Research Article

A Novel Method for Evaluating Dredging Productivity Using a Data Envelopment Analysis-Based Technique

Table 3

3 inputs into a single-input-single-output model conversion.

Work dayInputOutput
Hydraulic excavator (SL-330)Hydraulic excavator (320B)Daily trucksConvert into a single-inputDaily dredging (M3)

10.0000.6670.6000.4221668
20.0000.6670.6000.4221683
31.0000.0000.6360.5451701
41.0000.0000.6360.5451702
50.0000.3330.6360.3231700
60.0000.6670.6180.4281696
71.0000.0000.6000.5331665
81.0000.3330.6360.6571701
90.0000.6670.6550.4401716
100.0000.6670.6550.4401720
111.0000.3330.4730.6021706
121.0000.3330.5090.6141717
130.0000.6670.5270.3981729
140.0000.6670.5450.4041737
151.0000.6670.5640.7431747
161.0000.6670.6000.7561759
170.0001.0000.6180.5391770
180.0001.0000.6360.5451782
191.0000.6670.6550.7741792
201.0000.6670.6730.7801798
210.0001.0000.7090.5701826
220.0001.0000.7450.5821855
231.0000.6670.7640.8101871
241.0001.0000.7820.9271895
251.0001.0000.8180.9391925
261.0001.0000.8550.9521950
271.0001.0000.8910.9641985
281.0001.0000.9450.9822041
291.0001.0001.0001.0002093
301.0001.0000.9270.9762089
311.0001.0000.8730.9582083
321.0001.0000.8000.9332076
331.0001.0000.7450.9152067
341.0001.0000.6910.8972058
351.0001.0000.6360.8792047
361.0001.0000.5820.8612036
371.0001.0000.5270.8422024
381.0001.0000.4910.8302012
391.0001.0000.4360.8121999
401.0001.0000.4000.8001986
411.0001.0000.3640.7881973
421.0001.0000.3270.7761959
431.0001.0000.2910.7641946
441.0001.0000.2550.7521932
451.0001.0000.2360.7451918
461.0001.0000.2000.7331905
471.0001.0000.1640.7211891
481.0001.0000.1450.7151877
491.0001.0000.1090.7031863
501.0001.0000.0910.6971850
511.0001.0000.0550.6851836
521.0001.0000.0360.6791823
531.0001.0000.0180.6731809
541.0001.0000.0000.6671796