 | Edward Charles Frome - 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 - 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 - 1853 - 276 pages
...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 divided by 6, or where b = the breadth at the bottom of the cutting h = the perpendicular depth of cutting at higher... | |
 | United States. Army. Corps of Engineers - 1853 - 276 pages
...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 - 1870 - 220 pages
...surface line must be so made, that the cubical quantities of excavation and embankment are nearly equal ; leaving, however, a preponderance in favour of the...number of yards. CALCULATION OF THE TRIANGULAR PORTION O. Height 0. 2) 18 Height 18 9 mean height. Slope 1.5 1.5 slope. 9.0 45 18 9 27.0 13.5 Base ............ | |
 | 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,...obtain the corresponding number of yards. CALCULATION OP THE TRIANGULAR PORTION d. Height 0. 2) 18 Height 18 9 mean height. Slope 1.5 1.5 slope. 9.0 4.5... | |
 | United States. Army. Corps of Engineers - 1873 - 350 pages
...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 divided by 6, or where b = the breadth at the bottom of the cutting ; h — the perpendicular depth of cutting at... | |
 | Henri Barré (prof. at Nancy.) - 1873 - 334 pages
...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 divided by 6, or where b = the breadth at the bottom of the cutting ; // = the perpendicular depth of cutting at... | |
 | Thomas Jefferson Lee - 1873 - 334 pages
...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 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 - 1899 - 302 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...length divided by 6, will give the solid content." Or— |_Sum of areas of both ends + (middle areax4)J x length. __ In practice all the above methods... | |
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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... 