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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

Reinforced Brick Masonry

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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 GIS

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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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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.
Volume-change joints address the effects of expansion and contraction due to temperature and moisture variations. They are strategically placed at discontinuities in a building's mass where cracking is most likely and are spaced about 150 to 200...
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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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建设功能性城市

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.

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此摘要是机器生成的。

非洲城市面临着土地利用的挑战, 在内罗毕

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科学领域:

  • 城市规划和发展
  • 城市经济学
  • 空间分析

背景情况:

  • 非洲城市的特点通常是土地使用效率低下和连接不良.
  • 在弱势的制度框架下建造耐用建筑的决策有助于这些效率低下.
  • 现有的模式往往忽视了贫民窟住房和城市重建的动态.

研究的目的:

  • 模拟城市土地使用的动态,包括正式和贫民窟住房,以及重建到更高的建筑高度.
  • 使用独特的高空间分辨率数据集分析内罗毕的城市发展.
  • 确定内罗毕土地使用和住房量分配效率低下的因素.

主要方法:

  • 开发一个新的城市土地使用动态模型.
  • 用一个独特的高空间分辨率数据集来描述内罗毕的城市发展.
  • 与机构实力相关的住房数量和土地使用模式的分析.

主要成果:

  • 奈洛比大部分城市都没有足够的建筑.
  • 城市中心附近的贫民窟人口很少.
  • 腐败的机构阻碍了中央地区的土地转化为正式部门的使用.

结论:

  • 弱势的机构和土地使用政策对非洲城市发展产生重大影响.
  • 奈洛比的城市结构的特点是空间效率低下,
  • 有针对性的制度改革对于优化城市土地利用和住房发展至关重要.