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to that which is formed in excavations or embankments of roads ; terminated by parallel cross sections. Solid content = area of each end, added to four times the middle area, and the sum multiplied by the length
A Collection of Tables and Formulę Useful in Surveying, Geodesy, and ... - Page 23
by Thomas Jefferson Lee - 1853 - 242 pages

## Tables for Calculating the Cubic Quantity of Earth Work in the Cuttings and ...

John Macneill - Earthwork - 1833 - 254 pages
...A' 2 + rA* + 2rAA'] -|r = Г(ft +rA') A' + (ft+ rA) A + 4 fft + r —— 1 -:—' | —r LL 4 16 = area of each end, added to four times the middle area, and the sum multiplied by the length divided by 6. DESCRIPTION OF THE TABLES. THE first series of Tables, from 1 to 22, are calculated to...

## Tables for Facilitating the Calculation of Earth Work in the Cuttings and ...

Sir John Benjamin MacNeill - Earthwork - 1846 - 368 pages
...rh')h'+ (b+rh)h+2bh + 2bh'+ rh' 2 + rh*+ 2rhh']~ = \\b + rh') h' + (b + rh) h + i \b + r^f--] i±T] L = area of each end, added to four times the middle area, and the sum multiplied by the length divided by 6. .^j^^Uy/A^'j^O^/H^')^-^ /, , vM^ >JA'{iVft>^ Wi4 ' l "IT I r DESCRIPTION OF THE TABLES....

## A TREATISE ON THE PRINCIPLES AND PRACTICE OF LEVELLING

FREDERICK W. SIMMS - 1870
...which the saving of labour by the use of the Tables will be made apparent. Prismoidal Formula.—The area of each end added to four times the middle area, and the sum multiplied by the length divided by 6, will give the solid content. If the measures used in the calculation are yards, the result...