In construction, shoring provides crucial support to structures, preventing collapses during excavations, renovations, or repairs. These systems allow construction crews to work safely while preserving the stability of existing structures. Shoring can be either permanent or temporary, depending on the project’s specific needs. In this article, we’ll explore the key differences between permanent and temporary shoring, highlighting their roles, applications, and unique characteristics in construction projects.

Permanent Shoring – Built to Last

Permanent shoring is designed to provide long-lasting support to structures. It often becomes a key part of the finished building, contributing to its overall stability and strength. This type of shoring is typically used in situations where a structure requires continuous support.

The materials used in permanent shoring are strong and durable like cement and steel. Materials and methods are chosen to withstand the test of time, ensuring the safety of the structure and its occupants.

Permanent shoring can be used in constructing basements or permanent retaining walls like on waterfronts, the sides of highways or to stop active landslides. Permanent shoring helps maintain the stability of an area. It is also used in bridge construction, where continuous support is crucial.

Temporary Shoring – Short-Term Solutions for Long-Term Gains

Modera University Temporary Shoring System

Temporary shoring, as the name suggests, provides provisional support during specific phases of construction. It is used to stabilize structures until permanent features are completed. This type of shoring is essential for ensuring safety during the construction process.

Materials used for temporary shoring are often the same as those used in permanent shoring but may also include wood and aluminum which are lightweight and may offer more flexibility and adaptability.

Temporary shoring is commonly used in earth retention projects that involve excavation and underpinning. They may also be constructed to allow access to construct a permanent earth retention solution. Temporary shoring prevents soil collapse, protecting workers and the surrounding environment.

Key Differences Between Permanent and Temporary Shoring

Understanding the differences between permanent and temporary shoring is important for making informed decisions in construction projects. One of the primary differences lies in the duration of support. Permanent shoring is designed for long-term stability, ensuring the safety of structures for years to come. While temporary shoring is designed to provide support for structures only during specific phases of construction.

Cost considerations also come into play when choosing between permanent and temporary shoring. Permanent shoring, while providing long-term support, can be more expensive due to the materials and labor involved. Temporary shoring, being a short-term solution, is often more cost-effective. However, the choice between the two ultimately depends on the project’s unique requirements and long-term goals.

Safety Involved in Shoring Projects

Safety is the priority of every construction project, and shoring plays a key role in maintaining it. Meeting safety regulations and compliance standards is crucial to protecting workers and ensuring project success. Both permanent and temporary shoring systems require careful planning and precise execution to align with these standards.

Project managers and engineers must conduct comprehensive risk assessments and implement safety measures to reduce potential hazards. Regular inspections and maintenance of shoring systems are also vital to promptly identify and address any issues, ensuring ongoing safety throughout the project.

New Trends and Innovations in Shoring

The construction industry is constantly evolving, and so are shoring techniques. New technologies and practices are reshaping the way shoring systems are designed and constructed, offering new opportunities for efficiency and innovation. One new advancement is the integration of digital modeling and simulation, allowing project managers to visualize and improve a shoring system’s design before the installation.

Innovations can also be found in the materials and methods used to build shoring systems. Schnabel is exploring lightweight alternatives to traditional materials, improving efficiency. These advancements are improving the way shoring systems are designed and constructed.

Real-World Applications – Case Studies in Shoring

Exploring real-world construction projects that successfully employ permanent or temporary shoring provides valuable insights into their effectiveness and the decision-making process behind their selection. For instance, in a recent Schnabel project in Atlanta, GA, a permanent shoring system with multiple shotcrete foundation walls was installed to support an underground parking garage beneath a mixed-use site. The use of reinforced shotcrete ensured lasting stability, allowing the general contractor to proceed with confidence. Read more about this project here.

Shotcrete

In contrast, a large-scale project in Reston, VA, utilized a temporary shoring system to support the construction of five-level underground parking garages. Lightweight timber lagging boards and temporary tiebacks were quickly installed and removed, enabling efficient and safe progress. Read more about this project here.

Soldier Piles & Lagging

These examples show how shoring techniques are selected and customized to meet each project’s unique demands.

Conclusion

Permanent and temporary shoring systems each provide unique benefits to meet specific project needs. As a top design/build contractor, Schnabel offers a comprehensive range of solutions for both types of shoring systems. With over 65 years of experience delivering dependable excavation shoring systems to the construction industry, Schnabel is equipped to handle even the most challenging projects.