Sustainability

Question 1

What is sustainable development?

Answer 1

The UN 1987 Brundtland Commission report defined it as “meeting the needs of the present without comprising the ability of future generations to meet their own needs.”

Question 2

What is radon

Answer 2

Radon gas occurs in certain igneous rocks and soils. It is radioactive and contributes to cancer, over 1000 deaths pa in UK. HSA has a risk map.

Question 3

What are the foundation types?

Answer 3

1. Strip
2. Pad
3. Raft

Question 4

What are the 4 load rypes

Answer 4

Dead (fixed)
Live (imposed)
Wind
Snow

Question 5

Define strength

Answer 5

The ability to sustain load

Question 6

Define stiffness

Answer 6

The ratio of deformation to associated load level. Push per move.

Question 7

Define ductility

Answer 7

The amount of inelastic deformation before failure. Keeps its shape.

Question 8

What does internal and external stability do?

Answer 8

Internal - maintain shape
External- maintain position

Question 9

Structural elements

Answer 9

Slab
Beam
Column
Walls
Foundations
Tie/strut

Question 10

Compression v tension

Answer 10

Compression gets shorter.

Tension gets longer (tensile strength).