This document introduces the INGEONAIL system, a temporary retaining structure solution designed for urban excavations, slope stabilization, and other geotechnical applications. The system uses shotcrete, electrowelded mesh, and self-drilling anchors injected during installation to create a flexible, efficient, and safe method for supporting excavations. INGEONAIL offers numerous advantages, including adaptability to construction schedules, rapid execution, and the ability to simultaneously perform excavation and support. The document also discusses the calculation and design principles underlying the system, as well as its application in various scenarios.
Technical Relevance #
This document is highly relevant for geotechnical engineers, construction managers, and urban planners involved in the design and implementation of excavation support systems. INGEONAIL’s approach to temporary retaining structures provides a practical solution for projects requiring fast, flexible, and secure excavation methods, especially in urban environments where space is limited and adjacent structures must be protected.
Target Audience #
The document is intended for geotechnical engineers, civil engineers, construction professionals, and urban developers who are involved in excavation projects, particularly in areas where traditional retaining methods may be less effective or too time-consuming. It is also valuable for researchers and students studying advanced techniques in slope stabilization and excavation support.
Software and Methodology #
The design of the INGEONAIL system is based on the use of advanced calculation programs that model the terrain, geometry, existing loads, and construction phases. The methodology includes creating geotechnical models that incorporate various reinforcement elements, such as anchors and shotcrete, to ensure the stability and safety of the excavation. The design process also involves checking external and internal stability, overturning, deep sliding, and settlement to meet the required safety factors.
Process Description #
The execution of the INGEONAIL system involves a phased approach, where excavation and support occur simultaneously. The process starts with the initial excavation phase, followed by the application of shotcrete, installation of electrowelded mesh, and the drilling and injection of self-drilling anchors. The anchors are tensioned 24 hours after injection to stabilize the excavation. This cycle repeats until the desired excavation depth is achieved. The document also provides examples of the system’s application in urban settings, including the stabilization of slopes, support for adjacent structures, and the containment of road and railway embankments.
Main Findings #
The study concludes that the INGEONAIL system offers significant advantages over traditional retaining methods, particularly in terms of speed, flexibility, and space efficiency. The system’s ability to perform excavation and support simultaneously reduces construction time and costs while enhancing safety. Additionally, the use of self-drilling anchors and shotcrete allows for effective stabilization of slopes and excavations, even in challenging geotechnical conditions.
Practical Applications #
The insights from this document are directly applicable to a wide range of geotechnical projects, including urban excavations, slope stabilization, and infrastructure development. Engineers and construction managers can use the INGEONAIL system to improve the efficiency and safety of their projects, particularly in scenarios where space is limited, and adjacent structures require protection from excavation-induced movements.
Limitations and Considerations #
The document acknowledges that the effectiveness of the INGEONAIL system depends on accurate geotechnical data and careful execution. While the system is highly adaptable, its success relies on precise design and monitoring to ensure stability throughout the construction process. Engineers should consider site-specific conditions and conduct thorough analyses to determine the suitability of the INGEONAIL system for their projects.
Conclusions #
The paper concludes that the INGEONAIL system is an effective and economical solution for temporary retaining structures in urban excavations and slope stabilization projects. Its combination of speed, flexibility, and safety makes it a valuable tool for geotechnical engineers facing the challenges of modern construction. The system’s ability to integrate excavation and support into a single, streamlined process offers significant benefits in terms of time and cost savings, while also ensuring the stability and safety of the worksite.
Related Resources #
Further reading includes case studies on the application of the INGEONAIL system in different geotechnical scenarios, as well as research on advanced soil reinforcement techniques. Additional resources on the design and implementation of temporary retaining structures can provide deeper insights into optimizing excavation and slope stabilization projects.
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