CN104389438A - Aseismic strengthening structure and method for concrete column - Google Patents
Aseismic strengthening structure and method for concrete column Download PDFInfo
- Publication number
- CN104389438A CN104389438A CN201410750506.4A CN201410750506A CN104389438A CN 104389438 A CN104389438 A CN 104389438A CN 201410750506 A CN201410750506 A CN 201410750506A CN 104389438 A CN104389438 A CN 104389438A
- Authority
- CN
- China
- Prior art keywords
- concrete column
- hoop
- cfrp strip
- longitudinal
- epoxy resin
- Prior art date
- 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.)
- Granted
Links
Abstract
The invention relates to an aseismic strengthening structure and method for a concrete column. Carbon fiber reinforced battens and metal reinforced hoops are combined for strengthening. The aseismic strengthening structure for the concrete column occupies little space, additional load of the structure is not added, the strengthening effect is remarkable, and the bending resistance, the shearing resistance bearing capability, the ductility and the integrity of the column are effectively improved, so that the anti-seismic property is realized, the construction is simple and fast, and the application range is wide.
Description
Technical field
The invention belongs to technical field of civil engineering, relate to civil engineering structure reinforcing technique field, be specifically related to a kind of seismic hardening mechanism and method of concrete column.
Background technology
In recent years, constantly perfect along with carbon fibre material manufacturing process, the cost of carbon fibre material stabilization works is significantly reduced, based on the material property of its high-strength light, be widely used in aseismatic reinforcement field, be mainly manifested in the following aspects: vertical horizontal combination affixing carbon fabric can realize the raising of bearing capacity and ductility simultaneously, thus reach the order of seismic hardening, wherein longitudinal carbon cloth is used for resisting larger tensile stress, the development of containment transverse crack, and lateral loops bundle carbon cloth energy operative constraint core concrete, improve shear resistance, keep the globality of shaft, transverse direction or hoop enclose bundle carbon cloth and longitudinally paste the mode of angle steel, be characterized in ductility and the shear resistance that effectively can improve shaft, but to the raising of bending bearing capacity and the containment aspect DeGrain of transverse crack development, and affect due to the Stress resort of carbon cloth, make it be difficult to give full play to high-strength performance.In addition, for the irregular pillar of cross sectional shape (as L shape, T-shaped or cross etc.), laterally paste cloth and cannot play effective effect of contraction.
Summary of the invention
For overcoming above-mentioned defect, the object of the present invention is to provide a kind of seismic hardening mechanism of concrete column.
Another object of the present invention is also the Shockproof reinforcing method providing a kind of concrete column.
For achieving the above object, the present invention adopts following technical scheme:
A kind of seismic hardening mechanism of concrete column, comprise rectangle or circular cross section concrete column, smooth epoxy resin layer, the CFRP strip of vertical and horizontal/hoop, the main stress cylinder that described rectangular cross section concrete column (1) two is relative scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (2) of uniform cementation, downward from concrete column top, or from concrete column bottom upwards, the every horizontal CFRP strip (5) of adjacent two longitudinal carbon fiber board interspace cementations, horizontal CFRP strip and longitudinal CFRP strip upper surface flush, horizontal CFRP strip is fixed with rectangle and closes metal reinforced hoop (3), or the surface of described circular cross section concrete column (1) scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (5) of uniform cementation, downward from the surperficial top of concrete column, or from concrete column bottom upwards, CFRP strip (2) is closed at every adjacent two longitudinal carbon fiber board interspace cementation hoops, hoop closes CFRP strip and longitudinal CFRP strip upper surface flush, closes on CFRP strip be fixed with the metal reinforced hoop of circular closure (3) at hoop.
According to the seismic hardening mechanism of above-mentioned concrete column, described metal reinforced hoop (3) is steel strap, has a fastening port at least, adopts bolton port.
According to the seismic hardening mechanism of above-mentioned concrete column, the thickness of described epoxy resin layer is 1.5 mm ~ 2.3 mm.
According to the seismic hardening mechanism of above-mentioned concrete column, longitudinal CFRP strip (2) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Hoop or horizontal CFRP strip (5) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, spacing 100 mm ~ 300 mm, concrete column both ends hoop or horizontal CFRP strip (5) spacing encrypt 50 mm ~ 100 mm, encryption length >=2 times post cross-section lengths.
A Shockproof reinforcing method for concrete column, comprises the following steps:
A. the mixed rectangular cross section of polishing coagulates the relative uneven place of main stress cylinder of earth pillar (1) two, or polishing circular cross section concrete column (1) surface, clears up, repairs hole, hole;
B. epoxy resin layer is smeared at the relative main stress cylinder of rectangular cross section concrete column (1) two or circular cross section concrete column (1) surface uniform, levelling;
C. after the drying of step b epoxy resin, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (2) of uniform cementation, at adjacent two longitudinal carbon fiber reinforcement interspace cementation transverse direction or hoop carbon fiber board laths (5), make longitudinal CFRP strip (2) and transverse direction or hoop CFRP strip (5) upper surface flush;
D. at described transverse direction or the fixing closed metal reinforced hoop (3) of hoop carbon-fibre strips (5) upper surface;
E. preservative treatment is done to the metal reinforced hoop of steps d (3).
According to the Shockproof reinforcing method of above-mentioned concrete column, the thickness of the epoxy resin layer described in step b is 1.5 mm ~ 2.3 mm.
According to the Shockproof reinforcing method of above-mentioned concrete column, longitudinal carbon fiber reinforcement lath (2) thickness 1 mm ~ 4 mm described in step c, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Hoop or horizontal carbon-fibre strips (5) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, concrete column both ends hoop or horizontal CFRP strip (5) spacing encrypt 50 mm ~ 100 mm, encryption length >=2 times post cross-section lengths.
According to the Shockproof reinforcing method of above-mentioned concrete column, CFRP strip described in step c and cylinder joint, longitudinal CFRP strip (2) adopt carbon fiber bonded adhesives to bond with hoop or horizontal CFRP strip (5) joint, sag≤3 mm during carbon fiber bonded adhesives 40 DEG C.
According to the Shockproof reinforcing method of above-mentioned concrete column, the metal reinforced hoop (3) described in steps d is steel strap, has a fastening port at least, adopts bolton port; Steel bonding glue is adopted to fix with CFRP strip joint.
According to the Shockproof reinforcing method of above-mentioned concrete column, step e preservative treatment comprises rust cleaning, brushing red lead anti-corrosive paint and synthetic enamel step; Described red lead anti-corrosive paint and synthetic enamel brush 2 ~ 3 times respectively, per pass coating layer thickness 25 μm ~ 50 μm, brush at every turn the time interval >=4 h.
positive beneficial effect of the present invention
1. the Shockproof reinforcing method of concrete column of the present invention, adopt CFRP strip and metal reinforced hoop joint reinforcement, hoop or transverse metal reinforce the effect that hoop not only serves the longitudinal CFRP strip of anchoring, and constrain concrete, improve concrete supporting capacity, contained the development of longitudinal crack, thus the multiple-effect achieving material utilizes; Hoop or transverse metal reinforce the anchorage style that hoop adopts bolt and steel bonding glue to combine, and effectively raise adhesion strength, and do not need additionally to apply pressure to metal reinforced hoop in colloid cure stage, effectively simplify construction sequence.Therefore, hoop or transversely strengthening hoop can not only reduce the adverse effect of post angle place concentrated stress effectively, and reinforcement material can be avoided to peel off ahead of time by the acting in conjunction of bolt and steel bonding glue, the Stress resort eliminated between metal reinforced hoop and stirrup affects, and is conducive to metal reinforced hoop and gives full play to performance.
2. the CFRP strip effect that the present invention longitudinally pastes is equivalent to the consolidation effect of multi-storey up-down and translation, decreases stickup number of times, improves efficiency of construction.
3. the seismic hardening mechanism of concrete column of the present invention does not take up space, do not increase the imposed load of structure, consolidation effect is remarkable, effectively raise the bending resistance of pillar, shear resistant capacity, ductility and globality, thus reaching the object improving anti-seismic performance, reinforcement means construction simple and fast, is applicable to the reinforced concrete post that need improve bearing capacity, such as: corrosion post, has wide range of applications.
Accompanying drawing explanation
Fig. 1 is one of seismic hardening mechanism structure schematic diagram of the embodiment of the present invention 1 rectangular section column;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the seismic hardening mechanism structure schematic diagram two of the embodiment of the present invention 1 rectangular section column;
Fig. 4 is the plan structure schematic diagram of Fig. 3;
Fig. 5 is the seismic hardening mechanism structure schematic diagram three of the embodiment of the present invention 1 rectangular section column;
Fig. 6 is the plan structure schematic diagram of Fig. 5;
Fig. 7 is one of seismic hardening mechanism structure schematic diagram of the embodiment of the present invention 2 circular cross-section post;
Fig. 8 is the plan structure schematic diagram of Fig. 7;
Fig. 9 is the seismic hardening mechanism structure schematic diagram two of the embodiment of the present invention 2 circular cross-section post;
Figure 10 is the plan structure schematic diagram of Fig. 9;
Figure 11 is the seismic hardening mechanism structure schematic diagram three of the embodiment of the present invention 2 circular cross-section post;
Figure 12 is the plan structure schematic diagram of Figure 11.
Detailed description of the invention
below in conjunction with some specific embodiments, the present invention is further described.
The meaning of symbology in figure: 1-concrete column, the longitudinal CFRP strip of 2-, the metal reinforced hoop of 3-, 4-bolt, 5-hoop or horizontal CFRP strip.
Embodiment 1
See Fig. 1 ~ 6, a kind of seismic hardening mechanism of concrete column, comprise rectangular cross section concrete column, smooth epoxy resin layer, the CFRP strip of vertical and horizontal, the main stress cylinder that rectangular cross section concrete column 1 two is relative scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip 2 of uniform cementation, downward from concrete column top, or from concrete column bottom upwards, at every horizontal CFRP strip 5 of adjacent two longitudinal carbon fiber board interspace cementations, horizontal CFRP strip and longitudinal CFRP strip upper surface flush, horizontal CFRP strip is fixed with rectangle and closes metal reinforced hoop 3,
Described concrete column be of a size of a ×
b×
h=200 mm × 2000, mm × 250 mm, main stress surface is of a size of
a×
h=200 mm × 2000 mm.
Described longitudinal CFRP strip 2 thickness 1.4 mm, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Horizontal CFRP strip 5 thickness 1.4 mm, width 20 mm ~ 100 mm, concrete column mid portion spacing 100 mm ~ 300 mm, concrete column both ends horizontal CFRP strip 5 hypotelorism (encryption) 50 mm ~ 100 mm, encryption length 400 mm.
According to the seismic hardening mechanism of above-mentioned concrete column, described metal reinforced hoop 3 is steel strap, has two fastening ports, and port adopts bolt to fix.
The Shockproof reinforcing method of above-mentioned concrete column, comprises the following steps:
A. main stress cylinder (two opposites that concrete column 1 two of polishing is relative
a×
h=200 mm × 2000 mm) uneven place, cleaning, hole, repairing hole;
Main stress cylinder relative for concrete column two is polished flat, the concrete that removing top layer is loose, until expose the new face of concrete structure completely, if there is crack or exist larger uneven in surface, the strong repair materials of cementitiousness should be adopted to repair, if destroying has appearred in root concrete, the concrete destroyed should be rejected, fill high-strength mortar, so that CFRP strip and concrete fit tightly;
B. at the main stress cylinder uniform application epoxy resin layer that concrete column 1 two is relative, thickness 2 mm, levelling;
(1) epoxy resin adhesive is prepared;
(2) brush epoxy resin adhesive thickness is even, should not occur the situation that leakage is brushed or thickness is blocked up, repeatedly repeatedly levelling, under preventing colloid from becoming plume;
(3) brush coating takes safeguard procedures after completing, and ensures epoxy gluing agent surface cleaning;
C. after the drying of step b epoxy resin, adopt carbon fiber adhesive glue (sky power letter TLS-500 series carbon fiber reinforced glue) from two relative main stress cylinder upper ends to lower end longitudinal uniform sticking carbon fiber lath 2, paste 6, carbon fiber adhesive glue (sky power letter TLS-500 series carbon fiber reinforced glue) is adopted to paste horizontal CFRP strip 5 at adjacent two longitudinal carbon fiber board interspaces, make longitudinal CFRP strip 2, horizontal CFRP strip 5 upper surface flush, longitudinal CFRP strip 2 adopts carbon fiber adhesive glue (sky power believes TLS-500 series carbon fiber reinforced glue) to bond with horizontal CFRP strip 5 joint,
Described longitudinal CFRP strip 2 thickness 1.4 mm, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Horizontal carbon fiber board 5 thickness 1.4 mm, width 20 mm ~ 100 mm, concrete column mid portion spacing 100 mm ~ 300 mm, concrete column both ends hypotelorism (encryption) 50 mm ~ 100 mm, encryption length 500 mm.
Sag≤3 mm during described carbon fiber adhesive material 40 DEG C
;
D., after step c carbon fiber bonded adhesives solidifies, adopt steel bonding glue (TLS-401 type steel bonding glue) to fix one week closed steel strap 3 along shaft at described horizontal CFRP strip upper surface, steel strap has two fastening ports, with the fastening port of bolt 4;
E. preservative treatment is done to steps d steel strap 3;
Preservative treatment comprises rust cleaning, brushing red lead anti-corrosive paint and synthetic enamel step, and red lead anti-corrosive paint and synthetic enamel brush 3 times respectively, and per pass coating layer thickness is 30 μm, each brushing time interval 5 h.
Specify according to " Code for design of concrete structures " GB50010-2010, the carrying maximal bending moment of unguyed concrete column can adopt following formulae discovery:
If concrete column generation corrosion, specify according to " Code for design of concrete structures " GB50010-2010, adopt the carrying maximal bending moment of following formulae discovery corrosion concrete column:
Reinforce through Shockproof reinforcing method of the present invention, then specify according to " concrete structure reinforcement design specifications " GB50367-2013, the carrying maximal bending moment of concrete column after adopting following formulae discovery to reinforce:
Test result is in table 1.
Embodiment 2
See Fig. 7 ~ 12, numbering identical with embodiment 1 in figure represents identical meaning, does not repeat, and the present embodiment is identical with the general principle of embodiment 1, and described method is identical, some unlike:
A kind of seismic hardening mechanism of concrete column, comprise circular cross section concrete column, smooth epoxy resin layer, longitudinal direction and hoop CFRP strip, the surface of described circular cross section concrete column 1 scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip 5 of uniform cementation, downward from the surperficial top of concrete column, or from concrete column bottom upwards, CFRP strip 2 is closed at every adjacent two longitudinal carbon fiber board interspace cementation hoops, hoop closes CFRP strip and longitudinal CFRP strip upper surface flush, close on CFRP strip at hoop and be fixed with the metal reinforced hoop 3 of circular closure,
Described concrete column radius is 120 mm, height 2000 mm.
Described longitudinal CFRP strip pastes 8.
Described concrete column both ends hoop carbon fiber board stripe pitch encryption, encryption length 480 mm.
Specify according to " Code for design of concrete structures " GB50010-2010, the carrying maximal bending moment of unguyed concrete column can adopt following formulae discovery:
If concrete column generation corrosion of steel bar, specify according to " Code for design of concrete structures " GB50010-2010, corrosion concrete column carrying maximal bending moment adopts following formulae discovery:
After Shockproof reinforcing method of the present invention is reinforced, specify according to " concrete structure reinforcement design specifications " GB50367-2013, the carrying maximal bending moment of concrete column after adopting following formulae discovery to reinforce:
Table 1 concrete column carrying maximal bending moment test result
As can be seen from Table 1: under the effect of specific axis power, after Shockproof reinforcing method of the present invention reinforces rectangular column, bearing power increase 8%; After reinforcing Corroded Reinforced Concrete rectangular column, concrete column bearing power increase 21%, bearing capacity when can return to unattacked after reinforcing, and the raising having 5%.
Under the effect of specific axis power, after Shockproof reinforcing method of the present invention reinforces cylinder, bearing power increase 13%; After reinforcing Corroded Reinforced Concrete cylinder, concrete column bearing power increase 35%, bearing capacity when can return to unattacked after reinforcing, and the raising having 7%.
Claims (10)
1. the seismic hardening mechanism of a concrete column, comprise rectangle or circular cross section concrete column, smooth epoxy resin layer, the CFRP strip of vertical and horizontal/hoop, it is characterized in that, the main stress cylinder that described rectangular cross section concrete column (1) two is relative scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (2) of uniform cementation, downward from concrete column top, or from concrete column bottom upwards, the every horizontal CFRP strip (5) of adjacent two longitudinal carbon fiber board interspace cementations, horizontal CFRP strip and longitudinal CFRP strip upper surface flush, horizontal CFRP strip is fixed with rectangle and closes metal reinforced hoop (3), or the surface of described circular cross section concrete column (1) scribbles smooth epoxy resin layer, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (5) of uniform cementation, downward from the surperficial top of concrete column, or from concrete column bottom upwards, CFRP strip (2) is closed at every adjacent two longitudinal carbon fiber board interspace cementation hoops, hoop closes CFRP strip and longitudinal CFRP strip upper surface flush, closes on CFRP strip be fixed with the metal reinforced hoop of circular closure (3) at hoop.
2. the seismic hardening mechanism of concrete column according to claim 1, is characterized in that, described metal reinforced hoop (3) is steel strap, has a fastening port at least, adopts bolton port.
3. the seismic hardening mechanism of concrete column according to claim 1, is characterized in that, the thickness of described epoxy resin layer is 1.5 mm ~ 2.3 mm.
4. the seismic hardening mechanism of concrete column according to claim 1, is characterized in that, longitudinal CFRP strip (2) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Hoop or horizontal CFRP strip (5) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, spacing 100 mm ~ 300 mm, concrete column both ends hoop or horizontal CFRP strip (5) spacing encrypt 50 mm ~ 100 mm, encryption length >=2 times post cross-section lengths.
5. a Shockproof reinforcing method for concrete column, is characterized in that, comprises the following steps:
A. the mixed rectangular cross section of polishing coagulates the relative uneven place of main stress cylinder of earth pillar (1) two, or polishing circular cross section concrete column (1) surface, clears up, repairs hole, hole;
B. epoxy resin layer is smeared at the relative main stress cylinder of rectangular cross section concrete column (1) two or circular cross section concrete column (1) surface uniform, levelling;
C. after the drying of step b epoxy resin, from scribble epoxy resin layer cylinder top to lower end the longitudinal CFRP strip (2) of uniform cementation, at adjacent two longitudinal carbon fiber reinforcement interspace cementation transverse direction or hoop CFRP strip (5), make longitudinal CFRP strip (2) and transverse direction or hoop CFRP strip (5) upper surface flush;
D. at described transverse direction or the fixing closed metal reinforced hoop (3) of hoop carbon-fibre strips (5) upper surface;
E. preservative treatment is done to the metal reinforced hoop of steps d (3).
6. the Shockproof reinforcing method of concrete column according to claim 5, is characterized in that, the thickness of the epoxy resin layer described in step b is 1.5 mm ~ 2.3 mm.
7. the Shockproof reinforcing method of concrete column according to claim 5, is characterized in that, longitudinal carbon fiber reinforcement lath (2) thickness 1 mm ~ 4 mm described in step c, width 20 mm ~ 100 mm, spacing 20 mm ~ 200 mm; Hoop or horizontal carbon-fibre strips (5) thickness 1 mm ~ 4 mm, width 20 mm ~ 100 mm, concrete column both ends hoop or horizontal CFRP strip (5) spacing encrypt 50 mm ~ 100 mm, encryption length >=2 times post cross-section lengths.
8. the Shockproof reinforcing method of concrete column according to claim 5, it is characterized in that, CFRP strip described in step c and cylinder joint, longitudinal CFRP strip (2) adopt carbon fiber bonded adhesives to bond with hoop or horizontal CFRP strip (5) joint, sag≤3 mm during carbon fiber bonded adhesives 40 DEG C.
9. the Shockproof reinforcing method of concrete column according to claim 5, is characterized in that, the metal reinforced hoop (3) described in steps d is steel strap, has a fastening port at least, adopts bolton port; Steel bonding glue is adopted to fix with CFRP strip joint.
10. the Shockproof reinforcing method of concrete column according to claim 5, is characterized in that, step e preservative treatment comprises rust cleaning, brushing red lead anti-corrosive paint and synthetic enamel step; Described red lead anti-corrosive paint and synthetic enamel brush 2 ~ 3 times respectively, per pass coating layer thickness 25 μm ~ 50 μm, brush at every turn the time interval >=4 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750506.4A CN104389438B (en) | 2014-12-10 | 2014-12-10 | A kind of seismic hardening mechanism of concrete column and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750506.4A CN104389438B (en) | 2014-12-10 | 2014-12-10 | A kind of seismic hardening mechanism of concrete column and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389438A true CN104389438A (en) | 2015-03-04 |
| CN104389438B CN104389438B (en) | 2017-03-01 |
Family
ID=52607390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410750506.4A Active CN104389438B (en) | 2014-12-10 | 2014-12-10 | A kind of seismic hardening mechanism of concrete column and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389438B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569368A (en) * | 2015-12-16 | 2016-05-11 | 桂林理工大学 | Annular steel plate strengthening device for reinforced concrete column with circular cross section |
| CN109025056A (en) * | 2018-08-28 | 2018-12-18 | 南京林业大学 | A kind of raw bamboo confined concrete composite structure |
| CN109238799A (en) * | 2018-09-11 | 2019-01-18 | 东北石油大学 | The carbonate rock plate rock core preparation method that fissured structure finely characterizes |
| CN112124858A (en) * | 2020-09-22 | 2020-12-25 | 九州职业技术学院 | Waste coal mine corridor reinforcing method |
| CN112189076A (en) * | 2018-11-01 | 2021-01-05 | 株式会社Itc咨询 | Reinforcing device for existing structure and accessory equipment mounting device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303018A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Rayon Co Ltd | Concrete structure reinforcing material and concrete structure reinforcing method using the material |
| JPH09151612A (en) * | 1995-12-01 | 1997-06-10 | Kajima Corp | Reinforcing method for reinforced concrete column |
| JPH09250247A (en) * | 1996-03-18 | 1997-09-22 | Mitsubishi Heavy Ind Ltd | Composite material reinforced concrete structural body |
| JPH1058571A (en) * | 1996-05-16 | 1998-03-03 | Toray Ind Inc | Fiber-reinforced plastic reinforcing structure and repairing and reinforcing method for structure |
| JP3050109B2 (en) * | 1995-12-01 | 2000-06-12 | 鹿島建設株式会社 | Reinforcement method for reinforced concrete columns |
| JP2002138344A (en) * | 2000-10-25 | 2002-05-14 | Nippon Mitsubishi Oil Corp | Unidirectional carbon fiber woven fabric, method for producing the same, and reinforced concrete structure |
| CN202731323U (en) * | 2012-09-05 | 2013-02-13 | 常州市武进建设工程有限公司 | Concrete structure reinforced by carbon fiber cloth |
| CN203008229U (en) * | 2013-01-04 | 2013-06-19 | 天津市喜安意建筑技术开发应用有限公司 | Reinforced concrete beam column reinforced by carbon fiber sheets |
| CN203347257U (en) * | 2013-05-13 | 2013-12-18 | 宁波大学 | Anti-seismic reinforcement device for steel reinforced concrete column after fire |
| CN204326568U (en) * | 2014-12-10 | 2015-05-13 | 华北水利水电大学 | A kind of seismic hardening mechanism of concrete column |
-
2014
- 2014-12-10 CN CN201410750506.4A patent/CN104389438B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303018A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Rayon Co Ltd | Concrete structure reinforcing material and concrete structure reinforcing method using the material |
| JPH09151612A (en) * | 1995-12-01 | 1997-06-10 | Kajima Corp | Reinforcing method for reinforced concrete column |
| JP3050109B2 (en) * | 1995-12-01 | 2000-06-12 | 鹿島建設株式会社 | Reinforcement method for reinforced concrete columns |
| JPH09250247A (en) * | 1996-03-18 | 1997-09-22 | Mitsubishi Heavy Ind Ltd | Composite material reinforced concrete structural body |
| JPH1058571A (en) * | 1996-05-16 | 1998-03-03 | Toray Ind Inc | Fiber-reinforced plastic reinforcing structure and repairing and reinforcing method for structure |
| JP2002138344A (en) * | 2000-10-25 | 2002-05-14 | Nippon Mitsubishi Oil Corp | Unidirectional carbon fiber woven fabric, method for producing the same, and reinforced concrete structure |
| CN202731323U (en) * | 2012-09-05 | 2013-02-13 | 常州市武进建设工程有限公司 | Concrete structure reinforced by carbon fiber cloth |
| CN203008229U (en) * | 2013-01-04 | 2013-06-19 | 天津市喜安意建筑技术开发应用有限公司 | Reinforced concrete beam column reinforced by carbon fiber sheets |
| CN203347257U (en) * | 2013-05-13 | 2013-12-18 | 宁波大学 | Anti-seismic reinforcement device for steel reinforced concrete column after fire |
| CN204326568U (en) * | 2014-12-10 | 2015-05-13 | 华北水利水电大学 | A kind of seismic hardening mechanism of concrete column |
Non-Patent Citations (1)
| Title |
|---|
| 孙明杰: "预应力碳纤维布加固钢筋混凝土大偏心受压柱试验研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569368A (en) * | 2015-12-16 | 2016-05-11 | 桂林理工大学 | Annular steel plate strengthening device for reinforced concrete column with circular cross section |
| CN109025056A (en) * | 2018-08-28 | 2018-12-18 | 南京林业大学 | A kind of raw bamboo confined concrete composite structure |
| CN109238799A (en) * | 2018-09-11 | 2019-01-18 | 东北石油大学 | The carbonate rock plate rock core preparation method that fissured structure finely characterizes |
| CN109238799B (en) * | 2018-09-11 | 2020-10-30 | 东北石油大学 | Preparation method of carbonate rock platy rock core with finely characterized crack structure |
| CN112189076A (en) * | 2018-11-01 | 2021-01-05 | 株式会社Itc咨询 | Reinforcing device for existing structure and accessory equipment mounting device |
| CN112124858A (en) * | 2020-09-22 | 2020-12-25 | 九州职业技术学院 | Waste coal mine corridor reinforcing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104389438B (en) | 2017-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389438A (en) | Aseismic strengthening structure and method for concrete column | |
| CN101672110B (en) | Method and structure for enhancing brickwork structure and improving earthquake resistant performance of structure by using carbon fiber | |
| CN104675141B (en) | A kind of FRP pipe constraint cement-base composite material reinforces pillarwork | |
| CN105625197A (en) | Concrete beam bending reinforcing method based on steel plate-prestressed carbon fiber plate | |
| CN106593002B (en) | A kind of historic building structure post and lintel system house composite reinforcing method | |
| CN102644384B (en) | Anchoring device for reinforcing reinforced concrete beam by using FRP (Fiber Reinforce Plastic) strip and using method thereof | |
| CN101245668A (en) | Construction method for two-side reinforcing engineering structure | |
| CN103422576A (en) | Device for reinforcement, energy dissipation and seismic mitigation of tenon and mortise joint of timber structure | |
| CN104895251A (en) | Wraparound type waveform anchor for fiber sheets and pre-tensioning method thereof | |
| CN204326568U (en) | A kind of seismic hardening mechanism of concrete column | |
| CN104775567A (en) | Novel FRP-steel composite force-bearing rib and preparation method thereof | |
| CN103291082A (en) | Wood beam reinforcing body external pre-stress construction method | |
| CN210713360U (en) | Filler wall frame structure of GFRP reinforced flexible connection | |
| CN104481165B (en) | Reinforced beam affixing steel plate pressurization fixing device and reinforcement means | |
| CN207469806U (en) | A kind of FRP reinforced steel concrete plates of the oblique press strip of strap end portion | |
| CN206467899U (en) | A kind of ripple multiple tube seawater sea-sand concrete member | |
| CN204435906U (en) | Planting reinforced bar into concrete device | |
| KR200431041Y1 (en) | Transparency composite panel reinforced with grid and reinforcement structure of construction using the same | |
| CN209412700U (en) | A kind of steel-ultra-high performance concrete combined bridge deck is mated formation seam construction | |
| CN201952977U (en) | Prestressed fiber reinforce plastic (FRP) rebar high-strength concrete board band | |
| CN105735666A (en) | Method for reinforcing concrete column rapidly | |
| CN207455614U (en) | A kind of chimney protective lining | |
| CN111827704A (en) | Reinforced concrete structure and reinforcing method | |
| CN108868189A (en) | A kind of bamboo clappers curved scissors reinforced concrete beam and manufacturing method | |
| CN108487086A (en) | A kind of construction method using prestressed fiber cloth reinforced Reinforced Concrete Pier Column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Guirong Inventor after: Qu Fulai Inventor after: Chen Xiang Inventor after: Yan Leiyuan Inventor after: Xiao Li Inventor after: Zhao Shunbo Inventor before: Qu Fulai Inventor before: Liu Guirong Inventor before: Chen Xiang Inventor before: Yan Leiyuan Inventor before: Xiao Li Inventor before: Zhao Shunbo |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |