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Q2: Design and sketch with using excel an overflow spillway section for a design discharge of...
1. Design a suitable section for the overflow portion of a concrete gravity dam having the...
1. Design a suitable section for the overflow portion of a concrete gravity dam having the downstream face sloping at a slope of 0.7 H: 1 V. The design discharge for the spillway is 8,000 mº/s. The height of the spillway crest is kept at RL 204.0 m. The average river bed level at the site is 100.0 m. The spillway length consists of 6 spans having a clear width of 10 m each. Thickness of each pier may be...
Design an ogee spillway with the following data: (i) Height of spillway crest above river bed 100 m (ii) Design discharge 12,000 cumecs (iii) Number of spans 6 (iv) Clear distance between piers 1...
Design an ogee spillway with the following data: (i) Height of spillway crest above river bed 100 m (ii) Design discharge 12,000 cumecs (iii) Number of spans 6 (iv) Clear distance between piers 15 m (v) Thickness of pier 3 m Slope of d/s face of the overflow section 0.8:1 Assume any other data if required.
Design an ogee spillway with the following data: (i) Height of spillway crest above river bed 100 m (ii) Design discharge 12,000 cumecs (iii)...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship to predict the stage for known discharge. Assume the stage value for a zero discharge as 20.50 m. Also determine the stage of river corresponding to a discharge of 2600 m3/s. Table 1: Stage discharge data Stage (m): 21.95 22.45 22.8 2323.4 23.75 23.65 Q (m3/s)100 220 295 400 490 500 640 Stage (m) 24.05 24.55 24.85 25.4 25.15 25.55 25.9 m3 /s) 780 1010...
ENCE 4322/53222 2. Reservoir A delivers to reservoir B through two uniform pipelines AJ (3000 m...
ENCE 4322/53222 2. Reservoir A delivers to reservoir B through two uniform pipelines AJ (3000 m long) and JB (4000 m long) of diameters 300 mm and 200 mm, respectively. The difference in elevation between the water level in the two reservoirs is 25 m. Just upstream of the change in section, which is assumed gradual (no minor losses), a controlled discharge of 30 L/s is taken off 3000 m 304 Assume kinematic viscosity - 1.14x10m/s, and a pipe effective...
A gravelly sand channel slopes away from a reservoir, through the reservoir rim, to an adjacent...
A gravelly sand channel slopes away from a reservoir, through the reservoir rim, to an adjacent drainage area. The channel slopes at a gradient of 23 m (75 ft) vertically to 30.5 m (100 ft) horizontally. In cross section the channel is 1.8 m (6 ft) thick and 4.6 m (15 ft) wide. The channel intersects the adjacent drainage area at a horizontal distance of 152.4 m (500 ft) from the reservoir. a. At minimum pool elevation in the reservoir...
Q2) A canal of trapezoidal section has bed width of 8 m and bed slope of...
Q2) A canal of trapezoidal section has bed width of 8 m and bed slope of 1 in 4000. If the depth of flow is 2.4 m and side slopes of the chamel are 1 horizontal to 3 vertical, determine the average flow velocity and the discharge carried by the channel. Also compute the average shear stress at the channel boundary. Take value of Chezy's constant = 55. Q3) 6.11. A power canal of trapezoidal section has to be excavated...
A levee is constructed atop a 3m thick clay layer resting atop a sand layer. During...
A levee is constructed atop a 3m thick clay layer resting atop a sand layer. During a storm event, the levee retains water and the soil at the bottom of the channel is sand that is hydraulically connected to the sand beneath the clay. Head loss in the sand layer is negligible (i.e., the total head at point A is the same as the total head at point B), and water flows vertically upward through the clay. The water table...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
Using the values provided in Table 21-1, minimum sewage elevation in interceptor of 112.60 m, maximum...
Using the values provided in Table 21-1, minimum
sewage elevation in interceptor of 112.60 m, maximum sewage
elevation in interceptor of 112.80 m, discharge elevation to
stilling well of 116.40 m, an average design flow of 8,600
m3/d, peaking factor for peak hour of 2.8 and minimum
factor of 0.49.
A. Determine the most efficient screw pump diameter
(in m)
B. How many flights are recommended
C. How many pumps are recommended in the final design?
Typical/comment TABLE 21-1 Typical...
1. Using the concepts covered in earth pressure theories (not Taylor's chart), the critical depth of...
1. Using the concepts covered in earth pressure theories (not Taylor's chart), the critical depth of vertical cut in a saturated cohesive soil with c = 15.5kPa and y = 18 kN/m3 will be? a) 0.86 m c) 6.88 m b) 3.44 m d) 1.72 m condition: 2. The upstream and downstream slopes of an earth dam is critical for the a) reservoir partial pool c) steady seepage b) sudden drawdown d) earthquake 3. In the simplified Bishop's method of...
1. Design a suitable section for the overflow portion of a concrete gravity dam having the downstream face sloping at a slope of 0.7 H: 1 V. The design discharge for the spillway is 8,000 mº/s. The height of the spillway crest is kept at RL 204.0 m. The average river bed level at the site is 100.0 m. The spillway length consists of 6 spans having a clear width of 10 m each. Thickness of each pier may be...
Design an ogee spillway with the following data: (i) Height of spillway crest above river bed 100 m (ii) Design discharge 12,000 cumecs (iii) Number of spans 6 (iv) Clear distance between piers 15 m (v) Thickness of pier 3 m Slope of d/s face of the overflow section 0.8:1 Assume any other data if required.
Design an ogee spillway with the following data: (i) Height of spillway crest above river bed 100 m (ii) Design discharge 12,000 cumecs (iii)...
Q1. The stage-discharge data of a river are given below. Establish a stage discharge relationship to predict the stage for known discharge. Assume the stage value for a zero discharge as 20.50 m. Also determine the stage of river corresponding to a discharge of 2600 m3/s. Table 1: Stage discharge data Stage (m): 21.95 22.45 22.8 2323.4 23.75 23.65 Q (m3/s)100 220 295 400 490 500 640 Stage (m) 24.05 24.55 24.85 25.4 25.15 25.55 25.9 m3 /s) 780 1010...
ENCE 4322/53222 2. Reservoir A delivers to reservoir B through two uniform pipelines AJ (3000 m long) and JB (4000 m long) of diameters 300 mm and 200 mm, respectively. The difference in elevation between the water level in the two reservoirs is 25 m. Just upstream of the change in section, which is assumed gradual (no minor losses), a controlled discharge of 30 L/s is taken off 3000 m 304 Assume kinematic viscosity - 1.14x10m/s, and a pipe effective...
Q2) A canal of trapezoidal section has bed width of 8 m and bed slope of 1 in 4000. If the depth of flow is 2.4 m and side slopes of the chamel are 1 horizontal to 3 vertical, determine the average flow velocity and the discharge carried by the channel. Also compute the average shear stress at the channel boundary. Take value of Chezy's constant = 55. Q3) 6.11. A power canal of trapezoidal section has to be excavated...
A levee is constructed atop a 3m thick clay layer resting atop a sand layer. During a storm event, the levee retains water and the soil at the bottom of the channel is sand that is hydraulically connected to the sand beneath the clay. Head loss in the sand layer is negligible (i.e., the total head at point A is the same as the total head at point B), and water flows vertically upward through the clay. The water table...
A 4-m high dam with a slope of 8:1 ?V) has been proposed to ensure steady water levels in a rectangular channel with a width of 5 m, a bottom slope of 0.2%, a Manning's n of 0.02, and discharge rate of 10 m3/s as shown below. proposed aim So-0.002 1. (15 points) Sketch out the gradually varied flow profiles for the water surface around the proposed dam by hand a. Determine the critical depth for the channel b. Estimate...
Using the values provided in Table 21-1, minimum
sewage elevation in interceptor of 112.60 m, maximum sewage
elevation in interceptor of 112.80 m, discharge elevation to
stilling well of 116.40 m, an average design flow of 8,600
m3/d, peaking factor for peak hour of 2.8 and minimum
factor of 0.49.
A. Determine the most efficient screw pump diameter
(in m)
B. How many flights are recommended
C. How many pumps are recommended in the final design?
Typical/comment TABLE 21-1 Typical...
1. Using the concepts covered in earth pressure theories (not Taylor's chart), the critical depth of vertical cut in a saturated cohesive soil with c = 15.5kPa and y = 18 kN/m3 will be? a) 0.86 m c) 6.88 m b) 3.44 m d) 1.72 m condition: 2. The upstream and downstream slopes of an earth dam is critical for the a) reservoir partial pool c) steady seepage b) sudden drawdown d) earthquake 3. In the simplified Bishop's method of...
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