ICS 91.100.30 CCS P 66 37 山东省 地方标准 DB37/T 4874—2025 超高性能混凝土应用技术规范 Technical specification for application of ultra -high performance concrete 2025 - 07 - 29发布 2025 - 08 - 29实施 山东省市场监督管理局 发布 DB37/T 4874—2025 I 目次 前言 ................................................................................ III 1 范围 ............................................................................... 1 2 规范性引用文件 ..................................................................... 1 3 术语、定义和符号 ................................................................... 1 术语和定义 ..................................................................... 1 符号 ........................................................................... 2 4 基本性能与分级 ..................................................................... 3 通用要求 ....................................................................... 3 抗拉性能 ....................................................................... 3 抗压性能 ....................................................................... 3 抗渗性能 ....................................................................... 3 扩展度 ......................................................................... 4 分级标记 ....................................................................... 4 5 原材料 ............................................................................. 4 胶凝材料 ....................................................................... 4 骨料 ........................................................................... 4 外加剂 ......................................................................... 5 纤维 ........................................................................... 5 水 ............................................................................. 5 6 制备 ............................................................................... 5 通则 ........................................................................... 5 材料贮存 ....................................................................... 5 原材料计量 ..................................................................... 6 配合比设计 ..................................................................... 6 7 施工 ............................................................................... 6 通则 ........................................................................... 6 搅拌 ........................................................................... 6 运输 ........................................................................... 7 浇筑及振捣 ..................................................................... 7 养护 ........................................................................... 7 8 质量检验 ........................................................................... 7 通用要求 ....................................................................... 7 拌合物及硬化后性能检验 ......................................................... 7 附录A（规范性） 超高性能混凝土单轴抗拉强度试验方法 ................................... 9 A.1 概述 ........................................................................... 9 A.2 试件要求 ....................................................................... 9 A.3 试验设备 ....................................................................... 9 A.4 试件制备 ...................................................................... 10 DB37/T 4874—2025 II A.5 试件加载 ...................................................................... 10 A.6 试验结果计算 .................................................................. 10 附录B（规范性） 超高性能混凝土抗渗性能试验方法 ...................................... 12 B.1 概述 .......................................................................... 12 B.2 试验原理 ...................................................................... 12 B.3 试件尺寸和数量 ................................................................ 12 B.4 试件制作 ....................................................