What is the meaning of the girder of the gantry and the right girder?
(1) Both sides of the crane span should be measured and the measurement method shall comply with the requirements of Appendix 1 of this Code; r n② The maximum crown on the main girder shall be within the range of S / 10 of the main span,
According to the requirements of Appendix 2 of the specification, the method of measuring the gripping on the cantilever end shall be in accordance with the requirements of appendix II of the present specification. F0 = Im 350 r
N ④ When the bridge is assembled in the field, the diagonal should be checked to be relatively poor; r n⑤ The girders should be bent to the outside and should be measured at the web of 100mm from the upper flange.
Double-beam universal gantry cranes and loading and unloading bridges are field-assembled large cranes, so check the crane span