In addition to the constraints on water availability caused by climatic factors, many urban areas face demographic and pollution phenomena that can affect the efficient supply of water to the population. Therefore, it is increasingly important to implement water efficiency measures, such as reducing consumption by installing water-efficient devices (e.g., taps, showers, and flushing cisterns), without neglectin...
This research is focused on the water usage patterns in two student residences—one for male students (Residence I) and the other for female students (Residence II). Surveys and measurements of flushing cisterns, taps, and shower flows were conducted to understand water use behaviors. Scenario 1 proposed replacing washbasin and kitchen taps and installing flow reducers in showers, while Scenario 2 combined Scena...
This study presents the preliminary results of the “HydroSAAP” innovation project, promoted by a Higher Education Institution in the northeast of Portugal, and ongoing since May 2023. It aims to improve the management of water consumption in a student residence, while promoting technical and scientific knowledge about rainwater harvesting systems, still little explored in Portugal. The project phases are: (1) i...
Almond (AS) and walnut shells (WS) have attracted the interest of scientific community due to the possibility of developing innovative eco-friendly materials. This work aims to analyze the chemical characteristics of AS, WS, a residual granitic soil (RGS) and two mix-tures of waste:soil (10:90% and 40:60%) for evaluating their compatibility for earthworks application. Results show that both wastes could be inco...
Given the high annual water consumption for non-potable uses (1112.08 m(3), 65%) of an industrial building with a large roof area (4638 m(2)) located in the Northeast of Portugal, this study aims to evaluate the technical and financial feasibility of a rainwater harvesting system for these uses, considering the existing conventional roof (scenario 1) and adapting a green roof to the existing roof (scenario 2). ...
O presente trabalho analisa o ciclo urbano da água no concelho de Bragança. São também sugeridas ações e medidas que promovam reduções no consumo de água. Grande parte da água que abastece o concelho é proveniente da albufeira de Serra Serrada, localizada no Parque Natural de Montesinho. Verificou-se que a média de consumo de água é de 95,5 m3/(habitante.ano), resultando assim em 262 L/(habitante.dia). É assim,...
This study aimed to determine the water demand of a Municipal Market building to propose water use efficiency measures. The flushing cisterns have the highest water consumption (63.15%), followed by washbasins, restaurant and coffee shop taps, and hairdresser's showerhead (31.64%). Therefore, the implementation of two main categories of solutions: reducing water consumption through the adoption of efficient dev...
Os resíduos agroindustriais têm sido investigados para aplicações de engenharia devido à sua elevada produção e ausência de valorização adequada face aos requisitos legais e de políticas e metas de sustentabilidade. O estudo das caraterísticas das cascas de amêndoas (CA) e nozes (CN) têm suscitado interesse na comunidade científica para desenvolver materiais alternativos e inovadores, com design sustentável, em...
Este estudo tem como objetivo analisar a influência que o uso de coberturas verdes (CV) em relação ao uso de coberturas convencionais tem no dimensionamento hidráulico de uma rede pública de drenagem de águas pluviais de um loteamento urbano, e o seu contributo para uma drenagem urbana mais sustentável.
In the face of excessive soil sealing and the occurrence of heavy rainfall in short time periods leading to flooding, it is becoming increasingly urgent to implement public resilient stormwater drainage systems. Green roofs have several advantages at different levels, of which this paper highlights the ability to retain rainwater, to reduce problems with flooding in peaks of rainfall, and to increase in urban g...