Delhi Metro Rail Corporation (DMRC) will be constructing record number of sharp curves in Phase III on its Standard Gauge Metro corridor from Hazrat Nizamuddin to Shiv Vihar in East Delhi.
Because of the uneven twists and turns in this 25 kilometers elevated corridor, Delhi Metro is being forced to construct as many as 14 curves on this stretch that passes through very congested areas like Trilokpuri, Kalyanwas, Vinod Nagar, I P Extension, Anand Vihar, Karkarduma, Welcome, Seelampur, Jaffrabad & Maujpur.
Below are the tabulated details of the curves which are to come on this corridor:
S.No.
LOCATION/ AREA
RADIUS OF CURVATURE
(CURVE)
1.
Block 15, Trilokpuri
210 meters
2.
Just before Trilokpuri Metro Station
212 meters
3.
At Lal Bahadur Shastri Hospital (LBSH)
295 meters
4.
Beside NH 24 Crossing (near DTC Bus Depot, Mayur Vihar Ph II)
238 meters
5.
Over Jogger’s Park ( I P Extension)
225 meters
6.
Over TD I Nallah Crossing
202 meters
7.
Patparganj Industrial Area (Over TD II Nallah Crossing)
252 meters
8.
Anand Vihar Crossing (Road No. 56; From EDM Mall to Anand Vihar Interchange Metro Station)
200 meters
9.
Anand Vihar Railway Track Cossing
302 meters
10.
Near Karkarduma Metro Station
302 meters
11.
Maharaja Surajmal Marg (Near MTNL Office)
200 meters
12.
Swami Dayanand Marg
200 meters
13.
Before Welcome Metro Station
252 meters
14.
Seelampur Corner (Towards Maujpur)
235 meters
Curves of less than 300 meters of radius are considered ‘sharp curves’ in Urban Rail
construction. The work of building sharp curves requires great deal of engineering skills and several factors have to be kept in mind while designing special segments/spans at the concerned turn/juncture. DMRC has to form especially dedicated beds in its casting yard for casting of special segments. The segments are then constructed according to the already defined ‘radius of curvature’ and then put on the viaduct.
Further, cantilever piers and portals (supports) have to be constructed at appropriate places to provide smooth transition for the curves, wherever required, to take care of the shifted alignment due to curvature. The Hazrat Nizamuddin – Shiv Vihar corridor is a part of the 59 kilometers long Mukundpur – Shiv Vihar corridor of Phase III covering 40 Metro Stations.
In 2010, DMRC had constructed sharpest broad gauge curve on its elevated section in Gurgaon near IFFCO Chowk with a radius of 282.05 meters between pier no. 125 to 137 in Phase II.
Because of the uneven twists and turns in this 25 kilometers elevated corridor, Delhi Metro is being forced to construct as many as 14 curves on this stretch that passes through very congested areas like Trilokpuri, Kalyanwas, Vinod Nagar, I P Extension, Anand Vihar, Karkarduma, Welcome, Seelampur, Jaffrabad & Maujpur.
Below are the tabulated details of the curves which are to come on this corridor:
S.No.
LOCATION/ AREA
RADIUS OF CURVATURE
(CURVE)
1.
Block 15, Trilokpuri
210 meters
2.
Just before Trilokpuri Metro Station
212 meters
3.
At Lal Bahadur Shastri Hospital (LBSH)
295 meters
4.
Beside NH 24 Crossing (near DTC Bus Depot, Mayur Vihar Ph II)
238 meters
5.
Over Jogger’s Park ( I P Extension)
225 meters
6.
Over TD I Nallah Crossing
202 meters
7.
Patparganj Industrial Area (Over TD II Nallah Crossing)
252 meters
8.
Anand Vihar Crossing (Road No. 56; From EDM Mall to Anand Vihar Interchange Metro Station)
200 meters
9.
Anand Vihar Railway Track Cossing
302 meters
10.
Near Karkarduma Metro Station
302 meters
11.
Maharaja Surajmal Marg (Near MTNL Office)
200 meters
12.
Swami Dayanand Marg
200 meters
13.
Before Welcome Metro Station
252 meters
14.
Seelampur Corner (Towards Maujpur)
235 meters
Curves of less than 300 meters of radius are considered ‘sharp curves’ in Urban Rail
construction. The work of building sharp curves requires great deal of engineering skills and several factors have to be kept in mind while designing special segments/spans at the concerned turn/juncture. DMRC has to form especially dedicated beds in its casting yard for casting of special segments. The segments are then constructed according to the already defined ‘radius of curvature’ and then put on the viaduct.
Further, cantilever piers and portals (supports) have to be constructed at appropriate places to provide smooth transition for the curves, wherever required, to take care of the shifted alignment due to curvature. The Hazrat Nizamuddin – Shiv Vihar corridor is a part of the 59 kilometers long Mukundpur – Shiv Vihar corridor of Phase III covering 40 Metro Stations.
In 2010, DMRC had constructed sharpest broad gauge curve on its elevated section in Gurgaon near IFFCO Chowk with a radius of 282.05 meters between pier no. 125 to 137 in Phase II.
