How to Prevent Edge and Corner Damage During UHPC Component Transportation?

Protection against edge and corner damage during the transportation of UHPC components is a systematic project requiring comprehensive control across four stages: "packaging design, loading methods, transport securing, and loading/unloading operations." Based on 28 years of experience, Qinglong Group has developed a sixteen-character protection policy of "customized packaging, scientific loading, flexible securing, and standardized operations." By using specialized protective materials such as PE corner guards, honeycomb cardboard, and custom brackets, combined with strict operating procedures, the transport damage rate is kept below 0.1%. In the Hainan International Convention and Exhibition Center project, 12,000 roof panels traveled more than 3,000 kilometers round trip without a single case of edge or corner damage; meanwhile, the 12-square-meter oversized panel at the Century Plaza on Nanjing East Road of Shanghai New World achieved flawless damage-free transport through a special transport rack and air cushion suspension system. Refined transport protection is the final checkpoint in UHPC component quality assurance.

Customized Packaging Solutions Are the Foundation of Protection

Qinglong tailors packaging solutions to component shapes: flat panel components use "A-frame + EPE foam interlayer" packaging; irregularly shaped components are packaged with foamed polyethylene cast on site; and special vulnerable areas are fitted with steel corner guards. In the transportation of double-curved panels for the Wuhan Han Show Theater, we created dedicated packaging crates for each panel, with internal vacuum adsorption fixing to ensure zero displacement during transport. Although this personalized packaging increases costs, it effectively safeguards component integrity.

The Science of Loading Methods

Loading strictly follows the principle of "large at the bottom, small on top; heavy at the bottom, light on top," with panel components kept vertical at an inclination angle of no more than 15 degrees. Soft wooden dunnage is placed between layers to ensure even pressure distribution. Qinglong has developed modular loading calculation software that automatically optimizes loading plans based on component dimensions, improving vehicle utilization while avoiding mutual compression. In large project transportation, we also employ GPS positioning and vibration monitors to monitor transport conditions in real time.

Technological Innovation in Transport Securing

Traditional rope securing easily causes stress concentration; Qinglong promotes the use of dedicated straps combined with flexible corner guards for even force distribution. For ultra-high-value components, an airbag securing system is adopted, achieving adaptive securing through air pressure adjustment. In cross-border transportation, custom brackets inside containers are also used to ensure absolute safety during ocean shipping.

Standardization of Loading and Unloading Operations

The loading and unloading stage is a high-incidence period for damage. Qinglong requires the use of specialized equipment such as vacuum suction cups to prevent steel wire ropes from directly contacting component edges and corners. Operators must undergo professional training to master UHPC component characteristics. Dedicated stacking areas are set up on construction sites to avoid damage from secondary handling. Through refined whole-process management, every UHPC component is ensured to arrive at the installation site intact.