Its about the road location and reconnaissance survey inorder to built a road in proper way
Size: 11.77 MB
Language: en
Added: Feb 25, 2025
Slides: 60 pages
Slide Content
HORIZONTAL ALIGNMENT ON A CONTOUR MAP
HORIZONTAL ALIGNMENT VERTICAL PROFILE
HORIZONTAL ALIGNMENT ON A CONTOUR MAP
PLAN Profile
AASHTO 2011
Taken from “Surveying: Theory and Practice” 5/e by Raymond E. Davis; Francis S. Foote & Joe W. Kelly. 1968
Taken from “Surveying: Theory and Practice” 5/e by Raymond E. Davis; Francis S. Foote & Joe W. Kelly. 1968
Taken from “Surveying: Theory and Practice” 5/e by Raymond E. Davis; Francis S. Foote & Joe W. Kelly. 1968
FIGURE 3-1 (continued)
How to find the volume using the different techniques Average end area Method :
2) Prismoidal Method : This is a more accurate formula, which takes out most of the error accrued by the average end area method:
3) Pyramid Method : If one end area has a value of zero (i.e. zero area), the earthwork volume can be considered a pyramid and the correct formula would be:
Station # Fill Area (ft 2 ) Cut Area (ft 2 ) Length Between Sections (ft) Fill Volume (ft 3 ) Cut Volume (ft 3 ) Net Volume(ft 3 ) Cumulative Volume (ft 3 ) 0+00 411 421 0+50 43 50 11350 7017 4333 4333 1+10 432 60 860 8640 -7780 -3447 1+50 631 452 40 8413 17680 -9267 -12713 1+80 466 350 30 16455 12030 4425 -8288 2+10 432 211 30 13470 8415 5055 -3233 2+50 642 532 40 21480 14860 6620 3387 Earth Work Quantities using the Average End Area method and the Pyramid method Assume 1 Station = 100 ft e.g. station 1+50 ft is, 1 station and 50 ft.