To use channel steel as a platform, span 10m, leave above. Who can teach me to do force analysis, about how much channel (preferably 10#), how much weight, stability?. Authoritative reference materials should be provided. Because the platform is high, do not have an accident.
To use 14# I-beam, 10# channel steel certainly not
Long span with I-beam, span of small channel steel can
The I-beam (safety) covered Daixinban or pine board, if it is to pay attention to the quantity of cement pouring cement mortar ratio and steel enough.
