choices: sandy loam, loamy sand, sandy clay loam, silt loam, none of the choices For a rainfall intensity of 4.69 cm/hr, a ponding time of 10 minutes was observedon a soil with 40% effective saturation. The wetting front soil suction head wasmeasured at 16.7 cm. Aðp = 4.85 cmIdentify the type of soil.Use the table below for reference.TABLE 4.3.1Green-Ampt infiltration parameters for various soil classesWetting front Hydrauliesoil suctionheadSoll classPorosityEffectiveporosityconductivityK(cm)(cm/h)0.437(0.374-0.500)0.4370.417(0.354–0.480)0.401Sand4.9511.78(0.97–25.36)6.13(1.35-27.94)11.01Loamy sand2.99(0.363-0.506)0.453(0.329-0.473)0.412(0.283–0.541)0.434Sandy loam1.09(2.67-45.47)8.89(0.351-0.555)0.463(0.375-0.551)0.501(0.420-0.582)0.398Loam0.34(0.334-0.534)0.486(1.33-59.38)16.68Silt loam0.65(0.394-0.578)0.330(2.92-95.39)21.85(4.42–108.0)20.88Sandy clayloam0.15(0.332-0.464)0.464(0.235-0.425)0.309Clay loam0.10(0.279-0.501)0.432(0.418-0.524) (0.347–0.517)0.321(0.370-0.490) (0.207–0.435)0.423(0.425-0.533) (0.334–0.512)0.385(0.409–0.519)0.471(4.79-91.10)27.30Silty clayloamSandy clay0.10(5.67–131.50)23.900.4300.06(4.08-140.2)29.22Silty clay0.4790.05(6.13-139.4)31.63Clay0.4750.03(0.427-0.523) (0.269–0.501)(6.39–156.5)The numbers in parentheses below each parameter are one standard deviation around the parametervalue given. Source: Rawls, Brakensiek, and Miller, 1983.

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For a rainfall intensity of 4.69 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. Aorý = 4.85 cm Identify the type of soil.

For a rainfall intensity of 4.69 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. Aorý = 4.85 cm Identify the type of soil.

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Chapter2: Loads On Structures

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Question

choices: sandy loam, loamy sand, sandy clay loam, silt loam, none of the choices

For a rainfall intensity of 4.69 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. Aðp = 4.85 cm
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 Hydraulie
soil suction
head
Soll class
Porosity
Effective
porosity
conductivity
K
(cm)
(cm/h)
0.437
(0.374-0.500)
0.437
0.417
(0.354–0.480)
0.401
Sand
4.95
11.78
(0.97–25.36)
6.13
(1.35-27.94)
11.01
Loamy sand
2.99
(0.363-0.506)
0.453
(0.329-0.473)
0.412
(0.283–0.541)
0.434
Sandy loam
1.09
(2.67-45.47)
8.89
(0.351-0.555)
0.463
(0.375-0.551)
0.501
(0.420-0.582)
0.398
Loam
0.34
(0.334-0.534)
0.486
(1.33-59.38)
16.68
Silt loam
0.65
(0.394-0.578)
0.330
(2.92-95.39)
21.85
(4.42–108.0)
20.88
Sandy clay
loam
0.15
(0.332-0.464)
0.464
(0.235-0.425)
0.309
Clay loam
0.10
(0.279-0.501)
0.432
(0.418-0.524) (0.347–0.517)
0.321
(0.370-0.490) (0.207–0.435)
0.423
(0.425-0.533) (0.334–0.512)
0.385
(0.409–0.519)
0.471
(4.79-91.10)
27.30
Silty clay
loam
Sandy clay
0.10
(5.67–131.50)
23.90
0.430
0.06
(4.08-140.2)
29.22
Silty clay
0.479
0.05
(6.13-139.4)
31.63
Clay
0.475
0.03
(0.427-0.523) (0.269–0.501)
(6.39–156.5)
The numbers in parentheses below each parameter are one standard deviation around the parameter
value given. Source: Rawls, Brakensiek, and Miller, 1983.

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