CN112963014A - Method for dismantling external wall of existing building - Google Patents
Method for dismantling external wall of existing building Download PDFInfo
- Publication number
- CN112963014A CN112963014A CN202110197892.9A CN202110197892A CN112963014A CN 112963014 A CN112963014 A CN 112963014A CN 202110197892 A CN202110197892 A CN 202110197892A CN 112963014 A CN112963014 A CN 112963014A
- Authority
- CN
- China
- Prior art keywords
- wall
- existing building
- dismantled
- exterior wall
- pulling
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 30
- 239000002023 wood Substances 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000007306 turnover Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention relates to a method for dismantling the outer wall of the existing building, which comprises the following steps: fixedly installing a traction device close to an outer wall to be dismantled on a floor slab of an existing building; connecting a traction device with the outer wall to be dismantled, and tensioning the outer wall to be dismantled towards the inner side of the existing building by using the traction device; cutting off the tie bars on the side part of the outer wall to be dismantled; and pulling the outer wall to be dismantled towards the inner side of the existing building by using a pulling device so that the outer wall to be dismantled is inclined towards the inner side of the existing building, thereby completing the dismantling of the outer wall. The demolition method adopts the traction device to pull the outer wall inwards, so that the construction is simple and convenient, and the cost is saved. When dismantling, utilize the tractive device to exert inside prestressing force to the outer wall earlier, can ensure that the outer wall can not outwards topple over in the outer wall cutting operation process, improved the security of construction. The traction device performs traction operation, and the safety problem that a constructor is too close to an outer wall to be dismantled can be solved.
Description
Technical Field
The invention relates to the technical field of building engineering, in particular to a method for dismantling an existing building outer wall.
Background
Along with social development, domestic old buildings are continuously increased, available land is reduced, the original building dismantling and transformation is changed into a new hot point, the dismantling of the outer wall of a masonry building is difficult, the dismantling cost of the outer side of the conventional double-row scaffold is too high, the dismantling cost is only set up to be unreliable, and the safety cannot be guaranteed when a hanging basket is adopted for dismantling. Therefore, it is necessary to provide a safe and cost-effective method for removing the exterior wall.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method for dismantling the outer wall of the existing building, and solves the problems that the dismantling cost of the existing double-row scaffold is too high and the safety of basket dismantling cannot be guaranteed.
The technical scheme for realizing the purpose is as follows:
the invention provides a method for dismantling an outer wall of an existing building, which comprises the following steps:
fixedly installing a traction device close to an outer wall to be dismantled on a floor slab of an existing building;
connecting the traction device with the external wall to be dismantled, and tensioning the external wall to be dismantled towards the inner side of the existing building by using the traction device;
cutting off the tie bars on the side part of the outer wall to be dismantled; and
and pulling the outer wall to be dismantled towards the inner side of the existing building by using the pulling device so that the outer wall to be dismantled is inclined towards the inner side of the existing building, thereby completing the dismantling of the outer wall.
The demolition method adopts the traction device to pull the outer wall inwards, so that the construction is simple and convenient, and the cost is saved. When dismantling, utilize the tractive device to exert inside prestressing force to the outer wall earlier, can ensure that the outer wall can not outwards topple over in the outer wall cutting operation process, improved the security of construction. The traction device performs traction operation, and the safety problem that a constructor is too close to an outer wall to be dismantled can be solved.
The method for dismantling the external wall of the existing building is further improved in that when the external wall to be dismantled is positioned at more than two floors, an overhanging protection frame is arranged at a lower floor slab of the external wall to be dismantled;
the position corresponding to the outer wall is enclosed and blocked by the arranged overhanging protective frame;
the method comprises the steps of covering protective cloth on the outer side of an outer wall to be dismantled, connecting the top of the protective cloth with a structure above the outer wall to be dismantled on an existing building, connecting the bottom of the protective cloth with the edge of a cantilever protective frame, and connecting the side of the protective cloth with a corresponding structure on the existing building.
The method for dismantling the outer wall of the existing building is further improved in that at least three layers of outer walls above the overhanging protective frame are covered by the protective cloth when the protective cloth is arranged.
The invention further improves the existing building outer wall dismantling method, which also comprises the following steps:
and providing an oblique pulling piece, obliquely connecting the oblique pulling piece between the existing building and the overhanging protection frame, and pulling the overhanging protection frame through the oblique pulling piece.
The method for dismantling the external wall of the existing building is further improved in that before the external wall is dismantled, a buffer structure is arranged on the floor corresponding to the toppling position of the external wall to be dismantled, and the toppled external wall is borne by the buffer structure.
The invention further improves the existing building outer wall dismantling method, and the step of arranging the buffer structure comprises the following steps:
providing a bracket, wherein the size of the provided bracket is matched with that of the outer wall to be dismantled, and the bracket is arranged on the floor slab at an inclined position corresponding to the outer wall to be dismantled;
and providing a wood springboard, and paving the wood springboard at the top of the bracket to form the buffer structure.
The method for dismantling the external wall of the existing building is further improved in that the step of connecting the traction device with the external wall to be dismantled comprises the following steps:
drilling holes on two sides of the outer wall to be dismantled to form through holes penetrating through the outer wall to be dismantled;
and one end of a pulling rope of the pulling device penetrates out of the through hole at one side and penetrates into the through hole at the other side, and then is connected with the pulling device.
The method for dismantling the external wall of the existing building is further improved in that when the traction device is arranged, the distance between the traction device and the external wall to be dismantled is larger than 1.5 times of the height of the external wall to be dismantled.
The method for removing the external wall of the existing building is further improved in that a guardrail structure is arranged at the dumping position of the external wall to be removed on the floor slab before the external wall is removed.
The method for dismantling the external wall of the existing building is further improved in that before the tie bars are cut off, the inclined building structure at the top of the external wall to be dismantled is removed.
Drawings
Fig. 1 is a flow chart of a demolition method of an existing building exterior wall according to the present invention.
Fig. 2 is a schematic structural view of the existing building exterior wall demolition method of the present invention when the exterior wall is demolished.
Fig. 3 is a side cross-sectional view of the structure shown in fig. 2.
Figure 4 is a side view of the structure of figure 2 inside a building.
Figure 5 is a side view of the structure of figure 2 on the outside of a building.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a method for dismantling an external wall of an existing building, the external wall is dismantled in an inward-inclining manner by matching a traction device with an overhanging protection frame, and the overhanging protection frame only needs to bear a small amount of residue falling, so that the overhanging protection frame is simple and convenient to install and convenient to turnover, the safety of dismantling the external wall can be guaranteed, and the cost can be saved. Furthermore, the protection that the multilayer outer wall was demolishd can be realized to protection frame that encorbelments combined the protection cloth, need not every and demolish the protection frame that just will encorbelment and shift up the one deck of one deck outer wall, can improve the efficiency that the outer wall was demolishd for demolish work more convenient. When the outer wall is dismantled, the load of the outer wall during toppling is relieved through the arranged buffer structure, and the safety of the dismantling process is ensured. The method for demolishing the external wall of the existing building of the invention is explained below with reference to the accompanying drawings.
Referring to fig. 1, a flow chart of the demolition method of the existing building outer wall of the present invention is shown. The method for demolishing the external wall of the existing building of the present invention will be described with reference to fig. 1.
As shown in fig. 1, the demolition method of the existing building outer wall of the present invention includes the following steps:
step S101 is executed, and a traction device arranged close to an outer wall to be dismantled is fixedly installed on a floor slab of an existing building; as shown in fig. 1 and 2, a pulling device 21 is provided on the floor 12 of the same floor of the exterior wall 11 to be removed, and then the removal of the exterior wall 11 is performed by using the pulling device 21. Then, step S102 is executed;
step S102 is executed, the traction device is connected with the outer wall to be dismantled, and the outer wall to be dismantled is tensioned towards the inner side of the existing building by the traction device; the traction device 21 applies prestress which is pulled towards the inner side direction of the building to the outer wall 11 to be dismantled so as to prevent the outer wall from being carelessly and integrally toppled towards the outer side in the dismantling process, and therefore the dismantling safety of the outer wall is ensured. Then, step S103 is executed;
step S103 is executed, and the tie bars on the side of the outer wall to be dismantled are cut off; then, step S104 is executed;
step S104 is performed to pull the outer wall to be dismantled toward the inner side of the existing building by using a pulling device so that the outer wall to be dismantled is inclined toward the inner side of the existing building, thereby completing the dismantling of the outer wall.
As shown in fig. 2 and 3, the existing building 10 includes an outer wall 11, a floor 12, a structural column 13 and a structural beam 14, the structural column 13 and the structural beam 14 are connected to form a frame structure, the floor 12 is located at each floor, the floor 12 is correspondingly connected with the structural column 13 and the structural beam 14, the outer wall 11 is located at an outer vertical surface, the outer wall 11 is correspondingly connected with the structural column 13 and the structural beam 14, the outer wall 11 is a masonry wall, a side portion of the masonry wall is anchored and connected with the structural column 13 through a tie bar, when the outer wall 11 is removed, the tie bar connecting the outer wall 11 and the structural column 13 needs to be cut off, when the tie bar is cut off, a constructor can operate inside the existing building 10, because the top and the bottom of the outer wall 11 are fixedly connected with the structural beam 14 through cement mortar, when the tie bar is cut off, the outer wall 11 does not topple over, and operation safety can be ensured. When the tie bar is cut, the angle grinder is adopted to cut off the joint of the outer wall 11 and the structural column 13, so that the tie bar is cut off.
In one embodiment of the present invention, as shown in fig. 2 and 3, when the exterior wall 11 to be dismantled is located at more than two floors, an overhanging protection frame 22 is disposed at the lower floor 12 of the exterior wall 11 to be dismantled;
the position corresponding to the outer wall is enclosed by the arranged overhanging protective frame 22;
the protection cloth 23 is covered on the outer side of the outer wall 11 to be dismantled, the top of the protection cloth 23 is connected with a structure, located above the outer wall 11 to be dismantled, on the existing building 10, the bottom of the protection cloth 23 is connected with the edge of the overhanging protection frame 22, and the side of the protection cloth 23 is connected with a corresponding structure on the existing building 10.
The overhanging protection frame 22 is arranged on the lower floor slab 12, the protection cloth 23 is erected by utilizing the overhanging protection frame 22, the outer side of the outer wall 11 of the existing building 10 is wrapped by the protection cloth 23, residues are prevented from falling, and the safety of the dismantling process is ensured. The overhanging protective frame 22 only needs to bear a small amount of residues, does not need bearing, is simple and convenient to install, can be rotated and can save the cost.
Further, as shown in fig. 3 and 5, when the protective cloth 23 is provided, at least three layers of outer walls above the overhanging protective frame 22 are covered by the protective cloth 23. So once encorbelmenting protective frame 22 and protective cloth 23 through setting up and can providing the guard action for demolising of multilayer outer wall, can demolish all outer walls of protective cloth 23 shroud and finish the back, continuing to make progress the turnover installation and encorbelmenting protective frame 22 and protective cloth 23, can improve the efficiency of demolising of outer wall. Preferably, the protective cloth 23 is a three-proof cloth.
Preferably, the protective cloth 23 covers the outer wall with five layers above the overhanging protective frame 22, so that six layers of outer walls can be dismounted at one time, and the overhanging protective frame and the protective cloth can be turned over upwards after all the six layers of outer walls are dismounted. When the protection cloth 23 is installed, the top and side portions of the protection cloth 23 are fixed to the existing building 10 by anchor bolts.
Still further, as shown in fig. 2 and 3, the method further includes: the diagonal members 24 are provided, the diagonal members 24 are diagonally connected between the existing building 10 and the overhanging guard frames 22, and the overhanging guard frames 22 are pulled by the diagonal members 24. Preferably, the diagonal member 24 is a steel wire rope, one end of the steel wire rope is connected to the overhanging protection frame 22, and the other end of the steel wire rope is connected to the concrete structure of the existing building 10, and the steel wire rope is used for oblique tensioning and fixing, thereby playing a role of fixing the overhanging protection frame 22.
Preferably, as shown in fig. 2 and 3, the cantilever protection frame 22 includes an inner support frame 221, an outer support frame 222 and a baffle 223, wherein the inner support frame 221 and the outer support frame 222 are respectively a frame body formed by connecting steel pipes, the inner support frame 221 is disposed on the floor 12, the top of the inner support frame 221 supports against the upper floor, the vertical rod of the inner support frame 221 is preferably in a structure with adjustable support height, and the top of the vertical rod is tightly supported against the upper floor by adjusting the support height. The sides of the inner support frame 221 abut the upper structural beams 14 and the inner support frame 221 resists shear forces at the location of the outer support frame 222, ensuring structural stability of the outer support frame 222. The outer support frames 222 are fixedly connected with the inner support frames 221, the outer support frames 222 extend out of the existing building 10 from the hole formed by removing the outer wall at the floor, the outer support frames 222 enclose the position of the outer wall, the baffle plates 223 are arranged around the outer support frames 222, and the outer support frames 222 are partially arranged on the corresponding structural beams 14. The top of the outer support frame 222, which is positioned outside the existing building 10, is provided with the diagonal tension member 24, and the top of the diagonal tension member 24 is obliquely connected to the upper structural beam 14, so that the structural stability of the outer support frame 222 is improved.
The cantilever protection frame 23 has good integrity, and when in turnover, the supporting height of the upright rod of the inner support frame 221 needs to be adjusted, the top of the diagonal member 24 is disconnected from the existing building 10, and the cantilever protection frame 23 can be detached and turned over upwards.
In an embodiment of the present invention, as shown in fig. 2 and 4, before the outer wall is removed, a buffer structure 25 is disposed on the floor 12 corresponding to the position of the outer wall 11 to be removed, and the outer wall 11 to be removed is supported by the buffer structure 25.
The arrangement of the buffer structure 25 can reduce the load when the outer wall is inclined, avoid damaging the existing building 10 and improve the construction safety.
Further, the step of providing a buffer structure comprises:
providing a bracket 251, wherein the size of the bracket 251 is matched with that of the outer wall 11 to be removed, and the bracket 251 is arranged on the floor 12 at a position corresponding to the dumping position of the outer wall 11 to be removed;
a wood springboard 252 is provided and the wood springboard 252 is laid on top of the support 251 to form the cushioning structure 25.
Preferably, the support 251 is a steel pipe frame body, the wood springboard 252 is provided with double layers, the wood springboard 252 is transversely and longitudinally laid on the top of the support 251, and the distance between the wood springboard 252 is not smaller than 300 mm.
In one embodiment of the invention, the step of connecting the pulling device to the external wall to be dismantled comprises:
drilling holes on two sides of the outer wall to be dismantled to form through holes penetrating through the outer wall to be dismantled;
as shown in fig. 3, one end of the pulling rope 211 of the pulling device 21 is passed through the through-hole on one side and passed through the through-hole on the other side, and then connected to the pulling device.
Preferably, the pulling device 21 includes a winding machine 212, and the pulling rope 211 is wound around the winding machine 212, and the pulling rope 211 can be wound by starting the winding machine 212 to tighten the pulling rope 211 and apply a force to the outer wall to tilt inward. The hoist engine draws the operation inwards, can solve the constructor and wait to demolish the too close safety problem of wall body.
Further, when the pulling device 21 is provided, the distance between the pulling device 21 and the outer wall 11 to be dismantled is larger than 1.5 times of the height of the outer wall to be dismantled. To avoid hitting the pulling device 21 when the outer wall is tilted inwards.
In one embodiment of the present invention, as shown in fig. 2, before the outer wall 11 is removed, a guard rail structure 26 is provided on the floor 12 at a position corresponding to the tilt position of the outer wall 11 to be removed. Enclose the range of empting of outer wall 11 through guardrail structure 26 and keep off, the fragment that produces when can avoiding outer wall 11 to demolish outwards splashes, and guardrail structure 26 has played the guard action, provides the safety guarantee for the constructor.
In one embodiment of the invention, the diagonal masonry structure at the top of the exterior wall to be dismantled is removed before the tie bars are cut. An inclined building structure is arranged between the top of the outer wall 11 and the structural beam 14, the inclined building structure is removed, and the outer wall can be conveniently pulled down by the pulling device 21.
The demolition procedure of the demolition method of the existing building exterior wall of the present invention is explained below.
When demolising the outer wall of existing building, floor department at the one deck sets up draw-off gear, and be connected draw-off gear with the outer wall of this one deck, then start draw-off gear, let the tractive rope tighten, utilize the tractive rope to exert the prestressing force of inside pulling to the outer wall, can avoid the outer wall to take place the risk of outwards empting like this, then propose the oblique masonry structure at outer wall top, cut off the drawknot muscle of outer wall lateral part, start draw-off gear pulling outer wall, make the outer wall inwards empty, accomplish dismantling of one deck outer wall. The one deck outer wall that will demolish then cleans up, set up the protection frame of encorbelmenting on one deck floor, and install protection cloth, the top structure department of five layers of outer walls is located at the top of protecting cloth, then install tractive device on the floor on two layers, and set up buffer structure in two layers of floor departments, the step of dismantling one deck outer wall of repeated above-mentioned demolishs two layers of outer wall, then turnover tractive device and buffer structure upwards, until demolising five layers of outer wall, the protection frame of encorbelmenting of upwards turnover again, and then carry out the demolishment of last one deck outer wall again.
According to the demolition method, the traction device, the buffer structure and the overhanging protection frame are used simultaneously and matched with each other, the outer wall is inclined inwards through the indoor traction device, the buffer structure can solve the problem of load impact when the outer wall is inclined, the overhanging protection frame can ensure that residues do not fall off, and the safety of the demolition process is ensured. Wherein tractive device, buffer structure and the protection frame of encorbelmenting repeatedly usable, all demolish the back that finishes, buffer structure, the protection frame of encorbelmenting can be disassembled and carry out the secondary use for steel pipe, wooden springboard.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A method for dismantling the outer wall of an existing building is characterized by comprising the following steps:
fixedly installing a traction device close to an outer wall to be dismantled on a floor slab of an existing building;
connecting the traction device with the external wall to be dismantled, and tensioning the external wall to be dismantled towards the inner side of the existing building by using the traction device;
cutting off the tie bars on the side part of the outer wall to be dismantled; and
and pulling the outer wall to be dismantled towards the inner side of the existing building by using the pulling device so that the outer wall to be dismantled is inclined towards the inner side of the existing building, thereby completing the dismantling of the outer wall.
2. The demolition method of an existing building exterior wall according to claim 1, wherein when the exterior wall to be demolished is located at more than two floors, an overhanging guard frame is provided at a lower floor of the exterior wall to be demolished;
the position corresponding to the outer wall is enclosed and blocked by the arranged overhanging protective frame;
the method comprises the steps of covering protective cloth on the outer side of an outer wall to be dismantled, connecting the top of the protective cloth with a structure above the outer wall to be dismantled on an existing building, connecting the bottom of the protective cloth with the edge of a cantilever protective frame, and connecting the side of the protective cloth with a corresponding structure on the existing building.
3. The demolition method of an existing building exterior wall according to claim 2, wherein at least three layers of exterior walls located above the overhanging guard frames are covered by the guard cloth when the guard cloth is provided.
4. A demolition method of an existing building exterior wall as recited in claim 2, further comprising:
and providing an oblique pulling piece, obliquely connecting the oblique pulling piece between the existing building and the overhanging protection frame, and pulling the overhanging protection frame through the oblique pulling piece.
5. A demolition method of an existing building exterior wall according to claim 1, wherein before demolishing the exterior wall, a buffer structure is provided on the floor corresponding to an inclined position of the exterior wall to be demolished, and the inclined exterior wall is supported by the buffer structure.
6. The demolition method of an existing building exterior wall according to claim 5, wherein the step of providing the buffer structure includes:
providing a bracket, wherein the size of the provided bracket is matched with that of the outer wall to be dismantled, and the bracket is arranged on the floor slab at an inclined position corresponding to the outer wall to be dismantled;
and providing a wood springboard, and paving the wood springboard at the top of the bracket to form the buffer structure.
7. The demolition method of an existing building exterior wall according to claim 1, wherein the step of connecting the pulling means with the exterior wall to be demolished comprises:
drilling holes on two sides of the outer wall to be dismantled to form through holes penetrating through the outer wall to be dismantled;
and one end of a pulling rope of the pulling device penetrates out of the through hole at one side and penetrates into the through hole at the other side, and then is connected with the pulling device.
8. The demolition method of an existing building exterior wall according to claim 1, wherein a pulling means is provided such that a distance between the pulling means and the exterior wall to be demolished is greater than 1.5 times a height of the exterior wall to be demolished.
9. A demolition method of an existing building exterior wall according to claim 1, wherein a guardrail structure is provided on the floor slab corresponding to an inclined position of the exterior wall to be demolished before demolishing the exterior wall.
10. A demolition method of an existing building exterior wall as defined in claim 1, wherein the slant masonry at the top of the exterior wall to be demolished is removed before the tie bars are cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110197892.9A CN112963014A (en) | 2021-02-22 | 2021-02-22 | Method for dismantling external wall of existing building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110197892.9A CN112963014A (en) | 2021-02-22 | 2021-02-22 | Method for dismantling external wall of existing building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112963014A true CN112963014A (en) | 2021-06-15 |
Family
ID=76285536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110197892.9A Pending CN112963014A (en) | 2021-02-22 | 2021-02-22 | Method for dismantling external wall of existing building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112963014A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0438369A (en) * | 1990-06-05 | 1992-02-07 | Shimizu Corp | Demolition method for outer wall part |
| CN102720374A (en) * | 2012-06-02 | 2012-10-10 | 中色十二冶金建设有限公司 | Method for removing masonry-concrete structure wall |
| CN103015742A (en) * | 2012-11-28 | 2013-04-03 | 泰兴市第一建筑安装工程有限公司 | Method for rapidly removing multilayer monolithic main wall through eccentric whole dumping |
| CN202866155U (en) * | 2012-09-14 | 2013-04-10 | 中铁八局集团建筑工程有限公司 | Overhanging joist steel protective shed structure |
| CN212535007U (en) * | 2020-05-14 | 2021-02-12 | 中建四局华南建设有限公司 | Cantilever platform for dismantling cantilever frame in segmented mode |
-
2021
- 2021-02-22 CN CN202110197892.9A patent/CN112963014A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0438369A (en) * | 1990-06-05 | 1992-02-07 | Shimizu Corp | Demolition method for outer wall part |
| CN102720374A (en) * | 2012-06-02 | 2012-10-10 | 中色十二冶金建设有限公司 | Method for removing masonry-concrete structure wall |
| CN202866155U (en) * | 2012-09-14 | 2013-04-10 | 中铁八局集团建筑工程有限公司 | Overhanging joist steel protective shed structure |
| CN103015742A (en) * | 2012-11-28 | 2013-04-03 | 泰兴市第一建筑安装工程有限公司 | Method for rapidly removing multilayer monolithic main wall through eccentric whole dumping |
| CN212535007U (en) * | 2020-05-14 | 2021-02-12 | 中建四局华南建设有限公司 | Cantilever platform for dismantling cantilever frame in segmented mode |
Non-Patent Citations (2)
| Title |
|---|
| 张勇: "建筑物拆除作业的安全技术", 《工业安全与环保》 * |
| 王剑锋等: "《装饰装修工程施工安全技术与管理》", 30 November 2017 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103967277B (en) | Super High Core Walls Structure tilts the construction method of shear wall | |
| CN107090975B (en) | Formwork erecting construction method for ultrahigh large-span concrete cast-in-place beam bailey truss | |
| CN204098463U (en) | Builder's jack | |
| CN103015744B (en) | Method for removing reinforced concrete chimney | |
| CN113235896B (en) | Construction method for overhanging formwork for cornice | |
| CN102220806A (en) | Construction method for supporting and reinforcing ultrahigh hanging single-sided vertical formwork | |
| CN105863253A (en) | Integral formwork-supporting type asynchronous casting stairwell wall column formwork supporting system and construction method | |
| CN107227814B (en) | Sectional construction method for large cantilever concrete structure | |
| CN108999394B (en) | Construction process of floor type scaffold rotary cantilever type scaffold | |
| CN106703407A (en) | Construction method of double-layered shape steel supporting rack of cantilever beam plate | |
| CN203961238U (en) | Bolt anchor slab adjustable tool formula builder's jack | |
| CN103122691A (en) | Tower crane standard knot bearing upper air supporting formwork steel platform structure and construction method | |
| JP5585227B2 (en) | Building demolition method | |
| CN202945798U (en) | Overhanging type scaffold corner device | |
| CN111794555B (en) | Method for repairing multi-story historical building | |
| CN112963014A (en) | Method for dismantling external wall of existing building | |
| KR100580225B1 (en) | Upper structure raising method using bridge upper structure support and lift equipment and this | |
| JP5033334B2 (en) | Tower crane support method | |
| CN114658214A (en) | High-rise building disc buckle type high-altitude large-cantilever support frame support and anchor pressing integrated construction method | |
| CN203320922U (en) | Supporting device for forming of elevator shaft template | |
| CN112627543A (en) | Shaft inner lifting frame for mounting steel beams of core tube elevator shaft and steel beam construction method | |
| JP5437876B2 (en) | Method of dismantling and removing support members in the construction process of RC RC ramen structure viaduct | |
| CN111593681A (en) | Pier stud retaining cast-in-place box girder ecological dismantling system and construction method | |
| JP2003056186A5 (en) | ||
| CN115110530B (en) | Reinforced concrete support dismantling structure for ultra-deep foundation pit and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210615 |
|
| RJ01 | Rejection of invention patent application after publication |