appendix a: experimental results... 97 appendix a: experimental results pressure heads within tubes...
TRANSCRIPT
97
Appendix A: Experimental results
Pressure Heads Within Tubes as Headwater Elevation Increased During Trials
Trial 1 Trial 2
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
Headwater Elevation
(inch)
Pressure Head
Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
0 15.75 15.75 6.5 0 17 17 6.5 5 14.75 14 5.5 7.5 15.75 14 6
10 14.25 11 5 15 17.5 12 5.5 15 (2nd) 16 9.5 5
Trial 3 Trial 4
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head
Tube #3 (inch)
0 18 18 6.5 0 17.5 17.5 8 10 19 16.5 5.25 12.5 17.5 12 6
Trial 5 Trial 6
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head
Tube #3 (inch)
0 17.5 17.5 8 0 17.5 17.5 6.5 12.5 19.75 12.5 5.5
Trial 9 Trial 10
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head
Tube #3 (inch)
0 18.5 18.5 6.5 0 19 19 8 12.5 19 12 4.5 12.5 20.5 13 5.5 17 20.5 11 4.5
Trial 11 Trial 12
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head
Tube #3 (inch)
0 19 19 8 0 17.5 17 6.5 12.5 20.5 13 7 12.5 18.5 10.75 6 16 22.5 11.5 6.5 15 22.25 9.5 5.5
98
Trial 13 Headwater Elevation
(inch)
Pressure Head Tube #1 (inch)
Pressure Head Tube #2 (inch)
Pressure Head Tube #3 (inch)
0 19 19.5 8.25 12.5 20 13.5 5.5 15 21 12.25 5
Pressure Heads Within Tubes as Strapping System Is Attached
Pressure Heads (inch)*
Tube # After Filling
Tube #1 and Tube #2
After Strapping Tube #1 and
Tube #2
After Filling Tube #3
After Strapping Tube #3
1 6.5 6.75 18.5 19 2 6.5 6.5 19.5 19.25 3 NA NA 6.5 8
*Measurements taken during setup of Trial 10
Pressure Heads (inch)**
Tube # After Filling
Tube #1 and Tube #2
After Strapping Tube #1 and
Tube #2
After Filling Tube #3
After Strapping Tube #3
1 6.25 6.5 18.5 19 2 7 7 19.5 19.5 3 NA NA 6.75 8.25
**Measurements taken during setup of Trial 13
99
Trial 1Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
120.0 140.0 160.0 180.0 200.0 220.0 240.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head5" - Head10" - HeadGeonet
Trial 1Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
120.0 140.0 160.0 180.0 200.0 220.0 240.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head5" - Head10" - HeadGeonet
100
Trial 1Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
120.0 140.0 160.0 180.0 200.0 220.0 240.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head5" - Head10" - HeadGeonet
Trial 1Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
5"
10"
Geonet
101
Trial 1Standpipe Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
5"
10"
Geonet
Trial 2Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head7.5" - Head15" - HeadGeonet
102
Trial 2Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head7.5" - Head15" - HeadGeonet
Trial 2Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head7.5" - Head15" - HeadGeonet
103
Trial 2Standpipe Heights - East
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
7.5"
15"
Geonet
Trial 2Standpipes Heights - West
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
7.5"
15"
Geonet
104
Trial 3Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head10" - HeadGeonet
Trial 3Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head10" - HeadGeonet
105
Trial 3Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head10" - HeadGeonet
Trial 3Standpipe Heights - East
0.0
5.0
10.0
15.0
20.0
25.0
30.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
10"
Geonet
106
Trial 3Standpipes Heights - West
0.0
5.0
10.0
15.0
20.0
25.0
30.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
10"
Geonet
Trial 4Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
107
Trial 4Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 4Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
108
Trial 4Standpipe Heights - East
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
Trial 4Standpipes Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
109
Trial 6Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 6Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105 125 145 165 185 205 225 245
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
110
Trial 6Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
105.0 125.0 145.0 165.0 185.0 205.0 225.0 245.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 6Standpipe Heights - East
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
111
Trial 6Standpipes Heights - West
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
Trial 9Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head12.5" - Head17" - HeadGeonet
112
Trial 9Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135 155 175 195 215 235 255 275
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 9Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
113
Trial 9Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
17"
Geonet
Trial 9Standpipes Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
17"
Geonet
114
Trial 10Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 10Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135 155 175 195 215 235 255 275
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
115
Trial 10Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head12.5" - HeadGeonet
Trial 10 Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
116
Trial 10Standpipes Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
Geonet
Trial 11Series 1 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0" - Head12.5" - HeadGeonet
117
Trial 11Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135 155 175 195 215 235 255 275
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - Head16" - HeadGeonet
Trial 11Series 3 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135.0 155.0 175.0 195.0 215.0 235.0 255.0 275.0
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - HeadGeonet
118
Trial 11Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
16"
Geonet
Trial 11Standpipes Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
16"
Geonet
119
Trial 12Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135 155 175 195 215 235 255 275
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - Head15" - HeadGeonet
Trial 12Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
15"
Geonet
120
Trial 12Standpipe Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
15"
Geonet
Trial 13Series 2 Tube Cross-Section
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
135 155 175 195 215 235 255 275
Reference Line - X (cm)
Heig
ht -
Y (c
m)
0" - Head12.5" - Head15" - HeadGeonet
121
Trial 13Standpipe Heights - East
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
15"
Geonet
Trial 13Standpipe Heights - West
-5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0
Reference Line - X (cm)
Hei
ght -
Y (c
m)
0"
12.5"
15"
Geonet
122
Shear Stress vs. Normal Stress for Reinforced PVC against Reinforced PVC
0
1
2
3
4
5
6
7
8
0 1 2 3 4 5 6 7 8
Normal Stress (psi)
Shea
r Str
ess
(psi
)
59.0 lb 50.1 lb41.3 lb32.5 lb23.6 lb17.1 lb43.5 lb34.7 lb9.6 lb
δpeak = 54°
δresidual = 14°
123
Shear Stress vs. Horizontal Diplacement for Reinforced PVC against Reinforced PVC
0
1
2
3
4
5
6
7
8
9
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
Horizontal Dispacement (inch)
Shea
r Str
ess
(psi
)
59.0 lb 50.1 lb41.3 lb32.5 lb23.6 lb17.1 lb43.5 lb34.7 lb9.6 lb
Peak Secant Friction Coefficient vs. Normal Stress for Reinforced PVC against Reinforced PVC
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Normal Stress (psi)
Peak
Sec
ant F
rictio
n C
oeffi
cien
t