CN106758845B - Concrete structure falls beam joist device and falls beam construction method using it - Google Patents
Concrete structure falls beam joist device and falls beam construction method using it Download PDFInfo
- Publication number
- CN106758845B CN106758845B CN201710014933.XA CN201710014933A CN106758845B CN 106758845 B CN106758845 B CN 106758845B CN 201710014933 A CN201710014933 A CN 201710014933A CN 106758845 B CN106758845 B CN 106758845B
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- CN
- China
- Prior art keywords
- top plate
- jack
- joist device
- corbel
- box beam
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
Beam joist device is fallen the invention discloses a kind of concrete structure and falls beam construction method using it.It is a kind of to fall beam joist device for falling the concrete structure under the conditions of beam headroom deficiency, it is characterized in that：It includes the corbel (1) of the shape of a saddle, the outside of the both sides of the corbel (1) is fixedly installed the top plate (2) of one piece of jacking load respectively, and the top of every piece of top plate (2) is equipped with stiffened steel plates (3) and is fixedly connected with the side of the top plate (2) and corbel (1).The joist device of the present invention is when in use, works is held up in the bottom of works using joist device, and pass through joist device and the Lifting Equipments hard point such as jack is provided so that jack working space becomes larger, and ensures to can continue to carry out falling beam operation in the case that headroom is insufficient.Easy to operate, construction safety of the invention, it can be ensured that engineering construction safety and quality.
Description
Technical field
The present invention relates to a kind of concrete structures to fall beam joist device, more particularly to falls between beam works before in place
Headroom is insufficient, can not normal construction when the joist device that uses, belong to technical field of bridge construction.It should the invention further relates to utilizing
Joist device carries out the method for falling beam construction.
Background technology
Bridge falls beam construction and is widely used in all kinds of engineerings such as railway, highway, municipal administration.It (or is constructed in concrete structure
Object) prestressed structure fall that beam is in place or works side position applies and moves beam work progress in place after tensioning using upper pour
In, it will usually in place, influence the safety and matter of engineering because headroom is insufficient or other reasons lead to not normally between up-down structure object
Amount.Especially realize that bridge is in place bridging equipment (such as Bridge Erector, large-scale hoisting machinery) can not be used, and scene is not
It satisfies the requirements when realizing the molding concrete structure of cast-in-situ (or structures), or in existing bridge or similar structures body
When maintaining (such as bearing replacement), construction operation difficulty is big, and security risk is high, and construction quality is difficult to ensure.
Invention content
For the above-mentioned problems in the prior art, the present invention provides one kind in headroom deficiency, construction operation
Concrete structure under the conditions of narrow space falls beam joist device, using its construction safety, efficiently.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of mixed under the conditions of beam headroom deficiency for falling
Xtah Crude Clay structure object falls beam joist device, it is characterized in that：It includes the corbel of the shape of a saddle, the outside point of the both sides of the corbel
Be not fixedly installed the top plate of one piece of jacking load, the top of every piece of top plate be equipped with stiffened steel plates and the top plate and
The side of corbel is fixedly connected.
Joist device in the present invention is when in use holding up concrete structure and provide the Lifting Equipments such as jack
Hard point, wherein corbel is used to hold up concrete structure when in use, and the top plate of both sides is as jack jacking load
Fulcrum.Stiffened steel plates are used for the intensity of Strengthening Roof.
The present invention also provides the methods for falling beam construction using above-mentioned joist device progress box beam, it is characterized in that：First press
More solito falls beam construction method and fulcrum is arranged in box beam bottom using jack and box beam is fallen beam to because of headroom deficiency jack
Can not normal operation height, the joist device then is installed in the corresponding position in the bottom of box beam, and ensure the beam of box beam
Bottom and corbel are in close contact, in box beam bottom that box beam support pad is good using sleeper, then by original position in the jack of beam bottom move to
Then the ceiling location of the both sides of joist device continues to fall using top plate as the new fulcrum of jack using jack
Beam operation by box beam until drop down onto commitment positions.
The beneficial effects of the invention are as follows：The present invention utilizes the joist device of special construction design, in the insufficient condition of headroom
Under, it can hold up works by joist device is arranged in structure bottom using joist device and the jackings such as jack be provided
Equipment hard point makes fulcrum move to the both sides of joist device by the bottom of works by the position of the fulcrum of change jack, from
And so that jack working space becomes larger, ensure to can continue to carry out falling beam operation in the case that headroom is insufficient.The present invention grasps
Make simple, construction safety, and construction efficiency is high, can effectively solving the works under the confined conditions such as headroom deficiency, to fall beam difficult in place
Topic, especially suitable for newly-built structure object it is upper it is cast-in-place, fall that beam is in place or the maintenance of the similar structures object such as existing bridge,
Jacking when bearing replacement and beam operation is fallen, resource input is few, easy to operate, and method is practical, is easy to draw materials, it can be ensured that engineering
Construction safety and quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of the joist device in the specific embodiment of the invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the cooperation schematic diagram of joist device and box beam in the specific embodiment of the invention；
Fig. 4 is the side view of Fig. 3；
Fig. 5 is that box beam falls beam jack operation schematic diagram before in place in the specific embodiment of the invention；
Fig. 6 be in the specific embodiment of the invention box beam fall beam it is in place when jack operation schematic diagram；
1, corbel in figure, 2, top plate, 3, stiffened steel plates, 4, box beam, 5, joist device, 6, jack, 7, buttress, 8, steel pad
Plate, 9, sleeper.
Specific implementation mode
Below by specific embodiment and in conjunction with attached drawing, the present invention is further illustrated：
It is as shown in the picture, a kind of to fall beam joist device for falling the concrete structure under the conditions of beam headroom deficiency,
Corbel 1 including the shape of a saddle, is made by steel plate, and the outside of the both sides of the corbel 1 is fixedly installed one piece respectively
The top plate 2 of load is jacked, the top of every piece of top plate 2 is equipped with the side of stiffened steel plates 3 and the top plate 2 and corbel 1
It is fixedly connected.To ensure the integral strength of device, corbel 1, top plate 2, stiffened steel plates 3 should have enough intensity and thickness, add
Strength steel plate 3 should securely be welded with top plate 2 and corbel 1.
The method that box beam falls beam construction is carried out using above-mentioned joist device：First thousand are utilized according to the conventional beam construction method that falls
After jin top 6 is arranged fulcrum in 4 bottom of box beam and box beam is fallen beam to certain altitude, because headroom deficiency jack can not normal operation
When, the joist device 5 then is installed in the corresponding position in the bottom of box beam 4, and ensure beam bottom and 1 inside of corbel of box beam 4
Face is in close contact, and will be changed at the ceiling location of joist device 5 positioned at the former position of the fulcrum of beam bottom, using sleeper at box beam bottom
Portion is good by box beam support pad, then moves to 2 position of top plate of the both sides of joist device original position in the jack of beam bottom, top plate is made
For the new fulcrum of jack, start jack operation after ready, continues to fall beam operation until box beam is dropped down onto both
Positioning is set, and is located on mounted bearing.
Other parts in the present embodiment use known technology, and details are not described herein.
The present invention can effectively solve the works under the confined conditions such as headroom deficiency and fall beam problem in place, easy to operate, side
Just, construction safety, it can be ensured that engineering construction safety and quality.
Claims (2)
1. a kind of falling beam joist device for falling the concrete structure under the conditions of beam headroom deficiency, it is characterized in that：It includes
The corbel (1) of the shape of a saddle, the outside of the both sides of the corbel (1) are fixedly installed the top plate of one piece of jacking load respectively
(2), the top of every piece of top plate (2) is equipped with stiffened steel plates (3) and is fixed with the side of the top plate (2) and corbel (1) and connected
It connects.
2. a kind of carrying out the method that box beam falls beam construction using joist device described in claim 1, it is characterized in that：First according to normal
Rule fall beam construction method and fulcrum are arranged in box beam bottom using jack and box beam is fallen beam to because headroom deficiency jack can not
Then the height of normal operation installs the joist device in the corresponding position in the bottom of box beam, and ensure the beam bottom of box beam with
Corbel (1) medial surface is in close contact, in box beam bottom that box beam support pad is good using sleeper, then by original position in the jack of beam bottom
It moves to the top plate of the both sides of joist device (2) position, using top plate as the new fulcrum of jack, then jack is utilized to continue
It carries out falling beam operation until box beam is dropped down onto commitment positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014933.XA CN106758845B (en) | 2017-01-09 | 2017-01-09 | Concrete structure falls beam joist device and falls beam construction method using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014933.XA CN106758845B (en) | 2017-01-09 | 2017-01-09 | Concrete structure falls beam joist device and falls beam construction method using it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106758845A CN106758845A (en) | 2017-05-31 |
| CN106758845B true CN106758845B (en) | 2018-08-17 |
Family
ID=58948584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014933.XA Active CN106758845B (en) | 2017-01-09 | 2017-01-09 | Concrete structure falls beam joist device and falls beam construction method using it |
Country Status (1)
| Country | Link |
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| CN (1) | CN106758845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144327A (en) * | 2019-06-28 | 2020-12-29 | 比亚迪股份有限公司 | Track support assembly, assembly method thereof, track and track traffic system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617926Y (en) * | 2003-05-16 | 2004-05-26 | 邹城市鲍矿大帅工贸有限公司 | Joist of rockbolt |
| CN201990947U (en) * | 2011-01-28 | 2011-09-28 | 龙建路桥股份有限公司 | Overall bracket for capping beam |
| CN104343087B (en) * | 2014-11-14 | 2016-01-27 | 山东恒堃机械有限公司 | A kind of joist transporting device |
| CN106087757B (en) * | 2016-08-01 | 2017-12-05 | 中铁十七局集团第三工程有限公司 | A high position in box beam erection falls beam construction method |
| CN206408536U (en) * | 2017-01-09 | 2017-08-15 | 中铁十局集团有限公司 | For fall beam headroom it is not enough under the conditions of concrete structure fall beam joist device |
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2017
- 2017-01-09 CN CN201710014933.XA patent/CN106758845B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106758845A (en) | 2017-05-31 |
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