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Related Concept Videos

Thermal Insulation in Masonry Walls01:22

Thermal Insulation in Masonry Walls

141
In hot, dry climates, the thermal mass of masonry walls can be beneficial, absorbing heat during the day and releasing it at night, thereby stabilizing indoor temperatures. However, in most other climates, additional insulation is necessary to enhance thermal resistance.
External insulation can be applied using an Exterior Insulation and Finish System (EIFS), which involves affixing panels of plastic foam to the wall and covering them with a polymeric stucco reinforced with glass fiber mesh....
141
Masonry in Cold and Hot Weather Conditions01:21

Masonry in Cold and Hot Weather Conditions

102
In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
Other key practices include keeping masonry units...
102
Hot Weather Concreting01:20

Hot Weather Concreting

83
Concreting at elevated temperatures accelerates the hydration process, leading to quicker setting but potentially reducing the long-term strength of the concrete structure. Additionally, low air humidity fosters rapid moisture loss from the concrete, resulting in reduced workability, pronounced plastic shrinkage, and a higher likelihood of crazing.
Mitigating the heat increase in concrete can be economically achieved by shading aggregate stockpiles to prevent heating from solar radiation,...
83
Cold Weather Concreting01:27

Cold Weather Concreting

88
When freshly poured concrete is exposed to freezing temperatures before it has set, the water within the concrete can freeze. This expansion disrupts the setting process, delays chemical reactions necessary for hardening, and increases the volume of pores within the hardened concrete, which weakens its overall structure. If the concrete manages to reach an appreciable strength before it freezes, the damage can be somewhat mitigated.
To counteract the negative impacts of cold weather, ensuring...
88
Design Example: Sustainability in Concrete Building01:26

Design Example: Sustainability in Concrete Building

183
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...
183
Curing Methods01:26

Curing Methods

96
Concrete members with a small surface-to-volume ratio are cured by oiling and moistening the forms before casting the concrete member. These forms can be left in place for a prolonged period to prevent moisture loss, and can be wetted if made of a material suitable for wetting. If the forms are removed early, the concrete member is moistened and covered with polythene sheets to maintain moisture. For large horizontal concrete surfaces exposed to dry weather, a temporary covering is suspended...
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Related Experiment Video

Updated: Jul 15, 2025

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
11:20

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Heat-proofing India.

Vaishnavi Chandrashekhar1

  • 1Mumbai, India.

Science (New York, N.Y.)
|September 28, 2023
PubMed
Summary

Indian cities are piloting heat mitigation strategies to help global urban populations adapt to increasing temperatures. These innovative urban planning solutions aim to improve resilience against extreme heat events.

Area of Science:

  • Urban planning and climate adaptation strategies.
  • Environmental science and public health.

Background:

  • Rising global temperatures pose significant threats to urban populations worldwide.
  • Indian cities are at the forefront of developing and testing innovative heat mitigation measures.

Discussion:

  • The study examines various interventions being tested in Indian urban environments.
  • These measures aim to reduce the impact of extreme heat on city dwellers.
  • Focus is on practical, scalable solutions for immediate implementation.

Key Insights:

  • Successful heat adaptation strategies in Indian cities offer a blueprint for global urban centers.
  • Implementation of these measures can significantly enhance urban resilience to climate change.
  • Testing diverse approaches provides valuable data for future urban climate policies.

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Outlook:

  • Further research is needed to assess the long-term effectiveness and scalability of these measures.
  • Continued collaboration between researchers, policymakers, and urban planners is crucial.
  • These initiatives hold promise for creating more sustainable and livable cities in a warming world.