a. Hydrostatic uplift force, U b. Factor of safety against overturning c. Minimum pressure at the base of the dam Specific weight of concrete = 23.5 kN/m^3 Coefficient of static friction = 0.5 Coefficient of kinetic friction = 0.4 7m Water 6 m
Q: A dam with vertical upstream tace is 6.5 m high. 32 m wide of the bottom and 0.5 m at the top.…
A:
Q: Water is acting on the vertical side of a trapezoidal masonry dam 2m wide at the top 15m wide at the…
A:
Q: A dam with vertical upstream face is 6.5 m high. 3.2 m wide of the bottom and 0.5 m at the top.…
A:
Q: 1. A dam is triangular in cross-section with the upstream face vertical. The dam is 12 m high and 9…
A: Given Height of the Dam (H)= 12m Base width of dam (B)= 9m
Q: The section of masonry dam is shown in Fig. U. If the uplift pressure varies uniformly from full…
A: now calculated weight of dam wt of dam=wt of triangle1+wt of rectangle+wt of triangle2Wt of…
Q: (c) Determine the active earth pressure of the retaining structure as shown. 15⁰ -10 Y=20 kN/m³ 5 m…
A:
Q: A dam is triangular in cross section with the upstream vertical. Water is flushed at the top. The…
A: ASKED: To determine the factor of safety against sliding and overturning for the given dam. Given,…
Q: 1) The fill behind the brickworks retaining wall in Figure 1 has a density of 1800kg/m². A live load…
A: Given data: Density γs=1800kg/m3Density of brickwork γbrickwork=1900kg/m3Coefficient of lateral…
Q: If the stress at the toe of a trapezoidal dam is the maximum stress at the base and is equal to…
A: Given: The maximum stress is 172.6675 kPa. The eccentricity is 0.0427 m. The weight of the dam is…
Q: A retaining wall 8m supports a cohesionless soil having a dry density of 1600 kg/m3, angle of…
A:
Q: A masonry dam has a coefficient of permeability in the vertical and horizontal directions of…
A:
Q: A masonry dam has a coefficient of permeability in the vertical and horizontal directions of…
A: seepage flow is the flow of a fluid in permeable soil layers such as sand. Uplift pressure is also…
Q: masonry dam has a given cross-section shown. The intensity of hydrostatic uplift varies uniformly…
A:
Q: The intensity of the hydrostatic uplift varles uniformly from 20 % of the full hydrostatic uplift…
A: u=.6
Q: A masonry dam of trapezoidal cross section has a height of 22 m, with one face vertical and a…
A:
Q: A damn having a triangular section has a vertical face 24 m high and base 12 m wide. Use sg=2.4 a.…
A: (a) Height of water (h) Condition given is Maximum intensity of pressure at the toe = 2×Average…
Q: A concrete dam retaining water is shown in the figure. If the specific weight of the concrete is…
A: Given a concrete dam retaining water having specific weight of the concrete 23.5 kN/m3.
Q: Find the maximum intensity of pressure? 3. What is the factor of safety against overturning?
A: Draw the figure a.) The expression for force in horizontal direction is given as FH=12×γW×H2…
Q: Y-15 kN/m O-28° c-0 4m G.W.T. Yut 20 kN/m -33° 4m The above figure shows a concrete gravity…
A:
Q: 3. A masonry dam of trapezoidal cross section is 50 ft high. It has a thickness of 5 ft at the top…
A:
Q: What is the factor of safety against overturning for the triangular dam? Determine the pressure at…
A:
Q: Homework No. 1: For the hydraulic structure shown below: 1- Sketch the H.G.L from U/S to D/S 2. Find…
A: In accordance with Bling's creep theory, LBling's creep length=1+1+1+1+1+3+1+1 =10m
Q: A dam is triangular in cross section with the upstream face vertical. Water is flush with the top.…
A:
Q: For the dam retaining water as shown, find (A) the factor of safety against sliding if u=0.48, (B)…
A: Data given: Weight of concrete = 23.5 kN/m3 Asked: The FOS against sliding The FOS against…
Q: Foundation 3 m x 4.5 m 4.5 m Load 2025 kN -1.5 m- Determine the -3 m- increasing of vertical stress…
A:
Q: 1. Calculate the vertical effective stress at point A. All unit weights are in pef. Levee V = 125 15…
A: Given:- The unit weight of soil 1 = γ = 125 pcf The unit weight of soil 2 = γ = 119 pcf To…
Q: A concrete dam shown impounds water with a depth of 6 m. If the unit weight of concrete is 23.5…
A:
Q: total horizontal hydrostatic force acting on the dam
A:
Q: Ex: By Bligh's and Lane's theory For the hydraulic structures shown below calculate : 1- Sketch the…
A:
Q: 4. The masonry dam shown below has a crest width of 2m, base width of 15.0 m, and a height of 20m.…
A:
Q: In the figure shown, the concrete dam is 16m high and 13m wide at the base. If the specific weight…
A: The concrete dam in the illustration is 16 metres high and 13 metres broad at its base. Find the…
Q: A masonry dam has a coefficient of permeability in the vertical and horizontal directions of…
A: Step 1
Q: A dam is triangular in cross-section with the upstream face vertical. Water is flushed with the top.…
A:
Q: For the dam retaining water as shown in the figure, the foundation soil is permeable; assume…
A:
Q: 10 m "5. f" m 3 8 m 20 m 4
A: For Any gravity dam, there are forces acting on the dam body due to water on the upstream side and…
Q: Y=15 kN/m O'-28° 4m G.W.T. Yu 20 kN/m d-33° 4m The above figure shows a concrete gravity retaining
A: Hello dear this is the solution of your problem The answer is found to be Resultant active…
Q: A group of 4 point loads 3000 kN each are acting on the vertices of a rectangular area of length 5 m…
A:
Q: A gravity dam of trapezoidal cross section shown below, with one face vertical and a horizontal base…
A:
Q: A rectangular dam with base equivalent to 2.5-meters and height equivalent to 6-meters holds water…
A:
Q: 2000 mm 8000 mm 6000 mm
A: Dam is resisting lateral horizontal force applied by water by its own self weight this type of dam…
Q: SITUATION. A trapezoidal masonry dam with vertical upstream face is 6 m. high, 0.6m. at the top and…
A:
Q: SITUATION 4 Water is acting on the vertical side of a trapezoidal masonry dam 2 meters wide at the…
A: Given data Top width = 2m Bottom width = 15m Height of dam (h) = 20m
Q: A dam is triangular in cross-section with the upstream face vertical. Water is flushed with the top.…
A: We have to find the value of maximum and minimum unit pressure on the foundation and the factor of…
Q: A 30-m high triangular dam has a vertical upstream face from the horizontal base. The depth of water…
A:
Q: A 60 cm CI main pipe leads from a reservoir whose water surface is at Elev. 1590 m. Below the ground…
A:
Q: 1. The section of a concrete dam is shown in the figure. Concrete weighs 23.5 kN per cubic meter and…
A:
Q: A concrete dam retaining water is shown in the figure below. If the specific weight of the concrete…
A: Given :- Specific weight of the concrete = 23.5 kN/m3 Coefficient of friction between dam and…
Q: A concrete, gravity dam has the following cross section properties as given in the figure below. The…
A:
Q: A concrete dam is triangular in cross section and 30 m high from the horizontal base. If water…
A:
Step by step
Solved in 2 steps with 2 images
- In the figure shown, the concrete dam is 16m high and 13m wide at the base. If the specific weight of the concrete is 23.544KN/m^3 and height of water in the upstream side is 15m, find the factor of safety against sliding, factor of safety against overturning, and the unit pressure on the foundation. Assume there is a hydrostatic uplift that varies uniformly from full hydrostatic head at the heel of the dam to zero at the toe and that the coefficient of friction between the dam and the foundation is 0.50.The cross section of a braced cut supporting a sheet pile installation in a clay soil is shown in Figure 14.22. Given: H = 12 m, clay = 17.9 kN/m3, = 0, c = 75 kN/m2, and the center-to-center spacing of struts in plan view, s = 3 m. a. Using Pecks empirical pressure diagrams, draw the earth-pressure envelope. b. Determine the strut loads at levels A, B, and C.The section of masonry dam is shown in Fig. U. If the uplift pressure variesuniformly from full hydrostatic at the heel to full hydrostatic at the toe, but acts only 2/3 of the area of the base, find: (a) the location of the resultant, (b) factor safety against overturning, (c) factor of safety against sliding if the coefficient of friction between base and foundation is 0.60.
- A trapezoidal dam having a top width of 0.60m and a bottom width of 1.2m is 1.8m high. The depth of water on the vertical side of the dam is 2.4m. Unit wt. of concrete is 23.5 kN/m3. Neglecting hydrostatic uplift. Determine the total horizontal hydrostatic force acting on the dam, the factor of safety against overturning and the factor of safety against sliding if coefficient of friction between the dam and the soil is 0.80.A concrete gravity dam with a trapezoidal section is holding water as shown in the figure. A distance of 15 meters from the toe, a drain is located. The drain has a pressure due to uplift of zero and increasing uniformly to full hydrostatic at the heel. Upstream face 1H:5V, while downstream face is inclined 1H:2V. Which of the ff nearly gives the maximum foundation pressure on the base of the dam in kilopascal ? Assume 23.54 kN/m3 for the unit weight of concrete. a. 3114 b. 1095 c. 4115 d. 964 e. 680A trapezoidal dam with vertical upstream face is 6m high, 0.6m at the top and 3m wide of the bottom. Unit weight of concrete is 23.5 kN/m^3 Using the computed depth of water, compute the hydrostatic uplift force (pound-force) if the uplift varies from full hydrostatic pressure at the heel to zero at the toe using yards instead of meters
- A triangular dam has a vertical upstream face 30 m high from the horizontal base. The depth of water is 27 m on the vertical face. If concrete weighs 23.5 KN/m3. Determine the minimum width of the base such that the resultant force falls within the middle thirds, neglecting hydrostatic uplift. What is the minimum coefficient of friction to prevent sliding? What is the shearing stress at the depth of 10 m above the horizontal?It is required to design a cantilever retaining wall to retain a 5.0 m high sandy backfill. The dimensions of the cantilever wall are shown in Figure 15.52 along with the soil properties. Check the stability with respect to sliding and overturning, based on the active earth pressures determined, usinga. Coulomb's earth pressure theory (δ' = 24°), andb. Rankine's earth pressure theory.The unit weight of concrete is 24 .0 kN/m3A concrete dam retaining water is shown in the figure. If the specific weight of the concrete is 23.5 kN/m3, Find the factor of safety against overturning. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48. Find the factor of safety against sliding. Assume there is hydrostatic uplift that varies from full head at the heel to zero at the toe, and that the coefficient of friction between the dam and foundation soil is 0.58. Find the minimum pressure intensity on the base. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48. Find the maximum pressure intensity on the base. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48.
- A retaining wall 6 m high supports cohesionless soil having a dry density of 1600 kg/m³, angle of resistance 32 and void ratio of 0.68. The surface of the soil is horizontal and level with the top of the wall. Neglecting wall friction and using Rankine’s formula for active pressure of a cohesionless soil. 1. Determine the nearest value of the total earth thrust on the wall in KN per lineal meter if the soil is dry. a. 73.1 b. 86.7 c. 62.4 d. 98.1 2. Find the nearest value of the thrust on the wall in KN per lineal meter if owing to inadequate drainage, it is waterlogged to a level of 3.5 m below the surface. a. 112 b. 171 c. 147 d. 153 3. Find at what height above the base of the wall the thrust acts during the waterlogged condition. a. 2.21 m b. 2.00 m c. 1.74 m d. 1.42 mA dam is triangular in cross section with the upstream face vertical. Water is flush with the top. The dam is 8 m high, 6 m wide at the base and weighs 23.5 kN/m3 . The coefficient of friction between the base and the foundation is 0.80. There is hydrostatic uplift that varies from full hydrostatic pressure at the heel to zero at the base. b.) Determine the factor against overturning.A retaining wall 8 m high supports a cohesionless soil having a dry density of 1600 kg/m^3, angle of shearing resistance is 33 degrees and void ratio of 0.68. The surface of the soil is horizontal and level with top of the wall. Neglect wall friction and use Rankine’s formula for active pressure of a cohesionless soil. Determine the value of earth thrust on the wall per meter length if the soil is dry. a. 121 kN b. 186 kN c. 148 kN d. 137 kN determine the value of earth thrust on the wall if water level is 3.5 m below the surface. a. 230 kN b. 250 kN c. 180 kN d. 210 kN find the height above the base of the wall where the thrust acts during the water logged condition. a. 3.50 m b. 2.67 m c. 1.75 m d. 2.25 m