 | 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,... | |
 | 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... | |
 | Henri Barré (prof. at Nancy.) - 1873 - 334 pages
...B, being found from N0. 5. 17. Right cylinder = - R2 A 18. Right cone = £ r R2 A 19. Sphere = А т R3 20. Prismoid, or solid figure, similar to that...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... | |
 | United States. Army. Corps of Engineers - Military engineering - 1873 - 350 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; h' = the perpendicular depth of cutting at lower end; / = the length of the solid; and r = the ratio... | |
 | Thomas Jefferson Lee - Astronomy - 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...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... | |
 | 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... | |
 | 1897 - 734 pages
...calculate their respective 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 six, imll give the solid content." That is :— [Sum ot areas of both end« + (middle area x 4)] x... | |
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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 the content in cubic yards ; but if they are... 