CN106679519A - Static blasting demolition method for interior reinforced concrete supports - Google Patents
Static blasting demolition method for interior reinforced concrete supports Download PDFInfo
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- CN106679519A CN106679519A CN201611206334.XA CN201611206334A CN106679519A CN 106679519 A CN106679519 A CN 106679519A CN 201611206334 A CN201611206334 A CN 201611206334A CN 106679519 A CN106679519 A CN 106679519A
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- inner support
- cutting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
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- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a static blasting demolition method for interior reinforced concrete supports and belongs to the technical field of architectural engineering. The construction process of the method comprises the following steps: construction preparation, setting up of an operation platform, watering wetting of interior support beams, breaking of surface bar protection layers of the interior support beams, cutting of dense longitudinal bars and stirrups on the surfaces of the interior support beams, surveying setting-out, beam surface drilling, hole cleaning, agent filling and static blasting, breaking, bar cutting, residue lifting, upper support construction, demolition of all horizontal interior support beams and demolition of upright pillars. According to the method, the construction is simpler than conventional millisecond blasting, complex construction procedures are saved, and the method has high safety and is more environment-friendly; the method is not limited by site conditions and has the effects of high construction speed, low construction noise and little flying dust; and the method ensures that after the interior supports in a reinforced concrete structure are statically blasted, the concrete structure becomes loose and is convenient to demolish, clear and transport.
Description
Technical field
The present invention relates to construction engineering technical field, specifically a kind of reinforced concrete inner support static(al) demolition blasting
Method.
Background technology
In deep foundation pit supporting structure system, piled anchor version is typically adopted.Pattern foundation pit supporting structure major part adopts excavated by manual work
Hole stake+prestress anchorage cable form, foundation ditch northeast corner is affected by surrounding enviroment, it is impossible to carry out construction prestressed cable, is to ensure base
The safety in hole, needs to design reinforced concrete inner support system.
The content of the invention
The technical assignment of the present invention is to solve the deficiencies in the prior art, there is provided a kind of reinforced concrete inner support static(al) explosion
Method for dismounting.
Static(al) explosion is stirred according to certain proportioning using soundless cracking agent and water, is poured into by advance in coagulation
The hole being drilled on native component, due to physical-chemical reaction, volumetric expansion after liquid curing, so as to produce inside xoncrete structure
The huge tension of life, causes xoncrete structure uniformly to be destroyed, so as to reach the purpose for being easy to remove.
The technical scheme is that what is realized in the following manner, the reinforced concrete inner support static(al) demolition blasting side
Method, including：A, abolish inner support beam gluten protection course；B, cutting beam gluten and stirrup；C, the drilling of beam face；D, borehole cleaning；E, powder charge
It is quiet quick-fried；F, broken, cutting；G, column are removed.
The construction technology of the method includes：In preparation of construction → set up operating platform → inner support beam is watered and moistens → abolish
The intensive vertical muscle in support beam gluten protection course → cutting beam face and stirrup → surveying setting-out → beam face drilling → borehole cleaning → powder charge are quiet quick-fried
→ broken → reinforcing bar cutting → residue handling → all dismounting → column is removed to proceed to upper track Construction of Supporting → horizontal inner support beam.
The method is：
A, abolish inner support beam gluten protection course
According to basement structure construction order, the minimum inner support beam of absolute altitude needs to remove first；And first abolish beam face reinforcing bar and protect
Sheath, makes all beam faces reinforcing steel bars exposed；
B, cutting beam gluten and stirrup
After beam gluten protection course is abolished, using oxygen, the intensive vertical muscle in acetylene torch cutting beam face and stirrup；Beam gluten has cut off
Beneficial to quiet blasthole drill depth, cutting off for beam stirrup is conducive to later stage quiet quick-fried effect；Positioned at a plurality of inner support beam in same absolute altitude face,
Cutting sequence internal behind first outside should be taken；For the cutting sequence that single inner support beam should take first intermediate and then both sides；
C, the drilling of beam face
According to the result of surveying setting-out, punched on request in top surface of the beam with air rock drill, aperture Ф 32mm, pitch-row 20~
25cm, hole position avoids reinforcing bar in beam, when running into reinforcing bar, adjusts hole position, and hole depth is drilled on soffit by 15cm and stops, it is to avoid will
Hole drill is worn；
D, borehole cleaning
After the completion of pore-forming, i.e., the residue in hole is blown out with blast, and top surface of the beam is cleaned out, used behind clear complete each hole
Spitball lives stopple, it is to avoid contaminated in the front hole of powder charge；
E, powder charge are quiet quick-fried
After the completion of borehole cleaning, i.e., to the built-in quiet quick-fried soundless cracking extender in hole；Dress extender is powder charge；
During powder charge, staff will properly protect, and wear protective spectacles, Rubber gloves, wear a safety helmet, and wear working clothing, work
Footwear；
Before powder charge, the spitball in hole is extracted out, and hydrops should be removed if any hydrops either with or without hydrops in inspection hole, when putting medicine,
Debugged in ash bucket, with half barrel of water of medium-sized grey barreled, first put two bag medicines and allocated, until medicine is adjusted to pasty state, so
Afterwards with little spoon medicine load hole, to from beam face 5cm, after 20~25 hours, medicine completes chemical reaction by coagulation
Soil blister splits, and completes quiet quick-fried work.
For same absolute altitude multiple tracks inner support beam sequence of loading is first outside and then inside；For the multi-span beam on same straight line is filled
Medicine order refills beam two ends first to fill part in girder span.
After 20~25 hours, medicine completes chemical reaction by concrete spalling for powder charge, completes quiet quick-fried work；
F, broken, cutting
Beams of concrete complete it is quiet it is quick-fried after, started to abolish concrete beam with pneumatic pick, first by top surface of the beam protective layer and top concrete chisel removal, make
Upper reinforcement exposes completely, cuts off upper reinforcement with oxyacetylene metal-cutting and transports, and then proceedes to the concrete disintegrating of in the middle of beam and bottom
Afterwards, then the reinforcing bar of bottom is all cut off with oxyacetylene metal-cutting and is transported；
G, column are removed
Inner support column is cut after whole basement structure construction terminates using the quiet quick-fried rear method removed paragraph by paragraph.
The produced compared with prior art beneficial effect of the present invention is：
The more conventional short-delay blasting of construction of the method is simple, saves numerous and diverse construction formality, safe, more environmentally friendly.
The more conventional hydraulic gate of the construction of the method removes convenient, is not limited by site condition, and speed of application is fast, apply
Work noise is little, airborne dust is few.
After reinforced concrete structure inner support static(al) explosion, xoncrete structure is loose, is easy to remove and clears for the method.
The method construction pours into static fracturing agents in hole, and Demolition Construction just can be carried out after a few houres, simple to operate.Static(al)
Explosion is widely used in deep foundation pit reinforced concrete bracing demolition.
Static(al) demolition blasting inner support is constructed, and compared with traditional short-delay blasting, increased the safety of engineering, has saved peace
Full measure cost.
Static(al) demolition blasting inner support is constructed, and compared with traditional Mechanical Crushing, degree affected by environment is little, and enhancing to grasp
The property made, reduces construction cost.
The reinforced concrete inner support static(al) blasting demolishing method is reasonable in design, simple structure, safe and reliable, user
Just it is, easy to maintain, have good value for applications.
Description of the drawings
Accompanying drawing 1 is the inner support static(al) demolition blasting construction flow chart of the present invention.
Specific embodiment
The reinforced concrete inner support static(al) blasting demolishing method of the present invention is described in detail below below in conjunction with the accompanying drawings.
As shown in drawings, the construction technology of reinforced concrete inner support static(al) blasting demolishing method of the invention includes：Apply
Working drawing is standby → and set up operating platform → inner support beam and water that to moisten → abolish inner support beam gluten protection course → cutting beam face intensive
Vertical muscle and quiet quick-fried → broken → reinforcing bar cutting → residue handling of stirrup → surveying setting-out → beam face drilling → borehole cleaning → powder charge → turn
All dismounting → column is removed to enter upper track Construction of Supporting → horizontal inner support beam.
The method is：
A, abolish inner support beam gluten protection course
According to basement structure construction order, that minimum road inner support beam of absolute altitude needs to remove first；Due in concrete
Support beam gluten node reinforcement ratio comparatively dense, is to ensure being smoothed out for drilling, it is necessary to first abolish beam face cover to reinforcement.Abolish beam gluten
During protective layer, it is necessary to make all beam faces reinforcing steel bars exposed.
B, cutting beam gluten and stirrup
After beam gluten protection course is abolished, using oxygen, the intensive vertical muscle in acetylene torch cutting beam face and stirrup.Beam gluten has cut off
Beneficial to quiet blasthole drill depth, cutting off for beam stirrup is conducive to later stage quiet quick-fried effect.Positioned at a plurality of inner support beam in same absolute altitude face,
Cutting sequence internal behind first outside should be taken.For the cutting sequence that single inner support beam should take first intermediate and then both sides.
C, the drilling of beam face
According to the result of surveying setting-out, punched on request in top surface of the beam with air rock drill, aperture Ф 32, pitch-row 20~
25cm, hole position must avoid reinforcing bar in beam, when running into reinforcing bar, can suitably adjust hole position, and hole depth is drilled into 15cm on soffit
Stop, never wear hole drill,
D, borehole cleaning
After the completion of pore-forming, i.e., the residue in hole is blown out with blast, and top surface of the beam is cleaned out, used behind clear complete each hole
Spitball lives stopple, it is to avoid contaminated in the front hole of powder charge.
E, powder charge are quiet quick-fried
After the completion of borehole cleaning, i.e., to the built-in extender in hole.During powder charge, staff will properly protect, it is necessary to wear anti-eye protection
Mirror, Rubber gloves, wear a safety helmet, and wear working clothing, footware.
Before powder charge, it is necessary to extract out the spitball in hole, and either with or without hydrops in inspection hole, should be clear by hydrops if any hydrops
Remove, when putting medicine, debugged in ash bucket, with half barrel of water of medium-sized grey barreled, first put 2 bag medicines and allocated, until medicine is adjusted to paste
Shape, then with little spoon medicine load hole, to from beam face 5cm, after 20~25 hours, medicine completes chemical anti-
Concrete spalling should be completed quiet quick-fried work.For same absolute altitude multiple tracks inner support beam sequence of loading is first outside and then inside；For same
Multi-span beam sequence of loading on one straight line refills beam two ends first to fill part in girder span.
F, broken, cutting
Beams of concrete complete it is quiet it is quick-fried after, you can started to abolish concrete beam with pneumatic pick, first by top surface of the beam protective layer and top concrete chisel
Remove, upper reinforcement is exposed completely, upper reinforcement is cut off with oxyacetylene metal-cutting is transported, then proceed to the concrete of in the middle of beam and bottom
After broken, then the reinforcing bar of bottom is all cut off with oxyacetylene metal-cutting transport.
G, column are removed
Inner support column is also adopted by the quiet quick-fried rear method removed paragraph by paragraph after whole basement structure construction terminates and is cut.
Material requirements：
The quiet quick-fried material that the method construction work is used is H1 type soundless cracking agents.
Equipment requirements：
1 tower crane QTZ80B（5613）1 is used to transport；
2 20, pneumatic picks are used to crush；
3 air rock drill gas leg types 13 are used to drill；
4 air compressor 15KW 6m3 2 are used for borehole cleaning；
5 oxygen welding BXE-500 6 are for reinforcing bar cutting；
6 handbarrows 8 are used to transport；
7 ribbon 10 is used to measure.
Quality assurance measure：
Strengthen work of confiding a technological secret, for construction technology is presented to constructor by the technique of privileged sites by the form of show window
Member.
Strengthen site supervision dynamics, to the easy common quality defect for occurring, work out detailed arrangement and method for construction, and duty fulfillment
To people.
Strengthen the inspecting force of raw material.For raw material is in addition to checking its certificate of quanlity and the quality certification, material is arrived
Sampling inspection is also wanted after live, after detection is qualified job site could be used for.
Strengthen educating workmen, check the on-job certificate of bursting work personnel, and convene class monitor and group leader to hold workshop
View, the performance and essentials for Construction Control of cracking agent.
The position of drilling and depth Jing check it is qualified after can carry out next procedure.
Protective measure should be carried out after borehole cleaning, it is to avoid pollute in duct.
After static fracturing agents are poured, surface is suitably covered, prevent rainwater from entering duct.
After static(al) explosion, scene is removed.
Safety measure：
Bracing demolition must be carried out according to arrangement and method for construction, and the concrete strength of support changing structure for use system must reach design requirement
Afterwards, the dismounting work of inner support can be carried out.
During construction, workmen should wear dust cover, wear glove, wear rubber soled shoes.
When bracing demolition is constructed, periphery arranges safety warning tape, forbids non-operating personnel to walk.
When air compressor machine works, there is special messenger to nurse, pressure-air is out of control to hurt sb.'s feelings to prevent Joint's falling off from causing.
After quiet quick-fried powder charge, forbid personnel to walk in inner support region, prevent Stress Release from hurting sb.'s feelings.
When reinforcing bar cuts, should be separated by oxygen cylinder and acetylene cylinder, prevent fire from occurring, and configure effective fire-fighting equipment
And have special messenger to carry out prison fire.
Pyatyi above strong wind should stop lifting job.
Forbid carrying out dismounting operation at night.
Environmental practice：
During inner support, watering reduces airborne dust.
Reinforcing bar is reclaimed in time, and garbage-cleaning is transported into work surface.
Performance analysis：
Social benefit：
Using static(al) demolition blasting reinforced concrete inner support, construct quick, safe and environment-friendly.
Economic benefit：
Static(al) demolition blasting inner support is constructed, and compared with traditional short-delay blasting, increased the safety of engineering, has been saved safety and has been arranged
Apply expense.
Static(al) demolition blasting inner support is constructed, and compared with traditional Mechanical Crushing, degree affected by environment is little, and enhancing to grasp
The property made, reduces construction cost.
Claims (5)
1. reinforced concrete inner support static(al) blasting demolishing method, it is characterised in that the method includes：
A, abolish inner support beam gluten protection course；
B, cutting beam gluten and stirrup；
C, the drilling of beam face；
D, borehole cleaning；
E, powder charge are quiet quick-fried；
F, broken, cutting；
G, column are removed.
2. reinforced concrete inner support static(al) blasting demolishing method, it is characterised in that include：Preparation of construction → set up operating platform
→ inner support beam is watered and moistens → abolish the intensive vertical muscle in inner support beam gluten protection course → cutting beam face and stirrup → surveying setting-out
Quiet quick-fried → broken → reinforcing bar cutting → residue the handling of → beam face drilling → borehole cleaning → powder charge → proceed to upper track Construction of Supporting → level
Inner support beam all remove by dismounting → column.
3. reinforced concrete inner support static(al) blasting demolishing method, it is characterised in that the method includes：
A, abolish inner support beam gluten protection course
According to basement structure construction order, the minimum inner support beam of absolute altitude needs to remove first；And first abolish beam face reinforcing bar and protect
Sheath, makes all beam faces reinforcing steel bars exposed；
B, cutting beam gluten and stirrup
After beam gluten protection course is abolished, using oxygen, the intensive vertical muscle in acetylene torch cutting beam face and stirrup；Beam gluten has cut off
Beneficial to quiet blasthole drill depth, cutting off for beam stirrup is conducive to later stage quiet quick-fried effect；Positioned at a plurality of inner support beam in same absolute altitude face,
Cutting sequence internal behind first outside should be taken；For the cutting sequence that single inner support beam should take first intermediate and then both sides；
C, the drilling of beam face
According to the result of surveying setting-out, punched on request in top surface of the beam with air rock drill, aperture Ф 32mm, pitch-row 20~
25cm, hole position avoids reinforcing bar in beam, when running into reinforcing bar, adjusts hole position, and hole depth is drilled on soffit by 15cm and stops, it is to avoid will
Hole drill is worn；
D, borehole cleaning
After the completion of pore-forming, i.e., the residue in hole is blown out with blast, and top surface of the beam is cleaned out, used behind clear complete each hole
Spitball lives stopple, it is to avoid contaminated in the front hole of powder charge；
E, powder charge are quiet quick-fried
After the completion of borehole cleaning, i.e., to the built-in quiet quick-fried soundless cracking extender in hole；Dress extender is powder charge；
During powder charge, staff will properly protect, and wear protective spectacles, Rubber gloves, wear a safety helmet, and wear working clothing, work
Footwear；
After 20~25 hours, medicine completes chemical reaction by concrete spalling for powder charge, completes quiet quick-fried work；
F, broken, cutting
Beams of concrete complete it is quiet it is quick-fried after, started to abolish concrete beam with pneumatic pick, first by top surface of the beam protective layer and top concrete chisel removal, make
Upper reinforcement exposes completely, cuts off upper reinforcement with oxyacetylene metal-cutting and transports, and then proceedes to the concrete disintegrating of in the middle of beam and bottom
Afterwards, then the reinforcing bar of bottom is all cut off with oxyacetylene metal-cutting and is transported；
G, column are removed
Inner support column is cut after whole basement structure construction terminates using the quiet quick-fried rear method removed paragraph by paragraph.
4. reinforced concrete inner support static(al) blasting demolishing method according to claim 3, it is characterised in that：E, powder charge
Before, the spitball in hole is extracted out, and hydrops should be removed if any hydrops, when putting medicine, in ash bucket either with or without hydrops in inspection hole
Debugged, with half barrel of water of medium-sized grey barreled, first put two bag medicines and allocated, until medicine is adjusted to pasty state, then used little spoon
In medicine load hole, to from beam face 5cm, after 20~25 hours, medicine completes chemical reaction by concrete spalling, complete
Into quiet quick-fried work.
5. reinforced concrete inner support static(al) blasting demolishing method according to claim 3, it is characterised in that：E, for same
One absolute altitude multiple tracks inner support beam sequence of loading is first outside and then inside；For the multi-span beam sequence of loading on same straight line is first to fill beam
Span centre part, refills beam two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611206334.XA CN106679519A (en) | 2016-12-23 | 2016-12-23 | Static blasting demolition method for interior reinforced concrete supports |
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|---|---|---|---|
| CN201611206334.XA CN106679519A (en) | 2016-12-23 | 2016-12-23 | Static blasting demolition method for interior reinforced concrete supports |
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ID=58871375
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225135A (en) * | 2017-12-20 | 2018-06-29 | 中煤建工集团有限公司 | A kind of construction method of contrary sequence method fractured rock |
| CN109680986A (en) * | 2019-01-10 | 2019-04-26 | 哈尔滨理工大学 | Reinforced concrete structure static state noiseless method for dismounting |
| CN109680678A (en) * | 2018-12-27 | 2019-04-26 | 广州市住宅建设发展有限公司 | Diaphram wall meets the low disturbance forming construction method thereof of old supporting construction |
| CN111537258A (en) * | 2020-05-22 | 2020-08-14 | 中国水利水电第十六工程局有限公司 | Dam concrete prestress anchor cable blasting demolition sampling method |
| CN113152928A (en) * | 2021-02-09 | 2021-07-23 | 江西荣达爆破新技术开发有限公司 | Dismantling method for super high-rise building |
| CN114541807A (en) * | 2022-03-23 | 2022-05-27 | 中建八局第三建设有限公司 | Static breaking construction method for reinforced concrete structure |
| CN115288476A (en) * | 2022-08-01 | 2022-11-04 | 华南农业大学 | Water jet breaking and dismantling method based on pre-cracked concrete structure |
| CN115559560A (en) * | 2022-10-08 | 2023-01-03 | 江汉大学 | Dismantling method of steel reinforced concrete upright post |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733399A (en) * | 2012-07-04 | 2012-10-17 | 江苏省华建建设股份有限公司 | Method for removing internal support concrete by static expansion |
| CN102808526A (en) * | 2011-06-01 | 2012-12-05 | 永升建设集团有限公司 | Nondestructive demolition construction method of reinforced concrete frame beam |
| CN103233476A (en) * | 2013-04-03 | 2013-08-07 | 巨匠建设集团有限公司 | Deep foundation pit supporting structure as well as construction method and demolishing method thereof |
| CN105155553A (en) * | 2015-09-09 | 2015-12-16 | 杭州江润科技有限公司 | Green dismantling construction method combining concrete support static crush and splitting method |
| CN204940910U (en) * | 2015-09-09 | 2016-01-06 | 安徽天筑建设（集团）有限公司 | Concrete support Static crushing dismounting structure |
| CN106049503A (en) * | 2016-06-06 | 2016-10-26 | 武汉科技大学 | Pretreatment method for blasting demolition of reinforced concrete supporting beam in foundation pit |
-
2016
- 2016-12-23 CN CN201611206334.XA patent/CN106679519A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808526A (en) * | 2011-06-01 | 2012-12-05 | 永升建设集团有限公司 | Nondestructive demolition construction method of reinforced concrete frame beam |
| CN102733399A (en) * | 2012-07-04 | 2012-10-17 | 江苏省华建建设股份有限公司 | Method for removing internal support concrete by static expansion |
| CN103233476A (en) * | 2013-04-03 | 2013-08-07 | 巨匠建设集团有限公司 | Deep foundation pit supporting structure as well as construction method and demolishing method thereof |
| CN105155553A (en) * | 2015-09-09 | 2015-12-16 | 杭州江润科技有限公司 | Green dismantling construction method combining concrete support static crush and splitting method |
| CN204940910U (en) * | 2015-09-09 | 2016-01-06 | 安徽天筑建设（集团）有限公司 | Concrete support Static crushing dismounting structure |
| CN106049503A (en) * | 2016-06-06 | 2016-10-26 | 武汉科技大学 | Pretreatment method for blasting demolition of reinforced concrete supporting beam in foundation pit |
Non-Patent Citations (1)
| Title |
|---|
| 柏章朋: ""深基坑内角撑静力爆破拆除监理工作要点"", 《林产工业》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225135A (en) * | 2017-12-20 | 2018-06-29 | 中煤建工集团有限公司 | A kind of construction method of contrary sequence method fractured rock |
| CN109680678A (en) * | 2018-12-27 | 2019-04-26 | 广州市住宅建设发展有限公司 | Diaphram wall meets the low disturbance forming construction method thereof of old supporting construction |
| CN109680986A (en) * | 2019-01-10 | 2019-04-26 | 哈尔滨理工大学 | Reinforced concrete structure static state noiseless method for dismounting |
| CN111537258A (en) * | 2020-05-22 | 2020-08-14 | 中国水利水电第十六工程局有限公司 | Dam concrete prestress anchor cable blasting demolition sampling method |
| CN111537258B (en) * | 2020-05-22 | 2022-07-15 | 中国水利水电第十六工程局有限公司 | Dam concrete prestress anchor cable blasting demolition sampling method |
| CN113152928A (en) * | 2021-02-09 | 2021-07-23 | 江西荣达爆破新技术开发有限公司 | Dismantling method for super high-rise building |
| CN113152928B (en) * | 2021-02-09 | 2022-07-15 | 江西荣达爆破新技术开发有限公司 | Dismantling method for super high-rise building |
| CN114541807A (en) * | 2022-03-23 | 2022-05-27 | 中建八局第三建设有限公司 | Static breaking construction method for reinforced concrete structure |
| CN115288476A (en) * | 2022-08-01 | 2022-11-04 | 华南农业大学 | Water jet breaking and dismantling method based on pre-cracked concrete structure |
| CN115559560A (en) * | 2022-10-08 | 2023-01-03 | 江汉大学 | Dismantling method of steel reinforced concrete upright post |
| US11892278B1 (en) | 2022-10-08 | 2024-02-06 | Jianghan University | Method for removing section steel concrete column |
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