This paper discusses temporary works in underground metro projects and structures in elevated metro projects, authored by Er. Swarup Maiti and Vivek Abhyankar from Gulermak India. Metro rail projects are complex infrastructure developments that require meticulous planning, execution, and safety measures.
One of the most critical aspects of metro construction is temporary works, which play a crucial role in facilitating the smooth and safe execution of permanent Platforms used by workers for access and safety at elevated construction sites structures. Temporary works refer to short-term engineering solutions used to support, stabilize, and enable various construction activities.
What Are Temporary Works?
Temporary works encompass all non-permanent structures, installations, and Supports used to mold and hold concrete structures until they gain sufficient strength. modifications used during construction. These elements are removed or repurposed once their intended function is complete include.
- Shoring and Propping: Temporary supports that stabilize deep excavations, tunnels, and Supports excavations, bridges, tunnels, and viaducts, preventing collapses Employed to Provides secure access, ensuring compliance with health and safety regulations manage groundwater in excavation zones underground structures Used for site access, material transport, and worker movement.
Project Efficiency: Facilitates seamless workflow, reducing delays and rework Minimizes risk of damage to permanent structures, avoiding costly repairs Limited space in urban metro projects necessitates innovative solutions Choosing the right materials impacts cost, durability, and sustainability Temporary works must be engineered to handle dynamic loads and environmental condition.
Temporary works are indispensable in metro rail projects, ensuring safe, efficient, and timely construction. Their proper planning and execution contribute significantly to the success of modern urban transit infrastructure Temporary works refer to the short-term structures and supports required during construction They include.
Metro rail projects are among the most complex infrastructure developments in urban areas. They involve intricate planning, engineering, and execution to ensure seamless transportation solutions. One crucial aspect that facilitates their construction is temporary works—non-permanent structures and installations that aid in the safe and efficient building of permanent metro infrastructure.
While these works are removed or repurposed after completion, they play a vital role in ensuring construction stability, safety, and cost-effectiveness Used to support concrete structures until they gain sufficient strength Enable workers to access elevated sections of metro stations, viaducts, or tunnels.
What Are Temporary Works?
- Shoring and Propping – Temporary supports for deep excavations and underground metro tunnels Used to remove groundwater from excavation areas to ensure stability Facilitate material transport and workforce movement Manage road congestion and public safety during construction Temporary works are fundamental in ensuring the stability and feasibility of metro construction projects key benefits include.
1. Structural Safety and Stability
Metro rail projects involve deep excavations, underground tunnels, elevated tracks, and bridges. Temporary works, such as shoring systems, provide essential support to prevent structural failures, collapses, or cave-ins during construction.
2. Enhancing Workforce Safety
Construction workers operate in high-risk environments. Temporary works like scaffolding, secured access platforms, and safety barricades provide necessary protection, reducing accidents and ensuring compliance with safety regulations.
3. Improving Project Efficiency
Well-planned temporary works streamline the construction process by facilitating seamless execution. For example, efficient falsework and formwork systems ensure that concrete structures can be built without unnecessary delays. Similarly, temporary access roads and bridges help in material transportation, minimizing interruptions.
Challenges in Implementing Temporary Works
Despite their benefits, temporary works present several challenges in metro rail construction They must be tailored to each project’s unique conditions, such as soil type, urban constraints, and load-bearing requirements cities where space for temporary works is restricted, requiring innovative engineering solutions.
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