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Design Example: Sustainability in Concrete Building01:26

Design Example: Sustainability in Concrete Building

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As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
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Reinforced Brick Masonry01:15

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Reinforced brick masonry is an advanced construction technique that enhances the structural integrity of brick walls by incorporating steel reinforcements. These reinforcements are either placed within the hollow cores of bricks or sandwiched between two layers of masonry, known as wythes, and are then secured in place with grout. Grout is a fluid mixture composed of Portland cement, aggregate, and water, providing the necessary bonding agent for the steel and brick.
To fortify brick walls...
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Thematic Layering in GIS01:30

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In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
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Types of Building Separation Joints01:23

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Building separation joints divide large or complex building structures into smaller, discrete units that can move independently. These joints are categorized into three types: volume-change joints, settlement joints, and seismic separation joints.
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Masonry Loadbearing Walls01:16

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Masonry load-bearing walls, constructed from materials like brick, stone, or concrete masonry units, serve as a crucial component in building structures by supporting the loads from floors and roofs and transferring them to the foundation. These walls, known for their compressive strength, can be reinforced or unreinforced to suit different building needs, accommodating both the dead and live loads while maintaining safety through lower working stresses compared to the materials' ultimate...
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Design Example: Alignment of a Road Line Using GIS01:17

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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...
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Fa&#231;ade-Level Monitoring of CO2 Variability under Urban Heat Island Conditions using Low-Cost Sensor Data Loggers
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Construir ciudades funcionales

J Vernon Henderson1, Anthony J Venables2, Tanner Regan3

  • 1London School of Economics and Political Science, London WC2A 2AE, UK. j.v.henderson@lse.ac.uk.

Science (New York, N.Y.)
|May 21, 2016
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Resumen
Este resumen es generado por máquina.

Las ciudades africanas se enfrentan a desafíos de uso del suelo debido a la construcción duradera bajo instituciones débiles. La ciudad de Nairobi

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Área de la Ciencia:

  • Planificación y desarrollo urbano
  • Economía de las ciudades
  • Análisis espacial

Sus antecedentes:

  • Las ciudades africanas a menudo se caracterizan por un uso ineficiente de la tierra y una conectividad deficiente.
  • Las decisiones de construcción de edificios duraderos bajo marcos institucionales débiles contribuyen a estas ineficiencias.
  • Los modelos existentes a menudo pasan por alto la dinámica de las viviendas de tugurios y la reurbanización urbana en las ciudades en crecimiento.

Objetivo del estudio:

  • Modelar la dinámica del uso del suelo urbano, incorporando viviendas formales y de barrios marginales, y la reurbanización a alturas de construcción más altas.
  • Analizar la evolución urbana de Nairobi utilizando un conjunto de datos de alta resolución espacial único.
  • Identificar las causas del uso ineficiente de la tierra y la distribución del volumen de viviendas en Nairobi.

Principales métodos:

  • Desarrollo de un nuevo modelo para la dinámica del uso del suelo urbano.
  • Utilizando un conjunto único de datos de alta resolución espacial para la evolución urbana de Nairobi.
  • Análisis de los volúmenes de vivienda y los patrones de uso del suelo en relación con la fortaleza institucional.

Principales resultados:

  • Nairobi exhibe un volumen de construcción insuficiente en la mayor parte de la ciudad.
  • Las grandes áreas de tugurios con bajos volúmenes de vivienda se concentran cerca del centro de la ciudad.
  • Las instituciones corruptas impiden la conversión de la tierra al uso del sector formal en las áreas centrales.

Conclusiones:

  • Las instituciones débiles y las políticas de uso de la tierra afectan significativamente el desarrollo urbano en las ciudades africanas.
  • La estructura urbana de Nairobi se caracteriza por ineficiencias espaciales impulsadas por factores institucionales.
  • Las reformas institucionales específicas son cruciales para optimizar el uso del suelo urbano y el desarrollo de la vivienda.