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3In 2015 and 2016, Saxion University of Applied Sciences organized the 2nd and 3rd edition of the Regional Innovation and Entrepreneurship Conference (RIEC).The Building challenge is a new education model in which students work in mixed international teams on a real assignment, in order to use the different approaches of architecture and construction in different cultures to come up with new creative ideas for renovation of the built environment.
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WHITE PAPER: Five Essentials For Successful Circular Bio-Based Construction Initiatives This first publication of the CBCI project (Circular Bio-based Construction Industry) is a practical guide aimed at real estate professionals, (public) property owners and developers. This White Paper will discuss some of the challenges surrounding bio-based and circularity such as; price competition from virgin material alternatives, confidence in quality, hazardous material substance (when reusing in a circular context), lack of existing building data as well as the time delay between building and deconstruction. Next to this, the White Paper aims to illustrate how one could be more successful at taking circular and bio-based construction initiatives. The learnings from interviews and desk research are put together in five essentials, which are explained and illustrated by insights, exemplary projects (case studies) and readily applicable solutions. These five essentials form the outline of this White Paper: 1. AFFORDABLE cost-effective & inclusive reuse, 2. FLEXIBLE prepare for future functions, 3. PASSIVE stay cool & healthy with bio-based materials, 4. INTEGRAL continuously reflect on circular bio-based benefits & 5. TRADITIONAL OWNERSHIP keep it, simple. The thirteen exemplary cases explored for the creation of this White Paper show that it is possible to adopt circular and bio-based construction initiatives. However, it is not always easy and requires perseverance as well as leadership. Therefore, the five essentials and cases in this white paper can be used as inspiration and could help real estate professionals, property owners, developers and other interested parties in the construction sector to realise affordable and feasible circular bio-based constructions. By focusing on the essentials, one could prevent valuable resources (including energy) going to waste, today and in the future.
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In recent years, a step change has been seen in the rate of adoption of Industry 4.0 technologies by manufacturers and industrial organizations alike. This article discusses the current state of the art in the adoption of Industry 4.0 technologies within the construction industry. Increasing complexity in onsite construction projects coupled with the need for higher productivity is leading to increased interest in the potential use of Industry 4.0 technologies. This article discusses the relevance of the following key Industry 4.0 technologies to construction: data analytics and artificial intelligence, robotics and automation, building information management, sensors and wearables, digital twin, and industrial connectivity. Industrial connectivity is a key aspect as it ensures that all Industry 4.0 technologies are interconnected allowing the full benefits to be realized. This article also presents a research agenda for the adoption of Industry 4.0 technologies within the construction sector, a three-phase use of intelligent assets from the point of manufacture up to after build, and a four-staged R&D process for the implementation of smart wearables in a digital enhanced construction site.
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This first publication of the CBCI project (Circular Bio-based Construction Industry) is a practical guide aimed at real estate professionals, (public) property owners and developers. This White Paper will discuss some of the challenges surrounding bio-based and circularity such as; price competition from virgin material alternatives, confidence in quality, hazardous material substance (when reusing in a circular context), lack of existing building data as well as the time delay between building and deconstruction. Next to this, the White Paper aims to illustrate how one could be more successful at taking circular and bio-based construction initiatives. The learnings from interviews and desk research are put together in five essentials, which are explained and illustrated by insights, exemplary projects (case studies) and readily applicable solutions. These five essentials form the outline of this White Paper: 1. AFFORDABLE cost-effective & inclusive reuse, 2. FLEXIBLE prepare for future functions, 3. PASSIVE stay cool & healthy with bio-based materials, 4. INTEGRAL continuously reflect on circular bio-based benefits & 5. TRADITIONAL OWNERSHIP keep it, simple. The thirteen exemplary cases explored for the creation of this White Paper show that it is possible to adopt circular and bio-based construction initiatives. However, it is not always easy and requires perseverance as well as leadership. Therefore, the five essentials and cases in this white paper can be used as inspiration and could help real estate professionals, property owners, developers and other interested parties in the construction sector to realise affordable and feasible circular bio-based constructions. By focusing on the essentials, one could prevent valuable resources (including energy) going to waste, today and in the future.
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From a circular standpoint it is interesting to reuse as much as possible construction and demolition waste (CDW) into new building projects. In most cases CDW will not be directly reusable and will need to be processed and stored first. In order to turn this into a successful business case CDW will need to be reused on a large scale. In this paper we present the concept of a centralized and coordinated location in the City of Utrecht where construction and demolition waste is collected, sorted, worked, stored for reuse, or shipped elsewhere for further processing in renewed materials. This has expected advantages for the amount of material reuse, financial advantages for firms and clients, generating employability in the logistics and processing of materials, optimizing the transport and distribution of materials through the city, and thus the reduction of emissions and congestion. In the paper we explore the local facility of a Circular Hub, and the potential effects on circular reuse, and other effects within the City of Utrecht.
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The growth in urban population and economic upturn
is leading to higher demand for construction, repair
and renovation works in cities. Houses, public utilities,
retail spaces, offices and infrastructure need to
adapt to cope with the increasing number of residents
and visitors, urban functions and changing standards.
Construction projects contribute to more attractive,
sustainable and economically viable urban areas once
they are finished. However, transport activities related
to construction works have negative impacts on the
surrounding community if not handled appropriately.
It is estimated that 15 to 20 percent of heavy goods
vehicles in cities are related to construction, and 30
to 40 percent of light commercial vans [1]. In the cities
studied in the CIVIC project, construction-related
transport was found to be one of the biggest challenges
to improving sustainability. Smarter, cleaner and safer
construction logistics solutions in urban areas are
needed for environmental, societal and economic
reasons. However, in many European cities and metropolitan
areas the sense of urgency is not evident or a
lack of knowledge is creating passivity.
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In the housing market enormous challenges exist for the retrofitting of existing housing in combination with the ambition to realize new environmentally friendly and affordable dwellings. Bio-based building materials offer the possibility to use renewable resources in building and construction. The efficient use of bio-based building materials is desirable due to several potential advantages related to environmental and economic aspects e.g. CO2 fixation and additional value. The potential biodegradability of biomaterials however demands also in-novative solutions to avoid e.g. the use of environmental harmful substances. It is essential to use balanced technological solutions, which consider aspects like service life or technical per-formance as well as environmental aspects. Circular economy and biodiversity also play an im-portant role in these concepts and potential production chains. Other questions arise considering the interaction with other large biomass users e.g. food production. What will be the impact if we use more bio-based building materials with regard to biodiversity and resource availability? Does this create opportunities or risks for the increasing use of bio-based building materials or does intelligent use of biomass in building materials offer the possibility to apply still unused (bio) resources and use them as a carbon sink? Potential routes of intelligent usage of biomass as well as potential risks and disadvantages are highlighted and discussed in relation to resource efficiency and decoupling concept(s).
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Dealing with and maintaining high-quality standards in the design and construction phases is challenging, especially for on-site construction. Issues like improper implementation of building components and poor communication can widen the gap between design specifications and actual conditions. To prevent this, particularly for energy-efficient buildings, it is vital to develop resilient, sustainable strategies. These should optimize resource use, minimize environmental impact, and enhance livability, contributing to carbon neutrality by 2050 and climate change mitigation. Traditional post-occupancy evaluations, which identify defects after construction, are impractical for addressing energy performance gaps. A new, real-time inspection approach is necessary throughout the construction process. This paper suggests an innovative guideline for prefabricated buildings, emphasizing digital ‘self-instruction’ and ‘self-inspection’. These procedures ensure activities impacting quality adhere to specific instructions, drawings, and 3D models, incorporating the relevant acceptance criteria to verify completion. This methodology, promoting alignment with planned energy-efficient features, is supported by BIM-based software and Augmented Reality (AR) tools, embodying Industry 4.0 principles. BIM (Building Information Modeling) and AR bridge the gap between virtual design and actual construction, improving stakeholder communication and enabling real-time monitoring and adjustments. This integration fosters accuracy and efficiency, which are key for energy-efficient and nearly zero-energy buildings, marking a shift towards a more precise, collaborative, and environmentally sensible construction industry.
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From the article: Abstract. This exploratory and conceptual article sets out to research what arguments and possibilities for experimentation in construction exists and if experimentation can contribute towards more innovative construction as a whole. Traditional, -western- construction is very conservative and regional, often following a traditional and linear design process, which focuses on front-loaded cost savings and repetitive efficiency, rather than securing market position through innovation. Thus becoming a hindrance for the development of the sector as a whole. Exploring the effects of using the, in other design-sectors commonly and successfully practiced, “four-phased iterative method” in architectural construction could be the start of transforming the conservative construction industry towards a more innovative construction industry. The goal of this research is to find whether the proposed strategy would indeed result in a higher learning curve and more innovation during the - architectural- process. Preliminary research indicates that there is argumentation for a more experimental approach to construction.
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A large share of urban freight in cities is related to construction works. Construction is required to create attractive, sustainable and economically viable cities. When activities at and around construction sites are not managed effectively, they can have a negative impact on the cities liveability. Construction companies implementing logistics concepts show a reduction of logistic costs, less congestion around the sites and improved productivity and safety. The client initially sets the ‘ground rules’ for construction in the tendering process. This paper explores how tendering for construction projects can support sustainable urban construction logistics. We explore the potential for tendering construction projects, by both public and private clients, for sustainable urban construction logistics and we present a conceptual framework for specifying ‘logistics quality’ as a quality criterion for EMAT (Economically Most Advantageous Tender). Our exploration results in questions for further research in tendering for sustainable urban construction logistics.
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