Construction Technology Flashcards
(5 cards)
What is the difference between Pre-stressed and Pre-tensioned Concrete
Pre-stressed - both tendons and concrete stressed
Pre-tensioned - tendons are stressed before concrete is placed
3 Methods of Waterproofing a basement
Dense Monolithic Concrete - Waterproof space made from reinforced concrete
Tanking - Materials such as asphalt, bitumen to protect the structure
Drained Cavity Solution - Water is collected then drains away to sump and discharge using pump.
Advantages/ Disadvantages of Steel Frames
ADV: Quicker to assemble
Lighter
DIS: Price can fluctuate
Require fire protection
Advantages/Disadvantages of Concrete Frame
ADV: Strength/heat resistance is high
DIS: Heavier and more expensive
Harder/time consuming to install