(1) BIM technology offers significant advantages in visualization. Currently, the domestic decoration industry primarily relies on CAD software, which focuses on two-dimensional drawings such as plans, sections, and elevations, containing only geometric information. These 2D drawings struggle to accurately represent complex decorative spaces. Consequently, some large decoration companies use 3DMAX software to create models and renderings based on 2D drawings. However, these models only contain geometric information without additional data.
BIM technology overcomes these limitations by ensuring that all decoration-related information aligns with the actual building through virtual 3D spatial technology, enabling the creation of accurate 3D building models. Furthermore, BIM integrates well with CAD software, offering far better compatibility than 3DMAX. By leveraging BIM, information from various stages of computer-integrated decoration engineering can be combined to form a comprehensive 3D model. This model fully reflects key characteristics such as visibility, analyzability, coordination, and manageability, effectively linking engineering design, construction, and management processes.
Additionally, BIM transforms 2D drawings into 3D models, constructing detailed representations of structures, water and electrical systems, and interiors based on these drawings. Using rendering technology, it allows for previewing decoration effects in advance.
BIM’s visualization capabilities facilitate seamless information exchange and synchronization among owners, management teams, designers, and construction personnel. Its benefits include:
- 3D visualization models effectively connect all stakeholders, ensuring the decoration project meets expected outcomes.
- BIM integrates homeowners’ temporary requirements into the 3D models, maintaining overall layout integrity while addressing feedback from all parties to support smooth project progress.
- BIM enables online supervision and real-time construction site monitoring through specialized software, allowing timely detection and communication of issues, thereby improving construction efficiency and quality.
(2) BIM also introduces a scientific management approach. Traditionally, residential decoration cost budgets are manually calculated by cost estimators based on 2D drawings, prone to omissions and miscalculations. This leads to uncertainties and significant deviations between actual and budgeted costs. BIM provides the most accurate and reasonable engineering costs and construction plans through precise calculations and detailed reports. This helps prevent resource waste, optimizes material procurement, minimizes construction losses, and effectively controls decoration expenses.
With rapid economic growth and increasingly diversified and modern architectural designs, decoration projects must account for the building’s structural characteristics and evolving needs. Incorporating BIM allows design, construction, and management to align with both structural features and decoration specifics. As new technologies, materials, and processes emerge, decoration management becomes more complex. BIM meets artistic and health requirements while embodying principles of scientific management, green construction, and low carbon emissions.
During the pre-construction phase, management teams can use BIM to simulate and oversee the entire decoration process. This allows multiple parties to adjust construction plans based on practical outcomes, enhancing owner satisfaction. Furthermore, BIM accounts for workload, construction schedules, processes, and materials, reducing conflicts and redundant work, ultimately shortening project timelines and boosting efficiency.
(3) BIM technology effectively prevents collision issues. Currently, residential decoration in China often starts after homeowners receive their property, with multiple decoration teams independently handling plastering, flooring, ceilings, doors, windows, and panels. This approach risks conflicts such as design clashes, spatial interferences during installation, component collisions, and issues with reserved openings.
Addressing these collision problems is crucial for smooth project execution. BIM enables designers to use Revit software to perform clash detection on 3D models before construction, preventing design errors and conflicts between different trades. Additionally, BIM can scan the construction site, convert it into a cloud model, and simulate potential collisions among components via computational software.
Collision checks on lines, pipes, and other elements during decoration construction allow for plan adjustments and optimization based on the 3D model, guiding on-site work more effectively. The refined decoration plan reduces rework, accommodates owner modifications, and saves significant time and costs.
(4) BIM also supports efficient maintenance after project completion. It integrates and stores information and construction records for all decoration components, providing owners with a comprehensive database documenting the entire construction process. This includes construction sequences, methods, joint techniques, material details, physical data, and manufacturer information.
During later maintenance or renovation, owners can trace material and construction history through the BIM database combined with model equipment records to develop accurate, cost-effective plans. In the popular “semi-package” residential decoration market, decoration companies must maintain traceable records of materials and construction history. This allows owners to promptly identify whether issues are due to material quality or construction faults, clarifying responsibilities and protecting everyone’s interests.
Source: Popular Technology, Volume 24, Issue 271, March 2022
Author: Yang Jing, Yi Zhaolin (Guilin University of Electronic Science and Technology)
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