CN203783176U - Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam - Google Patents
Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam Download PDFInfo
- Publication number
- CN203783176U CN203783176U CN201420124236.1U CN201420124236U CN203783176U CN 203783176 U CN203783176 U CN 203783176U CN 201420124236 U CN201420124236 U CN 201420124236U CN 203783176 U CN203783176 U CN 203783176U
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- carbon fiber
- vierendeel girder
- fiber sheet
- fiber plate
- plate
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- Expired - Lifetime
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 103
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 103
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 238000010276 construction Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 17
- 244000261422 Lysimachia clethroides Species 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 4
- 238000007788 roughening Methods 0.000 description 4
- 208000034189 Sclerosis Diseases 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model relates to a carbon fiber sheet reinforced structure for the lateral tensioning prestress of a frame beam. The structure comprises a frame beam which is horizontally arranged between two frame columns, wherein a carbon fiber sheet is stuck on the lower surface of the frame beam, two ends of the carbon fiber sheet are fixed on an included angle between the lower surface of the frame beam and the inner surfaces of the frame columns through a fixed part and an L-shaped steel anchor plate, at least two steel backing plates are arranged between the carbon fiber sheet and the frame beam, the steel backing plates are stuck on the lower surface of the frame beam, and U-shaped steel plates for upwards tensioning the carbon fiber sheet are respectively arranged on the two sides of each steel base plate. The structure is novel and unique in design, and simple and rapid, the carbon fiber sheet is tensioned and anchored easily and reliably, zero-clearance sticking of the carbon fiber sheet with the frame beam to be fastened is easily realized, the high performance of the carbon fiber sheet is better utilized for exerting the high level of prestress on the frame beam, and the purpose of reinforcement is achieved.
Description
Technical field
The utility model belongs to civil engineering structure reinforcing technique field, relates in particular to a kind of Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction.
Background technology
In recent years, adopt carbon fiber plate to apply to structure the technology that prestressing force carries out strengthen and paid attention to, formed the pre-stressed carbon fiber sheet material reinforcing technique of unique feature.The advantage of this technology is to have brought into play the high-strength performance of carbon fiber plate, structure is applied active prestress and has improved consolidation effect simultaneously; The stress that has changed passive carrying after direct stickup, significantly improves the effective rate of utilization of material; For beam-type member, can significantly improve its cracking resistance moment of flexure, delay crack appearance, suppress both crannied development, significantly reduce crack width, thereby improve the normal usage energy of structure.
At present, the method for applying prestressing force of existing multiple longitudinal stretch-draw carbon fiber plate, its common feature is to apply longitudinal stretching force to carbon fiber plate, this not only needs to carry out the reliable anchoring of carbon fiber plate end (containing stretching end and fixed end), also need to provide support for stretching construction longitudinal counterforce device of stretching force, thereby make whole prestressed stretch-draw composing system complexity, reduced stretching construction efficiency.
Utility model content
The utility model, in order to solve weak point of the prior art, provides the Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material that a kind of processing effect is good, reliability is high, stretching construction efficiency is high ruggedized construction.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction, comprise that level is located at two Vierendeel girders 20 between frame column 30, described Vierendeel girder 20 soffits are pasted with carbon fiber plate 1, the two ends of carbon fiber plate 1 are fixed on the angle between Vierendeel girder 20 soffits and frame column 30 inner surfaces by fixture and L-type steel anchor slab 2, between carbon fiber plate 1 and Vierendeel girder 20, be provided with at least two billets 3, billet 3 is bonded in Vierendeel girder 20 soffits, the both sides of every billet 3 are respectively equipped with one by the upwards U-shaped steel plate 4 of stretch-draw of carbon fiber plate 1.
Described fixture comprises that direct punching is embedded in one group of first chemical anchor bolts 6 of Vierendeel girder 20 bottom surfaces, end and frame column side.
Described fixture is one group of steel band 15 welding with L-type steel anchor slab 2, punches and buried underground and be fixed on Vierendeel girder 20 end sides and frame column 30 sides by the second chemical anchor bolts 7 on steel band 15.
Described Vierendeel girder 20 upper surfaces are vertically provided with gooseneck 8, and gooseneck 8 is connected upwards tensioning carbon fiber plate 1 with the upper end of U-shaped steel plate 4 by the first fastening bolt 9.
Described Vierendeel girder 20 upper surfaces are provided with floor 40, and pre-buried the second fastening bolt 10, the second fastening bolts 10 of floor 40 bottom surface upward perforatings are connected tensioning carbon fiber plate 1 with U-shaped steel plate 4 upper ends.
All be processed into arc smooth transition face with L-type steel anchor slab 2, billet 3, the seamed edge of U-shaped steel plate 4 assemblies, corner angle portion that carbon fiber plate 1 surface directly contacts.
Concrete reinforcement means of the present utility model is by the following technical solutions:
The transverse stretching pre-stressed carbon fiber sheet material reinforcement means of Vierendeel girder, comprises following concrete steps:
A, first carbon fiber plate 1 two ends are pasted and are fixed on L-type steel anchor slab 2, and then L-type steel anchor slab 2 is installed to the angle being fixed between Vierendeel girder 20 soffits and frame column 30 medial surfaces;
B, the horizontal carbon fiber plate 1 of tension are downwards filled at least two billets 3 between carbon fiber plate 1 upper surface and Vierendeel girder 20 soffits, the upper surface of billet 3 are bonded and fixed on the soffit of Vierendeel girder 20;
C, in the bilateral symmetry of each billet 3, an opening up U-shaped steel plate 4 is set, upwards one or many synchronous horizontal upwards pulls U-shaped steel plate 4, and carbon fiber plate 1 is adjacent to after Vierendeel girder 20 soffits, and U-shaped steel plate 4 is fixed on Vierendeel girder 20.
Described steps A specifically comprises the following steps,
(1), use steel plate processing and fabricating L-type steel anchor slab 2, L-type steel anchor slab 2 total lengths are by after carbon fiber plate 1 and steel plate bonding, again with the concrete binding of Vierendeel girder 20 bottom surfaces, end and frame column 30 medial surfaces and fix reliably to bear carbon fiber plate 1 stretching force by fixture and determined;
Fixture adopts following arbitrary form: directly punching is embedded in one group of first chemical anchor bolts 6 of Vierendeel girder 20 bottom surfaces, end and frame column side; One group of steel band 15 welding with L-type steel anchor slab 2 punches and is buried underground and be fixed on Vierendeel girder 20 end sides and frame column 30 sides by the second chemical anchor bolts 7 on steel band 15;
While adopting steel band 15 additional the second chemical anchor bolts 7 form, should clean and roughening processing steel band 15 and the contact surface of Vierendeel girder 20, frame column 30 in advance;
(2), the location of carbon fiber plate 1 sticking area is with clean: indicate carbon fiber plate 1 sticking area in L-type steel anchor slab 2, Vierendeel girder 20 bottom surfaces and frame column 30 medial surface line, and carry out roughening punishment, carry out cleaning, then brushing primer layer by alcohol wipe;
(3), carbon fiber plate to be tensioned 1 is fixing: the carbon fiber plate of cutting moulding 1 is paved to placement, and two ends gluing and L-type steel anchor slab 2 are bonded together; Concrete surface gluing in L-type steel anchor slab 2 size ranges, the first chemical anchor bolts 6 are buried in punching underground or the second chemical anchor bolts 7 are fixed L-type steel anchor slab 2.
In described step B, adopt the thickness of determining with the following method billet 3: according to the tension control prestress value of design, calculate carbon fiber plate initial length
l 0stretch value
; Then in conjunction with carbon fiber plate 1 initial length in billet 3 and U-shaped steel plate 4 installation processes
l 0change in length, calculate the thickness of billet 3
h.
Described step C specifically comprises the following steps,
(1), set a roof beam in place 20 for the independent blocks not being connected with floor 40, need be at the default gooseneck 8 of Vierendeel girder 20 upper surfaces, gooseneck 8 is connected upwards tensioning carbon fiber plate 1 with the upper end of U-shaped steel plate 4 by the first fastening bolt 9; For the frame-generic beam 20 being connected with floor 40, need be connected tensioning carbon fiber plate 1 with U-shaped steel plate 4 at pre-buried the second fastening bolt 10, the second fastening bolts 10 of the floor of Vierendeel girder 20 both sides 40 bottom surface upward perforatings;
(2), repeatedly synchronous symmetric transverse is upwards strained in carbon fiber plate 1 process, stretch-draw next time need treat that last stretch-draw anchor and carbon fiber plate 1 adhesive glue sclerosis carry out after reaching design strength again;
(3), before tensioning carbon fiber plate 1, should be on the primer layer of the adhesive surface of Vierendeel girder 20, frame column 30 brushing glue line; After carbon fiber plate 1 tensioning, then it is continuous to carry out roller bearing pressing, after-teeming bonded adhesives work, guarantees the reliable bonding of carbon fiber plate 1 and Vierendeel girder 20, frame column 30.
Adopt L-type steel plate pre-stressed carbon fiber sheet material to be anchored on the medial surface of Vierendeel girder bottom surface and frame column, adopt the mode of laterally straining carbon fiber plate downwards, directly fill in billet at carbon fiber plate and Vierendeel girder bottom surface, laterally upwards strain carbon fiber plate by U-shaped steel plate again and carry out secondary transverse stretching, on Vierendeel girder, set up its reliable prestressing force.Make carbon fiber plate stretching construction simple and reliable, the more longitudinal stretch-draw of stretching force significantly reduces; Save the operations such as plant equipment and assembling and disassembling thereof such as use hydraulic jack, saved strengthening construction expense.
The utility model compared with the existing technology has the following advantages:
(1), after the utility model is bonded as one carbon fiber plate and L-type steel anchor slab, be pasted together with Vierendeel girder, the frame column of its end again, then be embedded in the crab-bolt anchoring on Vierendeel girder, frame column by punching, greatly improved the end anchorage reliability of carbon fiber plate.
(2), the utility model adopts secondary transverse stretching method, first adopts laterally tension carbon fiber plate downwards to fill in billet, makes carbon fiber plate obtain initial tension stress; Then upwards strain carbon fiber plate by the synchronous symmetric transverse of U-shaped steel plate one or many, billet secondary is played and support the effect that carbon fiber plate stretches; The utilization of billet is ingenious rationally, becomes one of key component of the utility model technology.
(3), U-shaped steel plate of the present utility model both played the effect of horizontal tension carbon fiber plate, can have again the function of the shear-carrying capacity that improves Vierendeel girder concurrently, thereby realize the multiple-effect utilization of material.
(4), horizontal tightening force of the present utility model is only the micro-component of longitudinal stretching force, can adopt simple bolton to be realized, and greatly reduces stretching construction difficulty.
In sum, the utility model unique, simple and fast novel in design, be easy to realize the reliable stretch-draw anchor of carbon fiber plate and with treat reinforcing frame set a roof beam in place zero clearance paste, utilize preferably the high-strength performance of carbon fiber plate and Vierendeel girder applied to the prestressing force of higher level, having reached the object of strengthen.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment mono-;
Fig. 2 be in Fig. 1 A to view;
Fig. 3 be in Fig. 1 B to view;
Fig. 4 is the structural representation of U-shaped steel plate in Fig. 1;
Fig. 5 is the top view of Fig. 4;
Fig. 6 is that in the utility model, fixture adopts steel band and the second chemical anchor bolts to be fixed the structural representation of connection status;
Fig. 7 is that C in Fig. 6 is to view;
Fig. 8 is that D in Fig. 6 is to view;
Fig. 9 is the structural representation of the utility model embodiment bis-.
Detailed description of the invention
Embodiment mono-: as Figure 1-Figure 8, Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction of the present utility model, comprise that level is located at two Vierendeel girders 20 between frame column 30, described Vierendeel girder 20 soffits are pasted with carbon fiber plate 1, the two ends of carbon fiber plate 1 are fixed on the angle between Vierendeel girder 20 soffits and frame column 30 inner surfaces by fixture and L-type steel anchor slab 2, between carbon fiber plate 1 and Vierendeel girder 20, be provided with at least two billets 3, billet 3 is bonded in Vierendeel girder 20 soffits, the both sides of every billet 3 are respectively equipped with one by the upwards U-shaped steel plate 4 of stretch-draw of carbon fiber plate 1.
Fixture comprises that direct punching is embedded in one group of first chemical anchor bolts 6 of Vierendeel girder 20 bottom surfaces, end and frame column side.Fixture or be one group of steel band 15 welding with L-type steel anchor slab 2, punching bury underground and be fixed on Vierendeel girder 20 end sides and frame column 30 sides by the second chemical anchor bolts 7 on steel band 15.
Vierendeel girder 20 upper surfaces are vertically provided with gooseneck 8, and gooseneck 8 is connected upwards tensioning carbon fiber plate 1 with the upper end of U-shaped steel plate 4 by the first fastening bolt 9.
All be processed into arc smooth transition face with L-type steel anchor slab 2, billet 3, the seamed edge of U-shaped steel plate 4 assemblies, corner angle portion that carbon fiber plate 1 surface directly contacts.
The construction method of Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction, comprises following concrete steps:
A, first carbon fiber plate 1 two ends are pasted and are fixed on L-type steel anchor slab 2, and then L-type steel anchor slab 2 is installed to the angle being fixed between Vierendeel girder 20 soffits and frame column 30 medial surfaces;
B, the horizontal carbon fiber plate 1 of tension are downwards filled at least two billets 3 between carbon fiber plate 1 upper surface and Vierendeel girder 20 soffits, the upper surface of billet 3 are bonded and fixed on the soffit of Vierendeel girder 20;
C, in the bilateral symmetry of each billet 3, an opening up U-shaped steel plate 4 is set, U-shaped steel plate 4 two ends are provided with installing hole 50, upwards one or many synchronous horizontal upwards pulls U-shaped steel plate 4, and carbon fiber plate 1 is adjacent to after Vierendeel girder 20 soffits, and U-shaped steel plate 4 is fixed on Vierendeel girder 20.
Described steps A specifically comprises the following steps:
(1), use steel plate processing and fabricating L-type steel anchor slab 2, L-type steel anchor slab 2 total lengths are by after carbon fiber plate 1 and steel plate bonding, again with the concrete binding of Vierendeel girder 20 bottom surfaces, end and frame column 30 medial surfaces and fix reliably to bear carbon fiber plate 1 stretching force by fixture and determined;
Fixture in Fig. 1 adopts following form: directly punching is embedded in one group of first chemical anchor bolts 6 of Vierendeel girder 20 bottom surfaces, end and frame column side; Certainly, fixture also can adopt the form of structure as shown in Fig. 6-8: one group of steel band 15 welding with L-type steel anchor slab 2 punches and is buried underground and be fixed on Vierendeel girder 20 end sides and frame column 30 sides by the second chemical anchor bolts 7 on steel band 15;
While adopting steel band 15 additional the second chemical anchor bolts 7 form, should clean and roughening processing steel band 15 and the contact surface of Vierendeel girder 20, frame column 30 in advance;
(2), the location of carbon fiber plate 1 sticking area is with clean: indicate carbon fiber plate 1 sticking area in L-type steel anchor slab 2, Vierendeel girder 20 bottom surfaces and frame column 30 medial surface line, and carry out roughening punishment, carry out cleaning, then brushing primer layer by alcohol wipe;
(3), carbon fiber plate to be tensioned 1 is fixing: the carbon fiber plate of cutting moulding 1 is paved to placement, and two ends gluing and L-type steel anchor slab 2 are bonded together; Concrete surface gluing in L-type steel anchor slab 2 size ranges, the first chemical anchor bolts 6 are buried in punching underground or the second chemical anchor bolts 7 are fixed L-type steel anchor slab 2.
In step B, adopt the thickness of determining with the following method billet 3: according to the tension control prestress value of design, calculate carbon fiber plate initial length
l 0stretch value
; Then in conjunction with carbon fiber plate 1 initial length in billet 3 and U-shaped steel plate 4 installation processes
l 0change in length, calculate the thickness of billet 3
h.
Billet 3 in Fig. 1 arranges two, taking two billets 3 as example,
l 0=2
l 10+
l 20+ 2
l 30, wherein
l 10for billet 3 is to the horizontal range between L-type steel anchor slab 2,
l 20be two horizontal ranges between billet 3,
l 30for the width of billet 3.
Four U-shaped steel plates 4 in the present embodiment are synchronously strained, the thickness of billet 3
h=
/ 4.
In order to improve the prestressing force effect of Vierendeel girder 20 span centre sections, also can take substep tension method: first U-shaped both sides steel plate 4 is synchronously strained, treated carbon fiber plate 1 in left and right two
l 10with
l 30the sclerosis of section glue reaches after design strength, then two U-shaped steel plates 4 of synchronous tension inner side; The now thickness of billet 3
h=(
1+
2)/2(wherein
1for length 2
l 10+
l 20+ 2
l 30the stretch value of carbon fiber plate 1,
2for length
l 20the stretch value of carbon fiber plate).
Step C specifically comprises the following steps:
(1), shown in Fig. 1 is Vierendeel girder 20 independently, need be at the default gooseneck 8 of Vierendeel girder 20 upper surfaces, and gooseneck 8 is connected upwards tensioning carbon fiber plate 1 with the upper end of U-shaped steel plate 4 by the first fastening bolt 9;
(2), repeatedly synchronous symmetric transverse is upwards strained in carbon fiber plate 1 process, stretch-draw next time need treat that last stretch-draw anchor and carbon fiber plate 1 adhesive glue sclerosis carry out after reaching design strength again;
(3), before tensioning carbon fiber plate 1, should be on the primer layer of the adhesive surface of Vierendeel girder 20, frame column 30 brushing glue line; After carbon fiber plate 1 tensioning, then it is continuous to carry out roller bearing pressing, after-teeming bonded adhesives work, guarantees the reliable bonding of carbon fiber plate 1 and Vierendeel girder 20, frame column 30.
Embodiment bis-: as shown in Figure 9, the difference of this embodiment and embodiment mono-is, Vierendeel girder 20 upper surfaces are provided with floor 40, and pre-buried the second fastening bolt 10, the second fastening bolts 10 of floor 40 bottom surface upward perforatings are connected tensioning carbon fiber plate 1 with U-shaped steel plate 4 upper ends.
Above-described embodiment is not done any pro forma restriction to shape of the present utility model, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all belong to the protection domain of technical solutions of the utility model.
Claims (6)
1. Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction, comprise that level is located at the Vierendeel girder (20) between two frame columns (30), it is characterized in that: described Vierendeel girder (20) soffit is pasted with carbon fiber plate (1), the two ends of carbon fiber plate (1) are fixed on the angle between Vierendeel girder (20) soffit and frame column (30) inner surface by fixture and L-type steel anchor slab (2), between carbon fiber plate (1) and Vierendeel girder (20), be provided with at least two billets (3), billet (3) is bonded in Vierendeel girder (20) soffit, the both sides of every billet (3) are respectively equipped with one by the upwards U-shaped steel plate (4) of stretch-draw of carbon fiber plate (1).
2. Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction according to claim 1, is characterized in that: described fixture comprises that direct punching is embedded in one group of first chemical anchor bolts (6) of Vierendeel girder (20) bottom surface, end and frame column side.
3. Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction according to claim 1, it is characterized in that: described fixture be one group with the steel band (15) of L-type steel anchor slab (2) welding, punch and pass through the second chemical anchor bolts (7) and bury underground and be fixed on Vierendeel girder (20) end sides and frame column (30) side steel band (15) is upper.
4. according to the Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction described in claim 1 or 2 or 3, it is characterized in that: described Vierendeel girder (20) upper surface is vertically provided with gooseneck (8), gooseneck (8) is connected upwards tensioning carbon fiber plate (1) with the upper end of U-shaped steel plate (4) by the first fastening bolt (9).
5. according to the Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction described in claim 1 or 2 or 3, it is characterized in that: described Vierendeel girder (20) upper surface is provided with floor (40), floor (40) bottom surface pre-buried the second fastening bolt of upward perforating (10), the second fastening bolt (10) is connected tensioning carbon fiber plate (1) with U-shaped steel plate (4) upper end.
6. according to the Vierendeel girder transverse stretching pre-stressed carbon fiber sheet material ruggedized construction described in claim 1 or 2 or 3, it is characterized in that: be all processed into arc smooth transition face with seamed edge, the corner angle portion of the surperficial L-type steel anchor slab (2) directly contacting of carbon fiber plate (1), billet (3), U-shaped steel plate (4) assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124236.1U CN203783176U (en) | 2014-03-19 | 2014-03-19 | Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124236.1U CN203783176U (en) | 2014-03-19 | 2014-03-19 | Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam |
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| Publication Number | Publication Date |
|---|---|
| CN203783176U true CN203783176U (en) | 2014-08-20 |
Family
ID=51319377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124236.1U Expired - Lifetime CN203783176U (en) | 2014-03-19 | 2014-03-19 | Carbon fiber sheet reinforced structure for transverse tensioning prestress of frame beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714695A (en) * | 2016-02-18 | 2016-06-29 | 沈阳建筑大学 | Anchoring structure for reinforcing T beam FRP |
| CN106437188A (en) * | 2016-08-29 | 2017-02-22 | 武汉建工集团股份有限公司 | Reinforcing method of reinforced concrete structure main beam additionally provided with steel structure box beam |
| JP2019035234A (en) * | 2017-08-10 | 2019-03-07 | 積水化学工業株式会社 | Surface protection construction method for cement hardened body structure and surface protection structure of cement hardened body structure |
| JP2019034266A (en) * | 2017-08-10 | 2019-03-07 | 積水化学工業株式会社 | Method for constructing surface protection of cement hardened body structure, and surface protection structure of cement hardened body structure |
| CN110056125A (en) * | 2019-03-25 | 2019-07-26 | 上海大学 | A kind of Analyses of CFRP-reinforcement of RC Beams |
-
2014
- 2014-03-19 CN CN201420124236.1U patent/CN203783176U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714695A (en) * | 2016-02-18 | 2016-06-29 | 沈阳建筑大学 | Anchoring structure for reinforcing T beam FRP |
| CN106437188A (en) * | 2016-08-29 | 2017-02-22 | 武汉建工集团股份有限公司 | Reinforcing method of reinforced concrete structure main beam additionally provided with steel structure box beam |
| CN106437188B (en) * | 2016-08-29 | 2018-07-31 | 武汉建工集团股份有限公司 | A kind of reinforced concrete structure girder adds the reinforcement means of steel construction box beam |
| JP2019035234A (en) * | 2017-08-10 | 2019-03-07 | 積水化学工業株式会社 | Surface protection construction method for cement hardened body structure and surface protection structure of cement hardened body structure |
| JP2019034266A (en) * | 2017-08-10 | 2019-03-07 | 積水化学工業株式会社 | Method for constructing surface protection of cement hardened body structure, and surface protection structure of cement hardened body structure |
| JP6993811B2 (en) | 2017-08-10 | 2022-01-14 | 積水化学工業株式会社 | Surface protection method for cement hardened structures and surface protection structure for cement hardened structures |
| CN110056125A (en) * | 2019-03-25 | 2019-07-26 | 上海大学 | A kind of Analyses of CFRP-reinforcement of RC Beams |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |