ACI SPEC-548.13-21 PDF DownloadLoad
《ACI SPEC-548.13-21：多组分环氧胶粘结混凝土技术规范》PDF下载
规范针对**新旧混凝土、钢材及其他材料**与**硬化混凝土**的结构性粘结，给出采用**ASTM C881/C881M多组分环氧胶**的完整施工流程：基层评估与处理（含水率≤6%、露砂CSP 3-5）、混合比偏差≤2%、施工温度5-35 ℃、可操作时间15-20 min，要求**拉拔粘结强度≥2.5 MPa**、**线性收缩≤0.04 %**；含标签、储运、安全、QC/QA及批量拉拔抽检要求，适用于**桥梁拼宽、楼板加层、柱梁包覆及预制拼装湿接缝**等快速加固与修复工程。
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