In recent years， novel space struct

In recent years， novel space structures with longspans are becoming more prevalent． The integral lifting construction technology as one of the key technologies of building and installing longspan space structures has been widely used， such as the integral lifting of the main truss in Macao Comprehensive Gymnasium［ 1］ ， Shanghai Pudong Boeing Hangar Ｒoof［ 2］ ， and the International Exhibition in Zhuhai Cross Gate［ 3］ ． Integral lifting refers to a process that initially assembles constructional elements onthe ground， and then lifts them integrally to the design-elevation． Compared to the traditional steel structure installation scheme， the integral lifting dispenses with the erection of high and large scaffolding， and aerial work is greatly reduced． Therefore， construction quality and safety are strictly ensured． Meanwhile， integral lifting has many other advantages， such as a short construction period and high work efficiency． However， this method is suitable for the installation projects under a tight schedule， high weight and high installation． More importantly， the lifting of the steel structure is a dynamic process， which involves the displacement of a rigid body， so the risk of the lifting the construction into the air is greater．