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Topic Review
Earthquake Consideration in Architectural Design: Guidelines for Architects
The need for architects and engineers to take earthquake resilience into account in their designs is becoming increasingly critical as urbanization keeps growing and more people move into earthquake-prone areas. Architectural earthquake-resistant designs are necessary to protect building integrity and occupant safety during seismic disasters.
  • 1.2K
  • 21 Sep 2023
Topic Review
Earthquake Early Warning
Earthquake early warning (EEW) systems have been rapidly developing as a result of the development of information technology. EEW systems are able to analyze ground motions in real time and provide alerts before the onset of the destructive seismic waves at specific targets. EEW systems can be divided into on-site, regional, and hybrid EEW systems. In regional EEW systems, a sequence of streams from different stations  are analyzed at a central hub through a “picking” algorithm that is able to detect P-wave onsets in the seismic traces of multiple stations, and then use this information for earthquake localization and event declaration. On the contrary, an on-site EEW system is based on sensors installed near a target to monitor, where an intensity estimation is produced based on the initial P-wave detection at the target. Lastly, these two approaches are combined in a hybrid EEW system. Early alarm dissemination and source localization through EEW systems might allow the end-users of these system to take precautionary measures, aid disaster responders, and automate safety measures in certain scenarios, with important benefits in terms of risk reduction, first response, and disaster management.
  • 339
  • 26 Oct 2023
Topic Review
Earthquake Early Warning Systems
An Earthquake Early Warning Systems (EEWS) is the combination of different elements, such as seismometers, sensors, communication appliances, computers, and alarm systems, able to detect and warm of the arrival of seismic waves. It serves to mitigate damages and losses , to be used primarily in moderate and high seismically active regions.  
  • 3.2K
  • 25 Feb 2021
Topic Review
Earthquake Reconnaissance Data
Earthquakes are one of the most catastrophic natural phenomena. After an earthquake, earthquake reconnaissance enables effective recovery by collecting data on building damage and other impacts. This paper aims to identify state-of-the-art data sources for building damage assessment and provide guidance for more efficient data collection. We have reviewed 39 articles that indicate the sources used by different authors to collect data related to damage and post-disaster recovery progress after earthquakes between 2014 and 2021. The current data collection methods have been grouped into seven categories: fieldwork or ground surveys, omnidirectional imagery (OD), terrestrial laser scanning (TLS), remote sensing (RS), crowdsourcing platforms, social media (SM) and closed-circuit television videos (CCTV). The selection of a particular data source or collection technique for earthquake reconnaissance includes different criteria depending on what questions are to be answered by these data. We conclude that modern reconnaissance missions cannot rely on a single data source. Different data sources should complement each other, validate collected data or systematically quantify the damage. The recent increase in the number of crowdsourcing and SM platforms used to source earthquake reconnaissance data demonstrates that this is likely to become an increasingly important data source.
  • 623
  • 28 Mar 2022
Topic Review
Earthworks Using Audio-Visual and Location-Sensing Technology
During earthworks, monitoring and controlling the actual productivity of construction machines enables insight into the progress of tasks, calculation of expected duration and costs, favorable use and allocation of machines, and the application of appropriate decisions and corrective measures, which is of great interest to contractors. Excavators and tipper trucks are primarily used in earthworks. Manual collection of data from the construction site to assess the actual productivity of machines is today considered an outdated, time-consuming, and subjective method.
  • 273
  • 29 Aug 2023
Topic Review
Echelle Grating Spectroscopic Technology Application
Echelle grating provides high spectral resolving power and diffraction efficiency in a broadband wavelength range by the Littrow mode. The spectrometer with the cross-dispersed echelle scheme has seen remarkable growth in recent decades. Rather than the conventional approach with common blazed grating, the cross-dispersed echelle scheme achieves the two-dimensional spatial distribution of the spectrum by one exposure without scanning in the broadband spectral range. It is the fastest and most sensitive spectroscopic technology as of now, and it has been extensively applied in commercial and astronomical spectrometers.
  • 601
  • 10 Nov 2022
Topic Review
ECM decellularization methods
The extracellular matrix (ECM) is a complex network with multiple functions, including specific functions during tissue regeneration. Precisely, the properties of the ECM have been thoroughly used in tissue engineering and regenerative medicine research, aiming to restore the function of damaged or dysfunctional tissues. Tissue decellularization is gaining momentum as a technique to obtain potentially implantable decellularized extracellular matrix (dECM) with well-preserved key components. Interestingly, the tissue-specific dECM is becoming a feasible option to carry out regenerative medicine research, with multiple advantages compared to other approaches. We recently published an overview of the most common methods used to obtain the dECM from specific tissues[1]. Here we provide a summary from that report as a helpful guide for future research development.
  • 2.9K
  • 25 Aug 2020
Topic Review
Eco-Driving
Eco-driving is a multidimensional concept that includes driving behavior, route selection and all other choices or behaviors related to the vehicles’ fuel consumption (e.g., the use of quality fuel, the use of air conditioning, driving at peak hours, etc.).
  • 3.0K
  • 21 Jan 2021
Topic Review
Eco-efficiency
The term eco-efficiency was first proposed in 1990 by Schaltegger and Sturm. However, it was in 1991 that the World Business Council for Sustainable Development (WBCSD) was responsible for introducing one of the main concepts of eco-efficiency to the world. The term was defined as the delivery of economically competitive goods and services that meet the needs of society in terms of quality of life and that the entire process of manufacturing and availability for consumption, that is, throughout its life cycle, should have the least possible impact on the environment.
  • 2.2K
  • 13 Dec 2021
Topic Review
Eco-Friendly Geopolymer Composites Prepared from Agro-Industrial Wastes
Portland cement (PC) is a common material used in civil infrastructure engineering. Cement production emits roughly 2.2 billion tons of CO2 per year, contributing 8% of global emissions in 2016. This contributes to almost half of the calcination process, and together with thermal combustion, clinker generation could be responsible for 90% of the sector’s emissions. One effective technique for dealing with these industrial by-product wastes is to employ them to make cement replacements such as concrete and mortar, which can be used in a variety of applications.
  • 301
  • 05 Jun 2023
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