H - 60 prestressed pipe pressure slurry construction preparation work before

H - Prestressed pipe pressure slurry H - 60 H - 60 prestressed pipe pressure slurry manufacturer H - 60 prestressed pipe pressure pulp price Construction preparation before 60 prestressed pipe pressure slurry shall meet the following requirements: 1 should be in field laboratory for trial with grouting material and water, and a variety of materials weighing, To the quality plan) Should be accurate to + / - 1%. Through test of serum its various performance indexes should meet the table 7. 9. 3 the requirements of the rear can be used in formal grouting. 2 the hole cleaning. The core-pulling molding channel should be rinsed clean and should make the hole wall completely wet; Metal and plastic pipes, when necessary, should also be washed to remove attached to the hole wall of harmful material. Possible oil inside the channel, etc. , can use known non-corrosive effect of prestressed reinforcement and the pipe neutral washing the seam an agent or soap, diluted with water to wash; Should be used after washing, oil-free compressed air to blow out all the water in the channel. After 3 to grouting equipment cleaning, cleaning equipment should not have residue and water.