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Сравнение таблицы технической экономики муниципальных труб
Items |
GRP |
SP |
DIP |
RCP |
HDPE |
|
technical |
Material |
Composite material |
Metallic material |
Metallic material |
Inorganic nonmetallic material |
Polymer material |
Type |
Flexible |
Flexible |
Flexible/rigid |
Rigid |
Flexible |
|
Application area |
water supply drainage |
water supply |
water supply drainage |
water supply drainage |
drainage |
|
Way of construction Work |
Excavation |
Excavation |
Excavation |
Excavation |
Excavation |
|
Connection mode |
Flexible sleeve |
Rigid welding |
Flexible socket |
Flexible socket |
Rigid hot melt |
|
Section length
|
≤18 |
6 |
6/8.15 |
2 |
≤12 |
|
Weight |
5points |
4 points |
3 points |
1point |
5 points |
|
Hydraulic property |
5 points |
4 points |
4 points |
3 points |
5 points |
|
Corrosion resistance |
5 points |
1point |
3 points |
2 points |
5 points |
|
Joint safety |
3 points |
4 points |
3 points |
2 points |
1point |
|
Resistance to internal pressure |
4 points |
5 points |
5 points |
2 points |
1point |
|
Resistance to external pressure |
3 points |
3 points |
4 points |
5 points |
2 points |
|
Impact resistance |
2 points |
4 points |
4 points |
5 points |
1point |
|
Construction speed |
5 points |
1point |
4 points |
2 points |
2 points |
|
Foundation bearing requirements |
3 points |
4 points |
3 points |
1point |
3 points |
|
Backfill requirement |
2 points |
3 points |
4 points |
5 points |
2 points |
|
Working life |
4 points |
3 points |
3 points |
3 points |
3 points |
|
Quality stability |
3 points |
4 points |
4 points |
2 points |
2 points |
|
Applicability of pipe fittings |
4 points |
4 points |
3 points |
1point |
3 points |
|
Working condition applicability |
3 points |
4 points |
5 points |
2 points |
2 points |
|
Comprehensive technical performance |
3.6 points |
3.4 points |
3.7 points |
2.6 points |
2.6 points |
|
Economical |
Pipe cost |
3 points |
3 points |
1point |
5 points |
5 points |
Construction cost |
3 points |
2 points |
3 points |
1point |
2 points |
|
Maintenance cost |
3 points |
3 points |
3 points |
3 points |
2 points |
|
Comprehensive economic performance |
3 points |
2.7 points |
2.3 points |
3 points |
3 points |
|
Typical shortcomings |
Poor impact resistance, high backfill requirements |
Easy to corrode and slow to install |
The lining is easy to crack, easy to corrode and the cost of pipe is high |
resistance to internal pressure is poor, construction cost is high |
Resistance to internal pressure and impact resistance are poor and joint is high-risk. |
|
Note |
1. Each item adopts 5 points system. When performance is excellent, then its score is high. |
Описание :
1 T Список его таблиц 5 Типичные трубы в водоснабжении FRP Top Tipe и Drain Lifefine Engineering, каждый из которых имеет свои конкретные сценарии и преимущества и недостатки;
2 C , опускаемый с другими трубами, трубкой GRP и Dip Frief FRP FREP, обладают хорошими комплексными техническими характеристиками, в инженерии водоснабжения, Dip Pipe лучше, чем труба GRP. Труба GRP является верхней провальной трубой в канализационной инженерии;
3 Комплексные экономические показатели трубы GRP лучше, чем у Dip Tipe.
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