Question

Question 2 [Marks: 11 + 9 = 20] A raft footing area shown in the image below with dimensions given in terms of "A" and “B” applies a uniform pressure of “p” kPa to the soil surface. Determine Aov at a depth of 5m below the points indicated by red circles ie, below i) top right corner and ii) left internal corner. Use Fadum (1948) chart given below. “A”, “B” and “P” are to be calculated as a function of your student ID as below, A = 12 + (1x last digit of your student ID) B = 8 + (0.5x last digit of your student ID) P = 150 + (1x last two digit of your student ID) Vertical stress increment, 10' = PI, (for corner of a rectangular area) Page 3 of 6
Last two digit is 68

Answer 1

Last two digit is 68 R N 12/2) 2013) 10/3 B2 122 B P tw 0 B/2 2013 S a T ^3 A/ M3 t A A= 12+ CIX last digit of ID) 12+ (1x8) = 20m B = 8+0.5x 8) = 12m. P = 150+ (1x 68) 218 XN/m2 (kpa= kN/m? p ZI For 4oz at wat z=5m. Perna (prz= PIZ Iz 1 (VONM) +ICVOTS) + I (VMRW)+I (VWVS) - ICQ SPV 20/3 1272 I(VON )-) - 20% = 1.3 m=1.2 & n=1.2 = 1 0.1993 m = t4 & n = 1+ 2 =) I 2 = =ISONM) L 1.2 i n= 1 / 1 근 b me B 리 - 0.1958 0.2028 I CVOTS) =) same as I (VONM) = 0.1993 I (UMRW) =) = 207 na 12/ 40% 12h 51.2 m=2577 1 = 0.2157 = I UMRW) 0.2163 m=3.8%) I 2 CSScanned with SamScannef = 1.2 VWUS) = 1

--- [463 = P. Iz = 218 [0.1993 + 0.1993 40-2157 +0.2157- at w? 993] - 1137.50 klal Ano Pozlat P. Iz = 218 = 213 (0:241251 - 52.6 KP 2 Am 12 Il m=4 m-4 n=2.5 m - Iz= I CRN TU- 2024 12 –24 1 I = lang 0.2391 +0.2434 tit12 no 2 = 0.24125 1 CScanned with CamScanner