· Under the load of a passing train, the bal- .last/foam system yields and, once the train has...

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Transcript of  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has...

Page 1:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 2:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 3:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 4:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 5:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 6:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are
Page 7:  · Under the load of a passing train, the bal- .last/foam system yields and, once the train has gone by, it returns to its original posi- tion. The individual ballast stones are