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TTE4804 Quiz_4_Spring11 Solutions

# TTE4804 Quiz_4_Spring11 Solutions - QUIZ F75 4w50LUTlONS WM...

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Unformatted text preview: QUIZ F75 4w50LUTlONS WM The following are notes for cross sections at Sta. 100 +00 and Sta. 101 +00. The side slopes are 2:1 (H:V) and the roadway width is 30 ft. " Station Left Center Right ——_—__._.__________ f8.0 f6.0 f5.0 + — __ __ 100 00 0.0 25.0 f6.0 f4.0 f2.0 101+00 27.0 0.0 19.0 in! Draw the cross section at Sta. 100 +00. Show all the dimensions. Ié’ 15’ ‘5' lo’ HEW l' 2 Determine the area of the cross section at Sta. 100+OO using the “3-1evel section" formula A3L‘ Jz'ﬂcéet‘idot %} (gu'gr) A3L =15.é.(3l+25j + 33:2 (8+5) . AA =- ‘3 Determine the area of the cross section at Sta. 101+00 using the method of “coordinates";‘i 0 .9; 0‘ A 9/3 a" 41x“ {3); '<-—é tg—mf — '61? +2 n 5- ‘ l‘Iz’Kou’ls‘zf‘bwo ’2 >< J“ 3C i 3 .4. :9 O ., ‘ 27 :L i ,2 r3" /4 MI I. _ ‘\ = _ .. 2, . AR 2, C o” lsxlqh33>3%) '3 (MS 4X”) 53 £4. A ”’(AJ A?) :1 (01944453); 4.52 {+1} t4 Determine the volume, in cubic yards, of earthwork between the two stations using the “average end area method" V: 9—(5153) ._._ loo <265£+|SZ 3 ' §IQLMZZZ4F sow-Hows » ! PROBLEM 2:1 ; \[ahrvm w'x CU} We, owe/raga enoQ-arm nu-‘ThoéZ' ewJL Coné. Na 3+“ cm Aw sh. gs- » JLCAW’“) = (my: 7,2004»; . , ‘ 2 _._...V, —. 7' —_— 266-67133 s41 25—41, 53m. gage vr. Jibmiwﬁwz Jéxggyso=113332g+3 Tow w vemm = 2690+ 4:42: sogzéyolg Vat/Wm». “n P\H Sme‘SJrsc ﬁS’m. ze+oo v=gx5oxso =833-33 9?: 30.86 0(3 3% 86+0Q «Ia 33m. iﬂoo \l == {Qégfgo—féél =58603C+32 2:442 mt] TO+CL\ Q“ VO‘MVYUL :: 3026 + 214'8 7-2457 >443 P5013 LEM 2'1 [ht W anal—cam mﬁnl ' é , ‘ : I.I"'l’i‘{_ qu orllezlb (94/94’5343 22—144 200 SHEETS- From 30/ 3m SIS" —>_ whim: %(A‘+Ag=g[s\$eoo+aqgooj= zqo7 yd} 27 Pam 515/ in 520’ ¢> Vo‘um: gfsogowzgéeojt 4924- yctﬁ , 27 , From 520’ 41: 525/ .9 vamme = .3; [ '2660+4224O] = \$3565 yd? ' 2.7 T0414 VOMMV §mm 90/ 4—0 523/ : 7907+402++V565=m ...
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