Case Study: BIM Implementation In Shanghai Tower
BIM implementation in Shanghai Tower: China recently witnesses an architectural revolution especially in skyscrapers and stadiums construction. It is expected in 2015 that 106 structures of 200 meter or larger will soon be completed in China. One of these simple structures is Shanghai tower, a mega large skyscraper with an increase of than 600-meter height. This structure would be the tallest tower in China and the next tallest building in the world. [i]
The design and construction procedure for a super tall tower is very difficult and complex project. Such tasks require a adept competent task administration that could coordinate efficiently between the different teams. The tower is a considerable exemplory case of effective outstanding administration for this sort of skyscrapers.
The tower is a multi-functional building. It contains seven various functional zones with 7 architectural methods and over 30 electric, physical, and wise subsystems. It is an elaborate structure that needs a large quantity of specialists and professions in different professions in the future together. Hence, the task employed more than 30 visiting companies in architectural design, technical and electrical design, fire security, and curtain wall design. Additionally it developed with a dozen of subcontractors in foundation, structure, and machinery. [ii]
This huge amount of workers and specialists set the challenge managers in front of difficult to find a powerful technique for coordination system. They search for a fruitful data engineering that defines a flexible unison between all professions through one specific platform [ii]. For this aim, they adopted BIM technology.
The tower is located in Lujiazui section, in Pudong, and is considered among the major financial centers in East Asia. Gensler Organization developed the tower through an global multi-staged style competition. The tower is considered certainly one of three distinctive buildings that provide days gone by, present and the long run of Shanghai city. The design was encouraged by Shanghai traditions, and their spiraling variety gifts the active emergence of contemporary China. [iii]
The tower is 632 yards level with 121 storeys. It vertically split into 9 useful areas, each region rises 12 to 15 floors with a community space balcony within curtain walls. The best ground zone entertained by an open market that attaches the tower with the surrounded activities and Shanghai's Neighborhood, while the podium zone involves stores and restaurants. The practices inhabit the middle zone as the hotel was placed in the prime with the observation terrace [iii]. The construction of the creating 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 recently important efficiency in the systematization of various structure projects mainly in collaboration, coordination, and sharing data. It unifies the platform for several disciplines to fairly share their style files. It's a fruitful data program that produces a repository for many design and construction phases. That database thinks the DNA of the creating and can be quite a reference for potential maintenance and progress [ii]. For that reason, Shanghai's Tower Construction & Development made a decision to use that technology in operating the style, design, and construction functions of the tower. Jianping Gu, director and basic manager of the company explains, "We knew that if we attempted to work in a old-fashioned way, using standard resources and distribution programs, it could be very difficult to carry out this project successfully." [v]
Accordingly, BIM application system was implemented and run because the first phase of the challenge at the end of 2008[ii]. Autodesk applications were picked for the system through the use of Revit Structure, Structure and MEP computer software for the style and certification processes. While Autodesk Naviswork Handle pc software was used to facilitate the coordination between the employees. Ecotect Examination was also applied for environmental analysis. In addition, Autodesk Consulting applied on-site BIM environment for the area team and provided teaching and help services. "By mixing Autodesk's BIM technology and the heavy knowledge of Autodesk Consulting, we've had the opportunity to properly move to BIM much faster. Consequently, that challenge has set new criteria for the data management of structure projects in China," claims Gu. [v]
Visualization Design of Shanghai Tower.Courtesy of Shanghai Tower Construction & Growth
Shanghai Tower's Geometry
The streaming spiraling kind of the tower was developed from the curved triangular plan. This curved triangle was derived from the relationship involving the rounded bank of Huangpu Water, Jin Mao Tower, and the Shanghai World Financial Center. That attractive and distinctive form is a milestone in Shanghai city for addressing China as a global economic power. [iii]
Shanghai Tower.Courtesy of CTBUH – Photographer: Tansri Muliani.
Gensler Organization made the tower according to three primary ingredients which are parametrically revised and complicated:
1. Horizontal Page:
It's shaped being an equilateral pie with smooth ends produced from two tangential curves. You can find two parameters that shaped the profile: The radius of the large circle and its site to the biggest market of the equilateral triangle. [vi]
2. Straight Profile:
It is modeled by tapering the bottom horizontal page with the upper one, which resulted the right round cone. The blend operation reinforced the event of the building. The wide lower profile afforded wide spans for the market and practices, while the thin top options presented short spans for the hotel. [vi]
3. Rate of Angle:
It is a linear rotation function from the beds base to the top. This method used various turning sides to learn the best perspective for the design. [vi]
The look staff created numerous solutions for the geometry according to two parameters: the proportion of tapering operation and the position of a twisting process. They built two types with different scales; 1:85 and 1:500. These designs were examined by Breeze Tunnel Test to ascertain the best option style that could bear the breeze loads. The test figured the proper execution must be tapered 55% and complicated 120o. These prices create a geometry that reduces 24% in structural wind masses and cladding pressure and preserves 50 $ million USD from design budget. [vi]
All things considered, we observe that the design method of Shanghai tower wasn't simple and effortless. It's undergone many reports and experiments that resulted a gentle elegant transparent tower that reached 32% preserving of the estimated resources because of its construction. [iii]
[i] Safarik, Daniel, Antony Woods, Marty Carver and Marshall Gerometta. "An All-Time History 97 Buildings of 200 Meters or Higher Completed in 2014." CTBUH 2014 Year in Review Record, The Council on Large Buildings and Metropolitan Habitat, (2014). www.ctbuh.org
[ii] Ge, Qing. "BIM Applications in the Shanghai Tower Construction." CTBUH 2012 9th Earth Congress, Council on Large Structures and Downtown Habitat, Shanghai, China (2012).
[iii] Gensler. "Design Upgrade of Shanghai Tower." Gensler Journals, (2010) www.gensler.com
[iv] The Skyscrapers Center. "Shanghai Tower." The International Data Base of CTBUH,(2015). www.skyscraperscenter.com
[v] Autodesk. "Growing the New Levels with BIM." Autodesk. Inc, (2012). www.autodesk.com/bim.
[vi] Zeljic, Aleksandar. "Shanghai Tower, Façade Style Process." 2010 International Conference on Creating Cover Methods and Systems, Vancouver, Europe, (201