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

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

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter15: Braced Cuts

Section: Chapter Questions

Problem 15.6P

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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 . HANDWRITTEN PLS
Given: 1. Structural Component: Beam 300 mm x 400 mm Column 400 mm x 400 mm Slab thickness 110 mm 2. Dead Load: Super Imposed dead load = 4.5 KPa (including slab weight) CHB = 3.11 KPa 3. Seismic Parameter: Soil Profile - Sb Closest distance to the source - 10 km Ductility Coefficient R = 8.0 Seismic Zone Z=0.40 Ct = 0.0731 A. Compute TOTAL LATERAL FORCES in the 2nd floor? B. Compute LATERAL FORCES in the 3rd floor?
A 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 215 kN/m and service live load of 145 kN/m. The base of the wall footing slab is 1.0 m from the ground surface. Design parameters are as follows: γsoil = 16 kN/m3, γconc = 24 kN/m3, qa = 200 kPa, f’c = 28 MPa and fy = 420 MPa. alculate the effective net soil bearing capacity of the soil. = kPa (one decimal place)
You are working for a consulting firm that has been asked to evaluate the factor of safety of the wall shown in the figure supported by a well-degraded sand. The resultant load behind the concrete wall acts at the one third point. Dw 1m 1.5 m 24 kN/m³ y = 20 kN/m³ 26.5 kN/m 24° = 34° n = 0.4 3 m (a) Determine the factor of safety if Dw − D > 1.5B. Ignore the lateral passive resistance due to the soil in front of the wall. (b) Determine the factor of safety if the ground water table rises to 0.5 m below the base of the wall. Discuss the significance of your observations.
1.A raft foundation 60 X 40 m carrying a net pressure of 145 kN/m^2 is located at adepth of 4.5 m below the surface in a deposit of dense sandy gravel 22 m deep: thewater table is at a depth of 7 m. Below the sandy gravel is a layer of clay 5 m thickwhich, in turn, is underlain by dense sand. The value of mv for the clay is 0.22 m^2/MN. Determine the settlement below the centre of the raft, the corner of the raftand the centre of each edge of the raft, due to consolidation of the clay.
Q2: For the following soil profile and retaining wall condition shown, find the active earth force on the wall and its location. If the groundwater was lowered to 15.0 m, what would be the value of the active force on the wall? (Assume the total unit weight of soil after groundwater lowering is 20.0 kN/m³). 950.0 kPa H-10.0 m Sandy soil KN 7² Year 20 0 = 30,0⁰ 8=0.0 9:00 e-0.676 0-17.78%
A masonry dam has a coefficient of permeability in the vertical and horizontal directions of kz=4m/day and kx=5m/day, respectively. The difference in the head is 18 m and the distance between the base of the dam and the downstream water surface is 18m. Assume z=35 m and width of Dam =40m Determine a) the seepage flow b) the uplift pressure (kpa)at point A C) the uplift force (Kn) acting in the dam. assume that the uplift pressure under the dam varies uniformly
Given: 1. Structural Component: Beam 300 mm x 400 mm Column 400 mm x 400 mm Slab thickness 110 mm 2. Dead Load: Super Imposed dead load = 4.5 KPa (including slab weight) CHB = 3.11 KPa 3. Seismic Parameter: Soil Profile - Sb Closest distance to the source - 10 km Ductility Coefficient R = 8.0 Seismic Zone Z=0.40 Ct = 0.0731 A. Compute the DESIGN BASE SHEAR (V = Cv*I*W /R*T). B. Compute the Minimum DESIGN BASE SHEAR (V =0.11Ca*I*W).
What is the natural period of a layered soil with medium gravel of depth 40m? Is it safe to build a multi-storey building with fundamental period of vibration equal to 1.5 seconds, as that displayed in the figure below, on a site with the above soil type? Is this site more suitable for a particular type of structure shown below? T=1.5 secs T=4.5 secs T=0.2 secs V,=780 m´sec T= ? H=40m
a 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.94 kN/m. the base of the wall footing slab is 1.2 m from the ground surface. design parameters are as follows: ysoil = 16 kN/m^3, yconci = 24 kN/m^3. qa = 215.46 kPa. f'c = 27 MPa and fy = 420 MPa. 1. calculate the net allowble bearing capacity of soil in kPa. a. 192.17 b. 189.06 c. 117.32 d. 176.26 2. calculate the minimum required width of the wall footing slab. a. 1.9 m b. 2 m c. 1.8 m d. 1.7 m 3. calculate the maxium ultimate moment (kN.m) in the slab if the width of the footing slab is 2.1 m. a. 82.64 b. 94.63 c. 128.80 d. 111.32
1. A masonry dam 60cm on top and 3 m at the bottom and 7 m high has water 5 m deep acting on its vertical sides. Specific weight of masonry is 23.54 KN/m^3. How far is the vertical resultant force from the toe? 2. A 0.65-meter diameter window has its center five meters below the water surface. Determine the force acting on the window considering the window is submerged vertically.
a 300 mm thick footing slab supports a 300 mm thick concrete wall carrying uniform service dead load of 214.31 kN/m and service live load of 145.94 kN/m. the base of the wall footing slab is 1.2 m from the ground surface. design parameters are as follows: ysoil = 16 kN/m^3, yconci = 24 kN/m^3. qa = 215.46 kPa. f'c = 27 MPa and fy = 420 MPa. 1. calculate the required center to center spacing of 16 mm bars for flexure if the maximum factored moment in the slab is 75 kN.m a. 150 mm b. 180 mm c. 210 mm d. NOTA 52. calculate the ultimate beam shear stress on the footing slab if the footing slab is 2.1 m wide. a. 1.25 MPa b. 0.74 MPa c. 0.87 MPa d. 0.96 MPa