PVC Compound Flexible Earthwork Permeable Hose
The steel wire of soft permeable hose is covered with PVC layer. It has high permeability and large displacement, which replaces the traditional PVC perforated pipe. It is easy to use, high efficiency and so on.
Application:
Airport, railway, highway, playground, park green drainage;
Mine tail dam, thermal power plant ash dam, landfill drainage system; tunnel, retaining wall, roadbed, pavement drainage;
Drainage in low-lying wetlands, roof garden irrigation, etc.
Hose Structure Sketch
Acid and Alkali Resistance Test
The soft water pipe is made of polyester yam and steel wire covered with PVC. It has strong acid and alkali resistance against organic or inorganic chemical component in water and soil. The test results are as follows: (in conditions of room temperature for 72 hours)
|
10% HCI solution |
No abnormal appearance |
|
10% NaOH solution |
No abnormal appearance |
Functional Test
|
Item |
Unit |
Size |
Standard |
||||||
|
Inner Dia. |
mm |
φ30 |
φ50 |
φ80 |
φ100 |
φ150 |
φ200 |
φ300 |
|
|
Mass Per Unit |
g/m2 |
408 |
410 |
420 |
416 |
425 |
420 |
430 |
GB/T 13762-92 |
|
Thickness |
mm |
1.1 |
1.1 |
1.1 |
1.1 |
1.8 |
0.014 |
1.8 |
GB/T 13762-92 |
|
Roughness Coefficient |
% |
0.014 |
0.014 |
0.014 |
0.014 |
0.014 |
1.24 |
0.014 |
Manning Formula |
|
Longitudinal Tensile Strength |
KN/5cm |
1.25 |
1.2 |
1.21 |
1.24 |
1.23 |
22.9 |
1.28 |
GB/T3923.1-97 |
|
Longitudinal Elongation |
% |
22.6 |
21.5 |
23 |
22.7 |
22.5 |
20.3 |
23.1 |
GB/T3923.1-97 |
|
Transverse Tensile Strength |
KN/5cm |
3.2 |
3.1 |
3.2 |
3.0 |
2.9 |
3.1 |
3.1 |
GB/T3923.1-97 |
|
Transverse Elongation |
% |
20.1 |
20.4 |
20.2 |
20.4 |
19.9 |
19.9 |
20.4 |
GB/T3923.1-97 |
|
CBR Bursting Strength |
KN |
5.7 |
5.7 |
5.6 |
5.8 |
6.4 |
6.3 |
6.5 |
GB/T14800-93 |
|
Discharge Capacity |
cm3/s |
15.1 |
44.9 |
170.9 |
313.3 |
930 |
1993 |
5020 |
J=1/250 |
|
cm3/s |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
1.8×10-1-3.2×10-1 |
GB/T15789-95 |
|
|
Aperture Dia. |
mm |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
0.1-0.2 |
GB/T14799-93 |
Construction Guidelines
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