 | Edward Charles Frome - Mathematical geography - 1840 - 232 pages
...A'* + 2b ft + 2 r A2 + b h—b h' + 2rhh'—2 r A'2 j = {(fi + rA') A'+ ( 4 + r A) A + 4 (i +r ?+? = Area of each end, added to four times the middle area,,...and the sum multiplied by the length divided by 6. CHAPTER VIII. MOUNTAIN BAROMETER. THE Mountain Barometer presents another method of determining comparative... | |
 | Sir John Benjamin MacNeill - Earthwork - 1846 - 422 pages
...rh')h'+ (b+rh)h+2bh + 2bh'+ rh'2+ rh*+ 2rhh']= [l6 + rh') h' + (b + rh) h + 4 [¿ + ¿±£] ͱT| L iz area of each end, added to four times the middle area,...and the sum multiplied by the length divided by 6. •<-'•' • '— •*• *•• :• «1 DESCRIPTI0N 0F THE TABLES. THE First Series of Tables,... | |
 | Thomas Jefferson Lee - Astronomy - 1853 - 288 pages
...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 perpendicular depth of cutting at higher end fi'= the perpendicular depth of cutting at lower end 1 = the length of the solid r = the ratio of the... | |
 | United States. Army. Corps of Engineers - 1853 - 276 pages
...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 divided by 6, or the sum multiplied by the length' с (b + r A') h'+(b + r A)A + 4/'i4 _ ft + A'\ A... | |
 | Frederick Walter Simms - Leveling - 1856 - 258 pages
...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 will be... | |
 | Frederick Walter Simms - Leveling - 1870 - 220 pages
...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 will be... | |
 | FREDERICK W. SIMMS - 1870 - 174 pages
...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 will be... | |
 | Thomas Jefferson Lee - Astronomy - 1873 - 334 pages
...reecont@guousedges・ BA 一" 一 iy. Right cylinder= * R2 A i8. Right cone= - R2 A i9. Sphere= < - R" 20. Prismoid, or solid figure, similar to that which...area, and the sum multiplied by the length divided by6 ， 0 ブ 一 一 where Z@ 乃@ 一" " " " "一一一一" 一一" 一一" " "一 the breadth at... | |
 | Henri Barré (prof. at Nancy.) - 1873 - 334 pages
...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...where b = the breadth at the bottom of the cutting ; // = the perpendicular depth of cutting at higher end; h1 = the perpendicular depth of cutting at... | |
 | William Henry Maxwell - Pavements - 1899 - 304 pages
...calculate theirrespective areas. The Prismoidal Formula is frequently used, and is as follows : " The area of each end added to four times the middle area,...and the sum multiplied ~by the length divided by 6, mil give the solid content." Or— [Sum of areas of both ends + (middle areax4)J x length. 6 In practice... | |
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Solid content = area of each end, added to four times the middle area, and the sum multiplied by the length... 