CN107119921B - A kind of skyscraper Bailey beam Demolition Construction method - Google Patents
A kind of skyscraper Bailey beam Demolition Construction method Download PDFInfo
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- CN107119921B CN107119921B CN201710462707.8A CN201710462707A CN107119921B CN 107119921 B CN107119921 B CN 107119921B CN 201710462707 A CN201710462707 A CN 201710462707A CN 107119921 B CN107119921 B CN 107119921B
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- bailey beam
- bailey
- shaped hook
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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
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention relates to a kind of skyscraper Bailey beam Demolition Construction methods, belong to technical field of building construction.This method is included the lattice column that built-in fitting is arranged, remove load beam placement template and supports Bailey beam, by built-in fitting is vertical hangs Bailey beam, Bailey beam disjunction is removed to outside single-unit Bailey beam, gradually made the translation of Bailey beam main body, manipulation hoist engine using suspension centre, each step of Bailey beam main body is fallen, disassembly is finally completed.Had not using the present invention by the influence of topography, the remarkable advantages such as suspender is simple, operation is easy, construction cost is low, adaptable, high-efficient, safety is high.
Description
Technical field
The present invention relates to a kind of building conversion layer Bailey bracket platform, especially a kind of high-rise building transfer floor Bailey bracket is flat
Platform also relates to its construction method, belongs to technical field of building construction.
Background technique
Skyscraper usually needs to construct conversion layer Bailey bracket platform because of the building structure variation between floor.Although Shen
Number skyscraper beam type knot please be individually disclosed for a 201010135856.1,201410337666.6 Chinese invention patent document
The method of the construction of structure conversion layer and the construction of Bailey beam pendent form support system, but it is incomplete, exist and such as needs to set up
Full hall support frame, suspension are easy by place the deficiencies of construction loading effect, because this applicant proposed application No. is
201710326359.1, the technical solution of entitled " a kind of high-rise building transfer floor Bailey bracket platform construction method ", passes through peace
Dress lattice column, set up Bailey beam, lift I-beam, build big beam form bottom, sandwich boards for construction plate (as one sees fit be arranged), construction conversion layer respectively walk
The rapid construction for completing conversion layer Bailey bracket platform has without setting up full hall support frame, load state ideal, being easy to ensure work
Phase is not limited by conversion layer floor position, is easy to implement, guaranteeing the advantages that quality and construction safety.
Since the construction method that applicant proposes is different previous, after having constructed load crossbeam completion platform construction,
Bailey beam is removed using the method for the prior art and there are some problems, it is not ideal enough.For example, using application No. is
Method for dismounting disclosed in 201210405463.7 Chinese patents need to set up temporary support point and using crane, due to operating radius and
Operating space is limited, not only to have inconvenience more, but also is easy to produce security risk；" temporary rest pier by sleeper arranged at the bottom and
The H profile steel that the sleeper top is arranged in is constituted ", ground differential settlement easy to form leads to security risk, " with crane by shellfish
Lei Liang is removed along the rail " operation difficulty, risk it is larger.For another example, using application No. is 201610005760.0 China are special
It is very close to each other between the disclosed easy device of benefit application and method Bailey beam and cast-in-situ box girder, " tightening or loosening adjusting bolt
When, firmly need to balancedly adjust simultaneously, to guarantee stress equalization, balance lifting " and " utilize Bailey beam bracket own wt
Pressure moves down upper bracket ", " two pieces lateral adjustment supports moved down along the catwalk side of hold-down support simultaneously ", behaviour
It is big to make difficulty.For another example using method for dismounting disclosed in the Chinese patent application of application number 201610060325.8, there is only levels
Direction controlling accuracy requirement is high, promotes the disadvantages of Bailey beam Pin number is limited, and needs " to remove the lumps of wood and mould in Bailey beam in advance
Plate ", and need to be using welding, demolishing process security risk is big.
Summary of the invention
It is an object of the invention to: in view of the problems of the existing technology, proposes that a kind of operation is convenient, can guarantee safety
Skyscraper Bailey beam Demolition Construction method, thus mutual with " a kind of high-rise building transfer floor Bailey bracket platform construction method "
It is mating, it is allowed to preferably be applied.
In order to achieve the above object, the basic step of skyscraper Bailey beam Demolition Construction method of the present invention are as follows:
The first step when pouring conversion layer load crossbeam, respectively corresponds Bailey beam side second and third list at beam bottom both ends
Pre-buried first and second U-shaped hooks pendant above above at first docking and at the docking of Unit first and second of the other side, and
Spacing is less than Bailey beam standard knot length and pre-buried greater than the position of 1/2 length of Bailey beam standard knot on the outside of first U-shaped hook pendant
Third U-shaped hook pendant, the second U-shaped hook pendant inside spacing be less than Bailey beam standard knot length and be greater than Bailey beam standard knot
The pre-buried 4th U-shaped hook pendant in the position of 1/2 length；
Second step removes load beam placement template and supports two lattice columns of Bailey beam, holds Bailey beam load in two sides
On the bracket of power column；
Third step in the first and second U-shaped hook pendants hooks vertical first and second hung on the inside of Bailey beam respectively
Bailey beam is hung bracket and hanged by hoist；
The first and second hoist cables that hoist engine drives are each passed through hook in the third and fourth U-shaped hook pendant by the 4th step
Fixed pulley after, it is vertical to hang Bailey beam corresponding position；
Bailey beam is segmented into the by the 5th step, the connection below the first U-shaped hook pendant between disassembly Bailey beam standard knot
The main paragraph that the binodal section and the first tackles that one hoist cable is hung are hung, and make binodal section indexing around bracket, by elevator
First hoist cable of machine driving is gradually fallen；Single-unit Bailey beam on the outside of the second U-shaped hook pendant is removed simultaneously；
6th step, the hoisting point position that the suspension centre of the first and second hoist cables is moved to the first and second tackles respectively, and
It gradually translates Bailey beam main body, the weight that the first and second tackles are born is transferred to the first and second hoist cables；
7th step, be completely transferred to Bailey beam body weight the first and second hoist cables and both ends translation avoid bracket in place
After stabilization, hoist engine is manipulated, falls Bailey beam main body, completes disassembly.
Compared with prior art, the present invention has not by the influence of topography, suspender is simple, operation is easy, construction cost is low, suitable
Ying Xingqiang, it is high-efficient, safe and reliable many advantages, such as.
Detailed description of the invention
Fig. 1 is the hooking part structural schematic diagram of one embodiment of the invention.
Fig. 2 is the hooking part pre-buried structure schematic diagram of one embodiment of the invention.
Fig. 3 is one structural schematic diagram of lattice column demounting procedure of invention one embodiment.
Fig. 4 is two structural schematic diagram of lattice column demounting procedure of invention one embodiment.
Fig. 5 is three structural schematic diagram of lattice column demounting procedure of invention one embodiment.
Fig. 6 is four structural schematic diagram of lattice column demounting procedure of invention one embodiment.
Fig. 7 is that the Bailey beam of invention one embodiment dismantles third step structural schematic diagram.
Fig. 8 is that the Bailey beam of invention one embodiment dismantles the 4th step structural schematic diagram.
Fig. 9 is that the Bailey beam of invention one embodiment dismantles the 5th step structural schematic diagram.
Figure 10 is that the Bailey beam of invention one embodiment dismantles the 6th step structural schematic diagram.
Figure 11 is that the Bailey beam of invention one embodiment dismantles the 7th step structural schematic diagram.
Specific embodiment
Embodiment one
The present embodiment combination attached drawing further illustrates skyscraper Bailey beam Demolition Construction method.It the steps include:
The first step when pouring conversion layer load crossbeam, respectively corresponds Bailey beam side second and third list at beam bottom both ends
It is pre-buried for hanging the first and second U taken root above above at first docking and at the docking of Unit first and second of the other side
Shape hooking part U-1, U-2, and spacing is less than Bailey beam standard knot length and is greater than Bailey beam standard on the outside of the first U-shaped hook pendant
Save 1/2 length the pre-buried third U-shaped hook pendant U-3 in position, the second U-shaped hook pendant inside spacing be less than Bailey beam standard knot
Length and the pre-buried 4th U-shaped hook pendant U-4 (referring to Fig. 7) in position for being greater than 1/2 length of Bailey beam standard knot, U-shaped hook pendant
Specific structure can be as shown in Figure 1, with U-shaped main body and the lower hook elbow structure to be extended outwardly out respectively by U-shaped main body both ends
At；As shown in Fig. 2, two lower hook elbows hook the bottom reinforcement bars in load crossbeam L respectively when pre-buried.
Second step removes load crossbeam L formwork for placing and supports two lattice column G of Bailey beam, makes Bailey beam B load in two sides
On the bracket Z-1 of bearing column Z, remove lattice column G the step of are as follows:
Step 1: as shown in figure 3, fix the track D of I-shaped bracing members above the Bailey beam B of corresponding two lattice column G, and
The elevator lifting appliance that installation can slide along track；
Step 2: the non-standard section G-1 at the top of lattice column G is cut off out, after the suspention of elevator lifting appliance, as shown in figure 4,
It moves on in the middle part of track D, it is vertical to transfer；
Step 3: the standard knot G-2 of lattice column G is successively isolated, after the suspention of elevator lifting appliance, as shown in figure 5, moving
It is vertical to transfer in the middle part of track D；
Step 4: as shown in fig. 6, removing the I-steel of track D and support.
Third step vertical is hung in Bailey beam as shown in fig. 7, hooking respectively in first and second U-shaped hook pendant U-1, U-2
First and second tackles H-1, H-2 of side, hang bracket Z-1 for Bailey beam B and hang.
4th step, as shown in figure 8, first and second hoist cable S-1, S-2 that hoist engine drives are each passed through hook in the
It is vertical to hang the corresponding position Bailey beam B after the fixed pulley of three and the 4th U-shaped hook pendant U-3, U-4.
5th step, as shown in figure 9, connection below the first U-shaped hook pendant U-1 between disassembly Bailey beam standard knot, will
Bailey beam B is segmented into the main paragraph B-2 that the binodal section B-1 that the first hoist cable S-1 is hung and the first tackles H-1 are hung, and makes
Binodal section B-1 indexing bypasses bracket, gradually falls by the first hoist cable S-1 that hoist engine drives；The second U-shaped hook is removed simultaneously to hang
Single-unit Bailey beam B-3 on the outside of part U-2.
6th step, as shown in Figure 10, the suspension centre of first and second hoist cable S-1, S-2 is moved into the first and second liftings respectively
The hoisting point position of cucurbit H-1, H-2, and gradually translate Bailey beam main body B-2, first and second tackles H-1, H-2 are held
The weight received is transferred to first and second hoist cable S-1, S-2.
7th step, as shown in figure 11, be completely transferred to first and second hoist cable S-1, S-2 to Bailey beam main body B-2 weight
And both ends translation is avoided manipulating hoist engine, falling Bailey beam main body B-2, complete disassembly, progress must after bracket Z-1 stablizes in place
Repairing, the arrangement wanted.
It was verified that the present embodiment compared with prior art, has the following obvious advantages:
1) crane is not had to without setting up temporary support point, therefore not by the influence of topography；
2) suspender is simple, and operation is easy, and construction cost is low；
3) segmentation successively decline, it is adaptable, it is not limited by Bailey beam Pin number；
4) it first splits section to step down, then main body is whole tears open, high-efficient, short time limit；
5) suspension centre is rationally set, it is ingenious to be shifted by suspender, it can be convenient completion translation avoiding operation；
6) demolishing process key step has hoist cable and tackles " dual fail-safe ", and safety greatly improves.
Claims (4)
1. a kind of skyscraper Bailey beam Demolition Construction method, it is characterised in that include the following steps:
The first step when pouring conversion layer load crossbeam, respectively corresponds Bailey beam side second and third unit pair at beam bottom both ends
The pre-buried first and second U-shaped hooks pendant above at place top and the other side docking of Unit first and second is connect, and in the first U
Spacing is less than Bailey beam standard knot length and is greater than pre-buried 3rd U in position of 1/2 length of Bailey beam standard knot on the outside of shape hooking part
Shape hooking part is less than Bailey beam standard knot length and to be greater than Bailey beam standard knot 1/2 long in the inside spacing of the second U-shaped hook pendant
The pre-buried 4th U-shaped hook pendant in the position of degree；
Second step removes load beam placement template and supports two lattice columns of Bailey beam, makes Bailey beam load in two sides bearing column
Bracket on；
Third step, respectively the first and second U-shaped hook pendants hook it is vertical hang on the inside of Bailey beam first and second lifting calabashes
Bailey beam is hung bracket and hanged by reed；
The first and second hoist cables that hoist engine drives are each passed through to link up with and be determined in the third and fourth U-shaped hook pendant by the 4th step
It is vertical to hang Bailey beam corresponding position after pulley；
5th step dismantles the connection between Bailey beam standard knot from the first U-shaped hook pendant lower section, and Bailey beam is segmented into first and is hung
The main paragraph that the binodal section and the first tackles that rope is hung are hung, and make binodal section indexing around bracket, it is driven by hoist engine
The first dynamic hoist cable is gradually fallen；Single-unit Bailey beam on the outside of the second U-shaped hook pendant is removed simultaneously；
6th step, the hoisting point position that the suspension centre of the first and second hoist cables is moved to the first and second tackles respectively, and gradually
Bailey beam main body is translated, the weight that the first and second tackles are born is transferred to the first and second hoist cables；
7th step, be completely transferred to Bailey beam body weight the first and second hoist cables and both ends translation avoid in place bracket stablize
Afterwards, hoist engine is manipulated, Bailey beam main body is fallen, completes disassembly.
2. skyscraper Bailey beam Demolition Construction method according to claim 1, it is characterised in that: the second step is removed
The step of lattice column are as follows:
Step 1: fixing supporting track above the Bailey beam between two lattice columns corresponding to, and the volume that can be slid along track is installed
Raise lifting appliance；
Step 2: cutting off out the non-standard section of lattice column top, after the suspention of elevator lifting appliance, moves on in the middle part of track (D), hang down
Straight decentralization；
Step 3: successively isolating the standard knot of lattice column, after the suspention of elevator lifting appliance, move on in the middle part of track, under vertical
It puts；
Step 4: removing track and its support.
3. skyscraper Bailey beam Demolition Construction method according to claim 2, it is characterised in that: the U-shaped hook pendant
With U-shaped main body and the lower hook elbow to be extended outwardly out respectively by U-shaped main body both ends.
4. skyscraper Bailey beam Demolition Construction method according to claim 3, it is characterised in that: the U-shaped hook pendant
When pre-buried, two lower hook elbows hook the bottom reinforcement bars in load crossbeam (L) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462707.8A CN107119921B (en) | 2017-06-19 | 2017-06-19 | A kind of skyscraper Bailey beam Demolition Construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462707.8A CN107119921B (en) | 2017-06-19 | 2017-06-19 | A kind of skyscraper Bailey beam Demolition Construction method |
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| CN107119921A CN107119921A (en) | 2017-09-01 |
| CN107119921B true CN107119921B (en) | 2019-07-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411922B (en) * | 2018-03-12 | 2020-07-14 | 江苏东合南岩土科技股份有限公司 | Method for dismantling steel support |
| CN109838114B (en) * | 2019-04-01 | 2024-01-26 | 吉林建筑大学 | Reinforced concrete structure reverse dismantling temporary support conversion device and operation method thereof |
| CN111287098B (en) * | 2020-02-14 | 2021-05-25 | 中建八局第四建设有限公司 | Device for dismantling Bailey beam and construction method thereof |
| CN111622117A (en) * | 2020-05-27 | 2020-09-04 | 中交路桥建设有限公司 | Method for dismantling small-clear-distance bailey bracket |
| CN112502472B (en) * | 2020-11-27 | 2022-07-19 | 上海建工五建集团有限公司 | Support bearing capacity conversion device and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102071649B (en) * | 2011-02-21 | 2012-10-31 | 中国一冶集团有限公司 | System special for hoisting and dismounting bailey frames |
| CN103132463B (en) * | 2013-03-12 | 2015-06-24 | 中国建筑第六工程局有限公司 | Movable hanger operating platform and manufacturing, installing, using and removing methods thereof |
| CN103711078A (en) * | 2013-12-17 | 2014-04-09 | 北京工业大学 | Temporary girder-type support for bridge construction and dismantling method thereof |
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