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34টির মধ্যে 18টি সেতু রয়েছে আলিপুরদুয়ার ডিভিশনে৷ সেখানে এই কাজ ইতিমধ্যেই শুরু করেছে দিয়েছে উত্তর-পূর্ব সীমান্ত রেলওয়ে৷

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00:00how are you
00:06how are you
00:12how are you
00:16how are you
00:18in nf railway
00:20we have major rivers in which railway bridges are made so
00:25their health monitoring is very important.
00:29In the water, the structure of the water can be seen.
00:34So, if you can see it outside, you can see it outside.
00:39So, there are modern technologies that are available to use.
00:43We use the structural health to monitor them.
00:48There is a remote operated robotic vehicle,
00:51Lidar technology, Ground penetration radar,
00:55Ultrasonic Pulse velocity.
00:57These techniques are
00:59which are what we can see in our condition.
01:03We can photograph it and
01:06even concrete,
01:08we can see that
01:10Ultrasonic Pulse velocity
01:13through monitoring.
01:15In this case,
01:18there are many important bridges
01:20which are submerged in the air.
01:23In this case,
01:25we have done the inspection.
01:27Underwater
01:29Yes, underwater.
01:31Underwater
01:32which is not
01:34done by the person
01:36to be used.
01:38Underwater
01:41He owns the water in the water and now how much the water can be used to analyze them from the Context
01:49and the health quality which we need to do.
01:53How many breezes or divisions are you?
01:57C-Total 34 breezes are brought here in this year.
02:01Now we have 18 breezes for Alipurdwar Division.
02:05India
02:12first time
02:15first time
02:20modern technologies
02:23the
02:26the
02:29technology use
02:32it
02:33it
02:34is
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