CN111236680A - Angle steel and angle steel fixing technology in beam steel-clad construction - Google Patents
Angle steel and angle steel fixing technology in beam steel-clad construction Download PDFInfo
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- CN111236680A CN111236680A CN201811545657.0A CN201811545657A CN111236680A CN 111236680 A CN111236680 A CN 111236680A CN 201811545657 A CN201811545657 A CN 201811545657A CN 111236680 A CN111236680 A CN 111236680A
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- steel
- angle steel
- shaped hoop
- anchor bolt
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- 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
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a technology for fixing angle steel and angle steel in beam-clad steel construction, which mainly adopts a U-shaped hoop to replace a batten plate (steel plate) to connect and fix the angle steel.
Description
Technical Field
The invention relates to a technology for fixing angle steel in steel-clad beam construction, in particular to an application method of a fixing piece in the steel-clad beam construction process.
Background
In beam steel-clad construction, the angle steel is connected with the angle steel by mainly adopting a method of welding (lap welding or butt welding) of batten plates (steel plates) at present. The method has large construction workload, is limited by site conditions, wastes time and labor, and ensures no welding quality due to limited operation space and more welding points.
Disclosure of Invention
First, technical problem to be solved
In order to solve the problems, the invention provides an application method of the fixing piece in the beam-steel-clad construction process, beam angle steel is welded and fixed through the U-shaped hoop, and the working efficiency and the construction quality can be better improved.
Second, technical scheme
The invention provides an application method of a fixing piece in a beam-clad steel construction process, aiming at overcoming the defects of the prior art,
The application method of the fixing piece U-shaped hoop in the beam-clad steel construction process comprises angle steel to be fixed, the U-shaped hoop for fixing, a chemical anchor bolt and the like.
The invention is realized by the following technical scheme:
1. an application method of a fixing piece in a beam-clad steel construction process is characterized in that:
the first step is as follows: preparing angle steel for fixing, a U-shaped hoop for fixing, a chemical anchor bolt and other construction articles.
The second step is that: and (4) chiseling off a mortar painting layer on the surface of the steel-clad structural member, and grinding off a concrete floating layer on the surface of the member until a solid new structural surface is completely exposed. Meanwhile, beam corners are rounded, and the rounding radius is more than or equal to 7 mm.
The third step: after the structural member is subjected to polishing and other treatments, drying treatment is carried out according to the actual situation on site, and the water content of the concrete surface is not more than 4% and not more than 6%.
The fourth step: and (4) polishing the bonding surface of the steel, and performing rust removal, oxidation removal and rough treatment. And (5) polishing off the corrosion layer by using a grinding wheel polisher. The larger the sanding roughness, the better, after which the wipe is clean. The anchor bolt to be fixed is pre-perforated at the corresponding position.
The fifth step: the prepared fixed angle steel is tightly attached to the original structural beam surface as much as possible (the gap is controlled to be about 3-5 mm).
And a sixth step: and fixing the angle steel by using a fixing piece U-shaped hoop.
A seventh section: the U-shaped hoop is fixed on the beam by using a chemical anchor bolt (if the junction of the plate bottom and the beam also has angle steel, the U-shaped hoop can be welded and fixed on the angle steel, and the beam side and the beam bottom can be fixed by using the chemical anchor bolt).
Eighth step: and sealing the edges of the angle steel, the U-shaped hoop and the original structure by using a sealing glue.
The ninth step: should carry out roughening treatment on the surface of the section steel after the steel cladding is finished
2. Preferably, the angle steel is fixed by a U-shaped hoop.
3. Preferably, the U-shaped hoop is reliably connected with the beam by adopting a chemical anchor bolt (if angle steel is arranged at the junction of the plate bottom and the beam, the U-shaped hoop can be welded with the angle steel).
4. Preferably, the chemical anchor is an M10 chemical anchor.
Third, beneficial effect
Compared with the prior art, the invention has the beneficial effects that:
(1) the angle steel is fixed by the U-shaped hoops instead of the batten plates (steel plates), so that welding points during the fixing of the angle steel are effectively reduced, and the increase of workload caused by the size deviation of the batten plates (steel plates) when the angle steel is connected and welded by the batten plates (steel plates) in a butt joint mode is avoided;
(2) the invention is not limited by site conditions, and has wide application range and high practicability;
(3) the invention saves time and labor in the construction process, and improves the working efficiency;
(4) the invention is not limited by the operation space, has fewer welding points, ensures the welding quality and improves the reinforcing effect.
(5) Compared with the traditional method, the method greatly reduces the construction workload and accelerates the construction progress.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an embodiment of the present invention.
In the figure, ①, angle iron, ②, a U-shaped hoop, ③ and a chemical anchor bolt are arranged.
Detailed Description
An application method of a fixing piece in a beam-clad steel construction process is characterized in that:
preparing construction articles such as angle steel ① to be fixed, a U-shaped hoop ② for fixing, a chemical anchor bolt ③ and the like;
the second step is that: and (4) chiseling off a mortar painting layer on the surface of the steel-clad structural member, and grinding off a concrete floating layer on the surface of the member until a solid new structural surface is completely exposed. Meanwhile, beam corners are rounded, and the rounding radius is more than or equal to 7 mm.
The third step: after the structural member is subjected to polishing and other treatments, drying treatment is carried out according to the actual situation on site, and the water content of the concrete surface is not more than 4% and not more than 6%.
The fourth step: and (4) polishing the bonding surface of the steel, and performing rust removal, oxidation removal and rough treatment. And (5) polishing off the corrosion layer by using a grinding wheel polisher. The larger the sanding roughness, the better, after which the wipe is clean. The anchor bolt to be fixed is pre-perforated at the corresponding position.
Fifthly, the prepared fixed angle steel ① is attached to the beam surface of the original structure as close as possible (the gap is controlled to be about 3-5 mm).
And sixthly, wrapping and fixing the angle steel ① by using a fixing piece U-shaped hoop ②.
And seventhly, fixing the U-shaped hoop ② on the beam by using chemical anchors ③ (if the intersection of the plate bottom and the beam also comprises angle steel ①, the U-shaped hoop ② can be welded and fixed on the angle steel ①, and the beam side and the beam bottom can be fixed by using chemical anchors ③).
And step eight, sealing the angle steel ① and the U-shaped hoop ② with the original structure by using sealing glue.
The ninth step: should carry out roughening treatment on the surface of the section steel after the steel cladding is finished
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An application method of a fixing piece in a beam-clad steel construction process is characterized in that:
the first step is as follows: preparing angle steel for fixing, a U-shaped hoop for fixing, a chemical anchor bolt and other construction articles.
The second step is that: and (4) chiseling off a mortar painting layer on the surface of the steel-clad structural member, and grinding off a concrete floating layer on the surface of the member until a solid new structural surface is completely exposed.
The third step: after the structural member is subjected to polishing and other treatments, drying treatment is carried out according to the actual situation on site, and the water content of the concrete surface is not more than 4% and not more than 6%.
The fourth step: and (4) polishing the bonding surface of the steel, and performing rust removal, oxidation removal and rough treatment. And (5) polishing off the corrosion layer by using a grinding wheel polisher. The larger the sanding roughness, the better, after which the wipe is clean. The anchor bolt to be fixed is pre-perforated at the corresponding position.
The fifth step: the prepared fixed angle steel is tightly attached to the original structural beam surface as much as possible (the gap is controlled to be about 3-5 mm).
And a sixth step: and fixing the angle steel by using a fixing piece U-shaped hoop.
A seventh section: the U-shaped hoop is fixed on the beam by using a chemical anchor bolt (if the junction of the plate bottom and the beam also has angle steel, the U-shaped hoop can be welded and fixed on the angle steel, and the beam side and the beam bottom can be fixed by using the chemical anchor bolt).
Eighth step: and sealing the edges of the angle steel, the U-shaped hoop and the original structure by using a sealing glue.
The ninth step: and roughening the surface of the section steel after the steel is wrapped.
2. The method of applying the fastener of claim 1 in a steel-in-beam construction process, wherein: the angle steel is fixed by a U-shaped hoop.
3. The method of applying the fastener of claim 1 in a steel-in-beam construction process, wherein: the U-shaped hoop is reliably connected with the beam by adopting a chemical anchor bolt (if angle steel is arranged at the junction of the plate bottom and the beam, the U-shaped hoop can be welded with the angle steel).
4. The method of applying the fastener of claim 1 in a steel-in-beam construction process, wherein: the chemical anchor bolt adopts an M10 chemical anchor bolt.
5. The beam corner rounding of claim 1, wherein: the rounding radius is more than or equal to 7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545657.0A CN111236680A (en) | 2018-11-29 | 2018-11-29 | Angle steel and angle steel fixing technology in beam steel-clad construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545657.0A CN111236680A (en) | 2018-11-29 | 2018-11-29 | Angle steel and angle steel fixing technology in beam steel-clad construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111236680A true CN111236680A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545657.0A Pending CN111236680A (en) | 2018-11-29 | 2018-11-29 | Angle steel and angle steel fixing technology in beam steel-clad construction |
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| CN (1) | CN111236680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802877A (en) * | 2021-10-20 | 2021-12-17 | 北京京诚华宇建筑设计研究院有限公司 | Angle steel reinforcing structure outside reinforced concrete beam and method thereof |
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| US20030110733A1 (en) * | 2001-12-19 | 2003-06-19 | Grace Nabil F. | Ductile hybrid structural fabric |
| CN102251683A (en) * | 2011-05-23 | 2011-11-23 | 国核电力规划设计研究院重庆有限公司 | Reinforced concrete beam strengthening member |
| CN202954576U (en) * | 2012-11-16 | 2013-05-29 | 南京工业大学 | Steel truss part restraint reinforced concrete roof beam reinforced structure |
| CN203383522U (en) * | 2013-08-09 | 2014-01-08 | 张旭伟 | Reinforcing beam column joint |
| CN203669205U (en) * | 2014-01-02 | 2014-06-25 | 常州工程职业技术学院 | Steel-encased composite beam |
| CN105604342A (en) * | 2016-01-07 | 2016-05-25 | 扬州工业职业技术学院 | Comprehensive reinforcing method for T-shaped beam of reinforced concrete frame |
| CN105952179A (en) * | 2016-06-01 | 2016-09-21 | 兰州理工大学 | Bonding prestress reinforced concrete girder reinforced through pre-tensioning method and reinforcing method |
-
2018
- 2018-11-29 CN CN201811545657.0A patent/CN111236680A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030110733A1 (en) * | 2001-12-19 | 2003-06-19 | Grace Nabil F. | Ductile hybrid structural fabric |
| CN102251683A (en) * | 2011-05-23 | 2011-11-23 | 国核电力规划设计研究院重庆有限公司 | Reinforced concrete beam strengthening member |
| CN202954576U (en) * | 2012-11-16 | 2013-05-29 | 南京工业大学 | Steel truss part restraint reinforced concrete roof beam reinforced structure |
| CN203383522U (en) * | 2013-08-09 | 2014-01-08 | 张旭伟 | Reinforcing beam column joint |
| CN203669205U (en) * | 2014-01-02 | 2014-06-25 | 常州工程职业技术学院 | Steel-encased composite beam |
| CN105604342A (en) * | 2016-01-07 | 2016-05-25 | 扬州工业职业技术学院 | Comprehensive reinforcing method for T-shaped beam of reinforced concrete frame |
| CN105952179A (en) * | 2016-06-01 | 2016-09-21 | 兰州理工大学 | Bonding prestress reinforced concrete girder reinforced through pre-tensioning method and reinforcing method |
Non-Patent Citations (1)
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| 任萍等: "现代建筑结构加固技术及其应用 ", 《平顶山工学院学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113802877A (en) * | 2021-10-20 | 2021-12-17 | 北京京诚华宇建筑设计研究院有限公司 | Angle steel reinforcing structure outside reinforced concrete beam and method thereof |
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Application publication date: 20200605 |