Page 105 - Trenchless Technology Piping Installation and Inspection

(Z/2H s ) b or (1.5/H s ) d
0.6 5.0 2.0 1.5 1.2 1.0 0.9 0.8 0.7 0.128 0.124 0.121 0.117 0.112 0.108 0.103 0.097 0.089 0.248 0.244 0.238 0.229 0.219 0.211 0.202 0.189 0.174 0.360 0.355 0.345 0.333 0.318 0.306 0.292 0.274 0.252 0.460 0.454 0.440 0.425 0.405 0.391 0.373 0.349 0.320 0.548 0.540 0.5

0.5 0.079 0.155 0.224 0.284 0.336 0.379 0.414 0.441 0.463 0.481 0.505 0.525 0.540 Source: “WPCF Manual of Practice No. FD-5, Gravity Sanitary Sewer Design and Construction,” 1982, by ASCE and WPCF.

0.4 0.067 0.131 0.190 0.241 0.284 0.320 0.349 0.373 0.391 0.405 0.425 0.440 0.454 a X/2H s = Distributed load width (ft) divided by twice the depth to the top of liner pipe (ft) b Z/2H s = Distributed load width (ft) divided by twice the depth to the top of liner pipe (ft) c B c /2H s = Outside di

0.3 0.053 0.103 0.149 0.190 0.224 0.252 0.274 0.292 0.306 0.318 0.333 0.345 0.355 Load Influence Coefficients for Live Loads

0.2 0.037 0.072 0.103 0.131 0.155 0.174 0.189 0.202 0.211 0.219 0.229 0.238 0.244 d 1.5/H s = 1.5 divided by depth to the top of liner pipe (ft)

0.1 0.019 0.037 0.053 0.067 0.079 0.089 0.097 0.103 0.108 0.112 0.117 0.121 0.124

(X/2H s ) a (B c /2H s ) c 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.5 2.0 Distribution load Concentrated load TABLE 2.12

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