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STAAD Commands and Input Instructions
Section 5
5-116
5.23.2 Member Cable Specification
Purpose
This command may be used to model a specified set of members as
CABLE members.
Description for use in all analyses except Non Linear
Cable Analysis:
The CABLE members, in addition to elastic axial deformation, are
also capable of accommodating the stiffness effect of initial
tension and tension due to static loads. Theoretical discussions of
CABLE members are presented in Section 1.11 of this manual.
General format:
MEMBER CABLE
See Sections
1.9, 1.11.
member-list
TENSION f
1
where f
1
= Initial Tension in cable member
(in current units)
Example
MEMB CABLE
20 TO 25 TENSION 15.5
Notes
The TENSION specified in the CABLE member is applied on the
structure as an external load as well as is used to modify the
stiffness of the member. See Section 1.11 for details. If
TENSION or the value is omitted a minimum tension will be used.