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Archive for the ‘Civil Design’ Category

Zaha Hadid Architects: The Danjiang Bridge

Friday, November 24th, 2017

The following article was originally published by Geoff Haines on the Desktop Engineering Blog and is reprinted with permission.

click-to-tweetTweet: An analysis of #ZahaHadid Architects’ Danjiang Bridge project @Desktop_Eng @ZHA_News @3DSAEC @aeccafe https://ctt.ec/5LX8C+

The Project

Located at the mouth of Tamsui River that flows through the capital Taipei, the Danjiang Bridge is integral to the infrastructure upgrading program of northern Taiwan. Commissioned through a competition by the Directorate General of Highways, Taiwan, R.O.C., the bridge will increase connectivity between neighbourhoods and reduce through-traffic on roads within local town centres.

By also reducing traffic from the congested Guandu Bridge upriver, the Danjiang Bridge will greatly improve the northern coast traffic system and enhance accessibility throughout the region with the rapidly expanding Port of Taipei/Taipei Harbour, the region’s busiest shipping port.

The Team

The winning design team comprised a joint venture collaboration between architects Zaha Hadid Architects based in London, acting as design consultants; lead structural engineer was Leonhardt, Andrä & Partner in Germany and Sinotech Engineering Consultants in Taiwan acting as local engineering consultants.
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Simulation in Architecture, Engineering, and Construction

Monday, November 20th, 2017

The following article is excerpted from SIMULATION IN ARCHITECTURE, ENGINEERING AND CONSTRUCTION. To read more, download the full white paper here.

PRODUCT, NATURE, AND LIFE IN AEC

These are extraordinary times for civil engineering. Innovative structures such as hyper-loops, undersea hotels and made-to-order 3D-printed buildings, which were just concepts a few years ago, are no longer considered to be in the realm of fiction. These novel structures need to be designed for either transporting people through natural surroundings, protecting them from natural surroundings or allowing them to interact with natural surroundings.

click-to-tweetTweet: These are extraordinary times for #civilengineering @aeccafe @3DSAEC https://ctt.ec/kUB7t+

The commonalities that underlay these structures consist of intricate linkages between product, nature and life. The same is true for conventional civil engineering structures, including buildings, bridges, tunnels and dams.

The following image shows an innovative steel lattice structure, one of the Sun Valley structures constructed for Shanghai Expo 2010.

A steel lattice structure constructed for Shanghai Expo 2010. Image courtesy of Shanghai Xian Dai Architectural Design Group.

A steel lattice structure constructed for Shanghai Expo 2010. Image courtesy: Shanghai Xian Dai Architectural Design Group.
We need to think about product, nature and life together, not only for creating innovative designs, but also for providing optimal functionality, ensuring safety and safeguarding sustainability for ecological well-being.

Product, nature and life, therefore, need to play a conjoined role during planning for large engineering projects, such as city developments, large transportation projects, as well as dams and irrigation works.

How can we include product, nature and life in the design processes for civil structures? This will need to be done through realistic simulations that take into account precise geometry and material properties, realistic representations of physical and natural processes, and rational predictions of experiences by people.

click-to-tweetTweet: How can we include product, nature & life in the design processes for civil structures? #CivilEngineering @aeccafe @3DSAEC https://ctt.ec/UodMh+

Such simulations, in addition to the obvious need for ascertaining structural safety, also need to include the construction processes and sequences along with reliable estimates of construction and maintenance costs.

COMMON INDUSTRY CHALLENGES

Large construction projects often exhibit cost overruns and delays due to unforeseen events or design changes during construction.

As is well known, a judicious balance between cost, time and quality needs to be maintained in any construction project in order to have the resulting product as profitable, safe and sustainable as possible.

In a construction project, the architects and structural engineers first need to come up with a conceptual design that is appropriate for the intended function of the structure. Potential structural loads need to be identified, and the conceptual design needs to be guided by the efficiency of how these loads get transmitted within the structure and distributed to the foundations.

Any errors or inappropriate design choices at this stage can have significant time and cost implications on the final outcome. If the structural components are pre-fabricated, then these and the final structure need to be designed based on the ease of manufacturing the pre-fabricated parts, which can often contain specially designed new materials.

Also, the transportation of these parts and the final assembly processes need to be considered. A complete study on how early design choices affect the construction process, time and costs is, therefore, necessary.

Moreover, such studies need to be done quickly and also need to provide comprehensive data in order to enable architects and engineers to make proper comparisons between different conceptual designs.

Once the conceptual design has been chosen, engineers need to come up with an appropriately detailed final design. As the construction gets under way, some parts of the structure may need to be altered from their original design.

In these circumstances, one needs to be able to quickly identify the implications of any structural modifications on the safety and reliability of the final product. Also, the final design needs to be updated and information on the ensuing modifications needs to be accurately and promptly passed along to the engineers at construction sites.

ROLE OF SIMULATION

In architecture, virtual or graphical simulation models can help in arriving at conceptual designs, taking into account wide ranges of criteria, such as layout, positioning, landscaping and lighting. Also, realistic rendering can be used to help make depictions lifelike, adding to their value for clients.

In engineering, virtual representations can be used to idealize structural geometrical configurations. These configurations can then be used in computational analyses to predict structural deformations and stresses resulting from applied loading and support conditions.

Subsequent to such simulation analyses, the predicted data values can be visualized and examined. Based on these data values, engineers can ascertain the strength, stability and safety of the proposed structure, and can then finalize the structural design.

In construction, the finalized design is then used for material estimation and ordering, planning the construction sequence and managing the construction process using appropriate simulation tools.

As one can see, simulation helps in all three phases of any civil engineering project—conceptual and architectural design, engineering design and construction. Although individual tools are available to simulate these three phases separately, the use of such tools may result in potential loss of information when passed between different phases of the project.

click-to-tweetTweet: Simulation helps in all 3 phases of a #civilengineering project: conceptual/architectural, engineering, construction @aeccafe @3DSAEC https://ctt.ec/eme9O+

Civil engineering projects, hence, need simulation tools that seamlessly connect the architecture, engineering and construction phases. One such simulation tool is available from Dassault Systèmes.

Structure Design for Fabrication on the 3DEXPERIENCE® platform from Dassault Systèmes has been specifically developed to provide engineers and architects with a unified capability to virtually represent conceptual designs, perform engineering analyses, analyze construction sequences and manage construction projects all together, while keeping track of individual components. It provides a unique representation of the project as a whole, one which several users can remotely access in order to obtain information according to their individual needs. Any change in any component can be reflected throughout the project, including the effects on project schedule, and also likely implications on the structural loading and response.

In addition to Structure Design for Fabrication, Dassault Systèmes also provides solutions using Abaqus® simulation software for complex simulations and analyses, including for pre-stressed and reinforced concrete, for simulating the altered behavior of damaged structures, for geomechanics analyses for tunnels and foundations, and for seismic response analyses of complex structures.

Related Resource

Learn all about SIMULATION IN ARCHITECTURE, ENGINEERING AND CONSTRUCTION. Download the White Paper.

“Future Testing” for Civil Engineering

Thursday, October 26th, 2017

The ideas presented in earlier posts on Future Testing (excerpted from Replacing Problem-Solving with Future Testing) can be applied to the discipline of engineering.

Future Testing for Engineering Firms

Traditionally, engineering firms review the architect’s conceptual designs and independently develop their engineering drawings. This is a wasteful step, which duplicates work and can misinterpret the architect’s intent. This disconnect between the designs also makes it incredibly difficult to test new ideas or incorporate changes from the architect.

Future Testing bridges the digital gap.

click-to-tweetTweet: #FutureTesting bridges the gap between architects’ conceptual designs & engineering drawings @aeccafe @3DSAEC https://ctt.ec/K1b7n+

It provides the ability for all stakeholders to collaborate on and visualize a virtual mockup of the project from start to completion in digital form, improving speed and building trust that the desired outcomes will be met.
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The New Paradigm Poised to Disrupt the AEC Industry: “FUTURE TESTING”

Thursday, September 28th, 2017

An advanced process in Architecture, Engineering and Construction (AEC) allows project stakeholders to anticipate issues and opportunities early, therefore reducing risk, taking advantage of innovative ideas, and gaining an edge on the competition.

We call it “Future Testing” and it enables AEC teams to:

  • Reduce waste and costs
  • Identify opportunities early
  • Learn lessons in the virtual world first
  • Apply new methods and alternatives

click-to-tweetTweet: Has #FutureTesting replaced problem solving
in #AEC? @3DSAEC @aeccafe https://ctt.ec/IR44V+

The time is now for AEC companies to replace Problem Solving with Future Testing. Those that don’t take advantage of the opportunity will fall behind. Those that adopt Future Testing will build confidence and trust with their customers by showing they can anticipate issues and opportunities in advance, and adapt to inevitable changes as they occur with speed and precision.

Industry leaders are learning to uncover opportunities for innovation, and avoid issues, by experiencing the build process in a digital, virtual environment before the windows of opportunity close due to limitations of what’s already been constructed.

They’re moving beyond the era of firefighting by anticipating and avoiding problems through simulation.

In addition, they’re employing a Future Testing Cycle to learn from physical and virtual work and improve and simplify construction processes as they go.

The benefits of Future Testing apply not only to the owner, but also to architects, engineers, suppliers, contractors, and the whole team. This approach gives every constituent confidence in the process and the outcome because they’ve experienced it virtually.

click-to-tweetTweet: Has #FutureTesting replaced problem solving
in #AEC? @3DSAEC @aeccafe https://ctt.ec/IR44V+

Learn all about Future Testing through real world examples from CADMAKERS, SHoP ARCHITECTS, SMEDI, A. ZAHNER COMPANY, and HARDSTONE CONSTRUCTION in our Dassault Systemès white paper: Replacing Problem-Solving with Future-Testing: The New Paradigm Poised to Disrupt the AEC Industry.

 

Qingdao Focus – Dassault Systèmes Greater China AEC Industry Forum

Friday, September 22nd, 2017

On September 14th, 2017, Dassault Systèmes held the Greater China AEC Industry Forum in Qingdao, China. Hosting industry leaders from around the country, the forum introduced Dassault Systèmes development strategy and global experience in the construction and energy industries. Participants learned about Dassault Systèmes “3DEXPERIENCE” BIM solution platform, as well as the company’s successes in municipal projects, roads and railways, water conservancy and hydropower projects, and other sectors.

click-to-tweetTweet: Tweet: Focus on #Qingdao: A recap of @Dassault3DS’s Greater China #AEC & Energy Forum https://ctt.ec/hQf7e+

The Belt and Road Forum for International Cooperation, held in Beijing in May 2017, reaffirmed China’s commitment to promoting the integration of land, sea, air, and the Internet. While promoting metropolitan area development, the “Belt and Road” strategy also focuses heavily on infrastructure development. In this context, Dassault Systèmes is continually improving upon its “3DEXPERIENCE” solutions platform, and is striving to support data integration and coordination across the lifetime of infrastructure projects using 3D data simulation technology and BIM management platforms. This helps companies in design, construction, operation, and other project phases reap the benefits of digital technology.
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Here’s How Syntegrate’s BIM Expertise Made the Admiralty Station Project Possible

Friday, August 11th, 2017

The Admiralty Integrated Station & Sha Tin to Central Link project is the expansion of an existing station on the Hong Kong Mass Transit Railway (MTR) system.

As one of the interchange stations on Hong Kong’s busy MTR network, Admiralty Station will need to accommodate 2 new railway lines, the Shatin to Central Link (SCL) and the South Island Line (SIL), making it the first 4-line interchange in the Hong Kong MTR system. This project was further complicated by a demanding construction schedule.

Syntegrate, a consultancy specializing in the application of computer-based technology in the Architecture, Engineering, and Construction industry, was responsible for implementing Building Information Modeling, or BIM, on this project. The team utilizes BIM Modeling and Management software tools and provides specialty services to assist in master planning, architectural design, project management, construction, and operations of the built environment.

click-to-tweetTweet: Tweet: Syntegrate utilizes #BIM from planning through #construction & operations#3DEXPERIENCE @3DSAEC @aeccafe https://ctt.ec/naw98+

Throughout the expansion of Admiralty Station, which involved construction directly beneath the existing metro lines, the daily operations of the trains had to continue without interruptions. Therefore, in addition to the demanding construction schedule, the operational constraints imposed by the existing station meant that it was necessary to formulate and accurately execute a highly detailed construction plan.

Syntegrate responded to this challenge by utilizing CATIA on the 3DEXPERIENCE platform. They visualized construction procedures and periodically incorporated up-to-date as-built models into the BIM environment. With this innovative approach, they produced accurate quantity take-offs, optimized the flow of logistics, and verified construction processes for all stakeholders.

As a result, Syntegrate delivered the following value to the project:

  • Successfully assisted the main contractor to develop constructible method statements throughout construction
  • Effectively used the as-built data in the BIM system to analyze and precisely coordinate subsequent construction
  • Improved construction strategies, safety measures, and work procedures through the use of BIM
  • Produced accurate calculations of resource levels and construction costs to assist in planning
  • Visualize and optimize upcoming work to improve space utilization on a very constrained site

With Syntegrate’s help, the 3D model enabled construction workers on-site to foresee subsequent processes.

The project stakeholders could also anticipate issues and opportunities early so they could make adjustments in a virtual environment to reduce risk.

click-to-tweetTweet: 3D model enabled #construction workers on-site to foresee subsequent processes #3DEXPERIENCE @3DAEC @aeccafe https://ctt.ec/6b12p+

Related Resources

Syntegrate

BIM Level 3 White Paper

Dassault Systèmes AEC Industry Solutions

Virtual design leaders promote adding Infrastructure Alignment to IFC standard

Thursday, June 1st, 2017

click-to-tweetTweet: Let’s add #infrastructure to IFC standards @jonathanriondet @buildingSMARTIn #BIM @3DSAEC @aeccafe https://ctt.ec/3_6fb+

Recently, buildingSMART International invited stakeholders vested in the development of Open BIM processes and standards to Barcelona for a summit to learn about the latest developments in IFC strategy.

The buildingSMART Standards Summit brought together a number of perspectives from around the world to discuss the needs that remain to be addressed to improve collaboration through BIM platforms.

Infrastructure alignment

Infrastructure Alignment

Jonathan Riondet, AEC Solution Technical Director for Dassault Systèmes, presented a session focusing on the needs of infrastructure owners, designers and contractors.

He noted that IFC, at the moment, remains focused on the needs of building designers and contractors, but both the industry and the standard must evolve to provide support in IFC 4 for infrastructure.
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No Holding Back: Infrastructure Engineers Push for BIM Standards

Thursday, May 18th, 2017
JONATHAN RIONDET, AEC Solutions, Dassault Systèmes

“BIM must extend beyond buildings to support infrastructure and Smart Cities” JONATHAN RIONDET, AEC Solutions, Dassault Systèmes

“BIM must extend beyond buildings to support infrastructure and Smart Cities” JONATHAN RIONDET, AEC Solutions, Dassault SystèmesMuch of the productivity-boosting potential of BIM for transforming the AEC industries has been inspired by the use of digital mockups in the manufacturing and aerospace industries.
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INFOGRAPHIC: Future Directions in Architecture

Thursday, March 30th, 2017

Architecture is at the crossroads of technology, society, and material sciences. As illustrated by The Economist in the infographic below, the major trends dramatically influencing the future of our built environment are:

Robots augmenting the construction workforce: 3D printing, drones, and wearable exoskeletons.

Flexible design extending the lifespan of infrastructure: the circular economy and adaptability.

New materials giving rise to bigger and greener buildings: graphene, carbon-negative cement production, and multi-physics simulation.

The built environment becoming intelligent and automated: big data, AI, autonomous utility equipment, and automated city services enabled by sensors.

Driverless vehicles reshaping our cities: less car ownership, less need for parking.
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The Reimagining of Cities

Thursday, January 26th, 2017

Originally published on the 3DPerspectives Blog, by Alyssa Ross


click-to-tweetClick to Tweet: The Reimagining of Cities | #VirtualSingapore
#3DEXPERIENCECity @3DSAEC

click-to-tweetClick to Tweet: “Cities are the most complex products that humans make” – @BernardCharles @Dassault3DS #urbanplanning

The last half-century has seen massive growth in urban populations. This trend is expected to continue: experts predict 6.5 billion people will live in cities by 2050.

And with all cities covering less than 3% of Earth, overpopulation, overpollution, and overburdened infrastructure create significant challenges.
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