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Related Concept Videos

Movement Joints in Buildings01:27

Movement Joints in Buildings

Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
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Mortar Joint Deterioration in Masonry01:13

Mortar Joint Deterioration in Masonry

Mortar joint deterioration is a significant concern in masonry structures, with water accumulation in the joints leading to damage from freeze-thaw cycles. The repeated expansion of water during freezing and its melting during thawing develop and propagate cracks in the masonry joints. Eventually, this leads to the spalling of mortar from the joints, loosening masonry units and weakening the structure. The deteriorated mortar joints are also vulnerable to moisture intrusion into the walls.
The...
Expansion and Contraction in Masonry Walls01:19

Expansion and Contraction in Masonry Walls

Masonry walls are subject to slight expansion and contraction due to variations in temperature and moisture. Thermal movement in masonry is relatively straightforward to measure and plan for. On the other hand, moisture movement poses more of a challenge. New clay masonry units typically absorb water and expand over time under normal environmental conditions. Conversely, new concrete masonry units tend to shrink as they lose the excess moisture acquired during their production process.
To...
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
Manipulation and Analysis01:21

Manipulation and Analysis

GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...

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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
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Mobility and accessibility in historic cities.

Ana Carla Carvalho1, Rachel Filgueiras Paschoalin, José Alberto Castañon

  • 1Department of Transportation, Federal University of Juiz de Fora, Engineering Faculty, Campus of UFJF, Juiz de Fora, Minas Gerais, Brazil. anacarlacarvalho.arq@gmail.com

Work (Reading, Mass.)
|February 10, 2012
PubMed
Summary

Brazilian historic cities face challenges balancing tourism growth with heritage preservation. Addressing urban mobility and accessibility issues is crucial for sustainable development and visitor experience.

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Area of Science:

  • Urban Planning
  • Heritage Conservation
  • Tourism Management

Background:

  • Historic Brazilian cities, despite colonial structures, undergo contemporary transformations impacting urban issues like mobility and accessibility.
  • Uncontrolled tourism growth in historic cities poses a significant problem, conflicting with heritage conservation efforts and requiring activity control.
  • Traditional urban structures and morphology of Brazilian baroque cities present unique challenges for modern mobility and accessibility.

Purpose of the Study:

  • To investigate urban mobility challenges within Brazil's historic cities.
  • To explore the impact of tourism development on heritage preservation and accessibility.
  • To propose integrated approaches for urban conservation and socio-economic dynamics.

Main Methods:

  • Analysis of urban structure, morphology, and occupation characteristics in historic Brazilian cities.
  • Examination of tourism-generated demands, including adaptation of housing and traffic circulation issues.
  • Review of existing urban planning and heritage conservation policies.

Main Results:

  • Historic city features like narrow streets and challenging topography hinder contemporary traffic and pedestrian circulation.
  • Tourism development strains infrastructure not designed for modern needs, threatening preservation and visitor accessibility.
  • Sectoral policies often lack integration, hindering a cohesive approach to urban conservation and tourism management.

Conclusions:

  • Integrated urban conservation strategies are essential to balance historic preservation with socio-economic dynamics and tourism demands.
  • A permanent dialogue between conservationists and planners is necessary to develop effective sectoral policies.
  • Adapting historic urban environments for contemporary mobility and accessibility requires careful planning to avoid heritage degradation.