GB/T 13752-1992 Translated English of Chinese Standard (GBT 13752-1992, GB/T13752-1992, GBT13752-1992): Design rules for tower craneshttps://www.chinesestandard.net, 18. mars 2015 - 156 sider This Standard specifies the basic criteria and calculation methods that the design calculation for tower cranes should follow. All other calculation methods that are proved to be correct and reliable by theory and practice can also be used. |
Innhold
| 4 | |
Structure | 27 |
Mechanism | 54 |
Electric | 79 |
Annex B Supplement Table for the fatigue strength calculation of | 95 |
Annex G Reference Determination of the axial force FN | 108 |
Vanlige uttrykk og setninger
acceleration deceleration according to Table allowable stress Annex E reference axial compression axis bending moment bending structural member brake calculated according Calculated Length Factor calculated wind pressure checked according compressive stress connector crane body cyclic stress determined according diameter electrical continuity electromagnetic clutch Equation equivalent fatigue stress amplitude fillet weld force frictional resistance greater hoisting load hoisting mechanism i-shaped impact factor jacking mechanism load acting load combination load spectral coefficient load status luffing mechanism material mechanism’s normal operating number of stress operating condition power supply preload provisions of GB rail rated hoisting reel resistance torque rigid body dynamics running mechanism safety factor selected according shear stress slenderness ratio slewing bearing slewing speed specified in Article startup static resistance steel stress concentration stress cycles structural members subjected subjected to axial Total number tower crane transmission mechanism Utilization level voltage wheel wind load windward area wire rope yield point