bearing grouting material
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CONSTRUCTION PROCESS 3. Before grouting, the air heater shall be used to blow hot air and preheat the prestressed pipeline, so as to improve the safety and reliability of the structure. 4. The amount of materials used each time shall be reasonably calculated according to the construction speed, and the construction shall be completed within the specified time. After grouting, the equipment and machines shall be cleaned in time. 5. When the temperature is low, appropriate maintenance measures shall be taken, such as thermal insulation treatment for mixing and grouting machines and tools and both ends of the bridge. The ambient CGM-320A bearing grouting material is used for precast simply supported box girder bowl-shaped rubber temperature shall be controlled above - 10 ℃ by setting up a bearing gravity grouting, cast-in-place beam bridge bowl-shaped rubber bearing gravity grouting, and warm shed. Before grouting, the prestressed pipeline shall be preheated by blowing hot air through the air grouting between the bearing bottom plate and the pier support pad stone. heater to ensure that the temperature in the pipeline is above - 10 ℃. M50 dry hard non-shrinkage mortar is used for prefabricated multi-piece T-beam bowl-shaped rubber 6. After grouting, the ambient temperature of the beam body shall be kept above - 10 ℃ for more than 12 PRODUCT HIGHLIGHT PACKAGE 1. Super high early strength, excellent fluidity, 2. Compactness, no shrinkage, no rust, no metal aggregate, Packed in composite kraft paper bags with a net weight of 4okg / bag and a shelf life of 12 months. It must be stored in a dry and ventilated room, and the packaging bag shall be sealed. Avoid moisture and freeze. 3. Long working time, economy, 4. Convenience of construction. It does not contain chloride. CONSTRUCTION PROCESS 1. Install the support on the bottom of the beam. When installing, the symmetrical centerline of the support should coincide with the symmetrical centerline of the beam bottom plate, and the deviation should not be greater than 0.5mm. 2. Tighten the support bolts one by one, and the tightening degree of each bolt should be basically the same. 3. After the bolts are tightened, there should be no gap between the support and the beam support plate. 4. Install the anchor bolts in the anchor bolt holes of the support. The length of the bolt nut should be 0.25 times the diameter of the bolt. Tighten the nut and sleeve bolt to prevent leakage at the joint between the sleeve bolt and the support bottom surface. 5. Mark out the longitudinal and transverse symmetrical support centerlines on the supporting pad stone. Roughen the surface of the supporting pad stone, remove debris left in the anchor bolt hole, wet it with water but do not have obvious water during construction. 6. Then lay a layer of 20-30mm thick M50 dry hard non-shrinkage mortar on top of the supporting pad stone and compact it to make it flat. Pay attention to consider the amount of mortar after beam laying when marking sand award height. Remove debris left in anchor bolt . Sino-sina Building Materials Co.,Ltd. | www.wcrete.com | info@wcrete.com | +86 15373872353 epoxy resin

CONSTRUCTION PROCESS holes and inject CGM-320A into supporting pad stone 15mm below top surface of supporting pad stone within 30 minutes before beam laying. The slurry is prepared according to a powder-to-water ratio of 1:0.160.01 (by weight). First add water to a mixing bucket, then gradually add weighed grouting material while stirring with an electric stirring gun while feeding until all powder is added, then continue to stir for 23 minutes to make it uniform. The stirred slurry should be injected within 25 minutes. During beam laying, make sure that the centerline of support coincides...