Construction of this elevated metro corridor at such a height, in sharp curves (Total 5 curves out of which 2 curves are sharper than 127.05m radius) and steep gradients over the congested aria without disturbing the running traffic was a huge challenge for GMRC. The Line Gandhinagar Metro of 15km runs from Motera to Mahatma mandir in which a major portion of the alignment is along the median of the road which connects the Western and Eastern of Gandhinagar.Īlignment of metro Line passes through dense residential areas Gandhinagar Geographical condition of the line is such that elevation of metro track level requires horizontal curves up to radius 127.05m at 12-20meter heights (approx.) above the road level. The innovative design concepts adopted for the project allowed to cast more than half the volume of civil structures in the casting yard as a precast unit, that is, the pier arms, girders (U Girder, I Girder, TL pier arm, CL, Box) etc.

Prudent planning has allowed a diversion from traditional construction methods that is cast-in-situ, specifically in superstructures to precast technology. Paramount importance was given to the aesthetics of civil structures, aspect of future maintenance, minimal inconvenience and danger to public life and property. GMRC meticulously planned the project which in turn helps in execution of the project as per the highest standard of safety set by the industry and as per the scheduled time. Geographically, difficulties in setting alignment, space constraints, and short completion time remain the main deciding factors to complete a Metro Project. Gujrat presents a number of challenges in the design, planning and execution of metro projects due to limited space, existing utilities, and congested roads.

It has introduced a world-class Fasted Transport System is comfortable, air conditioned, eco-friendly, swanky, and modern.Ĭonsidering the success record of well-planned execution of Metro Projects by GMRC in Gujrat. The Gujrat Metro Rail Corporation (GMRC) has completely revolutionized transportation scenario in India. Should I consider doing anything to address water (like adding a french drain)?īig thank you in advance for any help anyone can offer.Advantage Precast Concrete Technology in Metro Project (PKG -2 Gandhinagar Metro) Provided that I can bury them, what would be the best choice of material to bury them in? gravel/crushed stone? Stonedust/limestone screenings? A mix of both? Or maybe just backfill with the excavated topsoil? I live in a cold climate with long cold winters.įirst, can you bury these concrete piers or is this a terrible idea? Is anyone aware if this would be typically covered in building codes? However, I've been worrying though about water collecting there and how the concrete will hold up if it's exposed to that. I've already started this work and dug the trench on the high side to place the piers in. This is to keep the deck low to the ground and to avoid requiring railings or a permit by making it higher.

So to build it, I was planning on putting the blocks on the low side on a single row of patio stones to raise it slightly, and was planning on excavating down a bit on the high grade side and partially burying the blocks on that side, perhaps 4-5 inches below grade. I'm building a ground level floating deck sitting on precast concrete pier blocks (the pyramid shaped ones with the 'x' pattern on top that normally just sit on top of the ground).

Precast concrete pier blocks