Our Glass Reinforced Polyester (GRP) jacking pipes offer high axial strength for trenchless micro-tunnelling and relining applications.

GRP jacking pipes are typically utilised in the trenchless construction of water and wastewater pipelines. Other applications include road/rail culverts, ducts, asset encasement and pipe relining.

  • DN300 to DN3000 pipe diameters available.

  • SN20,000 to SN1,000,000 ring stiffness.

  • Stainless steel & GRP coupling options available.

  • Light weight and corrosion resistant.

  • Grout injection nozzles, customised fittings & manholes available.

  • ISO25780 accredited & WSAA appraised.

Overview

Superlit GRP jacking pipes are designed to meet the exacting demands of pipeline construction and rehabilitation using micro-tunnelling and pipe-relining methods.

GRP jacking pipes are recognised for their corrosion resistance, excellent structural characteristics and their and ability to withstand the extreme axial forces imparted during the pipe-jacking process.

Applications

Our GRP jacking pipe is suitable for use in pressure, non-pressure and trenchless applications for potable, non-potable, industrial, drainage and wastewater systems.

  • Water
  • Sewage & wastewater
  • Pipe-relining
  • Road & rail culverts
  • Asset encasement (e.g. protection for pressure pipelines)
  • Ducts

Advantages

The GRP Jacking pipe has been engineered to deliver a range of features and benefits that make it suitable for the applications above, including:

  • Superior axial compressive strength
  • Excellent hydraulic performance
  • Smaller tunnel diameter and reduced spoil volume
  • Lower jacking forces required during installation
  • Smaller entry/exit pits
  • Longer drive lengths
  • Faster construction time and lower installation costs
  • Reduced environmental disturbance and social costs

Range and properties

  • Diameters: DN300 – DN3000
  • Ring Stiffness: SN20,000 – SN1,000,000
  • Pipe lengths: 1m to 5.8m
  • Ultimate Compressive Strength: 85 MPa
  • Jacking Force Safety Factor: 3.5
  • Colebrook-White Co-efficient: 0.01mm

Pipe Stiffness SN (N/m2)
OD (mm)20, 00032,000 40,000 50,000 64,000
IDMassFmaxIDMassFmaxIDMassFmaxIDMassFmaxIDMassFmax
mmkg/mkNmmkg/mkNmmkg/mkNmmkg/mkNmmkg/mkN
345326.42018323.42350321.82469319.42796317.229120
376355.82339352.62778350.629102348.032133345.834160
427404.03084400.435133398.038166395.441202392.844237
530501.646198497.053277494.058328490.863382487.468439
550520.450228515.657311513.062359509.268426505.873485
618584.863330579.472435576.079505572.286580568.492654
650615.070385609.081511606.087574601.895661597.8102743
718679.684459673.098612669.6105690664.8115800660.4125900
820776.0110676769.0127862764.6138978759.21511119754.01631254
860814.0121767806.0141989802.01511099796.41651253790.81791406
924874.0141853866.01631092862.01741211855.61911399850.02061563
960908.0153950900.01751198895.01891352889.02061536883.02231718
1026971.01721118962.02001417957.02151581950.02361810943.62552018
10991040.019813441030.023116991025.024718751017.627021351011.02922364
12291163.024817891153.028421871146.030924631138.033827761130.23663080
12901220.027620491209.031825081202.434327811194.437331101186.64023428
13481275.030122761264.034427551257.037230581248.040834451240.04393786
14341357.033726131344.039332161337.042235381327.646139671318.84984367
14991418.636829011405.042935601398.045938971388.050343751379.05424802
16381550.044034741536.050842161527.055246891516.060452631506.46505761
17201628.048438781612.056547681603.260952531592.066658671582.07156412
18421743.055745821726.065055941717.069861261705.076368311694.08227472
20461936.068858401918.079770311907.086377531894.094086001882.010119378
21602044.076663052026.088175622014.095783942000.010459358
22502129.083269432110.095883252097.0104492632083.0113610267
24532321.098984692300.01142101342286.0124311235
25532416.0106992412393.0124211138
26582515.01161101502493.0133412040
27582610.0124710995
28582704.0134511964
29622803.0143912895
30652901.0153613856