This paper reviews digital tools for supporting the Circular Economy (CE) in built environment. The study provides a bibliometric analysis and focuses on computer-aided design (CAD), building information modeling (BIM), computational plugins that can be used by practitioners. While Life Cycle Assessment (LCA) is primary methodology evaluating buildings' environmental performance, identifies beyond LCA, including methods circularity indicators, support evaluation of circular strategies. Our...

Due to urbanization and growing density in cities the past century, metrics were introduced assess daylight performance such as minimum sunlight hours factor. The paper initially explores shortcomings of early-stage evaluation methods. A novel methodology called Sunlight Autonomy (SA) is proposed for evaluating buildings. SA based on "Exposure sunlight" criteria EN 170307 "Daylight Buildings," where a computational method used specified day. concept expands analysis temporally over entire...

Concrete is the most used construction material, accounting for 8 % of global CO2 emissions. Various strategies aim to reduce concrete's embodied carbon, such as using supplementary cementitious materials, utilizing cleaner energy, and carbonation. However, a large potential lies in reusing concrete new buildings Circular Economy, thereby closing material loops avoiding This study focuses on reuse precast elements. We present digital workflow assessing by predicting remaining service life,...

In recent years, there has been a growing interest in adopting circular approaches the built environment, specifically reusing existing buildings or their components new projects.To achieve this, drawings, laser scanning, photogrammetry and other techniques are used to capture data on materials.Although previous studies have explored scan-to-BIM workflows, automation of 2D drawings 3D models, machine learning for identifying building materials, significant gap remains refining this into...

Tracking of building components can be instrumental in reuse for a Circular Economy. technologies (TT) used to identify and access information decision-making from deconstruction design reuse. Prior research has mainly been concerned with single technologies, limited life cycle applicability new construction. This study aims explore the potential combining multiple such as QR codes, NFC, Bluetooth tags, BIM support along cycles prefabricated concrete components. The benefits limitations...

Nowadays, the Digital Twin (DT) concept is one of most talked-about topics in building sector. Previous research has addressed both definition DT and development applications for specific purposes, such as facility asset management, built environment performance monitoring etc. However, specificity reduces its replicability understanding. This results spread confusion when approaching concepts. For this reason, study explores how DTs can be effectively used educational purposes. The methods...

Abstract Concrete production contributes to around 8-9% of global CO 2 emissions. Reusing building components in a circular economy can contribute closing material loops and lowering When reusing concrete elements, it is necessary have effective methods for evaluating their reuse potential. In this study, novel digital workflow developed support the precast elements by lifespan based on carbonation depth. The relies automated retrieval quantities information from model. This model then...

This study proposes a concept and workflow for solar, context-adaptive reusable facades. Integrating solar control with parametric facade design, the uses radiation to inform modules variable openness or properties (e.g. frit cover), enabling envelopes adapt urban context changes while promoting circularity. The method was tested through simulations, assessing daylight, glare, energy circularity in changing scenarios. A Solar Circularity Indicator (SCI) introduced track façade alterations...

This paper investigates novel computational methods for Regenerative Design by developing further on the European Daylight Standard EN 17037, to make it useful at both urban and architectural scales. Case studies are evaluated sunlight, daylight quality views. A method, compliant with is introduced evaluation of sunlight. An assessment metrics, an office building in Helsinki, a 300 lux target, demonstrates 12% difference between spatial Autonomy (sDA; occupied hours) Illuminance levels (EN...

Abstract Addition of fly ash or GGBS in concrete has shown to increase the durability and thus service life structures exposed chlorides. Currently, relies on regulations, which beside a minimum cover thickness also put constraint amount type SCM different environments. Swedish regulations do not, however, consider actual binders. As consequence, LCA might be misleading. This paper investigates climate impact with chloride environment. Current prescriptive design approach is compared...

Vacuum insulation panels provide unprecedented possibilities for renovating the existing building stock in a manner that reduces thermal losses through envelope. This study is focused on implementation of VIPs (vacuum panels) energy retrofit projects with rendered outer walls. Particular emphasis put reducing bridges due to mechanical fasteners and at joints panels. These are evaluated parametric impact conductivity adjacent layer as well material fasteners. The carried out 3D FEM (finite...