The standard of gravel material for mixing station
Gravel material according to different areas of use, there are different implementation standards, what are the standards for gravel material for mixing plant, and which gravel machine can produce this kind of gravel material?
The standard of gravel material for mixing station (Note: in each country and region are not the same, the following to my company's region as an example, if you need to know the local standards can consult customer service.) : The sand and gravel used in the mixing station refer to the Standard for Quality and Inspection Methods of Sand and Stone for Ordinary Concrete (JGJ52-2006) for quality control, and for the sand and gravel suppliers, “Sand for Construction” (GB/T14684-2011) and “Pebbles and Gravel for Construction” (GB/T14685-2011) are used as the basis for the delivery and inspection.
To summarize the standard of sand and gravel for mixing plant, the selection of sand, coarse or medium sand is preferred, the fineness modulus is 3.0 to 2.3, and its amount through the 0.315mm sieve is not less than 15%.
Crushed stone acceptance should be in the range of 0.5-1, 1-2, 2-3 particle grading, if pebbles, the maximum particle size for acceptance should be in the range of 5-25 particle grading and well graded, pumping concrete crushed stone size is not greater than 1/3 of the inner diameter of the conveying pipe, and pebbles are not greater than 2/5.
Which kind of gravel machine can produce gravel material for mixing station?
According to the above data, if you want to produce sand and gravel in line with the standard of mixing plant, it is recommended to directly select the sand and gravel with the production line. For the choice of gravel machine, if your feed is not too big, you can directly choose a single crushing mode, such as heavy hammer gravel machine, if the specification of the raw material is relatively large, or strict requirements on the taste of the material, you can choose a different gravel machine for grading and crushing.
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