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    مقارنات أنابيب الصرف الصحي
 

Description

Percent

Corrugated HDPE Pipes

PVC Spiral Wound Pipes

Reinforced Concrete Pipes

GRP Polyster Pipes

Asbestos Cement Pipes

Ductile Iron Pipes

Steel Pipes

Material cost 25% 20 16 12 18 14 25 22
Installation cost 45% 25 32 45 38 40 35 35
Maintenance cost 17% 6 8 17 12 15 10 10
Trasportation 10% 8 8 10 8 10 10 10
Site waste 3% 1 2 3 3 3 1 1
Total Cost 100% 60 66 87 79 82 81 78
Service Life   50 25 15 25 15 25 20
Annual cost   1.2 1.32 1.74 1.58 1.64 1.62 1.56
 
 
Description

Corrugated HDPE Pipes

PVC Spiral Wound Pipes

Reinforced Concrete Pipes

GRP Polyster Pipes

Asbestos Cement Pipes

Ductile Iron Pipes

Steel Pipes
Chemical resistance Excellent Average poor Average poor poor poor
Tightness/joint quality Excellent Average poor Average poor Average Average
Soil movement strength Excellent poor poor poor poor poor poor
Service maintenance Too Low low high Average high Average Average
Service life Excellent Average loe Average low Average Average
Abrasion Excellent Average poor poor poor good good
Installation Fast fast slow slow slow Average slow
Site Waste low Average high Average high Average Average
Smoothness Excellent Excellent poor Average Average Average Average
Impact Strength Excellent poor poor poor poor poor poor
Flexibility Excellent poor poor poor poor poor poor
Tensile strength Average good poor poor poor Excellent Excellent
 
 
 

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