CN108411787A - Existing curtain wall builds freely-supported conversion beam steel construction crossover construction - Google Patents
Existing curtain wall builds freely-supported conversion beam steel construction crossover construction Download PDFInfo
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- CN108411787A CN108411787A CN201810318862.7A CN201810318862A CN108411787A CN 108411787 A CN108411787 A CN 108411787A CN 201810318862 A CN201810318862 A CN 201810318862A CN 108411787 A CN108411787 A CN 108411787A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
Abstract
The invention discloses a kind of existing curtain walls to build freely-supported conversion beam steel construction crossover construction, includes the following steps：（1）Existing building structural analysis；（2）It is existing to frame the installation of bracket buried plate；（3）Freely-supported conversion beam is installed；（4）Newly-built structure slides hinged-support installation；（5）Crossover Steel Structure Installation；（6）Steel construction detects；（7）Reinforced frame floor is installed；（8）Concreting；（9）Stone material is mated formation and guardrail installation.The engineering method job specfication system increases freely-supported conversion beam on existing building, steel construction crossover is made to possess stable bearing；The engineering method constructing structure is stablized, and structural strengthening is carried out to existing building, and drawknot, excellent effect are carried out to existing building structure column.
Description
Technical field
The present invention relates to a kind of existing curtain walls to build freely-supported conversion beam steel construction crossover construction, belongs to construction skill
Art field.
Background technology
In recent years, multilayer Gongjian building is often connected different building structure using steel construction crossover passes through for people,
Setting steel construction crossover can carry out construction according to drawing according to live practice of construction situation and crossover can be completed between new building, but
Increase crossover between new and old building because of existing building structure aging, be the existing building of dry hanging curtain wall especially for alien invasion,
Because internal structure can not be predicted, structure safety cannot be completely secured in installation, and dangerous larger, there is more construction Difficulties.
How the key factor that is mounted to for steel construction crossover be widely used to promote of steel construction crossover is carried out between new and old building.
My company summarizes the Advanced Idea of colleague according to construction experience for many years, by the construction work for constantly inquiring into, improving the system
Skill is studied on this basis, summary forms this engineering method.
Invention content
The technical problem to be solved by the present invention is to：A kind of existing curtain wall building freely-supported conversion beam steel construction crossover is provided to apply
Work engineering method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
Existing curtain wall provided by the invention builds freely-supported conversion beam steel construction crossover construction, includes the following steps：
（1）Existing building structural analysis
Crossover position metope curtain wall need to be installed to existing building and removed and exposed outside existing building construction, find out and can be used as
The structural column of bearing disclosure satisfy that the freely-supported conversion beam of steel construction crossover support according to the column actual size and situation design, should
Conversion beam can carry out drawknot to structural column.
（2）It is existing to frame the installation of bracket buried plate
1 carries out buried plate installation on frame column, and buried plate uses chemically-planted steel bar.First according to design requirement, set by drawing spacing, back gauge
Position drills in base, cleaning in retaining hole.Medicament pipe is inserted into clean hole, screws in screw rod with electric drill until medicament
Until outflow.After medicament is fully hardened, in addition washer and hex nut fix object.
2, to ensure that freely-supported converts beam stress support, add bracket ribbed stiffener, dowel is filled in bracket plate in buried plate bottom end
Weldering is installed for freely-supported conversion beam keyhole.
3, to ensure the accurate positioning of freely-supported conversion beam and increasing conversion beam shearing resistance, weld simple shear plate, shear spiral shell on buried plate
Elliptical aperture can be used to correct contraposition in keyhole.
（3）Freely-supported conversion beam is installed
Freely-supported, which is made, according to frame column distance converts girder steel.Girder steel both sides are 20mm away from buried plate distance, are hung girder steel using truck crane
Simply supported beam and shear spiro keyhole position are just proofreaded afterwards, and ensures that steel beam flange is fallen on bracket ribbed stiffener, are fixed using high-strength bolt
Freely-supported conversion beam is on bracket bearing and shear.Simply-supported Steel Beams are welded ribbed stiffener shear in steel crossover girder steel position and are connected to fixed
Bridge girder steel.
（4）Newly-built structure slides hinged-support installation
Buried plate is buried using chemical bolt in new building structure beam crossover position, installation process is installed with buried plate.At buried plate bottom
End welding bracket ribbed stiffener, bracket apical side height are building coats height+structure surface thickness+crossover girder steel height, bracket top
Plate plug welding dowel simultaneously sets rubber support to fixed crossover, crossover connecting hole setting elliptical aperture in bracket dowel position pad.
（5）Crossover Steel Structure Installation
1 girder steel lifts by crane, and geometric dimension, the gusset plate position and direction of beam are checked before lifting.
The floating rust and dirt on attrition surface are removed before 2 lifting girder steels.Safety rope is loaded onto on girder steel, girder steel is connect with column
Afterwards, safety rope is fixed on column.
It is all made of high strength exploitation at 3 crossover girder steels and bearing, it need to be when handling member friction surface, friction coefficient
Value has to comply with design requirement.
4 high-strength bolts carry mating nuts and washers, are matched in same packing case.
5 bolts cannot have by oneself and penetrate, and when needing reaming, the steel plate layer of aperture surrounding should be adjacent to completely, prevent iron filings from falling into
It gap cannot be closely connected between causing steel plate.
6 high-strength bolts must be tightened at twice, and first screwing torque value cannot be less than the 30% of whole screwing torque value.
The fastening of 7 high-strength bolts：It is typically carried out twice：For the first time just to twist, it is fastened to bolt classical power
60%-80%；Second is stubborn eventually, is fastened to bolt classical power, deviation is less than ± 10%.It just twists, whole twist is all made of motor board
Hand.
8 is avoid crossover translation, and cross angle steel is arranged between avris girder steel makes crossover structure form stable static determinacy
Structure.
（6）Steel construction detects
It needs to be detected site welding position and high-strength bolt installation after entire Steel Structure Installation, it is ensured that structure can expire
Sufficient security needs.
（7）Reinforced frame floor is installed
Weld stud and the integrated template of welding steel watt on mounted crossover girder steel, and it is laid with reinforcing bar purlin according to design requirement
Frame floor muscle, truss bars form whole with steel plate watt welding.
（8）Concreting
Concreting is poured with normal concrete, and vibration compacting and high-altitude working safety are paid attention to when pouring.
（9）Stone material is mated formation and guardrail installation
Concrete carries out stone material edge patch after reaching design strength and installs two lateral rails, and existing building removes curtain wall with restoring the old as the old
Mode carry out recovery installation.
This engineering method, which is suitable for new and old building object, need to be arranged the project of steel construction crossover；This engineering method is suitable for existing building structure
New and old steel construction crossover of the column span no more than 9m is installed.
Technological principle：According to existing curtain wall building structure present situation, freely-supported conversion beam is added by existing structure frame column drawknot simultaneously
Form steel crossover bearing, by crossover girder steel all it is hinged on this conversion beam, in new building junction setting slide hinged-support with
Eliminate the influence that brings of new and old building differential settlement, crossover face layer can be needed to be laid with according to effect stone pavements, wooden footway or
Glass plank road.
Beneficial effects of the present invention：
The engineering method job specfication system increases freely-supported conversion beam on existing building, steel construction crossover is made to possess stable bearing；
The engineering method constructing structure is stablized, and structural strengthening is carried out to existing building, carries out drawknot to existing building structure column, effect is excellent
It is good.
Social benefit：This engineering method working specification forms system, has fully ensured that the structural reliability of steel construction crossover, full
Sufficient design requirement working load.This engineering method installation process has reliable operating platform, worker's quick construction to avoid high-altitude
The security risk that concreting is brought, steel girder erection are essentially high-strength bolt connection, and worker is easy using tool operation.This work
Method forms bearing using freely-supported conversion beam, so that steel crossover is had the tie point stablized, while conversion beam forms existing structure and draws
Knot forms the double shield of steel crossover, has good social benefit.
Economic benefit：This engineering method simplicity quick for installation, effectively shortens 3 days durations, and freely-supported conversion beam installation operation is simple, easily
It in left-hand seat, is not required to carry out extra installation and processing, compares conventional concrete frame supporter structure, save money 7612.95 yuan.
Specific implementation mode
Embodiment 1
Existing curtain wall provided in this embodiment builds freely-supported conversion beam steel construction crossover construction, includes the following steps：
（1）Existing building structural analysis
Crossover position metope curtain wall need to be installed to existing building and removed and exposed outside existing building construction, find out and can be used as
The structural column of bearing disclosure satisfy that the freely-supported conversion beam of steel construction crossover support according to the column actual size and situation design, should
Conversion beam can carry out drawknot to structural column.
（2）It is existing to frame the installation of bracket buried plate
1 carries out buried plate installation on frame column, and buried plate uses chemically-planted steel bar.First according to design requirement, set by drawing spacing, back gauge
Position drills in base, cleaning in retaining hole.Medicament pipe is inserted into clean hole, screws in screw rod with electric drill until medicament
Until outflow.After medicament is fully hardened, in addition washer and hex nut fix object.
2, to ensure that freely-supported converts beam stress support, add bracket ribbed stiffener, dowel is filled in bracket plate in buried plate bottom end
Weldering is installed for freely-supported conversion beam keyhole.
3, to ensure the accurate positioning of freely-supported conversion beam and increasing conversion beam shearing resistance, weld simple shear plate, shear spiral shell on buried plate
Elliptical aperture can be used to correct contraposition in keyhole.
（3）Freely-supported conversion beam is installed
Freely-supported, which is made, according to frame column distance converts girder steel.Girder steel both sides are 20mm away from buried plate distance, are hung girder steel using truck crane
Simply supported beam and shear spiro keyhole position are just proofreaded afterwards, and ensures that steel beam flange is fallen on bracket ribbed stiffener, are fixed using high-strength bolt
Freely-supported conversion beam is on bracket bearing and shear.Simply-supported Steel Beams are welded ribbed stiffener shear in steel crossover girder steel position and are connected to fixed
Bridge girder steel.
（4）Newly-built structure slides hinged-support installation
Buried plate is buried using chemical bolt in new building structure beam crossover position, installation process is installed with buried plate.At buried plate bottom
End welding bracket ribbed stiffener, bracket apical side height are building coats height+structure surface thickness+crossover girder steel height, bracket top
Plate plug welding dowel simultaneously sets rubber support to fixed crossover, crossover connecting hole setting elliptical aperture in bracket dowel position pad.
（5）Crossover Steel Structure Installation
1 girder steel lifts by crane, and geometric dimension, the gusset plate position and direction of beam are checked before lifting.
The floating rust and dirt on attrition surface are removed before 2 lifting girder steels.Safety rope is loaded onto on girder steel, girder steel is connect with column
Afterwards, safety rope is fixed on column.
It is all made of high strength exploitation at 3 crossover girder steels and bearing, it need to be when handling member friction surface, friction coefficient
Value has to comply with design requirement.
4 high-strength bolts carry mating nuts and washers, are matched in same packing case.
5 bolts cannot have by oneself and penetrate, and when needing reaming, the steel plate layer of aperture surrounding should be adjacent to completely, prevent iron filings from falling into
It gap cannot be closely connected between causing steel plate.
6 high-strength bolts must be tightened at twice, and first screwing torque value cannot be less than the 30% of whole screwing torque value.
The fastening of 7 high-strength bolts：It is typically carried out twice：For the first time just to twist, it is fastened to bolt classical power
60%-80%；Second is stubborn eventually, is fastened to bolt classical power, deviation is less than ± 10%.It just twists, whole twist is all made of motor board
Hand.
8 is avoid crossover translation, and cross angle steel is arranged between avris girder steel makes crossover structure form stable static determinacy
Structure.
（6）Steel construction detects
It needs to be detected site welding position and high-strength bolt installation after entire Steel Structure Installation, it is ensured that structure can expire
Sufficient security needs.
（7）Reinforced frame floor is installed
Weld stud and the integrated template of welding steel watt on mounted crossover girder steel, and it is laid with reinforcing bar purlin according to design requirement
Frame floor muscle, truss bars form whole with steel plate watt welding.
（8）Concreting
Concreting is poured with normal concrete, and vibration compacting and high-altitude working safety are paid attention to when pouring.
（9）Stone material is mated formation and guardrail installation
Concrete carries out stone material edge patch after reaching design strength and installs two lateral rails, and existing building removes curtain wall with restoring the old as the old
Mode carry out recovery installation.
2 application example of embodiment
（1）The Qingdao International Exhibition Center conference centre shops project 3# southern side extension project
Project profile
The Qingdao International Exhibition Center conference centre shops project 3# southern side extension project is located at the Qingdao City roads Miao Ling 9, construction area
Steel construction crossover need to be arranged for the building roof to be attached with original building in 12974 ㎡, one layer of 5386 ㎡ of hall area.
Condition of construction
Steel construction crossover need to be installed in the roofing north side of this project, freely-supported conversion beam is set using this technique and to original building frame column
Carry out drawknot, steel construction crossover is connected on freely-supported conversion beam, this project installation process in strict accordance with this engineering method construction technology into
Row construction.
Application effect
The construction and installation of this engineering freely-supported conversion beam steel construction crossover, it is common by design, supervision, management, construction, unit in charge of construction
It checks and accepts, meets design requirement.And come into operation by major outdoor exhibition, at present using good.
（2）Middle Linkage's meaning Plaza Project
Project profile
Middle Linkage's meaning Plaza Project is located at Qingdao Nanjing Road 122,12000 square metres of buildings for commercial use of this engineering construction area；±
0.000 or less using reinforced concrete independent foundation, and wall basis is brick basis；Agent structure is steel knot hook, inner-outer wall
Body is built by laying bricks or stones using the light block, and floor and roofing are all made of monolithic reinforced concrete structure, and concrete strength is C30.
Condition of construction
This engineering is arranged steel construction crossover between each independent building, this project installation process in strict accordance with this engineering method construction technology into
Row construction.
Application effect
The installation of this engineering simply supported beam steel construction crossover, is checked and accepted jointly by design, supervision, management, construction, unit in charge of construction, full
Sufficient design requirement.It has come into operation, has worked well comprehensively at present.
Claims (1)
1. existing curtain wall builds freely-supported conversion beam steel construction crossover construction, which is characterized in that include the following steps：
（1）Existing building structural analysis
Crossover position metope curtain wall need to be installed to existing building and removed and exposed outside existing building construction, find out and can be used as
The structural column of bearing disclosure satisfy that the freely-supported conversion beam of steel construction crossover support according to the column actual size and situation design, should
Conversion beam can carry out drawknot to structural column；
（2）It is existing to frame the installation of bracket buried plate
1 carries out buried plate installation on frame column, and buried plate uses chemically-planted steel bar；First according to design requirement, set by drawing spacing, back gauge
Position drills in base, cleaning in retaining hole；Medicament pipe is inserted into clean hole, screws in screw rod with electric drill until medicament
Until outflow；After medicament is fully hardened, in addition washer and hex nut fix object；
2 is ensure that freely-supported converts beam stress support, and bracket ribbed stiffener is added in buried plate bottom end, and dowel carries out plug welding with bracket plate,
It is installed for freely-supported conversion beam keyhole；
3, to ensure the accurate positioning of freely-supported conversion beam and increasing conversion beam shearing resistance, weld simple shear plate, shear bolt hole on buried plate
Elliptical aperture can be used to correct contraposition；
（3）Freely-supported conversion beam is installed
Freely-supported, which is made, according to frame column distance converts girder steel；Girder steel both sides are 20mm away from buried plate distance, are hung girder steel using truck crane
Simply supported beam and shear spiro keyhole position are just proofreaded afterwards, and ensures that steel beam flange is fallen on bracket ribbed stiffener, are fixed using high-strength bolt
Freely-supported conversion beam is on bracket bearing and shear；Simply-supported Steel Beams are welded ribbed stiffener shear in steel crossover girder steel position and are connected to fixed
Bridge girder steel；
（4）Newly-built structure slides hinged-support installation
Buried plate is buried using chemical bolt in new building structure beam crossover position, installation process is installed with buried plate；At buried plate bottom
End welding bracket ribbed stiffener, bracket apical side height are building coats height+structure surface thickness+crossover girder steel height, bracket top
Plate plug welding dowel simultaneously sets rubber support to fixed crossover, crossover connecting hole setting elliptical aperture in bracket dowel position pad；
（5）Crossover Steel Structure Installation
1 girder steel lifts by crane, and geometric dimension, the gusset plate position and direction of beam are checked before lifting；
The floating rust and dirt on attrition surface are removed before 2 lifting girder steels；Safety rope is loaded onto on girder steel, after girder steel is connect with column,
Safety rope is fixed on column；
It is all made of high strength exploitation at 3 crossover girder steels and bearing, it need to be when handling member friction surface, friction co-efficient value must
Design requirement must be met；
4 high-strength bolts carry mating nuts and washers, are matched in same packing case；
5 bolts cannot have by oneself and penetrate, and when needing reaming, the steel plate layer of aperture surrounding should be adjacent to completely；
6 high-strength bolts must be tightened at twice, and first screwing torque value cannot be less than the 30% of whole screwing torque value；
The fastening of 7 high-strength bolts：It carries out at twice：For the first time just to twist, it is fastened to the 60%-80% of bolt classical power；The
It is secondary to be twisted to be whole, it is fastened to bolt classical power, deviation is less than ± 10%；
8 are arranged cross angle steel between avris girder steel makes crossover structure form stable statically determinate structure；
（6）Steel construction detects
It needs to be detected site welding position and high-strength bolt installation after entire Steel Structure Installation；
（7）Reinforced frame floor is installed
Weld stud and the integrated template of welding steel watt on mounted crossover girder steel, and it is laid with reinforcing bar purlin according to design requirement
Frame floor muscle, truss bars form whole with steel plate watt welding；
（8）Concreting
Concreting is poured with normal concrete, and vibration compacting and high-altitude working safety are paid attention to when pouring；
（9）Stone material is mated formation and guardrail installation
Concrete carries out stone material edge patch after reaching design strength and installs two lateral rails, and existing building removes curtain wall with restoring the old as the old
Mode carry out recovery installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810318862.7A CN108411787A (en) | 2018-04-11 | 2018-04-11 | Existing curtain wall builds freely-supported conversion beam steel construction crossover construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810318862.7A CN108411787A (en) | 2018-04-11 | 2018-04-11 | Existing curtain wall builds freely-supported conversion beam steel construction crossover construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108411787A true CN108411787A (en) | 2018-08-17 |
Family
ID=63135249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810318862.7A Pending CN108411787A (en) | 2018-04-11 | 2018-04-11 | Existing curtain wall builds freely-supported conversion beam steel construction crossover construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN108411787A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900911A (en) * | 2021-01-22 | 2021-06-04 | 温州城建集团股份有限公司 | Construction method for simply supported conversion beam steel structure connecting bridge of existing curtain wall building |
| CN117489154A (en) * | 2024-01-02 | 2024-02-02 | 北京城建集团有限责任公司 | Construction method and framework of reserved-column-head-free support based on roof structural beam of vehicle section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8400743A (en) * | 1984-03-08 | 1985-10-01 | Bodegraven Bv | Building wall beam support - has sheet-metal angled bracket with support pocket for beam |
| CN201746781U (en) * | 2009-09-28 | 2011-02-16 | 中交二公局第六工程有限公司 | Diagonal draw type bracket for cast-in-place of continuous beam |
| CN103628675A (en) * | 2013-10-30 | 2014-03-12 | 中建三局建设工程股份有限公司 | Bailey beam type formwork supporting system and construction method thereof for super high-rise transfer story crossbeam |
| CN103924788A (en) * | 2014-05-06 | 2014-07-16 | 北京筑福国际工程技术有限责任公司 | Connecting structure for existing buildings and construction method |
| CN103498570B (en) * | 2013-10-12 | 2015-09-09 | 北京筑福国际工程技术有限责任公司 | The inner storey-adding reconstruction structure of old factory building and construction method thereof |
| CN105822000A (en) * | 2016-03-21 | 2016-08-03 | 上海核工程研究设计院 | Steel plate and concrete composite beam and slab structure system |
-
2018
- 2018-04-11 CN CN201810318862.7A patent/CN108411787A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8400743A (en) * | 1984-03-08 | 1985-10-01 | Bodegraven Bv | Building wall beam support - has sheet-metal angled bracket with support pocket for beam |
| CN201746781U (en) * | 2009-09-28 | 2011-02-16 | 中交二公局第六工程有限公司 | Diagonal draw type bracket for cast-in-place of continuous beam |
| CN103498570B (en) * | 2013-10-12 | 2015-09-09 | 北京筑福国际工程技术有限责任公司 | The inner storey-adding reconstruction structure of old factory building and construction method thereof |
| CN103628675A (en) * | 2013-10-30 | 2014-03-12 | 中建三局建设工程股份有限公司 | Bailey beam type formwork supporting system and construction method thereof for super high-rise transfer story crossbeam |
| CN103924788A (en) * | 2014-05-06 | 2014-07-16 | 北京筑福国际工程技术有限责任公司 | Connecting structure for existing buildings and construction method |
| CN105822000A (en) * | 2016-03-21 | 2016-08-03 | 上海核工程研究设计院 | Steel plate and concrete composite beam and slab structure system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900911A (en) * | 2021-01-22 | 2021-06-04 | 温州城建集团股份有限公司 | Construction method for simply supported conversion beam steel structure connecting bridge of existing curtain wall building |
| CN112900911B (en) * | 2021-01-22 | 2022-06-14 | 温州城建集团股份有限公司 | Construction method for simply supported conversion beam steel structure connecting bridge of existing curtain wall building |
| CN117489154A (en) * | 2024-01-02 | 2024-02-02 | 北京城建集团有限责任公司 | Construction method and framework of reserved-column-head-free support based on roof structural beam of vehicle section |
| CN117489154B (en) * | 2024-01-02 | 2024-03-22 | 北京城建集团有限责任公司 | Construction method and framework of reserved-column-head-free support based on roof structural beam of vehicle section |
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Application publication date: 20180817 |