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Problem 1: A pipe is laid horizontally and filled with soil, with its open end being saturated. With the given data solve for its infiltration in 36mins if the soil column had been initially placed upright with its upper surface saturated. Area of the pipe's cross section = 212.6cm² Infiltrated by 2126cm? of water after 26mins Hydraulic conductivity is 0.001cm/s (Final answer should be in 4 decimal places.)

Problem 1: A pipe is laid horizontally and filled with soil, with its open end being saturated. With the given data solve for its infiltration in 36mins if the soil column had been initially placed upright with its upper surface saturated. Area of the pipe's cross section = 212.6cm² Infiltrated by 2126cm? of water after 26mins Hydraulic conductivity is 0.001cm/s (Final answer should be in 4 decimal places.)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Styles 3..I . 4 5...I. 6. .. 1.. I . 2 Wetting front soil suction head Hydraulic conductivity Soil class Porosity Effective porosity (cm) (cm/h) Sand 0.437 0.417 4.95 11.78 (0.374-0.500) 0.437 (0.354-0.480) 0.401 (0.97–25.36) 6.13 2.99 Loamy sand (0.363-0.506) 0.453 (0.329-0.473) 0.412 (1.35-27.94) 11.01 1.09 Sandy loam (0.351-0.555) 0.463 (0.375-0.551) (0.283-0.541) 0.434 (2.67-45.47) 8.89 0.34 Loam (0.334-0.534) 0.486 (1.33-59.38) 16.68 Silt loam 0.501 0.65 (0.420-0.582) (0.394-0.578) (2.92-95.39) 21.85 0.15 0.330 (0.235-0.425) 0.309 0.398 Sandy clay loam (4.42-108.0) 20.88 (0.332-0.464) 0.464 (0.409-0.519) 0.471 Clay loam 0.10 (0.279-0.501) 0.432 (4.79-91.10) 27.30 0.10 Silty clay loam (5.67-131.50) (0.418-0.524) 0.430 (0.347-0.517) 0.321 Sandy clay 23.90 0.06 (0.370-0.490) 0.479 (0.207-0.435) 0.423 (4.08-140.2) 29.22 Silty clay 0.05 (0.425-0.533) 0.475 (0.334-0.512) 0.385 (6.13–139.4) 31.63 (6.39-156.5) Clay 0.03 (0.427-0.523) (0.269-0.501)
Transcribed Image Text:Styles 3..I . 4 5...I. 6. .. 1.. I . 2 Wetting front soil suction head Hydraulic conductivity Soil class Porosity Effective porosity (cm) (cm/h) Sand 0.437 0.417 4.95 11.78 (0.374-0.500) 0.437 (0.354-0.480) 0.401 (0.97–25.36) 6.13 2.99 Loamy sand (0.363-0.506) 0.453 (0.329-0.473) 0.412 (1.35-27.94) 11.01 1.09 Sandy loam (0.351-0.555) 0.463 (0.375-0.551) (0.283-0.541) 0.434 (2.67-45.47) 8.89 0.34 Loam (0.334-0.534) 0.486 (1.33-59.38) 16.68 Silt loam 0.501 0.65 (0.420-0.582) (0.394-0.578) (2.92-95.39) 21.85 0.15 0.330 (0.235-0.425) 0.309 0.398 Sandy clay loam (4.42-108.0) 20.88 (0.332-0.464) 0.464 (0.409-0.519) 0.471 Clay loam 0.10 (0.279-0.501) 0.432 (4.79-91.10) 27.30 0.10 Silty clay loam (5.67-131.50) (0.418-0.524) 0.430 (0.347-0.517) 0.321 Sandy clay 23.90 0.06 (0.370-0.490) 0.479 (0.207-0.435) 0.423 (4.08-140.2) 29.22 Silty clay 0.05 (0.425-0.533) 0.475 (0.334-0.512) 0.385 (6.13–139.4) 31.63 (6.39-156.5) Clay 0.03 (0.427-0.523) (0.269-0.501)
Paragraph Problem 1: A pipe is laid horizontally and filled with soil, with its open end being saturated. With the given data, solve for its infiltration in 36mins if the soil column had been initially placed upright with its upper surface saturated. Area of the pipe's cross section = 212.6cm2 Infiltrated by 2126cm? of water after 26mins Hydraulic conductivity is 0.001cm/s (Final answer should be in 4 decimal places.) Problem 2: With the given data, solve for the infiltration rate and cumulative infiltration after 360mins on a sandy clay soil. Assume water is ponded to a small but negligible depth on the surface. Moisture Content of the soil = 34.5% Residual Moisture Content of the soil = 26% (Final answers should be in 4 decimal places.) The table will be provided in page 2 Problem 3: Using the data from Problem 2. What is its ponding time if: a) Intensity of rainfall is 0.000126cm/s. b) Intensity of rainfall is 5.8344cm/d. (Final answers should be in 4 decimal places.) Problem 4: Assuming ponding of water is small but negligible depth on the surface. Solve for the infiltration rate and cumulative infiltration after 210mins of infiltration on a silty clay loam soil with initial effective saturation of 47%. (Final answers should be in 4 decimal places.) Problem 5: Solve the ponding time of Problem 4 if a) Intensity of rainfall is 0.000000021km/s. b) Intensity of rainfall is 0.21dm/h. (Final answers should be in 4 decimal places.)
Transcribed Image Text:Paragraph Problem 1: A pipe is laid horizontally and filled with soil, with its open end being saturated. With the given data, solve for its infiltration in 36mins if the soil column had been initially placed upright with its upper surface saturated. Area of the pipe's cross section = 212.6cm2 Infiltrated by 2126cm? of water after 26mins Hydraulic conductivity is 0.001cm/s (Final answer should be in 4 decimal places.) Problem 2: With the given data, solve for the infiltration rate and cumulative infiltration after 360mins on a sandy clay soil. Assume water is ponded to a small but negligible depth on the surface. Moisture Content of the soil = 34.5% Residual Moisture Content of the soil = 26% (Final answers should be in 4 decimal places.) The table will be provided in page 2 Problem 3: Using the data from Problem 2. What is its ponding time if: a) Intensity of rainfall is 0.000126cm/s. b) Intensity of rainfall is 5.8344cm/d. (Final answers should be in 4 decimal places.) Problem 4: Assuming ponding of water is small but negligible depth on the surface. Solve for the infiltration rate and cumulative infiltration after 210mins of infiltration on a silty clay loam soil with initial effective saturation of 47%. (Final answers should be in 4 decimal places.) Problem 5: Solve the ponding time of Problem 4 if a) Intensity of rainfall is 0.000000021km/s. b) Intensity of rainfall is 0.21dm/h. (Final answers should be in 4 decimal places.)
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