Stones on MRT tracks. replied by Ponders @ Sun, 30 Mar 2008 10:04:30 +0800

Ponders — Sun, 30 Mar 2008 10:04:30 +0800

Originally posted by jay_rocks:

ar i see. sound waves would be disrupted when passing thru air and solid.

your nice is Jay-rocks and you dunno its properties.... sigh. haha.

Stones on MRT tracks. replied by jay_rocks @ Sat, 29 Mar 2008 21:45:45 +0800

jay_rocks — Sat, 29 Mar 2008 21:45:45 +0800

Originally posted by Ponders:

Rocks are piled up so they tend to have air space in between.

Had it been something solid, sound waves travel through them..

ar i see. sound waves would be disrupted when passing thru air and solid.

Stones on MRT tracks. replied by caleb_chiang @ Sat, 29 Mar 2008 18:47:28 +0800

caleb_chiang — Sat, 29 Mar 2008 18:47:28 +0800

Stones on MRT tracks. replied by Ponders @ Sat, 29 Mar 2008 18:43:14 +0800

Ponders — Sat, 29 Mar 2008 18:43:14 +0800

Originally posted by jay_rocks:

noise? but how?

Rocks are piled up so they tend to have air space in between.

Had it been something solid, sound waves travel through them..

Stones on MRT tracks. replied by jay_rocks @ Sat, 29 Mar 2008 15:14:25 +0800

jay_rocks — Sat, 29 Mar 2008 15:14:25 +0800

noise? but how?

Stones on MRT tracks. replied by QX179R @ Sat, 29 Mar 2008 08:21:44 +0800

QX179R — Sat, 29 Mar 2008 08:21:44 +0800

Originally posted by purpledragon84:

wah.. at least i learnt something today. not bad.. can entertain my gf..

gd for ya

Stones on MRT tracks. replied by purpledragon84 @ Sat, 29 Mar 2008 00:19:20 +0800

purpledragon84 — Sat, 29 Mar 2008 00:19:20 +0800

wah.. at least i learnt something today. not bad.. can entertain my gf..

Stones on MRT tracks. replied by QX179R @ Fri, 28 Mar 2008 22:54:22 +0800

QX179R — Fri, 28 Mar 2008 22:54:22 +0800

Originally posted by wonderamazement:

He dunno that the stones served to lower noise levels what.

oh..ok

Stones on MRT tracks. replied by wonderamazement @ Fri, 28 Mar 2008 20:50:33 +0800

wonderamazement — Fri, 28 Mar 2008 20:50:33 +0800

He dunno that the stones served to lower noise levels what.

Stones on MRT tracks. replied by QX179R @ Fri, 28 Mar 2008 20:40:50 +0800

QX179R — Fri, 28 Mar 2008 20:40:50 +0800

Originally posted by hao_hao:

LRT tracks need stones for wat ?

ya lor, I thought it was run on rubber wheels so why the need for stones

Stones on MRT tracks. replied by hao_hao @ Fri, 28 Mar 2008 12:19:01 +0800

hao_hao — Fri, 28 Mar 2008 12:19:01 +0800

LRT tracks need stones for wat ?

Stones on MRT tracks. replied by Welstrong @ Fri, 28 Mar 2008 10:56:15 +0800

Welstrong — Fri, 28 Mar 2008 10:56:15 +0800

"It acts as a base for the track, aids a resilient ride and allows drainage - and it's called 'ballast'. "

----Yahoo Answers

Stones on MRT tracks. replied by QX179R @ Fri, 28 Mar 2008 10:42:30 +0800

QX179R — Fri, 28 Mar 2008 10:42:30 +0800

wrong forum lah..

http://MlRTs.sgforums.com/

Stones on MRT tracks. replied by ^tamago^ @ Fri, 28 Mar 2008 05:29:33 +0800

^tamago^ — Fri, 28 Mar 2008 05:29:33 +0800

noise abatement.

Stones on MRT tracks. replied by Beef_wellington @ Fri, 28 Mar 2008 04:26:38 +0800

Beef_wellington — Fri, 28 Mar 2008 04:26:38 +0800

Have you guys wondered why are there plenty of stones on the MRT tracks but none on the LRT tracks ?

And what is the purpose for having those stones...

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