Subgrading method for surrounding rock of soft rock tunnel

The invention discloses a subgrade grading method for surrounding rock of a soft rock tunnel. The subgrade grading method comprises the following steps: grading index determination and grade division; calculating a digital characteristic value of each grading index; employing MATLAB to generate a co...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU JUNFENG, WAN SHANTONG, YAN XIN, LIANG HUIRU, PENG HAO, WANG YONGDONG, LIU XIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC DIGITAL DATA PROCESSING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TESTING
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