ICS 91.060.99 CCS P30/39 江 DB32 苏 省 地 方 标 准 DB 32/T4300—2021 桩基埋管地源热泵系统工程技术规程 Technical standard for Ground source heat pump with buried pipe 2022 - 07 - 07 发布 江苏省市场监督管理局 2022 - 08 - 07 实施 江苏省住房和城乡建设厅发布 DB32/T 4300-2021 目 前 次 言 .............................................................................................................................................................................. II 1 范围 ............................................................................................................................................................................... 3 2 规范性引用文件 ........................................................................................................................................................... 3 3 术语和定义 ................................................................................................................................................................... 3 4 勘 察 与 测 试 ........................................................................................................................................................... 4 4.1 4.2 4.3 4.4 一般规定 ............................................................................................................................................................ 4 工程勘察 ............................................................................................................................................................ 4 桩基埋管热响应测试 ........................................................................................................................................ 5 荷载-温度联合测试........................................................................................................................................... 6 5 材 料 ............................................................................................................................................................................. 6 6 设 计 ............................................................................................................................................................................. 7 6.1 一般规定 ............................................................................................................................................................ 7 6.2 埋管桩基设计 .................................................................................................................................................... 7 6.3 桩基埋管换热系统设计 .................................................................................................................................... 8 7 施 工 ............................................................................................................................................................................. 9 7.1 7.2 7.3 7.4 一般规定 ............................................................................................................................................................ 9 预制空心桩、钢管桩基埋管施工 .................................................................................................................... 9 混凝土灌注桩基埋管施工 ................................................................................................................................ 9 环路集管施工 .................................................................................................................................................. 10 8 检 测 与 验 收 ......................................................................................................................................................... 10 8.1 一般规定 .......................................................................................................................................................... 10 8.2 桩基埋管管路水压试验 .................................................................................................................................. 10 8.3 桩基埋管换热系统的验收 ............................................................................................................................... 11 9 运 行 维 护 ............................................................................................................................................................... 11 9.1 一般规定 .......................................................................................................................................................... 11 9.2 运行监测与维护 ............................................................................................................