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978-1305970939 Chapter 10
Chapter 10 10.1 a. 2 2 3 1 22 xy xyxy τ σσσσ σ σ+ − ± + = x σ= 175 kN/m ; y σ = 145 […]
978-1305970939 Chapter 11
97 Chapter 11 11.1 fs s s e II E µ BασS 2 )center flexible,( 1 )( − ′ ∆= 2 kN/m 300 )2)(1( 600 ==∆ σ Given: α = 4; ;5.0 2 ′ B µ s = 0.3 E […]
978-1305970939 Chapter 12
113 Chapter 12 12.1 a. c′ = 0. From Eq. (12.3), φ τ ′ ′ = tanσ f 2 2 kN/m 71.69 )071.0( 4 )1000( 276 = = π τ f So, 69.71 = […]
978-1305970939 Chapter 13
Chapter 13 13.113.4 φ φ ′ ′ −= sin ))(sin1( OCRK o Problem φ ′ (deg) K o 2 γHKP oo = 3 z= 13.1 31 0.728 393.1 kN/m 2.5 m 13.2 38 0.570 25,140 lb/ft 9 ft 13.3 28 […]
978-1305970939 Chapter 14
Chapter 14 14.1 From Figure 14.4, for ° = ′ 40 φ and ° = ′ 20δ , K p ≈ 9. So, kN/m 2,997== 2 )6)(5.18)(9( 1 P 2 p 14.2 From Table 14.1, for ° = ′ 40 […]
978-1305970939 Chapter 15
Chapter 15 15.1 Eq. (15.15): β ββ tan tancos 2 + =Hγ F s φ tan ′ ′ c m 6.28= += += H H H 886.1 634.7 1.3 19tan 33tan )19)(tan19)(cos)(20( 47 1.3 2 15.2 Eq. (15.16): ft 41.94= […]
978-1305970939 Chapter 16
159 Chapter 16 16.1 .28 ° = ′ φ From Table 16.1, = c N31.61; = q N 17.81; = γ N 13.70 )7.13)(2)(19( )81.17)(19)(5.1()61.31)(31( 2 kN/m 499.4= ++= ++ […]
978-1305970939 Chapter 17
175 Chapter 17 17.1 Tube 1: 56.4924.18.50 =−=−= tDD oi mm Eq. (17.6): 10%5.06% ≤=× − = − =100 )56.49( )56.49()8.50( )100((%) 2 22 2 22 i io R D DD A Tube 2: mm 55.7465.12.76 =−=−= tDD oi Eq. […]
978-1305970939 Chapter 2
1 Chapter 2 2.1 4.36=== 11.0 C ; 1.18=== )11.0)(48.0( C 48.0 10 1060 60 D ))(( DD D u c Since C u > 4 and C c is between 1 and 3, the soil is well graded. 25.0 […]
978-1305970939 Chapter 3
15 Chapter 3 3.1 a. wd γ e γ + += + + + = + =1e e e γ 111 sat e + γe γG γeG wwsws )( b. )(1 e + = + […]
978-1305970939 Chapter 4
27 Chapter 4 4.1 a. Refer to the plot of w versus N. LL = 29.0 b. 5.17 2 8.172.17 avg = + =PL 11.5= −=−= 5.170.29 avg PLLLPI 4.2 ( ) 29.76≈ = […]
978-1305970939 Chapter 5
33 Chapter 5 5.1 Refer to Figure 5.1. Soil Classification A Clay B Sandy clay C Loam D Sandy clay and sandy clay loam (borderline) E F G H I J Sandy loam Silty loam Clay loam Clay Silty clay […]
978-1305970939 Chapter 6
43 Chapter 6 6.1 S wG d + 1 )17.0)(73.2( 1 + γG γ s ws = ; S )81.9)(73.2( 8.16 = 78.1% = = 781.0S 6.2 S wG d + 1 ρG ρ s ws = G s w […]
978-1305970939 Chapter 7
53 Chapter 7 7.1 From the figure: α α sin cos length == S i α tan loss head = S q = k i A = ( k )(sin α )(5.4 cos α […]
978-1305970939 Chapter 8
63 Chapter 8 8.1 The flow net is shown. k = 4 × 10 ‒4 cm/sec H = H 1 – H 2 = 6.0 – 1.5 = 4.5 m /m/day m 1077.76 36− − − ×= ×= […]
978-1305970939 Chapter 9
© 2018 Cengage Learning®. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part. Chapter 9 9.1 Point lb/ft 2 σ u σ ′ A B C D […]