Standard Rammers

Groundforce offer simple and cost efficient alternative to auger boring for placing steel casing under roads, railways, finished landscapes and other structures. Suitable for installation in either cobble or sandy conditions, compared to conventional casing methods, pipe ramming creates very little ground expansion, can be used close to the surface, cuts down on set-up time, and offers lower equipment costs/reduced maintenance.

Specification

 
Diameter Air Flow (cfm) Air Pressure (psi) Length (mm) Weight (kg)
95mm 68 110 1600 62
130mm 98 110 1674 97
145mm 132 110 2019 138
180mm 235 110 2057 232

Rammer, Steel Casing and Collet Selection Guide

Diameter of Steel Casing Length of Steel Casing to be Rammed Steel Casing ID (mm) Min Recommended Wall Thickness (Inch/mm)
5m 10m 15m 20m 25m 30m
4" 95 130/145 101 - 105 0.188/4.8
6" 95/130 145 180 151 - 159 0.188/4.8
8" 130/145 180 200 - 207 0.250/6.4
10" 145 180 251 - 260 0.250/6.4
12" 180 301 - 311 0.250/6.4

Maximum ramming lengths can vary depending on the  ground conditions. This information should be used as a guide only. Assessment of the ground conditions, selection of the equipment and suitability of the pipe ramming process is the responsibility of the end user.  

Technical Library

Ramming Technical Specification

Ramming Technical Specification

Technical Specification for U Mole Rammers

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Ramming Collet & Pipe Selection

Ramming Collet & Pipe Selection

Technical Specifications of Ramming Collets and Collars

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