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For a rainfall intensity of 1.94 cm/hr, a ponding time of 10 minutes was observed or a soil with 40% effective saturation. The wetting front soil suction head was measured at 16.7 cm. A0y = 4.85 cm %3D Identify the type of soil. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for various soil classes Wetting front soil suction head Hydraulic conductivity Soll class Porosity Effective porosity K (cm/h) (cm) 0.437 (0.374-0.500) 0.437 4.95 (0.97-25.36) 6.13 (1.35-27.94) 11.01 (2.67-45.47) 8.89 (1.33-59.38) 16.68 (2.92-95.39) 21.85 (4.42-108.0) 20.88 (4.79-91.10) 27.30 (5.67-131.50) 23.90 Sand 0.417 11.78 (0.354-0.480) 0.401 (0.329-0.473) 0.412 (0.283-0.541) 0.434 Loamy sand 2.99 (0.363-0.506) 0.453 (0.351-0.555) 0.463 Sandy loam 1.09 Loam 0.34 (0.375-0.551) 0.501 (0.334-0.534) 0.486 Silt loam 0.65 (0.420-0.582) 0.398 (0.394-0.578) 0.330 Sandy clay loam 0.15 (0.235-0.425) (0.332-0.464) 0.464 Clay loam 0.309 0.10 (0.279-0.501) 0.432 (0.347-0.517) 0.321 (0.409-0.519) 0.471 Silty clay loam 0.10 (0.418-0.524) 0.430 (0.370-0.490) 0.479 Sandy clay 0.06 (0.207-0.435) 0.423 (0.334-0.512) 0.385 (4.08-140.2) 29.22 (6.13-139.4) 31.63 (6.39-156.5) Silty clay 0.05 (0.425-0.533) 0.475 (0.427-0.523) Clay 0.03 (0.269-0.501) The numbers in parentheses below each parameter are one standard deviation around the parameter value given. Source: Rawis, Brakensiek, and Miller, 1983.

For a rainfall intensity of 1.94 cm/hr, a ponding time of 10 minutes was observed or a soil with 40% effective saturation. The wetting front soil suction head was measured at 16.7 cm. A0y = 4.85 cm %3D Identify the type of soil. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for various soil classes Wetting front soil suction head Hydraulic conductivity Soll class Porosity Effective porosity K (cm/h) (cm) 0.437 (0.374-0.500) 0.437 4.95 (0.97-25.36) 6.13 (1.35-27.94) 11.01 (2.67-45.47) 8.89 (1.33-59.38) 16.68 (2.92-95.39) 21.85 (4.42-108.0) 20.88 (4.79-91.10) 27.30 (5.67-131.50) 23.90 Sand 0.417 11.78 (0.354-0.480) 0.401 (0.329-0.473) 0.412 (0.283-0.541) 0.434 Loamy sand 2.99 (0.363-0.506) 0.453 (0.351-0.555) 0.463 Sandy loam 1.09 Loam 0.34 (0.375-0.551) 0.501 (0.334-0.534) 0.486 Silt loam 0.65 (0.420-0.582) 0.398 (0.394-0.578) 0.330 Sandy clay loam 0.15 (0.235-0.425) (0.332-0.464) 0.464 Clay loam 0.309 0.10 (0.279-0.501) 0.432 (0.347-0.517) 0.321 (0.409-0.519) 0.471 Silty clay loam 0.10 (0.418-0.524) 0.430 (0.370-0.490) 0.479 Sandy clay 0.06 (0.207-0.435) 0.423 (0.334-0.512) 0.385 (4.08-140.2) 29.22 (6.13-139.4) 31.63 (6.39-156.5) Silty clay 0.05 (0.425-0.533) 0.475 (0.427-0.523) Clay 0.03 (0.269-0.501) The numbers in parentheses below each parameter are one standard deviation around the parameter value given. Source: Rawis, Brakensiek, and Miller, 1983.

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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For a rainfall intensity of 1.94 cm/hr, a ponding time of 10 minutes was observed on a soil with 40% effective saturation. The wetting front soil suction head was measured at 16.7 cm. Aby = 4.85 ст Identify the type of soil. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for various soil classes Wetting front soil suction head Hydraulle conductivity Sol class Porosity Effective porosity K (cm/h) (em) 0.437 (0.374-0.500) 0.437 (0.363-0.506) 0.453 (0.351-0.555) 0.463 (0.375-0.551) 0.501 (0.420-0.582) 0.398 0.417 (0.354-0.480) 0.401 (0.329-0.473) 0.412 Sand 4.95 11.78 (0.97-25.36) 6.13 (1.35-27.94) 11.01 (2.67-45.47) 8.89 Loamy sand 2.99 Sandy loam 1.09 (0.283-0.541) 0.434 (0.334-0.534) 0,486 (0.394-0.578) 0.330 (0.235-0.425) 0.309 Loam 0.34 (1.33-59.38) 16.68 Silt Joam 0.65 (2.92-95.39) 21.85 Sandy clay loam 0.15 (0.332-0.464) 0.464 (4.42-108.0) 20. 88 (4.79-91. 10) 27.30 Clay loam 0.10 (0.279-0.501) 0.43 (0.347-0.517) 0.321 (0.207-0.435) 0.423 (0.334-0.512) 0.385 (0.269-0.501) (0.409-0.519) 0.471 Silty clay loam 0.10 (0.418-0.524) 0.430 (5.67-131.50) 23.90 Sandy clay 0.06 (0.370-0.490) 0.479 (0.425-0.533) 0.475 (0.427-0.523) (4.08-140.2) 29.22 (6.13-139.4) 31.63 (6,39-156.5) Silty clay 0.05 Clay 0.03 The numbers in parentheses below each paramcter are one standard deviation around the parameter value given. Source: Rawls, Brakensiek, and Miller, 1983. O None of the choices O Sandy clay loam O Sandy loam O Loamy sand O Silt loam
Transcribed Image Text:For a rainfall intensity of 1.94 cm/hr, a ponding time of 10 minutes was observed on a soil with 40% effective saturation. The wetting front soil suction head was measured at 16.7 cm. Aby = 4.85 ст Identify the type of soil. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for various soil classes Wetting front soil suction head Hydraulle conductivity Sol class Porosity Effective porosity K (cm/h) (em) 0.437 (0.374-0.500) 0.437 (0.363-0.506) 0.453 (0.351-0.555) 0.463 (0.375-0.551) 0.501 (0.420-0.582) 0.398 0.417 (0.354-0.480) 0.401 (0.329-0.473) 0.412 Sand 4.95 11.78 (0.97-25.36) 6.13 (1.35-27.94) 11.01 (2.67-45.47) 8.89 Loamy sand 2.99 Sandy loam 1.09 (0.283-0.541) 0.434 (0.334-0.534) 0,486 (0.394-0.578) 0.330 (0.235-0.425) 0.309 Loam 0.34 (1.33-59.38) 16.68 Silt Joam 0.65 (2.92-95.39) 21.85 Sandy clay loam 0.15 (0.332-0.464) 0.464 (4.42-108.0) 20. 88 (4.79-91. 10) 27.30 Clay loam 0.10 (0.279-0.501) 0.43 (0.347-0.517) 0.321 (0.207-0.435) 0.423 (0.334-0.512) 0.385 (0.269-0.501) (0.409-0.519) 0.471 Silty clay loam 0.10 (0.418-0.524) 0.430 (5.67-131.50) 23.90 Sandy clay 0.06 (0.370-0.490) 0.479 (0.425-0.533) 0.475 (0.427-0.523) (4.08-140.2) 29.22 (6.13-139.4) 31.63 (6,39-156.5) Silty clay 0.05 Clay 0.03 The numbers in parentheses below each paramcter are one standard deviation around the parameter value given. Source: Rawls, Brakensiek, and Miller, 1983. O None of the choices O Sandy clay loam O Sandy loam O Loamy sand O Silt loam
Identify the type of soll. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for varlous soil classes హయాv perosity Wetting front soll suction bead Hydraulie conductivity Soll class Porosity (cm) (cm/h) 4.95 (0.97-25.36) 6.13 (1.35-27 94) 11.01 (2.67-45.47) 8.89 1.33-59.38) 16.68 (2.92-95.39) 21.85 (4.42-108.0) 20.88 (१.१9-91.10) 27.30 (5.67-131.50) 11.78 0.437 (0.374-0.500) 0.437 (0.363-0.506) 0.453 (0.351-0.555) 0.463 (0.375-0.551) 0.501 (0.420-0.582) 0.398 (0.332-0.464) 0.464 0.409-0.519) 0.471 0.418-0.524) 0.430 0,417 0.354-0 480) 0.401 0.329-0.473) 0.412 (0.283-0.541) 0,434 (0.334-0.534) 0.486 0.394-0.578) 0,330 (०.235-0.425) 0.309 (0.279-0.501) 0.432 0.347-0.517) 0.321 0.207-0.435) 0.423 0.334-0.512) 0.385 (0.269-0.501) Sand பmy sd 2.99 Sundy loam 1.09 Loam 0.34 Silt loam 0.65 0.15 Sandy clay loam Clay loam 0.10 Silty clay loam Sandy clay 0.10 0.06 (4.08-140.2) 29.22, (6.13-139.4) 31.63 6.39-156.5) Silty clay 0.479 (0.425-0.533) 0.475 0.427-0.523) 0.05 Clay 0.03 The sumbers ia purentheses below each parameter are one standard deviation around dhe paameter value given. Source: Rawls, Brakensiek, and Miller, 1983.
Transcribed Image Text:Identify the type of soll. Use the table below for reference. TABLE 4.3.1 Green-Ampt infiltration parameters for varlous soil classes హయాv perosity Wetting front soll suction bead Hydraulie conductivity Soll class Porosity (cm) (cm/h) 4.95 (0.97-25.36) 6.13 (1.35-27 94) 11.01 (2.67-45.47) 8.89 1.33-59.38) 16.68 (2.92-95.39) 21.85 (4.42-108.0) 20.88 (१.१9-91.10) 27.30 (5.67-131.50) 11.78 0.437 (0.374-0.500) 0.437 (0.363-0.506) 0.453 (0.351-0.555) 0.463 (0.375-0.551) 0.501 (0.420-0.582) 0.398 (0.332-0.464) 0.464 0.409-0.519) 0.471 0.418-0.524) 0.430 0,417 0.354-0 480) 0.401 0.329-0.473) 0.412 (0.283-0.541) 0,434 (0.334-0.534) 0.486 0.394-0.578) 0,330 (०.235-0.425) 0.309 (0.279-0.501) 0.432 0.347-0.517) 0.321 0.207-0.435) 0.423 0.334-0.512) 0.385 (0.269-0.501) Sand பmy sd 2.99 Sundy loam 1.09 Loam 0.34 Silt loam 0.65 0.15 Sandy clay loam Clay loam 0.10 Silty clay loam Sandy clay 0.10 0.06 (4.08-140.2) 29.22, (6.13-139.4) 31.63 6.39-156.5) Silty clay 0.479 (0.425-0.533) 0.475 0.427-0.523) 0.05 Clay 0.03 The sumbers ia purentheses below each parameter are one standard deviation around dhe paameter value given. Source: Rawls, Brakensiek, and Miller, 1983.
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