Joint connection

Abstract

In a joint connection 20 in which a beam end and a column base of a structure 10 , or a peripheral member rigidly joined thereto, are joined to an other structure 13 capable of receiving a bending moment through supporting means 22 , a deformation due to a very small geometric movement within a resilient range is generated in the supporting means 22 by a reaction force generated at a joint portion with the other structure 13 due to an external force exerted on a beam or a column, thereby being capable of generating a bending moment Mr in a reverse direction to a bending moment Mc generated in the column base or the beam end.

1 . A joint connection in which a beam end and a column base of a structure, or a peripheral member rigidly joined thereto, are joined to another structure capable of receiving a bending moment via supporting means,
 wherein a deformation due to a very small geometric movement within a resilient range is generated in the supporting means by a reaction force generated at a joint portion with the other structure due to an external force exerted on a beam or a column, thereby being capable of generating a bending moment Mr in a reverse direction to a bending moment Mc generated in the column base or the beam end.   
   
   
       2 . The joint connection of the beam end according to  claim 1 ,
 wherein the supporting means is a combination of at least two rods,   each rod having one end joined to the beam end or the peripheral member and the other end joined to a lateral structure; and   the one end and the other end of each of the rods being separated respectively, and an interval between the one end of each of the rods is narrower than an interval between the other end of each of the rods.   
   
   
       3 . The joint connection of the beam end according to  claim 1 ,
 wherein the supporting means is a combination of at least two rods,   each rod having one end coupled by a coupling member, the coupling member being joined to the beam end or the peripheral member, and the other end of each rod is joined to a lateral structure; and   the one end and the other end of each of the rods being separated respectively, and an interval between the one end of each of the rods is narrower than an interval between the other end of each of the rods.   
   
   
       4 . The joint connection of the column base according to  claim 1 ,
 wherein the supporting means is a combination of at least two rods,   each rod having a lower end joined to a lower structure and an upper end joined to the column base or the peripheral member; and   the upper ends and the lower ends of the rods are separated respectively, and an upper end interval is made narrower than a lower end interval.   
   
   
       5 . The joint connection of the column base according to  claim 1 ,
 wherein the supporting means is a combination of at least two rods,   each rod having a lower end joined to a lower structure, an upper end coupled by a coupling member, and the coupling member joined to the column base or the peripheral member; and   the upper ends and the lower ends of the rods being separated respectively, and an upper end interval being made narrower than a lower end interval.   
   
   
       6 . The joint connection of the column base according to  claim 5 ,
 wherein the building structure is placed on a coupling portion of the coupling member and the rods.   
   
   
       7 . The joint connection of the column base according to  claim 5 ,
 wherein one of joint portions of the coupling member and the rods is a rigid joint.   
   
   
       8 . The joint connection of the column base according to  claim 5 ,
 wherein the joint of the column base or the peripheral member and the coupling member is of a tensile joint where introduction tensile force is exerted therebetween.   
   
   
       9 . The joint connection of the column base according to  claim 8 ,
 wherein the tensile joint is provided with a resilient bridging member at the bottom of the coupling member, the resilient bridging member having both ends supported to the coupling member or the rods, the resilient bridging member having an intermediate portion which is separated from the coupling member to be a rational cross section with small deformation, and the intermediate portion of the resilient bridging member and the coupling member is passed through by a bolt which is joined to the column base or the peripheral member.   
   
   
       10 . The joint connection according to  claim 1 ,
 wherein the moments are Mr=Mc.   
   
   
       11 . The joint connection according to  claim 1 ,
 wherein the moments are Mr>Mc.   
   
   
       12 . The joint connection of the column base according to  claim 1 ,
 wherein the lower structure is a foundation.   
   
   
       13 . The joint connection of the column base according to  claim 1 ,
 wherein the lower structure is a lower story building structure.   
   
   
       14 . A building comprising a frame structure which includes a plurality of columns, at least one of the columns being joined to a lower structure by the joint connection of the column base according to  claim 1 . 
   
   
       15 . A building comprising beams, at least one of the beams being joined to a lateral structure by the joint connection of the beam end according to  claim 1 . 
   
   
       16 . A bridge comprising beams, at least one of the beams being joined to a lateral structure by the joint connection of the beam end according to  claim 1 . 
   
   
       17 . The joint connection of the column base according to  claim 6 ,
 wherein one of joint portions of the coupling member and the rods is a rigid joint.   
   
   
       18 . The joint connection of the column base according to  claim 6 ,
 wherein the joint of the column base or the peripheral member and the coupling member is of a tensile joint where introduction tensile force is exerted therebetween.   
   
   
       19 . The joint connection of the column base according to  claim 7 ,
 wherein the joint of the column base or the peripheral member and the coupling member is of a tensile joint where introduction tensile force is exerted therebetween.   
   
   
       20 . The joint connection according to  claim 2 ,
 wherein the moments are Mr=Mc.