Case Study: BIM Implementation In Shanghai Tower
BIM implementation in Shanghai Tower: China lately witnesses an architectural innovation especially in skyscrapers and stadiums construction. It is expected in 2015 that 106 structures of 200 meter or better will soon be completed in China. One of these simple buildings is Shanghai tower, a brilliant tall skyscraper with an increase of than 600-meter height. That framework could be the tallest tower in China and the next highest building in the world. [i]
The design and structure procedure for a huge tall tower is very hard and complicated project. Such tasks desire a skillful qualified project administration that could coordinate successfully between the various teams. The tower is a large exemplory case of effective outstanding management for this kind of skyscrapers.
The tower is a multi-functional building. It provides nine different functional locations with 7 structural methods and more than 30 electrical, physical, and clever subsystems. It's a complicated structure that needs a big amount of specialists and professions in different disciplines ahead together. Thus, the task employed more than 30 visiting companies in architectural design, mechanical and electric executive, fire defense, and layer wall design. In addition it contracted with a dozen of subcontractors in foundation, structure, and machinery. [ii]
That large number of workers and specialists set the challenge managers in front of difficult to locate a fruitful strategy for coordination system. They look for a successful information engineering that achieves a variable unison between all disciplines through one specific program [ii]. With this purpose, they adopted BIM technology.
The tower is located in Lujiazui section, in Pudong, and is known as one of the major economic centers in East Asia. Gensler Company made the tower through an global multi-staged design competition. The tower is considered among three specific structures that present the past, present and the future of Shanghai city. The design was influenced by Shanghai traditions, and its spiraling sort presents the powerful emergence of contemporary China. [iii]
The tower is 632 meters top with 121 storeys. It vertically divided into 9 practical areas, each region rises 12 to 15 surfaces with a community room balcony within curtain walls. The cheapest floor zone entertained by an start industry that links the tower with the surrounded actions and Shanghai's Neighborhood, while the podium region involves shops and restaurants. The offices inhabit the middle zone whilst the hotel was placed in the top with the observation deck [iii]. The construction of the building started in 2009 and it is predicted to be opened in 2015. [iv]
Summary of BIM Implementation
As we all know, BIM technology has established currently useful efficiency in the systematization of different construction jobs mainly in collaboration, coordination, and discussing data. It unifies the program for many professions to talk about their design files. It's a powerful data system that creates a database for many style and construction phases. That database thinks the DNA of the developing and can be a reference for potential preservation and growth [ii]. For this reason, Shanghai's Tower Construction & Growth decided to utilize this technology in operating the look, framework, and construction functions of the tower. Jianping Gu, director and common supervisor of the organization explains, "We realized when we tried to work in a old-fashioned way, applying standard resources and distribution systems, it will be extremely difficult to transport out this task successfully." [v]
Accordingly, BIM software process was implemented and work because the initial stage of the task at the conclusion of 2008[ii]. Autodesk applications were selected for the machine by applying Revit Structure, Design and MEP computer software for the look and paperwork processes. While Autodesk Naviswork Handle computer software was used to aid the control between the employees. Ecotect Examination was also used for environmental analysis. In addition, Autodesk Visiting implemented on-site BIM environment for the local team and afforded training and help services. "By combining Autodesk's BIM technology and the strong knowledge of Autodesk Consulting, we have been able to properly transition to BIM much faster. As a result, that project has set new criteria for the information administration of construction projects in China," claims Gu. [v]
Visualization Design of Shanghai Tower.Courtesy of Shanghai Tower Construction & Growth
Shanghai Tower's Geometry
The streaming spiraling form of the tower was developed from the rounded triangular plan. That spherical triangle was derived from the partnership between the rounded bank of Huangpu Water, Jin Mao Tower, and the Shanghai World Economic Center. That attractive and special kind will be a landmark in Shanghai city for representing China as a global economic power. [iii]
Shanghai Tower.Courtesy of CTBUH – Shooter: Tansri Muliani.
Gensler Business made the tower according to three primary ingredients that are parametrically modified and turned:
1. Horizontal Profile:
It is formed being an equilateral triangle with easy edges based on two tangential curves. You can find two factors that formed the profile: The radius of the large range and their area to the center of the equilateral triangle. [vi]
2. Straight Account:
It is patterned by declining the ground horizontal profile with the top of one, which resulted the right round cone. The taper operation supported the big event of the building. The large lower profile provided broad spans for industry and practices, although the slender upper programs provided small spans for the hotel. [vi]
3. Rate of Perspective:
It is a linear rotation operation from the bottom to the top. This process applied various turning perspectives to find out the most effective angle for the design. [vi]
The look team created numerous solutions for the geometry depending on two parameters: the proportion of declining function and the angle of a turning process. They created two types with various scales; 1:85 and 1:500. These types were examined by Breeze Canal Test to determine the best option design that may tolerate the wind loads. The test concluded that the proper execution should really be tapered 55% and twisted 120o. These prices produce a geometry that reduces 24% in structural wind loads and cladding pressure and preserves 50 $ million USD from structure budget. [vi]
After all, we observe that the design process of Shanghai tower wasn't simple and effortless. It's undergone many reports and experiments that resulted a gentle elegant transparent tower that accomplished 32% preserving of the projected materials for its construction. [iii]
[i] Safarik, Daniel, Antony Woods, Marty Carver and Marshall Gerometta. "An All-Time History 97 Buildings of 200 Yards or Larger Completed in 2014." CTBUH 2014 Year in Review Record, The Council on Tall Buildings and Downtown Habitat, (2014). www.ctbuh.org
[ii] Ge, Qing. "BIM Applications in the Shanghai Tower Construction." CTBUH 2012 9th Earth Congress, Council on Tall Buildings and Metropolitan Habitat, Shanghai, China (2012).
[iii] Gensler. "Design Update of Shanghai Tower." Gensler Journals, (2010) www.gensler.com
[iv] The Skyscrapers Center. "Shanghai Tower." The Global Data Base of CTBUH,(2015). www.skyscraperscenter.com
[v] Autodesk. "Climbing the New Heights with BIM." Autodesk. Inc, (2012). www.autodesk.com/bim.
[vi] Zeljic, Aleksandar. "Shanghai Tower, Façade Design Process." 2010 Global Discussion on Developing Envelope Techniques and Technologies, Vancouver, Europe, (201
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