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Topic Review
Building Safety Management System Based on Digital Technology
The scale of human accidents and the resultant damage has increased due to recent large-scale urban (building) fires, meaning there is a need to devise an effective strategy for urban disasters. In the event of a fire, it is difficult to evacuate in the early stages due to the loss of detection function, difficulty in securing visibility, and confusion over evacuation routes. Accordingly, for rapid evacuation and rescue, it is necessary to build a city-level fire safety service and digital system based on smart technology. In addition, both forest and building fires emit a large amount of carbon dioxide, which is the main cause of global warming.
  • 307
  • 22 Dec 2023
Topic Review
Buildings' Circular Refurbishment to Operationalize Circular Economy Policies
The current policies aimed at promoting the decarbonization of existing buildings under the principles of the circular economy are in need of practical measures tailored to local conditions to increase their effectiveness. The lack of standard practices for assessing buildings’ refurbishment strategies toward energy efficiency and CE principles reflects this reality. To tackle this issue, a new framework for refurbishing circular buildings, is proposed in this paper, based on circular procurement and incorporating a lifecycle perspective. This framework articulates a dialogue between local authorities and private stakeholders through a set of steps that encompass building mapping, selective disassembly, (re)design, and (re)build practices, providing opportunities to implement policy-based incentives.
  • 527
  • 25 Dec 2023
Topic Review
Buildings’ Sustainability after COVID-19
The concept of sustainability, or sustainable development, was introduced in 1987 through the UN Brundtland Report, in which it is defined as "development that meets the needs of the present without compromising the ability of future generations to meet their own needs". The link between COVID-19 and sustainability is made up of a variety of psycho-sociological and perceptual aspects, such as the fact that the occupancy pattern of buildings is one of the determining factors in assessing the energy performance and sustainability of buildings.
  • 453
  • 26 Feb 2024
Topic Review
Built Environment Factors and Residential Land Carbon Emissions
Evaluating the effects of built environment factors (BEF) on residential land carbon emissions (RLCE) is an effective way to reduce RLCE and promote low-carbon development from the perspective of urban planning.
  • 590
  • 13 May 2022
Topic Review
Built Environment for People with Sensory Disabilities
People with sensory disabilities constitute a significant portion of society whose accessibility needs must be prioritized in the design of the built environment. Sensory disabilities cause a gap in the environmental information received, most commonly visual and/or auditory cues, that requires consideration to create equal opportunities and experiences for all. 
  • 390
  • 27 Mar 2024
Topic Review
Bullwhip Effect in Supply Chain
The bullwhip effect results from inefficiencies in the supply chain; in perishable products, the inefficiencies are quality in the supply chain and product waste. Update the demand, the level of deterioration of the product, and the number of intermediaries is the causes of the bullwhip effect most investigated.
  • 530
  • 05 Aug 2021
Topic Review
Bump Fire
Bump fire is the act of using the recoil of a semi-automatic firearm to fire shots in rapid succession, which simulates the rate of fire of a fully automatic firearm. Bump fire gunstocks are of varying legality in the United States. The Department of Justice announced a plan on March 23, 2018 to classify bump stocks as "machine guns" and effectively ban them nationwide under existing federal law. If the rule becomes final, existing bump stocks would be required to be destroyed or surrendered by both manufacturers and individual owners. On April 17, 2018, Slide Fire Solutions, the sole holder of the bump stock patent, announced that it would cease production of bump stocks as of May 20, though they did not state whether this was a temporary or permanent measure. It has temporarily suspended production before.
  • 1.9K
  • 28 Oct 2022
Biography
Burt Rutan
Elbert Leander "Burt" Rutan (born June 17, 1943) is a retired American aerospace engineer and entrepreneur noted for his originality in designing light, strong, unusual-looking, energy-efficient aircraft. He designed the record-breaking Voyager, which in 1986 was the first plane to fly around the world without stopping or refueling, and the sub-orbital spaceplane SpaceShipOne, which won the Ansa
  • 1.4K
  • 22 Nov 2022
Topic Review
Burt’s Solar Compass
Burt's solar compass is a surveying instrument that makes use of the sun's direction instead of magnetism. William Austin Burt invented his solar compass in 1835. It is a device which allows a person to find the north direction from the position of a shadow. The reason for this instrument was to get away from the erratic readings of a normal magnetized compass when in a local land territory of high iron ore content. The instrument was found to be so accurate that it was the choice of the United States government when surveying public lands, state boundaries, and railroad routes. It won awards from various organizations for its technology. It was used by surveyors from the nineteenth century into the twentieth century.
  • 813
  • 19 Oct 2022
Topic Review
Bus Scheduling with Evolutionary Optimization
In public transport operations, vehicles tend to bunch together due to the instability of passenger demand and traffic conditions. Fluctuation of the expected waiting times of passengers at bus stops due to bus bunching is perceived as service unreliability and degrades the overall quality of service. For assessing the performance of high-frequency bus services, transportation authorities monitor the daily operations via Transit Management Systems (TMS) that collect vehicle positioning information in near real-time. This work explores the potential of using Automated Vehicle Location (AVL) data from the running vehicles for generating bus schedules that improve the service reliability and conform to various regulatory constraints. The computer-aided generation of optimal bus schedules is a tedious task due to the nonlinear and multi-variable nature of the bus scheduling problem. For this reason, this work develops a two-level approach where (i) the regulatory constraints are satisfied and (ii) the waiting times of passengers are optimized with the introduction of an evolutionary algorithm. This work also discusses the experimental results from the implementation of such an approach in a bi-directional bus line operated by a major bus operator in northern Europe.
  • 2.1K
  • 29 Oct 2020
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