| 1 | Recycled and Secondary Materials and Use |
| 2 | Use of Quarry Fines |
| 3 | Fresh Concrete, Engineering and Durability Performance |
| 4 | Performance- Based Specifications |
| 5 | Environment Impact and Sustainable Development |
| 6 | CO2 Life Cycles Assessment/Analysis |
| 7 | Case Studies, Future Development and Trends |
| 8 | Others |