CN110990936A - Method and system for determining rock mass quality index - Google Patents
Method and system for determining rock mass quality index Download PDFInfo
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- CN110990936A CN110990936A CN201911343678.9A CN201911343678A CN110990936A CN 110990936 A CN110990936 A CN 110990936A CN 201911343678 A CN201911343678 A CN 201911343678A CN 110990936 A CN110990936 A CN 110990936A
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Abstract
The invention discloses a method and a system for determining rock mass quality indexes. But also can realize automatic quantitative evaluation and classification by a computer, thereby greatly improving the working efficiency and the working quality. Meanwhile, the automatic quantitative judgment and classification of the computer are achieved, and the precision of the Q value is greatly improved. The requirements of coal mine safety production, design and mine fully mechanized mining mechanization degree are continuously improved.
Description
Technical Field
The application relates to the technical field of rock mass surveying and mapping, in particular to a method and a system for determining a rock mass quality index.
Background
The barton 'Q value evaluation method' is a method for evaluating the quality Q of a rock mass and the conditions of the rock mass during tunneling by using a system of rock parameters and for reasonably supporting the chamber with rocks.
At present, the calculation of the Q value of the rock mass quality index is to select a plurality of measuring lines in different directions of the outcrop of underground engineering surrounding rocks, namely the direction of a vertical construction line, to carry out investigation statistics in engineering geological survey and record, to respectively count RQD, Jn, Jr, Ja, Jw and SRF parameters, calculate the Q value, respectively count the values of the measuring lines, and finally to take the average value (or the lowest value) of the values, so as to obtain the Q value of various rock mass quality indexes.
However, the calculation formula cited in the current method for calculating the Q value not only has large operation workload and complicated operation, but also is easy to generate errors and has low estimation precision.
Disclosure of Invention
The invention provides a method and a system for determining a rock mass quality index, which are used for solving the problems that a calculation formula introduced by a method for calculating a Q value in the prior art is large in calculation workload, complicated in calculation, easy to generate errors and low in estimation precision.
The specific technical scheme is as follows:
a method of determining a quality indicator of a rock mass, the method comprising:
acquiring a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient and a stress reduction coefficient input by a user;
determining and calculating a corresponding rock mass quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient and the stress breaking coefficient;
and outputting the calculated rock mass quality index Q value as a final result.
Optionally, before obtaining the rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water reduction coefficient, and the stress reduction coefficient input by the user, the method further includes:
determining a first corresponding relation between a rock mass quality index Q value and a rock mass grade;
determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category;
and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
Optionally, after outputting the calculated Q value of the rock mass quality index as a final result, the method further includes:
determining an evaluation index and a classification index according to the determined rock mass quality index Q value and a surrounding rock evaluation table of the rock mass quality index Q value;
and outputting the evaluation index and the classification index.
Optionally, after obtaining the rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the disintegration coefficient of the joint surface, the joint water reduction coefficient, and the stress reduction coefficient input by the user, the method further includes:
detecting whether the obtained parameters are not in the parameter standard range or not according to a pre-stored parameter standard range;
if yes, outputting prompt information;
if not, the obtained parameters are directly adopted.
A system for determining a quality indicator of a rock mass, the system comprising:
the acquiring module is used for acquiring a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient and a stress reduction coefficient which are input by a user;
the determining module is used for determining and calculating a corresponding rock mass quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient and the stress breaking coefficient;
and the output module is used for outputting the calculated rock mass quality index Q value as a final result.
Optionally, the determining module is further configured to determine a first corresponding relationship between a quality index Q value of the rock mass and a grade of the rock mass; determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category; and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
Optionally, the determining module is further configured to determine an evaluation index and a classification index according to the determined rock quality index Q value and a surrounding rock evaluation table of the rock quality index Q value; and outputting the evaluation index and the classification index.
Optionally, the determining module is further configured to detect whether the obtained parameter is not within the parameter standard range according to a pre-stored parameter standard range; if yes, outputting prompt information; if not, the obtained parameters are directly adopted.
By the method provided by the invention, the rapid and accurate calculation of the classification Q value of the rock quality index of the coal mine (mine) roadway (stope) is realized by using a software program. But also can realize automatic quantitative evaluation and classification by a computer, thereby greatly improving the working efficiency and the working quality. Meanwhile, the automatic quantitative judgment and classification of the computer are achieved, and the precision of the Q value is greatly improved. The requirements of coal mine safety production, design and mine fully-mechanized (excavation) mining mechanization degree are continuously improved.
Drawings
FIG. 1 is a flow chart of a method for determining a rock mass quality index according to an embodiment of the present invention;
FIG. 2 is a block diagram of an application program of the Q-value method for automatically and quantitatively evaluating the quality of rock mass in the embodiment of the invention;
FIG. 3 is one of the results of Q-value method application for automatic quantitative evaluation of rock mass quality according to the embodiment of the present invention;
FIG. 4 is a second result diagram of the Q-value method for automatically and quantitatively evaluating the rock mass quality according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system for determining a rock mass quality index in an embodiment of the invention.
Detailed Description
The technical solutions of the present invention are described in detail with reference to the drawings and the specific embodiments, and it should be understood that the embodiments and the specific technical features in the embodiments of the present invention are merely illustrative of the technical solutions of the present invention, and are not restrictive, and the embodiments and the specific technical features in the embodiments of the present invention may be combined with each other without conflict.
Fig. 1 shows a flow chart of a method for determining a rock mass quality index in an embodiment of the invention, and the method comprises the following steps:
s1, acquiring a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient and a stress reduction coefficient input by a user;
s2, determining and calculating a corresponding rock mass quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient and the stress breaking coefficient;
and S3, outputting the calculated rock mass quality index Q value as a final result.
Specifically, before the process is executed, a first corresponding relation between a rock mass quality index Q value and a rock mass grade is determined; determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category; and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
This first correspondence can be illustrated by table 1, specifically as table 1:
TABLE 1
In table 1, the correspondence between the Q value and the rock mass grade can be determined, and therefore the grade can be directly obtained from the Q value.
The second correspondence relationship can be illustrated by table 1, specifically as table 2:
| q value | >40 | 10-40 | 1-10 | 1-0.1 | <0.1 |
| Class of surrounding rock | I | II | III | IV | V |
TABLE 2
In table 2, the correspondence between the Q value and the surrounding rock category can be determined, and therefore the surrounding rock category can also be directly obtained by the Q value.
Based on the correspondence in table 1 and table 2, after the Q value is obtained, the grade of the rock mass and the type of the surrounding rock can be directly determined.
For example, the Q value calculated by using the quality Q value classification method of the Buton rock mass is 0.01-1000, which represents that the surrounding rock ranges from extremely poor fragmenting rock to extremely hard rock, and the quality Q value of the surrounding rock mass is classified and commented on 9 classes, and 5 quality grades are divided.
The application program solves the Q value operation problem and achieves the purpose of automatically and quantitatively evaluating the quality of the surrounding rock mass after computer programming. The application of this procedure is now exemplified:
example (c): the test data of the rock at the top of the roadway of a certain gas storage hole are shown in Table 3, and the Q value of the rock is tried to be obtained and classified and judged.
TABLE 3
After the content in table 3 is based, the user can execute the technical scheme of the present invention through the following process, after the application program is opened, the RQD, Jn, Jr, Ja, Jw, and SRF parameters (as shown in fig. 2) are sequentially entered according to the prompt, after each parameter is entered, the Tab key is pressed or the line is changed by clicking with the mouse, and then the corresponding parameter is entered according to the prompt. The results output the required mileage of 60-64 and 75-80, the Q value is 29.7, and the rock quality category is automatically judged as general (II) (see figure 3); similarly, the calculated mileage is 64-75, the "Q value" is 29.7, and the rock quality category is automatically judged as "poor (III) detailed in (FIG. 4).
By the method provided by the invention, the rapid and accurate calculation of the classification Q value of the rock quality index of the coal mine (mine) roadway (stope) is realized by using a software program. But also can realize automatic quantitative evaluation and classification by a computer, thereby greatly improving the working efficiency and the working quality. Meanwhile, the automatic quantitative judgment and classification of the computer are achieved, and the precision of the Q value is greatly improved. The requirements of coal mine safety production, design and mine fully-mechanized (excavation) mining mechanization degree are continuously improved.
Corresponding to the method provided by the present invention, the embodiment of the present invention further provides a system for determining a rock mass quality index, as shown in fig. 5, which is a schematic structural diagram of a system for determining a rock mass quality index in the embodiment of the present invention, and the system includes:
an obtaining module 501, configured to obtain a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient, and a stress reduction coefficient, which are input by a user;
a determining module 502, configured to determine and calculate a corresponding rock quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient, and the stress breaking coefficient;
and the output module 503 is configured to output the calculated rock mass quality index Q value as a final result.
Further, in the embodiment of the present invention, the determining module 502 is further configured to determine a first corresponding relationship between a quality index Q value of a rock mass and a grade of the rock mass; determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category; and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
Further, in the embodiment of the present invention, the determining module 502 is further configured to determine an evaluation index and a classification index according to the determined rock quality index Q value and a surrounding rock evaluation table of the rock quality index Q value; and outputting the evaluation index and the classification index.
Further, in this embodiment of the present invention, the determining module 502 is further configured to detect whether the obtained parameter is not within the parameter standard range according to a pre-stored parameter standard range; if yes, outputting prompt information; if not, the obtained parameters are directly adopted.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the application, including the use of specific symbols, labels, or other designations to identify the vertices.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. A method for determining a rock mass quality index is characterized by comprising the following steps:
acquiring a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient and a stress reduction coefficient input by a user;
determining and calculating a corresponding rock mass quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient and the stress breaking coefficient;
and outputting the calculated rock mass quality index Q value as a final result.
2. The method of claim 1, wherein prior to obtaining the user-entered rock quality indicator, the joint set number coefficient, the joint surface roughness coefficient, the disintegration coefficient of the joint surface, the in-joint water reduction coefficient, and the stress reduction coefficient, the method further comprises:
determining a first corresponding relation between a rock mass quality index Q value and a rock mass grade;
determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category;
and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
3. A method according to claim 2, wherein after outputting the calculated rock mass quality indicator Q value as a final result, the method further comprises:
determining an evaluation index and a classification index according to the determined rock mass quality index Q value and a surrounding rock evaluation table of the rock mass quality index Q value;
and outputting the evaluation index and the classification index.
4. The method of claim 1, wherein after obtaining the user-entered rock quality indicator, the joint number coefficient, the joint surface roughness coefficient, the disintegration coefficient of the joint surface, the in-joint water reduction coefficient, and the stress reduction coefficient, the method further comprises:
detecting whether the obtained parameters are not in the parameter standard range or not according to a pre-stored parameter standard range;
if yes, outputting prompt information;
if not, the obtained parameters are directly adopted.
5. A system for determining a quality indicator of a rock mass, the system comprising:
the acquiring module is used for acquiring a rock quality index, a joint group number coefficient, a joint surface roughness coefficient, a joint surface disintegration coefficient, a joint water reduction coefficient and a stress reduction coefficient which are input by a user;
the determining module is used for determining and calculating a corresponding rock mass quality index Q value according to the obtained rock quality index, the joint group number coefficient, the joint surface roughness coefficient, the joint surface disintegration coefficient, the joint water breaking coefficient and the stress breaking coefficient;
and the output module is used for outputting the calculated rock mass quality index Q value as a final result.
6. The system of claim 5, wherein the determining module is further configured to determine a first correspondence between a quality indicator Q of the rock mass and a grade of the rock mass; determining a second corresponding relation between the quality index Q value of the rock mass and the surrounding rock category; and generating a surrounding rock evaluation table of the rock mass quality index Q value according to the first corresponding relation and the second corresponding relation, and storing the surrounding rock evaluation table of the rock mass quality index Q value.
7. The system of claim 5, wherein the determining module is further configured to determine an evaluation index and a classification index according to the determined Q value of the rock quality index and a surrounding rock evaluation table of the Q value of the rock quality index; and outputting the evaluation index and the classification index.
8. The system of claim 5, wherein the determining module is further configured to detect whether the obtained parameter is not within the parameter standard range according to a pre-stored parameter standard range; if yes, outputting prompt information; if not, the obtained parameters are directly adopted.
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| CN113312433A (en) * | 2021-06-18 | 2021-08-27 | 苏柏瑞 | Surrounding rock classification method and classification system |
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