CN108613601A - A kind of quick-fried method of demolition blasting examination - Google Patents
A kind of quick-fried method of demolition blasting examination Download PDFInfo
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- CN108613601A CN108613601A CN201810381013.6A CN201810381013A CN108613601A CN 108613601 A CN108613601 A CN 108613601A CN 201810381013 A CN201810381013 A CN 201810381013A CN 108613601 A CN108613601 A CN 108613601A
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- examination
- quick
- fried
- blast hole
- dose
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention relates to demolition blasting construction method technical fields, and quick-fried method is tried in particular to a kind of demolition blasting.Include the following steps：1) component in building to be blasted, is chosen as the quick-fried component of examination；2) multiple examination blast holes not interfered between each other, are drilled on the component, the inconsistent explosive of filling dose into different examination blast holes；3) while the explosive in all examination blast holes is ignited, the component after observation detonation chooses the explosive dose of the best examination blast hole of demolition effect as best dose；4) the explosion design work of demolition blasting construction, is carried out according to best dose.The quick-fried method of examination of the present invention is simple, efficient, reduces the quick-fried workload of examination, can obtain more accurate explosion dose, will not cause to bear to shotfiring safety management work, has great promotional value.
Description
Technical field
The present invention relates to demolition blasting construction method technical fields, and quick-fried method is tried in particular to a kind of demolition blasting.
Background technology
It tries quick-fried to be before Large-scale blasting, to needing the medium of explosion to carry out bench-scale testing explosion.In demolition blasting
In be typically all kinds of typical members are carried out a small number of blastholes on solid memder examination it is quick-fried, to calculate the suitable powder charge of Large-scale blasting
Amount.Under normal conditions, a component is selected, 3~5 each holes is then drilled with, the consistent explosive of weight is put into the air each, it is then right
It carries out while igniting, and by observing last explosion situation, judges whether the dose for trying quick-fried situation meets the requirements.This examination is quick-fried
Method can only reflect a kind of explosion situation of dose, it is thus possible to there is a situation where the quick-fried ineffective generation of examination.Once trying quick-fried effect
Fruit is bad, also wants the quick-fried position of another examination of reselection to be tried again quick-fried, try repeatedly it is quick-fried after, determine that best dose, in this way ability are complete
Beautiful carry out demolition blasting work.It can be seen that the quick-fried method of existing examination may actually need repeatedly to try it is quick-fried just can determine that it is quick-fried
Broken dose, such quick-fried method of examination undoubtedly can increase many workloads to entire blasting work, while also be difficult to reach ideal
Effect, to demolition blasting work safety management bring difficulty.
Invention content
Present invention aim to the quick-fried method of the examination for the prior art for solving to mention in above-mentioned background technology need by
The quick-fried dose that just can determine that demolition blasting is repeatedly tried repeatedly, and there are workloads to increase, be difficult to reach ideal effect and safety is poor
The problem of, provide a kind of demolition blasting examination quick-fried method.
The technical scheme is that：A kind of quick-fried method of demolition blasting examination, it is characterised in that：Include the following steps：
1) component in building to be blasted, is chosen as the quick-fried component of examination；
2) it, is drilled with multiple examination blast holes not interfered between each other on the component, dose is filled into different examination blast holes
Inconsistent explosive；
3) while the explosive in all examination blast holes is ignited, it is quick-fried to choose the best examination of demolition effect for the component after observation detonation
The explosive dose in hole is as best dose；
4) the explosion design work of demolition blasting construction, is carried out according to best dose.
In the further step 2), multiple methods for trying blast holes that do not interfere between each other are drilled on the component
For：Be drilled with multigroup examination blast hole group on trying quick-fried component, every group of examination blast hole group includes multiple examination blast holes, multigroup examination blast hole group by up to
Under vertically equidistant interval arrange.
Further every group of examination blast hole group includes at least two groups vertically spaced apart quick-fried structure of examination；Institute
The quick-fried structure of examination stated is made of three examination blast holes for being not at straight line.
The line of three examination blast holes in the further quick-fried structure of examination is arranged in equilateral triangle.
Filling explosive dose is consistent in the examination blast hole of further every group of examination blast hole group, and two adjacent groups try blast hole group
Examination blast hole in filling explosive dose it is inconsistent.
Further from the bottom to top, explosive dose is more than adjacent in top in the examination blast hole for the examination blast hole group being below
Examination blast hole group examination blast hole in explosive dose.
It is disposed with three groups of examination blast hole groups that vertically equidistant interval is arranged, place on the further quick-fried component of examination
Explosive dose is fried in the second examination blast hole in intermediate examination blast hole group in the first examination blast hole of the examination blast hole group of bottom
1.3~1.5 times of medicine dose, the third of the examination blast hole group in the top, which tries explosive dose in blast hole, is fried in the second examination blast hole
0.8~0.9 times of medicine dose.
Before further trying quick-fried ignition, protection covering is carried out to trying quick-fried component, protects the intensity of covering according to twice or more
The second examination blast hole in explosive dose explosion situation design.
In the further step 1), the component in building to be blasted is chosen as the method for trying quick-fried component
For：The component of fabric structure stability is not interfered with as the quick-fried structure of examination after choosing explosion and crushing in building to be blasted
Part.
Quick-fried component is tried not interfere with the column of fabric structure stability after explosion and crushing described in further.
Advantages of the present invention has：1, the present invention is inconsistent by arranging multiple examination blast holes, filling dose on trying quick-fried component
Explosive, while igniting and being able to observe that the explosive blasting situation of each dose, best explosion dose is obtained with this, according to
This dose can accurately design demolition blasting work, and entire method is simple, and quantities is small, be not necessarily to multiple explosion, and obtain
Go out that result is accurate, extra burden will not be caused to management of safe operation, there is great promotional value.
2, the present invention will try blast hole group vertically arranged for interval, can distinguish the examination blast hole of different doses,
It tries quick-fried situation to become apparent from, is easy observation.
3, the present invention arranges the consistent examination blast hole of multiple doses by every group of examination blast hole group, can be quick-fried to the examination of same dose
Situation carries out multiple authentication, eliminates the interference of other factors, and it is more accurate to try quick-fried situation.
4, the present invention can effectively expand examination blast hole by the way that the examination blast hole in every group of quick-fried structure of examination to be distributed in equilateral triangle
Between explosion range, avoid generating interference between adjacent examination blast hole and influence, each examination blast hole explosion situation is made to reflect more
Really.
5, the present invention is designed by reducing dose successively from the bottom to top according to practical building situation, and component is high
Spend inconsistent, actually structural strength is also different, and such Charge control variation more acurrate can calculate best dose.
6, the quick-fried method of examination of the invention not only can disposably obtain best explosion dose, additionally it is possible to best by this
Dose calculates blasting protection coverage condition, reduces the difficulty and workload of entire design work.
The quick-fried method of examination of the present invention is simple, efficient, reduces the quick-fried workload of examination, can obtain more accurate explosion medicine
Amount, will not be caused to bear to shotfiring safety management work, have great promotional value.
Description of the drawings
Fig. 1：Blast hole deployment scenarios schematic diagram is tried on the column of the present invention.
Wherein：1-the first examination blast hole；2-the second examination blast hole；3-thirds try blast hole；4-columns.
Specific implementation mode
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Somewhere is intended to carry out demolition blasting construction, design work initial stage to an old workshop, it is thus necessary to determine that Demolition Construction is fried
Medicine dose service condition, it is therefore desirable to this be carried out try quick-fried determining explosive dose.
Try it is quick-fried before, need to choose a component in workshop as trying quick-fried component.The principle of selection is that the component is broken in explosion
Mill construction stability is not interfered with after broken, according to the architectural characteristic of workshop, chooses the column 4 in workshop as the quick-fried component of examination.
As shown in Figure 1, be drilled with examination blast hole on column 4, the present embodiment is drilled with three groups of examination blast hole groups on column 4, three groups
Trying blast hole group, vertically equidistant interval is arranged, 20cm is spaced between adjacent examination blast hole group.Every group of examination blast hole group includes two groups
The vertically quick-fried structure of examination of equidistant interval arrangement, every group of quick-fried structure of examination include three examination blast holes, the line of three examination blast holes
In equilateral triangle, wherein in the horizontal direction, the apex angle of equilateral triangle is upward on the bottom edge of equilateral triangle.
Explosive dose in every group of examination blast hole group of the present embodiment in all examination blast holes is consistent, and two adjacent groups are tried
The explosive dose in examination blast hole in blast hole group is inconsistent.Specific deployment scenarios are the examination blast hole groups among column 4
In second examination blast hole 2 in explosive dose be a, in 4 bottom of column first examination blast hole 1 in explosive dose be 1.3
~1.5a, it is 0.8~0.9a that the third in 4 the top of column, which tries the explosive dose in blast hole 3,.Wherein a is construction personnel's root
The explosive dose calculated according to 4 structure situation of column.
Before explosion, column 4 is needed to carry out protection covering, ensure the safety of construction personnel, in addition can covered by protection
Lid calculates the protection situation of later stage global blowup.The present embodiment is carried out according to explosive dose in twice or more of the second examination blast hole 2
The intensity of design protection covering.
Quick-fried method is specifically tried to include the following steps：
1) examination quick-fried component of the column 4 as entire workshop, is chosen；
2) three groups of examination blast hole groups, are drilled on column 4, from top to bottom equidistant interval is arranged successively, including is in bottom
Comprising six first examinations first groups of blast hole, in intermediate include six second examination blast holes second groups, and in most upper
The third group that blast hole is tried comprising six thirds of side, wherein filling dose is to fill medicine in the second examination blast hole 2 in the first examination blast hole 1
1.3~1.5 times of amount, it is 0.8~0.9 times that dose is filled in the second examination blast hole 2 that third, which tries filling dose in blast hole 3,；
3) before, examination is quick-fried, the protection of the intensity for the explosive dose explosion situation for meeting twice or more in the second examination blast hole 2 is covered
Lid column 4 is protected, and then ignites all examination blast holes simultaneously, observes the explosion situation of last column 4, chooses explosion feelings
Explosive dose in the best examination blast hole of condition is as best dose；
4) it, is calculated according to best dose, does the adjustment of a small range, carry out the explosive explosive load design work of demolition blasting
Make and demolition blasting protection covering design works.
When practical application, three groups of examination blast hole groups are not limited to, if complicated can add more examination blast hole groups.Also simultaneously
Three groups of examination blast hole group Chinese medicine dose distribution situations are may be not necessarily limited to, can be adjusted according to actual conditions.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of demolition blasting tries quick-fried method, it is characterised in that：Include the following steps：
1) component in building to be blasted, is chosen as the quick-fried component of examination；
2) it, is drilled with multiple examination blast holes not interfered between each other on the component, dose is filled into different examination blast holes and is differed
The explosive of cause；
3) while the explosive in all examination blast holes is ignited, the component after observation detonation chooses the best examination blast hole of demolition effect
Explosive dose is as best dose；
4) the explosion design work of demolition blasting construction, is carried out according to best dose.
2. a kind of demolition blasting as described in claim 1 tries quick-fried method, it is characterised in that：In the step 2), in the structure
Multiple methods of examination blast holes that do not interfere between each other are drilled on part is：It is drilled with multigroup examination blast hole group on trying quick-fried component, every group
It includes multiple examination blast holes to try blast hole group, and multigroup examination blast hole group from top to bottom vertically arrange by equidistant interval.
3. a kind of demolition blasting as claimed in claim 2 tries quick-fried method, it is characterised in that：The examination of every group of examination blast hole group
Filling explosive dose is consistent in blast hole, and filling explosive dose is inconsistent in the examination blast hole of two adjacent groups examination blast hole group.
4. a kind of demolition blasting as claimed in claim 3 tries quick-fried method, it is characterised in that：Every group of examination blast hole group include
At least two groups are vertically spaced apart to try quick-fried structure；The quick-fried structure of examination is quick-fried by three examinations for being not at straight line
Hole forms.
5. a kind of demolition blasting as claimed in claim 4 tries quick-fried method, it is characterised in that：Three in the quick-fried structure of examination
The line for trying blast hole is arranged in equilateral triangle.
6. a kind of demolition blasting as claimed in claim 5 tries quick-fried method, it is characterised in that：From the bottom to top, the examination being below
Explosive dose is more than explosive dose in the examination blast hole in the adjacent examination blast hole group in top in the examination blast hole of blast hole group.
7. a kind of demolition blasting as claimed in claim 6 tries quick-fried method, it is characterised in that：It is disposed on the quick-fried component of the examination
Three groups of examination blast hole groups that vertically equidistant interval is arranged, first of the examination blast hole group in bottom tries to fry in blast hole (1)
Medicine dose is 1.3~1.5 times of explosive dose in the second examination blast hole (2) in intermediate examination blast hole group, in the top
The third of examination blast hole group tries 0.8~0.9 times that explosive dose in blast hole (3) is explosive dose in the second examination blast hole (2).
8. a kind of demolition blasting as claimed in claim 7 tries quick-fried method, it is characterised in that：Before trying quick-fried ignition, to trying quick-fried component
Protection covering is carried out, the intensity of covering is protected to be set according to explosive dose explosion situation in twice or more of the second examination blast hole (2)
Meter.
9. a kind of demolition blasting as described in claim 1 tries quick-fried method, it is characterised in that：In the step 1), selection waits for
A component in explosion building is as the method for trying quick-fried component：It will not after selection explosion and crushing in building to be blasted
The component of fabric structure stability is influenced as the quick-fried component of examination.
10. a kind of demolition blasting as claimed in claim 9 tries quick-fried method, it is characterised in that：The quick-fried component of the examination is explosion
The column (4) of fabric structure stability is not interfered with after broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381013.6A CN108613601B (en) | 2018-04-25 | 2018-04-25 | Demolition blasting explosion test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810381013.6A CN108613601B (en) | 2018-04-25 | 2018-04-25 | Demolition blasting explosion test method |
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| Publication Number | Publication Date |
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| CN108613601A true CN108613601A (en) | 2018-10-02 |
| CN108613601B CN108613601B (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810381013.6A Active CN108613601B (en) | 2018-04-25 | 2018-04-25 | Demolition blasting explosion test method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557755A (en) * | 2013-11-04 | 2014-02-05 | 中国水电顾问集团华东勘测设计研究院有限公司 | Evaluation method of rock-burst control effect of deep-buried tunnel |
| CN107941104A (en) * | 2017-11-03 | 2018-04-20 | 北京科技大学 | Tunnel slotting explosive load design method based on porous short-delay blasting vibration composite calulation |
-
2018
- 2018-04-25 CN CN201810381013.6A patent/CN108613601B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557755A (en) * | 2013-11-04 | 2014-02-05 | 中国水电顾问集团华东勘测设计研究院有限公司 | Evaluation method of rock-burst control effect of deep-buried tunnel |
| CN107941104A (en) * | 2017-11-03 | 2018-04-20 | 北京科技大学 | Tunnel slotting explosive load design method based on porous short-delay blasting vibration composite calulation |
Non-Patent Citations (1)
| Title |
|---|
| 段宝福等: "钢筋混凝土框架结构高层建筑物的爆破拆除", 《爆破器材》 * |
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| CN108613601B (en) | 2020-09-04 |
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Address after: 430063 No. 745 Heping Avenue, Wuchang, Hubei, Wuhan Patentee after: China Railway Siyuan Group Engineering Construction Co., Ltd Address before: 430063 No. 745 Heping Avenue, Wuchang, Hubei, Wuhan Patentee before: GEOTECHNICAL ENGINEERING CO., LTD. OF CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP Co.,Ltd. |