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Ultra-Large-Span Grid Shell Roof Structure Aquarium

Categories	Roof Structure System
Brand	PFM Architecture Service Provider
Project Type	Aquarium
Structural System	Spherical single-layer grid shell structure
Span	150 meters
Roofing Material	Steel structure with a glass skylight dome system
Design Service Life	50 years
Seismic Design	Seismic Intensity 8, seismic isolation bearing
Construction Period	12 months
Update Time	Sep 3,2025

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AQUARIUM FEATURING AN ULTRA-LARGE-SPAN GRID SHELL ROOF STRUCTURE

The project is a marine-themed science education and research complex located in Zhuhai, Guangdong Province, with a total construction area of approximately 365,000 square meters. As the core landmark of the marine resort area, its roof features an ultra-large-span spherical grid shell structure, creating an unobstructed, immersive spherical space within the venue.

This roof not only demonstrates advanced structural engineering design and construction capabilities but also showcases the innovative application of spatial structures in large-scale cultural and tourism architecture.

Project Type	Aquarium
Structural System	Spherical single-layer grid shell structure
Span	150 meters
Roofing Material	Steel structure with a glass skylight dome system
Design Service Life	50 years
Seismic Design	Designed for seismic intensity of 8, using a seismic isolation bearing system
Construction Period	12 months

PROJECT TECHNICAL SOLUTION

Joints & Connections

The tubular truss members are welded at the nodes to ensure overall structural continuity.

Material Selection

Main Structure: Q355B / Q460 steel, offering excellent bending resistance and high load-bearing capacity.

Material Selection

Roofing Material： Metal panels (e.g., aluminum-magnesium-manganese alloy): lightweight, durable, and low-maintenance.

Skylights use insulated laminated glass for natural lighting and energy efficiency.

PROJECT HIGHLIGHTS & ADVANTAGES

World-Leading Large-Span Spherical Roof

A structural scale that ranks among the top of its kind in marine-themed facilities.

Column-Free Space Experience

Maximizes exhibition area and provides an immersive viewing experience.

Complex Curved Surface Construction

Demonstrates advanced capabilities in spatial structure design and installation.

Fusion of Culture and Technology

More than a science venue — it stands as a landmark of architectural art and engineering innovation.

Why Choose PFM

Specialized Solutions For Your Project

With rich international EPC experience, we offer PFM customized structural and roofing solutions tailored to each project's function, design, and architectural needs—ensuring efficient construction, unique appearance, and reliable performance.

A Variety of Combination Schemes
Combination Scheme		Advantages	Application
Space Frame	Metal Roof	Cost-effective, efficient, long-span	Stadiums, exhibition halls, warehouses
	Glass Roof	Long-span, excellent natural lighting	Transport hubs, commercial atriums, lobbies
Truss	Metal Roof	Flexible design, good daylighting	Museums, shopping malls, greenhouses
	Glass Roof	High load capacity, strong and stable	Heavy-duty workshops, warehouses, venues with hanging systems
Tensile Membrane	ETFE	Unique shape, visually striking	Stadium canopies, landmark building entrances
	Glass Roof	Ultra-lightweight, translucent and energy-saving	Eco-greenhouses, high-end cultural and sports landmarks
steel structure	Metal Roof	Proven technology, highly adaptable	Commercial buildings, offices, schools, traditional industrial facilities
Latticed Shell	Glass Skylight	Natural daylighting, aesthetically pleasing, and modern minimalist design.	Commercial Plazas, Large Shopping Centers
Other Customizable Parameters
Span Range	From 30 to 200 meters, tailored to specific project requirements.
Seismic Rating	Designed to meet seismic intensity levels from 6 to 9.
Material Options	Including Q235/Q355 structural steel, ETFE membrane, weathering steel, and more.
Sustainable Design	Compliant with green building standards, featuring energy-efficient roofing to reduce energy consumption.
Construction Method	Modular prefabrication to shorten construction time and reduce on-site risks.

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Our Supply Capacity

Design Capability

A professional structural design team skilled in complex spatial modeling, structural analysis, and optimized design, ensuring the roofing system is safe, visually appealing, and cost-effective.

Procurement Capability

Long-term partnerships with top manufacturers of steel structures and roofing systems enable flexible material and system selection, guaranteeing both quality and delivery timelines.

Construction Capability

An experienced international engineering team specializes in large-span roof structures and systematic installation, ensuring high-standard, on-time project delivery.

Through an integrated Design–Procurement–Construction (DPC) supply model, PFM delivers stable and reliable turnkey roofing solutions—minimizing risk and reducing overall costs for clients.