A new steel pipe sheet pile composite foundation
method called “Hyper-Well SP” was developed for
application to a large-scale bridge. The structural characteristics
and workability of the new method were verified in various experiments, and a design method was
established. “Hyper-Well SP,” which features high rigidity,
was applied for the first time in the foundation of the
Tokushima-Higashi-Kanjo-Ohashi, and construction of
one section has already been completed. Workability
equal to that of conventional sheet pipe sheet piles was
confirmed in the construction of this actual foundation.
Based on the results of the above-mentioned study, JFE
Steel received certification for examination of construction
technology from Public Works Research Center in
Aug. 2004 as a new foundation method for large bridges,
completing the development of this technology. |