CN105604185B - A kind of earthquake-resistant structure support connection structure and attaching method thereof - Google Patents

A kind of earthquake-resistant structure support connection structure and attaching method thereof Download PDF

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Publication number
CN105604185B
CN105604185B CN201610041229.9A CN201610041229A CN105604185B CN 105604185 B CN105604185 B CN 105604185B CN 201610041229 A CN201610041229 A CN 201610041229A CN 105604185 B CN105604185 B CN 105604185B
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CN
China
Prior art keywords
steel pipe
hole
access division
longitudinal steel
damping spring
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CN201610041229.9A
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Chinese (zh)
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CN105604185A (en
Inventor
倪黄女
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Qiao Building Materials (Shanghai) Co., Ltd.
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倪黄女
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Priority to CN201610041229.9A priority Critical patent/CN105604185B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2418Details of bolting

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a kind of earthquake-resistant structure support connection structure,Including longitudinal steel pipe made of square steel and horizontal steel pipe,Fixes sleeve is provided with described longitudinal steel pipe,Pivot flange is provided with described fixes sleeve upper end outer wall,Step trough is provided with described fixes sleeve upper end inwall,Access Division is respectively arranged with the end upper and lower ends face of described horizontal steel pipe,Described Access Division is mutually perpendicular to described horizontal steel pipe,It can be embedded in positioned at the described Access Division of bottom in described step trough,Through hole is provided with the horizontal steel pipe,The axis of described through hole and the line of the Access Division described in 2 are parallel to each other,Fixing hole is provided with described pivot flange,Moving sleeve is set with described longitudinal steel pipe,The present invention can make longitudinal steel pipe and horizontal steel pipe form stable attachment structure,So that longitudinal steel pipe and horizontal steel pipe can not relatively move with vertical direction in the horizontal direction,Stability Analysis of Structures,Connection is reliable.

Description

A kind of earthquake-resistant structure support connection structure and attaching method thereof
Technical field
The present invention relates to a kind of earthquake-resistant structure support connection structure and attaching method thereof.
Background technology
Existing building support generally use welding manner realizes connection so that tubing can not be reused, and dismount Inconvenience, disassembly process are lost time very much, due to using being rigidly connected, when by applied external force, easily cracking The defects of, cause Joint failure.
The content of the invention
It is an object of the invention to provide a kind of earthquake-resistant structure support connection structure and attaching method thereof, can improve existing skill The problem of art is present, longitudinal steel pipe and horizontal steel pipe is set to form stable attachment structure so that longitudinal steel pipe and horizontal steel pipe exist Horizontal direction and vertical direction can not relatively move, Stability Analysis of Structures, and connection is reliable.
The present invention is achieved through the following technical solutions:
A kind of earthquake-resistant structure support connection structure, including longitudinal steel pipe made of square steel and horizontal steel pipe, indulged in described Fixes sleeve is provided with to steel pipe, pivot flange is provided with described fixes sleeve upper end outer wall, in described fixed cover Step trough is provided with the inwall of cylinder upper end, Access Division is respectively arranged with the end upper and lower ends face of described horizontal steel pipe, Described Access Division is mutually perpendicular to described horizontal steel pipe, and described rank can be embedded in positioned at the described Access Division of bottom In terraced groove, through hole, the axis of described through hole and the line phase of the Access Division described in 2 are provided with described horizontal steel pipe It is mutually parallel, fixing hole is provided with described pivot flange, moving sleeve is set with described longitudinal steel pipe, described consolidates Determining sleeve can be slided up and down along described longitudinal steel pipe, and adpting flange is provided with the lower surface of described moving sleeve, The thread pore structure corresponding with described fixing hole position sum amount is provided with described adpting flange, in described company It is provided with fixing bolt on acting flange, described fixing bolt sequentially passes through fixing hole on described pivot flange and described In through hole on horizontal steel pipe and the screwed hole being threaded on described adpting flange, superposed described Access Division It can be embedded in the cavity between described moving sleeve and described longitudinal steel pipe, in the case where described fixing bolt is set with Damping spring, described lower damping spring be sleeved on described pivot flange upper surface and described horizontal steel pipe lower surface it Between, damping spring is set with described fixing bolt, described upper damping spring is sleeved on described adpting flange lower end Between face and described horizontal steel pipe upper surface.
Further, for the present invention is better achieved, screwed hole is provided with described longitudinal steel pipe, is consolidated in described Determine to be provided with the through hole corresponding with the screw thread hole number and position in the side wall of sleeve, positioning spiral shell is provided with the through hole Bolt, through hole of the described bolt in the side wall of described fixes sleeve are simultaneously threaded in described longitudinal steel pipe On.
Further, for the present invention is better achieved, screwed hole is provided with the side wall of described fixes sleeve, in place In being provided with the through hole corresponding with the screw thread hole site on the described Access Division of bottom, it is provided with described through hole tight Fixing bolt, described fastening bolt are threaded in the screwed hole in described fixes sleeve side wall, and its end is plugged on institute In the through hole on Access Division stated.
Further, for the present invention is better achieved, screwed hole is provided with the side wall of described moving sleeve, in place In being provided with the through hole corresponding with the screw thread hole site on the described Access Division on top, it is provided with described through hole tight Fixing bolt, described fastening bolt are threaded in the screwed hole in described moving sleeve side wall, and its end is plugged on institute In the through hole on Access Division stated.
Further, for the present invention is better achieved, the invention also discloses a kind of earthquake-resistant structure support connection method, bag Include following steps:
S1:Fixes sleeve is sleeved on longitudinal steel pipe, fixes its relatively longitudinal steel pipe, it is impossible to vertically move;
S2:By fixing hole of the fixing bolt on pivot flange, and set loads damping spring on fixing bolt;
S3:The Access Division that horizontal steel pipe end is located to bottom is connected in the step trough on the inside of fixes sleeve, makes transverse direction The lower surface of steel pipe is fitted on lower damping spring upper surface, makes to be connected to step trough and longitudinal steel pipe positioned at the Access Division of bottom In cavity between outer wall;
S4:Set loads onto damping spring on fixing bolt, the lower surface of damping spring is fitted in the upper of horizontal steel pipe On end face;
S5:Moving sleeve is sleeved on longitudinal steel pipe, and moved down along longitudinal steel pipe, moving sleeve will be located at top Access Division be sleeved in the cavity between moving sleeve and longitudinal steel pipe side wall, and make the screwed hole on adpting flange and fixation Bolt position is corresponding;
S6:Fixing bolt is screwed in the screwed hole on adpting flange, damping spring upper surface is fitted in connection method On blue lower surface, and fixing bolt end is locked using nut.
The present invention compared with prior art, has the advantages that:
(1)The skeleton of supporting structure is made by using square steel by the present invention, can conveniently install and fixed so that laterally and After the steel pipe of longitudinal direction is fixed, steel pipe is not in relatively rotate, and structure can be made more stable;
(2)The mode that the present invention cooperates by using fixes sleeve and moving sleeve so that horizontal steel pipe is in fixation Under the restriction of sleeve and moving sleeve, it is impossible to vertically moved, make its structure more stable, while use fixing bolt, made Three is relatively fixed, and moving sleeve can be made to be relatively fixed above fixes sleeve, plays the effect for limiting horizontal steel pipe;
(3)The present invention is respectively provided with damping spring by using on the upper and lower end face of horizontal steel pipe, can make overall structure When being acted on by external force, active force can be buffered by upper and lower two damping spring structures so that overall structure antidetonation Performance is more preferable, it is not easy to the problems such as fracture is produced under external forces;
(4)The present invention can make horizontal steel pipe be limited to fixes sleeve, movement by setting two Access Division structures up and down In cavity between sleeve and longitudinal steel pipe side wall, it is seted to make structure more firm from transverse shifting.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is overall structure diagram of the present invention.
Wherein:101. longitudinal steel pipe, 102. horizontal steel pipes, 103. fixes sleeves, 104. pivot flanges, 105. Access Divisions, 106. step trough, 107. moving sleeves, 108. adpting flanges, 109. fixing bolts, 110. bolts, 112. fastening bolts, 113. damping spring is played, damping spring on 114..
Embodiment
The present invention is described in further detail with reference to specific embodiment, but embodiments of the present invention are not limited to This.
Embodiment 1:
As shown in figure 1, a kind of earthquake-resistant structure support connection structure, including longitudinal steel pipe 101 and horizontal steel made of square steel Pipe 102, fixes sleeve 103 is provided with described longitudinal steel pipe 101, is set on the described upper end outer wall of fixes sleeve 103 There is pivot flange 104, step trough 106 is provided with the described upper end inwall of fixes sleeve 103, in described horizontal steel pipe Access Division 105, described Access Division 105 and the described phase of horizontal steel pipe 102 are respectively arranged with 102 end upper and lower ends face It is mutually vertical, it can be embedded in positioned at the described Access Division 105 of bottom in described step trough 106, in described horizontal steel pipe Through hole is provided with 102, the axis of described through hole and the line of the Access Division 105 described in 2 are parallel to each other, described support Fixing hole is provided with flange 104, moving sleeve 107, described fixes sleeve are set with described longitudinal steel pipe 101 103 can be slided up and down along described longitudinal steel pipe 101, and connection method is provided with the lower surface of described moving sleeve 107 Orchid 108, is provided with the thread pore structure corresponding with described fixing hole position sum amount on described adpting flange 108, Fixing bolt 109 is provided with described adpting flange 108, described fixing bolt 109 sequentially passes through described supporting methods Fixing hole on orchid 104 and the through hole on described horizontal steel pipe 102 and the spiral shell being threaded on described adpting flange 108 In pit, superposed described Access Division 105 can be embedded in described moving sleeve 107 and described longitudinal steel pipe In cavity between 101, lower damping spring 113,113 sets of described lower damping spring are set with described fixing bolt 109 Between the described upper surface of pivot flange 104 and the described lower surface of horizontal steel pipe 102, in described fixing bolt 109 Be set with damping spring 114, described upper damping spring 114 be sleeved on the described lower surface of adpting flange 108 with it is described Between the horizontal upper surface of steel pipe 102.
The skeleton of supporting structure is made by using square steel by the present invention, can conveniently install and fixed so that laterally and vertical To steel pipe be fixed after, steel pipe is not in relatively rotate, and structure can be made more stable;The present invention is by using solid Determine the mode that sleeve and moving sleeve cooperate so that horizontal steel pipe is under the restriction of fixes sleeve and moving sleeve, it is impossible to Vertically moved, make its structure more stable, while use fixing bolt, be relatively fixed three, movement can be made Sleeve is relatively fixed above fixes sleeve, plays the effect for limiting horizontal steel pipe;The present invention is by using in horizontal steel pipe Damping spring is respectively provided with upper and lower end face, overall structure can be made when being acted on by external force, active force can pass through upper and lower two Individual damping spring structure is buffered so that overall structure anti-seismic performance is more preferable, it is not easy to fracture is produced under external forces The problems such as;The present invention can make horizontal steel pipe be limited to fixes sleeve, moving sleeve by setting two Access Division structures up and down In cavity between longitudinal steel pipe side wall, it is seted to make structure more firm from transverse shifting.
Preferably, in the present embodiment, fixes sleeve is bolted to connection on longitudinal steel pipe, in described longitudinal direction Screwed hole is provided with steel pipe 101, is provided with the side wall of described fixes sleeve 103 and the screw thread hole number and position phase Corresponding through hole, is provided with bolt 110 in the through hole, and described bolt 110 runs through described fixes sleeve 103 Side wall on through hole and be threaded on described longitudinal steel pipe 101.
In order to facilitate the interconnection between fixes sleeve and Access Division, in the present embodiment, it is preferable that in described fixation Screwed hole is provided with the side wall of sleeve 103, is provided with and the screw thread hole site on the described Access Division 105 positioned at bottom Corresponding through hole, is provided with fastening bolt 112 in described through hole, and described fastening bolt 112 is threaded in described The side wall of fixes sleeve 103 on screwed hole in, its end is plugged in the through hole on described Access Division 105.
In order to facilitate the interconnection between moving sleeve and Access Division, in the present embodiment, it is preferable that in described movement Screwed hole is provided with the side wall of sleeve 107, is provided with and the screw thread hole site on superposed described Access Division 105 Corresponding through hole, is provided with fastening bolt 112 in described through hole, and described fastening bolt 112 is threaded in described The side wall of moving sleeve 107 on screwed hole in, its end is plugged in the through hole on described Access Division 105.
Embodiment 2:
The present embodiment also discloses a kind of earthquake-resistant structure support connection method, including following step on the basis of embodiment 1 Suddenly:
S1:Fixes sleeve 103 is sleeved on longitudinal steel pipe 101, fixes its relatively longitudinal steel pipe 101, it is impossible to longitudinal direction It is mobile;
S2:By fixing hole of the fixing bolt 109 on pivot flange 104, and set loads damping on fixing bolt 109 Spring 113;
S3:The Access Division 105 that the horizontal end of steel pipe 102 is located at bottom is connected to the step trough of the inner side of fixes sleeve 103 In 106, the lower surface of horizontal steel pipe 102 is fitted on the lower upper surface of damping spring 113, make positioned at the Access Division 105 of bottom It is connected in the cavity between step trough 106 and the outer wall of longitudinal steel pipe 101;
S4:Set loads onto damping spring 114 on fixing bolt 109, the lower surface of damping spring 114 is fitted in transverse direction On the upper surface of steel pipe 102;
S5:Moving sleeve 107 is sleeved on longitudinal steel pipe 101, and moved down along longitudinal steel pipe 101, makes moving sleeve 107 are sleeved on superposed Access Division 105 in the cavity between moving sleeve 107 and the side wall of longitudinal steel pipe 101, and make company Screwed hole on acting flange 108 is corresponding with the position of fixing bolt 109;
S6:Fixing bolt 109 is screwed in the screwed hole on adpting flange 108, is bonded the upper surface of damping spring 114 The end of fixing bolt 109 is locked on the lower surface of adpting flange 108, and using nut.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (5)

  1. A kind of 1. earthquake-resistant structure support connection structure, it is characterised in that:Including longitudinal steel pipe (101) and horizontal steel made of square steel Manage (102), be provided with fixes sleeve (103) on described longitudinal steel pipe (101), outside described fixes sleeve (103) upper end Pivot flange (104) is provided with wall, step trough (106) is provided with described fixes sleeve (103) upper end inwall, in institute Be respectively arranged with Access Division (105) in the end upper and lower ends face for the horizontal steel pipe (102) stated, described Access Division (105) with Described horizontal steel pipe (102) is mutually perpendicular to, and described step trough can be embedded in positioned at the described Access Division (105) of bottom (106) in, it is provided with through hole on described horizontal steel pipe (102), the axis of described through hole and the Access Division described in 2 (105) line is parallel to each other, and described pivot flange is provided with fixing hole on (104), on described longitudinal steel pipe (101) Moving sleeve (107) is set with, described fixes sleeve (103) can slide up and down along described longitudinal steel pipe (101), in institute Adpting flange (108) is provided with the lower surface for the moving sleeve (107) stated, is provided with described adpting flange (108) The thread pore structure corresponding with described fixing hole position sum amount, fixation is provided with described adpting flange (108) Bolt (109), described fixing bolt (109) sequentially pass through fixing hole and described horizontal stroke on described pivot flange (104) It is superposed described into the through hole on steel pipe (102) and the screwed hole that is threaded on described adpting flange (108) Access Division (105) can be embedded in the cavity between described moving sleeve (107) and described longitudinal steel pipe (101), Lower damping spring (113) is set with described fixing bolt (109), described lower damping spring (113) is sleeved on described Between pivot flange (104) upper surface and described horizontal steel pipe (102) lower surface, it is set with described fixing bolt (109) Have a upper damping spring (114), described upper damping spring (114) be sleeved on described adpting flange (108) lower surface with it is described Horizontal steel pipe (102) upper surface between.
  2. A kind of 2. earthquake-resistant structure support connection structure according to claim 1, it is characterised in that:In described longitudinal steel pipe (101) screwed hole is provided with, is provided with the side wall of described fixes sleeve (103) and the screw thread hole number and position phase Corresponding through hole, is provided with bolt (110) in the through hole, and described bolt (110) runs through described fixed cover Through hole in the side wall of cylinder (103) is simultaneously threaded on described longitudinal steel pipe (101).
  3. A kind of 3. earthquake-resistant structure support connection structure according to right will require 1, it is characterised in that:In described fixed cover Screwed hole is provided with the side wall of cylinder (103), is provided with and the screw thread hole position on the described Access Division (105) positioned at bottom Corresponding through hole is put, fastening bolt (112), described fastening bolt (112) threaded connection are provided with described through hole In screwed hole in described fixes sleeve (103) side wall, its end is plugged on the through hole on described Access Division (105) It is interior.
  4. A kind of 4. earthquake-resistant structure support connection structure according to claim 1, it is characterised in that:In described moving sleeve (107) screwed hole is provided with side wall, is provided with and the screw thread hole site on superposed described Access Division (105) Corresponding through hole, is provided with fastening bolt (112) in described through hole, and described fastening bolt (112) is threaded in In screwed hole in described moving sleeve (107) side wall, its end is plugged in the through hole on described Access Division (105).
  5. A kind of 5. earthquake-resistant structure support connection method, it is characterised in that:Comprise the following steps:
    S1:Fixes sleeve (103) is sleeved on longitudinal steel pipe (101), makes its relatively longitudinal steel pipe (101) fixed, it is impossible to vertical To movement;
    S2:By fixing hole of the fixing bolt (109) on pivot flange (104), and cover to load on fixing bolt (109) and subtract Shake spring (113);
    S3:The Access Division (105) that horizontal steel pipe (102) end is located to bottom is connected to ladder on the inside of fixes sleeve (103) In groove (106), the lower surface of horizontal steel pipe (102) is fitted on lower damping spring (113) upper surface, make the card positioned at bottom Socket part (105) is connected in the cavity between step trough (106) and longitudinal steel pipe (101) outer wall;
    S4:Set loads onto damping spring (114) on fixing bolt (109), the lower surface of damping spring (114) is fitted in horizontal stroke To on the upper surface of steel pipe (102);
    S5:Moving sleeve (107) is sleeved on longitudinal steel pipe (101), and moved down along longitudinal steel pipe (101), makes movable sleeving Superposed Access Division (105) are sleeved on the sky between moving sleeve (107) and longitudinal steel pipe (101) side wall by cylinder (107) Intracavitary, and make the screwed hole on adpting flange (108) corresponding with fixing bolt (109) position;
    S6:Fixing bolt (109) is screwed in the screwed hole on adpting flange (108), pastes damping spring (114) upper surface Close on the lower surface of adpting flange (108), and locked fixing bolt (109) end using nut.
CN201610041229.9A 2016-01-21 2016-01-21 A kind of earthquake-resistant structure support connection structure and attaching method thereof Active CN105604185B (en)

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NL2032739A (en) * 2022-08-11 2022-10-06 Univ Zhengzhou Aeronautics Energy-dissipation type beam-column joint with energy dissipation function

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CN106121918B (en) * 2016-08-05 2019-04-02 国网山东省电力公司龙口市供电公司 A kind of wind tower power generator
CN107246082B (en) * 2017-06-02 2019-04-26 安徽智汇乐享科技有限公司 A kind of para-seismic support on the vertical steel construction of large span space
CN107676579A (en) * 2017-10-13 2018-02-09 天津塔尔森科技发展有限公司 Steel structure support base
CN108221707B (en) * 2018-03-23 2023-09-01 中国五冶集团有限公司 Equipment convenient to bridge beam supports installation
CN109235642A (en) * 2018-09-28 2019-01-18 冯锦 A kind of light thin wall square tube assembling type steel structure
CN110924528B (en) * 2019-12-03 2021-07-09 湖南衡科铝材科技有限公司 Aluminum alloy plate type node structure with reinforced web
CN111705925A (en) * 2020-07-02 2020-09-25 王柏彰 Prefabricated member for building steel structure
CN112290494B (en) * 2020-09-14 2022-02-25 中国五冶集团有限公司 Building electrical pipeline system passing through seismic joint and construction method thereof
CN115262760B (en) * 2022-08-18 2023-05-16 福建江夏学院 Assembled steel pipe truss reinforced node connection structure and use method thereof

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CN104838075A (en) * 2012-12-04 2015-08-12 乌本产权有限公司 Vibration-limiting module and device, structural segment for structural installation, and wind turbine having vibration-limiting module
CN204900643U (en) * 2015-06-15 2015-12-23 徐工集团工程机械股份有限公司科技分公司 Damper

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JP2008127940A (en) * 2006-11-24 2008-06-05 Kurosawa Construction Co Ltd Structure and method for joining column and beam together
CN201835397U (en) * 2010-08-26 2011-05-18 北京市建筑设计研究院 TMD (tuned mass damper) device
CN104838075A (en) * 2012-12-04 2015-08-12 乌本产权有限公司 Vibration-limiting module and device, structural segment for structural installation, and wind turbine having vibration-limiting module
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2032739A (en) * 2022-08-11 2022-10-06 Univ Zhengzhou Aeronautics Energy-dissipation type beam-column joint with energy dissipation function

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