Skip to main content
. 2023 Apr 5;30(21):59925–59962. doi: 10.1007/s11356-023-26361-2

Table 16.

Data of the projects in the case study

Project Plan Num Activity Duration (days) Quality Predecessor
Mode 1 Mode 2 Mode 3 Mode 4 Mode 1 Mode 2 Mode 3 Mode 4
2nd part of trackbed construction Initial activities 1 Start 0
Equipping process 2 Ground provision and workshop equipment 100 140 0.90 0.76 1
Land preparation 3 Landscaping and building the access road 13 1 2
Earthwork operations (km 21–30) 4 Clearing the land 100 125 150 175 0.72 1 0.79 0.83 2, 3
5 Route embankment 113 137 169 172 0.73 0.80 0.83 0.62 3, 4
6 Route consolidation 95 130 146 177 0.80 0.81 0.71 0.77 5
7 Route excavation 122 195 274 326 0.87 0.90 0.65 0.87 3
Construction of bridge No. 1 (at km 28) 8 Map approval 1 1 2, 6, 7
9 Surveying and map controlling 1 1 8
10 Digging up process 5 1 9
11 Reinforcement process 26 38 46 63 0.90 0.83 0.62 0.84 10
12 Concrete Shuttering 36 45 68 81 0.80 0.94 0.82 0.74 11
13 Formwork operations 30 39 55 75 0.81 0.72 0.90 1 12
14 Backfilling process 1 1 13
Finishing activities 15 Cleaning up the workshop 10 20 30 40 0.74 0.88 0.93 0.95 2, 3, 6, 7, 14
16 Finish 0 15
8th part of trackbed construction Initial activities 1 Start 0
Equipping process 2 Ground provision and workshop equipment 100 140 0.90 0.76 1
Land preparation 3 Landscaping and building the access road 13 1 2
Earthwork operations (km 123–132) 4 Clearing the land 100 125 150 175 0.72 1 0.79 0.83 2, 3
5 Route embankment 113 137 169 172 0.73 0.80 0.83 0.62 3, 4
6 Route consolidation 95 130 146 177 0.80 0.81 0.71 0.77 5
7 Route excavation 122 195 274 326 0.87 0.90 0.65 0.87 3
Construction of Bridge No. 1 (at km 127) 8 Map approval 1 1 2, 6, 7
9 Surveying and map controlling 1 1 8
10 Digging up process 5 1 9
11 Reinforcement process 26 38 46 63 0.90 0.83 0.62 0.84 10
12 Concrete Shuttering 36 45 68 81 0.80 0.94 0.82 0.74 11
13 Formwork operations 30 39 55 75 0.81 0.72 0.90 1 12
14 Backfilling process 1 1 13
Construction of bridge No. 2 (at km 130) 15 Map approval 1 1 2, 6, 7, 14
16 Surveying and map controlling 1 1 15
17 Digging up process 5 1 16
18 Reinforcement process 23 33 44 60 0.90 0.82 0.74 0.93 17
19 Concrete Shuttering 34 45 62 77 0.81 0.86 0.79 0.62 18
20 Formwork operations 27 36 52 71 0.81 0.72 0.90 1 19
21 Backfilling process 1 1 20
Finishing activities 22 Cleaning up the workshop 10 20 30 40 0.74 0.88 0.93 0.95 2, 3, 6, 7, 21
23 Finish 0 22