CN110258888A - Assembled architecture large size roof system shock-resistant node, roof system and construction method - Google Patents
Assembled architecture large size roof system shock-resistant node, roof system and construction method Download PDFInfo
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- CN110258888A CN110258888A CN201910437879.9A CN201910437879A CN110258888A CN 110258888 A CN110258888 A CN 110258888A CN 201910437879 A CN201910437879 A CN 201910437879A CN 110258888 A CN110258888 A CN 110258888A
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- hole
- terminal pad
- steel
- roof system
- large size
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of assembled architecture large size roof system shock-resistant node, steel house convering system and its construction methods, the system includes column, beam and terminal pad, there is pin hole channel in the steel bushing of the end of beam, and have bolt hole on the edge of a wing of beam；At least three groups of mounting holes are circumferentially evenly arranged in terminal pad, each group of mounting hole has the strip hole of a circular hole and at least a pair of of arc, wherein circular hole and the pin hole channel are attached by steel pin；Strip hole and bolt hole are fastened by high-strength bolt, and after fastening, beam is arranged from terminal pad along tangential direction in an eccentric manner, and strong external force factor drives down, and beam has the trend of rotation relative to circular hole.It is semi-rigid, semiflexible connection between terminal pad and girder steel, itself is adjustable, and matches suitable central branches dagger as needed and carry out Auxiliary support, can satisfy the requirement of the steel structure system of large span, antidetonation.
Description
Technical field
The invention is related to assembled architecture technical field, especially a kind of assembled architecture large size roof system shock-resistant node, room
Convering system and its construction method, such as large-scale steel structure etc..
Background technique
Structural engineering is commonly used for the roof system of various large public buildings, is used for example in stadiums, Convention and Exhibition Hall, airport
Deng.In the prior art, structural engineering is metal plate type node structure.
Following example is several patterns of gusset-type joint structure:
A kind of aluminium alloy plate type node structure that web is reinforced, including node plate group are disclosed in 207597585 U of CN
Part, rod piece component, stiffener assembly and fastening assembly, node plate component include the top node disk and bottom node that parallel interval is opened
Disk, rod piece component include the multiple rod pieces being arranged around the central axis of node structure, wherein pass through top at the top of each rod piece
Portion's fastening assembly is fixedly connected on top node disk, and the bottom of each rod piece is fixedly connected on bottom section by bottom fastening assembly
Point disk, the middle part of adjacent rod piece are fixedly connected on a corner fittings by reinforcing fastening assembly.The present invention between rod piece by increasing
A Ji corner fittings meets the node of more large span and more complicated body in Alminum Project so that the transmitting of axial force is improved
The intensity requirement of structure.
A kind of aluminium alloy plate type node structure that web is reinforced, including node plate group are disclosed in 207727774 U of CN
Part, rod piece component, reinforcer and fastening assembly, node plate component include top node disk and bottom node disk, rod piece component packet
Multiple rod pieces of the central axis setting around node structure are included, reinforcer is integrally formed part, and fastening assembly includes that top is tight
Gu component, bottom fastening assembly and reinforcement fastening assembly；The top flange of each rod piece is fixedly connected on by top fastening assembly
The lower flange of top node disk, each rod piece is fixedly connected on bottom node disk by bottom fastening assembly.Aluminium of the invention closes
Rod piece connection is got up by reinforcer, so that the transmitting of axle power and shearing is improved, is met bigger by golden plate formula node structure
Requirement of the Alminum Project of span and more complicated body to ultimate bearing capacity of joints.
A kind of aluminium alloy column gusset-type joint structure for space structure is disclosed in 104912203 A of CN, including hollow
Hexagonal prisms, the first cover board, the second cover board, six connection workpiece, six connecting plates and multiple fasteners, vertical plate be mounted on upper plate and
Between lower plate, the first cover board is horizontally set on hollow hexagonal prisms top, and the second cover board is horizontally set on hollow hexagonal prisms lower end, empty
The center line of heart hexagonal prisms along its length is overlapped with the center line of the center line of the first cover board and the second cover board respectively, six companies
Fishplate bar is mounted on six sides of hollow hexagonal prisms by multiple fasteners respectively, and connection workpiece passes through multiple fasteners respectively
It is fixedly mounted on the first cover board and the second cover board.
Above three inventive technique what is common is that, reinforcing connection is carried out by connector between connecting plate, in turn
Play the purpose for strengthening node.
Above-mentioned technology realizes the high-intensitive rigid connection between node plate and connecting plate or connecting rod, still
Anti-seismic performance is general.Antidetonation disadvantage in the lower above technology of surface analysis.
When earthquake occurs, above-mentioned node location is easy to happen brittle fracture, this is because being calculated according to mechanics, strongly
Under geological process, the bolt between connecting plate and node plate is connected, and can preferentially be cracked at bolt penetration hole, and can spiral shell
The problem of bolt is sheared, and be also the rigid connection carried out using connector and bolt between connecting plate and connecting plate, do not have
The ability for generating enough reply deformations, so brittle fracture easily occurs for connector itself, so anti-seismic performance is general.,
The present invention, aiming to the above problems, provides a kind of roof system nodes that anti-seismic performance is excellent.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of assembled architecture large size roof system shock-resistant node, roof system
The problem of system and its construction method solve in existing node interconnection technique, and installation is inconvenient, and installation node can not finely tune, with
And the problem that existing node structure anti-seismic performance is bad.
The technical solution adopted by the present invention to solve the technical problems are as follows:
Assembled architecture large size roof system shock-resistant node, the terminal pad including beam and connection beam, the beam structure
Part one end is connect with steel column, and the other end is flexibly connected with terminal pad, which is characterized in that
The end of the beam is provided with steel bushing, runs through the pin of beam in the steel bushing from top to bottom with one
Hole path, and bolt hole is provided on the edge of a wing of the beam；
The terminal pad is made of upper and lower two mutually isostructural terminal pads, and is circumferentially set in the terminal pad
At least three groups of mounting holes are equipped with, each group of mounting hole has the feature that
One circular hole, the circular hole deviate connection disk center, and the circular hole and the pin hole channel are carried out hingedly by steel pin
Connection；
The strip hole of at least a pair of of arc, the strip hole are arc and correspond with the bolt hole on beam, institute
It states strip hole and bolt hole is fastened by high-strength bolt, after fastening, the beam is in an eccentric manner from terminal pad
It is arranged along tangential direction, strong external force factor drives down, and beam has the trend of rotation relative to circular hole.
The radian direction of the strip hole in every group of mounting hole is arranged centered on circular hole.
The central part of upper and lower terminal pad is attached by steel pipe.
Vertical plate is welded in the space being vertically connected between disk.
Assembled architecture large size roof system, including column, beam and terminal pad, wherein described beam one end with
Steel column connection, the other end are flexibly connected with terminal pad, and all beams intersect at terminal pad, which is characterized in that
The end of the beam is provided with steel bushing, runs through the pin of beam in the steel bushing from top to bottom with one
Hole path, and bolt hole is provided on the edge of a wing of the beam；
The terminal pad is made of upper and lower two mutually isostructural terminal pads, and is circumferentially set in the terminal pad
At least three groups of mounting holes are equipped with, each group of mounting hole has the feature that
One circular hole, the circular hole deviate connection disk center, and the circular hole and the pin hole channel are carried out hingedly by steel pin
Connection；
The strip hole of at least a pair of of arc, the strip hole are arc and correspond with the bolt hole on beam, institute
It states strip hole and bolt hole is fastened by high-strength bolt, after fastening, the beam is in an eccentric manner from terminal pad
It is arranged along tangential direction, strong external force factor drives down, and beam has the trend of rotation relative to circular hole.
The radian direction of the strip hole in every group of mounting hole is arranged centered on circular hole.
Central branches dagger is provided with immediately below the terminal pad, and the terminal pad takes and is placed on the central supporting capital
End.
Aseismatic bearing is set between the terminal pad and central branches dagger.
The construction method of assembled architecture large size roof system, which is characterized in that
The first step is processed by drawing and forms the beam and terminal pad, and integrally carries out preservative treatment；
Second step, on-site assembly are attached between beam and terminal pad using steel pin, while in steel beam flange and upper
It is tightly connected in advance between lower terminal pad using high-strength bolt
Third step, integral hoisting, and the other end of each girder steel is attached with the steel column for having been mounted to position, finally
All high-strength intensity connection components are fastened；
4th step after completing connection, carries out secondary preservative treatment to installation point.
In step 1, the structure feature in the terminal pad and beam is that technique machine-shaping is cut by laser
's.
The beneficial effects of the present invention are:
1, facilitate installation, in the present invention, matched between terminal pad and girder steel by the strip hole of steel pin and arc, bolt
Close, itself have certain controllability, especially during the installation process, by pre-tighten, the adjustable girder steel of fastening process and
Mount stress between terminal pad, so having more wide application space.
2, use scope is wide, is semi-rigid, semiflexible connection between terminal pad and girder steel, itself is adjustable, and according to need
It matches suitable central branches dagger and carries out Auxiliary support, can satisfy the requirement of the steel structure system of large span, antidetonation.
3, anti seismic efficiency is prominent, is semi-rigid, semiflexible connection between terminal pad and girder steel, under normal circumstances, relies on
The rigid connection of bolt assembly meets the requirement of static load load, after macroseism occurs, by opposite between terminal pad and girder steel
Displacement, to consume the unfavorable torque of earthquake bring, drawing force, plays the purpose of no collapsing with strong earthquake.If cooperating strong node component simultaneously
Requirement, realize installation node safety.
Detailed description of the invention
Fig. 1 is the perspective view of embodiment one.
Omit view in the part that Fig. 2 is Fig. 1.
Fig. 3 is the perspective view under the overlooking state of Fig. 1.
Fig. 4 is the perspective view of terminal pad component.
Fig. 5 is the top view of Fig. 4.
Fig. 6 is the corresponding cross-sectional view of Fig. 5.
Fig. 7 is the structure chart of girder steel end.
Fig. 8 is the structure chart of girder steel end.
Fig. 9 is the installation diagram of embodiment one.
Figure 10 is the top view of embodiment two.
Figure 11 is the installation diagram of example IV.
Figure 12 is the structure chart of terminal pad in example IV.
In figure:
000 girder steel, 001 bolt hole, 002 window, 003 steel bushing, 004 floor, 005 plasticity weak area,
Terminal pad on 100,110 circular holes, 120 strip holes
200 lower terminal pads,
300 steel pipes, 310 terminal pad central points, 320 vertical plates,
400 installation spaces,
500 long steel pins,
600 high-strength bolts.
Specific embodiment
Following part, inventor according to oneself design experiences, understand, to realizing route of the invention, application etc.
It is described in detail, which is exemplary in nature, and is described in detail as far as possible, all detailed without description
Place to the greatest extent, asks related implementation personnel, is realized in conjunction with the everyday common sense of oneself, basic fundamental deposit, specialized handbooks etc.,
This, impropriety during introducing is not easy to understand that place is please the more magnanimous.
The present invention is described in detail below by several embodiments.
Embodiment one
Referring to figs. 1 to Fig. 8, the series of figures, for the clear expression of certain factors, such as drawing, in attached drawing
An other details omitted, which is that and in place of the omission, will not influence profession based on the requirement clearly expressed
Reproduction of the technical staff for the present embodiment, should be allowed to.Even so, due to the difference of the understandability of technical staff
The opposite sex, it is also please the more magnanimous even if occurring being not easy to be understood place.
In Fig. 1, what is provided is the example of a node, in Fig. 2, for the detailed knot for going out the intra-node to example
Conjunction state in the figure, gives a kind of example by way of locally analysing, locally omitting, and in the example, lack part is existing
It is not present in reality, it is only for express a kind of gimmick of internal structure, only exemplary in nature, please award correctly
Understand.
In Fig. 3, what is provided is under a kind of overlooking state, it can be understood as the structure chart under Perspective Principles, the perspective shape
State can refer to CT principle in the prior art (cross-section Surface scan), that is, the structure of the intra-node and external structure are herein
It is all shown under diagram, there is no hiding difference, the technique of this perspective is convenient for the detailed understanding of technical staff
The layout and structure of intra-node, please give correct understanding.
The present embodiment, in the example shown, to represent all possible girder steel element with I-beam convenient for statement.In I-beam
Uplifting window mouth 002 forms light-weighted steel construction.
Upper terminal pad 100 and lower terminal pad 200, as shown in figs. 1 and 4, two terminal pad structures having the same.
Two terminal pads are steel component, for example, it is preferable to one of mode, using 20 millimeters of thick steel plate, using laser cutting parameter
Molding.It sees on the whole, terminal pad outer profile presentation is the petal-shaped of approximate hexagon, in fact, the shape of the terminal pad
It can be the hexagon of rule, or round, or other shapes, the hexapetalous flower petaloid knot provided in the present embodiment
Structure has more excellent installation space and more excellent mechanical property, and has enough aesthetics design theories.
It perforates in the central part of upper and lower terminal pad and passes through a steel pipe 300 and be attached, formed after welding, and
It is vertically connected in the space between disk six vertical plates 320 of welding, the effect of vertical plate setting is the upper and lower connecting plate of connection, and shape
At a firm entirety.
By forming an entirety after welding, there is installation space 400, the installation space is further by several vertical plates
320 are divided into several small spaces.
It is provided in each terminal pad and stays six groups of mounting holes being circumferentially arranged along terminal pad, wherein each group of installation
Hole has the feature that
Including a circular hole 110, which has a certain distance apart from terminal pad central area, should in the present embodiment
Circular hole 110 is approximately equal to the width of a steel beam flange apart from terminal pad central point 310, that is to say, that.In building for steel construction
In the process, above-mentioned girder steel relative to clutch disk is arranged with the direction of tangent line, with reference to Fig. 1 and Fig. 3, this tangential direction
It is arranged it is also understood that multiple girder steels are arranged with approximately uniform angle according to tangential direction.Meanwhile as described above, circle
The position in hole 110, optimal region fall in the region between two vertical plates 320, form enough rigidity.
Strip hole 120 including four pairs of arcs, the strip hole are arcs, specifically, having four pairs in every group of mounting hole
Strip hole, it is every a pair of strip hole 120 in two strip holes it is corresponding be 000 two sides of girder steel the edge of a wing on bolt hole
001, that is, one-to-one relationship.Meanwhile the radian of each strip hole 120, it can be understood as using circular hole as center of circle shape
At arc strip hole, that is to say, that the arc of each strip hole 120 (arranged direction) out of shape is inevitable centered on circular hole.This
The setting of sample, so that girder steel is after being installed in place, when driving for the external force factors such as macroseism, so that girder steel has one relative to circular hole
Fixed rotational angle, the rotational angle are usually more than ± 3 °, that is to say, that the effective interaction length of strip hole is usually more than
± 3 degree.
Manufacturing process is as follows, be firstly used in be cut by laser on thick steel plate, the form of laser cut hole, formed
Upper terminal pad 100 and lower terminal pad 200 with engraved structure, by components such as vertical plate, steel pipes, using spot welding or sequential welding
The mode connect will be vertically connected with disk and weld to form one.
Master drawing after welding refers to fig. 4 to fig. 6.
With reference to Fig. 7 and Fig. 8, the processing technology of girder steel 000 is as follows, is cut by laser to be formed similar in ladder in the end of girder steel
Then the structure feature of shape cuts several notches, and weld several floors 004 in the indentation, there on the web of girder steel 000,
The reinforcing of part is formed, while forming a steel bushing 003 by welding in the distalmost end of girder steel, and set in the region
The floor 004 for strengthening stress is set, optimal mode is that steel bushing is welded with web, the edge of a wing, floor simultaneously, is had enough
Weld strength.In this way using original pin hole channel in steel bushing, the installation passage of steel pin is formed.
The pin hole channel and the circular hole in terminal pad are one-to-one.
On each edge of a wing of 000 end of girder steel, four groups of bolts hole 001 are formed by laser opening, that is to say, that spiral shell
Keyhole is one-to-one with the quantity of above-mentioned strip hole, position.
Conventional to understand, the tool of girder steel 000 is there are two end, in the present embodiment, only to an end connecting with terminal pad
An installation point is formed, as the other end, technical staff can voluntarily implement.
Certainly, in most cases, girder steel has the connection of steel column can be using conventional connection means, not in Jie of the invention
Within continuing.
Common in above-mentioned 000 structure of girder steel, the position on girder steel by two close end is provided with plasticity weak area 005, should
Region is formed by partial cut, the characteristic with preferential plastic deformation.The presence of the plasticity weak area, so that girder steel exists
There is more excellent performance, the no longer detailed introduction in this place can specifically refer to related introduction, such as this hair in terms of antidetonation
Documents and materials in bright background technique.
The construction technology of above-mentioned node:
Firstly, above-mentioned girder steel 000 and terminal pad 100/200 are processed and are formed according to drawing in engineering, the girder steel
Both ends have above-mentioned construction, and the connection of steel column is common technology, and integrally carries out preservative treatment, such as in the table of steel member
Face anticorrosion with painting, fireproof coating.
On-site assembly is attached between girder steel and terminal pad component using dedicated long steel pin 500, while in the girder steel wing
Edge and being vertically connected between disk is tightly connected in advance using high-strength bolt 600, then integral hoisting, and to the other end of each girder steel
It is attached with the steel column for having been mounted to position, the connection of usual girder steel and steel column is bolted technology using mature entirely.To
After being tentatively installed in place, finally all high-strength intensity connection components are fastened, after completing connection, two are carried out to installation point
Secondary preservative treatment, usual anticorrosion with painting, fireproof coating.
In the present embodiment, terminal pad component can be connected between the central branches dagger of heavy construction by aseismatic bearing,
Common engineering aseismatic bearing, such as rubber support, pot bearing, can meet the requirements.In the present embodiment, with reference to Fig. 9.
In Fig. 9, two columns represent steel column, and usual steel column is located at the peripheral part of heavy construction, intermediate column
Represent central branches dagger, between this node and central branches dagger for be flexibly connected, the flexible connection be by terminal pad component,
Rubber support completes what transition connected with central branches dagger, and this structure can satisfy ultra-large type space, airport of span etc.
Public steel construction space, for general steel construction space, central branches dagger can also be not present, that is to say, that general
In steel building, central branches dagger is needed not necessarily exist.
It in Fig. 9, is rigid and is bolted between all girder steel and steel column, that is to say, that between the two using tradition
Connection type be attached.
Embodiment two
With reference to Figure 10, in the present embodiment, innovation is the setting of the plasticity weak area on girder steel, in the present embodiment
In, girder steel is divided into two groups, the dynamics of the plasticity weak area 005 in every group is different, and arranged for interval, that is to say, that the modeling having
Property weak area plasticity it is preferable, some plasticity is poor, when macroseism occur when, allow girder steel in plasticity weak area according to setting
Sequence deformation, improve the anti-seismic performance of building.
Embodiment three
As the supplementary explanation to embodiment one, in fact, in the present invention, the corresponding girder steel of each group of terminal pad component
Quantity can be six groups in embodiment one, or other numbers, such as 8 groups, 12 groups etc., in general, the number is greater than 3
, that is to say, that for completing the connection of three groups or more of girder steel.Certainly, circumferential direction of the multiple or multiple groups girder steel in terminal pad component
It is evenly arranged, and clockwise direction is arranged.
Example IV
For using backing, building with the radian that centainly arches upward construction, such as the steel construction at the top of certain airport
Design, this node are equally applicable.
In order to adapt to the radian to arch upward, usual girder steel is in heeling condition, for example, having certain height.This design
It is required that needing to carry out terminal pad the remodeling of part, specifically, terminal pad itself has fixed taper or referred to as gradient,
That is, the terminal pad is not the structure of a plane, but there is certain taper, so installation space is also one
A space with gradient, with reference to Figure 11 and Figure 12, that is to say, that terminal pad central area is plate, and periphery is with certain
The conical disc of taper, this structure are similar to the umbrella structure of an opening, and forming one between two terminal pads has inclination
The installation space of angle, the installation for girder steel.
Embodiment five
For embodiment one, vertical plate and steel pipe in embodiment one can be not provided with, that is to say, that upper and lower terminal pad can
Occur in the form of individual individual, can equally complete the connection that six roots of sensation girder steel is vertically connected with disk, after completing above-mentioned connection,
Disk is vertically connected with to connect with girder steel and form one.
Embodiment six
In certain special occasions, the stress of terminal pad can be improved to the setting for being vertically connected with disk progress muscle, steel rib
Can, form the design system of the weak component of strong node.
Embodiment 7
The above-mentioned disk that is vertically connected with can high strength alloy steel using special substance, alloy aluminum substitution.
Embodiment described above is only that the preferred embodiment that may relate to of the invention is described, although right
Of the invention has carried out citing as much as possible, but can not accomplish to cover comprehensively, and the embodiment is just for the sake of allowing society
The public adequately understands essence of the invention, is not intended to limit the scope of the present invention, protection model of the invention
It encloses or is subject to the claim that final review passes through and law assigns, hereby give notice that.
Claims (10)
1. assembled architecture large size roof system shock-resistant node, the terminal pad including beam and connection beam, the beam
One end is connect with steel column, and the other end is flexibly connected with terminal pad, which is characterized in that
The end of the beam is provided with steel bushing, leads to from top to bottom through the pin hole of beam in the steel bushing with one
Road, and bolt hole is provided on the edge of a wing of the beam；
The terminal pad is made of upper and lower two mutually isostructural terminal pads, and the circumferentially uniform cloth in the terminal pad
At least three groups of mounting holes are equipped with, each group of mounting hole has the feature that
One circular hole, the circular hole deviate connection disk center, and the circular hole and the pin hole channel are articulated and connected by steel pin；
The strip hole of at least a pair of of arc, the strip hole are arc and correspond with the bolt hole on beam, the length
Hole and bolt hole are fastened by high-strength bolt, after fastening, the beam in an eccentric manner from terminal pad along
Tangential direction setting, strong external force factor drive down, and beam has the trend of rotation relative to circular hole.
2. assembled architecture large size roof system shock-resistant node according to claim 1, which is characterized in that in every group of mounting hole
The radian direction of the strip hole is arranged centered on circular hole.
3. assembled architecture large size roof system shock-resistant node according to claim 1, which is characterized in that upper and lower terminal pad
Central part is attached by steel pipe.
4. assembled architecture large size roof system shock-resistant node according to claim 1, which is characterized in that be vertically connected with disk it
Between space in weld vertical plate.
5. assembled architecture large size roof system, including column, beam and terminal pad, wherein described beam one end and steel
Column connection, the other end are flexibly connected with terminal pad, and all beams intersect at terminal pad, which is characterized in that
The end of the beam is provided with steel bushing, leads to from top to bottom through the pin hole of beam in the steel bushing with one
Road, and bolt hole is provided on the edge of a wing of the beam；
The terminal pad is made of upper and lower two mutually isostructural terminal pads, and the circumferentially uniform cloth in the terminal pad
At least three groups of mounting holes are equipped with, each group of mounting hole has the feature that
One circular hole, the circular hole deviate connection disk center, and the circular hole and the pin hole channel are articulated and connected by steel pin；
The strip hole of at least a pair of of arc, the strip hole are arc and correspond with the bolt hole on beam, the length
Hole and bolt hole are fastened by high-strength bolt, after fastening, the beam in an eccentric manner from terminal pad along
Tangential direction setting, strong external force factor drive down, and beam has the trend of rotation relative to circular hole.
6. assembled architecture large size roof system according to claim 5, which is characterized in that described in every group of mounting hole
The radian direction of strip hole is arranged centered on circular hole.
7. assembled architecture large size roof system according to claim 5, which is characterized in that the underface of the terminal pad
It is provided with central branches dagger, and the terminal pad takes and is placed on the central supporting top end.
8. assembled architecture large size roof system according to claim 7, which is characterized in that the terminal pad and central branches
Aseismatic bearing is set between dagger.
9. the construction method of assembled architecture large size roof system according to claim 5, which is characterized in that
The first step is processed by drawing and forms the beam and terminal pad, and integrally carries out preservative treatment；
Second step, on-site assembly are attached between beam and terminal pad using steel pin, while being connected in steel beam flange and up and down
It connects and is tightly connected in advance between disk using high-strength bolt
Third step, integral hoisting, and the other end of each girder steel is attached with the steel column for having been mounted to position, finally to institute
The high-strength intensity connection component having is fastened；
4th step after completing connection, carries out secondary preservative treatment to installation point.
10. construction method according to claim 9, which is characterized in that in step 1, in the terminal pad and beam
Structure feature technique machine-shaping is cut by laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437879.9A CN110258888B (en) | 2019-05-24 | 2019-05-24 | Large-scale roof anti-seismic node of fabricated building, roof system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437879.9A CN110258888B (en) | 2019-05-24 | 2019-05-24 | Large-scale roof anti-seismic node of fabricated building, roof system and construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN110258888A true CN110258888A (en) | 2019-09-20 |
| CN110258888B CN110258888B (en) | 2020-11-06 |
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| CN106013438A (en) * | 2016-07-01 | 2016-10-12 | 天津大学 | Connecting rod element flange widening type aluminum alloy space structure node |
| CN206174237U (en) * | 2016-09-12 | 2017-05-17 | 上海通正铝业（昆山）航空科技有限公司 | Aluminum alloy structural engineering's roof structure |
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| CN102561526A (en) * | 2012-01-19 | 2012-07-11 | 东南大学 | Error adjustable centering node for space grid structure |
| CN202850219U (en) * | 2012-09-11 | 2013-04-03 | 欧阳元文 | Assembly type aluminum alloy curved surface disc node device |
| CN103397703A (en) * | 2013-08-01 | 2013-11-20 | 江苏沪宁钢机股份有限公司 | Step type aluminum alloy node device and assembling method thereof |
| CN104234207A (en) * | 2014-09-05 | 2014-12-24 | 天津大学 | Adjustable aluminum alloy space structure two-way plate rib node |
| CN106013438A (en) * | 2016-07-01 | 2016-10-12 | 天津大学 | Connecting rod element flange widening type aluminum alloy space structure node |
| CN206174237U (en) * | 2016-09-12 | 2017-05-17 | 上海通正铝业（昆山）航空科技有限公司 | Aluminum alloy structural engineering's roof structure |
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