The pouring construction of this product requires mixing with domestic drinking water, with an appropriate amount of water added ranging from 5.7% to 6.7%. The optimal construction environment temperature is 5 ℃ -25 ℃. 一,Construction preparation
1.1 The mold should be installed correctly according to the construction requirements. The mold can be made of 3-6mm steel plates or 12-25m wooden boards. All pouring molds must be flat, rust proof, and free of other impurities adhering to the working surface. The steel plate can be fixed by spot welding, and the wooden board can be fixed with nails, top rods, and iron wires. The gap should be controlled to the minimum, and there should be no material leakage or slurry leakage. The anchoring parts are firmly welded, and any surfaces that may easily absorb water in contact with
the casting material (insulation layer) and the anchoring parts need to undergo anti water absorption treatment. The surface of the template in contact with the pouring material should be coated with release agents such as industrial oil to avoid adhesion between the pouring material and the steel plate during demolding. 1.2 Expansion joints should be strictly set according to the design requirements. In the absence of a design, they should be set at a distance of 1.5-2mm. The pouring in the small area divided by the expansion joint must be completed in one continuous pouring, and the pouring area must not be stopped midway before the pouring is completed
二,Mixing and pouring
2.1 Mixing: Pour in the aggregate and the small bag binder in a dry state and premix for 2 minutes, then slowly add water to reach the appropriate amount of water. Wet stir for about 1-2 minutes (note: excessive mixing water will cause bleeding and segregation of fine materials and aggregates, resulting in a significant decrease in the strength of the pouring material). Observe the slow deformation, collapse, and flow of the mud in the pot. If the ratio is reasonable and the mixing is good, the material can be unloaded and poured.
三,Static curing of pouring materials
3.1 Under normal temperature conditions: The hardening time of the pouring material shall not be less than 12 hours, and the mold shall be demolded 24 hours after pouring. If the pouring volume is large or the ambient temperature is low
四,Note
4.1When the temperature is below 5 ℃, the construction water should be heated to 40 ℃, and heating should also be considered to ensure that the pouring material is in an environment with a temperature not lower than 5 ℃ before its solidification. 4.2 The pouring material must be mixed using a forced mixer, and manual mixing is strictly prohibited. The mixer must be dry and tidy. 4.3 The pouring material should be stored in a dry place for a storage period of 6 months. 4.4 Any type or grade of injection material must be mixed and poured separately, and mixing is strictly prohibited.
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