Developer and Construction Party: Shanghai China Railway Jingxian Real Estate Co., Ltd
BIM Engineering Consultant: Shanghai Zhongfang Architectural Design Co., Ltd
Project Name: China Railway Construction Shanghai Xiangxie International Residential Area
This project is located in Shanghai, China, and features a large-scale commercial residential development with a total building area exceeding 310,000 square meters. The residential buildings utilize a concrete sandwich insulation prefabricated structural system, achieving a 100% prefabricated building area ratio. For individual buildings, the prefabricated assembly rate reaches at least 40%. Prefabricated components include exterior and interior wall panels, floor slabs, balcony partitions, and staircases. Notably, some high-rise residential buildings contain fully furnished rooms, with building heights surpassing 50 meters.
PLANBAR Software Application
The detailed design verification for this project was conducted using the PLANBAR software platform. This tool integrates multiple professional design disciplines and stages, allowing for thorough error detection, omission checks, and optimization coordination within the BIM model environment. The detailed design models are illustrated in Figures 1-2 and 1-3.
Figure 1-2: PC Component BIM Model
Figure 1-3: Building Structure BIM Model
1. Design Verification of Independent PC Components
Using PLANBAR, detailed drawings of individual components were refined and modeled to identify any errors or omissions in plans, elevations, and sections. The software checked the design rationality regarding reserved sleeves, connectors, support points, and reinforcement bars. See Figures 1-4 and 1-5 for examples.
Figure 1-4
Figure 1-5
2. Verification of Pre-Assembly Between Components
The PLANBAR software was used to develop a BIM model of the cast-in-place structure. By virtually “pre-assembling” the model, conflicts related to outer geometric dimensions, reinforcement overlaps between PC components, and between PC and cast-in-place parts were identified. Site installation feasibility and structural rationality were carefully considered, and optimization suggestions were provided. Refer to Figures 1-6 and 1-7.
Figure 1-6
Figure 1-7
3. Cross-Discipline Design Consistency Verification
On the PLANBAR platform, the structural model was integrated with external MEP models via IFC format settings and conversions. Reserved parts of PC components, including refined decorative sockets, switches, intelligent control points, embedded pipelines, and reserved holes, were checked individually. This coordination among various design units ensured smooth construction and installation processes. See Figure 1-8 for details.
Figure 1-8
4. Application Summary
The use of PLANBAR software in this project highlights several advantages:
- Professional technical modules and expandable development functions for modeling PC components and reinforcement bars.
- Rapid responsiveness in displaying and manipulating complex, multi-faceted models.
- Clear logic, ease of operation, and simple control in managing model components.
- Strong compatibility and complete data transmission when exchanging information with other BIM software via IFC format.
Shanghai Zhongfang Architectural Design Co., Ltd., founded in 1979, is a leading comprehensive Grade A design institution in Shanghai. With nearly 300 professional designers, the firm has worked with many of China’s top 50 real estate developers. Shanghai Zhongfang (Integrated Decoration) is a pioneer in BIM technology and prefabricated concrete building design in the industry. PLANBAR software has become a vital tool for their detailed design drafting and BIM optimization services for precast concrete projects. As PLANBAR’s application expands in scope and depth, related case studies will be shared with industry professionals.
Writer
Sheng Ming
National Registered First-Class Architect
National Registered Urban Planner
Senior Engineer
Executive Director of the BIM Technology Academic Committee of the Chinese Architectural Society
Must log in before commenting!
Sign Up