CN205955261U - Prestressed wire rope curved scissors reinforcing concrete T roof beam - Google Patents
Prestressed wire rope curved scissors reinforcing concrete T roof beam Download PDFInfo
- Publication number
- CN205955261U CN205955261U CN201620541343.3U CN201620541343U CN205955261U CN 205955261 U CN205955261 U CN 205955261U CN 201620541343 U CN201620541343 U CN 201620541343U CN 205955261 U CN205955261 U CN 205955261U
- Authority
- CN
- China
- Prior art keywords
- concrete
- wire rope
- steel
- bolt
- curved scissors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a prestressed wire rope curved scissors reinforcing concrete T roof beam, including locating the reinforcerment system on the concrete T roof beam, reinforcerment system includes wire rope, a plurality of bending resistances reinforcement steel sheet of concrete T breast portion and many angle steel that the level is fixed in concrete T web both sides located, a plurality of bolt holes have been seted up along its length direction to another side at each angle steel, set up adjustable bolt in each bolt hole, adjustable bolt one end sets up the ring, wire rope walks around behind the breast, corresponding ring and tensioning are passed respectively to both ends, the reinforcerment system outside still is equipped with protection system. In the reinforcement through adjustable bolt to wire rope prestress application, need not to adopt purpose -built stretch -draw equipment, it is convenient construct, has improved the efficiency of construction greatly, has exerted prestressing force to wire rope, avoids stress hysteresis, carries high pressure heater and consolidates effect and whole bearing capacity, construction cost is lower, and it is simple and convenient to be under construction, and is little to the structural weight influence, has good structural performance and economic benefits.
Description
Technical field
The utility model is related to reinforced beam reinforcement technique field, and specifically a kind of prestress rope curved scissors is reinforced
Concrete T-shaped beam.
Background technology
Develop in time, the building such as house, bridge is due to design theory imperfection, material aging, overload, construction
Mass defect, structure division such as damage, use function to change at the reason, and maintenance and reinforcement problem becomes increasingly conspicuous.Existing armored concrete
The bending resistance Shear Strengthening technology that beam is commonly used mainly has Enlargement of Section, reinforcement by sticking of sheets, pastes fibrous composite method for strengthening, steel
Twisted wire mesh sheet-polymer mortar method for strengthening, external prestressed strengthening method etc..
There is problems with existing reinforcement means：
For single reinforcement technique, these reinforcement techniques have the former member dead weight of increase, between reinforcement material and original component
There is Stress resort effect, easily find the stripping damage of anchored end, construction is complicated, the defect such as cost height；
Original component is slightly inadequate by anti-bend reinforced its shear behavior rear, easily sheared destruction may occur, and original structure
Part its anti-bending strength after Shear Strengthening is also not enough, may easily occur by curved destruction.
Utility model content
Goal of the invention：In order to overcome the deficiencies in the prior art, the utility model provides a kind of prestress rope
Curved scissors reinforced concrete T beam.
Technical scheme：For solving above-mentioned technical problem, coagulation reinforced by a kind of prestress rope curved scissors of the present utility model
TuTLiang, including the hardened system on concrete T-shaped beam, hardened system includes steel wire rope, multiple located at concrete T-shaped beam bottom
Anti-bend reinforced steel plate and level be fixed on a plurality of angle steel of concrete T-shaped beam web both sides, on the another side edge of each bar angle steel
Its length direction offers multiple bolts hole, and each bolt in the hole arranges adjustable bolt, and adjustable bolt one end arranges annulus, steel wire rope
Behind lintel bottom, two ends are each passed through corresponding annulus tensioning, are additionally provided with guard system outside hardened system.
Wherein, the web outside of concrete T-shaped beam opens up a level to notch, and this notch length, width and depth are respectively
Identical with thickness for the length of angle steel, width.
Wherein, concrete T-shaped beam bottom beam angle has chamfering, pastes the steel pad matching with this chamfer shape at each chamfering
Piece.
Wherein, each angle steel on respectively offer installing hole, and concrete T-shaped beam is horizontally installed to by chemical bolt
The web left and right sides.
Wherein, the steel plate washer around lintel bottom for the steel wire rope and anti-bend reinforced steel plate, two ends pass through the annulus of adjustable bolt, are used in combination
Extruding anchor head pins.
Wherein, guard system is protection mortar.
Beneficial effect：A kind of prestress rope curved scissors reinforced concrete T beam of the present utility model, has following beneficial effect
Really：
1st, in reinforcing, prestressing force is applied to steel wire rope by adjustable bolt, special tensioning equipment need not be adopted, construction is convenient,
Substantially increase efficiency of construction；
2nd, prestressing force is applied with to steel wire rope, Stress resort effect can be prevented effectively from, improve consolidation effect；
3rd, anti-bend reinforced and Shear Strengthening are effectively combined, improve the total bearing capacity of beam concrete T-shaped beam；
4th, the prestressing force of ingenious utilization steel wire rope carries out end and strengthens anchor to the steel plate (or FRP plate) at concrete T-shaped beam beam bottom
Gu, the stripping damage that strengthening steel slab (or FRP plate) not causes can be avoided because of end anchorage length；
5th, the prestress rope of span centre arrangement can make concrete T-shaped beam bottom steel plate (or FRP plate) tightly fit with beam bottom,
After span centre can be avoided bending cracks, beam-ends steel plate (or FRP plate) occurs to early shearing and peels off；
6th, construction cost is relatively low, and construction is simple and convenient, dead load is affected little, has excellent structural behaviour and economy
Benefit.
Brief description
Fig. 1 is front view of the present utility model；
Fig. 2 is for A-A in Fig. 1 to sectional view；
In figure, 1- angle steel；2- adjustable bolt；21- annulus；3- steel plate washer；31- chamfering；4- steel wire rope；5- extrudes anchor head；
6- chemical bolt；61- screw rod；7- nut；8- steel plate；L- concrete T-shaped beam.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is further described.
A kind of prestress rope curved scissors reinforced concrete T beam as shown in Figure 1 and Figure 2, including on concrete T-shaped beam
Hardened system, hardened system includes steel wire rope 4, multiple anti-bend reinforced steel plate 8 being arranged on concrete T-shaped beam L bottom and water
The flat a plurality of angle steel 1 being fixed on concrete T-shaped beam L web both sides, offers many along its length in the another side of each bar angle steel 1
Individual bolt hole, each bolt in the hole arranges adjustable bolt 2, and adjustable bolt 2 one end arranges annulus 21, steel wire rope 4 behind lintel bottom, two
End is each passed through corresponding annulus 21 tensioning, is additionally provided with guard system outside hardened system.Outside the web of concrete T-shaped beam L
A level is opened to notch in side, and this notch length, width and depth are identical with the length of angle steel 1, width and thickness respectively.Coagulation
Native T beam L bottom beam angle has chamfering 31, pastes the steel plate washer 3 matching with this chamfer shape at each chamfering 31.Each angle steel
Respectively have installing hole on 1 one side, and the concrete T-shaped beam L web left and right sides is horizontally installed to by chemical bolt 6.Steel wire rope 4
Around steel plate washer 3 and the anti-bend reinforced steel plate 8 at lintel bottom, two ends pass through the annulus 21 of adjustable bolt, and are pinned with extruding anchor head 5.
Guard system is protection mortar, is constructed using gunite.
A kind of prestress rope curved scissors reinforced concrete T beam of the present utility model adopts following methods to reinforce：
A, fix two row's angle steel 1 in concrete T-shaped beam L web left and right sides level to be reinforced to along total length；The another side of angle steel 1
On respectively have row's bolt hole along its length, some adjustable bolts 2 being provided with annulus are correspondingly locked in angle steel 1 one by one
Bolt in the hole；
B, the steel plate washer 3 mating along total length paste shape in concrete T-shaped beam L beam bottom to be reinforced both sides；
C, concrete T-shaped beam L beam bottom to be reinforced with steel bonding method or paste FRP method for strengthening carry out anti-bend reinforced；
D, according to Len req intercept steel wire rope 4, steel wire rope 4 is bypassed steel plate washer 3 and beam bottom strengthening steel slab 8, two ends are worn
Cross the annulus 21 of adjustable bolt 2, and pinned with extruding anchor head 5, the nut 7 then rotating adjustable bolt 2 carries out to steel wire rope 4 opening
Draw, form " U " type hoop；
E, in hardened system outer side covers guard system.
In step, respective row's bolt hole of two row's angle steel 1 is equally distributed, one about this two rows bolt hole
One is just correspondingly arranged；Respectively open row's installing hole along its length on the another side of two row's angle steel 1, and anchored by chemical bolt
Its level is packed in the top of web both sides by method.
In step, some adjustable bolts 2 correspond respectively and are locked on the bolt hole of angle steel 1, each adjustable bolt 2
One end with annulus 21 is arranged down, and arranges a nut 7 above angle steel 1, can be by twist upwards can in reinforcing process
The nut 7 on bolt 2 is adjusted to apply prestressing force to steel wire rope 4.
In step, two row's angle steel 1 are concentrated at stress at concrete T-shaped beam L top and mid span moment maximum should carry out cutting
Disconnected process；The bolt pitch of holes opened near the angle steel 1 in the curved scissors area of concrete T-shaped beam L beam-ends is closeer, and concrete T-shaped beam L span centre is subject to curved
It is thinner that bolt pitch of holes opened by the angle steel of section.
Before carrying out step A, treatment can be implemented to concrete T-shaped beam L；Relevant position at the left and right beam angle of lower end
Implement chamfered；Concrete T-shaped beam L near web top position along beam total length about open two row of horizontal be used for notch solid
Determine the position of angle steel 1, this notch length, width and depth are respectively length, width and the thickness that side installed by angle steel, and notch is deep
Degree is not passed through web concrete protective layer.
In stepb, concrete T-shaped beam L bottom beam angle has chamfering 31, steel plate washer 3 and chamfering 31 mating shapes.
In step F, guard system adopts common protection mortar, and is constructed using gunite.
The above be only preferred embodiment of the present utility model it should be pointed out that：Common skill for the art
For art personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of prestress rope curved scissors reinforced concrete T beam it is characterised in that：Including the reinforcing on concrete T-shaped beam
System, hardened system includes steel wire rope, multiple anti-bend reinforced steel plate located at concrete T-shaped beam bottom and level and is fixed on coagulation
The a plurality of angle steel of native T web both sides, offers multiple bolts hole, each bolt along its length in the another side of each bar angle steel
In the hole arranges adjustable bolt, and adjustable bolt one end arranges annulus, and behind lintel bottom, two ends are each passed through corresponding annulus to steel wire rope
And tensioning, it is additionally provided with guard system outside hardened system.
2. prestress rope curved scissors reinforced concrete T beam according to claim 1 it is characterised in that：Wherein, concrete
The web outside of T beam opens up a level to notch, this notch length, width and depth be respectively the length of angle steel, width and
Thickness is identical.
3. prestress rope curved scissors reinforced concrete T beam according to claim 1 it is characterised in that：Wherein, concrete
T Liang Dibuliangjiao has chamfering, pastes the steel plate washer matching with this chamfer shape at each chamfering.
4. prestress rope curved scissors reinforced concrete T beam according to claim 1 it is characterised in that：Wherein, each angle
Respectively offer installing hole on one side of steel, and the concrete T-shaped beam web left and right sides is horizontally installed to by chemical bolt.
5. prestress rope curved scissors reinforced concrete T beam according to claim 3 it is characterised in that：Wherein, steel wire rope
Steel plate washer around lintel bottom and anti-bend reinforced steel plate, two ends pass through the annulus of adjustable bolt, and are pinned with extruding anchor head.
6. prestress rope curved scissors reinforced concrete T beam according to claim 1 it is characterised in that：Wherein, protection system
Unite as protection mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541343.3U CN205955261U (en) | 2016-06-07 | 2016-06-07 | Prestressed wire rope curved scissors reinforcing concrete T roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541343.3U CN205955261U (en) | 2016-06-07 | 2016-06-07 | Prestressed wire rope curved scissors reinforcing concrete T roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955261U true CN205955261U (en) | 2017-02-15 |
Family
ID=57966881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620541343.3U Active CN205955261U (en) | 2016-06-07 | 2016-06-07 | Prestressed wire rope curved scissors reinforcing concrete T roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205955261U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937307A (en) * | 2016-06-07 | 2016-09-14 | 江西赣粤高速公路股份有限公司 | Prestress-steel-wire-rope-bending-shearing-reinforced concrete T beam and reinforcing method thereof |
| CN107165060A (en) * | 2017-04-07 | 2017-09-15 | 华侨大学 | A kind of anti-bend reinforced device of bridge prestress high-strength steel cord |
| CN107908870A (en) * | 2017-11-14 | 2018-04-13 | 东南大学 | A kind of analysis method of prestressing with bond gluing wooden frame bending bearing capacity |
| CN108894123A (en) * | 2018-09-04 | 2018-11-27 | 南京林业大学 | A kind of quick Shear Strengthening box-beam structure of Prestressed U type muscle and method |
| CN109026059A (en) * | 2018-07-25 | 2018-12-18 | 同济大学 | A kind of fixed end, pretightning force applying method and ring plate model |
-
2016
- 2016-06-07 CN CN201620541343.3U patent/CN205955261U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937307A (en) * | 2016-06-07 | 2016-09-14 | 江西赣粤高速公路股份有限公司 | Prestress-steel-wire-rope-bending-shearing-reinforced concrete T beam and reinforcing method thereof |
| WO2017211107A1 (en) * | 2016-06-07 | 2017-12-14 | 东南大学 | Pre-stressed steel wire rope-based flexure- and shear-strengthening concrete t beam, and strengthening method thereof |
| CN107165060A (en) * | 2017-04-07 | 2017-09-15 | 华侨大学 | A kind of anti-bend reinforced device of bridge prestress high-strength steel cord |
| CN107165060B (en) * | 2017-04-07 | 2023-03-07 | 华侨大学 | Bridge prestressing force high strength wire rope bending resistance reinforcing apparatus |
| CN107908870A (en) * | 2017-11-14 | 2018-04-13 | 东南大学 | A kind of analysis method of prestressing with bond gluing wooden frame bending bearing capacity |
| CN107908870B (en) * | 2017-11-14 | 2021-01-05 | 东南大学 | Analysis method for bending resistance and bearing capacity of in-vivo pre-stressed laminated wood beam |
| CN109026059A (en) * | 2018-07-25 | 2018-12-18 | 同济大学 | A kind of fixed end, pretightning force applying method and ring plate model |
| CN108894123A (en) * | 2018-09-04 | 2018-11-27 | 南京林业大学 | A kind of quick Shear Strengthening box-beam structure of Prestressed U type muscle and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205955261U (en) | Prestressed wire rope curved scissors reinforcing concrete T roof beam | |
| CN105937307A (en) | Prestress-steel-wire-rope-bending-shearing-reinforced concrete T beam and reinforcing method thereof | |
| CN208280002U (en) | A kind of assembled concrete pier system of mixed configuration FRP tendons and regular reinforcement | |
| CN105887704B (en) | A kind of prestress rope Shear Strengthening concrete box girder and its reinforcement means | |
| CN103953202B (en) | A kind of reinforced concrete beam prestress rope bracing means and method thereof | |
| CN108004926A (en) | Large-tonnage FRP inhaul cable anchoring process | |
| CN104233942A (en) | Method for enhancing overall stress on assembled type heterotropic pre-stress hollow slab beam bridge | |
| CN204357147U (en) | The composite reinforcing structure of prestressed reinforced concrete construction flexural member | |
| CN109057148A (en) | Ultra-high performance concrete is without regular reinforcement Prestressed U type beam and its construction method | |
| CN108316554A (en) | A kind of steel ripple crust and prestressed concrete combination beam and its construction method | |
| CN103088962B (en) | A kind of pretensioned prestressing reinforced concrete precast beam | |
| CN108330829A (en) | A kind of steel plate and concrete composite floorings using U-bolt shear connector | |
| CN212802677U (en) | Shear-resistant reinforcing device of frame infilled wall | |
| CN106761838B (en) | Tunnel Second Lining arch unit and its arch frame structure and erection method constituted | |
| CN104100100B (en) | The method of Tests of Reinforced Concrete Beams Strengthened With Cfrp-laminate is drawn in micro-varicose | |
| CN107989396A (en) | A kind of tiny Ti handing construction method | |
| CN110485314A (en) | Highway T beam spells wide structure and method under a kind of operation state | |
| CN201695336U (en) | Cable-stayed bridge rope saddle with anti-slip structure | |
| CN206143989U (en) | Steel concrete combination superimposed sheet | |
| CN205591583U (en) | A reinforced structure for post is taken out to building structure top layer | |
| CN208415690U (en) | A kind of steel ripple crust and prestressed concrete combination beam | |
| CN209261310U (en) | The concrete prefabricated assembly combined storehouse of Contiuum type | |
| CN204940273U (en) | A kind of Prestressed anchor rope with pressure dispersing construction equipment | |
| CN105970963B (en) | A kind of precast concrete channel plate pile head bracing means | |
| CN208088121U (en) | A kind of steel plate and concrete composite floorings using U-bolt shear connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |