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Apr 30, 2026Concrete quality control standard - raw material control
The 1.1 varieties of cement and the strength grade should be determined according to the environment design, construction requirements and engineering. For ordinary concrete building structures and precast, should adopt the common portland cement; high strength concrete and frost resistance of concrete requirements should be used in
- Apr 30, 2026
Discussion on the warranty period of cement and concrete
Cement and food will also expire, once the expired cement particles will be damped, resulting in hydration, making the bonding capacity decline. There will be safety hazards after use. But before the cement expires, there is a shelf-life first. The storage period of cement is three months before it is used.
- Apr 30, 2026
Grade maintenance of concrete mixer
Daily maintenance of Blender: 1 maintain body cleanliness and remove dirt and obstructions on the body. 2 check the oil and circuit and control equipment at each lubrication point and fill the lubricating oil as required. Before each shift, add water...
- Apr 30, 2026
Shandong Hongfa: the advantage of hydraulic block forming machine?
Today, we follow Shandong Hongfa staff to understand the technical advantages of hydraulic block forming machine compared with other brick machines, so that we can better understand the relevant knowledge of block forming machine:
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