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高强无收缩灌浆料是在CGM灌浆料多年应用实践的基础上升级改进的第二代无机、高强、早强、微膨胀灌浆材料。                              
　产品特点                              
1.                                早强、高强：1-3天抗压强度可达30-50Mpa以上。                              
2.                                自流性高：可填充全部空隙，满足设备二次灌浆的要求。                              
3.微膨胀性：保证设备与基础之间紧密接触，二次灌浆后无收缩。粘结强度高，与钢筋握裹力不低于6Mpa。                              
4.                                可冬季施工：允许在-10℃气温下进行室外施工。                              
5.                                耐久性强：本品属无机胶结材料，使用寿命大于基础混凝土的使用寿命。经上百万次疲劳试验，50次冻融循环实验强度无明显变化。在机油中浸泡30天后强度明显提高。                              
　产品用途                              
1.适用于机器底座、地脚螺栓等设备以及钢结构（钢轨、钢架、钢柱等）与基础固定连接的二次灌浆。                              
2.                                建筑物的梁、板、柱、基础、地坪和道路的补强、抢修、加固。                              
3.                                可进行地脚螺栓和钢筋的锚固及结构补强。                              
　性能指标                              
项目                              
型号                                抗压强度(MPa)                                竖向膨胀率(%)                                流动度(mm)                                坍                                落                                度(mm)                                钢筋粘结强度(MPa)                                最大骨料粒径                                                              
1d                                3d                                28d                                圆钢                                螺纹钢                                                              
CGM-1（通用型）                                25-50                                45-55                                65-85                                ≥0.02                                240-300                                ----                                ≥6                                ≥13                                6-8目                                                              
CGM-2（加固型）                                25-50                                40-55                                65-85                                ≥0.02                                ----                                240-290                                ≥6                                ≥13                                豆石                                                              
CGM-3（超细型）                                15-30                                27-45                                55-65                                ≥0.02                                240                                ----                                ≥6                                ≥13                                20-38目                                                              
——                                1d                                3d                                28d                                ——                                ——                                ——                                ——                                ——                                ——                                                              
CGM-4（超早强型）                                ≥15                                40-45                                55-65                                ≥0.02                                220                                ——                                ——                                ——                                6-8目                                                              

注：1.抗压强度按：《GB177-85水泥胶砂强度试验方法》；膨胀率按：《GB119-88混凝土外加剂应用技术规范》。                              
2.灌浆层厚度δ≥150mm时，选用CGM-1或CGM-2；灌浆层厚度30mm<δ<150mm时，选用HGM-1或HGM-2；灌浆层厚度δ≤30mm时，选用HGM-1或HGM-3型；路面快速抢修，选用HGM-4型。                              
　拆模和养护时间及环境温度的关系                              
日最低气温（℃）                                拆膜时间（h）                                养护时间（h）                                                              
-10～0                                96                                14                                                              
0～5                                72                                10                                                              
5～15                                48                                7                                                              
≥15                                24                                7                                                              

　施工步骤                              
1.                                准备搅拌机具、灌浆设备、模板及养护物品，清理灌浆空间并提前将混凝土表面润湿。                              
2.                                支设模板并用水泥（砂）浆、塑料胶带封堵模板连接处以确保不漏水、漏浆。                              
3.                                将灌浆料重量的12-15%加水量加水搅拌（机械搅拌2-3分钟，人工搅拌5分钟以上）。                              
4.                                将搅拌均匀的灌浆料从一个方向灌入灌浆部位。必要时可借助竹条或钢钎导流，可适当振捣或轻轻敲打模板。                              
5.                                施工完毕后应立即喷洒养护剂或