Inter-element joint structure

Abstract

An inter-element joint structure including: a first member provided with a hole or a trench; a second member provided with a through-hole; a bushing member fitted to the through-hole formed in the second member and fixed to the second member while the bushing member comes into contact with a surface of the first member; a fastening member including a bolt provided with a shank penetrating at least the bushing member and the hole or the trench of the first member to fasten the bushing member and the first member; and a washer that is interposed between a head of the bolt and the bushing member and has a diameter larger than that of the bushing member. The bushing member has a thickness larger than that of the second member, and the through-hole of the second member has a circumferential edge loosely fitted between the washer and the first member.

1 . An inter-element joint structure comprising:
 a first member provided with a hole or a trench;   a second member provided with a through-hole;   a bushing member fitted to the through-hole formed in the second member and fixed to the second member while the bushing member comes into contact with a surface of the first member;   a fastening member including a bolt provided with a shank penetrating at least the bushing member and the hole or the trench of the first member to fasten the bushing member and the first member; and   a washer that is interposed between a head of the bolt and the bushing member and has a diameter larger than that of the bushing member,   wherein the bushing member has a thickness larger than that of the second member, and   the through-hole of the second member has a circumferential edge loosely fitted between the washer and the first member.   
     
     
         2 . The inter-element joint structure according to  claim 1 , wherein the hole or the trench formed in the first member extends horizontally by a predetermined length. 
     
     
         3 . An inter-element joint structure comprising:
 a first member provided with a hole;   a second member provided with a through-hole and fixed to a constructional structure in advance of the first member;   a bushing member that is fitted to the through-hole formed in the second member and comes into contact with a surface of the first member; and   a fastening member including a bolt provided with a shank penetrating at least the bushing member and the hole of the first member to fasten the bushing member and the first member,   wherein a relationship “t>α” is satisfied, where “α” denotes a gap between the first and second members, and “t” denotes a thickness of the bushing member.   
     
     
         4 . The inter-element joint structure according to  claim 3 , wherein the first member is interposed between a pair of the second members, and
 relationships “α1<t1” and “α2<t2” are satisfied, where “α1” denotes a gap between the first member and one of the second members, “α2” denotes a gap between the first member and the other second member, “t1” denotes a thickness of the bushing member fitted to the through-hole formed in the one second member, and “t2” denotes a thickness of the bushing member fitted to the through-hole formed in the other second member.   
     
     
         5 . The inter-element joint structure according to  claim 4 , wherein the bushing member fitted to any one of the through-holes of the pair of second members is provided with a female thread that can be screwed to the bolt. 
     
     
         6 . An inter-element joint structure comprising:
 a first member provided with a first through-hole;   a second member provided with a second through-hole and fixed to a constructional structure in advance of the first member;   a first bushing member fitted to the first through-hole formed in the first member;   a second bushing member that is fitted to the second through-hole of the second member and comes into contact with a surface of the first bushing member; and   a fastening member including a bolt provided with a shank penetrating at least each hole of the first and second bushing members to fasten the first and second bushing members.   
     
     
         7 . An inter-element joint structure comprising:
 a first member provided with a hole;   a second member provided with a through-hole and fixed to a constructional structure in advance of the first member;   a bushing member that has a diameter smaller than that of the through-hole formed in the second member, is fitted to the through-hole of the second member, and comes into contact with a surface of the first member; and   a fastening member including a bolt provided with a shank penetrating at least the bushing member and a hole of the first member to fasten the bushing member and the first member,   wherein a circumferential edge of the bushing member expands outward by the fastening force of the fastening member so as to approach or come into contact with an inner circumferential surface of the through-hole.   
     
     
         8 . An inter-element joint structure comprising:
 a second member provided with a through-hole;   a first member provided with a hole and fixed to a constructional structure in advance of the second member;   a bushing member that has a diameter smaller than that of the through-hole formed in the second member, is fitted to the through-hole, and comes into contact with a surface of the first member; and   a fastening member including a bolt provided with a shank penetrating at least the bushing member and a hole of the first member to fasten the bushing member and the first member,   wherein a circumferential edge of the bushing member expands outward by the fastening force of the fastening member so as to approach or come into contact with an inner circumferential surface of the through-hole.   
     
     
         9 . The inter-element joint structure according to  claim 7 , wherein the bushing member comprises:
 a first layer coming into contact with a surface of the first member, and   a second layer interposed between the first layer and the fastening member, formed of a material having ductility higher than that of the first layer, and provided with a circumferential edge expanded outward by virtue of a fastening force of the fastening member.   
     
     
         10 . The inter-element joint structure according to  claim 7 , wherein the hole of the first member has a diameter larger than that of the hole of the bushing member, and the bushing member protrudes to the inside of the hole of the first member by the fastening force of the fastening member. 
     
     
         11 . The inter-element joint structure according to  claim 7 , wherein the bushing member is sloped such that a thickness of the bushing member increases from a hole where the shank of the bolt penetrates to the circumferential edge, or the thickness of the bushing member increases from the circumferential edge to the hole where the shank of the bolt penetrates. 
     
     
         12 . The inter-element joint structure according to  claim 8 , wherein the bushing member comprises:
 a first layer coming into contact with a surface of the first member, and   a second layer interposed between the first layer and the fastening member, formed of a material having ductility higher than that of the first layer, and provided with a circumferential edge expanded outward by virtue of a fastening force of the fastening member.   
     
     
         13 . The inter-element joint structure according to  claim 8 , wherein the hole of the first member has a diameter larger than that of the hole of the bushing member, and the bushing member protrudes to the inside of the hole of the first member by the fastening force of the fastening member. 
     
     
         14 . The inter-element joint structure according to  claim 9 , wherein the hole of the first member has a diameter larger than that of the hole of the bushing member, and the bushing member protrudes to the inside of the hole of the first member by the fastening force of the fastening member. 
     
     
         15 . The inter-element joint structure according to  claim 12 , wherein the hole of the first member has a diameter larger than that of the hole of the bushing member, and the bushing member protrudes to the inside of the hole of the first member by the fastening force of the fastening member. 
     
     
         16 . The inter-element joint structure according to  claim 8 , wherein the bushing member is sloped such that a thickness of the bushing member increases from a hole where the shank of the bolt penetrates to the circumferential edge, or the thickness of the bushing member increases from the circumferential edge to the hole where the shank of the bolt penetrates. 
     
     
         17 . The inter-element joint structure according to  claim 12 , wherein the bushing member is sloped such that a thickness of the bushing member increases from a hole where the shank of the bolt penetrates to the circumferential edge, or the thickness of the bushing member increases from the circumferential edge to the hole where the shank of the bolt penetrates.