On October 22, the 8th National Academic Forum on New Technologies for Slope Safety Protection and Ecological Restoration was held in Chongqing. The forum was co-hosted by Southwest Jiaotong University, the Road Engineering Branch of the China Highway & Transportation Society, and others, bringing together more than 300 experts and scholars from fields such as geotechnical engineering and geological disaster prevention and control.

　　During the conference, industry authorities including Pan Jiangyang, Deputy General Manager and Chief Engineer of PowerChina Zhongnan Engineering Corporation Limited, and Jiang Shuping, National Engineering Survey and Design Ｍaster, successively visited the OST booth, where they closely observed the digital sandbox system and the full-process service model, and spoke highly of them.

　　(Pan Jiangyang, Deputy General Manager and Chief Engineer of PowerChina Zhongnan Engineering Corporation Limited)

　　(Jiang Shuping, National Engineering Survey and Design Ｍaster)

　　Lü Wenjing, General Manager of Sichuan OST Slope Protection Engineering Co., Ltd., was invited to attend the forum and delivered a keynote report, presenting OST's professional solutions to industry pain points and cutting-edge technologies.

　　01 Breaking Through Industry Challenges: How Can Slope Protection Engineering Quality Achieve "Inspection First, Market Second"?

　　The industry still faces issues such as falsified reports and cutting corners, which have caused some protection projects to fall short of expectations. Addressing the pain point of "how to conduct acceptance inspection for engineering quality," Lü Wenjing clearly stated at the conference that the key to implementing standards lies in the acceptance inspection process.

　　OST's approach to breaking through this challenge is "inspection first, market second." This year, OST assisted the Nanning Railway Bureau in implementing three on-site acceptance inspection standards, and drawing on the mature mechanism of "owner-led acceptance inspection" from the Hong Kong Civil Engineering and Development Department, it has integrated inspection throughout the entire process—from testing reports and product entry to construction and completion—driving the industry to form a rigid closed loop.

　　02 Debris Flow Protection: How to Solve the Challenge of Blockage Caused by High-Level Hidden Debris Flows?

　　Affected by the northward shift of rainfall belts, debris flows are changing from rare disasters to high-frequency disasters. In particular, high-level hidden debris flows along transportation routes are highly prone to blocking flood discharge channels, causing water to overflow onto roads.

　　Solution: Let water pass while blocking rocks. OST's flexible debris flow barriers are lightweight and fast to install. The core logic is to "let water pass while intercepting large foreign objects," ensuring unimpeded flood discharge.

　　Standard Initiative: In response to the current gap in China regarding verification standards for flexible debris flow barriers, Lü Wenjing called at the conference for promptly benchmarking against the foreign EAD standards and, grounded in China's disaster prevention practices, establishing design methods and product acceptance standards for debris flow barriers.

　　· Can ordinary passive protection nets be used?

　　Conclusion: Absolutely not.

　　Avalanches involve large-volume, high-frequency continuous impacts. About 70% of the energy absorption of traditional passive nets relies on energy-dissipating components. Once these components are activated, only 30% of the energy level remains, which is simply unable to cope with the successive avalanche impacts.

　　· Solution: Three-zone prevention and control. Based on the common mechanism of "energy absorption and dissipation" of flexible nets, OST has finalized its series of snow stabilization nets and snow interception nets:

　　Formation zone: Deploy snow stabilization nets to suppress avalanche occurrence;

　　Transport zone: Adopt snow diversion measures to redirect the flow away from protected points;

　　Deposition zone: Deploy snow interception nets to intercept the avalanche body.

　　· 04 High and Steep Rockfall: How to Prevent Rockfall in Places Inaccessible to Personnel?

　　When dealing with high-level, high-energy hazardous rocks, manual removal and traditional anchoring often involve extremely high construction safety risks.

　　· Solution: Control, guidance, and energy dissipation. Taking the Lixiang Railway Hutiaoxia Jinsha River Railway Bridge project as an example, in response to the challenges of steep and high mountains and the high risk of on-site manual surveys, OST, in collaboration with China Railway Eryuan Engineering Group, used UAV aerial surveying and 3D rockfall trajectory analysis software to accurately obtain key parameters such as rockfall trajectories and bounce heights.

　　· Project implementation: The project innovatively adopted a new curtain-type protection system consisting of "piles + main cables + nets." The lower net body of the system is not anchored to the mountain, achieving interception and guidance through the principle of "overcoming hardness with softness." Its protection energy level reaches 12,000 kJ, more than five times that of ordinary protection nets, successfully breaking through the maximum energy level of traditional structures and building an ultra-high-energy safety barrier for the railway bridge.

　　05 Booth Highlights: From a Single Product to a "Full-Process Slope Safety Service Provider"

　　"Qualified materials do not equal qualified structures, and qualified structures do not equal satisfactory application results."

　　Based on this deep understanding, OST has formally established its positioning as a "Full-Process Slope Safety Service Provider." Its services cover eight stages: dangerous rock and rockfall analysis and assessment, customized protection solution design, product research and production, product testing and inspection, engineering construction and installation, intelligent monitoring, suitability evaluation, and maintenance and operation.

　　At the booth, the 3D digital sandbox system attracted many representatives who stopped to observe. Through dynamic perspectives, the sandbox intuitively recreated disaster scenarios and protection engineering layouts for hydropower stations and highway slopes, making complex protection principles clear at a glance.

　　From product manufacturing to full-process services, OST has always upheld its commitment: Care for Life, Safeguard Safety.

　　OST Slope Protection | Full-Process Slope Safety Service Provider