Shanghai city for highway investment (group) co., LTD., the first department of the second battalion commander to check YiQiang mentioned: "S7 highway as a committee of Shanghai prefabricated pilot project, not only in the structure of Bridges and roads on the comprehensive application of prestressed assembly technology, at the same time, we have constructed a PC of toll station management USES a room the exploration research, the introduction of Finland Peikko node of new type high strength bolts are assembled, replaced the traditional grouting sleeve and grouting bellows components connection way.
This is the first time the connection technology has been used in prefabricated buildings in China."The successful application of this technology enables the assembly of 500 square meters of management rooms to be completed within 12 days by only 8 operators, greatly increasing the work efficiency and greatly improving the working environment.
