Construction revision

Construction revision

1. Strength and Stability

   • Loads
     • Performance-how well a building provides a comfortable, safe environment for its occupants.
     • Stable-when a structure can keep its balance without moving.
     • Sustainability - preserving resources for future generations and minimizing the impact of construction activities on the natural environment.
     • Cavity wall
   • Grading materials
     • Mortar
       • Classified by where they will be used e.g. masonry is called G.
       • Different if made in a factory or on site.
     • Bricks
       • Classified by how strong and how much moisture they can absorb.
       • All bricks should be a minimum strength of 5N/mm².
     • Concrete
       • Available from 8 up to 60N/mm².
       • C in front means Concrete, so C25 means concrete 25N/mm².
       • If concrete is to take a load it must be at least 25N/mm².
       • Reinforced Concrete has steel bars in it.
     • Timber
       • Available from 14 up to 70N/mm².
       • C in front means Coniferous (softwood) and can be C14 up to C50.
       • D in front means Deciduous (hardwood) and can be D30 up to D70.
     • Hardcore
       • Used to give an even base under floors and is a mix of gravel, sand, broken bricks ad crushed concrete.
       • Also called aggregate it can be added to concrete.
       • Classified based on size, the bigger the pieces the higher the number.

2. Fire Resistance

   • Fire resistant materials
     • Plasterboard
     • Concrete
     • Block work
     • Intumescent paint (expands with heat to be thicker and slows heat)
   • Fire resistant equipment
     • Refuge areas (mobility problems)
     • Sprinkler systems
     • Cavity wall barrier
     • Fire alarms and smoke detectors
     • Fire escape

3. Insulation

   • Thermal
     • Roof must be less than 0.20 W/m²K
     • Wall must be less than 0.30 W/m²K
     • Windows must be less than 2.00 W/m²K
     • Floor must be less than 0.25 W/m²K

Images and files in the map