Problem 4: A cross section of the concrete retaining wall system is presented in Figure 4....
H=6 m Clay e0-1.1 Bedrock 2- Details of a rei draina nforced concrete cantilever retaining wall are shown in the following figure. Due to inadequate the soi front of the wall ge the water table has risen to the level indicated. Assuming the angle of friction between base of the wall l to be ( )?, determine factor of safety against overturning and sliding. Neglect passive pressure in l9 400 psf Yconcrete 150 pcf, Ydry 108 pcf, Ysat 130 pcf...
Please write step by step clearly Please design a cantilever concrete retaining wall for the height and soil as shown in the figure. The frost depth at the site is 2 feet. Consider the ultimate bearing capacity (qe) of the soil as 8 tsf. Provide a neat, labeled sketch of the wall that you have designed. Check the following design parameters: a. Factor of safety against overturning b. Factor of safety against bearing capacity c. Factor of safety against sliding...
You have to review the design of a cantilevered concrete retaining wall designed for the height and soil as shown in the figure. Please check the design and provide your recommendation for the following situation: - 200 psf Surcharge load on top of the backfill material Lean clay at foundation same soil for backfill Dry unit weight of soil Cohesion/adhesion of the clay/concrete Bearing capacity of the soil Active earth pressure coefficient Ignore the effect of ground water table Unit...
A concrete retaining wall supporting a cohesionless backfill and surcharge pressure q=250 lb/ft is shown in the figure (assume yo=150 lb/ft?, Yw=62.4 lb/ft?): a. Calculate the factor of safety against sliding b. Calculate the factor of safety against overturning Tell II c'=0, O'=320 Y=122 lb/A? 20ft $ 13 c'=0, O'=320 Y=128 lb/ft? 4ft 2ft 3 ft | 21 | 8ft '=0,'= 380 Y=128 lb/ft?
Consider the following concrete retaining wall: 1.5ft La = 12° Sand: y = 115pcf 16ft d' = 32° c'=0 d' = (2/3) Concrete: y = 150pcf TAVI- N 3ft 5ft '1.5ft 6.5ft y = 120pcf ' = 22°C' = 200psf Clay Use Rankine active earth pressure with: cosa - Ka = cosa- cosa + cosa - cos2 cos2a - cos20 a. Calculate Rankine active and passive lateral forces and show their location onthe diagram. b. Calculate the factor of safety...
For the retaining wall shown in the two different soils, provide the following analysis: A. Determine the Ranking Active pressure force components Phorizontal and Pvertical (given Ka=0.3216) B. Determine the Passive Pressure force Pp (given Kp=2.1318) C. Determine the Overturning Moment Mo D. Determine the Righting Moment Mr (Include Pvert and Pp as well) E. Computer the Factor of Safety against overturning instability F. Compute the Factor of Safety against sliding instability (include friction). Given coefficient of friction = .35....
2. You are designing a cantilevered concrete wall to raise a highway above a newly designated flood elevation. The ultimate bearing capacity of the native soil was determined to be 9,000 psf. How far must the base of the wall extend back from the stem to provide a factor of safety of at least 1.5 for both sliding and overturning? Use Rankine theory and a. report the required total width of the foundation B. b. Will a factor of safety...
problem 4: For the retaining wall shown, Determine a. the active lateral earth pressure distribution b. the passive lateral earth pressure distribution c. the magnitude and location of the active lateral force on the wall d. the magnitude and location of the passive lateral force on the wall e. the depth of crack from the surface [use Rankine method] Ignore hydrostatic pressure. y 110 pcf p 12, C 420 psf 30' Y 110 pcf φ 100 C 500 psf Y...
Figure right shows the cross- section of a concrete retaining structure with the following dimension: Top width a 5m Bottom width b 8m .c18 kN/m3 .SOIL: 250, d18 kN/m3, Design criteria Factor of safety against overturning> 2.5 Factor of safety against sliding > 1.5 Is this design acceptable and why? And what measures can to be used to improve the design? Figure right shows the cross- section of a concrete retaining structure with the following dimension: Top width a 5m...
Please solve each and explain process and equations 5. (30) Define allowable bearing capacity of a circular foundation of a radius 2R-18 ft using the Terzaghi's bearing capacity equation for a general failure, if the water table were at and below the elevation of the bottom of the foundation. A factor of safety is 2.2. Qall 6 ft SAND φ =36 0 e007 2R 16 ft> 16 ft CLAY 18 ft : 0.5 еой 0.8 Y sat 135 pcf ROCK...