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aashto specifiions for crushed stone as backfill materials

AASHTO 57 Stone Specs AASHTO 57 stone as defined by quarries state agencies etc is an opengraded selfcompacting aggregate blend of size 5 6 7 stone This material cannot be compacted in a true sense but can be properly oriented with compaction equipment This is particularly important when using 57 stone under FlexiPave surfaces
As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

  • Construction Waste Crushing Plant

    Feeding Size: 400-1200mm

    Production Capacity: 45-500TPH

    Applied Materials: Limestone, granite, basalt, andesite, iron ore, quartz, diabase, iron ore, gold ore, copper ore,etc.

  • Limonite Ore Processing Plant

    Capacity: 0.18-7 (m ³/min)

    Suitable Materials: Limonite Ore,Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.

    Major Equipment: Jaw crusher, ball mill, sprial classifier, magnetic separator, concentrator machine and dryer machine

  • Lignite Dryer

    Power: 6-45kw

    Application Range: Coal plant

    Production Capacity: 2.5-50TPH

  • Conveyor Belt

    Length: 0–40m

    Input Size: 1.3-2.0 m/s

    Belt Width: 500–1600mm

  • Coconut Shell Pellet Mill

    Forming Degree: 98%

    Mould Material: Alloy steel

    Finial Pellet Length: 5-50mm

  • Rotary Kiln

    Rotation Speed: 0.1–5 r/min

    Production Capacity: 180-10000t/d

    Product Specification: Φ2.5×40m-Φ6.0×95m

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