Use: Bligh Method and Lane Method The cross section of a concrete dam is as shown below Investigate whether the weir is safe against piping hazards based on the method prom Bligh and the Lane Method with

Q: 7) The floor of a weir is 20 m long with two sheet piles of 5 m at the downstream end and 4.5m at…

A: b = 20mH = 3.9mL1 = 4.5mL2 = 5m

Q: Problem 3.134. Given: اده Solution: 3L- EL d = ? P = 0.75 SG=1.0 SG=1.2 Pater Find: To what depth d…

A: Given Density of body = 0.75 × density of waterWidth 6 LSpecific gravity = 1 and 1.2 To find out…

Q: 1. Calculate the rate of flow or seepage flow per meter length of the sheet pile at right angle to…

A: Given data in question  Permeability  Elevation difference in upstream and downstream end. Number of…

Q: Q4: For the flownet shown in fig. below soil has k= 4 x107 ft/s and the saturated density is 110.4…

A: Coefficient of permeability, Saturated density, To find:            (a) Quantity of seepage…

Q: cite literature that discusses the use of weir in field application

A: Weir- A weir is a tiny dam that spans a body of water like a river. We utilise them to aid in the…

Q: Example A flow net for flow around single row of sheet piles in a permeable soil layer is shown in…

A:

Q: 5.18 A cut is made in a stiff, saturated clay that is underlain by a layer of sand. What should be…

A: To find the height of the water (hw) -

Q: b. What length of Cipolletti weir should be constructed so that the head will be 1.54 ft when the…

A: Given data H = Head = 1.54 ft Q = Discharge = 122 cfs Required- To calculate the length of…

Q: nstable. For ns, show your work for both the equation method and the "by inspection metho nowing…

A:

Q: For sieves with openings smaller than 4.75mm (No. 4), the quantity retained on any sieve at the…

A: given data: For sieves with openings smaller than 4.75 mm (No. 4), the quantity retained on any…

Q: Fill in the blanks! 1. ................are used in open channels systems to control and regulate the…

A:

Q: Draw a flow net for the single row of sheet piles driven into a permeable layer as shown in Figure…

A: k = 4 x 10-4 cm/s or 4 x 10-6 m/sH1 = 3 m H2 = 0.5 m D = 1.5 m D1 = 3.75 m

Q: Determine the seepage loss per meter length of the sheet pile if hydraulic conductivity, k is 4.1 X…

A:

Q: Given h = 30 m, D= 40 m and the soil beneath the dam has a hydraulic conductivity of 3×103 cm/s.…

A: Given, h = 30 m D = 40 m  k = 3 x 10-3 cm/s or 3 x 10-5 m/s

Q: Q3 The system shown in figure find the following: a-flow rate per meter length of sheet pile ,if k=…

A: K=1x10-4 m/sec, L=1.5 m, Void ratio(e)=0.57, Specific gravity(G)=2.68.

Q: 6) A rectangular settling basin with dimension (LXWXH) 50m x 25 m x 5 m used to settle particles in…

A: Given L = 50 m W = 25 m H = 5 m  Detention time of 2.5 hours

Q: Given h = 30 m, D= 40 m and the soil beneath the dam has a hydraulic conductivity of 3x10-3 cm/s.…

A: Given, h = 30 m D = 40 m  k = 3 x 10-3 cm/s or 3 x 10-5 m/s

Q: Q: For the weir below, if you know the pressure head at point A is equal to 20 m, K=3*10-3 m/sec,…

A:

Q: A- The load (Q=900 ton) locate at x, determine the max. & min. pile reaction for the given condition…

A: The pile is the supporting or substructure for the bridge or building when loading is acting due to…

Q: 4. For the system shown in the figure below: Datum 5.0 m 7.0 m 5.0 m a) Flow rate per meter length…

A: Given data in question  Flownet Head difference  Void ratio Specific gravity  To find out  Discharge…

Q: The horizontal floor with a length of 15 m, has one downstream sheet pile with a depth is 12 m, an…

A: H=3 m Take ρ of concrete=2.45α=bd=1512=1.25λ=1+1+α22=1+1+1.2522=1.3 Required: To calculate floor…

Q: d. Starting out from the condition where the water table is above the excavation line on both sides…

A: Brief concept introduction- Sheet Pile- Sheet piles are used to support earth retention and…

Q: Given year of fill sediment =50 yr, Increment volume = 7000 acre-ft, trap efficiency = 90% and 91% ,…

A:

Q: The demand of water is 150 litres/head/ day in a city of one lakh population. The factor of safety…

A: Given - Demand of water = 150 litres/head/day The factor of safety = 1.5 Detantion time = 4 hours…

Q: 7) The floor of a weir is 20 m long with one 10 m sheet pile at the downstream. The pond level depth…

A: b = 20 m L = 10 m H = 10 m

Q: What should be the drainage capacity of the collector pipe? K=5 x 10-4 cm/s

A: Given:- The value of hydraulic conductivity (K) = 5 x 10-4 cm/s The value of H = 20 ft The value of…

Q: A circular sedimentation tank with central chamber of 4 m in diameter is designed to treat 75 m/hr.…

A: Solution; Given that; Diameter of Central chamber(d)=4 m The flow rate of water(Q)=75 m3/h Detention…

Q: Match Column X with Column Y: Column X Column Y (P) Horton equation (I) Design of alluvial char…

A: Horton's equation is related to the infiltration. It is used to calculate to the value of…

Q: 6 ft Shoe

A: Given:- k=10-3ft/sec To find:- seepagein permeable layer at a)x'=1ft b)x'=2ft

Q: State the reason why we use weir in the cahnnel

A: Weir in an open channel

Q: A weir is used mostly to  :       a. measure the flow rate of open-flowing liquids       b.…

A: A weir is nothing more than an overflow structure created perpendicular to the axis of an open…

Q: In-situ stresses – Seepage condition ground level sheet piling Example: For the sheet pile which T…

A: Consider the given data Yd=18 kN/m3Ysat=20 kN/m3Yw=10 kN/m2 Calculate total stress and effective…

Q: Try making the flow net for the following diagram. Given: H1= 6m H2= 1.5 m D= 8m D1= 4m Draw a flow…

A:

Q: Refer to Figure 8.23. Given:• H1 = 6m• H2 = 1.5 m• D = 3 m• D1 = 6 mDraw a flow net. Calculate the…

A: Solution

Q: Silty clay Y- i18 Iivn C,- 700 Ib/ft 20 ft Groundwater Plasticity index, PI = 15 table . Silty clay…

A: Given : Equation 9.45, fav = 0.02 pa(N60) Equation 9.46, fav = 0.01 pa(N60) Equation 9.47, fav =…

Q: 8.1m Sheet pile 1.5 m 9.0 m Heave zone Impervious stratum The porewater pressure at point A (in…

A:

Q: 8. Trapezoidal weir has another popular name. What is it? a) Cipolletti weir b) Hagen Poiseuille's…

A:

Q: assume all structures are composed of frame elements (beams and columns), i.e. internal shear,…

A: External indeterminacy (n se)=(Total number of external support reaction developed) - (number of…

Q: The sheet pile shown on the figure below is driven into a soil with a permeability k = 22 × 10-4…

A: Given:The soil with a permeability, k = 22 X 10-4 cm/s. To find:a- the seepage loss per meter…

Q: An error of 1% in measuring H will produce.. error in discharge over a triangular notch or weir (a)…

A: Given data : dHH=1%=1100

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.