NR TWI 2T007
How to Carry out Measured Shovel Packing (MSP)
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| Organization: | NR |
| Publication Date: | 1 February 2014 |
| Status: | active |
| Page Count: | 18 |
scope:
Overview
Ballast spreads the load from traffic trough a load bearing pyramid which under the passage of trains, are subjected to dynamic loads. If left unchecked these loads can result in voiding and then cause poor geometry in the form of twist or cyclic top faults.
Document History
NR TWI 2T007
February 1, 2014
How to Carry out Measured Shovel Packing (MSP)
Overview
Ballast spreads the load from traffic trough a load bearing pyramid which under the passage of trains, are subjected to dynamic loads. If left unchecked these loads can result in voiding...