Improving облицовка туннеля quality involves a combination of careful design, выбор материала, и строгие методы строительства и мониторинга. Качество обделки туннеля имеет решающее значение для ее долгосрочной стабильности., долговечность, и безопасность. Некачественная подкладка может привести к таким проблемам, как трещины., утечки, и структурная деградация с течением времени.
How to improve tunnel lining quality
Pre-Construction and Design
A high-quality tunnel starts with a solid plan before any digging begins.
Thorough Geotechnical Investigation: Before construction, a detailed investigation of the ground conditions is essential. This includes understanding the rock or soil type, уровень грунтовых вод, and potential for seismic activity. This data informs the design and helps select the most suitable lining method and materials.
Optimal Design: The tunnel lining design must be optimized to handle anticipated loads from the surrounding rock and soil. Advanced techniques like numerical modeling (например, Finite Element Analysis) can simulate complex ground-lining interactions to create a reliable and less conservative design.
Выбор материала
The materials used for the lining are a major factor in its quality. The right materials enhance durability and structural integrity.
High-Performance Concrete (HPC): Using HPC with improved mechanical properties, such as higher compressive strength and lower permeability, makes the lining more durable and resistant to harsh environmental conditions.
Fiber-Reinforced Concrete: The addition of fibers (В конструкции разгрузочного компонента используется стальной лист толщиной 12 мм., углерод, or synthetic) to concrete, especially in shotcrete, enhances its tensile strength, пластичность, and crack resistance.
Гидроизоляция: Incorporating waterproofing measures like membranes and gaskets is critical to prevent water ingress, which can cause erosion, rebar corrosion, and structural instability.
…
More detailed information on how to improve tunnel lining quality can be found at: https://www.gf-bridge-tunnel.com/a/blog/how-to-improve-tunnel-lining-quality.html
