SELECTION OF DAM AXIS USING AUTOCAD CIVIL 3D A CASE STUDY OF JACHI DAM, MANI LOCAL GOVERNMENT AREA, KASTINA STATE.
Gaya. I.A1, Kamilu A2, Mahmood N3.
ABSTRACT
Selection of right dam axis during preliminary design stage is needed to provide right locations to save time for alternative comparison in design proposals. This study was carried out to select the best dam axis of Jachi propose dam site using AutoCAD Civil 3D with data of topographical survey of the area. Three alternative dam axis C, C2 and C1 were located and their Embankment volume, reservoir capacity and storage ratio obtained as 107.972.71m3, 240,233.08m3, 240,232.06m3 and 2,350.854.84m3, 3,350,554.54m3, 1,103,797.83m3 and 16.52, 13.73, 4.59 respectfully using AutoCAD Civil 3D, with alternative C having storage ratio of 16.52 indicating excellent rating site for dam axis design. The obtained results indicate that careful selection of dam axis using AutoCAD Civil 3D can save time with more economical design proposal.
Keywords: AutoCAD Civil 3D, Topographical Map, Storage Ratio, Dam Axis, Dam Embankment.
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