Among nature-based solutions (NBSs), green walls represent a key technology in the urban context because of the low energy demand and of the many ecological and social outcomes. This work presents the results of the experimental study at laboratory scale of the treatment of greywater (e.g. domestic wastewater excluding toilet flushes) through a green wall. It is made of two modular panels (1-set up for...
It is well known that climatic factors can influence the degradation of rocks in different geographic environments, thus affecting the durability of natural construction materials. Research has been carried out to assess the current state of natural degradation of an Oligocene-Miocene lithic greywacke occurring without appreciable lithological and mineralogical variations from, NW to SE in Tuscany (northern...
The residual presence of critical components (e.g. Asbestos Containing Materials – ACMs) still represents one of the main criticalities for the Occupational Safety and Health – OS&H in many large public facilities. The very first step for an effective Risk Assessment and Management is obviously a clear definition of the different approaches, complying with the Italian general and special OS&H...
Indoor Air Quality (IAQ) is related to human health and well-being since people spend most of their working and free time in interior spaces. As stated by the World Health Organization (WHO), once complying with normative Occupational Safety and Health (OS&H) limits, more elevated standards of air quality both in productive and non-industrial workplaces should be guaranteed. In this case study –...
The building sector is considered strategic to reach new scenarios for a low-carbon society. Beside this awareness, in the current trend there is not a real change to achieve targets set in terms of emissions containment defined by international agreements. Through an econometric model based on Choice Experiments, the present study aims to understand the individuals’ perceptions towards energy retrofit...
The inflow into aquifers of transition metals leached from muck disposed in quarries is a process that requires a detailed analysis in the framework of the environmental impact studies of dump sites. It is important to thoroughly examine the risks of potential contamination of pre-existing groundwater wells and, more in general, to assess the risk of qualitative deterioration of nearby shallow aquifers....
Pulp and paper mills are characterized by emissions of malodorous gases that commonly create discomfort for people, also in little concentration in the air. This issue is crucial for enterprises that are not actually using the best available technology for reducing non-condensable gases. Thereby, for existing enterprises, it is very important to realize the proper suitable upgrading by choosing the best...
The paper presents the results of an experimental campaign carried out at the Sasso Poiano mine, close to Varese, northern Italy. The area is near a historic site, inhabited villages and a well-known lake, so that the use of explosive is subject to severe restrictions imposed by Italian standards. The exploitation is therefore carried out by blasting with low specific charge (PF=50 g/m3) in order to obtain...
Photogrammetric and remote sensing techniques are increasingly getting used in precision agriculture to improve monitoring and management of the crops and at the same time to increase the crop yield and reduce the environmental impacts derived from the treatments. The entire production sector can benefit from the advance in technologies and the development of lightweight sensors for UAV (uncrewed aerial...
This paper presents a quick and multiparametric method for shallow landslides susceptibility and hazard zoning, based on the principles of the Rock Engineering System (RES). The implementation of this methodology is achieved through the identification of the most sensitive triggering parameters and the study of their interrelationships. An interaction matrix is used to define a susceptibility index. The...
Rockfall net fences are multicomponent protection devices for mitigating rockfall hazard. As passive measures, they are used to intercept and stop rock blocks propagation after their detachment from a cliff or a slope. During their design working life, net fences subjected to ageing phenomena, corrosion and impact loads, causing their efficiency loss or even their effectiveness. A multi-matricial procedure...
The rapid development of the mechanized tunneling in current decades has raised serious concerns about the environmental impact of large quantities of the muck. EPB-TBMs require the use of foaming agents for optimizing the soil conditioning. These agents could contain some chemicals (e.g., sodium lauryl ether sulfate – SLES) that are not included in the current legislation at the Italian or EU level....
This paper concerns the evolution of the quality of the groundwater bodies over space and time, with special focus on nitrate. This case study deals with the qualitative status in alluvial-pyroclastic groundwater bodies located near Naples (southern Italy). The study is based on a significant hydrochemical database, gathered through: (i) groundwater sampling and water level monitoring, (ii) chemical...
The Lombard territory (Italy), characterized by a historical process of industrialization, is affected by significant contamination both of the ground and of the groundwater. The continuous development of urban areas needs to face the problem linked to the growing presence of portions of the territory where there is the presence of contaminated groundwater (mainly chlorinated solvents and hydrocarbons),...
Deep aquifers represent a strategic resource because of their quality, generally better than rivers and shallow aquifers. More specifically, in Piedmont Region (Italy) they represent a key source of drinking water and therefore must be protected from qualitative and quantitative degradation.
In...
Extractive waste (EW) from abandoned mines can pose serious pressure to natural water systems. The harmful effects of EW such as deterioration of water sources by allowing leaching of potentially toxic elements (PTE) into groundwater make it necessary to carry out careful, scientific and comprehensive studies on this subject. The present research used risk analysis approach to study the effect of presence...
Geothermal Energy, being a clean and sustainable source of energy, is gaining importance worldwide due to various reasons. Geothermal power can be generated throughout the year on twenty four hour basis as it’s not much dependent on ambient temperature and weather conditions. Recently there is an increased interest in exploitation of low enthalpy geothermal resources for other applications such as geothermal space heating...
The residual presence of critical components (e.g. Asbestos Containing Materials – ACMs) still represents one of the main criticalities for the Occupational Safety and Health – OS&H in many large public facilities (Lee and Van Orden, 2007).
Since...
The role of working spaces in workers’ safety is often neglected and reduced to the building final inspection report. Nevertheless plenty of dangers are originated by the building environment surrounding the working activity: wear and obsolescence of building elements, failure mends and vandalism make the original compliancy fade away. The investigation on the real condition of the rooms where work...
Authors propose a critical overview of the current issues related to the evolution of the role of supervision and of Justice in the OS&H field.
Technological innovations and new risks are affecting the occupational health and safety of workplaces.
In Italy, employers protect themselves with two main insurance coverages: the compulsory Inail (Istituto nazionale per l’assicurazione contro gli...
When major accident scenarios are considered, the effects of major events which give rise to a serious, immediate or deferred danger to human health or the environment, inside or outside the production or storage area due to the presence in high quantities of one or more dangerous substances are being considered. Events of this type, except in exceptional cases, have always had important consequences...
With the beginning of the so called fourth industrial revolution and thanks to the diffusion of new technologies (digital and non-digital), industry is experiencing a deep transformation of those mechanisms through which value, innovation and wealth were historically created. The fourth industrial revolution, which was made possible by the availability of low cost sensors and connections, goes together...
The availability and accessibility of new technologies is also transforming the world of underground construction sites, where applications developed in the mining industry are rapidly spreading.
Many of these have positive repercussions for safety and...
A global overview of the technologies that can be applied for modern tunnelling construction taking into account the OS&H aspects is shortly presented in the paper.
Nowadays, occupational exposure to airborne dust is still one of the most concerning problems our society should face, since both airborne dust is a common pollutant in almost all the NACE sectors activities, and the occupational exposure quantification is critical. One of the possible causes can be identified in determining the real conditions of dust pollution in the workplaces, attributable to the...
Description of the material. In this paper a novel methodology for the estimation of the formation permeability, based on the integration of resistivity modeling and near wellbore modeling, is presented. Results obtained from the application to a real case is shown and discussed. The well log interpretation process provides a reliable estimation of the main petrophysical parameters such as porosity, fluid...
The wide spreading of vertical greening systems brought to the development of new systems and technologies able to improve urban areas quality. Several benefits derive from the installation of these systems: energy savings for air conditioning during summer, thermal comfort improvement indoor and outdoor, urban heat island mitigation, biodiversity increase, protection of building façades with consequent...
Zandobbio Marble is a crystalline dolomite produced in an open pit quarry near Bergamo, Nord Italy. This ornamental stone was already used during the Roman age. For many years the quarry was inactive, until 2006 when it was re-opened. Local law on quarries requires the elaboration of an exploitation plan: its objective, and in general the objective of the environmental assessment, is to identify areas...
The complex system of road infrastructures of a country plays a fundamental role both on the economy and on the development of the territory and on the management of accident scenarios that occur as a result of natural disasters. It is therefore essential to assess the vulnerability of the infrastructural network to natural and man-made risk factors in order to identify any critical issues and plan improvements...
The interaction between tunnels and underground water is a complex topic and it is of great relevance taking into account the environment, the protection of drinkable water and the interference with tunnel construction method. Due to the great importance of the topic, in the following are presented and discussed the most relevant technologies for water management in tunnelling with a specific attention...
The aim of this study is to investigate the possible correlation between the value of occupational risk from whole body vibrations and the main anthropometric characteristics of the subjects exposed to such vibrations. Directive 2002/44/EC, which defines the minimum requirements in order to guarantee the health and safety of workers exposed to such a risk, states that Risk Assessment may be conducted...
The adoption of reinforced embankments for rockfall and landslide protection purposes is an effective intervention for the reduction of risk and damages to civil facilities. These earth structures are manufactured with layers of compacted soil alternated with geosynthetics (e.g. geogrids and geotextiles) that are anchored to the outer quarterdeck frame or wrapped around it. This paper discusses the results...
The majority of rural areas in developing countries live in a state of chronic emergency, due for the most part to the lack of sanitary assistance and food. Covid-19 aggravates this situation, complicating the action of International Cooperation in these countries. To this extent, the case study of the Nosy Mitsio island (Madagascar) is presented. The partnership between H4O, Kukula and Politecnico di...
In residential buildings, drinking water is often used for tasks that do not necessarily require high quality water, such as home-garden irrigation. Our research focuses on the idea of harvesting rainwater to promote sustainable management of low-quality water resources on a building scale for irrigation purposes. The effectiveness of a collection system depends on the weather conditions, which determine...