建筑业的未来（英文版）_21页_16mb

Summary of "The Future of Construction"

Core Content

The document explores the future of construction through case studies, innovations, and insights from industry leaders, emphasizing the integration of technology, safety, and collaboration to enhance efficiency, reduce costs, and improve sustainability.

Main Points

1. One World Trade Center: A Landmark of Innovation

• One World Trade Center is a symbol of strength and engineering excellence, representing the tallest building in the Western Hemisphere.
• The project used 14,000 psi concrete, which is twice as strong as typical high-rise concrete.
• This high-strength concrete was developed through extensive testing in the Port Authority’s Materials Engineering Unit.
• The steel-first construction method was pioneered, which allows for faster construction by building the steel frame first and then the core.
• This method reduced the construction schedule by three months and improved safety by separating concrete and steel workers.
• A safety cocoon system was implemented, providing continuous protection during construction. It is now common in high-rise projects, though manual "jumping" of the cocoon remains a challenge.
• AECOM Tishman is exploring self-climbing cocoons to reduce labor and time in the climbing process.

2. One Model Future of Construction

• The construction industry is increasingly fragmented, with various technologies and systems operating independently.
• Allan Paull, senior vice president at AECOM Tishman, envisions a "One Model" future where all stakeholders are connected through a single, integrated platform.
• The use of Tekla Models connected to the cloud allows for real-time collaboration and updates, streamlining the steel fabrication process.
• This approach was successfully applied to One Manhattan West, reducing the time from contract award to field erection to just eight months.
• The OneDesign process enables early coordination of MEP systems with structural steel, reducing costly field changes and improving efficiency.

3. Bridging the Skills Gap: Training the Next Generation

• The construction industry faces a skills gap, with a lack of qualified professionals and a need to attract younger talent.
• Mike Mennella and Isabella Franks highlight the importance of engagement, partnership, and trust in construction projects.
• Young professionals are better suited to adopt new technologies and drive innovation, but they need guidance and mentorship.
• AECOM encourages innovative collaboration and offers resources for employees to explore new technologies such as BIM, laser scanning, 3D printing, and virtual reality.

4. Repositioning the Past for a Better Future

• Building repositioning is becoming a major trend, especially in urban areas like Midtown East in New York City.
• The new zoning laws in Midtown East allow for revitalization of existing buildings, reducing the need for new ground-up construction.
• Repositioning can be fifty percent less expensive, twice as fast to complete, and offers a higher return on investment due to lower operating costs and tax incentives.
• AECOM has developed X-Closure, a patent-pending temporary wall system that is lightweight, reusable, and efficient, suitable for use in occupied buildings.
• X-Closure helps protect tenant spaces and building infrastructure during construction, reducing dust, noise, and time spent on temporary barriers.

5. Building Dense: AECOM Builds Smart

• With 68% of the global population expected to live in cities by 2050, urban construction is set to evolve significantly.
• Building taller is one solution to accommodate urban growth, supported by new regulations and laws in many cities.
• AECOM is leading the way in smart construction for dense environments, using innovative methods and technologies to ensure safety and efficiency.
• The steel-first method and safety cocoon systems are key innovations in this context.

Key Information

• One World Trade Center stands at 1,776 feet with 104 floors and 3.5 million square feet of space.
• It uses 45,000 tons of structural steel and 200,000 cubic yards of concrete.
• OneDesign and Tekla Models are tools that enhance collaboration and reduce construction delays.
• X-Closure is a modular, reusable temporary wall system that improves safety and efficiency in occupied building renovations.
• Steel-first construction and self-climbing cocoons are both innovations that save time, reduce costs, and improve safety.
• The construction industry is moving towards a more integrated and collaborative future, driven by digital technologies and a focus on sustainability and efficiency.

Conclusion

The document outlines a future where construction is more connected, efficient, and sustainable. It highlights AECOM's role in pioneering new methods and technologies that are shaping the industry. From high-strength concrete and steel-first construction to cloud-based models and innovative repositioning strategies, the construction sector is evolving to meet the challenges of urban growth and technological advancement.