CN107190879A - A kind of orthogonal laminated wood shear wall of the replaceable foundation of band - Google Patents

A kind of orthogonal laminated wood shear wall of the replaceable foundation of band Download PDF

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Publication number
CN107190879A
CN107190879A CN201710260370.2A CN201710260370A CN107190879A CN 107190879 A CN107190879 A CN 107190879A CN 201710260370 A CN201710260370 A CN 201710260370A CN 107190879 A CN107190879 A CN 107190879A
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CN
China
Prior art keywords
laminated wood
shear
orthogonal laminated
steel
bar planting
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Pending
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CN201710260370.2A
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Chinese (zh)
Inventor
李征
邹桃
何敏娟
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Tongji University
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Tongji University
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Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN201710260370.2A priority Critical patent/CN107190879A/en
Publication of CN107190879A publication Critical patent/CN107190879A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • 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, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The present invention relates to a kind of orthogonal laminated wood shear wall of the replaceable foundation of band, it is made up of orthogonal laminated wood shear wall, box pad tool, the I-shaped dissipative member of mild steel, billet, bar planting, angle steel with ribbing.The breach of replaceable component is symmetrically reserved in orthogonal laminated wood shear wall Liang Ge foots, box pad tool is firmly connected by the bar planting in orthogonal laminated wood shear wall;The I-shaped component top flange of mild-steel energy-consumption is firmly connected by bolt with box pad tool;The I-shaped component lower flange of mild-steel energy-consumption is firmly connected by the bar planting in basis or floor;Middle part at orthogonal laminated wood shear wall bottom, the one side opening of bid director circle hole that angle steel with ribbing is contacted with shear wall, angle steel is firmly connected with orthogonal laminated wood shear wall with nail or tapping screw by circular hole, angle steel another side opens slotted hole, it is connected with high-strength bolt with floor or basis, high-strength bolt applies pretightning force, and this is connected with enough shear resistances during small shake, middle shake or when shaking greatly, high-strength bolt can have Relative sliding with angle steel.

Description

A kind of orthogonal laminated wood shear wall of the replaceable foundation of band
Technical field
The present invention relates to building engineering field, more particularly to a kind of be used to reducing having for engineering structure earthquake disaster can Change the orthogonal laminated wood shear wall of dissipative member.
Background technology
Earthquake has sudden and unpredictability, and Frequency is higher, and huge loss is caused to human society. China is one of land earthquake-prone countries, and the violent earthquake especially frequently occurred in recent years is caused seriously to building structure Earthquake.
Orthogonal laminated wood is a kind of at least by three-layer real-wood sawn timber or structure composite sheet material orthogonal systems base, using structure gluing The rectangle of agent compacting, straight line, the prefabrication engineering wood products of flat sheet form.With regard to the structural behaviour of orthogonal laminated wood For, orthogonal laminated wood sheet material is compared for other kinds of composite wood board, is used as bearing plate and shear wall. At the same time, compared with the materials such as steel, brick, glass, plastics or concrete, orthogonal laminated wood also shows more preferable environment achievement Effect.
The existing earthquake resistant code of China is respectively that three levels are set up defences and two benches are set to aseismic fortification objects and design method Meter method, traditional architectural structure system resists geological process, dissipation earthquake by the ductility and malformation of construction material Energy, it is ensured that the safety of agent structure, though structure does not collapse after shake, often makes structure and component have very big remaining change Shape, considerably increases the maintenance difficulty of structure after shake, while also increasing rehabilitation expense.Existing orthogonal laminated wood shear wall is usual It is aided with nail using angle iron connecting piece with floor or basis to be connected, this connected mode has orthogonal glue after certain ductility, but shake The destruction for closing wooden shear wall is focused primarily upon in Bolted angle connection node, in the surrender of failure mode angle iron connecting piece, angle iron connecting piece Nail extract or follow closely from timber and cut, locally cleaved while being frequently accompanied by orthogonal laminated wood sheet material.These failure modes make Orthogonal laminated wood shear wall has larger residual deformation after shake, cause structure to be difficult reparation, or structure repair workload it is big, take With height.
The problem of being difficult to repair for destruction after existing orthogonal laminated wood shear wall shake, the present invention proposes there is replaceable pin The new orthogonal laminated wood shear wall of portion's dissipative member, can by damage concentration of the structure in earthquake in foundation dissipative member, So that structure again can put into structure just with need to only change dissipative member after stronger energy dissipation capacity, and shake during earthquake generation Often use.
The content of the invention
There is replaceable foot's dissipative member it is an object of the invention to provide a kind of reduction engineering structure earthquake disaster Orthogonal laminated wood shear wall, reduce engineering structure earthquake disaster, shaken greatly with solving existing orthogonal laminated wood shear wall structure After be not easily repaired or the problem of rehabilitation cost is higher.
The problem of being solved required for of the invention is achieved through the following technical solutions:
A kind of orthogonal laminated wood shear wall of the replaceable foundation of band proposed by the present invention, including orthogonal laminated wood shear wall 11, can Foot part component and angle steel with ribbing 31 are changed, wherein:The replaceable foot part component is by box pad tool 21, I-shaped dissipative member 22nd, the first bar planting 23, the second bar planting 24, the first billet 25 and the second billet 26 are constituted, the orthogonal laminated wood shear wall 11 both sides foundation are excavated, to install replaceable foot part component;
The orthogonal laminated wood shear wall 11 connects floor or basis, the band by nail or tapping screw and angle steel with ribbing 31 The perforate of angle of rib steel 31 be level to slotted hole, when central shake or big shake effect, orthogonal laminated wood shear wall 11 and floor or base There can be relative horizontal displacement between plinth;
The I-shaped dissipative member 22 of mild steel is located between orthogonal laminated wood shear wall 11 and basis or floor, and mild steel is I-shaped The top flange of dissipative member 22 has 21 bottoms by bolt and box pad and is firmly connected, and the top of box pad tool 21 passes through the first bar planting 23 connect with orthogonal laminated wood shear wall 11, the lower flange of the I-shaped dissipative member 22 of mild steel, the first billet 25, the second steel pad Three components of the grade of plate 26 are connected by the second bar planting 24 with basis or floor.Under the horizontal force such as small shake or common wind load, Structure integrally has enough rigidity;When central shake or big shake occur, orthogonal laminated wood shear wall 11 is sent out in wallboard plane Life is moved horizontally and rotated, and the I-shaped dissipative member 22 of mild steel surrenders power consumption in the case where drawing is cut or compression shear is acted on;In angle steel 31 with ribbing Slotted hole cause the horizontal movement of orthogonal laminated wood shear wall not destroy join domain, orthogonal laminated wood shear wall 11 after shake Basic not damaged, box pad tool 21 and the first bar planting 23, the second bar planting 24, the first billet 25, the second billet 26 are not Destroy, the I-shaped dissipative member 22 of mild steel can be easily changed after shake;Stability Analysis of Structures under small shake is reached, the lower shear wall of big shake Wave but do not destroy, only need to provide for simple replacement of the i.e. recoverable preferable anti-seismic performance of dissipative member after shake.
In the present invention, the I-shaped dissipative member 22 of mild steel is made up of Low Yield Point Steel, and Low Yield Point Steel has relatively low Yield strength and good plastic deformation ability, under middle shake or big shake effect, the I-shaped dissipative member of the mild steel can be first In the surrender of other components, and dissipation energy while plastic deformation;Oblique circle is provided with the web of I-shaped dissipative member 22 Hole, a certain degree of stress concentration is produced for weakening its web plate section, and on web, web is easier surrender;It is described The top flange of I-shaped dissipative member 22 is provided with four bolts hole, for being connected with box pad tool 21;The I-shaped power consumption structure Two breach are provided with the range of the lower flange of part 22 and the web certain altitude being connected with lower flange, can be work when being conveniently replaceable Font dissipative member 22 from side take out, without influence floor or on the basis of the second bar planting;The I-shaped dissipative member 22 Second billet 26 is set under lower flange, the first billet 25 is provided between lower flange upper surface and the nut of the second bar planting 24, To strengthen the fastness of connection.
In the present invention, the box pad tool 21 is made up of carbon structural steel, unyielding when middle shake or big shake occur. The box pad has 21 tops and sheared by the first bar planting 23 in orthogonal laminated wood shear wall 11 and nut with orthogonal laminated wood Wall 11 is firmly connected;The box pad has 21 bottoms and is firmly connected with I-shaped dissipative member 22 by bolt.
In the present invention, first billet 25 is made up of carbon structural steel, and two bolts hole are opened thereon, is easy to Bar planting 24 is passed through, after tightening nuts, and first billet 25 and the upper surface of the lower flange of the I-shaped dissipative member of mild steel 22 are tight Contiguity is touched, for the reliability for strengthening connecting at this.
In the present invention, second billet 26 is made up of carbon structural steel, and 4 bolts hole are provided with thereon, are easy to Second bar planting 24 is passed through, and it is located between I-shaped dissipative member 22 and floor or basis after installation, protection floor or base Plinth is not damaged by pressure locally.
In the present invention, the bar planting 24 of the first bar planting 23 and second using high-strength bolt or uses high-grade screw-thread steel, It is Nian Jie by epoxy or polyurethane adhesive between first bar planting 23 and orthogonal laminated wood shear wall 11, it is ensured that to resist with enough Draw and shearing strength.
In the present invention, the angle steel 31 with ribbing uses common angle steel, welds ribbed stiffener on angle steel in a welding manner;Band Angle of rib steel opens multiple standard circular holes with the one side that orthogonal laminated wood shear wall 11 is connected, by circular hole nail or tapping screw by band Angle of rib steel 31 is firmly connected with orthogonal laminated wood shear wall 11;Angle steel another side with ribbing opens multiple slotted holes, oval by these Hole high-strength bolt is connected with floor, and applies pretightning force, and number and the pretightning force of high-strength bolt need to make offer by design Horizontal friction force has suitable value, when horizontal force is little suffered by structure, and the frictional force that the pretightning force is provided is enough to resist Horizontal force, is not slided between bolt and angle steel with ribbing;When big shake occurs, horizontal force exceedes pretension frictional force, bolt with Slided between angle steel with ribbing.
The present invention compared with prior art, with advantages below:
(1)Anti-seismic performance of the present invention is superior.Under small shake, orthogonal laminated wood shear wall has higher anti-side rigidity, can resist Sheared caused by geological process;When central shake or big shake occur, the wallboard of orthogonal laminated wood shear wall occurs in its plane Translation and rotation, the I-shaped dissipative member tension of mild steel are cut or the surrender power consumption of compression shear compound action.This working mechanism makes to cut Power wall construction has good energy dissipation capacity under geological process, significantly reduces the damage of other primary structural members.
(2)Easily repaired after shake the invention enables structure and considerably reduce rehabilitation expense.It is soft under middle shake or big shake The I-shaped dissipative member of steel is fully deformed and consumed energy, and because deformation is concentrated in the I-shaped dissipative member of mild steel, is effectively controlled Made the deformation of orthogonal laminated wood shear wall, considerably reduce only needed to after the damage of shear wall, shake change mild steel it is I-shaped Dissipative member can be such that structure puts into again normally to use.
(3)Simple structure of the present invention, it is easy to construction and speed of application is fast, short time limit, the development for meeting building industrialization becomes Gesture, the I-shaped dissipative member of mild steel makes simple, cheap, and with very high superiority of effectiveness, should in actual engineering There is huge prospect in.
Brief description of the drawings
Fig. 1 is shown as the structural representation with the orthogonal laminated wood shear wall of replaceable foot of the present invention;
Fig. 2 is shown as replaceable foot part component organigram at Fig. 1 A;
Fig. 3 is shown as box pad and has 21 schematic diagrames;Wherein:(a) it is front view,(B)For 1-1 sectional views,(C)For 2-2 sectional views;
Fig. 4 is shown as the I-shaped schematic diagram of dissipative member 22;Wherein:(a) it is front view,(B)For 1-1 sectional views,(C)For 2-2 Sectional view;
Fig. 5 is shown as billet placement location schematic diagram;Wherein:(a) it is front view,(B)For 1-1 sectional views,(C)Cutd open for 2-2 View;
Fig. 6 is shown as billet schematic diagram;Wherein:(a) it is the second billet,(B)For the first billet;
Fig. 7 is shown as Bolted angle connection schematic diagram with ribbing at Fig. 1 B;Wherein:(a) it is front view,(B)For 1-1 sectional views,(C)For 2-2 sectional views;
Label in figure:11 be orthogonal laminated wood shear wall, and 21 be box pad tool, and 22 be I-shaped dissipative member, and 23 plant for first Muscle, 24 be the second bar planting, and 25,26 be respectively first, second billet, and 31 be angle steel with ribbing.
Embodiment
Technical scheme is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:As shown in figure 1, the orthogonal laminated wood shear wall with replaceable dissipative member of the present invention, including just Hand over connector 31 in the middle part of laminated wood shear wall 11, replaceable foot part component and its connector and shear wall;The orthogonal laminated wood Shear wall 11, every wall excavates foundation Part portions, to install replaceable foot part component and its connector.
Embodiment 2:As shown in Figures 2 to 6, first bar planting 23, the second bar planting 24 use high-strength bolt or high-grade Screw-thread steel makes, it is ensured that with enough tension and shearing strength, the first bar planting 23 is imbedded at orthogonal laminated wood in advance in factory In shear wall, end extension elongation installs box pad tool 21 enough;Bar planting 24 is imbedded in wood floor or basis, and end is stretched out Length installs the first billet 25, the second billet 26 and I-shaped dissipative member 22 enough.The box pad tool 21 is using general Logical carbon structural steels are made with welding manner, and the I-shaped dissipative member 22 of mild steel is made in a welding manner with Low Yield Point Steel Make.First billet 25, the second billet 26 make of carbon structural steel, and the bolt uses high-strength bolt.First Box pad tool 21 is installed, and tightens the nut of the first bar planting 23, then the second billet 26 is put into installation site, afterwards by I-shaped Shape dissipative member 22 is put into installation site from side, then billet 25 is placed into installation site and the spiral shell of the second bar planting 24 is tightened Box pad tool 21, is finally connected with by cap with the I-shaped top flange of dissipative member 22, and fixing clearance between the two can use Stalloy is filled up.After central shake or big shake occur, the I-shaped yield deformation of dissipative member 22 turns on the nut of the second bar planting 24 simultaneously Pull down box pad tool 21 and I-shaped dissipative member 22 between bolt, by I-shaped dissipative member 22 from side take out and more Change, structure is returned to the state that can normally use immediately.
Embodiment 3:As shown in fig. 7, the angle steel with ribbing 31 can be made using common angle steel, in a welding manner at angle Ribbed stiffener is welded on steel;Angle steel 31 with ribbing opens multiple standard circular holes with the one side that orthogonal laminated wood shear wall 11 is connected, and passes through circle Hole is followed closely or tapping screw firmly connects angle steel 31 with ribbing with orthogonal laminated wood shear wall 11;The another side of angle steel 31 with ribbing opens many Individual slotted hole, is connected by these slotted hole high-strength bolts with floor, and applies pretightning force, the number and pretension of high-strength bolt Power need to make the horizontal friction force of offer have suitable value, when horizontal force is little suffered by structure, the pretightning force by design The frictional force of offer is enough to resist horizontal force, is not slided between bolt and angle steel with ribbing;When big shake occurs, horizontal force surpasses Pretension frictional force is crossed, is slided between bolt and angle steel with ribbing.After the earthquake, the connection is not destroyed, without changing.

Claims (7)

1. a kind of orthogonal laminated wood shear wall of the replaceable foundation of band, including orthogonal laminated wood shear wall(11), replaceable foot Component and angle steel with ribbing(31), it is characterised in that:The replaceable foot part component is had by box pad(21), I-shaped dissipative member (22), the first bar planting(23), the second bar planting(24), the first billet(25)With the second billet(26)Composition, the orthogonal glue Close wooden shear wall(11)Both sides foundation is excavated, to install replaceable foot part component;
The orthogonal laminated wood shear wall(11)Pass through nail or tapping screw and angle steel with ribbing(31)Connect floor or basis, institute State angle steel with ribbing(31)Perforate for level to slotted hole, central shake or big shake effect when, orthogonal laminated wood shear wall(11)With There can be relative horizontal displacement between floor or basis;The I-shaped dissipative member of mild steel(22)Positioned at orthogonal laminated wood shear wall (11)Between basis or floor, the I-shaped dissipative member of mild steel(22)Top flange pass through bolt and box pad and have(21)Bottom Firmly connection, box pad tool(21)Top passes through the first bar planting(23)With orthogonal laminated wood shear wall(11)Connection, mild steel I-shaped Shape dissipative member(22)Lower flange, the first billet(25)With the second billet(26)Pass through the second bar planting respectively(24)With base Plinth or floor connection;Under the horizontal force such as small shake or common wind load, structure integrally has enough rigidity;It is central shake or When big shake occurs, orthogonal laminated wood shear wall(11)Occurred level movement and rotation, the I-shaped power consumption of mild steel in wallboard plane Component(22)Power consumption is surrendered in the case where drawing is cut or compression shear is acted on;Angle steel with ribbing(31)In slotted hole cause orthogonal laminated wood shear wall (11)Horizontal movement will not destroy join domain, orthogonal laminated wood shear wall after shake(11)Basic not damaged, box pad tool (21)And first bar planting(23), the second bar planting(24), the first billet(25), the second billet(26)Do not destroy, The I-shaped dissipative member of mild steel can be easily changed after shake(22);Stability Analysis of Structures under small shake is reached, the lower shear wall of big shake shakes Put but do not destroy, only need to provide for simple replacement of the i.e. recoverable preferable anti-seismic performance of dissipative member after shake.
2. the orthogonal laminated wood shear wall of the replaceable foundation of a kind of band according to claim 1, it is characterised in that described soft The I-shaped dissipative member of steel(22)It is made up of Low Yield Point Steel, under middle shake or big shake effect, the I-shaped dissipative member of the mild steel (11)Prior to the surrender of other components, and dissipation energy while plastic deformation;The I-shaped dissipative member(22)In web Oblique circular hole is provided with, a certain degree of stress concentration is produced for weakening its web plate section, and on web, makes web be easier to bend Clothes;The I-shaped dissipative member(22)Top flange be provided with four bolts hole, for box pad have(21)Connection;The work Font dissipative member(22)Lower flange and the web certain altitude that is connected with lower flange in the range of be provided with two breach, be easy to more I-shaped dissipative member when changing(22)From side take out, without influence floor or on the basis of the second bar planting;It is described I-shaped Dissipative member(22)Second billet is set under lower flange(26), lower flange upper surface and the second bar planting(24)Nut between set There is the first billet(25), to strengthen the fastness of connection.
3. a kind of orthogonal laminated wood shear wall of the replaceable foundation of band according to claim 1, it is characterised in that the tool The box pad for having enough rigidity has(21)It is made up of carbon structural steel, it is unyielding when middle shake or big shake occur;The case Type pad has(21)Top passes through orthogonal laminated wood shear wall(11)In the first bar planting(23)And nut is sheared with orthogonal laminated wood Wall(11)Firmly connection;The box pad tool(21)Bottom passes through bolt and I-shaped dissipative member(22)Firmly connection.
4. the orthogonal laminated wood shear wall of the replaceable foundation of a kind of band according to claim 1, it is characterised in that described One billet(25)It is made up of carbon structural steel, two bolts hole is opened thereon, are easy to the second bar planting(24)Pass through, tighten spiral shell After cap, first billet(25)With the I-shaped dissipative member of mild steel(22)The upper surface of lower flange is in close contact, for adding The reliability connected at this by force.
5. the orthogonal laminated wood shear wall of the replaceable foundation of a kind of band according to claim 1, it is characterised in that described Two billets(26)It is made up of carbon structural steel, 4 bolts hole is provided with thereon, are easy to the second bar planting(24)Pass through, install After the completion of its be located at I-shaped dissipative member(22)Between floor or basis, floor or basis is protected not to be damaged by pressure locally.
6. the orthogonal laminated wood shear wall of the replaceable foundation of a kind of band according to claim 1, it is characterised in that described One bar planting(23)With the second bar planting(24)Using high-strength bolt or using high-grade screw-thread steel, the first bar planting(23)With orthogonal glue Close wooden shear wall(11)Between, the second bar planting(24)It is Nian Jie by epoxy or polyurethane adhesive between wood floor, it is ensured that tool There are enough tensions and shearing strength.
7. a kind of orthogonal laminated wood shear wall of the replaceable foundation of band according to claim 1, it is characterised in that the band Angle of rib steel(31)Using common angle steel, ribbed stiffener is welded on angle steel in a welding manner;Angle steel with ribbing is cut with orthogonal laminated wood Power wall(11)The one side of connection opens multiple standard circular holes, by circular hole nail or tapping screw by angle steel with ribbing(31)With orthogonal glue Close wooden shear wall(11)Firmly connection;Angle steel another side with ribbing opens multiple slotted holes, by these slotted hole high-strength bolts with Floor is connected, and applies pretightning force, and number and the pretightning force of high-strength bolt need to have the horizontal friction force of offer by design Suitable value, when horizontal force is little suffered by structure, the frictional force that the pretightning force is provided is enough to resist horizontal force, bolt and band Do not slided between angle of rib steel;When big shake occurs, horizontal force exceedes pretension frictional force, occurs between bolt and angle steel with ribbing Slide.
CN201710260370.2A 2017-04-20 2017-04-20 A kind of orthogonal laminated wood shear wall of the replaceable foundation of band Pending CN107190879A (en)

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CN108374505A (en) * 2018-02-09 2018-08-07 上海市建筑科学研究院 A kind of orthogonal laminated wood Coupled Shear Wall of the prestressing force waving Self-resetting
CN108708479A (en) * 2018-04-18 2018-10-26 同济大学 Orthogonal laminated wood shear wall-concrete core cylinder mixing Lateral Resistant System
CN111364641A (en) * 2020-03-17 2020-07-03 南京林业大学 Bamboo plywood shear wall

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Publication number Priority date Publication date Assignee Title
CN108374505A (en) * 2018-02-09 2018-08-07 上海市建筑科学研究院 A kind of orthogonal laminated wood Coupled Shear Wall of the prestressing force waving Self-resetting
CN108708479A (en) * 2018-04-18 2018-10-26 同济大学 Orthogonal laminated wood shear wall-concrete core cylinder mixing Lateral Resistant System
CN108708479B (en) * 2018-04-18 2019-08-06 同济大学 Orthogonal laminated wood shear wall-concrete core cylinder mixing Lateral Resistant System
CN111364641A (en) * 2020-03-17 2020-07-03 南京林业大学 Bamboo plywood shear wall
CN111364641B (en) * 2020-03-17 2021-03-23 南京林业大学 Bamboo plywood shear wall

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Application publication date: 20170922