Over Bitumen Road
|Features||Rubber Road||Bitumen Road|
|Check Rail & Other Accessories||Not Required||Required|
|Cost of Periodical Maintenance||Very Low||Very High|
|Shock Absorption Generated By Rail||Very High||Nil|
|Expected Service Life||Expected minimum 10 Years in Indian condition||1-2 Year|
|Ease of Track Maintenance (Full track)||Very Good||Nil|
|Ease of Track Maintenance (At any part)||Very Good||Nil|
|Ease of Machine Packing of Track||Possible||Not Possible|
|Removal & Reinstate Time Of Full Crossing||Maximum 2 hours||Not possible|
|Load Bearing Capacity||Very High||Comparatively Low|
|Resistance To Water||Very High||Poor|
|Resistance to Chemicals||Very High||Moderate|
|Resistance To Electricity (Current & Static)||Very High||Poor|
|Performance On Distorted Track||Very Good||Poor|
|Skid Resistance||Very High||Poor|
|Environmental Resistance||Very Good||Comparatively Low|
Over Concrete Block Road
After the demise of the old timber crossings, railways were limited to using concrete and bituminous road surfaces at level crossings. Since bituminous crossings were no longer deemed to withstand traffic loads and meet safety requirements and so concrete platforms became the alternative standard.
However, across the world there is a growing trend in the railways to replace concrete bitumen or concrete surfaces with rubber crossing systems. We examine why
- Highly safe than concrete blocks.
- Long service life.
- Lighter in weight, easy to handle reduces road closing/rail blocking time.
- Easier installation and tamping simplicity.
- Provides a smooth surface even after relative movement between rail and road level.
- Absorbs shock loads and therefore reduces ballast settlement at the X-ing.
- Acts well in case of any distortion in the railway track.
- Do not crack over time like concrete panels which become unsafe.
- Carry far higher load than concrete panels without damage.
- Displaces water during rain away from the X-ing area and prevent ballast wash out.
- Three men can remove a single panel within short time. No lifting equipment required.
- Very rugged as they can be delivered to site and just pushed off the truck and stored beside the X-ing with no special care or stacking.
- Better able to handle temperature extremes.
- Quieter than concrete X-ings and no rattling or thumping.
- More economic compared to service life.
No Check Rail Required
Check Rail is no longer required in this system, the design itself allows passing of the projected part of the wheel. Hence the periodical maintenance of checkrail is completely waved. Checkrail gap is maintained.
Absorption Of Distortion
During continuous wagon movement rail track somewhere gets depressed. MMC Xing system, unlike bituminous road, takes such distortion of rail without damage of track.
Load Bearing Capacity
MMC crossing system can endure continuous traffic movement and tremendous weight like 500 tonnes vehicles.
Ease of Maintenance
Removal of full track within 30 min.
Continuous Traffic Load
MMC X-ing system is effective in port situations where continuous use by maximum weight of 38 wheelers and other trucks.
No More Fatal Cases
Concrete Blocks are not suitable in X-ing where safety is concerned. These blocks get disintegrated by continuous traffic load and may lead to fatal accidents in the X-ings.