Research Article

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

Table 2

Daily dredging productivity by the traditional dredging productivity method.

Work dayInputOutputOutput/Input
Convert to single inputDaily dredging (M3)Daily dredging productivity

10.42216683950.526
20.42216833986.053
30.54517013118.500
40.54517023120.333
50.32317005259.375
60.42816963960.000
70.53316653121.875
80.65717012590.754
90.44017163896.422
100.44017203905.505
110.60217062833.792
120.61417172795.773
130.39817294344.442
140.40417374299.075
150.74317472349.905
160.75617592328.088
170.53917703281.461
180.54517823267.000
190.77417922316.031
200.78017982305.725
210.57018263205.213
220.58218553188.281
230.81018712309.589
240.92718952043.627
250.93919252049.194
260.95219502049.363
270.96419852059.906
280.98220412078.796
291.00020932093.000
300.97620892140.901
310.95820832175.285
320.93320762224.286
330.91520672258.642
340.89720582294.392
350.87920472329.345
360.86120362365.775
370.84220242402.590
380.83020122423.212
390.81219992461.455
400.80019862482.500
410.78819732504.192
420.77619592525.273
430.76419462548.333
440.75219322570.806
450.74519182572.927
460.73319052597.727
470.72118912621.975
480.71518772624.619
490.70318632649.957
500.69718502654.348
510.68518362680.885
520.67918232685.670
530.67318092689.054
540.66717962694.000