CN106907019A - A kind of joint reinforcing device and its construction method for cross beam - Google Patents
A kind of joint reinforcing device and its construction method for cross beam Download PDFInfo
- Publication number
- CN106907019A CN106907019A CN201710297642.6A CN201710297642A CN106907019A CN 106907019 A CN106907019 A CN 106907019A CN 201710297642 A CN201710297642 A CN 201710297642A CN 106907019 A CN106907019 A CN 106907019A
- Authority
- CN
- China
- Prior art keywords
- phillips
- steel plate
- cross beam
- steel member
- cross
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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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 114
- 239000010959 steel Substances 0.000 claims abstract description 113
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000004567 concrete Substances 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000011505 plaster Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to a kind of joint reinforcing device and its construction method for cross beam, the device is a special Phillips-type steel member, Phillips-type steel member includes cross bottom surface steel plate and polylith side steel plate, side steel plate is respectively arranged on cross bottom surface edges of plate, and the arrangement of all side steel plates forms cross recess；The inner surface of side steel plate is provided with 45 degree of twills, and bottom surface upper surface of steel plate is provided with the longitudinally perpendicular lines with beam；Special steel member is arranged on cross beam node to be reinforced, and is closely connected by high-strength bolt and brush steel bonding glue between steel member and node, realizes improving the purpose of cross beam ultimate bearing capacity of joints and anti-seismic performance.The present invention has the advantages that：Phillips-type steel member form is simple, easy to make, quick construction；Phillips-type steel member can cooperate with reinforced concrete well word beam, form combining structure, effectively improve cross beam ultimate bearing capacity of joints and anti-seismic performance.
Description
Technical field
The present invention relates to a kind of joint reinforcing device and its construction method for cross beam.
Background technology
Cross beam is a kind of structure type developed by steel reinforced concrete two-way slab, and transverse and longitudinal both direction has many beams
It is intersecting, regardless of primary-secondary beam, it is adaptable to which design requirement has the building of larger space, such as meeting room and exhibit halls etc..Cross beam
Belong to two-way power transmission mechanism, elastic support be typically considered at the intersecting lattice point of both direction, stress is complicated here, influence factor compared with
It is many, as the increase of use time is likely to occur damage, in order to improve cross beam bearing capacity and anti-seismic performance, can be using reinforcing
Measure.It is rare specifically designed for cross beam node but existing reinforcement technique is mainly for reinforced beam, post and its node
Bracing means.
The content of the invention
Bearing capacity lifting or seismic hardening problem are made after the cross beam damage that the present invention exists for above-mentioned prior art
Improve, i.e., the technical problems to be solved by the invention are to provide a kind of joint reinforcing device and its construction party for cross beam
Method, makes simple, easy construction, and can effectively improve joints and anti-seismic performance.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of joint reinforcing device for cross beam,
Including Phillips-type steel member, Phillips-type steel member includes cross bottom surface steel plate and polylith side steel plate, side steel plate point
Not She Yu cross bottom surface edges of plate, the arrangement of polylith side steel plate forms cross recess；The inner surface of side steel plate is provided with
45 degree of twills, bottom surface upper surface of steel plate is provided with the longitudinally perpendicular lines with beam；Phillips-type steel member is sheathed on to be reinforced
On criss-cross node.
Further, the cross recess physical dimension of Phillips-type steel member is identical with cross beam sectional dimension.
Further, it is equipped with screw on the side steel plate of Phillips-type steel member.
Further, the steel plate thickness of the Phillips-type steel member is no more than 10mm.
Further, the Phillips-type steel member is bonding by steel bonding glue and concrete at cross beam node, logical
Cross pressurization realization to be brought into close contact, complete to fix by installing high-strength bolt in screw.
For the construction method of the joint reinforcing device of cross beam, comprise the following steps：
（1）Preformed hole is bored on cross beam according to Phillips-type steel member screwhole position, the coat of plaster of stabilization zone cross beam is cut,
Concrete surface is polished, depth is 1 ~ 3mm, grit is blown down to fully totally with compressed air；
（2）The inner surface of steel plate of polishing Phillips-type steel member, side inner surface of steel plate is 45 degree of twills, the upper table of bottom surface steel plate
Face is the longitudinally perpendicular lines with beam, and polishing is until possessing certain degree of roughness so as at Phillips-type steel member and node
Concrete is preferably combined, and is stained with acetone wiped clean with absorbent cotton afterwards；
（3）When condition is permitted, lifting operation is carried out to cross beam node region, it is to avoid secondary loading；
（4）The concrete surface brushing steel bonding glue at node after the inner surface of steel plate of Phillips-type steel member and polishing is then
Phillips-type steel member is enclosed within node, and pressurization is fixed immediately；
（5）The side steel plate and beams of concrete of Phillips-type steel member are passed through with high-strength bolt, and tightens fixation；
（6）One layer 1 is brushed in the steel plate outer surface of Phillips-type steel member:2 cement mortar or corrosion resistant coating, as steel member anti-corrosion
Treatment；
（7）If there is lifting operation before, cross beam node is unloaded, strengthening flow process is completed.
Compared with prior art, the invention has the advantages that：1）Phillips-type steel member form is simple, making side
Just, quick construction；2）Phillips-type steel member can cooperate with reinforced concrete well word beam, form combining structure, effectively carry
Cross beam ultimate bearing capacity of joints high and anti-seismic performance.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the three-view diagram of the Phillips-type steel member of the embodiment of the present invention（It is followed successively by front view, side view, top view）；
Fig. 3 is the Technology Roadmap of the embodiment of the present invention.
In figure：1- cross beams, 2- cross beam nodes, 3- Phillips-type steel members, 4- bottom surfaces steel plate, 5- sides steel plate, 6-
Cross recess, 7- screws, 8- high-strength bolt components.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As illustrated, a kind of joint reinforcing device for cross beam, including a special Phillips-type steel member, cross
Groove profile steel member includes cross bottom surface steel plate and polylith side steel plate, and side steel plate is respectively arranged on the side of cross bottom surface steel plate
Edge, the arrangement of polylith side steel plate forms cross recess；The inner surface of side steel plate is provided with 45 degree of twills, and bottom surface upper surface of steel plate sets
There is longitudinally perpendicular lines with beam and crisscross in the central lines of cross recess；Phillips-type steel member is sheathed on to be waited to reinforce
Criss-cross node on.
Further, the cross recess physical dimension of steel member is identical with cross beam sectional dimension.
Further, it is equipped with screw on the side steel plate of steel member.
Further, the steel plate thickness of the Phillips-type steel member is no more than 10mm.
Further, the Phillips-type steel member is bonding by steel bonding glue and concrete at cross beam node, logical
Cross pressurization realization to be brought into close contact, complete to fix by installing high-strength bolt in screw.
For the construction method of the joint reinforcing device of cross beam, comprise the following steps：
（1）Preformed hole is bored on cross beam according to Phillips-type steel member screwhole position, the coat of plaster of stabilization zone cross beam is cut,
Concrete surface is polished, depth is 1 ~ 3mm, grit is blown down to fully totally with compressed air；
（2）The inner surface of steel plate of polishing Phillips-type steel member, side inner surface of steel plate is 45 degree of twills, the upper table of bottom surface steel plate
Face is the lines longitudinally perpendicular with beam, and polishing is until possessing certain degree of roughness so as to mixed at Phillips-type steel member and node
Solidifying soil is preferably combined, and is stained with acetone wiped clean with absorbent cotton afterwards；
（3）When condition is permitted, lifting operation is carried out to cross beam node region, it is to avoid secondary loading；
（4）The concrete surface brushing steel bonding glue at node after the inner surface of steel plate of Phillips-type steel member and polishing, so
Phillips-type steel member is enclosed within node afterwards, and pressurization is fixed immediately；
（5）The side steel plate and beams of concrete of Phillips-type steel member are passed through with high-strength bolt, and tightens fixation；
（6）One layer 1 is brushed in the steel plate outer surface of Phillips-type steel member:2 cement mortar or corrosion resistant coating, as steel member anti-corrosion
Treatment；
（7）If there is lifting operation before, cross beam node is unloaded, strengthening flow process is completed.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to covering scope of the invention.
Claims (6)
1. a kind of joint reinforcing device for cross beam, it is characterised in that：Including Phillips-type steel member, cross recess shaped steel structure
Part includes cross bottom surface steel plate and polylith side steel plate, and side steel plate is respectively arranged on cross bottom surface edges of plate, owns
The arrangement of side steel plate forms cross recess；The inner surface of side steel plate is provided with 45 degree of twills, and bottom surface upper surface of steel plate is provided with and beam
Longitudinally perpendicular lines；Phillips-type steel member is sheathed on criss-cross node to be reinforced.
2. the joint reinforcing device for cross beam according to claim 1, it is characterised in that：Phillips-type steel member
Cross recess physical dimension is identical with cross beam sectional dimension.
3. the joint reinforcing device for cross beam according to claim 1 and 2, it is characterised in that：Cross recess shaped steel structure
Screw is equipped with the side steel plate of part.
4. the joint reinforcing device for cross beam according to claim 1 and 2, it is characterised in that：The Phillips-type
The steel plate thickness of steel member is no more than 10mm.
5. the joint reinforcing device for cross beam according to claim 1 and 2, it is characterised in that：The Phillips-type
Steel member is bonding by steel bonding glue and concrete at cross beam node, and by pressurizeing, realization is brought into close contact, by screw
Interior installing high-strength bolt completes to fix.
6. according to the construction method of one of the claim 1-5 described joint reinforcing device for cross beam, it is characterised in that：
Comprise the following steps：
（1）Preformed hole is bored on cross beam according to Phillips-type steel member screwhole position, the coat of plaster of stabilization zone cross beam is cut,
Concrete surface is polished, depth is 1 ~ 3mm, grit is blown down to fully totally with compressed air；
（2）The inner surface of steel plate of polishing Phillips-type steel member, side inner surface of steel plate is 45 degree of twills, the upper table of bottom surface steel plate
Face is the longitudinally perpendicular lines with beam, and polishing is until possessing certain degree of roughness so as at Phillips-type steel member and node
Concrete is preferably combined, and is stained with acetone wiped clean with absorbent cotton afterwards；
（3）When condition is permitted, lifting operation is carried out to cross beam node region, it is to avoid secondary loading；
（4）The concrete surface brushing steel bonding glue at node after the inner surface of steel plate of Phillips-type steel member and polishing, so
Phillips-type steel member is enclosed within node afterwards, and pressurization is fixed immediately；
（5）The side steel plate and beams of concrete of Phillips-type steel member are passed through with high-strength bolt, and tightens fixation；
（6）One layer 1 is brushed in the steel plate outer surface of Phillips-type steel member:2 cement mortar or corrosion resistant coating, as steel member anti-corrosion
Treatment；
（7）If there is lifting operation before, cross beam node is unloaded, strengthening flow process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297642.6A CN106907019A (en) | 2017-04-28 | 2017-04-28 | A kind of joint reinforcing device and its construction method for cross beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710297642.6A CN106907019A (en) | 2017-04-28 | 2017-04-28 | A kind of joint reinforcing device and its construction method for cross beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907019A true CN106907019A (en) | 2017-06-30 |
Family
ID=59211040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710297642.6A Pending CN106907019A (en) | 2017-04-28 | 2017-04-28 | A kind of joint reinforcing device and its construction method for cross beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106907019A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201649684U (en) * | 2009-12-24 | 2010-11-24 | 上海勘测设计研究院 | Structure for reinforcing concrete top layer frame |
| JP2011043013A (en) * | 2009-08-24 | 2011-03-03 | Fuji Kentetsu:Kk | Aseismatic reinforcing method and aseismatic reinforcing structure for existing building |
| CN102041902A (en) * | 2010-10-31 | 2011-05-04 | 华丰建设股份有限公司 | Seismic strengthening device for beam column node area |
| JP2012001881A (en) * | 2010-06-14 | 2012-01-05 | Daiwa House Industry Co Ltd | External brace using aseismic reinforcement structure and aseismic reinforcement method |
| CN105464399A (en) * | 2015-12-23 | 2016-04-06 | 沈阳建筑大学建筑设计研究院 | Prefabricated checkered plate steel truss strengthening reinforced concrete frame beam structure and strengthening method |
| CN105756365A (en) * | 2016-03-22 | 2016-07-13 | 武汉大学 | Method for accelerating reinforcement of concrete beam |
| CN106401205A (en) * | 2016-09-06 | 2017-02-15 | 中交第航务工程局有限公司 | Construction method for reinforcement of externally bonded profile steel of reinforced concrete structure |
| CN206707329U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of joint reinforcing device for cross beam |
-
2017
- 2017-04-28 CN CN201710297642.6A patent/CN106907019A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011043013A (en) * | 2009-08-24 | 2011-03-03 | Fuji Kentetsu:Kk | Aseismatic reinforcing method and aseismatic reinforcing structure for existing building |
| CN201649684U (en) * | 2009-12-24 | 2010-11-24 | 上海勘测设计研究院 | Structure for reinforcing concrete top layer frame |
| JP2012001881A (en) * | 2010-06-14 | 2012-01-05 | Daiwa House Industry Co Ltd | External brace using aseismic reinforcement structure and aseismic reinforcement method |
| CN102041902A (en) * | 2010-10-31 | 2011-05-04 | 华丰建设股份有限公司 | Seismic strengthening device for beam column node area |
| CN105464399A (en) * | 2015-12-23 | 2016-04-06 | 沈阳建筑大学建筑设计研究院 | Prefabricated checkered plate steel truss strengthening reinforced concrete frame beam structure and strengthening method |
| CN105756365A (en) * | 2016-03-22 | 2016-07-13 | 武汉大学 | Method for accelerating reinforcement of concrete beam |
| CN106401205A (en) * | 2016-09-06 | 2017-02-15 | 中交第航务工程局有限公司 | Construction method for reinforcement of externally bonded profile steel of reinforced concrete structure |
| CN206707329U (en) * | 2017-04-28 | 2017-12-05 | 福州大学 | A kind of joint reinforcing device for cross beam |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |