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SHELTER FOR
HOT AND DRY
CLIMATE
SUCHETANA CHAKRAVARTY
114AR0025
Introduction
Regions having similar characteristic features of climate are
grod undupeer one climatic zone. According to a...
Nature of hot and humid climate
 Hot-dry desert and semi desert climates are characterised by very hot,dry air and
dry gr...
Building design
 Orientation and placement, to minimize sun
exposure in summer.
 Form, compact to reduce surface areas o...
SANGATH
AN ARCHITECT’S STUDIO, AHMEDABAD
BY B.V. DOSHI
Architect:
B.V. Doshi
Location:
Thaltej Road,Ahmedabad
Period of Const. :
1979-1981
Project Engineer:
B.S. Jethwa, Y.Patel...
Site plan
Site planning:
 Minimizing Solar Radiation on South and
West side : The structure is closely
integrated with the outdoor ...
The Structure
 Vaulted Roof Form
The roof form creates an efficient surface volume/ratio optimizing material
quantities.
...
Stack Effect
Ventilating window at upper volume
releases the accumulated hot air
through pressure difference.
Insulation
Building is largely buried under ground to use earth masses for natural insulation.
External walls of the build...
Lighting
indirect lighting
oUpper Level Large Openings - Facing North.
oSkylights as projected masses from the roof.
oSmal...
ConstructionTechnique
Locally made clay fuses over the concrete slab to form a non-
conductive layer.
The clay fuses entra...
 Water is the major modifier of the microclimate.rain water and
overflow of tank water harnesshed through roof channel an...
Performance
 A temperature difference of about 8°C
 Time lag for heat transfer is nearly 6 hours
 30% to 50% reduction ...
Thank you
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Hot and dry climate

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shelter for hot and dry climate

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Hot and dry climate

  1. 1. SHELTER FOR HOT AND DRY CLIMATE SUCHETANA CHAKRAVARTY 114AR0025
  2. 2. Introduction Regions having similar characteristic features of climate are grod undupeer one climatic zone. According to a recent code of bureau of Indian standards, the country may be divided into five major climatic zones. • Hot and dry (mean monthly temperature >30 and relatively humidity <55%). • Warm and humid (mean monthly temperature >25-30 and relatively humidity <55-75%). • Cold and dry (mean monthly temperature <25 and relatively humidity- all values). • Composite (this applies, when six months or more do not fall within any of the other categories).
  3. 3. Nature of hot and humid climate  Hot-dry desert and semi desert climates are characterised by very hot,dry air and dry ground.  hot dry weather in summer and cold in winter.  very little rainfall.  very low humidity.  high temp. difference between night and day.  hot winds & frequent dust storms  High summer day time temperatures(32-36° C)  In hotter regions above 40 and up to 50°C.  High direct solar radiation  Clear sky most of the year  sandy or rocky ground with very low vegetation cover.
  4. 4. Building design  Orientation and placement, to minimize sun exposure in summer.  Form, compact to reduce surface areas of heat gain.  Shade, for maximum sun protection in summer.  Allow adequate heat gain in winter by movable shading devices.  Ventilation, for regulation of air movement
  5. 5. SANGATH AN ARCHITECT’S STUDIO, AHMEDABAD BY B.V. DOSHI
  6. 6. Architect: B.V. Doshi Location: Thaltej Road,Ahmedabad Period of Const. : 1979-1981 Project Engineer: B.S. Jethwa, Y.Patel Site Area:2346 m2 Total Built-up Area: 585 m2 Project Cost: 0.6 Million
  7. 7. Site plan
  8. 8. Site planning:  Minimizing Solar Radiation on South and West side : The structure is closely integrated with the outdoor spaces. Vegetation on site is almost left to grow into wilderness. The West and South façade is shaded by dense trees.  Maximizing Wind Flow : Wind from West and South-West side is taken in by juxtapositioning structures so as to create a central open space through which wind can flow unobstructed
  9. 9. The Structure  Vaulted Roof Form The roof form creates an efficient surface volume/ratio optimizing material quantities.  Higher Space Volume provides for hot air pockets due to convective currents that keep lower volumes relatively cool.
  10. 10. Stack Effect Ventilating window at upper volume releases the accumulated hot air through pressure difference.
  11. 11. Insulation Building is largely buried under ground to use earth masses for natural insulation. External walls of the building are nearly a meter deep but have been hollowed out as alcoves to provide storage that becomes an insulative wall with efficiency of space.
  12. 12. Lighting indirect lighting oUpper Level Large Openings - Facing North. oSkylights as projected masses from the roof. oSmall cut-outs on roof slab filled with hollow glass blocks.
  13. 13. ConstructionTechnique Locally made clay fuses over the concrete slab to form a non- conductive layer. The clay fuses entrap air. Known as sandwich vault. 3.5 cm thick RCC 8 cm ceramic fuses 3.5 cm thick RCC 6 cm thick water proofing 1 cm thick broken China mosaic finish
  14. 14.  Water is the major modifier of the microclimate.rain water and overflow of tank water harnesshed through roof channel and reused.water moderates the harsh ambient out side of the building.
  15. 15. Performance  A temperature difference of about 8°C  Time lag for heat transfer is nearly 6 hours  30% to 50% reduction in cooling energy  Waste material reuse  Water Recycling  10% saving in cost through lack of finishes.
  16. 16. Thank you

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