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.