Research Article

Calculation of Friction Force for Slurry Pipe Jacking considering Soil-Slurry-Pipe Interaction

Table 1

Comparison between the calculated frictions and the measured frictions.

Cases123456789101112
MontmorChatenayChampigyNeuilly 1Neuilly 2BordeauxAnthens 1Anthens 2F cityH cityShenyangShanghai

Measured friction (kN/m)6.795.136.699.5510.370.79∼3.9310.416.46.791.5124.6∼5010.59∼17.73
Calculation resultsTerzaghi (Japan)2ε (°)4∼137∼211281∼8125∼1302∼13040∼8740∼8734∼5715∼4622∼7316∼19
μ0.014∼0.0190.017∼0.0240.071∼0.0720.011∼0.0150.151∼0.0990.011∼0.1220.037∼0.0650.037∼0.0650.046∼0.0490.016∼0.0270.029∼0.0770.023∼0.025
Ff0.64∼2.330.59∼1.732.68∼3.420.15∼0.582.25∼3.950.19∼1.782.57∼9.862.57∼9.862.33∼3.940.92∼2.2720.64∼58.097.84∼19.73
Ratio9%∼34%12%∼34%40%∼51%2%∼6%22%∼38%24%∼45%25%∼93%16%∼59%34%∼58%61%∼150%84%∼116%74%∼111%
PJA (UK)2ε (°)15∼2221∼331283∼14125∼1304∼13047∼9947∼9956∼6615∼4637∼8917∼27
μ0.019∼0.0330.024∼0.0450.071∼0.1040.012∼0.0260.094∼0.1580.013∼0.1220.04∼0.0780.04∼0.0780.048∼0.080.017∼0.0260.09∼0.0910.023∼0.031
Ff2.83∼7.402.77∼5.423.15∼5.160.69∼1.775.68∼11.290.49∼5.103.27∼17.633.27∼17.634.69∼8.280.92∼2.2243.77∼109.627.84∼38.64
Ratio42%∼109%54%∼106%47%∼77%7%∼19%55%∼109%62%∼130%31%∼170%20%∼108%69%∼122%61%∼147%178%∼219%83%∼203%
ATVA (Germany)2ε (°)14∼2626∼341284∼14125∼1305∼13050∼10550∼10559∼6616∼4934∼9018∼29
μ0.024∼0.0290.027∼0.0450.071∼0.1040.012∼0.0260.094∼0.1580.014∼0.1220.041∼0.0820.041∼0.0820.05∼0.080.017∼0.0270.04∼0.0920.024∼0.033
Ff3.53∼7.723.72∼5.653.69∼6.170.89∼1.707.05∼10.990.7∼8.763.63∼22.913.63∼22.915.28∼8.411∼2.5246.83∼115.239.78∼40.57
Ratio52%∼114%72%∼110%55%∼92%9%∼18%68%∼106%88%∼223%35%∼220%22%∼140%78%∼124%66%∼167%190%∼230%92%∼229%