CN208056678U - A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure - Google Patents
A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure Download PDFInfo
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- CN208056678U CN208056678U CN201820210812.2U CN201820210812U CN208056678U CN 208056678 U CN208056678 U CN 208056678U CN 201820210812 U CN201820210812 U CN 201820210812U CN 208056678 U CN208056678 U CN 208056678U
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- steel plate
- concrete
- chimney
- prestressing force
- hoop
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Abstract
The utility model discloses a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structures, are related to the technical field that fabric structure transformation is reinforced, including concrete chimney cylinder, are characterized in that：Several hoop steel plates have been encircled on the concrete chimney cylinder, it is connected with several vertical steel plates between two adjacent hoop steel plates, the both ends in the vertical steel plate length direction are equipped with convex block, the side walls collapse of the hoop steel plate has for the embedded annular groove of convex block fitting, the concrete chimney cylinder is externally provided with steel wire mesh, the hoop steel plate is equipped with fixed seat, and the fixed seat is connect with steel wire mesh.It is arranged hoop steel plate in existing concrete chimney cylinder body outer wall, each vertical steel plate is connect with hoop steel plate, concrete chimney cylinder body outer wall is reinforced in mutual cooperation, to increase the intrinsic frequency of concrete chimney cylinder, reduce oscillation of the vibrations to concrete chimney cylinder around earthquake etc., reduces resonance odds.
Description
Technical field
The utility model is related to the technical field that fabric structure transformation is reinforced, more particularly to a kind of reinforced concrete single-drums
Chimney internal cylinder wall prestressing force composite reinforcing structure.
Background technology
In brick masonry structure, brick setting chimney is one of main structure in brick masonry structure, the matter of brick setting chimney
Amount will directly affect the overall security of brick masonry structure.In earthquake, its bearing capacity declines rapidly after brick setting Chimney crack,
It easily collapses, causes the huge casualties in earthquake region and serious economic loss.In China, the application of brick setting chimney is suitable
Extensively, therefore to the reinforcement of brick setting chimney it is particularly important.It is found from macroscopical earthquake and experimental study, earthquake is made
With the cracking of lower brick setting chimney and collapse, the shearing strength and deformability mainly due to brick setting chimney are insufficient.With state
Raising of the family to environmental requirement, most of chimney will carry out the technological transformation of desulphurization and denitration, from the lot of examples of Testing and appraisal
It sees, seriously corroded on the inside of chimney, stress characteristic changes after transformation, and the inner cylinder wall temperature under normal operating condition reduces,
In the case that the summer sun directly shines, the possibility that temperature cracking occurs for inner tube wall greatly increases, and therefore, according to stress characteristic and sets
Meter requires, and needs to being reinforced on the inside of chimney barrel.
It there is problems at present to carrying out reinforcing on the inside of chimney barrel：
1, existing reinforcing is to increase the concrete topping with reinforcing bar using directly thickening, great in constructing amount, it cannot be guaranteed that reinforcing
Effect.The anti-corrosion and heat resistance of ordinary reinforced concrete can not meet the requirement of chimney hot operation.
2, because chimney inner surface is curved surface, common way reinforcing bar cannot play one's part to the full, and seriously affect consolidation effect.
3, chimney is by wind-force, the effect of the inside and outsides such as earthquake, temperature, and the stress state of chimney needs to grasp in real time, using changing
Sensor is embedded in chimney force part, solves the problems, such as this by the opportunity made.
The Chinese patent that notification number is CN202767611U discloses a kind of reinforced concrete single-tube chimney inner tube wall and answers in advance
Power composite reinforcing structure belongs to the technical field of construction of structures structure of modification reinforcing.The reinforced concrete single-tube chimney inner tube wall
Prestressing force composite reinforcing structure is made of adhesive layer and liner repair layer.Liner repair layer includes steel wire mesh, heat-resisting grouting material
And monitoring device, steel wire mesh are set in the face layer that heat-resisting grouting material is formed, monitoring device is mounted on steel wire mesh or steel twists
Between gauze；Adhesive layer is made of interfacial agents.
Said program forms liner repair layer using the heat-resisting grouting material of high-strength steel wire mash-, applies prestressing force and ensures to reinforce
Effect, but repair layer is smaller to the effect of contraction of brick setting chimney, and steel using amount is larger, reinforcing is costly, and structural strength is owed
It is good.
Utility model content
The purpose of this utility model is to provide a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure,
Its advantage is that increasing substantially the anti-seismic performance of brick setting chimney, have the effect of good consolidation effect, construction is simple and at low cost.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of armored concrete list
Cylinder chimney internal cylinder wall prestressing force composite reinforcing structure, including concrete chimney cylinder have been encircled on the concrete chimney cylinder
Several hoop steel plates are connected with several vertical steel plates, the concrete chimney cylinder peripheral hardware between two adjacent hoop steel plates
There are steel wire mesh, the hoop steel plate to be equipped with fixed seat, the fixed seat is connect with steel wire mesh.
By using above-mentioned technical proposal, hoop steel plate, multiple hoops are arranged in existing concrete chimney cylinder body outer wall
Steel plate is bonded chimney outer wall, stablizes to concrete chimney cylinder, and each vertical steel plate is connect with hoop steel plate, cooperates
Concrete chimney cylinder body outer wall is reinforced, to increase the intrinsic frequency of concrete chimney cylinder, is reduced around earthquake etc.
The oscillation to concrete chimney cylinder is shaken, reduces resonance odds, to enhance shock resistance, steel wire mesh is set in
Outside concrete chimney cylinder and hoop steel plate, company of the hoop steel plate with vertical steel plate to concrete chimney cylinder is further increased
Connect intensity.
Preferably, the both ends in the vertical steel plate length direction are equipped with convex block, the side wall of the hoop steel plate is recessed
Falling into has for the embedded annular groove of convex block fitting.
By using above-mentioned technical proposal, vertical steel plate itself has certain radian, for ease of being mounted on concrete cigarette
Chimney cylinder body outer wall, by the way that the convex block of vertical steel plate is inserted into annular groove, to realize the connection of vertical steel plate and hoop steel plate, and
Have the effect of convenient for disassembly and assembly.
Preferably, the adjacent two rows vertical steel plate is intervally arranged.
By using above-mentioned technical proposal, vertically the vertical steel plate position interval of upper adjacent two rows, i.e., adjacent two rows are erected
Straight steel plate position intersects, and is not at same straight line, is more advantageous to the increase of intensity in this way.
Preferably, hoop steel plate is tightened to by bolt on concrete chimney cylinder.
By using above-mentioned technical proposal, hoop steel plate is fixed by bolt, improves hoop steel plate and coagulation
The install convenient degree of native chimney barrel, achieves the effect of convenient installation.
Preferably, being embedded with several bar dowels in the vertical steel plate.
By using above-mentioned technical proposal, the vertical mortar joint of vertical steel plate is implanted into bar dowel, has not only facilitated construction, but also can increase
The self structure intensity of strong vertical steel plate.
Preferably, the concrete chimney barrel outer surface is uniformly coated with high elongation fiber concrete face layer.
By using above-mentioned technical proposal, high elongation fiber concrete is a kind of with high intensity, high ductility, high-durability
With the ecological architectural material of high damnification resistant ability.It can effectively avoid concrete chimney cylinder locally to crush, significantly improve concrete
The globality and anti-seismic performance of chimney barrel, high elongation fiber concrete surface thickness is relatively thin, good economy performance, to original structure
It influences smaller.
Preferably, being laid with strain transducer between the steel wire mesh, two strain transducers are vertical in 90 degree
Arrangement.
By using above-mentioned technical proposal, hoop steel plate and vertical steel plate are further secured to concrete cigarette by steel wire mesh
On chimney cylinder, the strain transducer added in real time perceives the structure of concrete chimney cylinder, right in time when unstable
It is repaired, and safety is improved.
Preferably, the steel wire mesh includes circumferential steel strand wires and vertical steel strand wires.
By using above-mentioned technical proposal, circumferential steel strand wires intersect with vertical steel strand wires to be worn, to by hoop steel plate with
The closer connection of vertical steel plate.
In conclusion the utility model has the advantages that：It is arranged ring in existing concrete chimney cylinder body outer wall
Hoop iron plate, each vertical steel plate are connect with hoop steel plate, and concrete chimney cylinder body outer wall is reinforced in mutual cooperation, to increase
The intrinsic frequency of big concrete chimney cylinder reduces oscillation of the vibrations to concrete chimney cylinder around earthquake etc., reduces resonance
Odds.
Description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the schematic diagram for showing vertical steel plate in the present embodiment.
Reference numeral：1, concrete chimney cylinder；2, hoop steel plate；21, fixed seat；22, annular groove；23, bolt；24, lead to
Hole；3, vertical steel plate；31, convex block；32, bar dowel；4, steel wire mesh；41, circumferential steel strand wires；42, vertical steel strand wires；5, Gao Yan
Property fiber concrete face layer；6, strain transducer.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure, as shown in Figure 1, including
Concrete chimney cylinder 1,1 outer surface of concrete chimney cylinder are uniformly coated with high elongation fiber concrete face layer 5, and high ductility is fine
5 thinner thickness of concrete topping is tieed up, high elongation fiber concrete is a kind of with high intensity, high ductility, high-durability and Gao Nai
The ecological architectural material of lesion capability.The globality and anti-seismic performance for significantly improving concrete chimney cylinder 1, prevent concrete cigarette
The 1 part crushing of chimney cylinder.
As shown in Figure 1 and Figure 2, several hoop steel plates 2 have been encircled on concrete chimney cylinder 1, hoop steel plate 2 passes through bolt
23 are tightened on concrete chimney cylinder 1, and hoop steel plate 2 is fixed by bolt 23, improve hoop steel plate 2 with
The install convenient degree of concrete chimney cylinder 1 is connected with several vertical steel plates 3, vertical steel between two adjacent hoop steel plates 2
The vertical mortar joint of plate 3, which is implanted into, to be useful for increasing self-strength bar dowel 32.Vertically between 3 position of vertical steel plate of upper adjacent two rows
Every being not at same straight line, be more advantageous to the increase of intensity.1 outer wall of concrete chimney cylinder is arranged hoop steel plate 2, to coagulation
Native chimney barrel 1 is stablized, and each vertical steel plate 3 is connect with hoop steel plate 2, cooperates outside to concrete chimney cylinder 1
Wall is reinforced, and to increase the intrinsic frequency of concrete chimney cylinder 1, is reduced resonance odds, is enhanced shock resistance.
As shown in Fig. 2, vertical steel plate 3 itself has certain radian, for ease of being mounted on outside concrete chimney cylinder 1
The both ends of wall, 3 length direction of vertical steel plate are equipped with convex block 31, the side walls collapse annular groove 22 of hoop steel plate 2, and annular groove 22 can have
It is bonded and is embedded in for convex block 31.By the way that the convex block 31 of vertical steel plate 3 is inserted into annular groove 22, to realize vertical steel plate 3 and hoop steel
The connection of plate 2, it is convenient for disassembly and assembly.
As shown in Figure 1 and Figure 2, concrete chimney cylinder 1 is externally provided with steel wire mesh 4, and steel wire mesh 4 includes circumferential steel strand wires
41 and vertical steel strand wires 42, circumferential steel strand wires 41 intersect with vertical steel strand wires 42 to be worn, and hoop steel plate 2 is equipped with fixed seat 21,
Circumferential steel strand wires 41 and vertical steel strand wires 42 can be fixed for fixed seat 21, and 21 top of fixed seat is run through with side wall to be had for vertical
The circumferential steel strand wires fitting of steel strand wires 42 across through-hole 24, strain transducer 6, strain transducer 6 are laid between steel wire mesh 4
The structure of concrete chimney cylinder 1 is perceived in real time, when unstable, it is repaired in time, two strain sensings
Device 6 is arranged vertically in 90 degree, improves sensitivity, and hoop steel plate 2 and vertical steel plate 3 are further secured to coagulation by steel wire mesh 4
On native chimney barrel 1, structure is more stable.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure, including concrete chimney cylinder (1),
It is characterized in that：Several hoop steel plates (2) are encircled on the concrete chimney cylinder (1), in two adjacent hoop steel plates (2)
Between be connected with several vertical steel plates (3), the concrete chimney cylinder (1) is externally provided with steel wire mesh (4), the hoop steel plate
(2) it is equipped with fixed seat (21), the fixed seat (21) connect with steel wire mesh (4).
2. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 1, special
Sign is：The both ends in vertical steel plate (3) the length direction are equipped with convex block (31), and the side wall of the hoop steel plate (2) is recessed
Falling into has for the embedded annular groove (22) of convex block (31) fitting.
3. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 1, special
Sign is：The adjacent two rows vertical steel plate (3) is intervally arranged.
4. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 2, special
Sign is：Hoop steel plate (2) is tightened to by bolt (23) on concrete chimney cylinder (1).
5. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 3, special
Sign is：Several bar dowels (32) are embedded in the vertical steel plate (3).
6. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 4, special
Sign is：Concrete chimney cylinder (1) outer surface is uniformly coated with high elongation fiber concrete face layer (5).
7. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 5, special
Sign is：Strain transducer (6) is laid between the steel wire mesh (4), two strain transducers (6) are in 90 degree of vertical cloth
It sets.
8. a kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure according to claim 7, special
Sign is：The steel wire mesh (4) includes circumferential steel strand wires (41) and vertical steel strand wires (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210812.2U CN208056678U (en) | 2018-02-06 | 2018-02-06 | A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210812.2U CN208056678U (en) | 2018-02-06 | 2018-02-06 | A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208056678U true CN208056678U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820210812.2U Expired - Fee Related CN208056678U (en) | 2018-02-06 | 2018-02-06 | A kind of reinforced concrete single-tube chimney inner tube wall prestressing force composite reinforcing structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653525A (en) * | 2018-12-18 | 2019-04-19 | 宁波市镇海怡福莱文化创意有限公司 | The recycling of discarded chimney |
| CN111058652A (en) * | 2020-01-19 | 2020-04-24 | 江苏鼎达建筑新技术有限公司 | Reinforced concrete beam column joint core area reinforcing method and reinforcing structure |
| CN111519972A (en) * | 2020-04-30 | 2020-08-11 | 同济大学建筑设计研究院(集团)有限公司 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
| CN113550616A (en) * | 2020-04-26 | 2021-10-26 | 山西同新复材技术有限公司 | Reinforcing rod based on hoop connection and reinforcing method thereof |
-
2018
- 2018-02-06 CN CN201820210812.2U patent/CN208056678U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653525A (en) * | 2018-12-18 | 2019-04-19 | 宁波市镇海怡福莱文化创意有限公司 | The recycling of discarded chimney |
| CN111058652A (en) * | 2020-01-19 | 2020-04-24 | 江苏鼎达建筑新技术有限公司 | Reinforced concrete beam column joint core area reinforcing method and reinforcing structure |
| CN113550616A (en) * | 2020-04-26 | 2021-10-26 | 山西同新复材技术有限公司 | Reinforcing rod based on hoop connection and reinforcing method thereof |
| CN111519972A (en) * | 2020-04-30 | 2020-08-11 | 同济大学建筑设计研究院(集团)有限公司 | Concrete tower drum capable of replacing prestressed steel strands in vitro |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20220206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |