Membership function for CBRs and CBRGs
| No | CBRs and PCBRs | Weightings for CBRs | MF of the CBRs (level 2) | MF of CBRGs (level 1) | Criticality index | Ranking |
|---|---|---|---|---|---|---|
| CBRG1 | Systematic and institutional barriers | (0.009, 0.024, 0.227, 0.322, 0.418) | 4.116 | 3 | ||
| CBR34 | Contract management constraints | 0.170288424 | (0.021, 0.052, 0.188, 0.469, 0.271) | |||
| CBR35 | Transition risks | 0.145397076 | (0.000, 0.010, 0.354, 0.365, 0.271) | |||
| CBR1 | Cost of reclaimed construction materials | 0.140655867 | (0.000, 0.000, 0.490, 0.469, 0.042) | |||
| CBR21 | Absence of sustainable CE cultural practice | 0.133939154 | (0.000, 0.000, 0.042, 0.042, 0.917) | |||
| CBR31 | Poorly managed end-life of projects | 0.131173449 | (0.031, 0.042, 0.250, 0.375, 0.302) | |||
| CBR13 | Poor management of construction, demolition and wastes | 0.123271434 | (0.000, 0.000, 0.115, 0.292, 0.594) | |||
| CBR16 | Insufficient government support | 0.155274595 | (0.010, 0.052, 0.146, 0.208, 0.583) | |||
| CBRG2 | Attitudinal barriers | (0.015, 0.042, 0.242, 0.336, 0364) | 3.989 | 5 | ||
| CBR24 | Lack of leadership towards to CE | 0.203975799 | (0.000, 0.146, 0.510, 0.313, 0.031) | |||
| CBR29 | Stakeholders not getting involved | 0.184961106 | (0.000, 0.000, 0.250, 0.354, 0.396) | |||
| CBR8 | Clients not ready to pay extra | 0.166378565 | (0.000, 0.000, 0.125, 0.417, 0.458) | |||
| CBR19 | Inadequate skill set on circular economy | 0.156439067 | (0.021, 0.042, 0.417, 0.208, 0.313) | |||
| CBR18 | Poor knowledge and awareness | 0.147363872 | (0.010, 0.000, 0.042, 0.313, 0.635) | |||
| CBR32 | Resistance to change | 0.14088159 | (0.073, 0.042, 0.000, 0.417, 0.469) | |||
| CBRG3 | Financial constraints and cost pressures | (0.002, 0.028, 0.141, 0.471, 0.357) | 4.15 | 2 | ||
| CBR11 | Inaccuracies in cost estimation | 0.221553885 | (0.000, 0.000, 0.000, 0.729, 0.271) | |||
| CBR7 | Cost of disposing of wastes | 0.211027569 | (0.010, 0.010, 0.010, 0.313, 0.552) | |||
| CBR6 | Expensive virgin material costs | 0.209022556 | (0.000, 0.000, 0.000, 0.469, 0.073) | |||
| CBR4 | Hiring costs of construction workers | 0.195488722 | (0.000, 0.000, 0.000, 0.313, 0.479) | |||
| CBR9 | Rising insurance costs | 0.162907268 | (0.000, 0.000, 0.000, 0.521, 0.438) | |||
| CBRG4 | Governance and regulatory barriers | (0.005, 0.040, 0.067, 0.253, 0.634) | 4.478 | 1 | ||
| CBR2 | Complex circular design and architecture | 0.275720165 | (0.000, 0.000, 0.031, 0.417, 0.552) | |||
| CBR14 | Lack of industry standards | 0.257495591 | (0.021, 0.021, 0.208, 0.313, 0.302) | |||
| CBR15 | Lack of national regulatory framework | 0.243974133 | (0.000, 0.000, 0.021, 0.208, 0.771) | |||
| CBR17 | No common international policies | 0.222810112 | (0.000, 0.000, 0.000, 0.031, 0.969) | |||
| CBRG5 | Digital innovation and knowledge barriers | (0.027, 0.023, 0.208, 0.370, 0.373) | 4.042 | 4 | ||
| CBR28 | Lack of transparency and information sharing | 0.369018654 | (0.000, 0.000, 0.313, 0.417, 0.217) | |||
| CBR27 | Dominance of traditional construction techniques | 0.329278183 | (0.083, 0.021, 0.281, 0.417, 0.198) | |||
| CBR25 | Lack of technologies on CE management | 0.301703163 | (0.000, 0.052, 0.000, 0.260, 0.688) |
| No | CBRs and PCBRs | Weightings for CBRs | MF of the CBRs (level 2) | MF of CBRGs (level 1) | Criticality index | Ranking |
|---|---|---|---|---|---|---|
| (0.009, 0.024, 0.227, 0.322, 0.418) | 4.116 | 3 | ||||
| CBR34 | Contract management constraints | 0.170288424 | (0.021, 0.052, 0.188, 0.469, 0.271) | |||
| CBR35 | Transition risks | 0.145397076 | (0.000, 0.010, 0.354, 0.365, 0.271) | |||
| CBR1 | Cost of reclaimed construction materials | 0.140655867 | (0.000, 0.000, 0.490, 0.469, 0.042) | |||
| CBR21 | Absence of sustainable CE cultural practice | 0.133939154 | (0.000, 0.000, 0.042, 0.042, 0.917) | |||
| CBR31 | Poorly managed end-life of projects | 0.131173449 | (0.031, 0.042, 0.250, 0.375, 0.302) | |||
| CBR13 | Poor management of construction, demolition and wastes | 0.123271434 | (0.000, 0.000, 0.115, 0.292, 0.594) | |||
| CBR16 | Insufficient government support | 0.155274595 | (0.010, 0.052, 0.146, 0.208, 0.583) | |||
| (0.015, 0.042, 0.242, 0.336, 0364) | 3.989 | 5 | ||||
| CBR24 | Lack of leadership towards to CE | 0.203975799 | (0.000, 0.146, 0.510, 0.313, 0.031) | |||
| CBR29 | Stakeholders not getting involved | 0.184961106 | (0.000, 0.000, 0.250, 0.354, 0.396) | |||
| CBR8 | Clients not ready to pay extra | 0.166378565 | (0.000, 0.000, 0.125, 0.417, 0.458) | |||
| CBR19 | Inadequate skill set on circular economy | 0.156439067 | (0.021, 0.042, 0.417, 0.208, 0.313) | |||
| CBR18 | Poor knowledge and awareness | 0.147363872 | (0.010, 0.000, 0.042, 0.313, 0.635) | |||
| CBR32 | Resistance to change | 0.14088159 | (0.073, 0.042, 0.000, 0.417, 0.469) | |||
| (0.002, 0.028, 0.141, 0.471, 0.357) | 4.15 | 2 | ||||
| CBR11 | Inaccuracies in cost estimation | 0.221553885 | (0.000, 0.000, 0.000, 0.729, 0.271) | |||
| CBR7 | Cost of disposing of wastes | 0.211027569 | (0.010, 0.010, 0.010, 0.313, 0.552) | |||
| CBR6 | Expensive virgin material costs | 0.209022556 | (0.000, 0.000, 0.000, 0.469, 0.073) | |||
| CBR4 | Hiring costs of construction workers | 0.195488722 | (0.000, 0.000, 0.000, 0.313, 0.479) | |||
| CBR9 | Rising insurance costs | 0.162907268 | (0.000, 0.000, 0.000, 0.521, 0.438) | |||
| (0.005, 0.040, 0.067, 0.253, 0.634) | 4.478 | 1 | ||||
| CBR2 | Complex circular design and architecture | 0.275720165 | (0.000, 0.000, 0.031, 0.417, 0.552) | |||
| CBR14 | Lack of industry standards | 0.257495591 | (0.021, 0.021, 0.208, 0.313, 0.302) | |||
| CBR15 | Lack of national regulatory framework | 0.243974133 | (0.000, 0.000, 0.021, 0.208, 0.771) | |||
| CBR17 | No common international policies | 0.222810112 | (0.000, 0.000, 0.000, 0.031, 0.969) | |||
| (0.027, 0.023, 0.208, 0.370, 0.373) | 4.042 | 4 | ||||
| CBR28 | Lack of transparency and information sharing | 0.369018654 | (0.000, 0.000, 0.313, 0.417, 0.217) | |||
| CBR27 | Dominance of traditional construction techniques | 0.329278183 | (0.083, 0.021, 0.281, 0.417, 0.198) | |||
| CBR25 | Lack of technologies on CE management | 0.301703163 | (0.000, 0.052, 0.000, 0.260, 0.688) |
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