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Hydraulic test is one of the most common methods to determine the in situ stress conditions in the rock mass, especially at great depth, where the test locations are accessible by drillholes only. This paper discusses the hydraulic fracturing of intact rock (HF) and hydraulic test on pre-existing...

Electrification is the main approach for decarbonizing buildings’ heating supply, which is still dominated by the use of fossil fuels. However, electrification using inefficient heating technologies and without improvements in buildings’ energy efficiency can considerably increase the strain on the...

To enhance Situation Awareness (SA) in the context of autonomous ship navigation within a complex navigation environment, the Advanced Ship Predictor (ASP) is proposed as a solution framework aimed at predicting ship maneuvers. This can be used to identify potential ship close encounters and...

In recent decades, attention has increased to investigating energy-related occupant behavior and everyday practices to contribute to bridging buildings’ well-known energy performance gap. Understanding some of the mechanisms behind this gap, such as, the energy-related decisions and/or shared...

Modern heating, ventilation, and air conditioning (HVAC) systems are complex, interconnected systems optimised to be energy efficient. Damper-optimised demand-controlled ventilation systems (DCV) minimise energy consumption by using a dedicated control unit that calculates the optimal fan speed...

The goal of the City of Oslo is that building and construction activities in Oslo shall be zero emission by 2030. From 2025, building and construction work carried out on assignment for the City of Oslo shall be zero emission. This impact assessment is based on quantitative analysis of energy and...

A major contributor to global greenhouse gas emissions is the production of concrete and steel for the construction industry. This report presents a comparison of the life cycle GHG impact of a concrete and steel load-bearing structure with a wood load-bearing alternative. The basis for the...

Er bokvaliteten på norske asylmottak god nok, hvordan påvirker den asylsøkernes livskvalitet, hvilke organisatoriske grep kan gi forbedring? Gjennom casestudier av utvalgte asylmottak, befaringer og bilder gir denne rapporten eksempler på sammenhenger mellom fysiske omgivelser, asylsøkeres...

The ventilation airflow rates in a demand-controlled ventilation strategy typically vary between a base (Vmin) and a maximum ventilation rate (Vmax). Classrooms have relatively short but intense hours of occupancy and a low Vmin can result in high energy savings. Our study aims to examine how...