CN113482396A - Static force dismantling construction method for indoor wall - Google Patents
Static force dismantling construction method for indoor wall Download PDFInfo
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- CN113482396A CN113482396A CN202110732764.XA CN202110732764A CN113482396A CN 113482396 A CN113482396 A CN 113482396A CN 202110732764 A CN202110732764 A CN 202110732764A CN 113482396 A CN113482396 A CN 113482396A
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- 238000010276 construction Methods 0.000 title claims abstract description 50
- 230000003068 static effect Effects 0.000 title claims abstract description 36
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000005336 cracking Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000012634 fragment Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 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
-
- 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
- E04G23/082—Wrecking of buildings using shears, breakers, jaws and the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a static force demolition construction method for an indoor wall, which comprises the following steps: static force demolition hydraulic clamp equipment preparation, indoor area protection, demolition of a window on a wall to be demolished, snapping of a line on the wall, installation of hydraulic clamps, crushing of the wall, structural reinforcement, demolition of component edges, lifting of concrete fragments and loading. Firstly, taking protective measures for an indoor area, removing a window on a wall after protection is finished, popping up the length of a section to be disassembled on the wall, crushing concrete of the wall to be disassembled by using a handheld hydraulic clamp, bagging the crushed concrete, transporting the bagged crushed concrete to the position of a floor face hoister by using a trolley, and hoisting the concrete section to the ground by using a hoister; after the dismantling construction is completed, the structure is reinforced, so that potential safety hazards of the structure are prevented.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a static dismantling construction method for an indoor wall.
Background
And (3) performing static dismantling construction on the indoor wall, wherein the thickness of the wall to be dismantled is 200mm, and the wall length is 1.5m and 1.6m respectively. The static force of indoor wall is demolishd and is related to the floor and is two to fourteen layers. Potential safety hazards easily appear in the structure during dismantling construction.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a static force dismantling construction method for an indoor wall, and solves the problem of similar static force dismantling construction for the indoor wall.
In order to solve the technical problem, the invention is realized as follows:
a construction method for static demolition of an indoor wall is characterized by comprising the following steps:
firstly, a static force demolition construction principle:
firstly, taking protective measures for an indoor area, removing a window on a wall after protection is finished, popping up the length of a section to be disassembled on the wall, crushing concrete of the wall to be disassembled by using a handheld hydraulic clamp, bagging the crushed concrete, transporting the bagged crushed concrete to the position of a floor face hoister by using a trolley, and hoisting the concrete section to the ground by using a hoister;
secondly, a hydraulic tong crushing construction method comprises the following steps:
the hydraulic tongs are pushed by a high-pressure oil cylinder to reduce the jaw, and local static extrusion and shear cracking are carried out on the reinforced concrete, so that the concrete structural member is crushed;
thirdly, construction equipment:
the equipment required for the static dismantling construction of the indoor wall body comprises a handheld hydraulic clamp, an air compressor, an electric angle grinder, a winch, a trolley, a crowbar, a five-meter steel tape and an ink box;
fourthly, dismantling the part of the project:
the demolition part is that 2-14 layers of east vertical window lower walls are completely demolished:
according to design requirements, involving the structure demolition: according to different contents and scales of parts needing to be dismantled, the dismantling sequence from top to bottom is adopted, necessary measures are taken, the structural safety in the construction process is guaranteed, the parts with smaller local dismantling areas can be simultaneously dismantled, and in the dismantling construction of the project, the wall is crushed by adopting the handheld hydraulic clamp so as to reduce the influence on the original structure;
fifthly, construction technology:
(1) static demolition equipment preparation
Hoisting equipment such as hydraulic tongs, an air compressor, a cutting machine and the like into a floor to be dismantled by using a winch;
(2) indoor area protection in dismantling range
When the fireproof protective film is detached, indoor finished products need to be protected, indoor articles are protected by the film, and a layer of fireproof protection is carried out by fireproof cloth. The ground is protected with fire protection.
(3) Wall crushing
Starting the equipment, operating the hydraulic pliers and crushing the concrete wall surface. And after the concrete of the window lower wall is crushed, cutting off the steel bars of the window lower wall.
(4) Structural reinforcement
And reinforcing the original structure after the demolished wall is demolished, wherein the reinforcing method is to plant ribs on the shear walls on two sides to reinforce the frame beam and increase the H-shaped steel reinforced frame beam at the bottom of the frame beam.
1) And for the A-axis wall body, the original wall body stirrup is reserved when the static force is removed, and the reserved length is 140 mm. After the window lower wall is dismantled, two HRB 400-grade stressed steel bars with the diameter of 20mm are additionally arranged at the upper part of the frame beam, the steel bars are implanted into the shear walls on the two sides, and the deep parts of the implanted steel bars are not less than 15 d. And after the construction of the upper stressed steel bar is finished, the reserved stirrups are bent and welded, the single-side welding length is not less than 10d, and the double-side welding length is not less than 5 d.
2) For the wall between A, D shafts, after static force is removed, an H-shaped steel beam is additionally arranged below a frame beam, the length of the steel beam is 3.4 meters, the height of the steel beam is 160mm, the width of the steel beam is 200mm, the steel beam shear wall is connected by adopting a reserved buried plate in a welding mode, and the buried plate and the shear wall are connected by adopting an M12 chemical anchor bolt; the steel beam and the frame beam are connected by adopting a bonded steel reinforcing construction process under the beam.
The invention has the beneficial effects that: a construction method of static force demolition from top to bottom is adopted, a window on a wall body to be demolished is firstly removed, demolition section lengths are popped up on the wall, and then hand-held hydraulic tongs are adopted to crush wall body concrete. After the dismantling construction is finished, reinforcing measures are taken for the structure, so that potential safety hazards are prevented from occurring in the structure, and the construction difficulty of the static dismantling of the indoor wall is solved.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a cross-sectional view of the reinforcement of the A-axis structure.
FIG. 2 is a cross-sectional view of the structural reinforcement between the A, D axles.
FIG. 3 shows the connection of steel beams to shear walls.
Fig. 4 is a view a-a of fig. 3.
Detailed Description
As shown in fig. 1: a construction method for static dismantling of an indoor wall body,
firstly, a static force demolition construction principle:
firstly taking protective measures for indoor areas, removing windows on the wall after protection, popping up the length of a section to be disassembled on the wall, clamping and crushing concrete of the wall to be disassembled by using a handheld hydraulic clamp, conveying the concrete crushed material into a position of a floor face hoister by using a trolley for bagging, and hoisting the concrete section to the ground by using the hoister.
Secondly, a hydraulic tong crushing construction method comprises the following steps:
(1) and the working principle is as follows:
the hydraulic tongs are pushed by a high-pressure oil cylinder to reduce the jaw, and local static extrusion and shear cracking are carried out on the reinforced concrete, so that the concrete structural member is crushed;
(2) and the working characteristics are as follows:
1) low noise, fast construction speed, low labor intensity and no adverse effect on building structures.
2) The operation is simple and convenient, and the efficiency is high.
Thirdly, construction equipment:
the equipment required for the static dismantling construction of the indoor wall body comprises a handheld hydraulic clamp, an air compressor, an electric angle grinder, a winch, a trolley, a crowbar, a five-meter steel tape, an ink box and the like.
Fourthly, dismantling the part of the project:
the demolition part is that 2-14 layers of east vertical window lower walls are completely demolished:
according to design requirements, involving the structure demolition: according to different contents and scales of the parts needing to be dismantled, the dismantling sequence from top to bottom is adopted, and necessary measures are taken to ensure the structural safety in the construction process. The partial removal of the part with a smaller area can be carried out simultaneously. In the demolition construction of the project, the wall body is crushed by the handheld hydraulic clamp so as to reduce the influence on the original structure.
Fifthly, construction technology:
(1) static demolition equipment preparation
Hoisting equipment such as hydraulic tongs, an air compressor, a cutting machine and the like to a floor to be dismantled by using a winch.
(2) Indoor area protection in dismantling range
When the fireproof protective film is detached, indoor finished products need to be protected, indoor articles are protected by the film, and a layer of fireproof protection is carried out by fireproof cloth. The ground is protected with fire protection.
(3) Wall crushing
Starting the equipment, operating the hydraulic pliers and crushing the concrete wall surface. And after the concrete of the window lower wall is crushed, cutting off the steel bars of the window lower wall.
(4) Structural reinforcement
And reinforcing the original structure after the demolished wall is demolished, wherein the reinforcing method is to plant ribs on the shear walls on two sides to reinforce the frame beam and increase the H-shaped steel reinforced frame beam at the bottom of the frame beam.
As shown in fig. 1-4: 1) and for the A-axis wall body, the original wall body stirrup is reserved when the static force is removed, and the reserved length is 140 mm. After the window lower wall is dismantled, two HRB 400-grade stressed steel bars with the diameter of 20mm are additionally arranged at the upper part of the frame beam, the steel bars are implanted into the shear walls on the two sides, and the deep parts of the implanted steel bars are not less than 15 d. And after the construction of the upper stressed steel bar is finished, the reserved stirrups are bent and welded, the single-side welding length is not less than 10d, and the double-side welding length is not less than 5 d.
2) For the wall between A, D shafts, after static force is removed, an H-shaped steel beam is additionally arranged below a frame beam, the length of the steel beam is 3.4 meters, the height of the steel beam is 160mm, the width of the steel beam is 200mm, the steel beam shear wall is connected by adopting a reserved buried plate in a welding mode, and the buried plate and the shear wall are connected by adopting an M12 chemical anchor bolt; the steel beam and the frame beam are connected by adopting a bonded steel reinforcing construction process under the beam.
The construction process flow comprises the following steps: static force demolition hydraulic tong equipment preparation, indoor area protection, demolition of a window on a wall to be demolished, snapping of a line on the wall, installation of hydraulic tongs, wall crushing, structural reinforcement, demolition of component edges, chiseling of concrete fragments and hoisting and loading.
The construction principle is as follows: the construction technology solves the construction of the static demolition of the indoor wall body, adopts a construction method of the static demolition from top to bottom, firstly removes a window on the wall body to be demolished, pops out the demolition section length on the wall, and then adopts a handheld hydraulic clamp to crush the wall body concrete. After the dismantling construction is completed, reinforcing measures are taken for the structure, and potential safety hazards are prevented from occurring in the structure. The construction difficulty of static force demolition of the indoor wall is solved.
Claims (1)
1. A construction method for static demolition of an indoor wall is characterized by comprising the following steps:
firstly, a static force demolition construction principle:
firstly, taking protective measures for an indoor area, removing a window on a wall after protection is finished, popping up the length of a section to be disassembled on the wall, crushing concrete of the wall to be disassembled by using a handheld hydraulic clamp, bagging the crushed concrete, transporting the bagged crushed concrete to the position of a floor face hoister by using a trolley, and hoisting the concrete section to the ground by using a hoister;
secondly, a hydraulic tong crushing construction method comprises the following steps:
the hydraulic tongs are pushed by a high-pressure oil cylinder to reduce the jaw, and local static extrusion and shear cracking are carried out on the reinforced concrete, so that the concrete structural member is crushed;
thirdly, construction equipment:
the equipment required for the static dismantling construction of the indoor wall body comprises a handheld hydraulic clamp, an air compressor, an electric angle grinder, a winch, a trolley, a crowbar, a five-meter steel tape and an ink box;
fourthly, dismantling the part of the project:
the demolition part is that 2-14 layers of east vertical window lower walls are completely demolished:
according to design requirements, involving the structure demolition: according to different contents and scales of parts needing to be dismantled, the dismantling sequence from top to bottom is adopted, necessary measures are taken, the structural safety in the construction process is guaranteed, the parts with smaller local dismantling areas can be simultaneously dismantled, and in the dismantling construction of the project, the wall is crushed by adopting the handheld hydraulic clamp so as to reduce the influence on the original structure;
fifthly, construction technology:
(1) static demolition equipment preparation
Hoisting equipment such as hydraulic tongs, an air compressor, a cutting machine and the like into a floor to be dismantled by using a winch;
(2) indoor area protection in dismantling range
When the product is dismantled, the indoor finished product is protected, firstly, the indoor article is protected by a film, a layer of fireproof protection is carried out by fireproof cloth, and the ground is protected by a fireproof quilt;
(3) wall crushing
Starting the equipment, operating the hydraulic pliers and crushing the concrete wall surface. And after the concrete of the window lower wall is crushed, cutting off the steel bars of the window lower wall.
(4) Structural reinforcement
After the demolished wall is demolished, reinforcing the original structure, wherein the reinforcing method is to plant ribs on the shear walls on two sides to reinforce the frame beam and increase an H-shaped steel reinforced frame beam at the bottom of the frame beam;
1) and for the A-axis wall body, the original wall body stirrup is reserved when the static force is removed, and the reserved length is 140 mm. After the window lower wall is dismantled, two HRB 400-grade stressed steel bars with the diameter of 20mm are additionally arranged at the upper part of the frame beam, the steel bars are implanted into the shear walls on the two sides, and the deep parts of the implanted steel bars are not less than 15 d. After the construction of the upper stressed steel bar is finished, the reserved stirrups are bent and welded, the single-side welding length is not less than 10d, and the double-side welding length is not less than 5 d;
2) for the wall between A, D shafts, after static force is removed, an H-shaped steel beam is additionally arranged below a frame beam, the length of the steel beam is 3.4 meters, the height of the steel beam is 160mm, the width of the steel beam is 200mm, the steel beam shear wall is connected by adopting a reserved buried plate in a welding mode, and the buried plate and the shear wall are connected by adopting an M12 chemical anchor bolt; the steel beam and the frame beam are connected by adopting a bonded steel reinforcing construction process under the beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732764.XA CN113482396A (en) | 2021-06-30 | 2021-06-30 | Static force dismantling construction method for indoor wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110732764.XA CN113482396A (en) | 2021-06-30 | 2021-06-30 | Static force dismantling construction method for indoor wall |
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| CN113482396A true CN113482396A (en) | 2021-10-08 |
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| CN202110732764.XA Pending CN113482396A (en) | 2021-06-30 | 2021-06-30 | Static force dismantling construction method for indoor wall |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202194396U (en) * | 2011-08-29 | 2012-04-18 | 王哲明 | Hydraulic brick wall dismantling tongs |
| CN105569376A (en) * | 2015-12-17 | 2016-05-11 | 上海建工一建集团有限公司 | Demolition construction method for building wall |
| CN108518084A (en) * | 2018-04-28 | 2018-09-11 | 上海建工二建集团有限公司 | The additional structure and method that shear wall is removed in frame-shear-wall structure |
| CN211974449U (en) * | 2020-03-16 | 2020-11-20 | 广东中森建设工程有限公司 | Large-span beam reinforcing structure |
-
2021
- 2021-06-30 CN CN202110732764.XA patent/CN113482396A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202194396U (en) * | 2011-08-29 | 2012-04-18 | 王哲明 | Hydraulic brick wall dismantling tongs |
| CN105569376A (en) * | 2015-12-17 | 2016-05-11 | 上海建工一建集团有限公司 | Demolition construction method for building wall |
| CN108518084A (en) * | 2018-04-28 | 2018-09-11 | 上海建工二建集团有限公司 | The additional structure and method that shear wall is removed in frame-shear-wall structure |
| CN211974449U (en) * | 2020-03-16 | 2020-11-20 | 广东中森建设工程有限公司 | Large-span beam reinforcing structure |
Non-Patent Citations (1)
| Title |
|---|
| 邱良碧: "厂房改造工程中的墙体拆除施工技术分析", 《四川水泥》 * |
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Application publication date: 20211008 |