FIGURE P15.1415.15 Determine the embedment depth and the anchor force perunit length of wall for the retaining wall shown in FigureP15.15 using the FMM. Assume the soil above the ground-water to be saturated. Use FS 15 to calculate the depth.151 mAnchor0,5 m6 mSoft clayY-18.8 kN/m²,0-30-25 kPa,5-0°Stiff clayYu-19.2 kN/m28, 4, 100 kPa, 6-0

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Answered: FIGURE P15.14 15.15 Determine the…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter12: Lateral Earth Pressure

Section: Chapter Questions

Problem 12.5P

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Check the stability of concrete retaining wall shown in figure against sliding and bearing capacity. The backfill consists of two layers having geotechnical properties as shown in table below. Layer (kN/m²) 0 18 35 25 B'- 1 m B 2.5 m. XkN/m 19 18 Layer 1 Layer 2 2 m 5 m 180 200
IM No.: IM-C 12.1 Given: H = 12 ft, q = 0, y = 108 lb/ft', c' = (0, and o' 30°. Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2. 12.2 Use the following values to determine the at-rest lat- eral earth force per unit length of the wall. Also find the location of the resultant. H = 5 m, H, = 2 m, H, = 3 m, y = 15.5 kN/m', y = 18.5 kN/m', ' = 34°, c' = 0, q = 20 kN/m², and OCR = 1. 12.3 Given the height of the retaining wall, H is 18 ft; the backfill is a saturated clay with o = 0°, c = 500 lb/ft,y = 120 Ib/ft", a. Determine the Rankine active pressure distribution diagram behind the wall. b. Determine the depth of the tensile crack, z.. c. Estimate the Rankine active force per foot length of the wall before and after the occurrence of the tensile crack. 12.4 A vertical retaining wall is 7 m high with a horizontal backfill. For the backfill, assume that y = 16.5 kN/m', ' = 26°, and c' = 18 kN/m2.…
Refer to Figure 12.3a. Given: H = 12 ft, q = 0, γ = 108 lb/ft3, c' = 0, and Φ' = 30º. Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2.
Q3) A retaining wall of (6m) height at rest condition as shown in Figure (2). Calculate the following: 1.5m Sandy Soil kN Yt = 18.0- m² Ø = 30. 0° %3D Water Table Level (WT) Sandy Soil kN Yt = 20.0- Ø = 30.0° 3.0 m Figure No. 2 6.0 m w O'E
Determine the analytical embedment depth and the total wall depth for this conditions. Give the effect of sand friction angle on the analytical embedment depth and the maximum bending moment Surcharge Load = 10 kN/m2 0 1 2 3 4 5 6 LD 7 16 kN/m² (= 0 phi= 30 °
Calculate the total lateral earth force in rest condition for the retaining wall shown below. ( Note that the bottom 3 m layer is in dry condition )
3. Draw the pressure diagram of the retaining wall with the soil profile shown both in active and passive cases. Solve for the active and passive lateral force and its location from the bottom of the wall. 4.5 KPa Gs = 2.73 e = 0.67 Ø = 27° C =0 KPa %3D 4m Gs = 2.66 %3D e = 0.85 Ø = 34° C = 5 KPa 6m
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4) A concrete gravity retaining wall having a unit weight of 150 pcf is shown in the figure. The Rankine active earth pressure resultant (lb/ft) on the wall is most nearly: a. 1080 b. 270 C. 1130 d. 1350 GRAVITY WALL 2ft T41 GRANULAR BACKFILL >=32° 81 C=0 10° n=110 pd
The soil material is supported by a retaining wall to a height of 6m. The unit weight of soil is 16 kN/m² and the angle of internal friction is 29". Assume the soil is cohesionless. 41. Determine the rest earth pressure on the wall. a. 427.63 kPa b. 148.37 kPa c. 129.078 kPa d. 264.101 kPa 42. Find total active pressure if surcharge of 14kPa is applied on the surface of horizontal backfill. a. 427.63 kN b. 148.37 KN c. 129.078 KN d. 264.101 KN 43. Locate the position of the total pressure from the bottom. a. 0.347 m b. 5.653 m c. 2.226 m d. 3.774 m
Determine the lateral earth force at rest per unit length of the retaining wall when the ground water table is acting at 2m below ground surface and find out the location of the resultant force. Clay layer overlies sand layer.
Only answer (D) Resultant = 117.159 moment = 208.66

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