CN105569349A - Fiber cloth prestress applying device and method - Google Patents
Fiber cloth prestress applying device and method Download PDFInfo
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- CN105569349A CN105569349A CN201511009291.1A CN201511009291A CN105569349A CN 105569349 A CN105569349 A CN 105569349A CN 201511009291 A CN201511009291 A CN 201511009291A CN 105569349 A CN105569349 A CN 105569349A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to a fiber cloth prestress applying device and method. The device comprises fiber cloth, a first clamp, a second clamp, a tensioning platform, a jack, a baffle, a force sensor, a lifting rocking bar and the like, wherein a first stiffening screw rod and a third stiffening screw rod penetrate the end part of the tensioning platform and are fixed to a first supporting seat; a second stiffening screw rod and a fourth stiffening screw rod penetrate the end part of the tensioning platform and are fixed to a second supporting seat; the lifting rocking bar is rotated, so that the tensioning platform is stably lifted up; the two ends of the fiber cloth are wound around a first steel roller and a second steel roller respectively; the second clamp is horizontally arranged on a second bearing table; a fixing screw rod fixes the second clamp to the tensioning platform; the first clamp is horizontally arranged on a first bearing table; a tensioning screw rod penetrates through the tensioning platform to connect the baffle and the force sensor to form a tensioning end; and the baffle is supported by utilizing the jack to apply a prestress to the fiber cloth. According to the fiber cloth prestress applying device and method, the relatively large prestress can be provided and force is uniformly applied to the fiber cloth, so that the fiber cloth is not damaged and the eccentricity problem in a tensioning process is solved.
Description
Technical field
The present invention relates to the technical field utilizing fiber cloth reinforced Structural Engineering, particularly a kind of cloth prestress application apparatus and method.
Background technology
Reinforced concrete structure obtains a wide range of applications in the field such as communications and transportation, industrial construction, and in order to eliminate due to overload, the potential safety hazard that the reasons such as fatigue are brought, must reinforce damaged structure component, extend its application life.
Fibre reinforced composites, because its volume is little, lightweight, intensity is high, corrosion resistance is good, fatigability is strong and the advantage such as easy construction, are widely used in concrete structure reinforcement engineering.But in traditional fibre cloth stabilization works, main employing pastes fiber cloth reinforced method, and this reinforcement means mainly exists following shortcoming: the damage that can not recover original structure in time, changes the distortion of original structure; Can not give full play to the high strength of cloth, integral reinforcing efficiency is low.Prestressed fiber cloth reinforced reinforced concrete structure combine with technique Building Strengthened by FRP Sheets technology and prestressing technique advantage separately, the shortcoming of traditional structure reinforcing technique can be overcome, play the high performance of fibre reinforced composites intensity better, improve the utilization rate of fibre reinforced composites, effectively improve static(al) and the fatigue behaviour of original structure, improve functional performance and the supporting capacity of damaged structure, control critical eigenvalue and distortion, extend its application life.
Indirect method and direct stretching method are mainly to the method for cloth Shi Hanzhang.Indirect method owing to can only provide less prestressing force, and needs specific device, is of little use at Practical Project; And existing direct tension technology construction equipment and construction technology shortcoming more: tensioning equipment is eccentric, and stretching process force is uneven, causes cloth in stretching process to damage, or jig Design is unreasonable, and in stretching process, cloth directly skids off.Generally speaking, existing apparatus and method technology is difficult to obtain the high-prestressed level of cloth, fails to give full play to the advantage of cloth.Therefore, need a kind of new cloth prestress application apparatus and method, larger stress distribution can either be obtained, uniform force application in stretching process, damage can not be caused to cloth, again can the cloth of anchoring very well, prevent stress distribution from losing.
Summary of the invention
The object of the invention is to consider the problems referred to above and a kind of cloth prestress application device is provided.Uniform force application in stretching process of the present invention, damage can not be caused to cloth, again can very well anchoring cloth, prevent stress distribution from losing.
Another object of the present invention is to the method for applying prestressing force that a kind of cloth prestress application device is provided.The present invention can apply the more high-prestressed level of cloth, and solves the eccentricity issues of stretching process appearance.
Technical scheme of the present invention is: the device that pre-stressed fiber cloth of the present invention applies, comprise cloth, first fixture, second fixture, first bolt, second bolt, first steel rider, second steel rider, stretch-draw platform, standing screw, tensioning screw rod, first cushion cap, second cushion cap, jack, baffle plate, force snesor, first puts more energy into screw rod, second puts more energy into screw rod, 3rd puts more energy into screw rod, 4th puts more energy into screw rod, first bearing, second bearing, lifting rocking bar, wherein the first screw rod and the 3rd screw rod of putting more energy into of putting more energy into penetrates the end winding support of stretch-draw platform respectively on the first bearing, second screw rod and the 4th screw rod of putting more energy into of putting more energy into penetrates stretch-draw platform end respectively and is fixed on the second bearing, rotate lifting rocking bar carries out power transmission by transmission mechanism, stretch-draw platform is steadily risen, cloth two ends are wound on the first steel rider and the second steel rider respectively, clamp respectively with the first fixture and the second fixture, and clamp respectively with the first bolt, the second bolt, second fixture is flat on the second cushion cap, and the second fixture is fixed on stretch-draw platform by standing screw, first fixture is flat on the first cushion cap, and baffle plate, force snesor are connected to form stretching end through the reserved stretch-draw hole of stretch-draw platform by tensioning screw rod, utilize jack to withstand baffle plate to cloth Shi Hanzhang.
The method for applying prestressing force of cloth prestressing force tensioning device of the present invention, comprises the following steps:
1) utilize the first steel tank, two ends that the second steel tank is arranged on the first rectangular tube and the second rectangular tube be parallel to each other respectively composition stretch-draw platform;
2) screw rod and the 3rd of putting more energy into first screw rod of putting more energy into penetrates the end of the second rectangular tube and the first rectangular tube respectively, and be fixed on the first bearing, second screw rod and the 4th screw rod of putting more energy into of putting more energy into penetrates the end of the second rectangular tube and the first rectangular tube respectively, and being fixed on the second bearing, screw rod and the 3rd of putting more energy into first screw rod, second screw rod and the 4th screw rod of putting more energy into of putting more energy into of putting more energy into is connected with driving chain respectively;
3) to put more energy into screw arrangement driving wheel at the first screw rod and the 4th of putting more energy into, to put more energy into screw arrangement follower at the second screw rod and the 3rd of putting more energy into;
4) lifting rocking bar is set at the first screw rod and the 4th screw rod of putting more energy into of putting more energy into;
5) rotate lifting rocking bar and rise stretch-draw platform, and carry out leveling;
6) cloth two ends are wound in the first steel rider and the second steel rider respectively, and clamp respectively with the first fixture and the second fixture, utilize the first bolt, the second bolt makes the first fixture respectively and the second clamp;
7) the second fixture is flat on the second cushion cap, utilizes standing screw to be fixed on by the second fixture on the second steel tank of band preformed hole;
8) be placed on the first cushion cap by the first fixture, baffle plate, force snesor are connected to form stretching end by the reserved stretch-draw hole utilizing tensioning screw rod to pass the first steel tank.
9) utilize jack to withstand baffle plate, pull tensioning screw rod, to cloth Shi Hanzhang.
The present invention utilizes rectangular tube and U-shaped steel tank to build stretch-draw platform, its end is configured the screw rod of putting more energy into connected by driving chain, the two ends of cloth are wrapped on steel rider, between sandwiched two panels serrated face steel clamp tool, by high-strength bolt, the fixture of one end is fixed on stretch-draw platform, the fixture of the other end is combined into stretching end by two screw rods and baffle plate and force snesor, after utilizing lifting rocking bar to carry out leveling to stretch-draw platform, adopts jack pair cloth to carry out steady stretch-draw.The outside counter-force platform stretch-draw cloth of the present invention by can freely be elevated, can provide prestressing force largely, the double-screw structure of stretching end makes cloth uniform force application, can not cause the damage of cloth, solves the eccentricity issues that stretching process occurs; Fixture serrated face and the better anchoring cloth of steel rider double action, decrease the loss of prestress that fixture reason causes dramatically.The present invention is a kind of exquisite composition, and performance is remarkable, the device and method of the cloth prestress application that side effect is little.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention carries out cloth prestressed stretch-draw and anchoring in stretch-draw platform;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B direction view of Fig. 1
Fig. 4 is the partial enlarged drawing of the stretching end fixture of Fig. 1.
Detailed description of the invention
Embodiment:
Structural representation of the present invention as shown in Figure 1, the device that cloth method for applying prestressing force of the present invention is used, comprise cloth 1, first fixture 2, second fixture 6, first bolt 3, second bolt 7, first steel rider 4, second steel rider 8, stretch-draw platform, standing screw 14, tensioning screw rod 15, first cushion cap 12, second cushion cap 13, jack 18, baffle plate 16, force snesor 17, first puts more energy into screw rod 19, second puts more energy into screw rod 20, 3rd puts more energy into screw rod 21, 4th puts more energy into screw rod 22, first bearing 23, second bearing 24, lifting rocking bar 25, wherein the first screw rod 19 and the 3rd screw rod 21 of putting more energy into of putting more energy into penetrates the end winding support of stretch-draw platform respectively on the first bearing 23, second screw rod 20 and the 4th screw rod 22 of putting more energy into of putting more energy into penetrates stretch-draw platform end respectively and is fixed on the second bearing 24, rotate lifting rocking bar 25 carries out power transmission by transmission mechanism, stretch-draw platform is steadily risen, cloth 1 two ends are wound on the first steel rider 4 and the second steel rider 8 respectively, clamp respectively with the first fixture 2 and the second fixture 6, and clamp respectively with the first bolt 3, second bolt 7, second fixture 6 is flat on the second cushion cap 13, and the second fixture 6 is fixed on stretch-draw platform by standing screw 14, first fixture 2 is flat on the first cushion cap 12, and baffle plate 16, force snesor 17 are connected to form stretching end through the reserved stretch-draw hole of stretch-draw platform by tensioning screw rod 15, utilizes jack 18 to withstand baffle plate 16 to cloth 1 Shi Hanzhang.
In the present embodiment, above-mentioned transmission mechanism is chain-drive mechanism, includes driving wheel 27, driving chain 26, follower 28, rotates lifting rocking bar 25 carries out power transmission by driving wheel 27, driving chain 26, follower 28.
In the present embodiment, above-mentioned stretch-draw platform includes the first rectangular tube 10, second rectangular tube 11, first steel tank 5, second steel tank 9; First steel tank 5, second steel tank 9 is arranged on the first rectangular tube 10 and the second rectangular tube 11 two ends composition stretch-draw platform that are parallel to each other respectively.Wherein the first steel tank 5 and the second steel tank 9 are U-shaped steel tanks.
In the present embodiment, above-mentioned first screw rod 19 and the 3rd screw rod 21 of putting more energy into of putting more energy into penetrates the end winding support of the second rectangular tube 11 and the first rectangular tube 10 respectively on the first bearing 23, and the second screw rod 20 and the 4th screw rod 22 of putting more energy into of putting more energy into penetrates the end winding support of the second rectangular tube 11 and the first rectangular tube 10 respectively on the second bearing 24.
In the present embodiment, the second fixture 6 is fixed on the first steel tank 5 of band preformed hole by above-mentioned standing screw 14; First fixture 2 is flat on the first cushion cap 12, and baffle plate 16, force snesor 17 are connected to form stretching end through the reserved stretch-draw hole of the second steel tank 9 by tensioning screw rod 15, utilizes jack 18 to withstand baffle plate 16 to cloth 1 Shi Hanzhang.
Above-mentioned first screw rod 19 and the 3rd screw rod 21, second screw rod 20 and the 4th screw rod 22 of putting more energy into of putting more energy into of putting more energy into of putting more energy into is connected with driving chain 26 respectively.
In addition, configure driving wheel 27 at the first screw rod 19 and the 4th screw rod 22 of putting more energy into of putting more energy into, configure follower 28 at the second screw rod 20 and the 3rd screw rod 21 of putting more energy into of putting more energy into.First put more energy into screw rod 19 and the 4th put more energy into screw rod 22 arrange respectively lifting rocking bar 25.Rotate lifting rocking bar 25 and rise stretch-draw platform, and carry out leveling.
In addition, above-mentioned first steel tank 5 is reserved with hole at the At The Height of corresponding first fixture 2, and the second steel tank 9 is reserved with hole at the At The Height of corresponding second fixture 6.Above-mentioned tensioning screw rod 15, standing screw 14 respectively have 2, are individually fixed in the both sides of the first fixture 2 and the second fixture 6, when making stretch-draw fixture with kept straight by the cloth 1 of stretch-draw, side can not be there is and move.
Interface between above-mentioned first fixture 2 and the second fixture about 6 two clamping plates is provided with many longitudinal sawtooth, and presets the groove placing steel rider first steel rider 4 and the second steel rider 8 respectively, prevents cloth from skidding off when stretch-draw.
The signal output part attachment force signal processing system of above-mentioned force snesor 17, for controlling stress distribution.
The method of cloth prestress application of the present invention, embodiment in practice comprises following concrete step:
1) stretch-draw platform is installed.The first rectangular tube 10 utilizing the first steel tank 5, second steel tank 9 to be arranged on respectively to be parallel to each other and the second rectangular tube 11 two ends composition stretch-draw platform.
2) stretch-draw lifting platform functional configuration.Screw rod 19 and the 3rd of putting more energy into first screw rod 21 of putting more energy into penetrates the second rectangular tube 11 and the first rectangular tube 10 end respectively, be fixed on the first bearing 23, second screw rod 20 and the 4th screw rod 22 of putting more energy into of putting more energy into penetrates the second rectangular tube 11 and the first rectangular tube 10 end respectively, be fixed on the second bearing 24, screw rod 19 and second of putting more energy into first screw rod 20, the 3rd screw rod 21 and the 4th screw rod 22 of putting more energy into of putting more energy into of putting more energy into is connected with driving chain 26 respectively.Configure driving wheel 27 at the first screw rod 19 and the 3rd screw rod 21 of putting more energy into of putting more energy into, configure follower 28 at the second screw rod 45 and the 4th screw rod 22 of putting more energy into of putting more energy into.First put more energy into screw rod 19 and the 3rd put more energy into screw rod 21 arrange lifting rocking bar 25.
3) leveling stretch-draw platform.Rotation lifting rocking bar 25 rises stretch-draw platform and (containing the first rectangular tube 10, second rectangular tube 11 and the first steel tank 5, second steel tank 9, and carries out leveling.
4) gripping fibers cloth two ends.Cloth 1 two ends are wound in the first steel rider 4 and the second steel rider 8 by cutting cloth 1 respectively, and clamp respectively with the first fixture 2 and the second fixture 6, utilize the first bolt 3, second bolt 7 to make the first fixture 2 and the second fixture 6 clamp respectively; On fixture, the interface of lower plate is configured to zigzag, can form entirety after docking;
5) sectional fixture.Second fixture 6 is flat on the second cushion cap 13, utilizes standing screw 14 to be fixed on by second fixture 6 on second steel tank 9 of band preformed hole; First fixture 2 is flat on the first cushion cap 12, utilizes tensioning screw rod 15, through the reserved stretch-draw hole of the first steel tank 5, baffle plate 16, force snesor 17 are connected to form stretching end; Wherein the interface of the first fixture 2 and the second fixture 6 is in sustained height;
7) stretch-draw cloth.Utilize jack 18 to withstand baffle plate 16, pull tensioning screw rod 15, to cloth 1 Shi Hanzhang, control stress distribution according to force snesor.
Claims (10)
1. a cloth prestressing force tensioning device, it is characterized in that comprising cloth (1), first fixture (2), second fixture (6), first bolt (3), second bolt (7), first steel rider (4), second steel rider (8), stretch-draw platform, standing screw (14), tensioning screw rod (15), first cushion cap (12), second cushion cap (13), jack (18), baffle plate (16), force snesor (17), first puts more energy into screw rod (19), second puts more energy into screw rod (20), 3rd puts more energy into screw rod (21), 4th puts more energy into screw rod (22), first bearing (23), second bearing (24), lifting rocking bar (25), wherein the first screw rod (19) and the 3rd screw rod (21) of putting more energy into of putting more energy into penetrates the end winding support of stretch-draw platform respectively on the first bearing (23), second screw rod (20) and the 4th screw rod (22) of putting more energy into of putting more energy into penetrates stretch-draw platform end respectively and is fixed on the second bearing (24), rotate power is carried out in lifting rocking bar (25) transmission by transmission mechanism, stretch-draw platform is steadily risen, cloth (1) two ends are wound on the first steel rider (4) and the second steel rider (8) respectively, clamp respectively with the first fixture (2) and the second fixture (6), and clamp respectively with the first bolt (3), the second bolt (7), second fixture (6) is flat on the second cushion cap (13), and the second fixture (6) is fixed on stretch-draw platform by standing screw (14), first fixture (2) is flat on the first cushion cap (12), baffle plate (16), force snesor (17) are connected to form stretching end through the reserved stretch-draw hole of stretch-draw platform by tensioning screw rod (15), utilize jack (18) to withstand baffle plate (16) to cloth (1) Shi Hanzhang.
2. cloth prestressing force tensioning device according to claim 1, it is characterized in that above-mentioned transmission mechanism is chain-drive mechanism, include driving wheel (27), driving chain (26), follower (28), rotate power is carried out in lifting rocking bar (25) transmission by driving wheel (27), driving chain (26), follower (28).
3. cloth prestressing force tensioning device according to claim 1, is characterized in that above-mentioned stretch-draw platform includes the first rectangular tube (10), the second rectangular tube (11), the first steel tank (5), the second steel tank (9); First steel tank (5), the second steel tank (9) are arranged on the first rectangular tube (10) and the second rectangular tube (11) two ends composition stretch-draw platform that are parallel to each other respectively.
4. cloth prestressing force tensioning device according to claim 3, it is characterized in that the above-mentioned first screw rod (19) and the 3rd screw rod (21) of putting more energy into of putting more energy into penetrates the end winding support of the second rectangular tube (11) and the first rectangular tube (10) respectively on the first bearing (23), the second screw rod (20) and the 4th screw rod (22) of putting more energy into of putting more energy into penetrates the end winding support of the second rectangular tube (11) and the first rectangular tube (10) respectively on the second bearing (24).
5. cloth prestressing force tensioning device according to claim 3, is characterized in that the second fixture (6) is fixed on first steel tank (5) of band preformed hole by above-mentioned standing screw (14); First fixture (2) is flat on the first cushion cap (12), baffle plate (16), force snesor (17) are connected to form stretching end through the reserved stretch-draw hole of the second steel tank (9) by tensioning screw rod (15), utilize jack (18) to withstand baffle plate (16) to cloth (1) Shi Hanzhang.
6. cloth prestressing force tensioning device according to claim 3, it is characterized in that above-mentioned first steel tank (5) is reserved with hole at the At The Height of corresponding first fixture (2), the second steel tank (9) is reserved with hole at the At The Height of corresponding second fixture (6).
7. cloth prestressing force tensioning device according to claim 1, it is characterized in that above-mentioned tensioning screw rod (15), standing screw (14) respectively has 2, be individually fixed in the both sides of the first fixture (2) and the second fixture (6), when making stretch-draw fixture with kept straight by the cloth of stretch-draw (1), side can not be there is move, avoid eccentric tension.
8. cloth prestressing force tensioning device according to claim 1, is characterized in that above-mentioned first fixture (2) and the interface of the second fixture (6) up and down between two clamping plates are provided with many longitudinal sawtooth; Above-mentioned first fixture (2) and the second fixture (6) preset the groove placing steel rider first steel rider (4) and the second steel rider (8) up and down between two clamping plates, prevent cloth from skidding off when stretch-draw.
9. the cloth prestressing force tensioning device according to any one of claim 1 to 8, is characterized in that the signal output part attachment force signal processing system of above-mentioned force snesor (17).
10. a method for applying prestressing force for cloth prestressing force tensioning device, is characterized in that comprising the following steps:
1) utilize the first steel tank (5), the second steel tank (9) is arranged on the first rectangular tube (10) of being parallel to each other respectively and the second rectangular tube (11) two ends composition stretch-draw platform;
2) screw rod (19) and the 3rd of putting more energy into first screw rod (21) of putting more energy into penetrates the end of the second rectangular tube (11) and the first rectangular tube (10) respectively, and be fixed on the first bearing (23), second screw rod (20) and the 4th screw rod (22) of putting more energy into of putting more energy into penetrates the end of the second rectangular tube (11) and the first rectangular tube (10) respectively, and being fixed on the second bearing (24), screw rod (19) and the 3rd of putting more energy into first screw rod (21), second screw rod (20) and the 4th screw rod (22) of putting more energy into of putting more energy into of putting more energy into is connected with driving chain (26) respectively;
3) first put more energy into screw rod (19) and the 4th put more energy into screw rod (22) configuration driving wheel (27), second put more energy into screw rod (20) and the 3rd put more energy into screw rod (21) configure follower (28);
4) first put more energy into screw rod (19) and the 4th put more energy into screw rod (22) arrange lifting rocking bar (25);
5) rotate lifting rocking bar (25) and rise stretch-draw platform, and carry out leveling;
6) cloth (1) two ends are wound in the first steel rider (4) and the second steel rider (8) respectively, and clamp respectively with the first fixture (2) and the second fixture (6), utilize the first bolt (3), the second bolt (7) makes the first fixture (2) respectively and the second fixture (6) clamping;
7) the second fixture (6) is flat on the second cushion cap (13), utilizes standing screw (14) to be fixed on by the second fixture (6) on second steel tank (9) of band preformed hole;
8) the first fixture (2) is flat on the first cushion cap (12), utilizes tensioning screw rod (15), through the reserved stretch-draw hole of the first steel tank (5), baffle plate (16), force snesor (17) are connected to form stretching end;
9) utilize jack (18), baffle plate (16), pull tensioning screw rod (15), to cloth (1) Shi Hanzhang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009291.1A CN105569349B (en) | 2015-12-25 | 2015-12-25 | A kind of fiber cloth prestress application apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009291.1A CN105569349B (en) | 2015-12-25 | 2015-12-25 | A kind of fiber cloth prestress application apparatus and method |
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| Publication Number | Publication Date |
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| CN105569349A true CN105569349A (en) | 2016-05-11 |
| CN105569349B CN105569349B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511009291.1A Active CN105569349B (en) | 2015-12-25 | 2015-12-25 | A kind of fiber cloth prestress application apparatus and method |
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| Country | Link |
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| CN (1) | CN105569349B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700867A (en) * | 2017-10-13 | 2018-02-16 | 华南理工大学 | A kind of flexible FRP sheet materials pre-stress stretching device and method |
| CN112523518A (en) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | Construction equipment for pre-bent laminated wood-concrete composite beam |
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| CN1944915A (en) * | 2006-10-11 | 2007-04-11 | 葛培中 | Method for rein forcing concrete structure by top push type prestress carbon fibre cloth and use |
| KR20100046462A (en) * | 2008-10-27 | 2010-05-07 | 한국전력공사 | A prestressing anchorage system of carbon fiber reinforced polymer plate for flexural strengthening of rc structures |
| CN101713252A (en) * | 2009-11-17 | 2010-05-26 | 周劲宇 | Method for reinforcing concrete structure by using prestressed fiber cloth |
| CN102953551A (en) * | 2012-11-27 | 2013-03-06 | 山东大学 | Prestressed carbon fiber cloth reinforcing equipment |
| CN205224620U (en) * | 2015-12-25 | 2016-05-11 | 广东工业大学 | Device is applyed to fibre cloth prestressing force |
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| CN1944915A (en) * | 2006-10-11 | 2007-04-11 | 葛培中 | Method for rein forcing concrete structure by top push type prestress carbon fibre cloth and use |
| KR20100046462A (en) * | 2008-10-27 | 2010-05-07 | 한국전력공사 | A prestressing anchorage system of carbon fiber reinforced polymer plate for flexural strengthening of rc structures |
| CN101713252A (en) * | 2009-11-17 | 2010-05-26 | 周劲宇 | Method for reinforcing concrete structure by using prestressed fiber cloth |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107700867A (en) * | 2017-10-13 | 2018-02-16 | 华南理工大学 | A kind of flexible FRP sheet materials pre-stress stretching device and method |
| CN112523518A (en) * | 2021-01-18 | 2021-03-19 | 华北水利水电大学 | Construction equipment for pre-bent laminated wood-concrete composite beam |
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| CN105569349B (en) | 2017-03-29 |
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Effective date of registration: 20170626 Address after: Shuidong town in Guangdong province 525400 Maoming City Dianbai District No. 108 Canton Road (Changxin building) on the third floor Patentee after: Guangdong Dianbai Construction Group Co., Ltd. Address before: 510006 Panyu District, Guangzhou, Guangzhou University,, West Ring Road, No. 100 Patentee before: Guangdong University of Technology |
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