Commercial aquaponics systems remain a challenge independent of the country, fish, plant species, or system design type. Most aquaponics systems are made by hobbyists, with aquaponics not being the main source of income. As such, scholars and practitioners have long debated the real profitability of...
Introduction. In Norway, recommendations for the construction of basement walls changed in 2015. It is now recommended to use vapour-permeable thermal insulation on the exterior side of basement walls to increase outward drying. The dimpled membrane, traditionally positioned directly on the wall...
A former developed hardening accelerator for fly ash blended cement should be replaced with another formulation free from thiocyanate and preferentially with equal or better performance in terms of compressive strength. The 3rd component in the ternary accelerator consisting of 5 parts glycerol...
The first objective was to find out why a white clinker from previous studies has a higher strength potential than the other 3 clinkers tested in the same study, as well as finding out whether or not it contains other aluminate compounds than C3A. Clinker δ gives higher early strength than the...
Alternative binders are in this report defined as binders without Portland cement. In this particular project it will be based on calcined clay or fly ash as a source of reactive silica and alumina in combination with lime and calcium sulphate (e.g. gypsum) and/or calcium carbonate to stabilize...
This study focuses on ductility of lightweight aggregate concrete (LWAC) in compression. The major disadvantage of LWAC is the brittleness in compression at the material level compared to normal density concrete. Requirements for energy absorption and/or a controlled behaviour after peak load may...
Phase 1: The basic physio-chemical properties of eight crude oils from the Statfjord oil field have been screened. Based on an overall evaluation of the results, two of the Statfjord crude oils were further selected to extend with a bench-scale weathering study (Phase 2). Phase2: A standardized...
The objective is to study the parameters of cements and fly ashes in combination with limestone that would optimize the synergistic chemical reaction between fly ash and limestone that leads to more bound water and thereby less porosity and higher compressive strength. Most notably this will be the...
