A New Weir Cum Causeway Design of Varachha Site under Surat Smart City Project IJTSRD
Weir is a solid structure constructed across the river to raise the water level in the river flow. We proposed two sites: Amroli(FRL=4.0m) and Varachha (FRL=4.0m &5.0m). The maximum FRL of Varachha site has to be about 5.0m used in design. We desired that the feasibility of keeping FRL 5.0 to get a water storage as well as wider and longer pond so, we selected Varachha site. We have selected L33-R33 section on river Tapi is safe for our design and no large afflux create on it. To calculated a design discharge and return period factor for 50 years for Varachha site. According to the model studies, the discharge 12,00,000 cusecs, 34000 TCM design given and calculate silt factor is 1.2 and the design discharge is 24,000 cumec.We given hydraulic design based on IS code 6966 (Part-1):1989 Hydraulic Design Of Barrages And Weirs-Guidelines. Weir length was 450m, crest level 8m, crest width 10m. We providing 16 nos. Of Automatic gates (5 x3.5m). Hydraulic design given in two parts: (1)Floor Length Weir bays calculation and (2) Under sluice calculation 100% discharge calculation considered as per IS code 6966 (Part-1):1989 calculated H.F.L 14.10m. The weir may be combined with a submersible bridge, it’s solve a traffic of this Varachha site and to make ease of 24×7 potable drinking water for varachha region people. The water also available for industry uses and other activities.
By Shivam H. Joshi”A New Weir Cum Causeway Design of Varachha Site under Surat Smart City Project”
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,
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