scholarly journals Design for Deconstruction in the Design Process: State of the Art

Buildings ◽  
2018 ◽  
Vol 8 (11) ◽  
pp. 150 ◽  
Author(s):  
Jouri Kanters
Keyword(s):  
Design Process ◽  
Building Materials ◽  
Energy Use ◽  
State Of The Art ◽  
Building Design ◽  
Economic Benefits ◽  
Low Energy ◽  
Embodied Energy ◽  
Operation Phase ◽  
State Of Art

Stricter building regulations have resulted in the construction of buildings with a low energy use during the operation phase. It has now become increasingly important to also look at the embodied energy, because it might, over the lifespan of the building, equal the energy used for operating the building. One way to decrease the embodied energy is to reuse building materials and components or to prepare the building for deconstruction; a term called design for deconstruction (DfD). While design for deconstruction has showed environmental, social, and economic benefits, hardly any building designed and built today is designed for deconstruction. The aim of this literature review is to understand the state-of-art of design for deconstruction and how it affects the design process. In most of the literature, general construction principles are specified that promote the design for deconstruction and focus on (a) the overall building design, (b) materials and connections, (c) construction and deconstruction phase, and (d) communication, competence, and knowledge. Furthermore, the reuse potential of specific building materials is discussed, as well as the available tools for DfD. Additionally, the current barriers for DfD as specified by the literature show lack of competence, regulations, and other related elements.

scholarly journals Using BIM to calculate accurate building material quantities for early design phase Life Cycle Assessment

2021 ◽  
Author(s):  
◽  
Brian Berg
Keyword(s):  
Decision Making ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Design Process ◽  
Building Material ◽  
Building Materials ◽  
Building Design ◽  
Embodied Energy ◽  
Design Phase ◽  
Building Information

<p>This research simplifies the calculation of the Initial Embodied Energy (iEE) for commercial office buildings. The result is the improved integration of Life Cycle Assessment (LCA) assessments of building materials into the early stages of the building design process (sketch design). This maximises the effectiveness of implementing design solutions to lower a building’s environmental impact.  This thesis research proposes that building Information Models (BIM) will make calculating building material quantities easier, to simplify LCA calculations, all to improve their integration into existing sketch design phase practices, and building design decisions. This is achieved by developing a methodology for using BIM LCA tools to calculate highly detailed material quantities from a simple BIM model of sketch design phase building information. This is methodology is called an Initial Embodied Energy Building Information Model Life Cycle Assessment Building Performance Sketch (iEE BIM LCA BPS). Using this methodology calculates iEE results that are accurate, and represent a sufficient proportion (complete) of a building’s total iEE consumption, making them useful for iEE decision-making.  iEE is one example of a LCA-based indicator that was used to test, and prove the feasibility of the iEE BIM LCA BPS methodology. Proving this, the research method tests the accuracy that a BIM model can calculate case study building’s building material quantities. This included developing; a methodology for how to use the BIM tool Revit to calculate iEE; a functional definition of an iEE BIM LCA BPS based on the environmental impact, and sketch design decisions effecting building materials, and elements; and an EE simulation calibration accuracy assessment methodology, complete with a function definition of the accuracy required of an iEE simulation to ensure it’s useful for sketch design decision-making.  Two main tests were conducted as part of proving the iEE BIM LCA BPS’ feasibility. Test one assessed and proved that the iEE BIM LCA BPS model based on sketch design information does represent a sufficient proportion (complete) of a building’s total iEE consumption, so that are useful for iEE decision-making. This was tested by comparing the building material quantities from a SOQ (SOQ) produced to a sketch design level of detail (truth model 3), to an as-built level of detail, defined as current iEE best practices (truth model 1). Subsequent to proving that the iEE BIM LCA BPS is sufficiently complete, test two assessed if a BIM model and tool could calculate building material quantities accurately compared to truth model 3. The outcome was answering the research question of, how detailed does a BIM model need to be to calculate accurate building material quantities for a building material LCA (LCA) assessment?  The inference of this thesis research is a methodology for using BIM models to calculate the iEE of New Zealand commercial office buildings in the early phases of the design process. The outcome was that a building design team’s current level of sketch design phase information is sufficiently detailed for sketch design phase iEE assessment. This means, that iEE and other LCA-based assessment indicators can be integrated into a design team’s existing design process, practices, and decisions, with no restructuring required.</p>

scholarly journals Using BIM to calculate accurate building material quantities for early design phase Life Cycle Assessment

2021 ◽  
Author(s):  
◽  
Brian Berg
Keyword(s):  
Decision Making ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Design Process ◽  
Building Material ◽  
Building Materials ◽  
Building Design ◽  
Embodied Energy ◽  
Design Phase ◽  
Building Information

<p>This research simplifies the calculation of the Initial Embodied Energy (iEE) for commercial office buildings. The result is the improved integration of Life Cycle Assessment (LCA) assessments of building materials into the early stages of the building design process (sketch design). This maximises the effectiveness of implementing design solutions to lower a building’s environmental impact.  This thesis research proposes that building Information Models (BIM) will make calculating building material quantities easier, to simplify LCA calculations, all to improve their integration into existing sketch design phase practices, and building design decisions. This is achieved by developing a methodology for using BIM LCA tools to calculate highly detailed material quantities from a simple BIM model of sketch design phase building information. This is methodology is called an Initial Embodied Energy Building Information Model Life Cycle Assessment Building Performance Sketch (iEE BIM LCA BPS). Using this methodology calculates iEE results that are accurate, and represent a sufficient proportion (complete) of a building’s total iEE consumption, making them useful for iEE decision-making.  iEE is one example of a LCA-based indicator that was used to test, and prove the feasibility of the iEE BIM LCA BPS methodology. Proving this, the research method tests the accuracy that a BIM model can calculate case study building’s building material quantities. This included developing; a methodology for how to use the BIM tool Revit to calculate iEE; a functional definition of an iEE BIM LCA BPS based on the environmental impact, and sketch design decisions effecting building materials, and elements; and an EE simulation calibration accuracy assessment methodology, complete with a function definition of the accuracy required of an iEE simulation to ensure it’s useful for sketch design decision-making.  Two main tests were conducted as part of proving the iEE BIM LCA BPS’ feasibility. Test one assessed and proved that the iEE BIM LCA BPS model based on sketch design information does represent a sufficient proportion (complete) of a building’s total iEE consumption, so that are useful for iEE decision-making. This was tested by comparing the building material quantities from a SOQ (SOQ) produced to a sketch design level of detail (truth model 3), to an as-built level of detail, defined as current iEE best practices (truth model 1). Subsequent to proving that the iEE BIM LCA BPS is sufficiently complete, test two assessed if a BIM model and tool could calculate building material quantities accurately compared to truth model 3. The outcome was answering the research question of, how detailed does a BIM model need to be to calculate accurate building material quantities for a building material LCA (LCA) assessment?  The inference of this thesis research is a methodology for using BIM models to calculate the iEE of New Zealand commercial office buildings in the early phases of the design process. The outcome was that a building design team’s current level of sketch design phase information is sufficiently detailed for sketch design phase iEE assessment. This means, that iEE and other LCA-based assessment indicators can be integrated into a design team’s existing design process, practices, and decisions, with no restructuring required.</p>

scholarly journals User involvement in building design – a state-of-the-art review

2019 ◽  
Vol 26 (48) ◽  
pp. e151752
Author(s):  
Michele Caroline Bueno Ferrari Caixeta ◽  
Patrícia Tzortzopoulos ◽  
Márcio Minto Fabricio
Keyword(s):  
Literature Review ◽  
Design Process ◽  
Systematic Literature Review ◽  
Architectural Design ◽  
State Of The Art ◽  
User Involvement ◽  
Building Design ◽  
Clear Definition ◽  
Definition Of

This paper reports results of a systematic literature review on the definitions and levels of user involvement in the design process. Although many studies have highlighted the importance of user involvement for the quality of both process and final product, the term still lacks a clear definition and different models describe diverse involvement levels, which are detrimental to the advancement of knowledge in the area. The present study focused on the mapping of definitions of user involvement and comparisons of the different proposals of involvement levels for outlining a clear definition of the term, based on the levels of involvement, and contributing to the consolidation of the theory of user involvement in the field of architectural design.  Moreover, this research assists architects to find the most appropriate level of user involvement for the design they are developing, improving the practice of involving users in the design process.

scholarly journals Facade Design Process to Establish and Achieve Net Zero Carbon Building Targets

2021 ◽  
Vol 2069 (1) ◽  
pp. 012199
Author(s):  
Andrea Zani ◽  
Oluwateniola Ladipo ◽  
Antonio D’Aquilio ◽  
Carmelo Guido Galante ◽  
Matthew Tee ◽  
...  
Keyword(s):  
Building Materials ◽  
Energy Use ◽  
Embodied Energy ◽  
Design Development ◽  
Net Zero Energy ◽  
Net Zero ◽  
Operational Energy ◽  
Zero Carbon ◽  
Life Options ◽  
Energy Codes

Abstract As more stringent building energy codes and sustainability certification goals have become more prevalent in recent years, a focus for many building designers has been reducing the operational energy with the objective of reaching net-zero energy targets. More recently, as the efficiency in operational energy use has increased significantly, the focus is moving towards the environmental impact of building materials, primarily reflected in the embodied energy and emissions, and the potential (re)life options that allow circular material flows and reduced global warming potential. This paper investigates a methodology applied during early and advanced design development phases to assess and compare different façade typology carbon emissions. Embodied carbon is evaluated through Life Cycle Assessment (LCA) analysis, and operational carbon is analysed during the service life of the office building through energy simulation. Results show that overall carbon assessment of different facade solution can provide useful design feedback in the decision-making process.

scholarly journals A two family house built to passive house standard in the north of Sweden: environmental system performance

2017 ◽  
Author(s):  
Jonas Jonasson ◽  
Itai Danielski ◽  
Michelle Svensson ◽  
Morgan Fröling
Keyword(s):  
Energy Efficiency ◽  
Life Cycle Assessment ◽  
Life Cycle ◽  
Building Materials ◽  
Energy Use ◽  
Residential Building ◽  
Building Design ◽  
Energy System ◽  
Northern Sweden ◽  
Passive House

A life cycle assessment (LCA) of a low energy / passive house in northern Sweden, including building materials and energy use is reported. The case study building is semi detached house for two families situated in Östersund (lat. 63°N), Sweden. Each apartment having a floor space of 160 m2 divided on two floors. The building was constructed during 2010 with a design meeting the requirements for Swedish passive houses as defined by the Forum for energy efficiency buildings (FEBY) and the Swedish center for zero energy houses (SCNH). When it comes to more sustainable buildings, energy use in the build environment has been in focus for some time. The life cycle assessment in this study reveals that the building materials can contribute significantly to environmental burdens of a residential building in northern Sweden. Energy efficiency, efficient use of good building materials and issues of appropriate design need to be discussed in the same context to move toward a more sustainable built environment. For energy efficient buildings in a energy system with renewably based energy carriers, building materials might give rise to a significant or even dominating part of the life cycle impact of a building. This give rise to considerations regarding choices of building materials as well as design of buildings to minimize such impact; while not forgetting social aspects impacted by building design.

Identification of Barriers to PV Application Into the Building Design

Solar Energy ◽  
2003 ◽  
Author(s):  
Hatice Sozer ◽  
Mahjoub Elnimeiri
Keyword(s):  
Design Process ◽  
Building Material ◽  
Building Materials ◽  
New Technology ◽  
Building Design ◽  
Pv System ◽  
Technology Application ◽  
Building Process ◽  
Building Component ◽  
Definition Of

Even though there are a number of examples of BIPV, the concept of integration into the building and its design process have not yet been clearly defined. Lack of integration makes this new technology application expensive and very complex to implement. The challenge is how to make this new concept easily applicable and to spread this promising technology for users. In order for PV technology to be added effectively into the design process, full integration is essential. Full integration can be achieved when close interface develops between the PV System and the elements of the building design process. The design process is the spine that links the building from its inception all through its life cycle. The architects, along with the consultants and technical experts, are directly responsible for this process. PV has to be part of the building material and its building material properties have to be equivalent to other conventional building materials. PV has to fit into the building design process from the beginning. As a building component, it has to have certain standards and codes that will fit well within general building codes. This paper starts with the definition of the architectural building design process. It then continues with identifying the barriers that have direct effect on this process. These barriers are lack of interface (integration with typical building process), lack of common language, mismatched potential, unknown performance, and lack of economic analysis. The paper concludes by giving suggestions on how these barriers can be broken.

scholarly journals Comparing the Environmental Impact of Stabilisers for Unfired Earth Construction

2014 ◽  
Vol 600 ◽  
pp. 132-143 ◽  
Author(s):  
Daniel Maskell ◽  
Andrew Heath ◽  
Pete Walker
Keyword(s):  
Environmental Impact ◽  
Building Materials ◽  
Energy Savings ◽  
Low Cost ◽  
Low Energy ◽  
Embodied Energy ◽  
Greenhouse Gasses ◽  
Clay Bricks ◽  
Earth Construction ◽  
Energy Product

Buildings account for approximately one third of the total worldwide energy emissions, of which approximately a quarter can be attributed to the embodied energy of the building. Current UK legislation for low-energy homes is only concerned with operational energy. Embodied energy, and carbon, is not currently considered but over the design life of an average building is expected to make a significant contribution to the total whole life energy used. Earthen building materials contribute to reduce energy consumption in use through their passive regulation of temperature and humidity. In addition, there can also be significant embodied energy savings compared to other materials. Traditional methods of earthen construction, using locally sourced materials and manual labour require minimal energy for the transport and construction. A greater uptake of earth construction is likely to come from modern innovations such as industrialised manufacture. Extruded fired brick manufacturing processes has the potential to produce a high quality, low cost and low energy product suitable for the mainstream construction sector in both developed and developing nations. By not firing the extruded clay bricks, an embodied energy saving of 86% can be achieved, compared to fired clay, and 25% compared to concrete blocks. However, there are limitations to the structural use of unstabilised earth bricks due to the loss of strength under high moisture content conditions. The use of traditional and novel stabilisation methods can be adopted to address the concerns over strength and durability. Cement and lime are widely used in some countries, but both significantly increase material embodied energy and carbon and can inhibit passive humidity regulation. The paper presents results from a study of the embodied energy of various stabilisers used for unfired clay materials. The Global Warming Potential (GWP) is a measure of the equivalent carbon dioxide that allows for the relative weightings of damaging greenhouse gasses. Both the embodied energy and the GWP figures of various stabilisers are compared and discussed. The conclusion of the work is that there is a maximum quantity of stabiliser than should be used. Typically the quantities of stabiliser are quoted as the amount that gives the maximum strength, but this should take account of not only strength but the environmental impact of achieving the improvement.

scholarly journals Life Cycle Assessment as a Major Support Tool within Multi-Criteria Design Process of Single Dwellings Located in Poland

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3748
Author(s):  
Michał Pierzchalski ◽  
Elżbieta Dagny Ryńska ◽  
Arkadiusz Węglarz
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Design Process ◽  
Building Materials ◽  
Energy Levels ◽  
Minimum Cost ◽  
Embodied Energy ◽  
Management Tool ◽  
Single Family ◽  
Support Tool

Life cycle assessment is an environmental method which estimates either a process or a building material within the cradle-to-grave cycle. Presently, it is one of a few tools that include all factors which may influence the environment. The authors used this tool to prove effects connected with potential efficient energy levels and a reduction in CO2 emissions within a building’s life cycle. For the purpose of our analyses, several types of single-family building were chosen and they were subjected to analysis in the fixed location of Warsaw. The research scope included a numerical analysis of the buildings concerning the level of embodied energies and the emission of greenhouse gases. The performed analysis proved that, within a 50-year cycle, the difference between the embodied energy from the best and worst building choices can amount to 14.87%, whereas a reduction in embodied carbon emissions can reach 20.65%. Each change in the building’s form and the type of building materials used, regardless of the usable area, influence the environmental impact. Therefore, this paper concludes that LCA, as a management tool, should be used cyclically as part of each phase of the design process. A multi-criteria method for selecting architectural solutions was proposed which considered minimum cumulative primary energy, minimum cumulative carbon emission and minimum cost of constructing a building.

scholarly journals Embodied Energy versus Operational Energy. Showing the Shortcomings of the Energy Performance Building Directive (EPBD)

2012 ◽  
Vol 730-732 ◽  
pp. 587-591 ◽  
Author(s):  
F. Pacheco-Torgal ◽  
Joana Faria ◽  
Saíd Jalali
Keyword(s):  
Power Plants ◽  
Building Materials ◽  
Energy Use ◽  
Energy Savings ◽  
Energy Performance ◽  
Hot Water ◽  
Embodied Energy ◽  
Mineral Admixtures ◽  
High Efficient ◽  
Operational Energy

Energy is a key issue for Portugal, it is responsible for the higher part of its imports and since almost 30% of Portuguese energy is generated in power stations it is also responsible for high CO2 emissions. Between 1995 and 2005 Portuguese GNP rise 28%, however the imported energy in the same period increased 400%, from 1500 million to 5500 million dollars. As to the period between 2005 and 2007 the energy imports reach about 10,000 million dollars. Although recent and strong investments in renewable energy, Portugal continue to import energy and fossil fuels. This question is very relevant since a major part of the energy produced in Portugal is generated in power plants thus emitting greenhouse gases (GHGs). Therefore, investigations that could minimize energy use are needed. This paper presents a case study of a 97 apartment-type building (27.647 m2) located in Portugal, concerning both embodied energy as well as operational energy (heating, hot water, electricity). The operational energy was an average of 187,2 MJ/m2/yr and the embodied energy accounts for aprox. 2372 MJ/m2, representing just 25,3% of the former for a service life of 50 years. Since Portuguese energy efficiency building regulation made under the Energy Performance Building Directive (2002/91/EC-EPBD) will lead to a major decrease of operational energy this means that the energy required for the manufacturing of building materials could represent in a near future almost 400% of operational energy. Replacement up to 75% of Portland cement with mineral admixtures could allow energy savings needed to operate a very high efficient 97 apartment-type building during 50 years.

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