Non Pressure Concrete Pipe Data

As per IS458:2003, Design and Strength Test Requirement for Concrete Pipes is as follows;

NP2NP3NP4
 
Internal Diameter of Pipe
Barrel Wall Thickness
Reinforcement
Strength Test Requirement for Three Edge Bearing Test
Longitudinal, Mild Steel or Hard Drawn SteelSpiral Hard Drawn SteelLoad to produce 0.25 mm crackUltimate Load
Minimum NumberKg/ Linear meterKg/ Linear meterKg/ Linear meterKg/ Linear meter
802560.590.1610.0515.08
1002560.590.1810.0515.08
1502560.590.2410.7916.19
2002560.590.3811.7717.66
2252560.590.4612.2618.39
2502560.590.5812.5518.83
3003080.780.7913.4820.22
3503280.781.1314.4621.69
4003280.781.4915.4523.18
4503580.781.9716.1824.27
5003580.782.4617.1625.74
6004580.783.4718.8828.32
7005081.224.620.3530.53
8005081.226.7121.5732.36
9005581.229.2522.834.2
10006081.7610.6924.2736.41
11006581.7612.7425.538.25
12007081.7615.4726.9740.46
140075122.6420.5729.4244.13
16008012or8+83.5225.432.1248.18
18009012or8+83.5232.7435.0652.59
200010012+125.2845.1437.7656.64
220011012+125.2856.3740.2160.32
 
Internal Diameter of Pipe
Barrel Wall Thickness
Reinforcement
Strength Test Requirement for Three Edge Bearing Test
Longitudinal, Mild Steel or Hard Drawn SteelSpiral Hard Drawn SteelLoad to produce 0.25 mm crackUltimate Load
Minimum NumberKg/ Linear meterKg/ Linear meterKg/ Linear meterKg/ Linear meter
802560.590.161319.5
1002560.590.221319.5
1502560.590.4613.720.55
2003060.590.8114.521.75
2253060.591.0314.822.2
2503060.591.241522.5
3004080.781.815.523.25
3507580.782.9516.7725.16
4007580.783.319.1628.74
4507580.783.7921.5632.34
5007580.784.8223.9535.93
600858 or 6+61.187.0128.7443.11
700858 or 6+61.1810.2733.5250.3
800958 or 6+62.6613.0438.3257.48
9001006+62.6618.343.1164.67
10001156+62.6621.5247.971.85
11001156+6+2.6627.9952.6979
12001208+83.5533.5757.4886.22
14001358+83.5546.2167.06100.6
16001408+83.5565.476.64114.96
180015012+129.3687.186.22129.33
200017012+129.3697.995.8143.7
220018512+129.36133.3105.38158.07
240020012+1214.88146.61114.96172.44
260021512+1214.88175.76124.54186.81
 
Internal Diameter of Pipe
Barrel Wall Thickness
Reinforcement
Strength Test Requirement for Three Edge Bearing Test
Longitudinal, Mild Steel or Hard Drawn SteelSpiral Hard Drawn SteelLoad to produce 0.25 mm crackUltimate Load
Minimum NumberKg/ Linear meterKg/ Linear meterKg/ Linear meterKg/ Linear meter
802560.590.2422.133.15
1002560.590.3622.133.15
1502560.590.7423.334.95
2003060.591.324.636.9
2253060.591.6425.237.8
2503060.591.9825.538.25
3004080.782.7126.439.6
3507580.783.1429.844.7
4007580.783.5233.950.9
4507580.783.8836.955.3
5007580.785.964061.2
600858 or 6+62.349.6346.369.4
700858 or 6+63.4414.3352.278.3
800958 or 6+63.4421.259.389.1
9001006+63.4427.1366.399.4
10001158+86.0435.4872.6108.9
11001158+86.0443.7680.4120.6
12001208+86.0453.0788.3132.4
14001358+89.3677.62104.2156.4
160014012+129.36108.97119.6179.5
180015012+1214.88150.22135.3203
200017012+1214.88151.79135.3203
220018512+1214.88160.9142.2213.3
240020012+1214.88216.96155232.5
260021512+1214.88258.93166.7250