triangular dam 12 m high and 8 m base width retains water 10 m deep and has a vertical upstream side. Compute the maximum soil pressure at the base. Sp. gr. of concrete is 2.4 a. 152.92 kPa b. 192.25 kPa c. 122.34 kPa d. 129.95 kPa
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A triangular dam 12 m high and 8 m base width retains water 10
m deep and has a vertical upstream side. Compute the maximum soil
pressure at the base. Sp. gr. of concrete is 2.4
a. 152.92 kPa b. 192.25 kPa
c. 122.34 kPa d. 129.95 kPa
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- A gravity dam has a tringular cross section, with the upstream face vertical and with the impunded water flushed with the crest. The height of the structure is 8 m while its base is 6 m long. If there is no hydrostatic uplift and the friction coeffient between the base and the foundation is 0.80 and the spefcific weight of concrete is 23,540 N/m^3, find the factor of safety against sliding. a.2.67 b.5.24 c.1.44 d.2.57A gravity dam has triangular cross section, with the upstream face vertical and impounded water flushed with the crest. The height of the strcuture is 8m while its base is 6 m long. If there is no hydrostatic uplift and friction coefficient between base and the foundation is 0.80. Find the factor against overturning. Specific weight of concrete is 23,540 N/m^3. a. 2.67 b. 1.44 c. 1.90 d. 2.57 With F.B.DWater flows uniformly in a rectangular concrete open channel that is 10 m wide at a depth of 3m. The channel slope is 0.0025. Using n = 0.013. Find the velocity, flow rate and the boundary shear stress.
- 1. A rectangular dam with base equivalent to 2.5-meters and height equivalent to 6-meters holds water with an upstream height of 4.5-meters. Compute for the factor of safety against sliding and overturning. Unit weight of concrete is 23.54 kN/cu.m. Consider 1 meter length strip. Disregard hydrostatic uplift pressure. The coefficient between the dam and the foundation is 0.4.1. A trapezoidal channel has a bottom width of 6 m and side slopes of 2H:1V. If thedepth of flow is 1.2 m and the flow is 20.40 m3/s,a. Compute the specific energy b. Compute the slope of channel if n = 0.014 c. Compute the average shearing stress at the boundaryA rectangular gravity dam has a height 5 m. It retains 3 mdeep of water. Calculate the minimum width of the concrete damthat is necessary to prevent the dam from sliding. The specificgravity of the concrete is 2.4 and the coefficient of frictionbetween the base of the dam and the foundation is 0.50. Use factorof safety against sliding of 1.5. a. 3.214 m b. 2.345 mc. 1.125 m d. 1.254 m
- A rectangular channel carries a discharge of 18.10m3/s when flowing 1.5m depth. If the width of the canal is 10m, determine: The specific energy, Slope of the channel if n= 0.35, and Boundary shearing stress in Pascals.A concrete gravity dam has maximum water level 205.0 m, bed level 126.0 m, top R.L. of dam 210.0m, downstream face slope starts at R.L. 200.0 m, downstream slope 2:3, tail water is nil, upstreamface of dam is vertical, centre line of drainage gallery is 8 m downstream of upstream face, upliftpressure is 100 per cent at heel, 50 per cent at line of gallery and zero at toe, weight of concrete is 2.5tons per cubic metre. Considering only weight, water pressure and uplift, calculate the maximumvertical stresses at the toe and heel of dam. Take coefficient of uplift pressure as 1.An embankment for road traffic is required to be constructed with the followingdimensions :Top width = 8 m, height = 4 m, side slopes= I V : 1.5 HorThe unit weight of soil under the worst condition is 21 kN/m3. The surcharge load on theroad surface may be taken as 50 kN/m2. Compute the vertical pressure at a depth of 6 mbelow the ground surface at the following locations:(i) On the central longitudinal plane of the embankment,(ii) Below the toes of the embankm
- a triangular dam has triangular cross section with upstream face vertical and impounded water flushed with the chest. The height of the structure is 8m while its base is 6m long. If there is no hydrostatic uplift and friction coefficient between base and the foundation is 0.80. Find the factor against overturning. Specific Weight of concrete is 23,530 N/m^3Consider a farm irrigation ditch in a loam soil having the following dimensions: bottom width= 0.6 m, total depth, 0.5 m, side slopes= 1.5 horizontal to 1 vertical, and depth of water= 0.4 m. If the bottom of the ditch has a uniform slope of 2 m/km, and if the bottom & sides are kept smooth and free from weeds, what will be the mean velocity(m/s) of flow and discharge in m^3/s? Use n = 0.02. Find the shear stress at the watersurface, at half flow depth, and the canal bottom in N/m2 (or Pa). What is the shear velocity in m/sec?A slab shown supports the load W1 and W2 for every one-meter strip along the longitudinal section. If the total length L= 15m and W=145 kN/m, determine the load W2 in kN/m so that the upward pressure on the slab is uniform and that the barge remains horizontal