CN109883278B - Method and device for determining detonator section in differential interference vibration reduction blasting - Google Patents
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Abstract
The embodiment of the invention discloses a method and a device for determining detonator section in differential interference vibration reduction blasting, which relates to the field of engineering blasting and can accurately determine the detonator section arranged in blast holes detonated at adjacent intervals. The method comprises the following steps: determining the optimal differential time of the blasting hole detonating of adjacent interval detonating; and determining the section of the detonator arranged in the blast hole detonated at the adjacent interval according to the optimal differential time. The apparatus, electronic device, and readable storage medium include modules for performing the methods. The method is suitable for determining the section of the detonator loaded in the blast hole detonated at intervals.
Description
Technical Field
The invention relates to the field of engineering blasting, in particular to a method and a device for determining the difference of detonator sections in differential interference vibration reduction blasting, electronic equipment and a readable storage medium.
Background
Along with the continuous progress and development of society, the improvement of human living environment also puts forward higher requirements, along with the utilization and development of energy and resources, in the process, the blasting is taken as a convenient and efficient technical means in mining and infrastructure construction, and the construction process of mining and various basic public facilities in China is promoted. However, the blasting itself causes severe vibration, which affects the environment around the blasting site and human life, so that it is necessary to consider reducing the blasting vibration effect during the blasting.
The method is characterized in that the differential interference vibration reduction is one of the commonly used technical means in the current geotechnical engineering blasting, wherein the determination of the detonator section is particularly important in the differential vibration reduction design, and the determination of the detonator section depends on the determination of the optimal differential time and the detonator delay error. Because delay errors of each section of detonator are different, even if the optimal differential time is determined, the detonator section determination still lacks necessary basis. With the advent of high-precision electronic detonators, accurate control of blasting time has become possible, but because electronic detonators are expensive, they cannot be applied to field engineering in large scale at present, so that in the current differential interference vibration reduction design, the detonator section is still determined by experience.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, an apparatus, an electronic device, and a readable storage medium for determining detonator segment types in differential interference shock-reducing blasting, which can more accurately determine detonator segment types installed in blast holes detonated at adjacent intervals.
In a first aspect, an embodiment of the present invention provides a method for determining detonator segment differences in differential interference vibration-reduction blasting, including: determining the optimal differential time of the blasting hole detonating of adjacent interval detonating; and determining the section of the detonator arranged in the blast hole detonated at the adjacent interval according to the optimal differential time.
According to a specific implementation manner of the embodiment of the present invention, the determining the section of the detonator according to the optimal differential time includes: determining the probability of detonating each segment according to the optimal differential time; and taking the section with the maximum probability of the initiation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
According to a specific implementation manner of the embodiment of the present invention, determining the probability of detonating each segment at the optimal differential time according to the optimal differential time includes:
calculating the probability of detonation of each segment at the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the ith section of detonator and the sigma of each section of detonatoriRelated, σiStandard deviation of the detonator of the ith class, F (t)j)、F(tk-tj) The delay error of the detonator in the ith section is tjAnd tk-tjThe probability value of (2).
In a second aspect, an embodiment of the present invention provides a device for determining a segment of a detonator in a differential interference vibration reduction blasting, including: the system comprises an optimal differential time determining module and a detonator section determining module, wherein the optimal differential time determining module is used for determining the optimal differential time of the detonation of blast holes detonated at adjacent intervals; and the detonator section determining module is used for determining the section of the detonator arranged in the blast hole detonated at the adjacent interval according to the optimal differential time.
According to a specific implementation manner of the embodiment of the present invention, the detonator segment identification determining module includes:
the detonation probability determining module is used for determining the probability of detonation of each section at the optimal differential time according to the optimal differential time; and the detonator section determining submodule is used for taking the section with the highest probability of detonation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
According to a specific implementation manner of the embodiment of the present invention, the detonation probability determining module includes: and the detonation probability calculating module is used for calculating the detonation probability of each segment in the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the ith section of detonator and the sigma of each section of detonatoriRelated, σiStandard deviation of the detonator of the ith class, F (t)j)、F(tk-tj) The delay error of the detonator in the ith section is tjAnd tk-tjThe probability value of (2).
In a third aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes: the device comprises a shell, a processor, a memory, a circuit board and a power circuit, wherein the circuit board is arranged in a space enclosed by the shell, and the processor and the memory are arranged on the circuit board; a power supply circuit for supplying power to each circuit or device of the electronic apparatus; the memory is used for storing executable program codes; the processor executes the program corresponding to the executable program code by reading the executable program code stored in the memory, and is used for executing the method of any one of the foregoing implementation modes.
In a fourth aspect, embodiments of the present invention also provide a computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement a method as described in any of the preceding implementations.
According to the method, the device and the readable storage medium for determining the detonator section in the differential interference vibration reduction blasting provided by the embodiment of the invention, the optimal differential time of the blasting of the blastholes detonated at adjacent intervals is determined, then according to the optimal differential time, on the basis of considering the delay error of the detonator, a probability calculation formula that the blastholes detonated at adjacent intervals are detonated at the optimal differential time is provided, the section of the detonator loaded in the blastholes detonated at adjacent intervals is further determined, the section of the detonator loaded in the blastholes detonated at adjacent intervals can be more accurately determined, and the problem that the detonator section is determined by experience in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a method for determining detonator segment differences in differential interference shock-reducing blasting according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a target location and first and second blastholes in a blast site;
fig. 3 is a schematic structural diagram of a device for determining the difference of detonator in the differential interference vibration-reduction blasting according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of an electronic device according to the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first aspect, embodiments of the present invention provide a method for determining detonator segment types in differential interference shock-reducing blasting, which can more accurately determine detonator segment types installed in blast holes detonated at adjacent intervals.
Fig. 1 is a flowchart of a method for determining detonator segment identity in a differential interference vibration-reduced blasting according to an embodiment of the present invention, as shown in fig. 1.
The method of the embodiment may include:
and 11, determining the optimal differential time of the detonation of the blast holes detonated at adjacent intervals.
In this embodiment, a plurality of blast holes are usually arranged on the blasting site to achieve the purposes of accelerating the construction speed and saving human resources.
The optimal differential time is that adjacent blast holes are blasted at an interval of time after the blast holes are blasted, and energy fields generated by blasting of the two blast holes are mutually influenced, so that the blasting effect can be improved, and the blasting earthquake effect, the shock wave and the flying rock damage can be reduced.
And 12, determining the section of the detonator loaded in the blast hole detonated at the adjacent interval according to the optimal differential time.
In this embodiment, the section of the detonator in the first blast hole and the second blast hole can be determined according to the optimal differential time and the probability that each section detonates at the optimal differential time.
In this embodiment, the section of the detonators installed in the first blast hole and the second blast hole is determined according to the optimal differential time and the probability that each section detonates according to the optimal differential time, so that the optimal differential time detonators are realized according to a higher probability in a blasting site, and a good vibration reduction effect is achieved.
According to the embodiment, the optimal differential time of the initiation of the blast holes initiated at adjacent intervals is determined, a probability calculation formula of the initiation of the blast holes initiated at adjacent intervals in the optimal differential time is provided according to the optimal differential time and on the basis of considering the delay error of the detonator, and then the section of the detonator filled in the blast holes initiated at adjacent intervals is determined, so that the section of the detonator filled in the blast holes initiated at adjacent intervals can be accurately determined, a basis is provided for determining the section of the detonator, and the problem that the section of the detonator is determined by experience in the prior art is solved.
In an embodiment of the present invention, determining the section of the detonators loaded in the blast holes detonated at adjacent intervals according to the optimal differential time includes:
and R1, determining the probability of detonating each segment at the optimal differential time according to the optimal differential time.
In this embodiment, the two detonators of each section have different detonation probabilities in the same optimal differential time.
And B2, taking the section with the maximum probability of the initiation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
In this embodiment, the section with the highest probability of detonation at the determined optimal differential time of each section is the section of the detonators installed in the first blast hole and the second blast hole.
In the embodiment, the probability that each section of detonator detonators detonates in the optimal differential time is determined, and the section with the highest probability of the optimal differential time is used as the section of the detonators arranged in two adjacent blast holes detonated successively, so that the possibility that the two blast holes detonate in the optimal differential time can be improved, and a good vibration reduction effect is achieved.
In an embodiment of the present invention, the determining, according to the optimal differential time, a probability that each segment detonates at the optimal differential time includes:
calculating the probability of detonation of each segment at the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the ith section of detonator and the sigma of each section of detonatoriRelated, σiStandard deviation of detonator of i-th class, F (t)j)、F(tk-tj) Delay error of single detonator is tjAnd tk-tjThe probability value of (2).
In the embodiment, the probability that two detonators in the same section detonate in the optimal differential time is calculated in a traversing way in the upper limit and the lower limit of the detonator delay error interval.
According to the embodiment, the probability that two detonators of each section detonate in the optimal differential time is determined, so that the possibility that two blast holes detonate in the optimal differential time can be improved, and a good vibration reduction effect is achieved.
As an alternative embodiment, determining the probability of any delay error initiation of each section of single-shot detonators comprises:
and R11, obtaining the delay mean value and the sample standard deviation of each section of detonator.
In this embodiment, the number of samples of each section of detonator is not less than 100.
And B12, performing regression calculation on the sample standard deviation to obtain the change relation of the standard deviation along with the detonator delay average value.
In this embodiment, since the standard deviations of the obtained samples are different from each other in different samples for the detonators of the same stage, the standard deviations of the samples may be regressed, the regression standard deviations may be subjected to interval estimation, and the upper limit of the predetermined confidence level may be taken as the standard deviation.
B13, determining the probability of the detonation of each section of single detonator with any delay error, comprising the following steps:
calculating the probability of the single detonator of each section detonating with any delay error according to the following formula:
wherein,
is a normal distribution probability density function, x is a delay error, sigma is a standard deviation, and a and b are two endpoints of a delay error interval.
In this embodiment, the delay error can be regarded as a random variable, and when the number of i-th detonators in the same batch is large enough, the delay error follows normal distribution and is recorded as xi～N(0，σ2)，xiFor delaying the i-th detonatorError, σ, is the standard deviation.
In this embodiment, the probability of detonation of each section of detonator at the optimal differential time is calculated by performing regression calculation on the detonator sample of each section and taking a certain confidence level upper limit as the standard deviation of each section of detonator, that is, when the delay error interval of each section of detonator is the largest, so that the detonation probability of each section of detonator can be calculated more accurately.
The technical solution of the embodiment of the method shown in fig. 1 is described in detail below using a specific embodiment.
Fig. 2 is a schematic diagram of a target location and first and second blastholes in a blast site.
The differential interference vibration reduction target is a building, the distances between the building and the first blast hole and between the building and the second blast hole are 55m and 50m respectively, the first blast hole and the second blast hole are adjacent blast holes which are detonated successively, and the optimal differential time for the detonation of the first blast hole and the second blast hole is 15ms-25 ms.
Step 1, sampling detection is carried out on each section of detonator used in a blasting field, and a delay mean value and a sample standard deviation of each section of detonator are obtained. The number of samples per section detonator was 200.
And 2, performing regression calculation on the sample standard deviation to obtain a standard deviation distribution interval of each section of detonator under the 95% confidence level, wherein the upper limit of the 95% confidence level can be taken as the standard deviation of different sections of detonators.
And 3, calculating the delay error probability of the single detonator. The delay error can be regarded as a random variable, when the number of the ith section detonators in the same batch is large enough, the delay error obeys normal distribution and is recorded as ti～N(0，σ2) In the formula, tiAnd (4) calculating the standard deviation corresponding to the 95% confidence level upper limit corresponding to the delay mean value of the ith section of detonator, wherein the sigma is the standard deviation and is the delay error of the ith section of detonator.
According to the normal distribution probability density function
The probability of the i-th section of detonator under any delay error can be obtained by integrating the intervals (a, b) of any delay errorValue of
Wherein x is the delay error of the i-th section detonator, and a, b is equal to +/-1.96 sigma.
And 4, calculating the detonation probability of each segment in the optimal differential time according to the following formula:
wherein, t1、tn15ms and 25ms, tkThe value is between 15ms and 25ms, preferably 15ms, 16ms, etc. i is the detonator section, +/-tmIs the upper limit and the lower limit of the delay error interval of the detonator of the ith section +/-1.96 sigmai，σiStandard deviation of detonator of i-th class, F (t)j)、F(tk-tj) Delay error of single detonator is tjAnd tk-tjThe probability value of (2).
And 5, according to the formula, calculating the probability of detonation of each section and two detonators in sequence at the optimal differential time to obtain the section with the highest probability of detonation at the optimal differential time as the section 11.
Fig. 3 is a schematic structural diagram of a device for determining detonator segment differences in differential interference vibration reduction blasting according to an embodiment of the present invention, as shown in fig. 4, the device according to the embodiment may include: the device comprises an optimal differential time determining module 1a and a detonator section determining module 2a, wherein the optimal differential time determining module 1a is used for determining the optimal differential time of the detonation of blast holes detonated at adjacent intervals; and the detonator section determining module 2a is used for determining the section of the detonator filled in the blast hole detonated at the adjacent interval according to the optimal differential time.
The apparatus of this embodiment may be used to implement the technical solution of the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
In an embodiment of the present invention, the detonator segment identification determining module 2a further includes: a detonation probability determination module 2a1, a detonator segment determination submodule 2a2, wherein,
the detonation probability determining module 2a1 is used for determining the probability of detonation of each segment at the optimal differential time according to the optimal differential time;
and the detonator section determining submodule 2a2 is used for taking the section with the highest probability of detonation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
In an embodiment of the present invention, the detonation probability determining module 2a1 includes:
and the detonation probability calculating module 2a11 is used for calculating the probability of detonation of each section detonator at the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the ith section of detonator and the sigma of each section of detonatoriRelated, σiStandard deviation of detonator of i-th class, F (t)j)、F(tk-tj) The delay error of the detonator in the ith section is tjAnd tk-tjThe probability value of (2).
As an alternative embodiment, the module for calculating detonation probability 2a11 includes: the module 2011a for calculating the detonation probability of the single detonator is used for determining the probability of any delay error detonation of each section of the single detonator.
As an alternative embodiment, the module 2011a for calculating the detonation probability of the single detonator includes: a sample obtaining module c1, a standard deviation regression calculating module c2 and a single detonator detonation probability calculating module c3, wherein,
the sample acquisition module c1 is used for acquiring the delay mean value and the sample standard deviation of each section of detonator;
the standard deviation regression calculation module c2 is used for performing regression calculation on the standard deviation of the sample to obtain the change relation of the standard deviation along with the mean value of the delay of the detonator;
and the single detonator detonation probability calculation module c3 is used for determining the probability that each section of single detonator detonates with any delay error.
In a third aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes the apparatus in any of the foregoing embodiments.
Fig. 4 is a schematic structural diagram of an embodiment of an electronic device of the present invention, which can implement the processes of the embodiments shown in fig. 1 and 2 of the present invention, and as shown in fig. 4, the electronic device may include: the device comprises a shell 41, a processor 42, a memory 43, a circuit board 44 and a power circuit 45, wherein the circuit board 44 is arranged inside a space enclosed by the shell 41, and the processor 42 and the memory 43 are arranged on the circuit board 44; a power supply circuit 45 for supplying power to each circuit or device of the electronic apparatus; the memory 43 is used for storing executable program code; the processor 42 executes a program corresponding to the executable program code by reading the executable program code stored in the memory 43, for executing the method described in any of the foregoing embodiments.
The specific execution process of the above steps by the processor 42 and the steps further executed by the processor 42 by running the executable program code may refer to the description of the embodiment shown in fig. 1 to 3 of the present invention, and are not described herein again.
The electronic device exists in a variety of forms, including but not limited to:
(1) ultra mobile personal computer device: the equipment belongs to the category of personal computers, has calculation and processing functions and generally has the characteristic of mobile internet access. Such terminals include: PDA, MID, and UMPC devices, etc., such as ipads.
(2) A server: the device for providing the computing service comprises a processor, a hard disk, a memory, a system bus and the like, and the server is similar to a general computer architecture, but has higher requirements on processing capacity, stability, reliability, safety, expandability, manageability and the like because of the need of providing high-reliability service.
(3) And other electronic equipment with data interaction function.
In a fourth aspect, embodiments of the present invention also provide a computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement a method as described in any of the preceding implementations.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
For convenience of description, the above devices are described separately in terms of functional division into various units/modules. Of course, the functionality of the units/modules may be implemented in one or more software and/or hardware implementations of the invention.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A method for determining the section of a detonator in the differential interference vibration reduction blasting is characterized by comprising the following steps:
determining the optimal differential time of the blasting hole detonating of adjacent interval detonating;
determining the section of the detonator arranged in the blast hole detonated at the adjacent interval according to the optimal differential time; determining the section of the detonators loaded in the blast holes detonated at adjacent intervals according to the optimal differential time, wherein the determining comprises the following steps:
determining the probability of detonating each segment according to the optimal differential time; wherein, the determining the probability of detonating each segment at the optimal differential time according to the optimal differential time comprises:
calculating the probability of detonation of each segment at the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the detonator of the ith section and each sectionSigma of detonatoriRelated, σiStandard deviation of detonator of i-th class, F (t)j)、F(tk-tj) The delay error of the detonator in the ith section is tjAnd tk-tjA probability value of (d);
and taking the section with the maximum probability of the initiation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
2. An apparatus for determining the identity of a detonator in a differential interference vibration-reduced blasting, the apparatus comprising:
the optimal differential time determining module is used for determining the optimal differential time of the detonation of the blast holes detonated at adjacent intervals;
the detonator section determining module is used for determining the section of the detonator arranged in the blast hole detonated at the adjacent interval according to the optimal differential time; wherein the detonator segment identification module comprises:
the detonation probability determining module is used for determining the probability of detonation of each segment in the optimal differential time according to the optimal differential time; wherein the detonation probability determination module comprises: and the detonation probability calculating module is used for calculating the detonation probability of each segment in the optimal differential time according to the following formula:
wherein, t1、tnMinimum and maximum times, t, for optimum differential timek∈(t1，tn) I is the detonator section, +/-tmThe upper limit and the lower limit of the delay error interval of the ith section of detonator and the sigma of each section of detonatoriRelated, σiStandard deviation of detonator of i-th class, F (t)j)、F(tk-tj) The delay error of the detonator in the ith section is tjAnd tk-tjA probability value of (d);
and the detonator section determining submodule is used for taking the section with the highest probability of detonation of the optimal differential time as the section of the detonators arranged in the first blast hole and the second blast hole.
3. An electronic device, characterized in that the electronic device comprises: the device comprises a shell, a processor, a memory, a circuit board and a power circuit, wherein the circuit board is arranged in a space enclosed by the shell, and the processor and the memory are arranged on the circuit board; a power supply circuit for supplying power to each circuit or device of the electronic apparatus; the memory is used for storing executable program codes; the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory for performing the method of claim 1.
4. A computer-readable storage medium, characterized in that the computer-readable storage medium stores one or more programs which are executable by one or more processors to implement the method of claim 1.
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