In combination with the installation process of a large-span industrial factory building, this article introduces the integral sliding technique of the large-span steel roof s falsework and the related measures; the technique proves to be cost-effective for the installation of large-span roof.

In this article, authors introduce installation of the bottom pulling cable of one piece of string truss, and state a construction technique of single tension method in tension bed.

Analysis and design of flexible bracket based on production center shipbuilding method;