22Z SPIDER CONCRETE PLACERS
22Z NT TECHNICAL DATA
1.Mass (kg)
In Operation : 10672 kg
Out Of Operation : 9600 kg
2.Load Moments (kN.m)
Moment ( Arm Side)
Position of arms
Moment (Counterweight Side)
Moment (Differential)
I.
In operation
351,05
-139
206,9
II.
109,53
-139,00
-34,63
Out of operation
3.Outrigger load (kN),In Operation
Arm Angle P1 P2 P3 P4
0° 2,83 Kn 52,09 kN 2,83 kN 52,09 kN
45° 87,98 kN 0 0 19,84 kN
ARM ANGLE (0,0)
4.Torque Moments (KN.m)
In Operation : 16 kN.m
Out Of Operation : 6 kN.m
5. Wind Loads
5.1 Wind loads in operation
Spider boom operation is allowed only up to wind force 8 (Velocity 20 m/s, q=0,25 kNlm²)
0,25 kPa
5.2 Wind Loads out of operation
q=Impact pressure (kNm²) A=Wind exposed area (m²) C=Aerodynamic force factor for boom (c=1,3)
Wind load W () W =qxAxc
Impact Pressure q (kN/m²), Out of operation Absolute attitude (m) q (kN/m²,kPa) Wind exposed area (m²)
0 - 8
8-20 0,8
20- 100 1,1
Above 100 1,3
0,5
Wind exposed area
Position of arm ı. ıı. ı. - ıı.
Arm Arm side Counterweight side
6.8 6,2 2,2
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