CN108827094A - The demolition blasting device of H profile steel workshop and blasting method - Google Patents
The demolition blasting device of H profile steel workshop and blasting method Download PDFInfo
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- CN108827094A CN108827094A CN201810722002.XA CN201810722002A CN108827094A CN 108827094 A CN108827094 A CN 108827094A CN 201810722002 A CN201810722002 A CN 201810722002A CN 108827094 A CN108827094 A CN 108827094A
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- steel
- steel plate
- profile steel
- explosion
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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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/02—Particular applications of blasting techniques for demolition of tall structures, e.g. chimney stacks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of demolition blasting devices of H profile steel workshop, including the first steel plate and the second steel plate being connect with H profile steel to be blasted, first steel plate and the second steel plate and H profile steel to be blasted connect into two tubular structures, two tubular structures are closed by the third steel plate at both ends and the 4th steel plate into confined space, explosion unit there are three being placed in confined space, explosion unit is fixed in confined space by stemming, explosion unit is drawn out to outside confined space by detonator, carries out explosion to H profile steel by explosion unit.A kind of demolition blasting device of H profile steel workshop of the invention and blasting method, by forming confined space in H profile steel, explosive utilization rate is high, saves explosive cost, and lesser dose reaches target, explodes high-efficient；Explosive is packed into inside angle steel, and explosion generates slungshot and shock wave harm is small, is easy protection.
Description
Technical field
The present invention relates to the demolition blasting device of H profile steel workshop and blasting methods, belong to explosion field.
Background technique
Factory building can be adapted for factory floor, warehouse, switchgear house, office building, gymnasium, hangar etc., both be suitble to
Single layer long span building, it can also be used to multilayer or skyscraper are built, it is a large amount of in real life to use.Especially steel knot
Structure workshop is since structural strength is high, quick construction is even more by everybody welcome.Existing steel-structure factory building is primarily referred to as mainly
Supporting member be made of steel；Including steel column, girder steel, steel structure base, steel wall, steel roof truss, steel worm-gearing, wall is
It is done made of composite board of core material etc. using color steel plate or foamed plastic.Steel-structure factory building has the following advantages that：1, steel
Structural construction light weight, structural strength is high, and span is big.2, steel building quick construction, construction period are short, corresponding to reduce investment
Cost.3, steel building fire line is high, and anticorrosive property is strong.4, steel building is moved conveniently, is recycled pollution-free.But mesh
The H profile steel that preceding steel-structure factory building much uses is installed, domestic at present to remove to H profile steel workshop when removing H profile steel workshop
Still rest on the primary stage of manual demolition.Large labor intensity, working efficiency are low, construction risk is big.Demolition blasting H profile steel factory
Since its structure sheet is as hollow even template material when room, explosion can not be punched, is only capable of using the quick-fried of external application Concentrated charge
Broken technique.
Summary of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the explosion that the present invention provides a kind of H profile steel workshop is torn open
Except device and blasting method, by forming confined space in H profile steel, explosive utilization rate is high, saves explosive cost, lesser medicine
Amount reaches target, explodes high-efficient.
Technical solution：In order to solve the above technical problems, the demolition blasting device of H profile steel workshop of the invention, including with to
The first steel plate and the second steel plate of the H profile steel connection of explosion, the first steel plate and the second steel plate and H profile steel to be blasted connect into two
A tubular structure, two tubular structures are closed by the third steel plate at both ends and the 4th steel plate at confined space, in confined space
There are three explosion unit, explosion units to be fixed in confined space by stemming for interior placement, and explosion unit is drawn out to by detonator
Outside confined space, explosion is carried out to H profile steel by explosion unit.
Preferably, the explosion unit includes concrete block and pack, it is equipped with groove in the concrete block, in groove
Pvc pipe is installed, pack is located in pvc pipe, and PVC is fixed in groove by stemming.
Preferably, the pvc pipe is close to H profile steel.
Preferably, first steel plate and the second steel plate are welded in H profile steel, the steel plate of one end of tubular structure passes through
Welding is connect with H profile steel, and the other end is bolted.
Preferably, the steel plate of one end of the tubular structure is the first angle steel, the first angle steel is bolted on the
On one steel pipe or the second steel plate.
A kind of blasting method of the demolition blasting device of above-mentioned H profile steel workshop, includes the following steps：
(1) the box-like mold for meeting size is made, against mould inner wall, fixation is put into a suction pipe as pre- vertically
Threading hole is stayed, is poured into concrete along mold upper end opening, is kept in reserved threading hole inner cavity without concrete；Certainly to concrete
So it is close to square mould inner wall in one, square bodily form mold interior right angle after the completion of sedimentation and is embedded into a reserved PVC vertically
Pipe, continues placing concrete along between reserved pvc pipe outer wall and mould inner wall, until Concrete in Natural sedimentation is completed and height
It is just identical as square bodily form mold upper end opening height, the concrete of pouring is conserved, wait be taken off after the completion of conserving
Mould just obtains the explosion unit for being free of pack；
(2) pack and Nonel detonator are put into along reserved pvc pipe according to shotfiring safety regulation, then with stemming along
Reserved pvc pipe is blocked to pvc pipe nozzle, obtains explosion unit；
(3) the first steel plate and the second steel plate are fixed in the two sides of H profile steel, steel plate is installed in one end of tubular structure, it will
One end sealing, inserts a part in tubular structure, and an explosion unit is packed into after compacting；It then proceedes to along opening to tubular
Stemming is inserted in structure, another explosion unit is packed into after compacting, is installed until by all explosion units, along opening
Stemming in tubular structure just reaches at the upper end aperture at hollow tubular structure；
(4) opening of tubular structure is closed by steel plate, forms sealing structure；
(5) detonator in explosion unit is grabbed into it is a branch of, before the explosions such as guard against, protect after the completion of preparation
Detonation.
Beneficial effect：The demolition blasting device of H profile steel workshop of the invention is welded with steel plate in the two sides of H profile steel, is formed
Confined space, explosive utilization rate is high, saves explosive cost, and lesser dose reaches target, explodes high-efficient；Prefabricated component system
It is simple to make method, and prefabricated component can be made in advance before construction, significantly saves time cost, reduces the duration；Explosive is packed into angle
Inside steel, explosion generates slungshot and shock wave harm is small, is easy protection.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As depicted in figs. 1 and 2, the demolition blasting device of H profile steel workshop of the invention, including connecting with H profile steel 1 to be blasted
The first steel plate 2 connect and the second steel plate, the first steel plate 2 and the second steel plate and H profile steel 1 to be blasted connect into two tubular knots
Structure, two tubular structures are closed into confined space by the third steel plate at both ends and the 4th steel plate, are placed in confined space
Three explosion units 3, explosion unit 3 are fixed in confined space by stemming, and explosion unit 3 is drawn out to confined air by detonator
Between it is outer, explosion is carried out to H profile steel 1 by explosion unit 3.
In the present invention, the explosion unit 3 includes concrete block and pack 4, and groove is equipped in the concrete block, recessed
Pvc pipe 5 is installed in slot, the pvc pipe 5 is close to H profile steel 1, H profile steel 1 is more directly acted on convenient for pack 4, pack 4
In pvc pipe 5, PVC is fixed in groove by stemming, and the explosive in pack 4 is preferably 2# rock emulsion explosive, fried compared with control
Medicine is easier to obtain.
In the present invention, first steel plate 2 and the second steel plate are welded in H profile steel 1, the steel plate of one end of tubular structure
It being connect by welding with H profile steel 1, the other end is bolted, and the steel plate of one end of the tubular structure is the first angle steel 7,
First angle steel 7 is bolted on the first steel pipe or the second steel plate.After placing pack 4 in tubular structure, using
It is high to weld danger coefficient, by using angle steel 7, very easily one end of tubular structure is sealed, forms confined space.
A kind of blasting method of the demolition blasting device of 1 workshop of H profile steel, includes the following steps：
(1) the box-like mold for meeting size is made, against mould inner wall, fixation is put into a suction pipe as pre- vertically
Threading hole is stayed, is poured into concrete along mold upper end opening, is kept in reserved threading hole inner cavity without concrete；Certainly to concrete
So it is close to square mould inner wall in one, square bodily form mold interior right angle after the completion of sedimentation and is embedded into a reserved PVC vertically
Pipe 5 continues placing concrete along between reserved 5 outer wall of pvc pipe and mould inner wall, until Concrete in Natural sedimentation is completed and height
Degree is just identical as square bodily form mold upper end opening height, conserves to the concrete of pouring, carries out after the completion of conserving
Demoulding just obtains the explosion unit 3 for being free of pack 4；
(2) pack 4 and Nonel detonator are put into along reserved pvc pipe 5 according to shotfiring safety regulation, then with stemming edge
The blocking of reserved pvc pipe 5 to 5 nozzle of pvc pipe, obtain explosion unit 3；
(3) the first steel plate 2 and the second steel plate are fixed in the two sides of H profile steel 1, steel plate are installed in one end of tubular structure,
One end is sealed, a part is inserted in tubular structure, an explosion unit 3 is packed into after compacting；Then proceed to along opening to
Stemming is inserted in tubular structure, another explosion unit 3 is packed into after compacting, is installed until by all explosion units 3, edge
Stemming in opening tubular structure just reaches at the upper end aperture at hollow tubular structure；
(4) opening of tubular structure is closed by steel plate, forms sealing structure；
(5) detonator in explosion unit 3 is grabbed into it is a branch of, before the explosions such as guard against, protect after the completion of preparation i.e.
It can detonate.
Claims (6)
1. a kind of demolition blasting device of H profile steel workshop, it is characterised in that：Including the first steel being connect with H profile steel to be blasted
Plate and the second steel plate, the first steel plate and the second steel plate and H profile steel to be blasted connect into two tubular structures, two tubular structures
By the third steel plate at both ends and the closing of the 4th steel plate at confined space, there are three explosion units for placement in confined space, quick-fried
Broken unit is fixed in confined space by stemming, and explosion unit is drawn out to outside confined space by detonator, passes through explosion unit
Explosion is carried out to H profile steel.
2. the demolition blasting device of H profile steel workshop according to claim 1, it is characterised in that：The explosion unit includes
Concrete block and pack are equipped with groove in the concrete block, are equipped with pvc pipe in groove, and pack is located in pvc pipe, and PVC leads to
Stemming is crossed to be fixed in groove.
3. the demolition blasting device of H profile steel workshop according to claim 2, it is characterised in that：The pvc pipe and H profile steel
It is close to.
4. the demolition blasting device of H profile steel workshop according to claim 1, it is characterised in that：First steel plate and
Two steel plates are welded in H profile steel, and the steel plate of one end of tubular structure is connect by welding with H profile steel, and the other end is connected by bolt
It connects.
5. the demolition blasting device of H profile steel workshop according to claim 4, it is characterised in that：The one of the tubular structure
The steel plate at end is the first angle steel, and the first angle steel is bolted on the first steel pipe or the second steel plate.
6. a kind of blasting method of the demolition blasting device of H profile steel workshop as claimed in claim 2, which is characterized in that including
Following steps：
（1）The box-like mold that production one meets size, againsts that mould inner wall is fixed vertically to be put into a suction pipe and wear as reserved
String holes is poured into concrete along mold upper end opening, keeps in reserved threading hole inner cavity without concrete；It is heavy to Concrete in Natural
It is close to square mould inner wall in one, square bodily form mold interior right angle after the completion of drop and is embedded into a reserved pvc pipe vertically,
Continue placing concrete along between reserved pvc pipe outer wall and mould inner wall, until Concrete in Natural sedimentation is completed simultaneously highly just
It is good identical as square bodily form mold upper end opening height, the concrete of pouring is conserved, wait be demoulded after the completion of conserving,
Just obtain the explosion unit for being free of pack；
（2）It is put into pack and Nonel detonator along reserved pvc pipe according to shotfiring safety regulation, then with stemming along reserved
Pvc pipe is blocked to pvc pipe nozzle, obtains explosion unit；
（3）The first steel plate and the second steel plate are fixed in the two sides of H profile steel, steel plate is installed in one end of tubular structure, by one end
A part is inserted in sealing in tubular structure, and an explosion unit is packed into after compacting；It then proceedes to along opening to tubular structure
Middle filling stemming is packed into another explosion unit after compacting, install until by all explosion units, along opening tubular
Stemming in structure just reaches at the upper end aperture at hollow tubular structure；
（4）The opening of tubular structure is closed by steel plate, forms sealing structure；
（5）Detonator in explosion unit is grabbed into a branch of, can be risen after the completion of preparation before the explosions such as guard against, protect
It is quick-fried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722002.XA CN108827094B (en) | 2018-07-04 | 2018-07-04 | Blasting demolition device and blasting method for H-shaped steel plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722002.XA CN108827094B (en) | 2018-07-04 | 2018-07-04 | Blasting demolition device and blasting method for H-shaped steel plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108827094A true CN108827094A (en) | 2018-11-16 |
| CN108827094B CN108827094B (en) | 2021-02-09 |
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ID=64134889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810722002.XA Active CN108827094B (en) | 2018-07-04 | 2018-07-04 | Blasting demolition device and blasting method for H-shaped steel plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108827094B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624086A (en) * | 2021-08-19 | 2021-11-09 | 中国核工业第二二建设有限公司 | Energy-gathered charging device for blasting demolition of thick steel structure factory building and blasting method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757861A (en) * | 2005-11-03 | 2006-04-12 | 中国人民解放军理工大学工程兵工程学院 | Linear energy connectracting cutting disassembling method of steel structured factory building |
| CN103938888A (en) * | 2014-05-14 | 2014-07-23 | 中钢集团武汉安全环保研究院有限公司 | Blasting demolition method for cylindrical steel column structure buildings |
| CN104964624A (en) * | 2015-07-01 | 2015-10-07 | 武汉宏伟交通爆破工程有限公司 | Axial embedded blast hole of reinforced concrete beam and blasting demolition method |
| KR101831943B1 (en) * | 2017-07-25 | 2018-02-23 | 주식회사 코리아카코 | The Charge Container for Steel Member Cutting and Demolition Method of Steel Frame Structures using the same |
-
2018
- 2018-07-04 CN CN201810722002.XA patent/CN108827094B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1757861A (en) * | 2005-11-03 | 2006-04-12 | 中国人民解放军理工大学工程兵工程学院 | Linear energy connectracting cutting disassembling method of steel structured factory building |
| CN103938888A (en) * | 2014-05-14 | 2014-07-23 | 中钢集团武汉安全环保研究院有限公司 | Blasting demolition method for cylindrical steel column structure buildings |
| CN104964624A (en) * | 2015-07-01 | 2015-10-07 | 武汉宏伟交通爆破工程有限公司 | Axial embedded blast hole of reinforced concrete beam and blasting demolition method |
| KR101831943B1 (en) * | 2017-07-25 | 2018-02-23 | 주식회사 코리아카코 | The Charge Container for Steel Member Cutting and Demolition Method of Steel Frame Structures using the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624086A (en) * | 2021-08-19 | 2021-11-09 | 中国核工业第二二建设有限公司 | Energy-gathered charging device for blasting demolition of thick steel structure factory building and blasting method |
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| Publication number | Publication date |
|---|---|
| CN108827094B (en) | 2021-02-09 |
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