CN203257121U - Novel reinforcing device of reinforced concrete beam and floor plate - Google Patents
Novel reinforcing device of reinforced concrete beam and floor plate Download PDFInfo
- Publication number
- CN203257121U CN203257121U CN 201320294812 CN201320294812U CN203257121U CN 203257121 U CN203257121 U CN 203257121U CN 201320294812 CN201320294812 CN 201320294812 CN 201320294812 U CN201320294812 U CN 201320294812U CN 203257121 U CN203257121 U CN 203257121U
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- reinforced concrete
- concrete beam
- floor
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- stirrup section
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Abstract
The utility model discloses a novel reinforcing device of a reinforced concrete beam and a floor plate. The novel reinforcing device comprises a U-shaped steel hoop part and two bolt parts, wherein the U-shaped steel hoop part tightly hoops the reinforced concrete beam from bottom to top, the bolt parts penetrate through the floor plate and are fixedly connected with the two ends of the steel hoop part respectively, and nuts of the bolt parts are screwed on portions, located above the floor plate, of the bolt parts. According to the technical scheme, the novel reinforcing device can pretighten and lock the reinforced concrete beam and the floor plate together through match and connection of the steel hoop part and the bolt parts. Compared with the prior art, the novel reinforcing device can effectively avoid the stress lag effect of a traditional reinforcing device, keep anchoring effectiveness, effectively guarantee reinforcing effect and improve shear strength of the reinforced concrete beam, and is simple in structure, easy to realize, compact and attractive in appearance and high in comprehensive practicability.
Description
Technical field
The utility model relates to the building reinforce technical field, is specifically related to the novel reinforced device of a kind of reinforced concrete beam and floor.
Background technology
In engineering structures, often aging due to building, use function change, structure design or the factors such as construction error, the standard of setting up defences raising, need be reinforced existing building.The Shear Strengthening of reinforced concrete beam is an important content of building strengthening.The Shearing Reinforcement of Steel Concrete Beam method is a lot, and reinforcement means commonly used has Enlargement of Section, pastes Building Strengthened by FRP Sheets method, reinforcement by sticking of sheets and steel strand polymer mortar reinforcing method etc.These traditional reinforcement means are generally deposited following problem: (1) stress hysteresis effect problem, and make reinforcement material and original member co-operation ability relatively poor, greatly affect consolidation effect.(2) due to the existence of floor, often cause the reinforcement material anchorage length inadequate, the stripping damage of anchored end easily occurs.(3) traditional reinforcement means can not change the force-bearing situation of original structure, the internal injury such as the crack that exists in member and defective can not make up or reduce, if do not apply prestressing force, reinforcement material just can't play a role to existing crack, greatly affect its consolidation effect, restricted its use of reinforcing in damaged member.
Given this, this case the inventor further investigate the problems referred to above, then has this case to produce.
The utility model content
The purpose of this utility model is to provide a kind of stress hysteresis effect of traditional bracing means of can effectively avoiding to produce, the reinforced concrete beam of the validity of maintenance anchoring and the novel reinforced device of floor, consolidation effect is good, and simple in structure being easy to realized, and compact appearance is attractive in appearance.
In order to achieve the above object, the utility model adopts such technical scheme:
The novel reinforced device of a kind of reinforced concrete beam and floor, comprise the stirrup section of the U-shaped of lock ring reinforced concrete beam from bottom to top, with two pass the bolt part that floor is fixed together with the two ends of stirrup section respectively, the nut screwing clamping of this bolt part is in the part of floor top in bolt part.
The corresponding above-mentioned nut of above-mentioned bolt part is provided with and is in pad larger with respect to the nut area between nut and floor.
Above-mentioned stirrup section is that width is along the steel plate of reinforced concrete beam length direction.
Above-mentioned stirrup section and above-mentioned bolt part have connecting portion, in the horizontal direction each of this connecting portion to size all more than or equal to each of the cross section of described stirrup section and described bolt part to size, described connecting portion welds together with described stirrup section and described bolt part respectively.
The bending place of above-mentioned stirrup section is level and smooth arc.
Above-mentioned stirrup section the corresponding reinforced concrete beam in its bending place be provided with coupling be padded on both between the billet larger with respect to the bending place area.
The vertical portion of above-mentioned stirrup section is arranged with and detects the stress detection device of stress herein.
Above-mentioned stress detection device is the strain ga(u)ge that is attached in above-mentioned stirrup section.
After adopting technique scheme, the novel reinforced device of reinforced concrete beam of the present utility model and floor, because it locks together reinforced concrete beam and floor pretension by being connected of stirrup section and bolt part, compared with prior art, it can effectively avoid the stress hysteresis effect of traditional bracing means to produce, the validity that keeps anchoring, can effectively guarantee consolidation effect, improve the shear strength of reinforced concrete beam, simple in structure being easy to realized, and compact appearance is attractive in appearance, and comprehensive practical is strong;
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is use view of the present utility model;
Fig. 3 is the use view of another angle of the utility model.
In figure:
The 1-stirrup 11-of section bending place
The 12-billet
2-bolt part 21-nut
The 22-pad
The 3-connecting portion
4-monitor for stress 5-reinforced concrete beam
The 6-floor
The specific embodiment
Be described in detail the technical solution of the utility model below by specific embodiment in order further to explain.
The novel reinforced device of a kind of reinforced concrete beam of the present utility model and floor as Figure 1-3, comprises stirrup section 1 and two bolt part 2.
Stirrup section 1 takes the shape of the letter U, the lock ring reinforced concrete beam 5 from bottom to top, two bolt part 2 are passed floor 6 and are fixed together with the two ends of stirrup section 1 respectively, the nut 21 of bolt part 2 is tightened against the part that bolt part 2 is exposed to floor 6 tops, realize the 1 prestressed stretch-draw of stirrup section by screwing bolt part 2, reinforced concrete beam 5 is applied transverse prestress, and with reinforced concrete beam 5 and floor 6 firmly lock ring together, realize the Shear Strengthening to reinforced concrete beam 5.
Preferably, the corresponding nut 21 of bolt part 2 is provided with and is between nut 21 and floor 6 and the pad 22 larger with respect to nut 21 areas, and pad 22 can effectively reduce the pretightning force pressure of 21 pairs of floors 6 of nut, strengthens the bearing strength of floor 6 and total.
Preferably, stirrup section 1 be width along the steel plate of reinforced concrete beam 5 length directions, this structure can strengthen the lock ring effect of 1 pair of reinforced concrete beam 5 of stirrup section.
Preferably, stirrup section 1 has connecting portion 3 with bolt part 2, in the horizontal direction each of this connecting portion 3 to size all more than or equal to each of the cross section of stirrup section 1 and bolt part 2 to size, connecting portion 3 welds together with stirrup section 1 and bolt part 2 respectively, the area that is connecting portion 3 and stirrup section 1 and bolt part 2 welding is not less than stirrup section 1 and bolt part 2 cross-sectional area separately, can effectively utilize the lateral dimension of stirrup section 1 and bolt part 2, increase as far as possible bonding area, to improve the reliability that connects.
Preferably, the bending place 11 of stirrup section 1 is level and smooth arc, concentrates to avoid these bending place 11 stress, improves its bearing strength.
Preferably, stirrup section 1 the corresponding reinforced concrete beam 5 in its bending place 11 be provided with the coupling be padded on both between and the billet 12 larger with respect to bending place 11 areas, billet 12 can effectively reduce the pretightning force pressure of the 11 pairs of reinforced concrete beams 5 in bending place, the bearing strength of reinforcing steel bar concrete beam 5 and total.
Preferably, the vertical portion of stirrup section 1 is arranged with and detects the stress detection device 4 of stress herein, and people are monitored the pretension stress level of stirrup section 1, is convenient to carry out better the control of pretension operation.
Preferably, stress detection device 4 is for being attached at the strain ga(u)ge in stirrup section 1.
Concrete construction method of the present utility model can be:
(1) remove the finishing layer of rendering layer that reinforced concrete beam 5 will reinforcing place and floor 6 corresponding positions;
(2) determine the position of position, reinforced concrete beam 5 corresponding bending place 11 in the hole that floor 6 passes for bolt part 2 and the position of reinforced concrete beam 5 corresponding connection parts 3;
Hole in the position in the above-mentioned hole of (3) determining on floor 6, the chamfered that bending place 11 therewith is complementary is carried out in the position of the corresponding bending place 11 of determining on reinforced concrete beam 5, and at this chamfering place liner billet 12, corresponding pits such as digging out therewith connecting portion 3 shape and size is struck in the position of the corresponding connection parts 3 of determining on reinforced concrete beam 5;
(4) will weld good stirrup section 1 and bolt part 2 corresponding above-mentioned hole and wale from bottom to top reinforced concrete beam 5, and pad is established billet 12 between the chamfering place of bending place 11 and reinforced concrete beam 5, above floor 6, pad 22 is being set on the bolt part 2 of exposing, is then tightening with nut 21 and carry out the prestress application installation.
The novel reinforced device of reinforced concrete beam of the present utility model and floor, monitor for stress is elected strain ga(u)ge as, also can choose other form according to actual requirement; Just pad guarantee area greater than the bending place of stirrup section and with the corresponding situation of the chamfering of reinforced concrete beam under, its concrete shape and size etc. can be adjusted and design according to actual requirement; The concrete shape of the bending place of stirrup section can be adjusted and design according to actual requirement; The concrete size and dimension of connecting portion etc. can be adjusted and design according to actual requirement; The stirrup quality award from the ministry is elected steel plate as, also can choose according to actual requirement; Pad is in the situation that guarantee area greater than the nut area, and its concrete shape and size etc. can be adjusted and design according to actual requirement.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not breaking away from patent category of the present utility model.
Claims (9)
1. the novel reinforced device of a reinforced concrete beam and floor, it is characterized in that: comprise the stirrup section of the U-shaped of lock ring reinforced concrete beam from bottom to top, with two pass the bolt part that floor is fixed together with the two ends of stirrup section respectively, the nut screwing clamping of this bolt part is in the part of floor top in bolt part.
2. the novel reinforced device of a kind of reinforced concrete beam according to claim 1 and floor is characterized in that: the corresponding above-mentioned nut of above-mentioned bolt part is provided with and is in pad larger with respect to the nut area between nut and floor.
3. the novel reinforced device of a kind of reinforced concrete beam according to claim 1 and 2 and floor is characterized in that: above-mentioned stirrup section is that width is along the steel plate of reinforced concrete beam length direction.
4. the novel reinforced device of a kind of reinforced concrete beam according to claim 3 and floor, it is characterized in that: above-mentioned stirrup section and above-mentioned bolt part have connecting portion, in the horizontal direction each of this connecting portion to size all more than or equal to each of the cross section of described stirrup section and described bolt part to size, described connecting portion welds together with described stirrup section and described bolt part respectively.
5. the novel reinforced device of a kind of reinforced concrete beam according to claim 3 and floor is characterized in that: the bending place of above-mentioned stirrup section is level and smooth arc.
6. the novel reinforced device of according to claim 1,2 or 4 described a kind of reinforced concrete beams and floor is characterized in that: the bending place of above-mentioned stirrup section is level and smooth arc.
7. the novel reinforced device of a kind of reinforced concrete beam according to claim 6 and floor is characterized in that: above-mentioned stirrup section the corresponding reinforced concrete beam in its bending place be provided with coupling be padded on both between the billet larger with respect to the bending place area.
8. according to claim 1, the novel reinforced device of 2,4,5 or 7 described a kind of reinforced concrete beams and floor, it is characterized in that: the vertical portion of above-mentioned stirrup section is arranged with and detects the stress detection device of stress herein.
9. the novel reinforced device of a kind of reinforced concrete beam according to claim 8 and floor is characterized in that: above-mentioned stress detection device is the strain ga(u)ge that is attached in above-mentioned stirrup section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320294812 CN203257121U (en) | 2013-05-27 | 2013-05-27 | Novel reinforcing device of reinforced concrete beam and floor plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201320294812 CN203257121U (en) | 2013-05-27 | 2013-05-27 | Novel reinforcing device of reinforced concrete beam and floor plate |
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CN203257121U true CN203257121U (en) | 2013-10-30 |
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CN 201320294812 Withdrawn - After Issue CN203257121U (en) | 2013-05-27 | 2013-05-27 | Novel reinforcing device of reinforced concrete beam and floor plate |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103306214A (en) * | 2013-05-27 | 2013-09-18 | 华侨大学 | Novel reinforcement device for reinforced concrete beam and floor slab and construction method thereof |
CN106351461A (en) * | 2016-09-21 | 2017-01-25 | 天津市建筑设计院 | Reinforcement method and structure for improving post-installed anchorage shear bearing capacity of concrete beam |
CN109610846A (en) * | 2019-01-14 | 2019-04-12 | 山东太极龙塑胶科技有限公司 | Tied silk hoop driver |
-
2013
- 2013-05-27 CN CN 201320294812 patent/CN203257121U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103306214A (en) * | 2013-05-27 | 2013-09-18 | 华侨大学 | Novel reinforcement device for reinforced concrete beam and floor slab and construction method thereof |
CN103306214B (en) * | 2013-05-27 | 2015-11-04 | 华侨大学 | The bracing means of a kind of reinforced concrete beam and floor |
CN106351461A (en) * | 2016-09-21 | 2017-01-25 | 天津市建筑设计院 | Reinforcement method and structure for improving post-installed anchorage shear bearing capacity of concrete beam |
CN109610846A (en) * | 2019-01-14 | 2019-04-12 | 山东太极龙塑胶科技有限公司 | Tied silk hoop driver |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20151104 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |