CN113482397A - Static force dismantling construction method for high-altitude suspension independent frame beam - Google Patents
Static force dismantling construction method for high-altitude suspension independent frame beam Download PDFInfo
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- CN113482397A CN113482397A CN202110732774.3A CN202110732774A CN113482397A CN 113482397 A CN113482397 A CN 113482397A CN 202110732774 A CN202110732774 A CN 202110732774A CN 113482397 A CN113482397 A CN 113482397A
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 230000003068 static effect Effects 0.000 title claims abstract description 19
- 239000000725 suspension Substances 0.000 title claims abstract description 18
- 239000012634 fragment Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000011218 segmentation Effects 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011490 mineral wool Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000011796 hollow space material Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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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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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a static force dismantling construction method for a high-altitude suspension independent frame beam, which comprises the following steps: hanging a rhinestone, a hanging strip, an air compressor, a trolley and a chain block to a eleven-layer roof; b. segmenting the suspension frame beam elastic wire: carrying out line snapping segmentation on the suspended frame beam according to the hoisting weight; c. and (3) installing a water drill: installing a rhinestone at the position of a segment line to be cut according to the technical requirements; d. and (3) structure excision: starting the equipment, starting the water drill to operate, and cutting the concrete structure beam in sections; e. cutting the steel bars: cutting off the steel bars of the structural beam after the cutting is finished; f. and (3) concrete fragment transportation: hoisting the bagged concrete fragments to a roof by using a chain block, and transporting the concrete fragments to a hoisting position of a winch function by using a trolley; g. hoisting: hoisting the concrete fragments of the roof to a garbage stacking position; h. loading: the concrete fragments are shoveled onto a slag car by a forklift. The invention solves the construction difficulty of static force dismantling of the high-altitude suspension independent frame beam.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a static force dismantling construction method for a high-altitude suspension independent frame beam.
Background
And (3) static force dismantling construction of the high-place suspension independent frame beam, wherein the section size of the independent frame beam is 400 multiplied by 400mm, and the storey of the independent frame beam is eleven to fourteen. The height of the column of the suspended frame beam is 2.3 meters, the span of the frame beam is 3.36 meters, and the static force dismantling difficulty of the high-altitude suspended independent frame beam is very large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a static force dismantling method for a high-altitude suspension independent frame beam, and solves the construction problem of the static force dismantling of the high-altitude suspension independent frame beam.
In order to solve the technical problem, the invention is realized as follows:
a static force dismantling construction method for a high-altitude suspension independent frame beam is characterized by comprising the following steps:
a. preparing equipment: hanging a rhinestone, a hanging strip, an air compressor, a trolley and a chain block to a eleven-layer roof;
b. segmenting the suspension frame beam elastic wire: carrying out line snapping segmentation on the suspended frame beam according to the hoisting weight;
c. and (3) installing a water drill: installing a rhinestone at the position of a segment line to be cut according to the technical requirements;
d. and (3) structure excision: starting the equipment, starting the water drill to operate, and cutting the concrete structure beam in sections;
e. cutting the steel bars: cutting off the steel bars of the structural beam after the cutting is finished;
f. and (3) concrete fragment transportation: hoisting the bagged concrete fragments to a roof by using a chain block, and transporting the concrete fragments to a hoisting position of a winch function by using a trolley;
g. hoisting: hoisting the concrete fragments of the roof to a garbage stacking position;
h. loading: the concrete fragments are shoveled onto a slag car by a forklift.
The static force dismantling construction method for the high-altitude suspension independent frame beam is characterized by comprising the following steps of: the excision sites include the following:
(1) and all the 11-14 layers of suspended frame beams are dismantled:
according to design requirements, involving the structure demolition: according to different contents and scales of parts needing to be dismantled, adopting a dismantling sequence from top to bottom, and adopting necessary measures to ensure the structural safety in the construction process; the local dismantling of the part with smaller area can be carried out simultaneously; according to design requirements, in the dismantling construction of the project, a water drilling cutting method is adopted to reduce the influence on the original structure;
(2) dismantling the peripheral beam plate support and reinforcement in the range:
1) when the suspended frame is dismantled, the beam bottom of the beam of the suspended frame needs to be supported and unloaded, the vertical distance of the vertical rods of the beam bottom supporting frame is 0.4 meter, the transverse distance of the vertical rods is 0.3 meter, the step distance of the vertical rods is 1.2 meters, and the step distance of the top layer is 0.36 meter; the upright stanchions are connected with the cross bars by fasteners; a protective scaffold is erected in the hollow range of the suspended frame beam, the protective scaffold is erected in the longitudinal direction, the longitudinal distance between the vertical rods is 0.8 m, the transverse distance between the vertical rods is 0.9 m, the step distance between the vertical rods is 1.5 m, and the bottom support distance between the scaffold boards is 0.3 m. The transverse support of the protective frame adopts double steel pipes, the vertical cross braces are arranged along the whole height of the periphery of the frame body, and the vertical rods and the cross rods are connected in a double-fastener mode; a layer of 18mm wood scaffold board is fully paved on the uppermost step frame, and is used as a lifting and transferring platform when the block is cut off when the floor slab is dismantled;
2) and finished product protection of the window: and laying a layer of fireproof rock wool quilt on the wood scaffold board at the upper part of the window to prevent the finely-crushed lump materials from falling off, and wrapping the window by using a plastic film to protect the finished product of the window.
The invention has the beneficial effects that: the invention aims to solve the static dismantling construction of the similar high-altitude suspension independent frame beam. The construction method comprises the steps of drilling a hole by using water at a position with small stress on a beam erection column of an existing line-snapping subsection, hanging a 3-ton hanging strip at the hole or hanging a hanging strip on the beam erection column in advance, and then dismantling and lifting the high-altitude independent beam erection by using the water drill subsection is adopted, so that the construction difficulty of dismantling the high-altitude independent beam erection static force is solved.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is a first schematic view of a protection frame.
Fig. 2 is a second schematic view of a protection frame.
Detailed Description
As shown in fig. 1: a static force demolition construction method for a high-place suspension independent frame beam is characterized in that a water drill cutting method is used for cutting off suspended frame beams in sections, a chain block and a 3-ton hanging belt are used for transporting concrete sections to a position of a floor surface hoister, and the hoister is used for hoisting the concrete sections to the ground;
a. preparing equipment: hanging a rhinestone with the diameter of 108mm, a hanging strip, an air compressor, a trolley and a chain block to a eleven-layer roof;
b. segmenting the suspension frame beam elastic wire: carrying out line snapping segmentation on the suspended frame beam according to the hoisting weight;
c. and (3) installing a water drill: installing a rhinestone at the position of a segment line to be cut according to the technical requirements;
d. and (3) structure excision: starting the equipment, starting the water drill to operate, and cutting the concrete structure beam in sections;
e. cutting the steel bars: cutting off the steel bars of the structural beam after the cutting is finished;
f. and (3) concrete fragment transportation: hoisting the bagged concrete fragments to a roof by using a chain block, and transporting the concrete fragments to a hoisting position of a winch function by using a trolley;
g. hoisting: hoisting the concrete fragments of the roof to a garbage stacking position;
h. loading: the concrete fragments are shoveled onto a slag car by a forklift.
The excision sites include the following:
(1) and all the 11-14 layers of suspended frame beams are dismantled:
according to design requirements, involving the structure demolition: according to different contents and scales of parts needing to be dismantled, adopting a dismantling sequence from top to bottom, and adopting necessary measures to ensure the structural safety in the construction process; the local dismantling of the part with smaller area can be carried out simultaneously; according to design requirements, in the dismantling construction of the project, a water drilling cutting method is adopted to reduce the influence on the original structure;
(2) dismantling the peripheral beam plate support and reinforcement in the range:
as shown in fig. 1 and 2: 1) when the suspended frame is dismantled, the beam bottom of the beam of the suspended frame needs to be supported and unloaded, the vertical distance of the vertical rods of the beam bottom supporting frame is 0.4 meter, the transverse distance of the vertical rods is 0.3 meter, the step distance of the vertical rods is 1.2 meters, and the step distance of the top layer is 0.36 meter; the upright stanchions are connected with the cross bars by fasteners; a protective scaffold is erected in the hollow range of the suspended frame beam, the protective scaffold is erected in the longitudinal direction, the longitudinal distance between the vertical rods is 0.8 m, the transverse distance between the vertical rods is 0.9 m, the step distance between the vertical rods is 1.5 m, and the bottom support distance between the scaffold boards is 0.3 m. The transverse support of the protective frame adopts double steel pipes, the vertical cross braces are arranged along the whole height of the periphery of the frame body, and the vertical rods and the cross rods are connected in a double-fastener mode; a layer of 18mm wood scaffold board is fully paved on the uppermost step frame, and is used as a lifting and transferring platform when the block is cut off when the floor slab is dismantled;
2) and finished product protection of the window: laying a layer of fireproof rock wool quilt on the wood scaffold board at the upper part of the window to prevent the finely crushed lump materials from falling off, and wrapping the window by using a plastic film to protect the finished product of the window;
the construction principle is as follows: the construction technology solves the construction of static force demolition of the high suspended independent frame beam, and adopts a construction method that a hole is drilled by water at a position with smaller stress on a frame beam column with a section of a springing line in advance, a 3-ton hanging belt is hung at the position of the hole or the hanging belt is hung on the frame beam in advance, then the water drill is used for subsection demolition, and subsection hoisting is carried out, so that the construction difficulty of static force demolition of the high suspended independent frame beam is solved.
The construction process flow comprises the following steps: static force is removed, namely, water drilling equipment is prepared, hanging frame beam elastic line segmentation is carried out, water drilling is installed, a protective scaffold is erected, the original window of a resident is protected, water drilling is carried out to open a construction opening, segmentation is carried out on the frame beam, concrete fragments are hoisted, and loading is carried out.
Note that:
(1) and a dismantling principle: from bottom to top, the column is firstly arranged and then the beam is arranged, and the column and the beam are sequentially dismantled layer by layer, so that the vertical crossing operation is avoided. The demolition work is performed in the reverse order of the building construction.
(2) And carrying out high-altitude dismantling operation, timely cleaning the dismantled materials, stacking the materials in a specified place in a classified manner, and forbidding downward throwing.
Claims (2)
1. A static force dismantling construction method for a high-altitude suspension independent frame beam is characterized by comprising the following steps:
a. preparing equipment: hanging a rhinestone, a hanging strip, an air compressor, a trolley and a chain block to a eleven-layer roof;
b. segmenting the suspension frame beam elastic wire: carrying out line snapping segmentation on the suspended frame beam according to the hoisting weight;
c. and (3) installing a water drill: installing a rhinestone at the position of a segment line to be cut according to the technical requirements;
d. and (3) structure excision: starting the equipment, starting the water drill to operate, and cutting the concrete structure beam in sections;
e. cutting the steel bars: cutting off the steel bars of the structural beam after the cutting is finished;
f. and (3) concrete fragment transportation: hoisting the bagged concrete fragments to a roof by using a chain block, and transporting the concrete fragments to a hoisting position of a winch function by using a trolley;
g. hoisting: hoisting the concrete fragments of the roof to a garbage stacking position;
h. loading: the concrete fragments are shoveled onto a slag car by a forklift.
2. The static dismantling construction method for the high-altitude suspension independent frame beam according to claim 1, characterized in that: the excision sites include the following:
(1) and all the 11-14 layers of suspended frame beams are dismantled:
according to design requirements, involving the structure demolition: according to different contents and scales of parts needing to be dismantled, adopting a dismantling sequence from top to bottom, and adopting necessary measures to ensure the structural safety in the construction process; the local dismantling of the part with smaller area can be carried out simultaneously; according to design requirements, in the dismantling construction of the project, a water drilling cutting method is adopted to reduce the influence on the original structure;
(2) dismantling the peripheral beam plate support and reinforcement in the range:
1) when the suspended frame is dismantled, the beam bottom of the beam of the suspended frame needs to be supported and unloaded, the vertical distance of the vertical rods of the beam bottom supporting frame is 0.4 meter, the transverse distance of the vertical rods is 0.3 meter, the step distance of the vertical rods is 1.2 meters, and the step distance of the top layer is 0.36 meter; the upright stanchions are connected with the cross bars by fasteners; a protective scaffold is erected in the hollow space range of the suspended frame beam, the protective scaffold is erected along the longitudinal direction, the vertical distance of the vertical rods is 0.8 m, the transverse distance of the vertical rods is 0.9 m, the step distance of the vertical rods is 1.5 m, and the bottom support distance of the scaffold plate is 0.3 m; the transverse support of the protective frame adopts double steel pipes, the vertical cross braces are arranged along the whole height of the periphery of the frame body, and the vertical rods and the cross rods are connected in a double-fastener mode; a layer of 18mm wood scaffold board is fully paved on the uppermost step frame, and is used as a lifting and transferring platform when the block is cut off when the floor slab is dismantled;
2) and finished product protection of the window: and laying a layer of fireproof rock wool quilt on the wood scaffold board at the upper part of the window to prevent the finely-crushed lump materials from falling off, and wrapping the window by using a plastic film to protect the finished product of the window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732774.3A CN113482397A (en) | 2021-06-30 | 2021-06-30 | Static force dismantling construction method for high-altitude suspension independent frame beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110732774.3A CN113482397A (en) | 2021-06-30 | 2021-06-30 | Static force dismantling construction method for high-altitude suspension independent frame beam |
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| CN113482397A true CN113482397A (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166816A (en) * | 2023-11-03 | 2023-12-05 | 北京市第三建筑工程有限公司 | Method for dismantling overhanging arc-shaped beam of high-rise building |
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|---|---|---|---|---|
| CN105696808A (en) * | 2015-12-31 | 2016-06-22 | 上海建工五建集团有限公司 | Reinforced concrete supporting structure and dismantling method |
| CN110359729A (en) * | 2018-04-11 | 2019-10-22 | 中国二十冶集团有限公司 | The carrierless method for dismounting of concrete support beam |
| CN110512895A (en) * | 2019-08-22 | 2019-11-29 | 温州金茂建设有限公司 | A kind of high-rise cast-in-place concrete building demolition construction method |
| CN110905232A (en) * | 2019-11-29 | 2020-03-24 | 上海宝冶市政工程有限公司 | Mechanical static force dismantling method for concrete structure |
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2021
- 2021-06-30 CN CN202110732774.3A patent/CN113482397A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696808A (en) * | 2015-12-31 | 2016-06-22 | 上海建工五建集团有限公司 | Reinforced concrete supporting structure and dismantling method |
| CN110359729A (en) * | 2018-04-11 | 2019-10-22 | 中国二十冶集团有限公司 | The carrierless method for dismounting of concrete support beam |
| CN110512895A (en) * | 2019-08-22 | 2019-11-29 | 温州金茂建设有限公司 | A kind of high-rise cast-in-place concrete building demolition construction method |
| CN110905232A (en) * | 2019-11-29 | 2020-03-24 | 上海宝冶市政工程有限公司 | Mechanical static force dismantling method for concrete structure |
Non-Patent Citations (1)
| Title |
|---|
| 张宁: "混凝土梁静力拆除施工质量控制研究", 《建筑施工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117166816A (en) * | 2023-11-03 | 2023-12-05 | 北京市第三建筑工程有限公司 | Method for dismantling overhanging arc-shaped beam of high-rise building |
| CN117166816B (en) * | 2023-11-03 | 2024-04-12 | 北京市第三建筑工程有限公司 | Method for dismantling overhanging arc-shaped beam of high-rise building |
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Application publication date: 20211008 |