Application of the Mechanical Anchorage Method to Structural Frames
By K. Kotera, S. Noda, A. Yamazaki and K. Hashimoto
Concrete Journal, Vol.47, No.6, Jun. 2009
- Synopsis
- The Mechanical Anchorage Method is a technique to mechanically anchor deformed bars or screw reinforcing bars to concrete in the following two methods; 1. Connect screw reinforcing bars by using "Tough Neji Nut", an anchor steel ware with internal tread attached on the bar end. 2. Connect a deformed bar and an anchor plate using frictional connection. Compared with the conventional technique, this method contributes to the labor-saving in grout filling work, the reduction of industrial waste, and the major reduction of the slip amplitude at the mating portion. In addition, this method enables higher accuracy of bar arrangement while aiming at improving the design strength of RC/SRC construction. Taking longitudinal reinforcing bar end and transverse reinforcing bar (shear reinforcing bar) end as representative application sites, this method makes it possible to apply to the wider range of civil engineering and construction structures.
- Keywords:
- mechanical anchorage method, anchor steel ware with internal tread, performance of anchor, shear reinforcement, longitudinal reinforcing bar, transverse reinforcing bar, application part
