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 |