CN105464066B - The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed - Google Patents
The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed Download PDFInfo
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- CN105464066B CN105464066B CN201511002446.9A CN201511002446A CN105464066B CN 105464066 B CN105464066 B CN 105464066B CN 201511002446 A CN201511002446 A CN 201511002446A CN 105464066 B CN105464066 B CN 105464066B
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- bailey
- brackets
- single pin
- wire rope
- steel wire
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02C—SHIP-LIFTING DEVICES OR MECHANISMS
- E02C5/00—Mechanisms for lifting ships vertically
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- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses the construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed, comprises the steps：S1：Preparation of construction；Preset on closing beam slab and the one-to-one embedded hole of list Pin Bailey brackets and hang thing hole, positioned at the middle part of every Pin Bailey brackets, the thing hole position of hanging is in the end of every Pin Bailey brackets for the embedded hole；S2：Hoist engine is moved to by embedded hole, steel wire rope of windlass is stretched into along embedded hole and fastened in the middle part of single Pin Bailey brackets；Lifting appliance is moved to and is hung by thing hole, lifting appliance steel wire rope edge is hung thing hole and stretches into and fasten in corresponding single Pin Bailey brackets end；S3：Single Pin Bailey brackets lifting；S4：Repeat step S2 removes each single Pin Bailey brackets successively to step S3, until completing.The present invention has the advantages that not limited by Bailey bracket large span, avoid operation at sea, lift by crane that stroke is short, efficiency high.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to a kind of Bailey bracket of the high drop top board closing of large span is torn open
The construction method removed.
Background technology
Bailey bracket truss principal applies more in science of bridge building at present, and ties as plate-girder at the top of creation of vertical ship elevator
Structure truss principal application is also less, and top beam slab Bailey bracket truss principal is removed in high-altitude operation at sea, and execution conditions are complicated.Example
Such as, in the room of existing Goupitan first order vertical ship lift ship railway carriage or compartment, bridge span of slab reaches 18m, and the top board at top is all closed, high
Sky is waterborne to carry out dismounting operation, and the Bailey bracket after dismounting is transported from waterborne by marine equipments such as cargo ships, completes to remove work,
Whole demolishing process is extremely loaded down with trivial details, dangerous high, and very high requirement is proposed to workmen.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, there is provided a kind of not by Bailey bracket large span
Limit, avoid the construction party that operation at sea, lifting stroke be short, the high drop top board closing of large span of efficiency high Bailey bracket is removed
Method.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：
The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed, comprises the steps：
S1：Preparation of construction；Preset on closing beam slab and the one-to-one embedded hole of list Pin Bailey brackets and hang thing hole, it is described
Embedded hole is located at the middle part per Pin Bailey brackets, and the thing hole position of hanging is in the end of every Pin Bailey brackets；
S2：Hoist engine is moved to by embedded hole, steel wire rope of windlass is stretched into along embedded hole and fastened in single Pin Bailey brackets
Middle part；Lifting appliance is moved to and is hung by thing hole, lifting appliance steel wire rope edge is hung thing hole and stretches into and fasten in corresponding single Pin shellfishes thunder
Frame end portion；
S3：Single Pin Bailey brackets lifting；Specifically include：
S31：Steel wire rope of windlass is tightened up, and cuts off the embedded fixing component at single Pin Bailey brackets two ends, and adjacent two Pin
Connector between Bailey bracket；
S32：Steel wire rope of windlass drives single Pin Bailey brackets to stop after declining 2～3m, lifting appliance rope hoisting,
Steel wire rope of windlass declines, and keeps list Pin Bailey brackets to rotate in the same plane, until list Pin Bailey brackets are vertical；
S33：Lifting appliance steel wire rope is lifted up single Pin Bailey brackets, until hanging out from hanging in thing hole；
S4：Repeat step S2 removes each single Pin Bailey brackets successively to step S3, until completing.
As the further improvement of above-mentioned technical proposal：
The two ends of single Pin Bailey brackets are equipped with a horizontal bearing point, and in step S32, steel wire rope of windlass drives
Before single Pin Bailey brackets decline 2～3m, a rope, the cable traction list Pin shellfish thunders are fastened in single Pin Bailey brackets first
Frame horizontally rotates, until list Pin Bailey brackets depart from horizontal bearing point.
When removing Pin Bailey brackets second from the bottom, last Pin Bailey bracket is fixed temporarily.
It is when removing last Pin Bailey bracket, first interim fixed, then using hanging ladder as carrying out cutting off operation in step S31
Safety operation frame.
The preparation of construction of step S1 also includes, removes the scaffold tube bearing bent frame above Bailey bracket, and by each list
Pin Bailey bracket number consecutivelies.
The scaffold tube bearing bent frame is removed after finishing, and set up dismounting personnel's climbing into Bailey bracket from hanging at thing hole
Ladder, then bamboo springboard is set up between single Pin Bailey brackets, as the personnel of dismounting construction passage and job platform.
In step S1, when roof beam board concrete is poured, pre-buried pipeline is used as embedded hole.
The steel wire rope of windlass, lifting appliance steel wire rope are bright wire rope of the diameter not less than φ 16mm.
Compared with prior art, it is an advantage of the current invention that：
The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span of the present invention is removed, by the shellfish of an entirety
Thunder truss is divided into multiple single Pin Bailey brackets to be removed one by one, reduce difficulty of construction, closing beam slab on presetting preburied hole and
Thing hole is hung, is that lifting is prepared.During construction, steel wire rope of windlass is fastened in the middle part of single Pin Bailey brackets by embedded hole（Center of gravity
Or it is close to center of gravity）, lifting appliance steel wire rope fastened in the end of single Pin Bailey brackets by hanging thing hole, single Pin Bailey brackets lifting,
Rotate up in the same plane vertically, be hung out by thing hole is hung, single Pin Bailey brackets are by horizontally rotating to hanging out after vertically, not by shellfish
The restriction of thunder truss large span, operator carry out constructing operation on Bailey truss and beam slab, it is to avoid operation at sea, play hanging
Journey is short, efficiency high.
Description of the drawings
Fig. 1 is the schematic flow sheet of the construction method that the Bailey bracket of the high drop beam slab closing of large span of the present invention is removed.
Fig. 2 is embedded hole of the present invention and hangs the arrangement schematic top plan view in thing hole.
Fig. 3 is embedded hole of the present invention and hangs the arrangement schematic cross-section in thing hole.
Fig. 4 is schematic diagram one of the single Pin Bailey brackets of the present invention during lifting.
Fig. 5 is schematic diagram two of the single Pin Bailey brackets of the present invention during lifting.
Fig. 6 is schematic diagram three of the single Pin Bailey brackets of the present invention during lifting.
In figure, each label is represented：
1st, embedded hole；2nd, hang thing hole；3rd, hoist engine；4th, steel wire rope of windlass；5th, lifting appliance；6th, lifting appliance steel wire
Rope.
Specific embodiment
The present invention is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 5 shows the construction method that a kind of Bailey bracket of the high drop beam slab closing of large span of the present invention is removed
Embodiment, which comprises the steps：
S1：Preparation of construction；Overall Bailey bracket is divided into multiple single Pin Bailey brackets to remove successively, it is pre- on closing beam slab
If with the one-to-one embedded hole 1 of single Pin Bailey brackets and hang thing hole 2, embedded hole 1 is located at the middle part per Pin Bailey brackets, hangs thing hole 2
Positioned at the end of every Pin Bailey brackets；
S2：Hoist engine 3 is moved to by embedded hole 1, steel wire rope of windlass 4 is stretched into along embedded hole 1 and fastened in single Pin shellfishes thunder
The middle part of frame；Lifting appliance 5 is moved to and is hung by thing hole 2, lifting appliance steel wire rope 6 is stretched into and fastened in corresponding along thing hole 2 is hung
Single Pin Bailey brackets end；Steel wire rope of windlass 4 is stretched into along embedded hole 1 and is fastened in the middle part of single Pin Bailey brackets, to fasten in single Pin
Center of gravity or to be close to center of gravity preferable in the middle part of Bailey bracket, it is to avoid acutely rock after lifting.
S3：Single Pin Bailey brackets lifting；Specifically include：
S31：Steel wire rope of windlass 4 is tightened up, and cuts off the embedded fixing component at single Pin Bailey brackets two ends, and adjacent two Pin shellfish thunders
Connector between frame；Other articles are avoided to produce interference to lifting.
S32：Steel wire rope of windlass 4 drives single Pin Bailey brackets to stop after declining 2～3m, and lifting appliance steel wire rope 6 is lifted, and is rolled up
Raise machine steel wire rope 4 to decline, keep list Pin Bailey brackets to rotate in the same plane, until list Pin Bailey brackets are vertical；In same plane
Interior rotation, it is to avoid acutely rock during lifting, so as to cause security incident.
S33：Lifting appliance steel wire rope 6 is lifted up single Pin Bailey brackets, until hanging out from hanging in thing hole 2；In the present embodiment,
Lifting appliance steel wire rope 6 is provided with two Heave Heres in single Pin Bailey brackets, and two Heave Heres are located at same one end, during lifting, two
Lift by crane simultaneously Heave Here.
S4：Repeat step S2 removes each single Pin Bailey brackets successively to step S3, until completing.
The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span of the present invention is removed, by the shellfish of an entirety
Thunder truss is divided into multiple single Pin Bailey brackets to be removed one by one, reduces difficulty of construction, 1 He of presetting preburied hole on closing beam slab
Thing hole 2 is hung, is that lifting is prepared.During construction, steel wire rope of windlass is fastened in the middle part of single Pin Bailey brackets by embedded hole（Center of gravity
Or it is close to center of gravity）, lifting appliance steel wire rope fastened in the end of single Pin Bailey brackets by hanging thing hole, single Pin Bailey brackets lifting,
Rotate up in the same plane vertically, be hung out by thing hole is hung, single Pin Bailey brackets are by horizontally rotating to hanging out after vertically, not by shellfish
The restriction of thunder truss large span, operator carry out constructing operation on Bailey truss and beam slab, it is to avoid operation at sea, play hanging
Journey is short, efficiency high.
In the present embodiment, the two ends of single Pin Bailey brackets are equipped with a horizontal bearing point, in above-mentioned steps S32, hoist engine steel
Before cord 4 drives single Pin Bailey brackets to decline 2～3m, a rope, cable traction list are fastened in single Pin Bailey brackets first
Pin Bailey brackets horizontally rotate, until list Pin Bailey brackets depart from horizontal bearing point.
In the present embodiment, when removing Pin Bailey brackets second from the bottom, last Pin Bailey bracket is fixed temporarily.
It is in the present embodiment, when removing last Pin Bailey bracket, first interim fixed, then using hanging ladder as entering in step S31
Row cuts off the safety operation frame of operation.
In the present embodiment, the preparation of construction of step S1 also includes, removes the scaffold tube bearing bent frame above Bailey bracket, and
By each single Pin Bailey brackets number consecutively.Before construction, multiple single Pin Bailey brackets from left to right or from right to left number consecutively is easy to
Lifting, the identification of numbering are strong, facilitate demolishing process to carry out in order.
In the present embodiment, scaffold tube bearing bent frame is removed after finishing, and set up dismounting personnel into shellfish thunder from hanging at thing hole 2
The cat ladder of frame, then bamboo springboard is set up between single Pin Bailey brackets, as the personnel of dismounting construction passage and job platform.
In the present embodiment, in step S1, when roof beam board concrete is poured, pre-buried pipeline is used as embedded hole 1.The present embodiment
In, embedded hole 1 and hang thing hole 2 before concreting just it is first pre-buried go out, be that later construction dismounting is prepared.
In the present embodiment, steel wire rope of windlass 4, lifting appliance steel wire rope 6 are bright steel wire of the diameter not less than φ 16mm
Rope.
In the present embodiment, it is 25t truck cranes that the lifting appliance 5 of site layout project is removed in construction, and hoist engine 3 is 10t hoist engines.
Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.It is any to be familiar with ability
The technical staff in domain, in the case of without departing from technical solution of the present invention scope, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible variations and modification, or the Equivalent embodiments for being revised as equivalent variations.Therefore, it is every
Without departing from the content of technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all should fall in the range of technical solution of the present invention protection.
Claims (8)
1. the construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed, it is characterised in that：Comprise the steps：
S1：Preparation of construction；Overall Bailey bracket is divided into multiple single Pin Bailey brackets to remove successively, preset on closing beam slab with
The one-to-one embedded hole of each single Pin Bailey brackets（1）With hang thing hole（2）, the embedded hole（1）Positioned at the middle part of every Pin Bailey brackets,
It is described to hang thing hole（2）Positioned at the end of every Pin Bailey brackets；
S2：By hoist engine（3）Move to embedded hole（1）Side, steel wire rope of windlass（4）Along embedded hole（1）Stretch into and fasten in single Pin
The middle part of Bailey bracket；By lifting appliance（5）Move to and hang thing hole（2）Side, lifting appliance steel wire rope（6）Hang thing hole in edge（2）Stretch into simultaneously
Fasten in corresponding single Pin Bailey brackets end；
S3：Single Pin Bailey brackets lifting；Specifically include：
S31：Steel wire rope of windlass（4）Tighten up, cut off the embedded fixing component at single Pin Bailey brackets two ends, and adjacent two Pin shellfishes
Connector between thunder frame；
S32：Steel wire rope of windlass（4）Single Pin Bailey brackets are driven to stop after declining 2～3m, lifting appliance steel wire rope（6）Carry
Rise, steel wire rope of windlass（4）Decline, keep list Pin Bailey brackets to rotate in the same plane, until list Pin Bailey brackets are vertical；
S33：Lifting appliance steel wire rope（6）Single Pin Bailey brackets are lifted up, until from hanging thing hole（2）Inside hang out；
S4：Repeat step S2 removes each single Pin Bailey brackets successively to step S3, until completing.
2. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 1 is removed, its feature exist
In：The two ends of single Pin Bailey brackets are equipped with a horizontal bearing point, in step S32, steel wire rope of windlass（4）Drive
Before single Pin Bailey brackets decline 2～3m, a rope, the cable traction list Pin shellfish thunders are fastened in single Pin Bailey brackets first
Frame horizontally rotates, until list Pin Bailey brackets depart from horizontal bearing point.
3. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 1 and 2 is removed, its feature
It is：When removing Pin Bailey brackets second from the bottom, last Pin Bailey bracket is fixed temporarily.
4. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 3 is removed, its feature exist
In：When removing last Pin Bailey bracket, using hanging ladder as carrying out cutting off the safety operation frame of operation in step S31.
5. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 1 is removed, its feature exist
In：The preparation of construction of step S1 also includes, removes the scaffold tube bearing bent frame above Bailey bracket, and by each single Pin shellfishes thunder
Frame number consecutively.
6. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 5 is removed, its feature exist
In：The scaffold tube bearing bent frame is removed after finishing, from hanging thing hole（2）Place sets up dismounting personnel into the cat ladder of Bailey bracket,
Bamboo springboard is set up between single Pin Bailey brackets again, as the personnel of dismounting construction passage and job platform.
7. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 1 is removed, its feature exist
In：In step S1, when roof beam board concrete is poured, pre-buried pipeline is used as embedded hole（1）.
8. the construction method that the Bailey bracket of the high drop beam slab closing of large span according to claim 1 is removed, its feature exist
In：The steel wire rope of windlass（4）, lifting appliance steel wire rope（6）It is not less than the bright wire rope of φ 16mm for diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002446.9A CN105464066B (en) | 2015-12-29 | 2015-12-29 | The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002446.9A CN105464066B (en) | 2015-12-29 | 2015-12-29 | The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed |
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| Publication Number | Publication Date |
|---|---|
| CN105464066A CN105464066A (en) | 2016-04-06 |
| CN105464066B true CN105464066B (en) | 2017-03-29 |
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| CN201511002446.9A Active CN105464066B (en) | 2015-12-29 | 2015-12-29 | The construction method that a kind of Bailey bracket of the high drop beam slab closing of large span is removed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117911881B (en) * | 2024-03-20 | 2024-06-11 | 四川公路桥梁建设集团有限公司 | Long-span bridge construction positioning method and related device |
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|---|---|---|---|---|
| EP0854237A1 (en) * | 1997-01-18 | 1998-07-22 | Krupp Fördertechnik GmbH | Laying vehicle and process for placing dismountable bridges |
| MD4011B1 (en) * | 2009-08-26 | 2010-01-29 | Grigore CEAPA | Process for the erection of the cast-in-situ reinforced pile and auxiliary mounter for realization thereof |
| CN102134833A (en) * | 2011-02-21 | 2011-07-27 | 中国一冶集团有限公司 | Construction method for hoisting and disassembling bailey truss |
| CN102900027A (en) * | 2012-10-22 | 2013-01-30 | 中铁十局集团有限公司 | Dismounting method of bailey beam with upwardly strode existing lines and underneath penetrated existing bridge |
| CN103321213A (en) * | 2013-05-31 | 2013-09-25 | 中交第二航务工程局有限公司 | Integral installation device and method for water reinforcement cage |
| CN204456881U (en) * | 2015-02-09 | 2015-07-08 | 中建二局第一建筑工程有限公司 | Dismantling system of large-span building bailey frame |
-
2015
- 2015-12-29 CN CN201511002446.9A patent/CN105464066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0854237A1 (en) * | 1997-01-18 | 1998-07-22 | Krupp Fördertechnik GmbH | Laying vehicle and process for placing dismountable bridges |
| MD4011B1 (en) * | 2009-08-26 | 2010-01-29 | Grigore CEAPA | Process for the erection of the cast-in-situ reinforced pile and auxiliary mounter for realization thereof |
| CN102134833A (en) * | 2011-02-21 | 2011-07-27 | 中国一冶集团有限公司 | Construction method for hoisting and disassembling bailey truss |
| CN102900027A (en) * | 2012-10-22 | 2013-01-30 | 中铁十局集团有限公司 | Dismounting method of bailey beam with upwardly strode existing lines and underneath penetrated existing bridge |
| CN103321213A (en) * | 2013-05-31 | 2013-09-25 | 中交第二航务工程局有限公司 | Integral installation device and method for water reinforcement cage |
| CN204456881U (en) * | 2015-02-09 | 2015-07-08 | 中建二局第一建筑工程有限公司 | Dismantling system of large-span building bailey frame |
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| Title |
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| 三峡升船机贝雷架安装与拆除技术;刘勇、陈建峡;《中国工程科学》;20130915;第15卷(第9期);77-82 * |
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| CN105464066A (en) | 2016-04-06 |
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