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Revision of Place Concrete from Wed, 2009-07-15 11:03

Posted Wed, 2009-07-15 11:03 by PP Admin

Barrowing Concrete (m3/hr).

Receive concrete from mixer/lorry direct to barrow, wheel to placing position, tip and return.

Distance 0 - 10 m 2.32
  10 - 20 m 1.81
  20 - 50 m 1.08

As above but including load concrete from deck/tray.                 
Distance 0 - 10 m 0.99
  10 - 20 m 0.87
  20 - 50 m 0.66
 Extra over to place direct, for dump and shovel in from side, a typical rate of 0.26 hrs/m3. Direct From Ready Mix Lorry (m3/hr).

Type Ready Mix Via Dumper Via Dumper
  Tip Direct Tip Direct Thrown In
Mass Fill 3.12 2.56 1.49
50mm Blinding 1.27 1.06 0.82
Ground Beams ne 0.1 m2 SA 1.52 1.30 1.00
Ground Beams ex 0.1 m2 SA 1.69 1.49 1.16
Pile Caps ne 0.1 m2 SA 1.16 1.06 0.79
Pile Caps ex 0.1 m2 SA 2.56 2.13 7.69
Duct Walls 0.78 0.71 0.52
Stub Columns 0.43 0.39 0.29
Ground Slab ne 155 mm 2.13 1.82 1.22
Ground Slab 150-300 mm 2.33 1.96 1.27
Ground Slab 300-500 mm 2.56 2.13 1.35
Drains, Bed & Cover 0.91 0.85 0.73

  By Lorry Mounted Concrete Pump (m3/hr).  

  Thickness --> 13.5 m3/hr 18 m3/hr
       
Solid Slabs ne 100 mm 2.17 2.63
  100 - 150 mm 2.44 2.94
  150 - 200 mm 2.63 3.23
  200 - 300 mm 2.86 3.45
  300 - 500 mm 3.23 3.85
Coffered Slabs   1.64 1.82
Columns 0.5 - 0.10 m2 1.59 1.59
  exc 0.10 m2 1.82 1.82
Wall ne 150 mm 1.61 1.89
  150 - 225 mm 1.89 2.33
  exc 225 mm 2.56 3.23
Independent Beams   1.54 1.54
Stairs and Landings   1.27 1.89

 

  By Dumper, From Ready Mix Lorry To Position (m3/hr).                
Dumper Capacity --> 0.6 m3 0.8 m3 1.2 m3 1.5 m3 2.3 m3
0 - 20 m 10.41 14.08 18.82 25.00 33.33
20 - 50 m  9.09 12.36 16.39 22.22 29.41
50 - 100 m  7.29 10.41 13.88 18.86 25.00
100 - 250 m  5.78  7.87 10.00 13.51 18.18
250 - 500 m  3.65  4.95  8.33  8.95 12.35
500 - 750 m  2.16  2.92  4.27  5.43  7.87
750 - 1,000 m  -  -  -  3.97  5.78
 By Tower/Mobile Crane (m3/hr).                                                       
    0.4 m Skip 0.6 m Skip 0.8 m Skip
Pile Caps SA ne 2 m2 1.19 1.39 1.61
Mass Fill Pours SA 2-5 m3 1.75 2.04 2.33
  ne 10 m3 3.70 4.17 4.76
  10-25 m3 4.00 4.55 0.84
  exc 25 m3 4.35 5.00 5.86
Slabs ne 100 mm 0.90 1.09 1.21
  100-150 mm 1.09 1.31 1.47
  150-200 mm 1.26 1.53 1.69
  200-300 mm 1.26 1.53 1.69
  Exc 300 mm 1.38 1.66 1.85
Trough & Coffered Slabs   0.95 1.09 1.21
Structural Topping ne 100 mm   0.90 1.09 1.25
Stairs & Landings   0.64 0.64 0.64
Blinding ne 150 mm 0.88 1.00 1.10
Beams SA 0-0.05 m 0.52 0.58 0.69
  SA 0.05-0.1 m 0.58 0.65 0.78
  SA ex 0.1 m 0.76 0.85 1.02
Walls ne 100 mm 0.64 0.76 0.88
  100-150 mm 0.76 0.92 1.05
  150-300 mm 0.95 1.11 1.28
  exc 300 mm 1.10 1.28 1.47
Columns SA ne 0.05 m2 0.43 0.45 0.48
  SA 0.05-0.1 m2 0.48 0.50 0.54
  SA ex 0.1 m2 0.51 0.53 0.57

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