Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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- Assume a smooth retaining wall as shown below. Calculate the active force due to the earth pressure only acting on the right side of the wall in kN per unit length (considering a 1 m length in the out-of-plane direction). The soil properties shown in the figure apply to either side of the wall g = 9.81m/s2arrow_forwardplease answer this correctly and asaparrow_forwardQ: The following figure shows a soil system supported by a 3m high retaining wall. This is normally consolidated soil and the wall has been restrained from yielding. Determine the lateral force Po, exerted by the soil system on per unit length of wall. [Yw = 9.81 kN/m³] H = 3m A B С c'=0 $ 20⁰ y = 15 kN/m 3 c'=0 Ø Y sat 20° 18 kN/m3 2marrow_forward
- a building will have a sitting wall on the north side of the building to allow for seating during outdoor season. the wall will be 1.5 meter tall. what is the minimum width of the wall to ensure that it will not slide or overturning? the soil behind the wall is a sand with Gamma dry= 18.3 kN/m^3 , gamma buoyant =11.5 Kn/m^3 , gamma water= 9.81 kN/m^3 and phi= 36 degrees. the water table is 0.5 m below the ground surface. to enhance the aesthic value of the seating area, the architect has asked that the wall he made of granite ( gamma granite= 25 kN/m^3. Hand written plsarrow_forwardA concrete retaining wall is shown in the figure. The fill behind the wall has a unit weight of 100pcf whose active soil pressure may be assumed equivalent to a fluid pressure of 30psf per foot. The passive soil pressure may be assumed equivalent to a fluid pressure of 300 psf per foot. The live load surcharge behind the wall is equivalent to an additional of 2ft of fill. Unit weight of concrete is 150pcf. Consider 1 ft length of wall.Which of the following most nearly gives the total active pressure acting on the wall?arrow_forwardThe following figure shows a section of an anchored retaining wall embedded into a saturated stiff clay layer. The sand has a unit weight of = 18 kN/m³, c' = 0 kPa and o' = 34º. The clay has a unit weight of = 20 kN/m³, c₁ = 80 kPa and = 0°. A uniform pressure of 40 kPa is applied on the soil surface. The short term stability of the wall is considered in an undrained analysis. Use the Rankin's theory of lateral earth pressure to determine the active and passive horizontal stresses. You should apply the requirements of AS 4678 and the partial factors of safety method in estimation of soil pressures. Assume the soil is in-situ and use a structural classification factor of ₁ = 1. 3m 1m Water table 1.5m 40 kPa Not to Scale Sand Clay Taarrow_forward
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