Equipment Layout

Marshall testing equipment configuration and laboratory setup per ASTM D6927

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Marshall Test Equipment

Complete loading, compaction, and conditioning setup

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Marshall Compactor

Type: Mechanical (rotating base)
Hammer: 4536 g (10 lbs)
Drop: 457 mm (18 in)
Blows: 75 per side
Base Rotation: 30 rpm

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Loading Frame

Capacity: 50 kN (11,250 lbf)
Rate: 50.8 mm/min (2 in/min)
Accuracy: ±1% of reading
Display: Digital load cell
Data: PC interface (USB)

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Flow Meter

Range: 0-15 mm (0-60 units)
Resolution: 0.25 mm (1 unit)
Type: Dial or digital
Mount: On breaking head
Zero: Auto-tare function

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Water Bath

Temp: 60°C ± 1°C (140°F ± 1.8°F)
Capacity: 6-12 specimens
Circulation: Forced convection
Timer: 30-40 min soak
Material: Stainless steel

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Specimen Extruder

Type: Hydraulic or mechanical
Force: Up to 50 kN
Speed: Adjustable
Mold: 101.6 mm ID
Safety: Guard interlock

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Ancillary Equipment

Molds: 101.6 mm × 75 mm
Scales: 5 kg × 0.1 g
Thermometers: 0-200°C range
Calipers: Digital, 0.01 mm
Oven: Forced draft, 150°C

Laboratory Layout Recommendations

▸ Compaction area: Isolated vibration zone, level concrete floor
▸ Conditioning bath: Adjacent to loading frame, minimal transport distance
▸ Sample prep: Clean area with mixer, oven, scales within 5m
▸ Data station: PC with test software, UPS backup
▸ Safety: Emergency stops on all powered equipment, PPE stations
▸ Calibration: Annual NIST-traceable for load cell, flow meter, thermometers

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