Super-Large GRC Shaping Hoisting Plan: Core Considerations for Safety and Efficiency

The hoisting of super-large GRC shapes is a critical link in building construction, requiring both the structural safety of components during transport and installation, and precise positioning with efficient construction. As large components often spanning thousands of square meters with individual weights exceeding one ton, the scientific rigor of their hoisting plans directly determines a project's schedule, safety, and quality.

As architectural decoration develops toward greater scale and personalization, super-large GRC shapes are increasingly applied in convention centers, landmark buildings, theme parks, and other projects. Qinglong, a company holding Grade II general contracting qualification for building construction, has accumulated extensive experience in super-large GRC hoisting through projects such as the 120,000-square-meter roof GRC at the Hainan International Convention and Exhibition Center and the super-large GRC components at Shanghai Xinghewan, forming a comprehensive plan design system.

Component Characteristics: The Fundamental Basis of Hoisting Plans

The self-weight, dimensions, and structural strength of super-large GRC shapes are the core basis for plan design. Before hoisting, the component weight must be precisely calculated, and combined with the flexural and tensile strength of GRC, hoisting points and rigging types must be determined to prevent component deformation or cracking during hoisting. For double-curved and irregular super-large GRC, the distribution of hoisting points must be optimized according to the center of gravity to ensure uniform stress on components during hoisting. In the Shenzhen Pingshan High-tech Zone Comprehensive Service Center project, Qinglong determined a multi-point balanced hoisting plan through precise calculation for the 30,000-square-meter super-large GRC curtain wall.

Equipment Selection: Rigging Equipment Configuration to Match Requirements

The selection of hoisting equipment must balance load capacity and operating radius. Based on the weight and installation height of the super-large GRC, suitable equipment such as tower cranes, truck cranes, or crawler cranes should be chosen, ensuring the rated lifting capacity is more than 1.2 times the component weight. For high-altitude, large-span installation scenarios, luffing tower cranes or crawler cranes are used to enhance operational flexibility and precision. Meanwhile, specialized rigging such as flexible slings and vacuum lifters should be equipped to prevent damage to the GRC surface. In the Hainan Changying Universal 100 Fantasy Park project, Qinglong efficiently completed the installation of 250,000 square meters of super-large GRC components through proper selection of hoisting equipment.

Site Environment and Construction Organization: The Key to Smooth Hoisting

Site environment survey and construction organization are essential parts of the hoisting plan. Obstacles in the hoisting area should be cleared in advance, and transport routes and hoisting operation radii planned to ensure sufficient space for equipment entry, exit, and hoisting operations. Hoisting schedules should be formulated based on weather conditions, avoiding severe weather such as rainstorms and strong winds; hoisting operations are strictly prohibited when wind speed exceeds force 6. In terms of construction organization, a "zoned, batched" hoisting strategy is adopted, supported by professional command teams and technical personnel to achieve coordinated hoisting, positioning, and fixing operations. In the Guangxi New Media Center project, Qinglong successfully completed the hoisting of super-large double-curved GRC under complex site conditions through scientific site organization.

The hoisting of super-large GRC shapes is a systematic project involving the coordination of multiple factors. With 28 years of full-chain experience, Qinglong takes a coordinated approach to component characteristics, equipment selection, site environment, and other factors to develop safe and efficient hoisting plans. As a national high-tech enterprise, Qinglong always relies on technology with safety as the bottom line, providing full-process support for super-large GRC projects from plan design to on-site implementation, helping buildings realize their grand visions.