Advanced Steel Construction

Vol. 8, No. 1, pp. 54-70 (2012)


STUDY ON DYNAMIC DAMAGE CAUSES OF SINGLE LAYERLATTICED SHELLS BASED ON REFINED MEMBER CALCULATION MODEL

 

Yang Ding 1, Lin Qi 2,* and Zhongxian Li 3

1 Professor, Department of Civil Engineering, Tianjin University, Tianjin, China

2 Ph. d candidate, Department of Civil Engineering, Tianjin University, Tianjin, China

3 Professor, Department of Civil Engineering, Tianjin University, Tianjin, China

*(Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)

Received: 25 December 2010; Revised: 7 April 2011; Accepted: 12 April 2011

 

DOI:10.18057/IJASC.2012.8.1.4

 

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ABSTRACT

A new type of continuous cable joint is presented in this paper for the suspen-dome with stacked arch. For this new cable joint, there are two state: locked state and unlocked state. In the locked state, the hoop cable cannot slide around cable joint. In the unlocked state, the hoop cable can slide around cable joint. In order to analyze the stability of suspen-dome with stacked arches structures under condition that the continuous cable joint is unlocked state, A three-node sliding cable element was used and its tangent stiffness matrix was determined based on the principal of virtual work and uniform strain assumption. The element was then implemented in commercial finite element software ABAQUS as a user defined element and applied in the stability analysis of a suspen-dome with stacked arches structure. Both symmetric and asymmetric load were considered for the suspen-dome with stacked arches structure to investigate the influence of cable joint state on its stability behavior. It was concluded that the stability behavior when the continuous cable joint is locked is better than that of when the continuous cable joint is unlocked.

 

KEYWORDS

Suspen-dome with stacked arch structures, Continuous cable joint, Sliding cable element, Stability


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