CN106884486A - The many disaster prevention frameworks of skyscraper - Google Patents
The many disaster prevention frameworks of skyscraper Download PDFInfo
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- CN106884486A CN106884486A CN201710166976.XA CN201710166976A CN106884486A CN 106884486 A CN106884486 A CN 106884486A CN 201710166976 A CN201710166976 A CN 201710166976A CN 106884486 A CN106884486 A CN 106884486A
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- steel
- disaster prevention
- profile steel
- concrete column
- core concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, 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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, 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
- E04H9/024—Structures with steel columns and beams
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, 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
- E04H9/025—Structures with concrete columns
Abstract
The invention discloses a kind of many disaster prevention frameworks of skyscraper, including：Steel core concrete column；H profile steel beam is strengthened in end, wherein, end is strengthened H profile steel beam and is vertically arranged with steel core concrete column；Shear transfer plate, Shear transfer plate is connected with steel core concrete column, and it is parallel that Shear transfer plate strengthens H profile steel web with end；Siffener angle energy consumer, the siffener angle energy consumer is strengthened H profile steel beam and is connected with the steel core concrete column and the end respectively；Many disaster prevention tension ribs, many disaster prevention tension rib soap-free emulsion polymeizations are through the steel core concrete column and are anchored at high-rise outer frame corner part.Thereby, it is possible to realize that high building structure function can be recovered, reduces earthquake loss, accelerate post earthquake recovery speed, while have good anti-continuous collapse performance, so as to greatly improve the economy and security of structure.
Description
Technical field
The present invention relates to civil structure field of engineering technology, more particularly to a kind of many disaster prevention frameworks of skyscraper.
Background technology
The highly developed economy of modern society and the demand of sustainable development, new challenge is proposed to earthquake engineering circle：
How on the basis of seismic safety is ensured, realize after the shake of job facilities, city or even entire society that function can quick-recovery soon.
Function can quick-recovery refer to soon, by comprehensive disaster-proof measures, job facilities, life line system, city to be reduced as far as possible after shake
The casualty loss and influence after macroseism is met with such as city, society, it is ensured that its function is not interrupted or recovered as early as possible.With earthquake experience
Continuous summary and seismic design of structures constantly improve, skyscraper generally has safety storage higher under geological process
It is standby, the anti-fall performance of collapsing of the lower skyscraper of big shake can be ensured.But the key such as bean column node under seismic loading is not avoided that
The damage at position, cannot guarantee that particularity in its residual deformation of ground post earthquake recovery, and due to bean column node position and
Destruction seriousness makes it be difficult to reinforcement and repair, and last total can only be pushed over reconstruction so as to cause huge waste.
According to American Society of Civil Engineers (American Society of Civil Engineering, ASCE)
《ASCE7-05 houses and other building minimal design load codes》Definition, structural continuity collapses and refers to：Accidental load is made
Local and initial destruction under expands to other units, causes and initially destroys out-of-proportion structure division or total Collapse.
The probability that incident (such as gas explosion, bombing raid, Vehicular impact, fire) occurs is smaller, but the consequence of its initiation
It is very serious.Engineering circles are made to recognize building structure from nineteen sixty-eight Britain Ronan Point apartment gas explosions accident
Since continuous collapse problem, correlative study worldwide gradually spreads out.The continuous collapse of building structure is used as structure safety
One it is big threaten, while the economic loss and casualties that cannot be estimated can be caused, it is therefore necessary to take certain prevention to arrange
Apply.Bean column node should pay close attention as the key position in the design of anti-continuous collapse.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, it is an object of the invention to propose a kind of many disaster prevention frameworks of skyscraper, skyscraper can be realized
Structure function can be recovered, reduce earthquake loss, accelerates post earthquake recovery speed, while there is good anti-continuous collapse performance, from
And greatly improve the economy and security of structure.
To achieve these goals, many disaster prevention frameworks of skyscraper that the embodiment of the present invention is proposed, including：Steel pipe is mixed
Solidifying earth pillar；H profile steel beam is strengthened in end, wherein, the end is strengthened H profile steel beam and is vertically arranged with the steel core concrete column；Cut
Power transmission plate, the Shear transfer plate is connected with the steel core concrete column, and the Shear transfer plate strengthens H types with the end
Steel beam web plate is parallel；Many disaster prevention tension ribs, many disaster prevention tension rib soap-free emulsion polymeizations pass through the steel core concrete column
And it is anchored at high-rise outer frame corner part；Siffener angle energy consumer, the siffener angle energy consumer respectively with the concrete filled steel tube
Post is strengthened H profile steel beam and is connected with the end.
In sum, many disaster prevention frameworks of the skyscraper of the embodiment of the present invention, can realize high building structure work(
Can recover, reduce earthquake loss, accelerate post earthquake recovery speed, while there is good anti-continuous collapse performance, so that significantly
Improve the economy and security of structure.
In addition, many disaster prevention frameworks of the skyscraper of the embodiment of the present invention, also with following additional technical characteristic：
In one embodiment of the invention, the siffener angle energy consumer includes：Power consumption angle steel, the power consumption angle steel point
Do not strengthen H profile steel beam with the steel core concrete column and the end to be connected；Power consumption ribbed stiffener, the power consumption ribbed stiffener with it is described
Power consumption angle steel is connected.
In one embodiment of the invention, the power consumption ribbed stiffener is multiple, power consumption ribbed stiffener and the power consumption
Angle steel is connected by bolt.
In one embodiment of the invention, when the siffener angle energy consumer is for multiple, the siffener angle power consumption
Device is connected with the steel core concrete column by the first bolt, wherein, first bolt passes through the steel core concrete column, institute
It is multiple to state the first bolt；The siffener angle energy consumer is strengthened H profile steel beam and is connected by the second bolt with the end, described
Second bolt is multiple.
In one embodiment of the invention, the steel core concrete column includes：Outside steel pipe, the outside steel pipe is located at
The external boundary of the steel core concrete column；Internal partition, the internal partition first surface strengthens H profile steel the first table of beam with the end
Face is coplanar, and the second surface that H profile steel beam is strengthened in the internal partition second surface and the end is coplanar, the internal partition side with
The outside steel pipe inner surface is connected with Type of Welding；Tension rib steel sleeve, the tension rib steel sleeve axis is disaster-ridden with described
Evil defence tension rib axis is overlapped, and the tension rib steel bushing end surfaces are connected with the outside steel pipe inner surface with Type of Welding,
The tension rib steel bushing bore is more than many disaster prevention tension rib nominal diameters.
In one embodiment of the invention, H profile steel beam is strengthened in the end includes：H profile steel beam, the H profile steel beam with
The steel core concrete column is vertically arranged；Edge of a wing reinforcing plate, the edge of a wing reinforcing plate be arranged in parallel with the H profile steel flange of beam,
The edge of a wing reinforcing plate is connected with edge of a wing outer surface end with Type of Welding；Web reinforcing plate, the web reinforcing plate and the H
Shaped steel web is be arranged in parallel, and the web reinforcing plate is connected with the H rows steel beam web plate side end with Type of Welding, described
Web reinforcing plate is arranged symmetrically in the H profile steel web both sides；End stiffener rib, the end stiffener rib respectively with the H
The edge of a wing inner surface of section steel beam is connected with web side with Type of Welding；Middle part ribbed stiffener, the middle part ribbed stiffener and the H types
The edge of a wing inner surface of girder steel is connected with web side with Type of Welding, wherein, many disaster prevention tension ribs are through in described
Portion's ribbed stiffener.
In one embodiment of the invention, the Shear transfer plate strengthens H profile steel beam and passes through the 3rd spiral shell with the end
Bolt is connected.
In one embodiment of the invention, H profile steel web is strengthened with the web during H profile steel beam is strengthened in the end
Duct is opened up in plate, H profile steel web and duct axle described in the web reinforcing plate described in H profile steel beam are strengthened in the end
Line overlaps, nominal diameter of the channel diameter more than the 3rd bolt.
In one embodiment of the invention, slideway is opened up in the Shear transfer plate, the slideway is parallel to the end
Portion strengthens the edge of a wing of H girder steels, and the slideway ensures that the 3rd bolt can be slided smoothly.
In one embodiment of the invention, if many disaster prevention tension ribs are multiple, many disaster preventions
Tension rib is vertical with the steel core concrete column, and many disaster prevention tension ribs strengthen the edge of a wing of H profile steel beam with the end
It is parallel.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of many disaster prevention frameworks of skyscraper according to an embodiment of the invention；
Fig. 2 is that H profile steel girder construction schematic diagram is strengthened in end according to an embodiment of the invention；；
Fig. 3 is the schematic shapes of middle part ribbed stiffener according to an embodiment of the invention；
Fig. 4 is Shear transfer plate schematic diagram according to an embodiment of the invention；
Fig. 5 is power consumption ribbed stiffener three-view diagram according to an embodiment of the invention；
Fig. 6 is the Section A-A figure of many disaster prevention frameworks of skyscraper according to an embodiment of the invention；And
Fig. 7 is the section B-B figure of many disaster prevention frameworks of skyscraper according to an embodiment of the invention.
Reference：Steel core concrete column 1, outside steel pipe 11, internal partition 12, bolt steel sleeve 13, tension rib steel sleeve
14th, irrigate integrated high-strength concrete 15, end and strengthen H profile steel beam 2, H profile steel beam 21, edge of a wing reinforcing plate 22, web reinforcing plate
23rd, end stiffener rib 24, middle part ribbed stiffener 25, siffener angle energy consumer 3, Shear transfer plate 4, many disaster prevention tension ribs 5, end
Portion strengthen H profile steel beam first surface 61, end strengthen H profile steel beam second surface 62, bolt 1, bolt 2 72, bolt 3 73,
Internal partition first surface 121, internal partition second surface 122.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings many disaster prevention frameworks of skyscraper of the embodiment of the present invention are described.
In correlation technique, the Aseismic Design of structure and the design of anti-continuous collapse are separate, under structural earthquake load action
Function restorability can be merged with the anti-continuous collapse performance under accidental load effect, in structure design be both one and choose
War is also a kind of innovation.
The many disaster prevention frameworks of skyscraper of the embodiment of the present invention, the function under structural earthquake load action can be recovered
Anti- continuous collapse performance under performance is acted on accidental load is merged, and function can be recovered simultaneously after realizing shake in skyscraper
With anti-continuous collapse performance.
The many disaster prevention frameworks of skyscraper of the invention are illustrated with reference to specific embodiment.
Fig. 1 is the structural representation of many disaster prevention frameworks of skyscraper according to an embodiment of the invention.Such as Fig. 1 institutes
Show, many disaster prevention frameworks of the skyscraper include：Steel core concrete column 1, end strengthens H profile steel beam 2, siffener angle energy consumer
3rd, Shear transfer plate 4 and many disaster prevention tension ribs 5.
Wherein, end reinforcement H profile steel beam 2 is vertically arranged with steel core concrete column 1.
Shear transfer plate 4 is connected with steel core concrete column 1, and it is parallel that Shear transfer plate 1 strengthens H profile steel 2 webs of beam with end.
In the present embodiment, the Partial Shear that end is strengthened in H profile steel beam 2 is delivered to steel pipe and mixes by Shear transfer plate 4
In solidifying earth pillar 1, another part shearing is strengthened the vertical frictional force institute group between H profile steel beam 2 by steel core concrete column 1 and end
Into.
Specifically, in one embodiment of the invention, with continued reference to Fig. 1, steel core concrete column 1 includes outside steel pipe
11st, internal partition 12, bolt steel sleeve 13, tension rib steel sleeve 14 and the integrated high-strength concrete 15 of perfusion.
Wherein, the cross section of outside steel pipe 11 is rectangle, can be using the steel pipes with straight of cold forming or helically-welded tube and heat
Tube rolling, can also use cold roll forming steel or hot rolled steel plate, the rectangular tube of shaped steel welding fabrication.
Internal partition 12 is steel part, and internal partition 12 is multiple.H profile steel beam the is strengthened in internal partition first surface 121 and end
One surface 61 is coplanar, and internal partition second surface 122 is coplanar with end reinforcement H profile steel beam second surface 62, i.e. the thickness of internal partition
Equal to the edge of a wing thickness of H profile steel beam 21 and the thickness sum of edge of a wing reinforcing plate 22, but, the present invention includes but is not limited to this, as long as energy
It is enough to ensure that steel core concrete column 1 is without notable residual deformation in the presence of H profile steel beam 2 is strengthened in end.Internal partition with it is interior every
4 vertical sides of plate first surface 121 are connected with the inner surface of outside steel pipe 11 with Type of Welding.
Bolt steel sleeve 13 is multiple, and the axis of bolt steel sleeve 13 overlaps with the axis of the first bolt 71, bolt steel sleeve 13
Two inner surfaces being parallel to each other with outside steel pipe 11 respectively of two end faces be connected with Type of Welding, the internal diameter of bolt steel sleeve 13
Than the big 2mm of nominal diameter of the first bolt 71 such that it is able to ensure that the first bolt 71 passes through steel core concrete column 1.
Tension rib steel sleeve 14 is multiple, and the axis of tension rib steel sleeve 14 overlaps with many axis of disaster prevention tension rib 5, is drawn
Two inner surfaces that two end faces of knot concrete steel sleeve pipe 14 are parallel to each other with outside steel pipe 11 respectively are connected with Type of Welding, drawknot
Nominal diameter big 2mm of the internal diameter of concrete steel sleeve pipe 14 than many disaster prevention tension ribs 5 such that it is able to ensure many disaster prevention tension ribs
5 pass through steel core concrete column 1.
The integrated high-strength concrete 15 of perfusion is wrapped in inside outside steel pipe 15, irrigates the strong of integrated high-strength concrete 15
Degree grade is not less than C50.
In one embodiment of the invention, as shown in Fig. 2 it is multiple that H profile steel beam 2 is strengthened in end, it is preferred that can be two
Individual, H profile steel beam 2 is strengthened in end includes H profile steel beam 21, edge of a wing reinforcing plate 22, web reinforcing plate 23, end stiffener rib 24 and middle part
Ribbed stiffener 25.
Wherein, H profile steel beam 21 is hot rolled H-shaped, and H profile steel beam 21 is vertically arranged with steel core concrete column 1.
Edge of a wing reinforcing plate 22 is multiple, and edge of a wing reinforcing plate 22 be arranged in parallel with the edge of a wing of H profile steel beam 21, edge of a wing reinforcing plate 22
It is connected with Type of Welding with the edge of a wing outer surface end of H profile steel beam 21.Strengthening the end edge of a wing of H profile steel beam 2 due to end needs to open
If multiple circular holes, a certain degree of strength reduction is caused, therefore edge of a wing reinforcing plate 22 is set and ensures that the end of H profile steel beam 2 is strengthened in end
The intensity on the edge of a wing.
Web reinforcing plate 23 is multiple, and web reinforcing plate 23 be arranged in parallel with the web of H profile steel beam 21, web reinforcing plate 23 and
The web side end of H profile steel beam 21 is connected with Type of Welding, and web reinforcing plate 23 is arranged symmetrically in the web both sides of H profile steel beam 21.
Strengthen the end web of H profile steel beam 2 due to end and open up circular hole, a certain degree of strength reduction is caused, while needing to meet duct
Wall sets web reinforcing plate 23 and ensures that the strong of the end web of H profile steel beam 2 is strengthened in end to the bearing requirements of the 3rd bolt 73
Degree, in the present embodiment, Shear transfer plate is strengthened H profile steel beam 2 and is connected by the 3rd bolt 73 with 4 ends.
Duct is opened up in H profile steel web and web reinforcing plate 23 in end reinforcement H profile steel beam 2, H profile steel is strengthened in end
H profile steel web described in beam 2 overlaps with duct axis in web reinforcing plate 23, nominal of the channel diameter more than the 3rd bolt 73
Diameter.And opening up slideway in Shear transfer plate 4, slideway strengthens the edge of a wing of H girder steels 21 parallel to end, and slideway ensures described the
Three bolts 73 can be slided smoothly.
End stiffener rib 24 is multiple, the edge of a wing inner surface respectively with H profile steel beam 21 of end stiffener rib 23 and web side
It is connected with Type of Welding.The guarantee web plate without flexing that is disposed to of end stiffener rib 24 is destroyed.
Middle part ribbed stiffener 25 is multiple, and the edge of a wing inner surface of middle part ribbed stiffener 25 and H profile steel beam 21 and web side are welding
Connect form to be connected, many disaster prevention tension ribs 5 pass through middle part ribbed stiffener 25.The setting of middle part ribbed stiffener 25 is favorably improved beam
Resistance to overturning.In order to make it easy to understand, Fig. 3 is the schematic shapes of middle part ribbed stiffener 25 according to an embodiment of the invention,
But, the present invention includes but is not limited to this, as long as it is overall steady under outer load action to ensure that H profile steel beam 2 is strengthened in end
Qualitative, middle part ribbed stiffener 25 can be designed according to the actual requirements.
In one embodiment of the invention, Shear transfer plate 4 is multiple, and Shear transfer plate 4 strengthens H profile steel beam with end
2 are connected by the 3rd bolt 73.Slideway is opened up in Shear transfer plate 4, slideway strengthens the edge of a wing of H girder steels 2 parallel to end, sliding
Road ensures that bolt 3 73 can be slided smoothly.The two semicircles centres that are shaped as of slideway press from both sides a rectangles, as shown in Figure 4.Semicircle
Diameter 2mm bigger than the nominal diameter of bolt 3 73, rectangle it is wide identical with half diameter of a circle, the L long of rectangle meets public
Formula (1)：
0.5hθ≤L≤hθ (1)
In above formula, h is the height of H profile steel beam 21, is steel core concrete column 1 and end reinforcement H types in the bean column node
The hard-over that girder steel 2 can bear.
In actual applications, end strengthen H profile steel beam 2 and steel core concrete column 1 can according to the difference of concrete application demand,
Connect in different ways, as a kind of possible implementation, with continued reference to Fig. 1, can be by 3 points of siffener angle energy consumer
Do not strengthen H profile steel beam 2 with steel core concrete column 1 and end to be connected, realize that H profile steel beam 2 is strengthened with steel core concrete column 1 in end
Connection.
In the present embodiment, siffener angle energy consumer 3 can be multiple, and siffener angle energy consumer 3 includes power consumption angle steel 31
With power consumption ribbed stiffener 32, in order to make it easy to understand, shown in reference picture 5 power consumption ribbed stiffener 32 three-view diagram, wherein, consume energy angle steel 31
Strengthen H profile steel beam 2 with steel core concrete column 1 and end respectively to be connected, power consumption ribbed stiffener 32 is connected with power consumption angle steel 31, and power consumption adds
Strength rib 32 is clod wash steel part, should not use Type of Welding, it is ensured that the fatigue strength under reciprocating load.
Wherein, in practical application, power consumption ribbed stiffener 32 can be multiple, power consumption ribbed stiffener 32 passes through spiral shell with power consumption angle steel 31
Bolt is connected.When siffener angle energy consumer 3 is for multiple, siffener angle energy consumer 3 passes through the first bolt 71 with steel core concrete column 1
It is connected, wherein, the first bolt 71 passes through steel core concrete column 1, and the first bolt 71 is multiple.And siffener angle energy consumer 3 and end
Portion is strengthened H profile steel beam 2 and is connected by the second bolt 72, and the second bolt 72 is multiple.
In practical implementation, siffener angle energy consumer 3 is as the first line of defence of many disaster preventions in geological process
Under initially enter yielding stage, and earthquake energy.In order to ensure that siffener angle energy consumer 3 has stronger consumption seismic energy
The ability of amount, its anti-bending bearing capacity needs to meet certain requirement：M3≥0.5M21.In formula, M3For siffener angle energy consumer 3 is bent
Anti-bending bearing capacity is taken, M21 is the surrender anti-bending bearing capacity that the H profile steel beam 21 in H profile steel beam 2 is strengthened in end.
It is emphasized that power consumption ribbed stiffener 32 shown in above-mentioned Fig. 5 is shaped as one embodiment of the present of invention, but
It is that the present invention includes but is not limited to this, as long as siffener angle energy consumer 3 meets above-mentioned requirements.
Further, in order to further improve steel core concrete column 1 and end strengthen H profile steel beam 2 between vertical force component,
With continued reference to Fig. 1, many disaster prevention framework kinds of the skyscraper also include many disaster prevention tension ribs 5, wherein, many disaster preventions
The soap-free emulsion polymeization of tension rib 5 is through steel core concrete column 1 and is anchored at high-rise outer frame corner part.
In specific implementation process, according to the difference of concrete application scene, many disaster prevention tension ribs 5 can be multiple,
It can also be one, if many disaster prevention tension ribs 5 are multiple, many disaster prevention tension ribs 5 and the steel core concrete column 1
Vertically, many disaster prevention tension ribs 5 are parallel with the edge of a wing that H profile steel beam 2 is strengthened in end, and soap-free emulsion polymeization passes through steel core concrete column 1 simultaneously
It is anchored at high-rise outer frame corner part.
Many disaster prevention tension ribs 5 as many disaster preventions second defence line, when geological process is excessive or faces office
During the risk that portion's structure or overall structure are collapsed, siffener angle energy consumer 3 is destroyed because of Lack of support, and subsequent many disasters are prevented
Imperial tension rib 5 further prevents structural damage by catenary effect, reduces earthquake and structural collapse risk, improves the peace of structure
Quan Xing.The anti-bending bearing capacity of many disaster prevention tension ribs 5 needs to meet equation below (2) requirement：
M5≥M21-M3 (2)
In above formula, M5 is the beam-ends that siffener angle energy consumer 3 reaches that many disaster prevention tension ribs 5 are provided during yield moment M3
Anti-bending bearing capacity.
Many disaster prevention tension ribs 5 carry out tensioning using post stretching in advance so that many disaster prevention tension ribs 5 possess necessarily
Structural initial pre stress.The structural initial pre stress ensure that siffener angle energy consumer 3 reaches yield moment M3 rearward ends and strengthens H types
Girder steel 2 can return to original state, realize high building structure function restorability energy.
Thus, when the disasters such as earthquake occur, the Partial Shear that end is strengthened in H profile steel beam 2 is passed by Shear transfer plate 4
It is delivered in steel core concrete column 1, what another part shearing was strengthened between H profile steel beam 2 by steel core concrete column 1 and end vertical rubs
Wipe power and many vertical force components of disaster prevention tension rib 5 are constituted.The moment of flexure that end is strengthened in H profile steel beam 2 passes through siffener angle
Energy consumer 3 is delivered in steel core concrete column 1.The strength and stiffness energy of siffener angle energy consumer 3 and many disaster prevention tension ribs 5
Enough ensure the normal usage function of the bean column node system in skyscraper of the embodiment of the present invention.Siffener angle energy consumer
3 initially enter yielding stage, and then earthquake energy under geological process, and now, steel core concrete column 1 strengthens H with end
The grade of section steel beam 2 key member keeps elasticity, and damage is concentrated mainly on siffener angle energy consumer 3, so as to significantly reduce described
Skyscraper is damaged.
Many disaster prevention tension ribs 5 carry out tensioning using post stretching in advance so that many disaster prevention tension ribs 5 possess necessarily
Structural initial pre stress.The structural initial pre stress ensure that siffener angle energy consumer 3 into yielding stage and produce plastic deformation
Rearward end strengthens H profile steel beam 2 can return to original state.The siffener angle energy consumer 3 of residual deformation will be produced after shake to be carried out
Change, the state before making skyscraper recover earthquake realizes the integrally-built restorability of skyscraper, after avoiding shake
Structure can not be recovered and building entirety is pushed over into reconstruction, further reduce the loss of earthquake, accelerate post earthquake recovery speed.
Additionally, skyscraper meets with incident (such as gas explosion, bombing raid, Vehicular impact, fire) attack
When, the risk of part-structure or overall structure Progressive Collapse may be faced.Similar to geological process, as anti-continuous collapse
The first line of defence --- siffener angle energy consumer 3 initially enter yielding stage prevent the skyscraper part-structure or
Integrally-built Progressive Collapse；After siffener angle energy consumer 3 is destroyed because of Lack of support, as the of anti-continuous collapse
Two roads defence line --- many disaster prevention tension ribs 5 can play its catenary effect, further prevent the part of the skyscraper
Structure or integrally-built Progressive Collapse.The setting in many disaster prevention twice defence lines, reduces the high level very much in high level
The part-structure of building or integrally-built Progressive Collapse, so as to greatly reduce part-structure or integrally-built continuity
Collapse brought economic loss and casualties.
In order to more clearly illustrate many disaster prevention frameworks of skyscraper of the embodiment of the present invention, can refer to shown in Fig. 6
Fig. 1 in section B-B figure in Section A-A figure, and Fig. 1 shown in Fig. 7.Above-mentioned sectional view, reflects above-mentioned all parts
Particular location, is available for those skilled in the art to be better understood from the present invention.
In sum, many disaster prevention frameworks of the skyscraper of the embodiment of the present invention, can realize high building structure work(
Can recover, reduce earthquake loss, accelerate post earthquake recovery speed, while there is good anti-continuous collapse performance, so that significantly
Improve the economy and security of structure.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings
Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. many disaster prevention frameworks of a kind of skyscraper, it is characterised in that including：Steel core concrete column；
H profile steel beam is strengthened in end, wherein, the end is strengthened H profile steel beam and is vertically arranged with the steel core concrete column；
Shear transfer plate, the Shear transfer plate is connected with the steel core concrete column, the Shear transfer plate and the end
Strengthen H profile steel web parallel；
Siffener angle energy consumer, the siffener angle energy consumer strengthens H types with the steel core concrete column and the end respectively
Girder steel is connected；
Many disaster prevention tension ribs, many disaster prevention tension rib soap-free emulsion polymeizations are through the steel core concrete column and are anchored at height
Layer outer frame corner part.
2. many disaster prevention frameworks of skyscraper as claimed in claim 1, it is characterised in that the siffener angle energy consumer bag
Include：
Power consumption angle steel, the power consumption angle steel is strengthened H profile steel beam and is connected with the steel core concrete column and the end respectively；
Power consumption ribbed stiffener, the power consumption ribbed stiffener is connected with the power consumption angle steel.
3. many disaster prevention frameworks of skyscraper as claimed in claim 2, it is characterised in that
The power consumption ribbed stiffener is multiple, and the power consumption ribbed stiffener is connected with the power consumption angle steel by bolt.
4. many disaster prevention frameworks of skyscraper as claimed in claim 2, it is characterised in that
When the siffener angle energy consumer is for multiple, the siffener angle energy consumer passes through first with the steel core concrete column
Bolt is connected, wherein, first bolt passes through the steel core concrete column, and first bolt is multiple；
The siffener angle energy consumer is strengthened H profile steel beam and is connected by the second bolt with the end, and second bolt is many
It is individual.
5. many disaster prevention frameworks of skyscraper as claimed in claim 1, it is characterised in that the steel core concrete column bag
Include：
Outside steel pipe, the outside steel pipe is located at the external boundary of the steel core concrete column；
Internal partition, the internal partition first surface is coplanar with end reinforcement H profile steel beam first surface, the internal partition second
The second surface that H profile steel beam is strengthened in surface and the end is coplanar, the internal partition side and the outside steel pipe inner surface with
Type of Welding is connected；
Tension rib steel sleeve, the tension rib steel sleeve axis overlaps with many disaster prevention tension rib axis, the drawknot
Concrete steel box face is connected with the outside steel pipe inner surface with Type of Welding, and the tension rib steel bushing bore is more than described more
Disaster prevention tension rib nominal diameter.
6. many disaster prevention frameworks of skyscraper as claimed in claim 1, it is characterised in that strengthen H profile steel beam in the end
Including：
H profile steel beam, the H profile steel beam is vertically arranged with the steel core concrete column；
Edge of a wing reinforcing plate, the edge of a wing reinforcing plate be arranged in parallel with the H profile steel flange of beam, outside the edge of a wing reinforcing plate and the edge of a wing
Surface end is connected with Type of Welding；
Web reinforcing plate, the web reinforcing plate be arranged in parallel with the H profile steel web, the web reinforcing plate and the H
Row steel beam web plate side end is connected with Type of Welding, and the web reinforcing plate is arranged symmetrically in the H profile steel web both sides；
End stiffener rib, the end stiffener rib is respectively with the edge of a wing inner surface of the H profile steel beam and web side welding shape
Formula is connected；
Middle part ribbed stiffener, the middle part ribbed stiffener is with the edge of a wing inner surface of the H profile steel beam and web side with Type of Welding phase
Connect, wherein, many disaster prevention tension ribs pass through the middle part ribbed stiffener.
7. many disaster prevention frameworks of skyscraper as claimed in claim 6, it is characterised in that
The Shear transfer plate is strengthened H profile steel beam and is connected by the 3rd bolt with the end.
8. many disaster prevention frameworks of skyscraper as claimed in claim 7, it is characterised in that
Duct is opened up in H profile steel web and the web reinforcing plate in the end reinforcement H profile steel beam, H is strengthened in the end
H profile steel web described in section steel beam overlaps with duct axis described in the web reinforcing plate, and the channel diameter is more than institute
State the nominal diameter of the 3rd bolt.
9. many disaster prevention frameworks of skyscraper as claimed in claim 7, it is characterised in that
Slideway is opened up in the Shear transfer plate, the slideway strengthens the edge of a wing of H girder steels, the slideway parallel to the end
Ensure that the 3rd bolt can be slided smoothly.
10. many disaster prevention frameworks of skyscraper as claimed in claim 6, it is characterised in that
If many disaster prevention tension ribs are multiple, many disaster prevention tension ribs hang down with the steel core concrete column
Directly, many disaster prevention tension ribs are parallel with the edge of a wing that H profile steel beam is strengthened in the end.
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| CN201710166976.XA CN106884486B (en) | 2017-03-20 | 2017-03-20 | Multi-disaster defending structure for high-rise building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412085A (en) * | 2020-10-15 | 2021-02-26 | 安徽寰宇建筑设计院 | Prestress reinforcing method for repairing expansion drum of box type steel column wall plate |
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