CN107419918A - A kind of Historical Buildings periphery single-layer frame retains method for dismounting - Google Patents
A kind of Historical Buildings periphery single-layer frame retains method for dismounting Download PDFInfo
- Publication number
- CN107419918A CN107419918A CN201710622293.0A CN201710622293A CN107419918A CN 107419918 A CN107419918 A CN 107419918A CN 201710622293 A CN201710622293 A CN 201710622293A CN 107419918 A CN107419918 A CN 107419918A
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- China
- Prior art keywords
- building
- dismounting
- layer frame
- preserved
- steel
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- 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.)
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Classifications
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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
Abstract
The present invention relates to a kind of Historical Buildings periphery single-layer frame to retain method for dismounting, including following steps：In interior of building floor perforate, people's cat ladder is set up；Demolition of buildings peripheral accessory facility；Scaffold is set up in architecture enclosing, and does not set up people's packway on scaffold, the post with Historical Buildings, beam are connected respectively by scaffold；Demolition of buildings will remove the wall at position；Type steel support is installed along part building cycle beam bottom is removed；Supporting protection device is continuously arranged along preserved building part of horizontal direction；Separation cutting preserved building and dismounting are built；Preserved building periphery single-layer frame beam, post and supporting protection device connect；Beam, post, plate of the preserved building in addition to peripheral single-layer frame are removed；Dismounting position is needed to remove to building.The present invention greatly reduces the impact and interference removed in operation to retaining framework, effectively increases historical building monolithic and retains safety and stability of the framework in operation process is removed.
Description
Technical field
The invention belongs to technical field of building construction, retains more particularly to a kind of Historical Buildings periphery single-layer frame and removes
Method.
Background technology
Tied during the Conservation and Renovation to historical protective buildings thing, it is necessary to be identified according to the assessment of existing building security
Fruit and the requirement of design, inner space and plane figure to inhering architecture are following the situation of laws and regulations requirement and power and energy
Under, partial dismantling and Conservative restoration are carried out, so as to realize on the basis of maximum possible keeps the old history of original appearance, by rationally increasing
Smartness is built to be developed and utilized to historical building, expands modern functions.According to design requirement, some Historical Buildings
Need to carry out partial demolition to existing building structural system, only retain part layout skin texture and facade, such as remove most frame
Frame system, only retain outside single-layer frame, then to retaining structural strengthening and increasing new structure.And because this protectiveness is repaired
Scheme can make the single-layer frame of reservation completely disengage the support of original structure system in demolishing process, and the risk of construction is significantly
Increase.Formulation science, the technical scheme of safety are needed to such Demolition Construction, it is real so as to ensure the security in work progress
Now historical building retention is removed.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of Historical Buildings periphery single-layer frame and retain method for dismounting,
Solving protectiveness repairerment scheme can make the single-layer frame of reservation completely disengage the support of original structure system in demolishing process, apply
The problem of risk of work greatly increases.
The technical solution adopted for the present invention to solve the technical problems is：A kind of Historical Buildings periphery single-layer frame is provided
Retain method for dismounting, including following steps：
(a) in interior of building floor perforate, people's cat ladder is set up；
(b) demolition of buildings peripheral accessory facility；
(c) set up scaffold in architecture enclosing, and do not set up people's packway on scaffold, by scaffold respectively with history
The post of building, beam connection；
(d) demolition of buildings will remove the wall at position；
(e) along dismounting part building cycle beam bottom installation type steel support；
(f) supporting protection device is continuously arranged along preserved building part of horizontal direction, supporting protection device is by steel structure tower
Frame and truss composition, are arranged vertically to preserved building along preserved building short transverse；
(g) separation is cut preserved building and removed and builds, and cutting position is arranged on preserved building one and rides against nearly dismounting building
At the side column 500mm of side, cutting width 300mm-500mm；
(h) preserved building periphery single-layer frame beam, post and supporting protection device connect；
(i) beam, post, plate of the preserved building in addition to peripheral single-layer frame are removed；
(j) dismounting position is needed to remove to building.
The further technical scheme of the present invention is, in the step (a), upper people's cat ladder is to be set up using steel pipe.
The further technical scheme of the present invention is that in the step (b), the affiliated facility includes plug-in stair.
The further technical scheme of the present invention is that in the step (c), post, the beam of the Historical Buildings are provided with
Anchor ear attachment means a, it is rigidly connected with scaffold single tube.
The further technical scheme of the present invention is, in the step (d), removes wall masonry structure part and uses pneumatic pick
From top to bottom crushed；Dismantling concrete slab-wall structure part is cut by 3m × 1.5m piecemeals, each cutting plates
2 lifting hole(eyelet)s are opened with water drilling is symmetrical, and lifting hole(eyelet) is more than or equal to 300mm apart from cutting plates, is hung over steel wire penetrating lifting hole(eyelet)
On crane, steel wire rope is set to be in stress；4 angle points respectively open 1 hole with water drilling on piecemeal line of cut, using diamond rope saw
Machine cuts concrete board wall along line of cut piecemeal.
The further technical scheme of the present invention is, in the step (e), preserved building and dismounting building carry out separation and cut
Before cutting, the hanging wall construction floor installation type steel support that will be formed to removing part is reinforced.
The further technical scheme of the present invention is that the reinforcing mode is along dismounting position building outer ring floor type
Bracing members diagonal brace reinforce, the type steel support using H profile steel make, lower end be located at lower floor's floor beam at suspension column, upper end it is oblique
Support in upper strata floor beam bottom, the type steel support upper end shaped steel centre distance preserved building end bay post edge 1500mm~
2000mm, steel connecting plate is welded at the H profile steel both ends, and connecting plate is provided with screwed hole, and the type steel support is respectively by pre-
4 chemical bolts being embedded on upper and lower floor beam are fixed, and are connected between adjacent type steel support by 2 horizontal steel tubes.
The further technical scheme of the present invention is, in the step (f) and step (h), the supporting protection device water
Square to apart from preserved building thing be more than or equal to 1.5m, bottom set reinforced concrete foundation, and every layer of Vierendeel girder of preserved building,
Post sets anchor ear using angle steel, and the anchor ear is socketed by the steel column of steel channel connector and steelwork tower truss.
The further technical scheme of the present invention is, in the step (i), when being removed to upper strata floor, in lower floor
Full hall support frame is set up in floor lower end, one layer of woodwork plate is laid in upper end.
The further technical scheme of the present invention is, in the step (j), removes the beam of preserved building single-layer frame side
Post is cut using diamond-wire saw, and cut surface reserves 50mm to single-layer frame is retained, then is manually rejected using dabbing machine, substantially
Planished after leveling using polishing machine.
Beneficial effect
Peripheral single-layer frame retention is carried out to historical protective buildings thing to remove, substantially reduce by method provided by the invention
Impact and interference to retaining framework in operation are removed, historical building monolithic is effectively increased and retains framework and removing operation
Safety and stability in journey.
Brief description of the drawings
Fig. 1 is top view of the present invention.
Fig. 2 is front view of the present invention.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
As depicted in figs. 1 and 2, a kind of Historical Buildings periphery single-layer frame retains method for dismounting, including following step
Suddenly：
1st, in interior of building floor perforate, people's cat ladder 7 is set up, upper people's cat ladder 7 is to be set up using steel pipe；
2nd, the affiliated facility such as plug-in stair in demolition of buildings periphery；
3rd, scaffold 2 is set up in architecture enclosing, and does not set up people's packway on scaffold 2, by scaffold 2 respectively with going through
The post of history building, beam connection, post, the beam of the Historical Buildings are provided with anchor ear attachment means a, firm with the single tube of scaffold 2
Property connection；
4th, demolition of buildings will remove the wall at position：Wall masonry structure part is removed from top to bottom to carry out using pneumatic pick
It is broken；Dismantling concrete slab-wall structure part is cut by 3m × 1.5m piecemeals, each cutting plates water drilling or so pair
Title opens 2 lifting hole(eyelet)s, and lifting hole(eyelet) is more than or equal to 300mm apart from cutting plates, is hung over steel wire penetrating lifting hole(eyelet) on crane, makes steel wire
Rope is in stress；4 angle points respectively open 1 hole with water drilling on piecemeal line of cut, are divided using diamond-wire saw along line of cut
Block cuts concrete board wall；
5th, along dismounting part building cycle beam bottom installation type steel support 3：Preserved building and dismounting building carry out separation cutting
Before, the hanging wall construction floor installation type steel support 3 that will be formed to removing part is reinforced, and the reinforcing mode is that position is removed on edge
Building outer ring floor is reinforced with the diagonal brace of type steel support 3, and the type steel support 3 is made using H profile steel, lower end is located at lower floor's floor
Beam is at suspension column, upper end diagonal brace is in upper strata floor beam bottom, the upper end shaped steel centre distance preserved building side of type steel support 3
Across post edge 1500mm~2000mm, steel connecting plate is welded at the H profile steel both ends, and connecting plate is provided with screwed hole, the type
Bracing members 3 are fixed by 4 chemical bolts being embedded on upper and lower floor beam respectively, and are led between adjacent type steel support 3
2 horizontal steel tubes 4 are crossed to connect；
6th, supporting protection device 1 is continuously arranged along preserved building part of horizontal direction, supporting protection device 1 is by steel structure tower
Frame 11 and truss 12 form, and are arranged vertically along preserved building short transverse to preserved building, the water of supporting protection device 1
Square to apart from preserved building thing be more than or equal to 1.5m, bottom set reinforced concrete foundation；
7th, separate cutting preserved building and remove building, cutting position is arranged on preserved building one and rides against nearly dismounting building one
At the post 500mm of side, cutting width 300mm-500mm；
8th, preserved building periphery single-layer frame beam, post and supporting protection device 1 connect, every layer of Vierendeel girder of preserved building, post
Anchor ear 5 is set using angle steel, the anchor ear 5 is socketed by steel channel connector 6 and the steel column of steelwork tower truss 11；
9th, beam, post, plate of the preserved building in addition to peripheral single-layer frame are removed：Upper strata floor is removed
When, full hall support frame 8 is set up in lower floor's floor lower end, one layer of woodwork plate is laid in upper end；
10th, dismounting position is needed to remove to building：The beam column of preserved building single-layer frame side is removed using gold
Hard rock rope saw is cut, and cut surface reserves 50mm to single-layer frame is retained, then is manually rejected using dabbing machine, is adopted after basic leveling
Planished with polishing machine.
To reduce pollution of the dust to surrounding environment during Demolition Construction, spray equipment is laid on peripheral scaffold 2,
Water spray is carried out in demolishing process to dismounting position to drench.
Claims (10)
1. a kind of Historical Buildings periphery single-layer frame retains method for dismounting, it is characterised in that：Comprise the following steps：
(a) in interior of building floor perforate, people's cat ladder (7) is set up；
(b) demolition of buildings peripheral accessory facility；
(c) scaffold (2) is set up in architecture enclosing, and people's packway is not set up on scaffold (2), by scaffold (2) respectively
Post, beam with Historical Buildings are connected；
(d) demolition of buildings will remove the wall at position；
(e) along dismounting part building cycle beam bottom installation type steel support (3)；
(f) supporting protection device (1) is continuously arranged along preserved building part of horizontal direction, supporting protection device (1) is by steel construction
Pylon (11) and truss (12) composition, are arranged vertically to preserved building along preserved building short transverse；
(g) separation is cut preserved building and removed and builds, and cutting position is arranged on preserved building one and rides against nearly dismounting building side
At side column 500mm, cutting width 300mm-500mm；
(h) preserved building periphery single-layer frame beam, post and supporting protection device (1) connect；
(i) beam, post, plate of the preserved building in addition to peripheral single-layer frame are removed；
(j) dismounting position is needed to remove to building.
2. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (a), upper people's cat ladder (7) is to be set up using steel pipe.
3. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (b), the affiliated facility includes plug-in stair.
4. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (c), post, the beam of the Historical Buildings are provided with anchor ear attachment means a, are rigidly connected with scaffold (2) single tube.
5. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (d), remove wall masonry structure part and from top to bottom crushed using pneumatic pick；Press dismantling concrete slab-wall structure part
3m × 1.5m piecemeals are cut, and each cutting plates water drilling is symmetrical to open 2 lifting hole(eyelet)s, and lifting hole(eyelet) is apart from cutting plates
More than or equal to 300mm, hung over steel wire penetrating lifting hole(eyelet) on crane, steel wire rope is in stress；4 on piecemeal line of cut
Individual angle point respectively opens 1 hole with water drilling, and concrete board wall is cut along line of cut piecemeal using diamond-wire saw.
6. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (e), before preserved building carries out separation cutting with dismounting building, the hanging wall construction floor that will be formed to removing part is installed
Type steel support (3) is reinforced.
7. a kind of Historical Buildings periphery single-layer frame according to right 6 retains method for dismounting, it is characterised in that：It is described to add
Gu mode is to be reinforced along dismounting position building outer ring floor type steel support (3) diagonal brace, the type steel support (3) uses H types
Steel makes, lower end be located at lower floor's floor beam at suspension column, upper end diagonal brace is in upper strata floor beam bottom, the type steel support (3)
Steel connecting plate is welded at upper end shaped steel centre distance preserved building end bay post edge 1500mm~2000mm, the H profile steel both ends, and
Connecting plate is provided with screwed hole, and the type steel support (3) is entered by 4 chemical bolts being embedded on upper and lower floor beam respectively
Row is fixed, and is connected between adjacent type steel support (3) by 2 horizontal steel tubes (4).
8. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (f) and step (h), supporting protection device (1) the horizontal direction distance preserved building thing is more than or equal to 1.5m, bottom is set
Reinforced concrete foundation is put, and every layer of Vierendeel girder of preserved building, post set anchor ear (5) using angle steel, the anchor ear (5) passes through groove
The steel column of steel fastener (6) and steelwork tower truss (11) is socketed.
9. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：The step
Suddenly in (i), when being removed to upper strata floor, full hall support frame (8) is set up in lower floor's floor lower end, one layer of carpenter is laid in upper end
Plate.
10. a kind of Historical Buildings periphery single-layer frame according to right 1 retains method for dismounting, it is characterised in that：It is described
In step (j), the beam column of preserved building single-layer frame side is removed using diamond-wire saw cutting, and cut surface is to retaining monolithic
Framework reserves 50mm, then is manually rejected using dabbing machine, is planished after basic leveling using polishing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622293.0A CN107419918B (en) | 2017-07-27 | 2017-07-27 | A kind of Historical Buildings periphery single-layer frame retains method for dismounting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622293.0A CN107419918B (en) | 2017-07-27 | 2017-07-27 | A kind of Historical Buildings periphery single-layer frame retains method for dismounting |
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| Publication Number | Publication Date |
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| CN107419918A true CN107419918A (en) | 2017-12-01 |
| CN107419918B CN107419918B (en) | 2019-06-14 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110284729A (en) * | 2019-06-12 | 2019-09-27 | 上海市建筑装饰工程集团有限公司 | A kind of historical building wall sectional type cutting disassembling method |
| CN110656787A (en) * | 2018-06-29 | 2020-01-07 | 中国二十冶集团有限公司 | Protection device for building interior demolition and use method thereof |
| CN112727147A (en) * | 2020-12-23 | 2021-04-30 | 浙江省一建建设集团有限公司 | Outdoor suspended step dismantling method |
| CN112982851A (en) * | 2021-02-26 | 2021-06-18 | 中国二十冶集团有限公司 | Construction method of fire-fighting evacuation stair structure of movie theatre beside reserved column |
| WO2022077892A1 (en) * | 2020-10-16 | 2022-04-21 | 上海建工四建集团有限公司 | Outer wall reinforcing device and method in building reconstruction |
| CN114673377A (en) * | 2022-04-09 | 2022-06-28 | 中建八局第三建设有限公司 | Remanufacturing construction method for reserving external wall and hollowing inside of historical building |
| CN114737789A (en) * | 2022-04-28 | 2022-07-12 | 中建八局第三建设有限公司 | Combined structure dismantling and external wall temporary reinforcing construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110656787A (en) * | 2018-06-29 | 2020-01-07 | 中国二十冶集团有限公司 | Protection device for building interior demolition and use method thereof |
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| CN112982851A (en) * | 2021-02-26 | 2021-06-18 | 中国二十冶集团有限公司 | Construction method of fire-fighting evacuation stair structure of movie theatre beside reserved column |
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| CN114673377B (en) * | 2022-04-09 | 2024-01-26 | 中建八局第三建设有限公司 | Construction method for retaining and reconstructing exterior wall of historical building and hollow interior |
| CN114737789A (en) * | 2022-04-28 | 2022-07-12 | 中建八局第三建设有限公司 | Combined structure dismantling and external wall temporary reinforcing construction method |
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| CN107419918B (en) | 2019-06-14 |
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