section of a cofferdam
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Q: FOOTING COLUMN DETAIL DETAIL 80 cm 30 cm 30 cm 80 cm WALL FOOTING BEAM DETAIL DETAIL 45 cm 25 cm 30…
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Q: show steps At point (A)
A: Given Data:Load=20kNL=4mb=200
The section of a cofferdam is as shown in the figure.
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- 1. Percent passing on sieve 4.75mm Weight Individual Cumulative F Sieve Retained Percent Percent (g) 4.75mm 31.5 2.36mm 67.6 1.18mm 96.5 600um 111.1 300um 60.5 150um 115.6 75um 17.5 pan 31.5 Oa. 93.70 ) b. 90.70 Oc. 97.70 d. 99.70A municipal wastewater treatment plant employs three circular primary clarifiers arranged in parallel, following the bar screen and grit removal chamber. The plant receives 12 MGD. Each clarifier is center-fed (water enters at the center and exists at the perimeter).The clarifier radius is 56 ft and depth is 10 ft.What is the hydraulic loading rate (critical velocity) in each clarifier in units of ft3.ft-2.hr-1 ?Juo Situation 1: alqma Isoubilya s no 300 hom63 28W 120 illdsom bsod terco A Sito be A layer of saturated clay 4 m thick is overlain by sand 5 m deep, the water table being 3 m below the surface. The saturated unit weights of the clay and sand are 19 and 20 kN/m², respectively. Above the water table, the dry unit weight of the sand is 17 kN/m³. Determine the following: 169 11 1. Effective stress. 167 kPa b. 71.38 kPa 2. Water pressure. a. 167 kPa b. 71.38 kPa ASYMENT nim ni PTSS.O d. nimal+vsso d almal 2017.O .b 3. Total stress or pressure. 167 kPa 108.14 kPa 58.86 kPa im ni ni vioolov.sgisdbal 108.14 kPa 58.86 kPa nimal XP240 biov odt li visolev ogeqso? TA24.0 niral 201.I d C. 108.14 kPa dribsnodeb. sin 71.38 kPani benimsieb 26 dalam 58.86 kPa vivibubno osbyd SAT bozu sish edT 191emseneg baad gailiste to seu geblso
- WW Water Treatment II- 15th May 2022- Third Class- Pollution Control Branch US 3 Q1: AP. 5 Vs Determine the terminal settling velocity for a sand particle with an average diameter of 0.5 mm and a density of 2600 kg/m³ settling in water at 20°C. μ = 1.002 × 10-³ N-s/m² Pw= 998.2 kg/m³ 8(pp-P.) d 18μ U₂ RePwVsdp/H, Cp- = Stock 3 24 + N +0.34Q- If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of 1.35*10-2cm/s. Calculate its seepage velocity.4G 18:46 | 89.6KB/s Vo LTE 89 Prob Set 2 Physical Prope... Problem Set 2: 1. Use the general definitions to derive the relation between the Moist Unit Weight, Specific Gravity of Solids, Moisture Content, and Void Ratio: G,Y»(1+w) 1+e ote: Apply the Rule of Thumb erive the relation between Moist Unit Weiaht. Specific Gravitv of Solids. ree of Saturation, and Voic rive an expression the bu weight (Ya), the porosity (n), ar ASTM PROCEDL.RE Ria ile ila l L te serurer wdh nat TErFths Noa I To na ryr K FRr a t ct meula et the spocmer, aiarat dalIm You n he ated te pr der M CE-PC 314: Geotechnical Engineering (Soil I ndr pperna hegt Mark Anthony +96 Problem Set 2: 4. A sample of gray silty clay has a mass of 126 kg. Laboratory tests results give a moist density (p) of 2.05 g/cm³, a specific gravity of solids (G,) of 2.71, and a moisture content (w) of 15.7%. First determine all entries in the phase diagram. Then determine the void ratio (e), the porosity (n), the degree of saturation (S),…
- Example 11:Average permeability of beds in series. What is the equivalent permeability of four beds in series, having equal formation thickness under the following conditions: (1) for a linear system, and (2) for radial system if the radius of the penetrating well bore is 6 inches and the radius of effective drainage is 2,000 ft? Horizontal permeability, millidarcy Bed Length of bed, ft 1 250 25 2 250 50 3 500 100 4 1000 200 Solution: (Home work))pesign a rectangular sedimentation tank to treat 120000 m3/day flows. ssume the SOR=30 m/day, L= 32 m, LW-4:1. D.T-3hr?DETERMINE: a. Rate of seepage into the well during pumping
- Question 2 Figure Q2 shows a flownet for a concrete dam with a sheet pile cut-off at the upstream face. The soil beneath the dam has a permeability of 2×10-7 m/sec. 6m AVA 18m Dam Impervious Figure Q2 9m 7m 2m 12m AVAVAVAVAWAY (a) Explain what these solid and dashed lines in Figure Q2 represent and their physical significance in engineering application. (b) Using the flownet above, estimate the flow rate beneath the dam and the uplift water pressure at Points A and B on the bottom of the concrete dam. (c) Using the flownet above, estimate the vertical effective stress at Point C. The saturated unit weights of soil and unit weight of water are taken as 20 kN/m³ and 10 kN/m³, respectively.Earth is required to be excavated from the borrow pits for buildingembankment as shown in the figure. The moisture unit weight ofthe borrow pits is 18 kN/m3 and its water content is 8%. Estimatethe quantity of earth required to be excavated per meter length ofembankment. The dry unit weight required for the embankment is15 kN/m3 with a moisture content of 10%. Assume the specificgravity of the solids as 2.67. Also determine the degree ofsaturation of the embankment and volume of the water in theembankment1. Percent passing on sieve 600um Weight Retained Individual Cumulative Percent Sieve (g) Percent Percent Passing 4.75mm 31.5 2.36mm 67.6 1.18mm 96.5 600um 111.1 300um 60.5 150um 115.6 75um 17.5 pan 31.5 O a. 38.70 O b. 36.70 O c. 34.70 O d. 40.70