CN108914781A - A kind of connection construction technique for welding nail connector combination beam with assembled - Google Patents
A kind of connection construction technique for welding nail connector combination beam with assembled Download PDFInfo
- Publication number
- CN108914781A CN108914781A CN201810882881.2A CN201810882881A CN108914781A CN 108914781 A CN108914781 A CN 108914781A CN 201810882881 A CN201810882881 A CN 201810882881A CN 108914781 A CN108914781 A CN 108914781A
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- China
- Prior art keywords
- assembled
- pedestal
- nail connector
- combination beam
- connector
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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
- 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
Abstract
The present invention discloses a kind of connection construction technique that nail connector combination beam is welded with assembled, includes the following steps：Step 1：Girder steel is made, the pedestal of weldering nail connector is welded on girder steel；Step 2：Girder steel with welding pedestal is transported, is installed to specified Bridge position；Step 3：Precast concrete floorings are lifted on girder steel, so that the reserving hole in concrete is corresponding with the weldering nail base position of connector；Step 4：The screw portion of each weldering nail connector is screwed on the pedestal of weldering nail connector；Step 5：Cement injection sill inside to concrete slab reserving hole；Step 6：Cement-based material in hole is conserved, until reaching design strength requirement.The connection construction technique provided by the invention that nail connector combination beam is welded with assembled can effectively avoid drawback of traditional weldering nail connector in concrete slab construction, improve construction efficiency, increase the bearing capacity of weldering nail connector.
Description
Technical field
The present invention relates to the interconnection technique field in steel performance between steel and concrete, more particularly to
A kind of connection construction technique for welding nail connector combination beam with assembled.
Background technique
Concrete slab is combined with girder steel by weldering nail connector in combination beam, traditional weldering nail connector is in girder steel
There are serious drawbacks when transport and the installation of precast concrete floorings.Weldering nail connector is welded to girder steel and protrudes above one first
An a slender member, in steel beam lifting transport, the collision meeting of beam body takes off even from girder steel so that welding and following closely to deform
It falls, seriously affects the safety of structure.Followed by, the installation of precast slab is played in the elongated weldering nail that girder steel protrudes above
It is extremely difficult that displacement fine tuning is carried out when obstructive action, especially prefabricated bridge are using crane lifting, so that concrete slab is frequent
It is blocked by elongated weldering nail, live construction efficiency is very low.Finally, due to which the factors such as construction error influence, can make prefabricated
Reinforcing bar conflicts with weldering nail enlarged footing generation position during concrete slab is placed into girder steel, it has to weldering nail be cut off, cause to weld
Nail connection bearing capacity substantially reduces.
Summary of the invention
The object of the present invention is to provide a kind of connection construction techniques that nail connector combination beam is welded with assembled, on solving
Problem of the existing technology is stated, drawback of traditional weldering nail connector in concrete slab construction can be effectively avoided,
Construction efficiency is improved, the bearing capacity of weldering nail connector is increased.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of connection construction technique that nail connector combination beam is welded with assembled, includes the following steps：
Step 1：Girder steel is made, the pedestal that assembled welds nail connector is welded on girder steel according to design code position；
Step 2：Girder steel with welding pedestal is transported, is installed to the specified Bridge position of design；
Step 3：Precast concrete floorings are lifted on girder steel, so that the reserving hole in concrete and weldering nail connect
The base position of fitting is corresponding；
Step 4：The screw portion of each weldering nail connector is screwed on the pedestal of weldering nail connector, is formed complete
Weldering nail connector；
Step 5：Cement injection sill inside to concrete slab reserving hole, it is ensured that cement-based material wraps completely
Wrap up in weldering nail；
Step 6：Cement-based material in hole is conserved, until reaching design strength requirement, completes band assembled
The connection construction of weldering nail connector combination beam.
Optionally, the cement-based material good fluidity, intensity is high, and the coefficient of expansion is small.
Optionally, the connector of weldering nail described in step three and four includes pedestal and screw rod, offers indent on the pedestal
Circular groove, be provided with internal screw thread on the inner wall of the circular groove；External screw thread, the outer spiral shell are offered on the side wall of described screw rod one end
Line and the internal screw thread can be cooperatively connected.
Optionally, the base bottom is provided with metal striking point.
Optionally, the metal striking point is the smooth hemispherical configuration in surface.
Optionally, the screw rod is connected with enlarged footing far from described externally threaded one end, and the enlarged footing is greater than for diameter
The cylindrical-shaped structure of the screw diameter.
Optionally, the pedestal is cylindrical-shaped structure, and the circular groove is opened in the pedestal middle and upper part.
The present invention achieves following technical effect compared with the existing technology：
The connection construction technique provided by the invention that nail connector combination beam is welded with assembled, it is easy to operate, it is easy for construction,
It improves work efficiency.Screw and pedestal use detachable screw connection structure, and installation is simple, easy to adjust.The cross of pedestal
Section is big compared with conventional weldering nail section, can effectively improve the shear strength and rigidity of connector, and screw portion is transversal
Face is small compared with conventional weldering nail section, can effectively save material.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that connecting-piece structure schematic diagram is followed closely in present invention weldering；
Wherein, 1 it is pedestal, 2 be screw rod, 3 be metal striking point, 4 is enlarged footing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of connection construction techniques that nail connector combination beam is welded with assembled, on solving
Problem of the existing technology is stated, drawback of traditional weldering nail connector in concrete slab construction can be effectively avoided,
Construction efficiency is improved, the bearing capacity of weldering nail connector is increased.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of connection construction technique that nail connector combination beam is welded with assembled, includes the following steps：
Step 1：Girder steel is made, the pedestal that assembled welds nail connector is welded on girder steel according to design code position,
Welding method is identical as conventional weldering nail connector；
Step 2：Girder steel with welding pedestal is transported, is installed to the specified Bridge position of design；
Step 3：Precast concrete floorings are lifted on girder steel, so that the reserving hole in concrete and weldering nail connect
The base position of fitting is corresponding；
Step 4：The screw portion of each weldering nail connector is screwed on the pedestal of weldering nail connector, is formed complete
Weldering nail connector；
Step 5：Cement injection sill inside to concrete slab reserving hole, it is ensured that cement-based material wraps completely
Weldering nail is wrapped up in, the intensity of cement-based material is greater than the intensity of concrete slab；
Step 6：Cement-based material in hole is conserved, until reaching design strength requirement, completes band assembled
The connection construction of weldering nail connector combination beam.
Specifically, cement-based material uses good fluidity, intensity is high, the small material of the coefficient of expansion.As shown in Figure 1, step
Weldering nail connector includes pedestal 1 and screw rod 2 in three and four, and the circular groove of indent is offered on pedestal 1, is provided on the inner wall of circular groove
Internal screw thread；External screw thread is offered on the side wall of screw rod one end, external screw thread and internal screw thread can be cooperatively connected；The setting of 1 bottom of pedestal
There is the hemispherical metal striking point 3 that surface is smooth.
It is further preferred that screw rod 2 is connected with enlarged footing 4 far from externally threaded one end, enlarged footing 4 is that diameter is greater than screw rod
The cylindrical-shaped structure of 2 diameters.Pedestal 1 is cylindrical-shaped structure, and circular groove is opened in 1 middle and upper part of pedestal.
The invention avoids prior welding weldering nails and steel mesh position collision problem in bridge floor plate holes.Conventional weldering nail connection
Part failure by shear usually occurs in root, and the cross section of assembled weldering nail root pedestal 1 of the present invention is big compared with conventional weldering nail section,
The shear strength and rigidity of connector can be effectively improved, and the cross section of 2 part of screw rod is small compared with conventional weldering nail section, it can
Effectively to save material.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (7)
1. a kind of connection construction technique for welding nail connector combination beam with assembled, it is characterised in that：Include the following steps：
Step 1：Girder steel is made, the pedestal that assembled welds nail connector is welded on girder steel according to design code position；
Step 2：Girder steel with welding pedestal is transported, is installed to the specified Bridge position of design；
Step 3：Precast concrete floorings are lifted on girder steel, so that the reserving hole in concrete and weldering nail connector
Base position it is corresponding；
Step 4：The screw portion of each weldering nail connector is screwed on the pedestal of weldering nail connector, complete weldering nail is formed
Connector；
Step 5：Cement injection sill inside to concrete slab reserving hole, it is ensured that the fully wrapped around weldering of cement-based material
Nail；
Step 6：Cement-based material in hole is conserved, until reaching design strength requirement, completes band assembled weldering nail
The connection construction of connector combination beam.
2. the connection construction technique according to claim 1 for welding nail connector combination beam with assembled, it is characterised in that：Institute
Cement-based material good fluidity is stated, intensity is high, and the coefficient of expansion is small.
3. the connection construction technique according to claim 1 for welding nail connector combination beam with assembled, it is characterised in that：Step
The connector of weldering nail described in rapid three and four includes pedestal and screw rod, and the circular groove of indent is offered on the pedestal, the circular groove
Internal screw thread is provided on inner wall；External screw thread, the external screw thread and the internal screw thread energy are offered on the side wall of described screw rod one end
It is enough to be cooperatively connected.
4. the connection construction technique according to claim 3 for welding nail connector combination beam with assembled, it is characterised in that：Institute
It states base bottom and is provided with metal striking point.
5. the connection construction technique according to claim 4 for welding nail connector combination beam with assembled, it is characterised in that：Institute
Stating metal striking point is the smooth hemispherical configuration in surface.
6. the connection construction technique according to claim 5 for welding nail connector combination beam with assembled, it is characterised in that：Institute
It states screw rod and is connected with enlarged footing far from described externally threaded one end, the enlarged footing is the cylinder that diameter is greater than the screw diameter
Shape structure.
7. the connection construction technique according to claim 6 for welding nail connector combination beam with assembled, it is characterised in that：Institute
Stating pedestal is cylindrical-shaped structure, and the circular groove is opened in the pedestal middle and upper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882881.2A CN108914781B (en) | 2018-08-06 | 2018-08-06 | Connection construction process of combined beam with assembled welding nail connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882881.2A CN108914781B (en) | 2018-08-06 | 2018-08-06 | Connection construction process of combined beam with assembled welding nail connecting piece |
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| Publication Number | Publication Date |
|---|---|
| CN108914781A true CN108914781A (en) | 2018-11-30 |
| CN108914781B CN108914781B (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810882881.2A Active CN108914781B (en) | 2018-08-06 | 2018-08-06 | Connection construction process of combined beam with assembled welding nail connecting piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468708A (en) * | 2019-07-31 | 2019-11-19 | 中铁大桥科学研究院有限公司 | A kind of combined bridge deck structure and its construction method of steel-UHPC prefabricated board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2627526A1 (en) * | 1988-02-19 | 1989-08-25 | Roret Jean | Method for making mixed concrete metal structure - has metal I=beam supporting tensioning members and concrete slab supporting compression member with top covered in at least two zones |
| CN203320417U (en) * | 2013-04-07 | 2013-12-04 | 同济大学 | Composite beam bridge deck structure with replaceable bridge deck slab |
| CN104100004A (en) * | 2013-04-07 | 2014-10-15 | 同济大学 | Steel and concrete combined connecting piece with changeable dual column caps |
| CN205329851U (en) * | 2015-12-22 | 2016-06-22 | 山东科技大学 | Novel bolt collar shear connector |
| CN106088469A (en) * | 2016-07-21 | 2016-11-09 | 曹华 | Confined concrete splitting and the peg shear connector of splitting development |
| CN106835951A (en) * | 2017-03-28 | 2017-06-13 | 宁波金蛟龙重工钢构有限公司 | A kind of replaceable prefabricated assembled combined beam structure and manufacturing process |
-
2018
- 2018-08-06 CN CN201810882881.2A patent/CN108914781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2627526A1 (en) * | 1988-02-19 | 1989-08-25 | Roret Jean | Method for making mixed concrete metal structure - has metal I=beam supporting tensioning members and concrete slab supporting compression member with top covered in at least two zones |
| CN203320417U (en) * | 2013-04-07 | 2013-12-04 | 同济大学 | Composite beam bridge deck structure with replaceable bridge deck slab |
| CN104100004A (en) * | 2013-04-07 | 2014-10-15 | 同济大学 | Steel and concrete combined connecting piece with changeable dual column caps |
| CN205329851U (en) * | 2015-12-22 | 2016-06-22 | 山东科技大学 | Novel bolt collar shear connector |
| CN106088469A (en) * | 2016-07-21 | 2016-11-09 | 曹华 | Confined concrete splitting and the peg shear connector of splitting development |
| CN106835951A (en) * | 2017-03-28 | 2017-06-13 | 宁波金蛟龙重工钢构有限公司 | A kind of replaceable prefabricated assembled combined beam structure and manufacturing process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468708A (en) * | 2019-07-31 | 2019-11-19 | 中铁大桥科学研究院有限公司 | A kind of combined bridge deck structure and its construction method of steel-UHPC prefabricated board |
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|---|---|
| CN108914781B (en) | 2020-02-14 |
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