1. Constant Hlead Test (for coarse grained soil) Test No. 1 2 3 Area of specimen, A (D=7.5 cm) Distance between piezometer, L. (cm) Head loss, h (em) Quantity of flow, Q (cm') Elapsed time, t (sec) Water temperature, °C Coefficient of permeability, k, (cm/sec) 132 32.7 350 125 95 196 270 145 25 25 25

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Permeability Test
1. Constant Head Test (for coarse grained soil)
Test No.
1
2
Area of specimen, A (D=7.5 cm)
Distance between piezometer, L. (cm)
Head loss, h (cm)
Quantity of flow, Q (em')
Elapsed time, t (sec)
Water temperature, °C
Coefficient of permeability, k, (cm/sec)
Coefficient of permeability, ka (cm/sec)
k
132
32.7
350
125
196
145
95
25
270
25
25
Vor coarse sol)APAt
2. Falling Head Test (for fine grained soil)
Test No.
3
Height of specimen, L (cm)
Area of specimen, A (D-10.1 cm)
Area of stand pipe, a (d-0.8 cm)
Elapsed time t,-1, (sec)
Water temperature, °C
Initial head, h,(cm)
Final head, h, (cm)
Coefficient of permeability, k, (cm/sec)
Coefficient of permeability, k (em/sec)
K» H2y = k, * H.
u: can be obtained from the book in Table A-3 Page 148
5
818
835
500
19
19
19
90
98
96
88
96
94.8
k
*for fine soil)
2.303'a"L
Log
Transcribed Image Text:Permeability Test 1. Constant Head Test (for coarse grained soil) Test No. 1 2 Area of specimen, A (D=7.5 cm) Distance between piezometer, L. (cm) Head loss, h (cm) Quantity of flow, Q (em') Elapsed time, t (sec) Water temperature, °C Coefficient of permeability, k, (cm/sec) Coefficient of permeability, ka (cm/sec) k 132 32.7 350 125 196 145 95 25 270 25 25 Vor coarse sol)APAt 2. Falling Head Test (for fine grained soil) Test No. 3 Height of specimen, L (cm) Area of specimen, A (D-10.1 cm) Area of stand pipe, a (d-0.8 cm) Elapsed time t,-1, (sec) Water temperature, °C Initial head, h,(cm) Final head, h, (cm) Coefficient of permeability, k, (cm/sec) Coefficient of permeability, k (em/sec) K» H2y = k, * H. u: can be obtained from the book in Table A-3 Page 148 5 818 835 500 19 19 19 90 98 96 88 96 94.8 k *for fine soil) 2.303'a"L Log
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