11-12. The rapid sand filter being designed for Laramie has the characteristics shown below.Using the Rose equation, determine the headloss for the clean filter bed in a stratifiedcondition.Depth = 0.75 mFiltration rate=230 m³/d. m²Sand specific gravity = 2.80Shape factor= 0.80Stratified bed porosity = 0.50Water temperature = 5°C 000Sand analysisU.S. StandardSieve No.8-1212-1616-2020-3030-4040-5050-70Mass percentretainedolas 19) misshpa palad.thunde goed bi puntob bazogToli muibomonom bod qoob aumis broosz orT 2007reo azolbsod Isto odi of mat laitlobodi omuzzA .notit ovar boy tooda0.000.4013.101.7850.015ee-q54.50m od doinw 30 5i coltul sdı vilimsbl30.20

Answered: Image /qna-images/answer/f91d6373-ed2e-4763-b47e-3e55d48d5e11.jpg

11-12. The rapid sand filter being designed for Laramie has the characteristics shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth = 0.75 m Filtration rate 230 m³/d- m² Sand specific gravity = 2.80 Shape factor 0.80 Stratified bed porosity = 0.50 Water temperature = 5°C 000 bozoq nom bod qoob as mat bnoosa oT and zzolbaod odi omuzzA .notiw over boy toda

11-12. The rapid sand filter being designed for Laramie has the characteristics shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth = 0.75 m Filtration rate 230 m³/d- m² Sand specific gravity = 2.80 Shape factor 0.80 Stratified bed porosity = 0.50 Water temperature = 5°C 000 bozoq nom bod qoob as mat bnoosa oT and zzolbaod odi omuzzA .notiw over boy toda

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A standard Proctor Test has yielded the values shown below. Determine: (a) The maximum dry unit weight and its OMC at Volume of 1/30 cubic ft. (b) The moisture for 93% of maximum dry unit weight. range STANDARD PROCTOR TEST RESULTS TRIAL WEIGHT OF SOIL (Ibs.) MOISTURE (%) |8.24 3.26 4.15 1 10.20 4.67 12.30 4. 4.02 14.60 3.36 16.80 23
A silt particle with a density of 2500 kg/m3 and terminal settling velocity (vs) of 1.9 m/hr is entering a rectangular sedimentation basin which has a depth (H) of 4 m. The entire flow rate of 21000 m3/day has to flow through the basin. The temperature of operation is 20C and the density of water at this temperature is 998 kg/m3 and the viscosity is 0.001 kg m-1 s-1. Note: Volume of a rectangular basin = L x W x H.1) What is the size of the particle?2) What will be the volume of the rectangular sedimentation basin needed to remove the particle from the water, assuming 100% removal?
For a constant head laboratory test on a fine sand, the following are the given values: Length of the specimen 14.00 cm Diameter of the specimen 7.60 cm 42.00 cm 395 cu.cm . Void ratio 0.40 A. Compute for the hydraulic conductivity of the soil in cm/sec. B. Determine the discharge velocity through the soil in cm/sec. C. Determine the seepage velocity in cm/sec. . . . Head difference . Water collected in 3.50 mins
.
(a) Moisture content (b) Dry density (c) Bulk density (d) Void ratio (e) Degree of saturations
A rapid sand filter provided in a town have undisturbed depth of 0.55 m. The average settling velocity and specific gravity of filter media particles are 4 cm/s and 2.5 respectively. After cleaning of filter by backwash the head loss through filter per meter depth is 0.6 m/m. The backwash velocity during washing of filter is cm/s.
0.02 mm silt particles are completely destabilized by adding alum and are passes through completely mixed flocculation basin (CSTR). The basin is cube with 3.0 m dimension. The water entering the flocculator with flow rate of 0.09 m3/s. What is the efficiency of this flocculator in removing particles given that (mixing intensity G = 250 1/s; flock volume Q=5*105, and collision efficiency factor a=1) a. 85% b. 93% c. 83% d. 96 % e. 90%
Question 3 Soil Compaction a) What are the factors that influence compaction of soil? b) In order to solve the problems of traffic jam through Town P, an embankment of 5 m high and 2 km long is proposed to be constructed to provide the roadway in a low land area. The embankment has a slope of 1 horizontal to 2 vertical (1H: 2V) on both sides and must be 12 m wide on its crown to provide 4 lanes. During the construction of the embankment, the selected borrow soil fill material has to be compacted at its maximum dry unit weight. -12 m- 5m Cross section of the embankment The results of standard proctor tests conducted on the fill material during the preliminary investigation are as follows: Bulk density (kg/m') 1840 2050 2160 2190 2180 2150 6.2 8.0 Water content (%) 9.3 10.2 12.1 13.6 i. Plot the compaction curve of the soil material. ii. Obtain the maximum dry unit weight with its corresponding water content and degree of saturation given that the specific gravity of the soil, Gs is…
An amount of Sand weighs 500g in stock condition and 480 g in oven dry condition. If absorption capability of the sand is 1.2%, calculate MC(SSD) for the
A constant head permeability test is performed on soil that is 4 cm2, and 2.5cm long. The head difference applied during the test is 20 cm and 7 cm3 is collected over a time of 100 sec. Provide step by step solution. What is the permeability based on these test conditions and results.
4. The rapid sand filter being designed for a certain town has the characteristics and sieve analysis shown below. Using the Rose equation, determine the headloss for the clean filter bed in a stratified condition. Depth=0.60 m Filtration rate = 130 m³/d. m² Sand specific gravity = 2.60 Shape factor = 0.85 Stratified bed porosity = 0.45 Water temperature = 19°C Standard Sieve No. 8-12 12-16 16-20 20-30 30-40 40-50 50-70 70-100 Mass percent retained 0.1 0.43 5.70 23.40 45.00 20.20 3.70 0.20
the following data have been obtained in a standard laboratory proctor compaction test : Trial No. moisture content. % 1 9 2 3 4 6 11.9 14.6 15-8 19.0 21.6 weight of container and compacted soil 137.43 38.16 38-67 38-8439-06 38.76 (N) The container is 943 cm³ ih volume and its weight is 201 A-Determine the optimum moisture content and the maximum dry unit weight B-what is the dry uhit weight and water content at 95% standard compaction in the field ?