39results about How to "Realize solution calculation" patented technology

The invention discloses an RQDt optimal threshold t solving method based on photogrammetry and RQD inversion, and belongs to the field of RQDt optimal threshold t solving, and the method comprises thesteps: (1) quickly obtaining structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) making rock mass quality calculation based on RQD indexes; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; and (6) arranging an optimal threshold t solving method based on RQD inversion. Photogrammetry, fuzzy equivalent clustering, an RQD theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t of RQDt is solved, and the RQDt optimal threshold t solving method based on photogrammetry and RQD inversion is provided. The method is clear, the obtained threshold t can reflect the real rock mass quality, and themethod is suitable for solving the optimal threshold t of the rock mass RQDt.

The invention discloses an improved Mathews stability diagram evaluation method based on photogrammetry, BQ, RQDt and crustal stress, and belongs to the field of Mathews stability diagram evaluation methods, and the method comprises the following steps: (1) quickly obtaining structural plane digital photogrammetry; (2) conducting structural plane fuzzy equivalent clustering analysis; (3) conducting rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) solving an optimalthreshold t based on BQ inversion; (7) solving an RQDt under anisotropy conditions; (8) measuring a crustal stress; (9) improving a Mathews stability graph method; and (10) conducting evaluation basedon an improved Mathews stability diagram. According to the method, photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model, a generalized RQD theory and a crustal stress measurement method are combined, and improved Mathews stability diagram method mine room stability evaluation considering RQDt anisotropy and crustal stress fitting is achieved. The method is clear and suitable for evaluating the stability of the mine room surrounding rock.

A Q anisotropy solving method based on laser scanning, BQ and RQDt anisotropy belongs to the field of Q anisotropy solving, and comprises the following steps: (1) quickly obtaining structural plane three-dimensional laser scanning; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; and (8) performing a Q anisotropy solving method. According to the invention, three-dimensional laser scanning, an affinity propagation algorithm, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t and anisotropy of RQDt are solved, Q anisotropy is solved, and the Q anisotropy solving method basedon laser scanning, BQ and RQDt anisotropy is provided. The method is clear, and is suitable for anisotropy solution of the rock mass Q.

A space RQDt solving method based on laser scanning and BQ inversion optimal threshold t belongs to the field of RQDt anisotropism solving, and comprises the following steps: (1) quickly acquiring structural surface three-dimensional laser scanning; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimal threshold t solving method based on BQ inversion; and (7)performing a space RQDt solving method. According to the invention, three-dimensional laser scanning, an affinity propagation algorithm, a BQ theory, a fracture network model, a generalized RQD theoryand a conic curve equation are combined, and optimal threshold t solution of RQDt and drawing of an RQDt elliptic curve and an anisotropic ellipsoid under the optimal threshold t are achieved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can reflect the RQDt anisotropic characteristics of the real rock mass, and the method is suitable for solvingthe spatial anisotropy of the rock mass RQDt.

The invention discloses an RQDt optimal threshold t solving method based on photogrammetry and BQ inversion, and belongs to the field of RQDt optimal threshold t solving, and the method comprises thefollowing steps: (1) quickly obtaining structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; and (6) providing an optimal threshold t solving method based on BQ inversion. According to the invention, photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, theoptimal threshold t of RQDt is solved, and the RQDt optimal threshold t solving method based on photogrammetry and BQ inversion is provided. The method is clear, the obtained threshold t can reflectthe real rock mass quality, and the method is suitable for solving the optimal threshold t of the rock mass RQDt.

The invention discloses an improved Mathews stability diagram evaluation method based on laser scanning, BQ and RQDt anisotropy, and belongs to the field of Mathews stability diagram evaluation methods, and the method comprises the following steps: (1) quickly obtaining three-dimensional laser scanning of a structural plane; (2) performing structural plane clustering analysis; (3) performing rockmass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; (8) performing an improved method of a Mathews stability graph method; and (9) improving a Mathews stability diagram evaluation method. According to the invention, three-dimensional laser scanning, structural plane clustering analysis, a BQ theory, a fracture network model and a generalized RQD theory are combined, and improved Mathews stability diagram method mine room stability evaluation considering RQDt anisotropism is achieved. The method is clear and suitable for evaluating the stability of the mine room surrounding rock.

The invention discloses an improved Mathews stability diagram evaluation method based on laser scanning, BQ and RQDt anisotropy, and belongs to the field of Mathews stability diagram evaluation methods, and the method comprises the following steps: (1) quickly obtaining three-dimensional laser scanning of a structural plane; (2) carrying out structural plane clustering analysis; (3) carrying out rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) adopting an optimal threshold t solving method based on BQ inversion; (7) adopting an RQDt anisotropy solving method; (8) adopting an improved method of a Mathews stability graph method; and (9) improving a Mathews stability diagram evaluation method. According to the method, three-dimensional laser scanning, structural plane clustering analysis, a BQ theory, a fracture network model and a generalized RQD theory are combined, and improved Mathews stability diagram method mine room stability evaluation considering RQDt anisotropism is achieved. The method is clear and suitable for evaluating the stability of the mine room surrounding rock.

A space RQDt solving method based on laser scanning and RQD inversion optimal threshold t belongs to the RQDt anisotropy solving field, and comprises the following steps: (1) carrying out structural plane three-dimensional laser scanning rapid acquisition; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) making rock mass quality calculation based on RQD indexes; (4)generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) arranging an optimal threshold t solving method based on RQD inversion; and(7) arranging a space RQDt solving method. Three-dimensional laser scanning, an affinity propagation algorithm, an RQD theory, a fracture network model, a generalized RQD theory and a conic curve equation are combined, and optimal threshold t solution of RQDt and drawing of an RQDt elliptic curve and an anisotropic ellipsoid under the optimal threshold t are achieved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can reflect the RQDt anisotropic characteristics of the real rock mass, and the method is suitable for solving the spatial anisotropyof the rock mass RQDt.

A roadway excavation unfavorable orientation solving method based on photogrammetry, RQD and RQDt belongs to the field of roadway excavation orientations, and comprises the following steps: (1) rapidly obtaining structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) making rock mass quality calculation based on RQD indexes; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) arranging an optimal threshold t solving method based on RQD inversion; (7) arranging a space RQDt solving method; and (8) arranging a roadway excavation unfavorable orientation solving method. The optimal threshold t of the RQDt is solved, the RQDt elliptic curve and the anisotropicellipsoid are drawn, and the roadway excavation unfavorable orientation under the optimal threshold t is solved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropicellipsoid can accurately reflect the RQDt anisotropic characteristics of the rock mass, and the obtained roadway excavation adverse orientation can be used for guiding roadway excavation constructionapplication.

A Q anisotropy solving method based on photogrammetry, RQD and RQDt anisotropy belongs to the field of Q anisotropy solving, and comprises the following steps: (1) quickly acquiring structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) making rock mass quality calculation based on RQD indexes; (4) generating and sectioning a rock massthree-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) arranging an optimal threshold t solving method based on RQD inversion; (7) arranging an RQDt anisotropy solving method; and (8) arranging a Q anisotropy solving method. Photogrammetry, fuzzy equivalent clustering, an RQD theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t and anisotropy of RQDt are solved, Q anisotropy is solved, and the Q anisotropy solving method based on photogrammetry, RQD and RQDt anisotropy is provided. The method is clear, and is suitable for anisotropy solution of the rock mass Q.

The invention discloses an improved method of a Mathews stability graph method based on photogrammetry and BQ and RQDt anisotropism, and belongs to the field of improvement of the Mathews stable graphmethod, which comprises the following steps: (1) quickly obtaining structural plane digital photogrammetry; (2) performing structural plane fuzzy equivalent clustering analysis; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; and (8) performing an improved method of a Mathews stability graph method. According to the invention, photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t of RQDt and anisotropy of RQDtare solved, and improvement of a Mathews stable graph method is achieved. The method provided by the invention is clear and is a method suitable for Mathews stability graph improvement.

An improvement method of a Mathews stability diagram method based on BQ and RQDt anisotropy belongs to the field of method improvement of the Mathews stability diagram method, and comprises the following steps: (1) rock mass quality calculation based on a BQ index; (2) generating and sectioning of a rock mass three-dimensional fracture network model; (3) drawing of an RQDt anisotropy diagram; (4)an optimal threshold t solving method based on BQ inversion; (5) an RQDt anisotropy solving method; and (6) an improved method of a Mathews stability diagram method. According to the method, the BQ theory, the fracture network model, the generalized RQD theory and inversion calculation are combined, the optimal threshold t and anisotropy of RQDt are solved, and the Mathews stability diagram methodconsidering anisotropy of RQDt is improved. The method provided by the invention is clear and is suitable for improving a Mathews stability diagram method.

An RQDt optimal threshold t solving method based on RQD inversion belongs to the RQDt optimal threshold t solving field, and comprises the following steps: (1) making rock mass quality calculation based on an RQD index; (2) generating and sectioning a rock mass three-dimensional fracture network model; (3) drawing an RQDt anisotropy diagram; and (4) arranging an optimal threshold t solving methodbased on RQD inversion. The RQD theory, the fracture network model, the generalized RQD theory and inversion calculation are combined, the optimal threshold t of RQDt is solved, and the RQDt optimal threshold t solving method based on RQD inversion is provided. The method is clear, the obtained threshold t can reflect the real rock mass quality, and the method is suitable for solving the optimal threshold t of the rock mass RQDt.

The invention relates to a roadway excavation unfavorable orientation solving method based on laser scanning, BQ and RQDt, and belongs to the field of roadway excavation orientations, and the method comprises the following steps: (1) quickly obtaining three-dimensional laser scanning of a structural plane; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) providing an optimal threshold t solving method based on BQ inversion; (7) performing a space RQDt solving method; and (8) performing a roadway excavation unfavorable orientation solving method. According to the invention,the optimal threshold t of the RQDt is solved, the RQDt elliptic curve and the anisotropic ellipsoid are drawn, and the roadway excavation unfavorable orientation under the optimal threshold t is solved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can accurately reflect the RQDt anisotropic characteristics of the rock mass, and the obtained roadway excavation adverse orientation can be used for guiding roadway excavation construction application.

The invention discloses an RQDt anisotropy solving method based on laser scanning, BQ and an optimal threshold value, and belongs to the field of RQDt anisotropy solving, which comprises the followingsteps: (1) quickly obtaining three-dimensional laser scanning of a structural surface; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) providing an optimal threshold t solving method based on BQ inversion; and (7) performing an RQDt anisotropy solving method. According to the invention, three-dimensional laser scanning, an affinity propagation algorithm, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, solving of the optimal threshold t and anisotropy of RQDt is achieved, and the RQDt anisotropy solving method basedon laser scanning, BQ and the optimal threshold is provided. The method is clear, and is suitable for anisotropic solution of rock mass RQDt.

A Q anisotropy solving method based on RQD and RQDt anisotropy belongs to the field of Q anisotropy solving, and comprises the following steps: (1) making rock mass quality calculation based on RQD indexes; (2) generating and sectioning a rock mass three-dimensional fracture network model; (3) drawing an RQDt anisotropy diagram; (4) arranging an optimal threshold t solving method based on RQD inversion; (5) arranging an RQDt anisotropy solving method; and (6) arranging a Q anisotropy solving method. An RQD theory, a fracture network model, a generalized RQD theory and inversion calculation arecombined, the optimal threshold t and anisotropy of RQDt are solved, Q anisotropy is solved, and the Q anisotropy solving method based on RQD and RQDt anisotropy is provided. The method is clear, andis suitable for anisotropy solution of the rock mass Q.

The invention discloses an RQDt optimal threshold t solving method based on three-dimensional laser scanning and BQ inversion, and belongs to the field of RQDt optimal threshold t solving, which comprises the following steps: (1) quickly obtaining three-dimensional laser scanning of a structural plane; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) performing rockmass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; and (6) performing an optimalthreshold t solving method based on BQ inversion. According to the invention, three-dimensional laser scanning, an affinity propagation algorithm, a BQ theory, a fracture network model, a generalizedRQD theory and inversion calculation are combined, the optimal threshold t of RQDt is solved, and the RQDt optimal threshold t solving method based on three-dimensional laser scanning and BQ inversionis provided. The method is clear, the obtained threshold t can reflect the real rock mass quality, and the method is suitable for solving the optimal threshold t of the rock mass RQDt.

The invention relates to a BQ and RQDt-based roadway excavation unfavorable orientation solving method, which belongs to the field of roadway excavation orientations, and comprises the following steps: (1) calculating rock mass quality based on a BQ index; (2) generating and sectioning a rock mass three-dimensional fracture network model; (3) drawing an RQDt anisotropy diagram; (4) performing an optimal threshold t solving method based on BQ inversion; (5) performing a space RQDt solving method; and (6) performing a roadway excavation unfavorable orientation solving method. According to the invention, the BQ theory, the fracture network model, the generalized RQD theory and the conic curve equation are combined, the optimal threshold t of RQDt is solved, the RQDt elliptic curve and the anisotropic ellipsoid are drawn, and the roadway excavation unfavorable orientation under the optimal threshold t is solved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can accurately reflect the RQDt anisotropic characteristics of the rock mass, and the obtained roadway excavation adverse orientation can be used for guiding roadway excavation construction application.

The invention relates to an improved method of a Mathews stability diagram method based on laser scanning and BQ and RQDt anisotropy, and belongs to the field of improvement method of the Mathews stable diagram method. The improved method comprises the following steps: (1) obtaining structural plane three-dimensional laser scanning rapidly; (2) performing structural plane clustering analysis; (3)performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performingan optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; and (8) performing an improved method of a Mathews stability diagram method. According to the invention, three-dimensional laser scanning, structural plane clustering analysis, a BQ theory, a fracture network model and a generalized RQD theory are combined, solving of the optimal threshold t of RQDt and anisotropy of RQDt is achieved, and improvement of a Mathews stability diagram method is achieved. The method provided by the invention is clear and is suitable for improving a Mathews stability diagram method.

The invention relates to an improved method of a Mathews stability diagram method based on laser scanning, BQ, RQDt and crustal stress, and belongs to the field of method improvement of the Mathews stability diagram method. The improved method comprises the following steps of: (1) quick obtaining of three-dimensional laser scanning of a structural plane; (2) structural plane clustering analysis; (3) rock mass quality calculation based on a BQ index; (4) generating and sectioning of a rock mass three-dimensional fracture network model; (5) drawing of an RQDt anisotropy diagram; (6) an optimal threshold t solving method based on BQ inversion; (7) an RQDt anisotropy solving method; (8) a crustal stress measurement method; and (9) an improved method of a Mathews stability diagram method. According to the method, three-dimensional laser scanning, structural plane clustering analysis, a BQ theory, a fracture network model, a generalized RQD theory and a crustal stress measurement method arecombined, solving of the optimal threshold t of RQDt and anisotropy of RQDt is achieved, and method improvement of a Mathews stable diagram method is achieved. The method provided by the invention isclear and is suitable for improving a Mathews stability diagram method.

A spatial RQDt solving method based on photogrammetry and an RQD inversion optimal threshold t belongs to the field of RQDt anisotropy solving, and comprises the following steps of (1) quickly acquiring the digital photogrammetry of a structural plane; (2) drawing a structural plane pole diagram and a trend rose diagram; (3) calculating the rock mass mass based on an RQD index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy graph; (6) carrying out an optimal threshold t solving method based on RQD inversion; and (7) carrying out a spatial RQDt solving method. According to the method, photogrammetry, fuzzy equivalent clustering, an RQD theory, a fracture network model, a generalized RQD theory and a conic curve equation are combined, and the solving of the optimal threshold value t of RQDt and the drawing of an RQDt elliptic curve and an anisotropic ellipsoid under the optimal threshold value t are achieved. The method is clear, the obtained optimal threshold value t, the elliptic curve and the anisotropic ellipsoid can reflect the anisotropic characteristics of the RQDt of the real rock mass, and the method is suitable for solving the spatial anisotropy of the RQDt of the rock mass.

The invention discloses an improved Mathews stability diagram evaluation method based on photogrammetry, BQ and RQDt anisotropy, and belongs to the field of Mathews stability diagram evaluation methods, and the method comprises the following steps: (1) quickly obtaining structural plane digital photogrammetry; (2) performing structural plane fuzzy equivalent clustering analysis; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; (8) performing an improved method of a Mathews stability graph method; and (9) improving a Mathews stability diagram evaluation method. According to the invention, photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model and a generalized RQD theory are combined, and improvedMathews stability graph method mine room stability evaluation considering RQDt anisotropism is achieved. The method is clear and suitable for evaluating the stability of the mine room surrounding rock.

The invention relates to a roadway excavation adverse orientation solving method based on RQD and RQDt, and belongs to the field of roadway excavation orientations, and the method comprises the following steps: (1) making rock mass quality calculation based on RQD indexes; (2) generating and sectioning a rock mass three-dimensional fracture network model; (3) drawing an RQDt anisotropy diagram; (4) arranging an optimal threshold t solving method based on RQD inversion; (5) arranging a space RQDt solving method; and (6)arranging a roadway excavation unfavorable orientation solving method. The RQD theory, the fracture network model, the generalized RQD theory and the conic curve equation are combined, the optimal threshold t of RQDt is solved, the RQDt elliptic curve and the anisotropic ellipsoid are drawn, and the roadway excavation unfavorable orientation under the optimal threshold t is solved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can accurately reflect the RQDt anisotropic characteristics of the rock mass, and the obtained roadway excavation adverse orientation can be used for guiding roadway excavation construction application.

A roadway excavation unfavorable orientation solving method based on laser scanning, RQD and RQDt belongs to the field of roadway excavation orientations, and comprises the following steps: (1) quickly obtaining structural plane three-dimensional laser scanning; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) rock mass quality calculation based on RQD indexes; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) arranging an optimal threshold t solving method based on RQD inversion; (7) arranging a space RQDt solving method; and (8) arranging a roadway excavation unfavorable orientation solving method. The optimal threshold t of the RQDt is solved, the RQDt elliptic curve and the anisotropic ellipsoid are drawn, and the roadway excavation unfavorable orientation under the optimal threshold t is solved. The method is clear, the obtained optimal threshold t, elliptic curve and anisotropic ellipsoid can accurately reflect the RQDt anisotropic characteristics of the rock mass, and the obtained roadway excavation adverse orientation can be used for guiding roadway excavation construction application.

The invention relates to an improved method of a Mathews stability diagram method based on photogrammetry, BQ, RQDt and crustal stress, and belongs to the field of improvement of the Mathews stable diagram method, which comprises the following steps: (1) quickly obtaining structural plane digital photogrammetry; (2) performing structural plane fuzzy equivalent clustering analysis; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) performing an optimalthreshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solving method; (8) performing a crustal stress measurement method; and (9) performing an improved method of a Mathews stability diagram method. According to the invention, photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model, a generalized RQD theory and a crustal stress measurement method are combined, the optimal threshold t of RQDt and anisotropy of RQDt are solved, and method improvement of a Mathews stable graph method is achieved. The method provided by the invention is clearand is suitable for improving a Mathews stability diagram method.

A Q anisotropy solving method based on BQ and RQDt anisotropy belongs to the field of Q anisotropy solving, and comprises the following steps: (1) conducting rock mass quality calculation based on a BQ index; (2) generating and sectioning a rock mass three-dimensional fracture network model; (3) drawing an RQDt anisotropy diagram; (4) conducting an optimal threshold t solving method based on BQ inversion; (5) conducting an RQDt anisotropy solving method; and (6) conducting a Q anisotropy solving method. According to the method, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, solving of the optimal threshold t and anisotropy of RQDt is achieved, solving of Q anisotropy is achieved, and the Q anisotropy solving method based on BQ and RQDt anisotropy is provided. The method is clear, and is suitable for anisotropy solution of the rock mass Q.

The invention discloses an RQDt optimal threshold t solving method based on three-dimensional laser scanning and RQD inversion, and belongs to the field of RQDt optimal threshold t solving, and the method comprises the following steps: (1) quickly obtaining three-dimensional laser scanning of a structural plane; (2) drawing a structural surface pole diagram and an inclined rose diagram; (3) makingrock mass quality calculation based on RQD indexes; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; and (6) arranging an optimal threshold t solving method based on RQD inversion. Three-dimensional laser scanning, an affinity propagation algorithm, an RQD theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t of RQDt is solved, and the RQDt optimal threshold t solving method based on three-dimensional laser scanning and RQD inversion is provided. Themethod is clear, the obtained threshold t can reflect the real rock mass quality, and the method is suitable for solving the optimal threshold t of the rock mass RQDt.

An improved Mathews stability diagram evaluation method based on BQ and RQDt anisotropy belongs to the field of Mathews stability diagram evaluation methods, and comprises the following steps: (1) rock mass quality calculation based on BQ indexes; (2) generating and sectioning of a rock mass three-dimensional fracture network model; (3) drawing of an RQDt anisotropy diagram; (4) an optimal threshold t solving method based on BQ inversion; (5) an RQDt anisotropy solving method; (6) an improved method of a Mathews stability diagram method; and (7) an improved Mathews stability diagram evaluationmethod. According to the method, the BQ theory, the fracture network model, the generalized RQD theory and inversion calculation are combined, the optimal threshold t of the RQDt and the anisotropy of the RQDt are solved, and the improved Mathews stability diagram method mine room stability evaluation considering the anisotropy of the RQDt is achieved. The method is clear and suitable for evaluating the stability of the mine room surrounding rock.

A Q anisotropy solving method based on photogrammetry, BQ and RQDt anisotropy belongs to the field of Q anisotropy solving, and comprises the following steps: (1) quickly acquiring structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) performing rock mass quality calculation based on a BQ index; (4) generating and sectioning a rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) providing an optimal threshold t solving method based on BQ inversion; (7) performing an RQDt anisotropy solvingmethod; and (8) performing a Q anisotropy solving method. Photogrammetry, fuzzy equivalence analysis, a BQ theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t and anisotropy of RQDt are solved, Q anisotropy is solved, and the Q anisotropy solving method based on photogrammetry, BQ and RQDt anisotropy is provided. The method isclear, and is suitable for anisotropy solution of the rock mass Q.

An RQDt anisotropy solving method based on photogrammetry, RQD and an optimal threshold belongs to the field of RQDt anisotropy solving, and comprises the following steps: (1) quickly acquiring structural plane digital photogrammetry; (2) drawing a structural surface pole diagram and a trend rose diagram; (3) making rock mass quality calculation based on RQD indexes; (4) generating and sectioninga rock mass three-dimensional fracture network model; (5) drawing an RQDt anisotropy diagram; (6) arranging an optimal threshold t solving method based on RQD inversion; and (7) arranging an RQDt anisotropy solving method. Photogrammetry, fuzzy equivalent clustering, an RQD theory, a fracture network model, a generalized RQD theory and inversion calculation are combined, the optimal threshold t and anisotropy of RQDt are solved, and the RQDt anisotropy solving method based on photogrammetry, RQD and the optimal threshold is provided. The method is clear, and is suitable for anisotropic solution of rock mass RQDt.