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Based on similarity theory, the similitude ratio of model test was confirmed. The similar material was selected and the physicalmodel of soil nailing wall for the experiment was built according to similitude ratio . The reasonable testing system, loading system, rainfall system and testing procedure were designed. The date of the horizontal displacement of soil nailing wall top, axial force of soil...
The cost performance evaluation system used in all coal enterprises generally emphasizes the financial indexes and neglects non-financial indexes. Many problems such as one-sidedness, hysteresis quality nature and short-term nature were found in the system. Herein, the Activity-Based Costing performance evaluation system based on the balanced scorecard is put forward. Coal enterprises can be divided...
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