CN108894430A - A kind of construction method for reinforcing steel structure girder or column - Google Patents
A kind of construction method for reinforcing steel structure girder or column Download PDFInfo
- Publication number
- CN108894430A CN108894430A CN201810931438.XA CN201810931438A CN108894430A CN 108894430 A CN108894430 A CN 108894430A CN 201810931438 A CN201810931438 A CN 201810931438A CN 108894430 A CN108894430 A CN 108894430A
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- China
- Prior art keywords
- steel
- type groove
- basic section
- section steel
- wing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04B2001/2466—Details of the elongated load-supporting parts
Abstract
The present invention relates to the construction method of a kind of reinforcing steel structure girder or column, the beam or column use basic section steel, and construction procedure includes：First, it prepares with lower member：4 U-lag steels；The basic section steel is made of top flange, lower flange, web；Second, U-type groove steel is installed：4 U-lag steels are inserted into respectively in the quadrangle of the top flange of basic section steel, lower flange, U-lag steel is fixed along the elongated arrangement of basic section steel, U-lag steel and basic section steel, and the duct for wearing presstressed reinforcing steel is formed between U-lag steel and the edge of a wing；Third passes through presstressed reinforcing steel in 4 jiaos of the basic section steel of duct, applies prestressing force.Using construction method of the invention, beam/column bending resistance/pressure bearing capacity and Torsion bearing capacity can be improved simultaneously, and the Torsion bearing capacity for reinforcing steel construction side column, side bar has good effect.
Description
Technical field
The invention patent belongs to building engineering field, and in particular to a kind of construction method for reinforcing steel structure girder or column.
Background technique
CN105926974 A discloses a kind of steel construction combination beam for increasing existing girder steel bearing capacity, in existing girder steel
Anchorage and at least one gravitation support frame, secondary girder steel is arranged between existing girder steel and secondary girder steel in the setting pair girder steel of parallel beneath
One end is fixed, and the other end connects force application apparatus or secondary girder steel is equipped with clamp device, and existing girder steel, secondary girder steel and anchorage securely connect
It connects, the steel construction combination beam for increasing bearing capacity is collectively constituted with clamp device, gravitation support frame.Using the steel construction of the invention
Combination beam can carry out field-hardened to girder steel existing under engineering status, and method is simple, steel construction combined beam structure letter
It is single, it can satisfy engineering design and requirement.The combination of steel construction+steel strand wires can be improved being held by curved for beam in above-mentioned document
Power is carried, but there are no be related to steel strand wires and how to improve in the structure the technical solution of Torsion bearing capacity in the prior art.
Summary of the invention
A kind of construction method for reinforcing steel structure girder or column is provided the purpose of the present invention is overcoming the deficiencies of existing technologies,
The purpose is in reinforcement/column Torsion bearing capacity.
The technical scheme is that：A kind of construction method for reinforcing steel structure girder or column, the beam or column are using basis
Fashioned iron, construction procedure include：First, it prepares with lower member：4 U-type groove steel；The basic section steel is by top flange, lower flange, abdomen
Board group at；Second, U-type groove steel is installed：4 U-type groove steel are inserted into respectively in the quadrangle of the top flange of basic section steel, lower flange,
U-type groove steel is fixed along the elongated arrangement of basic section steel, U-type groove steel and basic section steel, be formed between U-type groove steel and the edge of a wing wear it is pre-
The duct of stress rib；Third passes through presstressed reinforcing steel in 4 jiaos of the basic section steel of duct, applies prestressing force.
Further, it is preset with bolt hole between U-type groove steel and the edge of a wing of basic section steel, U-type groove steel and basic section steel
The bolt hole on the edge of a wing is aligned, and the two is fixed by bolt and nut component.
Further, it in the first step, when preparing component, is welded respectively in the top flange of basic section steel, the left and right sides of lower flange
Connect vertical steel pipe, the both ends outstanding flange of vertical steel pipe, the height of vertical steel pipe is greater than the thickness on the edge of a wing, during vertical steel pipe is
It is empty；The spacing of vertical steel pipe is 15-50cm；Second step, when installing U-type groove steel, U-type groove steel is inserted into from the front of basic section steel,
Its two flank side surface for being inserted into the edge of a wing has protrusion, and the part for protruding from the edge of a wing with vertical steel pipe cooperates to positioning U type channel steel
With the mutual alignment on the edge of a wing；There is hole in the upper and lower surface of U-type groove steel part corresponding with vertical steel pipe, passes through bolt and nut component
It is both fixed.
Further, it in second step, installs in U-type groove steel, further includes：Install outer panel and lower outer panel, upper outer panel
It is arranged on the outside of the edge of a wing of 2 U-type groove steel of top flange；Lower outer panel is arranged in outside the edge of a wing of 2 U-type groove steel of top flange
Side.
Further, it in second step, installs in U-type groove steel, further includes：Install interior plate and lower interior plate, upper interior plate,
Lower interior plate is separately positioned on one end on the inside of the edge of a wing of the U-type groove steel of top flange, lower flange and between web.
Further, 4 pieces of interior plates are formed with webShape.
Further, it in second step, installs in U-type groove steel, further includes：Left plate and right side plate, left plate and right side are installed
Plate is parallel with web, and the U-type groove steel of basic section steel web two sides passes through left plate respectively and connects with right side plate, and upper outer panel is under
Outer panel connects 4 jiaos of U-type groove steel to form " mouth " font with left plate with right edge.
Further, the basic section steel is I-steel, and top flange is identical with the structure of lower flange, and the presstressed reinforcing steel uses
Prestress wire, the beam or column are side bar or side column
By adopting the above technical scheme, compared with prior art, beneficial effects of the present invention are：1. beam/column edge of a wing uses
Knockdown method is formed：That is basic section steel+channel steel mode is formed；2. in 4 jiaos of setting presstressed reinforcing steels of fashioned iron, Neng Gou
While improving bending resistance/pressure bearing capacity, Torsion bearing capacity is improved；3. the application be using beam, column reverse, U-type groove steel and
Internal prestressing force will form space curve under the action of torque, and presstressed reinforcing steel length can be stretched further, and presstressed reinforcing steel exists
While tension, presstressed reinforcing steel can link together to channel steel active force, channel steel with the basic section steel edge of a wing radially, and then inhibit
Beam/column is grappled；4. the combined type edge of a wing of the invention facilitates channel steel and the edge of a wing by the way of the external bolt steel pipe of basic section steel
Be located by connecting, the stability both guaranteed；5. the present invention is applicable not only to newly-built structural steelwork, built work is applied also for
The reinforcing of journey.
Detailed description of the invention：
Fig. 1：The structure scheme of installation of embodiment one.
Fig. 2：The bolt and nut component and U-type groove steel detail drawing of installation of embodiment one.
Fig. 3：The structure scheme of installation of embodiment three.
Fig. 4：The structure scheme of installation of example IV.
Fig. 5：Steel strand wires deform schematic diagram when being turned round.
Fig. 6：Steel strand wires of the present invention and basic section steel stress diagram.
Specific embodiment
Embodiment 1：As shown in Figs. 1-2, a kind of construction method for reinforcing steel construction side bar, the beam or column use basic type
Steel, construction procedure are as follows：
First, prepare component：Basic section steel, 4 U-type groove steel 1-1,1-2,1-3,1-4；Basic section steel uses I-steel, by upper
Edge of a wing 2-1, lower flange 2-2, web 3 form, and top flange 2-1 is identical with the structure of lower flange 2-2；
Second, by the top flange of 4 U-type groove steel insertion basic section steel, lower flange quadrangle in, U-type groove steel and basic section steel
Bolt hole is preset between the edge of a wing, U-type groove steel is aligned with the bolt hole on the edge of a wing of basic section steel, and the two passes through bolt and nut group
Part 1-5 is fixed；The duct 4 for wearing presstressed reinforcing steel is formed between U-type groove steel and the edge of a wing；
Third passes through presstressed reinforcing steel in 4 jiaos of the basic section steel of duct, applies prestressing force；The presstressed reinforcing steel uses
Prestress wire；Prestress wire is anchored on the column of beam two sides.
Embodiment 2：A kind of construction method for reinforcing steel construction side column, difference from example 1 is that：The base
Plinth fashioned iron is column；Prestress wire is anchored at the upper/lower terminal of column.
Embodiment 3：As shown in figure 3, a kind of construction method for reinforcing steel structure girder or column, the beam or column use basic type
Steel, construction procedure are as follows：
First, prepare component：Basic section steel, 4 U-type groove steel 1-1,1-2,1-3,1-4；Basic section steel uses I-steel, by upper
Edge of a wing 2-1, lower flange 2-2, web 3 form, and top flange 2-1 is identical with the structure of lower flange 2-2；In the upper limb of basic section steel
Vertical steel pipe 1-7, the both ends outstanding flange of vertical steel pipe, the height of vertical steel pipe are respectively welded at left and right sides of edge, lower flange
Greater than the thickness on the edge of a wing, vertical steel pipe is hollow；The spacing of vertical steel pipe is 15-50cm；
Second, by the top flange of 4 U-type groove steel insertion basic section steel, lower flange quadrangle in, U-type groove steel and basic section steel
Bolt hole is preset between the edge of a wing, U-type groove steel is aligned with the bolt hole on the edge of a wing of basic section steel, and the two passes through bolt and nut group
Part 1-6 is fixed；The duct 4 for wearing presstressed reinforcing steel is formed between U-type groove steel and the edge of a wing；
U-type groove steel is inserted into from the front of basic section steel, and two flank side surfaces on the insertion edge of a wing have protrusion, protrudes from the wing with vertical steel pipe
The part of edge cooperates to the mutual alignment on positioning U type channel steel and the edge of a wing；The upper and lower surface of U-type groove steel and vertical steel pipe phase
There is hole in corresponding part, both fixed by bolt and nut component；
Upper and lower outer panel 2-1-2, upper and lower interior plate 2-1-3 are welded, 2 U-type groove steel of top flange are arranged in upper outer panel
On the outside of the edge of a wing；Lower outer panel is arranged on the outside of the edge of a wing of 2 U-type groove steel of lower flange；Upper interior plate, lower interior plate are respectively set
Between one end and web on the inside of the edge of a wing of the U-type groove steel of top flange, lower flange.
Third passes through presstressed reinforcing steel in 4 jiaos of the basic section steel of duct, applies prestressing force；The presstressed reinforcing steel uses
Prestress wire.
Embodiment 4：With embodiment 3 the difference is that：Pass through the left plate parallel with web and right side in U-type groove steel
Plate 2-1-4 connection；So that 4 jiaos of U-type groove steel connects to form " mouth " font, beam/column Torsion bearing capacity is further increased.
Embodiment 5：With embodiment 3 the difference is that：Upper and lower interior plate is connect by the way of diagonal brace with web, and 4
Block interior plate is formed with webShape can be more conducive to the globality of U-type groove steel and basic section steel, be conducive to antitorque hold
Carry the raising of power.
Reinforcement principle is illustrated from amechanical angle below, first, U-type groove steel and upper and lower outer panel and left and right side
The square shape that plate is formed, square shape can be improved Torsion bearing capacity, this design from mechanics it will be understood that be the equal of
A torque member is increased again on I-steel, also, U-type groove steel is arranged on the quadrangle of basic section steel, antitorque shape herein
Become maximum, thus setting " square shape " can improve Torsion bearing capacity to greatest extent here；Second, for prestress steel twist
For line, if its longitudinal direction is not arranged in U-type groove steel, effect is only the length elongation of steel strand wires, is between steel strand wires
Straight line；But be disposed in U-type groove steel, under the action of torque, steel strand wires reverse together with U-type groove steel, and do not set
The case where setting U-type groove steel is different, and steel strand wires at this time are curve, for prestress wire, when it is become bent by external force
When line, radial force will necessarily be generated, and its size is related with deformation extent.As shown in fig. 6, above-mentioned radial force acts on basis
Fashioned iron F1, F2, F3, F4, F1-F4 improve Torsion bearing capacity as shear force.
The preferred embodiment of present aspect has already been described in detail above, it is understood that having read of the invention above-mentioned say
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall into this Shen
It please be in the protection scope of the appended claims.
Claims (4)
1. a kind of construction method for reinforcing steel structure girder or column, the beam or column use basic section steel, it is characterised in that：It is constructed
Step includes：
First, it prepares with lower member：4 U-type groove steel；The basic section steel is made of top flange, lower flange, web；
Second, U-type groove steel is installed：4 U-type groove steel are inserted into respectively in the quadrangle of the top flange of basic section steel, lower flange, it is U-shaped
Channel steel is fixed along the elongated arrangement of basic section steel, U-type groove steel and basic section steel, is formed between U-type groove steel and the edge of a wing and is worn pre- answer
The duct of power muscle；
It installs in U-type groove steel, further includes：Install outer panel and lower outer panel, upper outer panel 2 that top flange is arranged in are U-shaped
On the outside of the edge of a wing of channel steel；Lower outer panel is arranged on the outside of the edge of a wing of 2 U-type groove steel of lower flange；
It installs in U-type groove steel, further includes：Left plate and right side plate are installed, left plate and right side plate are parallel with web, basic section steel
The U-type groove steel of web two sides passes through left plate respectively and connects with right side plate, upper outer panel and lower outer panel and left plate and right side
While 4 jiaos of U-type groove steel is made to connect to form " mouth " font;
Third passes through presstressed reinforcing steel in 4 jiaos of the basic section steel of duct, applies prestressing force.
2. a kind of construction method for reinforcing steel structure girder or column according to claim 1, it is characterised in that：U-type groove steel and
Bolt hole is preset between the edge of a wing of basic section steel, U-type groove steel is aligned with the bolt hole on the edge of a wing of basic section steel, and the two passes through
Bolt and nut component is fixed.
3. a kind of construction method for reinforcing steel structure girder or column according to claim 1, which is characterized in that the basis
Fashioned iron is I-steel, and top flange is identical with the structure of lower flange.
4. described in any item a kind of construction methods for reinforcing steel structure girder or column according to claim 1, it is characterised in that：It is described
Presstressed reinforcing steel uses prestress wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931438.XA CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002701.2A CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
| CN201810931438.XA CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710002701.2A Division CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
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| Publication Number | Publication Date |
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| CN108894430A true CN108894430A (en) | 2018-11-27 |
| CN108894430B CN108894430B (en) | 2020-06-16 |
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| CN201710002701.2A Active CN106836482B (en) | 2017-01-03 | 2017-01-03 | A kind of construction method for reinforcing steel structure girder or column |
| CN201810931438.XA Active CN108894430B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937322.7A Active CN109113262B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
| CN201810937323.1A Active CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
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| CN201810937323.1A Active CN109113263B (en) | 2017-01-03 | 2017-01-03 | Construction method for reinforcing steel structure beam or column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107882174B (en) * | 2017-11-23 | 2023-11-07 | 厦门华旸建筑工程设计有限公司 | Hanging beam type steel structure frame |
| CN110258798B (en) * | 2019-07-12 | 2023-10-24 | 浙江东南网架股份有限公司 | Mounting method of assembled column base connection node |
| CN110512350B (en) * | 2019-07-29 | 2021-10-26 | 东华大学 | Bending-proof device for super-long moving beam |
| CN111021746B (en) * | 2019-12-25 | 2021-08-03 | 中交鹭建有限公司 | Processing and manufacturing method of light steel truss reinforcing structure |
| CN113266079B (en) * | 2021-06-11 | 2022-12-02 | 浙江明思特建筑支护技术有限公司 | Shaped steel with high joint strength |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109113262A (en) | 2019-01-01 |
| CN109113263A (en) | 2019-01-01 |
| CN109113263B (en) | 2020-07-07 |
| CN106836482A (en) | 2017-06-13 |
| CN106836482B (en) | 2018-11-02 |
| CN109113262B (en) | 2020-08-28 |
| CN108894430B (en) | 2020-06-16 |
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