 C.2封缝防渗聚脲剪切粘结强度检测....................................................34 附录D（规范性）水密性验证试验.......................................................36 D.1试验方法........................................................................36 D.2试验评定标准....................................................................37 D.3结果合格评定....................................................................37 附录E（规范性）混凝土基层处理.......................................................38 E.1混凝土浮浆打磨..................................................................38 E.2混凝土基层表面缺陷修补..........................................................38 E.3混凝土基层裂缝修补..............................................................39 附录F（资料性）施工记录表...........................................................40 附录G（资料性）过程控制质量检验表样.................................................41 附录H（资料性）完工质量验收表样.....................................................46 参考文献..............................................................................47 图1封缝防渗聚脲结构图....................................................................................................................................5 图2嵌填封缝聚脲结构设计示意图..................................................................................................................12 图3表面防渗聚脲结构设计示意图..................................................................................................................13 图4表面防渗聚脲边缘细部设计...............................................................................................................