|
No. |
Concrete silo |
Steel silo |
|
1 |
Long concrete time |
Short concrete time, 1/3 to 1/2 of the former |
|
2 |
Silo body and foundation is heavy |
1/5 to 1/4 of the former’s whole weight |
|
3 |
High foundation cost |
Low foundation cost |
|
4 |
High investment |
Saving 30%-50% of the investment |
|
5 |
Need lots of cement and steel plate |
Saving 2/3 of the cement, need same quantity of steel plate |
|
6 |
Air tightness not very good |
Air tightness is well |
|
7 |
Construction is complex, high requirement |
Construction is professional, normative |
|
8 |
Waterproof is not good |
Waterproof is very well |
|
9 |
Appearance looks not nice |
Beautiful appearance |
|
10 |
Existing dust accident |
No dust accident |
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