Abstract
This paper presents the tests on a newly developed bolting joint, which is a kind of fastening system using high strength friction type bolts and is able to fasten on one-side of spacing joints . Considering the results of tests and simplicity of fastening procedure, it was concluded that newly fastening system was capable for the application to structural steel work.And this fastening system was used for strengthening of a existing steel arch bridge, it was clarified that this fastening system was good use for the joints on closed sectional members, such as arch and truss chords.
