ISO 8686-2:2018
Cranes — Design principles for loads and load combinations — Part 2: Mobile cranes
This document applies the principles set forth in ISO 8686‑1 to mobile cranes, as defined in ISO 4306‑2, and presents loads and load combinations appropriate for use in proof-of-competence calculations for the steel structures of mobile cranes.
This document is applicable to mobile cranes used for normal and duty cycle service.
NOTE Means for proof-of-competence testing will be addressed in another document.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Choice of loads and load combinations
4.1 Basic considerations
4.2 Simultaneous accelerations
4.3 Side loading
4.4 Erection and dismantling
4.5 Automatically initiated actions
5 Loads from acceleration of crane drives
5.1 General
5.2 Slewing effects
5.3 Hoisting effects
5.4 Driving effects
5.4.1 Driving acceleration
5.4.2 Driving on uneven surface
5.5 Luffing and telescoping effects
5.6 Application of loads caused by acceleration
6 Proof-of-competence calculations for load-supporting structures
6.1 General
6.2 Allowable stress method
6.3 Limit state method
7 Side-load deflection of latticed booms
Annex A (informative) Simultaneous accelerations
Annex B (informative) Application of load combinations given in Table 1
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Choice of loads and load combinations
4.1 Basic considerations
4.2 Simultaneous accelerations
4.3 Side loading
4.4 Erection and dismantling
4.5 Automatically initiated actions
5 Loads from acceleration of crane drives
5.1 General
5.2 Slewing effects
5.3 Hoisting effects
5.4 Driving effects
5.4.1 Driving acceleration
5.4.2 Driving on uneven surface
5.5 Luffing and telescoping effects
5.6 Application of loads caused by acceleration
6 Proof-of-competence calculations for load-supporting structures
6.1 General
6.2 Allowable stress method
6.3 Limit state method
7 Side-load deflection of latticed booms
Annex A (informative) Simultaneous accelerations
Annex B (informative) Application of load combinations given in Table 1