Primary compression/tension structural members in lattice boom crane systems that form the main load-bearing framework.
Chord members are the principal longitudinal structural elements in lattice boom crane configurations, designed to withstand axial compressive and tensile forces during lifting operations. These members form the outer framework of the boom structure, connected by diagonal and vertical lacing members to create a rigid truss system capable of handling significant bending moments and dynamic loads while maintaining optimal strength-to-weight ratio.
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Chord members serve as the main longitudinal structural elements that carry axial compressive and tensile loads, forming the primary framework that determines the boom's load capacity and stability.
Chord members are typically connected using bolted flange joints or pinned connections at panel points, with diagonal and vertical lacing members providing lateral stability and load distribution between chords.
High-strength low-alloy steel (HSLA) grades such as ASTM A572 or equivalent are standard, offering optimal strength-to-weight ratios with corrosion protection through galvanizing or specialized coatings.
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