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Select 4 to 5 stacks from each lot Using a hay probe with a 24 inch barrel collect 3 subsamples per stack Collect the subsamples from the side of each selected stack as shown in this figure The top sample should be taken two feet from the top edge of the stack and the bottom sampleGet Price
Jan 06 2015 · This is a nonmechanical method of reducing a sample Aggregate sample reduction using Quartering method Steps or Procedure for Quartering Place the original sample in the center of a clean dry steel plate or other hard smooth nonabsorptive surface Thoroughly mix the aggregate and using a scoop or any suitable tool and form a coneshaped pileGet Price
Accurate sampling is a core requirement for any wellrun minerals or cement operation Having results you can trust allows you to make better process and quality control decisions for your business We have been supplying sampling systems to the mining and cement industries for many decadesGet Price
Sample preparation method and Laboratory sampling procedures involve either Coning and Quartering or Riffling Method Coning and Quartering for sample preparation techniquesmethod The method which is used for sampling large quantities of material say 20kg consists of pouring or forming the material into a conical heap upon a solid surface eg a steel plate and relying on radial symmetryGet Price
The aggregates used in the production of concrete are inert granular materials such as gravel crushed stone sand slag recycled concrete and geosynthetic aggregates The aggregates may be natural manufactured or recycled The aggregates are broadly classified into two types based on the size namely fine aggregate and coarse aggregate In this article we discussGet Price
The aggregates used for surface dressing may have the absorption values between 01 to 20 the other handthey may posses a value of 40 percent when they are used in base course generally 06 absorption value is considered to be the standard value for the aggregatesGet Price
Figure 1521Potecting a sample in a CBR mold Figure 1522Halving the sample shown in figure 1521 If the samples are to be transported some distance or will be handled quite a bit before testing you should wrap them in cloth and soak them in paraffin layers QUARTERING SAMPLES The process of reducing a representative soil sample to a convenient size or of dividing a sample into twoGet Price
AASHTO R 90ASTM D75Sampling Aggregates AASHTO R 76ASTM C702C702MReducing Samples of Aggregate to Testing Size AASHTO T 11ASTM C117Materials Finer Than 75µm No 200 Sieve in Mineral Aggregates by Washing AASHTO T 27ASTM C136Sieve Analysis of Fine and Coarse AggregatesGet Price
Feeding Size: ＜50mm
Applied Materials:River gravel, limestone, granite, basalt, diabase, andesite and so on.
Feeding size:≤25-≤30 mm
Applied Materials:Limestone, granite, basalt, andesite, iron ore, quartz, diabase, iron ore, gold ore, copper ore,etc.
Processing Ability: 770-2800TPH
Rotation Rate:2.5~6 r/min
Applied Materials:Iron ore, copper ore, gold ore, river gravel, limestone, granite, basalt, diabase, andesite, etc.
Feeding Size:Less than 190mm
Feeding Granularity: 35-60mm
Production Capacity: 12-360TPH
Feeding Size: ≤25-≤100mm
Production Capacity: 5-100t/h
Applied Materials: River gravel, iron ore, limestone, quartz, granite and other medium or hard ores and rocks.
Feeding Size: 65-300mm
Discharging Size: 3-60mm
Production Capacity: 12-1000TPH
Processing Specifications: 6-20mm
Yield: 2.8-3.6 tons/hour (crude fiber)
Pellet Making Temperature: 80-100(Celsius)
Feeding Granularity: 300-700mm
Production Capacity: 30-550TPH
Discharging Size:0.125- 0.044mm