WO2019119686A1 - 装配式自恢复圆形钢管混凝土组合节点 - Google Patents

装配式自恢复圆形钢管混凝土组合节点 Download PDF

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Publication number
WO2019119686A1
WO2019119686A1 PCT/CN2018/082751 CN2018082751W WO2019119686A1 WO 2019119686 A1 WO2019119686 A1 WO 2019119686A1 CN 2018082751 W CN2018082751 W CN 2018082751W WO 2019119686 A1 WO2019119686 A1 WO 2019119686A1
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Prior art keywords
plate
steel
pipe column
steel pipe
column
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PCT/CN2018/082751
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English (en)
French (fr)
Inventor
牟犇
王悦
王君昌
于德湖
王燕
乔崎云
葛蓓蓓
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青岛理工大学
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Application filed by 青岛理工大学 filed Critical 青岛理工大学
Priority to JP2019516467A priority Critical patent/JP6781488B2/ja
Priority to US16/480,314 priority patent/US10633851B2/en
Priority to DK18891819.7T priority patent/DK3660237T3/da
Priority to EP18891819.7A priority patent/EP3660237B1/en
Publication of WO2019119686A1 publication Critical patent/WO2019119686A1/zh

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams
    • 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
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • 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
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
    • 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
    • E04B1/18Structures 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
    • E04B2001/2406Connection nodes
    • 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
    • E04B2001/2415Brackets, gussets, joining plates
    • 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
    • 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
    • E04B2001/2448Connections between open section profiles
    • 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
    • E04B2001/2457Beam to beam connections
    • 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
    • E04B2001/246Post to post connections
    • 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
    • E04B2001/2466Details of the elongated load-supporting parts
    • E04B2001/2478Profile filled with concrete

Definitions

  • the invention relates to the technical field of building structural members, in particular to a fabricated self-recovering circular steel tube concrete composite node.
  • connection between the frame structure beam and the column can be divided into a rigid connection, a flexible connection and a semi-rigid connection according to the difference in rotational rigidity.
  • the traditional frame beam-column joints can be divided into three types: full welded joints, bolted hybrid joints and bolted joints.
  • the self-recovery functional structure is a new type of damping control structure. It not only protects people's lives and property during earthquakes, but also helps people reset their normal life as soon as possible after a major earthquake. It is an ideal new design for seismic design of structures. direction.
  • the self-recovering structural system mainly includes replaceable structural members, rocking structures, and self-resetting devices. In recent years, studies have shown that the sway of the structure can reduce the seismic design and the ductile design requirements of the structure itself, reduce the earthquake damage, and save the structural cost.
  • the main object of the present invention is to provide a new type of self-recovering circular steel tube concrete composite node for the above problems.
  • the assembled self-recovering circular steel tube concrete composite node comprises a round steel pipe column and an H-shaped steel beam, and the steel pipe column penetrates the steel bar, and the round steel pipe column comprises an upper steel pipe column, a central plug column and a lower section.
  • a steel pipe column, the upper steel pipe column and the central plug column are connected by an upper sleeve connecting member, and the central plug column and the lower steel pipe column are connected by a lower sleeve connecting member;
  • a reinforcing steel fixing plate is fixed on the upper end of the upper steel pipe column and the lower end of the steel pipe column, and a through hole is arranged in the center of the reinforcing steel plate, and a steel hole is arranged around the through hole, and the steel bar sequentially passes through the steel plate fixing plate and the round steel pipe at the upper end of the upper steel pipe column.
  • the steel plate fixing plate at the lower end of the column and the lower steel pipe column, and the two ends of the steel bar are fixed by fasteners;
  • the upper sleeve connecting member comprises a circular tube, a connecting ring plate and a inserting plate, wherein the diameter of the round tube is smaller than the diameter of the round steel tube column, the connecting ring plate is arranged at the middle of the round tube, the connecting ring plate comprises at least two end plates, and the inserting plate is fixed Below the end plate, perpendicularly connected with the circular tube and the end plate; the structure of the lower sleeve connecting member is symmetrical with the upper sleeve connecting member, and the inserting plate is fixed above the end plate;
  • the upper end and the lower end of the center plug post are provided with grooves matching the inserting plate
  • a convex plate is arranged at an intermediate position of the web at one end of the H-shaped steel beam and the round steel pipe column, and the distance between the edge of the convex plate and the upper flange of the H-shaped steel beam is not less than the height of the upper casing connecting piece, under the convex plate The distance between the edge and the lower flange of the H-shaped steel beam is not less than the height of the lower sleeve connector insert;
  • the upper half of the upper sleeve connector is inserted into the upper steel pipe column, the insert plate is inserted into the groove at the upper end of the center plug column, and the lower half of the lower sleeve connector is inserted into the lower steel pipe column.
  • the insert plate is inserted into the groove at the lower end of the center plug post; the convex plate of the H-shaped steel beam is inserted between the insert plate of the upper sleeve connector and the insert plate of the lower sleeve connector, and both sides of the insert plate and the convex plate
  • the web connecting plate, the upper flange of the H-shaped steel beam and the end plate of the upper sleeve connecting piece, the lower flange of the H-shaped steel beam and the end plate of the lower sleeve connecting piece are respectively connected by the flange connecting plate Pick up.
  • the round steel pipe column is connected with four H-shaped steel beams, and the connecting ring plate comprises four end plates, and the four end plates have a cross shape.
  • the round steel pipe column is connected with three H-shaped steel beams, and the connecting ring plate comprises three end plates, and the three end plates are T-shaped.
  • the round steel pipe column is connected with two H-shaped steel beams, and the connecting ring plate comprises two end plates, and the two end plates are in a shape of a line or perpendicular to each other.
  • the gap between the upper steel pipe column and the center plug column, the lower steel pipe column and the center plug column is filled with rubber material to prevent concrete from overflowing.
  • insert plate and the convex plate of the H-shaped steel beam are connected to the web connecting plate by high-strength bolts.
  • the upper and lower flange plates of the end plate and the H-shaped steel beam are connected to the flange connecting plate by high-strength bolts.
  • the upper steel pipe column, the central plug column, the lower steel pipe column, the upper and lower sleeve connecting parts and the H-shaped steel beam are prefabricated in advance in the factory, and only need to be assembled on site.
  • the installation method of the assembled self-recovering circular steel tube concrete composite node comprises the following steps:
  • the upper sleeve connector and the lower sleeve connector are respectively inserted into the center plug post;
  • the upper steel pipe column is connected with the upper sleeve connecting member, and the lower steel pipe column is connected with the lower sleeve connecting member;
  • the convex plate of the H-shaped steel beam is inserted between the inserting plate of the upper sleeve connecting piece and the inserting plate of the lower sleeve connecting piece, and the inserting plate and the convex plate are lapped by the web connecting plate on both sides;
  • the upper flange of the H-shaped steel beam and the end plate of the upper sleeve connecting member, the lower flange of the H-shaped steel beam and the end plate of the lower sleeve connecting member are respectively overlapped by the flange connecting plate;
  • Step 5 Insert the high-strength steel bar into the reserved steel hole on the steel plate fixing plate at the upper end of the upper steel pipe column, and pass through the upper steel pipe column, the center plug column and the lower steel pipe column in turn, and finally pass through the lower steel pipe column lower end steel bar fixing plate.
  • the reserved steel hole is fixed, and the two ends of the steel bar are tightened by a nut to complete the fixed connection;
  • Step 6 The concrete is poured into the circular steel pipe column through the through hole reserved on the reinforcing plate of the steel bar, so that the joint portion is integrally connected by the snap joint.
  • the assembled self-recovering circular steel tube concrete composite node of the invention can be processed at the factory, and all the sites are bolted to realize complete assembly construction, which can avoid the quality problems that may be brought by on-site welding. And speed up construction progress and increase labor productivity;
  • the invention effectively avoids the defects such as the integrity of the traditional prefabricated structure and the poor seismic performance by setting the reinforcing bars and the prestressed concrete penetrating through the joints, preventing the premature occurrence of cracks in the concrete and enhancing the connection of the vertical members.
  • the reliability of the structure enhances the structural integrity, so that the node has good seismic performance, effectively avoiding the situation that the node is damaged before the component in the earthquake;
  • the assembled self-recovering circular steel tube concrete composite joint of the present invention has the same function as the ordinary beam-column fixed joint under the action of small earthquakes, and realizes the seismic fortification target of "small earthquake not bad" through the design of the node;
  • the cast steel inner sleeve joint connected at the end of the column provides the rotational rigidity, and the central plug column and the upper and lower steel pipe columns have a tendency to separate, but the concrete in the steel pipe column is prestressed by the high strength steel bar group. It will not prematurely crack, and the high-strength steel bar in the steel pipe column will always be in an elastic state.
  • the deformation after the earthquake can be quickly restored and continue to function.
  • the structure may have large deformation, but due to the structural integrity, it will not collapse. After the earthquake, any damaged components can be accurately disassembled and quickly replaced.
  • Figure 1 is a schematic exploded view of the structure of the present invention
  • FIG. 2 is a schematic exploded view of the cylindrical steel pipe column structure of the present invention.
  • Figure 3 is a partial exploded view of the present invention A
  • Figure 4 is a schematic structural view of the present invention after assembly
  • the above drawings include the following reference numerals: 1, round steel pipe column; 2, H-shaped steel beam; 3, upper steel pipe column; 4, central plug column; 5, lower steel pipe column; 6, upper sleeve connector ; 7, the lower sleeve connector; 8, steel fixed plate; 9, steel, 10, round pipe; 11, connecting ring plate; 12, insert plate; 13, end plate; 14, groove; 15, convex plate; 16, web connecting plate; 17, flange connecting plate.
  • the assembled self-recovering circular steel tube concrete composite node of the present invention comprises a round steel pipe column 1 and an H-shaped steel beam 2, and the steel pipe column penetrates the steel bar 9, and the circular steel pipe column includes The upper steel pipe column 3, the central plug column 4 and the lower steel pipe column 5, the upper steel pipe column and the central plug column are connected by the upper sleeve connecting member 6, and the central plug column and the lower steel pipe column are connected by a lower sleeve Piece 7 connection;
  • a reinforcing steel fixing plate 8 is fixed on the upper end of the upper steel pipe column and the lower end of the steel pipe column in the lower section, and a through hole is arranged in the center of the reinforcing steel fixing plate, and a steel hole is arranged around the through hole, and the steel bar passes through the reinforcing plate and the round of the upper end of the upper steel pipe column in turn.
  • Steel pipe column and steel bar fixing plate at the lower end of the lower steel pipe column, the two ends of the steel bar are fixed by fasteners;
  • the upper sleeve connecting member comprises a circular tube 10, a connecting ring plate 11 and a plug-in plate 12, the diameter of the round tube is smaller than the diameter of the round steel tube column, the connecting ring plate is disposed at an intermediate position of the round tube, and the connecting ring plate comprises at least two end plates 13
  • the inserting plate is fixed under the end plate, and is perpendicularly connected with the round pipe and the end plate; the structure of the lower sleeve connecting member is symmetrical with the upper sleeve connecting member, and the inserting plate is fixed above the end plate;
  • the connecting ring plate comprises four end plates, and the four end plates are in a cross shape; if the round steel pipe column and the three H-shaped steel When the beam is connected, the connecting ring plate comprises three end plates, and the three end plates are T-shaped; if the round steel pipe column is connected with two H-shaped steel beams, the connecting ring plate comprises two end plates, and the two end plates are in a shape Glyphs or perpendicular to each other.
  • the upper end and the lower end of the center plug post are provided with a groove 14 matching the inserting plate;
  • a convex plate 15 is disposed at an intermediate position of the web at one end of the H-shaped steel beam and the round steel pipe column, and the distance between the edge of the convex plate and the upper flange of the H-shaped steel beam is not less than the height of the upper casing connecting piece, the convex plate The distance between the lower edge and the lower flange of the H-shaped steel beam is not less than the height of the lower sleeve connector insert;
  • the upper half of the upper sleeve connector When connecting, the upper half of the upper sleeve connector is inserted into the upper steel pipe column, the insert is inserted into the groove at the upper end of the center plug, and the lower half of the lower sleeve is inserted into the lower steel pipe.
  • the insert plate In the column, the insert plate is inserted into the groove at the lower end of the center plug post; the convex plate of the H-shaped steel beam is inserted between the insert plate of the upper sleeve connecting piece and the insert plate of the lower sleeve connecting piece, the convex plate and the insert
  • the connection of the board is overlapped by adding a web connecting plate 16 on both sides of the inserting plate and the convex plate, and the inserting plate, the convex plate and the web connecting plate are connected by high-strength bolts; the upper flange and the upper sleeve of the H-shaped steel beam
  • the upper steel pipe column, the central plug column, the lower steel pipe column, the upper and lower sleeve connecting parts and the H-shaped steel beam are prefabricated in advance in the factory, and only need to be assembled on site.
  • the installation method of the assembled self-recovering circular steel tube concrete composite node comprises the following steps:
  • the upper sleeve connector and the lower sleeve connector are respectively inserted into the center plug post;
  • the upper steel pipe column is connected with the upper sleeve connecting member, and the lower steel pipe column is connected with the lower sleeve connecting member;
  • the convex plate of the H-shaped steel beam is inserted between the inserting plate of the upper sleeve connecting piece and the inserting plate of the lower sleeve connecting piece, and both sides of the inserting plate and the convex plate are overlapped by the web connecting plate;
  • the upper flange of the H-shaped steel beam and the end plate of the upper sleeve connecting member, the lower flange of the H-shaped steel beam and the end plate of the lower sleeve connecting member are respectively overlapped by the flange connecting plate;
  • Step 5 Insert the high-strength steel bar into the reserved steel hole on the steel plate fixing plate at the upper end of the upper steel pipe column, and pass through the upper steel pipe column, the center plug column and the lower steel pipe column in turn, and finally pass through the lower steel pipe column lower end steel bar fixing plate.
  • the reserved steel hole is fixed, and the two ends of the steel bar are tightened by a nut to complete the fixed connection;
  • Step 6 Pour concrete into the circular steel pipe column through the through hole reserved on the steel plate fixing plate, so that the joint portion is integrally connected by the snap joint; in order to prevent concrete overflow, the upper steel pipe column and the center plug column and the lower section
  • the gap between the steel pipe column and the center plug post is filled with a rubber material.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

一种装配式自恢复圆形钢管混凝土组合节点,其包括圆钢管柱(1)和H型钢梁(2),圆钢管柱(1)内贯穿钢筋(9),圆钢管柱(1)包括上段钢管柱(3)、中心插接柱(4)和下段钢管柱(5),上段钢管柱(3)与中心插接柱(4)之间通过上套筒连接件(6)连接,中心插接柱(4)与下段钢管柱(5)之间通过下套筒连接件(7)连接;H型钢梁(2)通过上下两个套筒连接件(6,7)与圆钢管柱(1)连接。所有构件均可在工厂加工、现场通过螺栓连接形成节点,避免现场焊接可能带来的质量问题;该节点的设计可防止地震时混凝土中裂缝过早产生,可实现小震不坏、中震后变形迅速恢复、大震后可精准拆卸并实现快速更换的抗震设防目标。

Description

装配式自恢复圆形钢管混凝土组合节点 技术领域
本发明涉及建筑结构构件技术领域,具体而言,涉及一种装配式自恢复圆形钢管混凝土组合节点。
背景技术
钢结构构件通过连接节点组成结构体系,节点形式的选择对于结构整体性、可靠度、建设周期以及附属构件设计施工有着直接的影响。框架结构梁与柱的连接按转动刚度的不同可分为刚性连接、柔性连接和半刚性连接。
目前来说,刚性连接设计的应用最为广泛,传统的框架梁柱刚接节点又可分为全焊接节点、栓焊混合连接和螺栓连接三种形式。研究发现前两种连接形式在地震发生时容易因梁端焊缝质量问题以及得不到有效保护而发生脆性破坏,且传统节点形式皆存在破坏后难以修复、加固的问题,这样就必然会造成节点可靠度难以保证或者是材料浪费的问题。
自恢复功能结构是一种新型的减震控制结构,它不仅能在地震时保护人们的生命财产安全,也能帮助人们在大地震之后,尽快复位正常生活,是结构抗震设计的一个理想的新方向。自恢复结构体系主要包括可更换结构构件,摇摆结构,以及自复位装置等。近年来,研究表明,结构的摇摆可以降低地震作用和结构本身的延性设计需求,减小地震破坏,节约结构造价。放松结构与基础间约束或构件间约束,使结构与基础或构件接触面处仅有受压能力而无受拉能力,则结构在地震作用下发生摇摆,通过预应力使结构复位,形成自复位结构。这种新型结构体系既能有效控制结构“最大变形”,又能减少结构“残留变形”。
目前诸多学者在框架结构体系梁柱节点中框架梁处设置了预应力拉索来实现地震后结构复位的功能,短梁段与柱通过在工厂张拉预应力索完成连接,在施工现场只需像普通钢梁一样的方法通过全栓接或栓焊混合连接安装中间梁段,现场无需张拉预应力拉索,方便了施工、提高了施工质量且减少了安装时间。但是对于在柱间采用高强钢筋的钢管混凝土组合节点实现柱间自复位方面有待研究和开发。
发明内容
本发明的主要目的在于针对上述问题,提供一种新型的装配式自恢复圆形钢管混凝土组合节点。
为了实现上述目的,本发明的装配式自恢复圆形钢管混凝土组合节点,包括圆钢管柱和H型钢梁,圆钢管柱内贯穿钢筋,圆钢管柱包括上段钢管柱、中心插接柱和下段钢管柱,上 段钢管柱与中心插接柱之间通过上套筒连接件连接,中心插接柱与下段钢管柱之间通过下套筒连接件连接;
上段钢管柱的上端和下段钢管柱的下端均固定有钢筋固定板,钢筋固定板中心设置有通孔,通孔四周设置有钢筋孔,钢筋依次穿过上段钢管柱上端的钢筋固定板、圆钢管柱和下段钢管柱下端的钢筋固定板,钢筋两端通过紧固件固定;
上套筒连接件包括圆管、连接环板和插板,圆管的直径小于圆钢管柱的直径,圆管中间位置设置有连接环板,连接环板包括至少两块端板,插板固定在端板下方,与圆管、端板均垂直连接;下套筒连接件的结构与上套筒连接件对称,插板固定在端板上方;
中心插接柱上端及下端均设置有与插板相匹配的凹槽;
H型钢梁与圆钢管柱连接的一端的腹板中间位置设置有凸板,凸板上边缘与H型钢梁上翼缘之间的距离不小于上套筒连接件插板的高度,凸板下边缘与H型钢梁下翼缘之间的距离不小于下套筒连接件插板的高度;
上套筒连接件的上半部分圆管插入到上段钢管柱中,插板插入到中心插接柱上端的凹槽内,下套筒连接件的下半部分圆管插入到下段钢管柱中,插板插入到中心插接柱下端的凹槽内;H型钢梁的凸板插入到上套筒连接件的插板和下套筒连接件的插板之间,插板和凸板两侧通过腹板连接板搭接,H型钢梁的上翼缘与上套筒连接件的端板、H型钢梁的下翼缘与下套筒连接件的端板分别通过翼缘连接板搭接。
进一步的,圆钢管柱与四个H型钢梁连接,连接环板包括四块端板,四块端板呈十字形。
进一步的,圆钢管柱与三个H型钢梁连接,连接环板包括三块端板,三块端板呈T字形。
进一步的,圆钢管柱与两个H型钢梁连接,连接环板包括两块端板,两块端板呈一字形或相互垂直。
进一步的,上段钢管柱与中心插接柱、下段钢管柱与中心插接柱之间的缝隙里填充有橡胶材料,用以防止混凝土溢出。
进一步的,插板和H型钢梁的凸板通过高强螺栓与腹板连接板连接。
进一步的,端板和H型钢梁的上下翼缘板通过高强螺栓与翼缘连接板连接。
上段钢管柱、中心插接柱、下段钢管柱、上下套筒连接件和H型钢梁均提前在工厂预制好,现场只需组装即可。
上述装配式自恢复圆形钢管混凝土组合节点的安装方法,包括以下步骤:
第一步,将上套筒连接件和下套筒连接件分别插入到中心插接柱内;
第二步,将上段钢管柱与上套筒连接件连接,下段钢管柱与下套筒连接件连接;
第三步,将H型钢梁的凸板插入到上套筒连接件的插板和下套筒连接件的插板之间,插 板和凸板两侧通过腹板连接板搭接;
第四步,H型钢梁的上翼缘与上套筒连接件的端板、H型钢梁的下翼缘与下套筒连接件的端板分别通过翼缘连接板搭接;
第五步:将高强钢筋插入上段钢管柱上端的钢筋固定板上预留的钢筋孔内,依次穿过上段钢管柱、中心插接柱和下段钢管柱,最后穿过下段钢管柱下端钢筋固定板上预留的钢筋孔,钢筋两端由螺帽扭紧完成固定连接;
第六步:通过钢筋固定板上预留的通孔向圆钢管柱内浇筑混凝土,使连接部位通过咬合作用紧固连接形成整体。
本发明具有以下有益效果:
(1)本发明的装配式自恢复圆形钢管混凝土组合节点,所有构件均可在工厂加工完成,现场全部通过螺栓连接,实现了完全装配化施工,可避免现场焊接可能带来的质量问题,并加快施工进度、提高劳动生产率;
(2)本发明通过设置贯穿节点的钢筋群及预应力混凝土等措施有效避免了传统预制装配式结构整体性、抗震性能差等缺点,防止混凝土中裂缝的过早产生,增强了竖向构件连接的可靠性,从而增强结构整体性,使得该种节点具有良好的抗震性能,有效避免了节点在地震中先于构件先破坏的情况;
(3)本发明的装配式自恢复圆形钢管混凝土组合节点在小震作用下与普通梁柱固接节点的功能无异,通过节点的设计实现“小震不坏”的抗震设防目标;中震作用下,柱端连接的铸钢内套筒式连接件提供转动刚度,中心插接柱和上、下段钢管柱有分离的趋势,但钢管柱内的混凝土由于高强钢筋群施加的预应力而不会过早的开裂,钢管柱内高强钢筋受拉始终处于弹性状态,震后变形可迅速恢复,继续发挥功能;大震作用下,结构可能出现大变形,但由于结构整体性强不致倒塌,地震过后,任意破坏的构件均可精准拆卸并实现快速更换。
附图说明
图1是本发明结构分解示意图;
图2是本发明圆钢管柱结构分解示意图;
图3是本发明A处局部分解图;
图4是本发明组装完成后的结构示意图;
其中,上述附图包括以下附图标记:1、圆钢管柱;2、H型钢梁;3、上段钢管柱;4、中心插接柱;5、下段钢管柱;6、上套筒连接件;7、下套筒连接件;8、钢筋固定板;9、钢筋;10、圆管;11、连接环板;12、插板;13、端板;14、凹槽;15、凸板;16、腹板连接 板;17、翼缘连接板。
具体实施方式
下面结合附图对本发明作进一步说明。
如图1、2、3所示,本发明的一种装配式自恢复圆形钢管混凝土组合节点,包括圆钢管柱1和H型钢梁2,圆钢管柱内贯穿钢筋9,圆钢管柱包括上段钢管柱3、中心插接柱4和下段钢管柱5,上段钢管柱与中心插接柱之间通过上套筒连接件6连接,中心插接柱与下段钢管柱之间通过下套筒连接件7连接;
上段钢管柱的上端和下段钢管柱的下端均固定有钢筋固定板8,钢筋固定板中心设置有通孔,通孔四周设置有钢筋孔,钢筋依次穿过上段钢管柱上端的钢筋固定板、圆钢管柱和下段钢管柱下端的钢筋固定板,钢筋两端通过紧固件固定;
上套筒连接件包括圆管10、连接环板11和插板12,圆管的直径小于圆钢管柱的直径,圆管中间位置设置有连接环板,连接环板包括至少两块端板13,插板固定在端板下方,与圆管、端板均垂直连接;下套筒连接件的结构与上套筒连接件对称,插板固定在端板上方;
根据节点在建筑框架中的位置,如果圆钢管柱与四个H型钢梁连接,则连接环板包括四块端板,四块端板呈十字形;如果圆钢管柱与三个H型钢梁连接,则连接环板包括三块端板,三块端板呈T字形;如果圆钢管柱与两个H型钢梁连接,则连接环板包括两块端板,两块端板呈一字形或相互垂直。
中心插接柱上端及下端均设置有与插板相匹配的凹槽14;
H型钢梁与圆钢管柱连接的一端的腹板中间位置设置有凸板15,凸板上边缘与H型钢梁上翼缘之间的距离不小于上套筒连接件插板的高度,凸板下边缘与H型钢梁下翼缘之间的距离不小于下套筒连接件插板的高度;
连接时,上套筒连接件的上半部分圆管插入到上段钢管柱中,插板插入到中心插接柱上端的凹槽内,下套筒连接件的下半部分圆管插入到下段钢管柱中,插板插入到中心插接柱下端的凹槽内;H型钢梁的凸板插入到上套筒连接件的插板和下套筒连接件的插板之间,凸板与插板的连接通过在在插板和凸板两侧增加腹板连接板16与之搭接,插板、凸板和腹板连接板通过高强螺栓连接;H型钢梁的上翼缘与上套筒连接件的端板、H型钢梁的下翼缘与下套筒连接件的端板的连接均通过增加翼缘连接板17与之搭接,上下翼缘与端板均通过高强螺栓连接。连接后的结构示意图如图4所示。
上段钢管柱、中心插接柱、下段钢管柱、上下套筒连接件和H型钢梁均提前在工厂预制好,现场只需组装即可。
上述装配式自恢复圆形钢管混凝土组合节点的安装方法,包括以下步骤:
第一步,将上套筒连接件和下套筒连接件分别插入到中心插接柱内;
第二步,将上段钢管柱与上套筒连接件连接,下段钢管柱与下套筒连接件连接;
第三步,将H型钢梁的凸板插入到上套筒连接件的插板和下套筒连接件的插板之间,插板和凸板两侧通过腹板连接板搭接;
第四步,H型钢梁的上翼缘与上套筒连接件的端板、H型钢梁的下翼缘与下套筒连接件的端板分别通过翼缘连接板搭接;
第五步:将高强钢筋插入上段钢管柱上端的钢筋固定板上预留的钢筋孔内,依次穿过上段钢管柱、中心插接柱和下段钢管柱,最后穿过下段钢管柱下端钢筋固定板上预留的钢筋孔,钢筋两端由螺帽扭紧完成固定连接;
第六步:通过钢筋固定板上预留的通孔向圆钢管柱内浇筑混凝土,使连接部位通过咬合作用紧固连接形成整体;为了防止混凝土溢出,在上段钢管柱与中心插接柱、下段钢管柱与中心插接柱之间的缝隙里填充有橡胶材料。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种装配式自恢复圆形钢管混凝土组合节点,包括圆钢管柱(1)和H型钢梁(2),圆钢管柱(1)内贯穿钢筋(9),其特征在于,圆钢管柱(1)包括上段钢管柱(3)、中心插接柱(4)和下段钢管柱(5),上段钢管柱(3)与中心插接柱(4)之间通过上套筒连接件(6)连接,中心插接柱(4)与下段钢管柱(5)之间通过下套筒连接件(7)连接;
    上段钢管柱(3)的上端和下段钢管柱(5)的下端均固定有钢筋固定板(8),钢筋固定板(8)中心设置有通孔,通孔四周设置有钢筋孔,钢筋(9)依次穿过上段钢管柱(3)上端的钢筋固定板(8)、圆钢管柱(1)和下段钢管柱(5)下端的钢筋固定板(8);
    上套筒连接件(6)包括圆管(10)、连接环板(11)和插板(12),圆管(10)的直径小于圆钢管柱(1)的直径,圆管(10)中间位置设置有连接环板(11),连接环板(11)包括至少两块端板(13),插板(12)固定在端板(13)下方,与圆管(10)、端板(13)均垂直连接;下套筒连接件(7)的结构与上套筒连接件(6)对称,插板(12)固定在端板(13)上方;
    中心插接柱(4)上端及下端均设置有与插板(12)相匹配的凹槽(14);
    H型钢梁(2)与圆钢管柱(1)连接的一端的腹板中间位置设置有凸板(15),凸板(15)上边缘与H型钢梁(2)上翼缘之间的距离不小于上套筒连接件(6)插板(12)的高度,凸板(15)下边缘与H型钢梁(2)下翼缘之间的距离不小于下套筒连接件(7)插板(12)的高度;
    上套筒连接件(6)的上半部分的圆管(10)插入到上段钢管柱(3)中,插板(12)插入到中心插接柱(4)上端的凹槽(14)内,下套筒连接件(7)的下半部分的圆管(10)插入到下段钢管柱(5)中,插板(12)插入到中心插接柱(4)下端的凹槽(14)内;H型钢梁(2)的凸板(15)插入到上套筒连接件(6)的插板(12)和下套筒连接件(7)的插板(12)之间,插板(12)和凸板(15)两侧通过腹板连接板(16)搭接,H型钢梁(2)的上翼缘与上套筒连接件(6)的端板(13)、H型钢梁(2)的下翼缘与下套筒连接件(7)的端板(13)分别通过翼缘连接板(17)搭接。
  2. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,圆钢管柱(1)与四个H型钢梁(2)连接,连接环板(11)包括四块端板(13),四块端板(13)呈十字形。
  3. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,圆钢管柱(1)与三个H型钢梁(2)连接,连接环板(11)包括三块端板(13),三块端板(13)呈T字形。
  4. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,圆钢管柱(1)与两个H型钢梁(2)连接,连接环板(11)包括两块端板(13),两块端板(13)呈一字形或相互垂直。
  5. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,上段钢管柱(3)与中心插接柱(4)、下段钢管柱(5)与中心插接柱(4)之间的缝隙里填充有橡胶材料,用以防止混凝土溢出。
  6. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,插板(12)和H型钢梁(2)的凸板(15)通过高强螺栓与腹板连接板(16)连接。
  7. 根据权利要求1所述的装配式自恢复圆形钢管混凝土组合节点,其特征在于,端板(13)和H型钢梁(2)的上下翼缘板通过高强螺栓与翼缘连接板(17)连接。
  8. 一种权利要求1-7所述的装配式自恢复圆形钢管混凝土组合节点的安装方法,其特征在于,包括以下步骤:
    第一步,将上套筒连接件(6)和下套筒连接件(7)分别插入到中心插接柱(4)内;
    第二步,将上段钢管柱(3)与上套筒连接件(6)连接,下段钢管柱(5)与下套筒连接件(7)连接;
    第三步,将H型钢梁(2)的凸板(15)插入到上套筒连接件(6)的插板(12)和下套筒连接件(7)的插板(12)之间,插板(12)和凸板(15)两侧通过腹板连接板(16)搭接;
    第四步,H型钢梁(2)的上翼缘与上套筒连接件(6)的端板(13)、H型钢梁(2)的下翼缘与下套筒连接件(7)的端板(13)分别通过翼缘连接板(17)搭接;
    第五步:将钢筋(9)插入上段钢管柱(3)上端的钢筋固定板(8)上预留的钢筋孔内,依次穿过上段钢管柱(3)、中心插接柱(4)和下段钢管柱(5),最后穿过下段钢管柱(5)下端钢筋固定板(8)上预留的钢筋孔,钢筋(9)两端由螺帽扭紧完成固定连接;
    第六步:通过钢筋固定板(8)上预留的通孔向圆钢管柱(1)内浇筑混凝土,使连接部位通过咬合作用紧固连接形成整体。
PCT/CN2018/082751 2017-12-21 2018-04-12 装配式自恢复圆形钢管混凝土组合节点 WO2019119686A1 (zh)

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CN116927337A (zh) * 2023-05-26 2023-10-24 中铁四局集团有限公司 一种钢管混凝土柱-预应力钢筋混凝土梁连接节点
CN117005995B (zh) * 2023-09-13 2024-04-16 青岛理工大学 一种装配式韧性防御导管架海上风机的制作方法
CN117005995A (zh) * 2023-09-13 2023-11-07 青岛理工大学 一种装配式韧性防御导管架海上风机及其制作方法

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