Case Study: BIM Implementation In Shanghai Tower
BIM implementation in Shanghai Tower: China recently witnesses an architectural innovation especially in skyscrapers and stadiums construction. It is expected in 2015 that 106 buildings of 200 meter or greater will soon be completed in China. One of these simple structures is Shanghai tower, a super tall skyscraper with increased than 600-meter height. That framework will be the tallest tower in China and the second highest building in the world. [i]
The look and structure procedure for a huge tall tower is very difficult and complicated project. Such projects require a adept qualified challenge administration that could coordinate effortlessly between the different teams. The tower is a considerable example of successful remarkable administration for this type of skyscrapers.
The tower is a multi-functional building. It offers seven different functional areas with 7 architectural programs and more than 30 electrical, mechanical, and intelligent subsystems. It is a complicated structure that needs a sizable amount of specialists and professions in different professions ahead together. Hence, the task applied more than 30 consulting companies in architectural design, physical and electrical executive, fire security, and curtain wall design. In addition, it caught with a dozen of subcontractors in foundation, design, and machinery. [ii]
That big number of personnel and specialists put the challenge managers in front of challenging to locate a successful technique for coordination system. They look for a successful data engineering that defines a variable unison between all disciplines through one good system [ii]. With this goal, they adopted BIM technology.
The tower is located in Lujiazui region, in Pudong, and is recognized as one of the primary financial centers in East Asia. Gensler Business developed the tower through an global multi-staged design competition. The tower is considered among three different structures that provide the past, present and the future of Shanghai city. The design was inspired by Shanghai traditions, and its spiraling form gift suggestions the vibrant emergence of contemporary China. [iii]
The tower is 632 yards level with 121 storeys. It vertically divided into 9 functional locations, each zone increases 12 to 15 surfaces with a public room balcony within layer walls. The lowest soil zone occupied by an start market that joins the tower with the surrounded actions and Shanghai's City, whereas the podium region requires stores and restaurants. The offices occupy the middle region while the lodge was placed in the top with the observation terrace [iii]. The construction of the building started in 2009 and it's predicted to be opened in 2015. [iv]
Breakdown of BIM Implementation
As we all know, BIM technology has proven recently valuable efficiency in the systematization of various structure tasks mainly in collaboration, control, and discussing data. It unifies the program for all professions to generally share their style files. It is an effective data process that produces a database for many design and structure phases. This repository considers the DNA of the building and can be quite a reference for potential maintenance and progress [ii]. For this reason, Shanghai's Tower Construction & Progress made a decision to use this technology in operating the look, design, and structure techniques of the tower. Jianping Gu, director and common manager of the company explains, "We realized when we tried to work in a standard way, using traditional tools and distribution methods, it would be very difficult to hold out this project successfully." [v]
Accordingly, BIM program program was executed and run since the initial stage of the task by the end of 2008[ii]. Autodesk applications were picked for the machine by making use of Revit Structure, Design and MEP computer software for the style and documentation processes. Whereas Autodesk Naviswork Manage application was used to aid the coordination between the employees. Ecotect Evaluation was also applied for environmental analysis. In addition, Autodesk Consulting applied on-site BIM environment for the neighborhood group and provided teaching and help services. "By combining Autodesk's BIM technology and the strong knowledge of Autodesk Consulting, we have been able to properly move to BIM much faster. As a result, that project has collection new requirements for the information administration of structure projects in China," says Gu. [v]
Visualization Design of Shanghai Tower.Courtesy of Shanghai Tower Construction & Progress
Shanghai Tower's Geometry
The flowing spiraling kind of the tower was generated from the curved triangular plan. This spherical triangle was produced from the partnership between the rounded bank of Huangpu River, Jin Mao Tower, and the Shanghai World Economic Center. This desirable and exclusive sort will be a milestone in Shanghai city for representing China as a global economic power. [iii]
Shanghai Tower.Courtesy of CTBUH – Shooter: Tansri Muliani.
Gensler Organization designed the tower according to three primary ingredients which are parametrically modified and turned:
1. Horizontal Profile:
It is designed being an equilateral triangle with easy sides based on two tangential curves. You will find two factors that shaped the account: The radius of the large group and its spot to the center of the equilateral triangle. [vi]
2. Vertical Profile:
It is modeled by declining the ground horizontal profile with the upper one, which resulted the right circular cone. The taper function reinforced the function of the building. The broad decrease account afforded wide spans for the market and practices, whereas the slender upper programs provided small spans for the hotel. [vi]
3. Rate of Angle:
It is really a linear turning function from the bottom to the top. This method applied different turn sides to learn the very best position for the design. [vi]
The design team produced several solutions for the geometry according to two factors: the proportion of declining operation and the viewpoint of a turning process. They created two versions with different scales; 1:85 and 1:500. These designs were analyzed by Wind Tube Check to determine the very best substitute design that could keep the wind loads. The check concluded that the shape should be tapered 55% and turned 120o. These prices develop a geometry that reduces 24% in structural wind loads and cladding pressure and saves 50 $ million USD from design budget. [vi]
In the end, we realize that the look process of Shanghai tower was not easy and effortless. It's undergone many studies and tests that resulted a gentle elegant transparent tower that accomplished 32% preserving of the projected materials because of its construction. [iii]
[i] Safarik, Daniel, Antony Woods, Marty Carver and Marshall Gerometta. "An All-Time Record 97 Structures of 200 Yards or Higher Completed in 2014." CTBUH 2014 Year in Review Report, The Council on Large Buildings and Urban 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 Update of Shanghai Tower." Gensler Textbooks, (2010) www.gensler.com
[iv] The Skyscrapers Center. "Shanghai Tower." The Global Knowledge Base of CTBUH,(2015). www.skyscraperscenter.com
[v] Autodesk. "Increasing the New Levels with BIM." Autodesk. Inc, (2012). www.autodesk.com/bim.
[vi] Zeljic, Aleksandar. "Shanghai Tower, Façade Design Process." 2010 International Discussion on Building Package Methods and Systems, Vancouver, Europe, (201
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