Week 2 Experimentation

TS Term 2

What are we testing?

• Relationship of column to the ground

• types:– Hinged– Pinned – Rotating – Fixed and pinned

Columns and their relationship to the ground

Relationship type

Amount of buckling (cm)

Half a bottle Full bottle

1. hinged on bottom, free on top .5cm 1cm

2. hinged on bottom and hinged on top .2cm .8cm

3. rotating on top, hinged on bottom .7cm 1.2cm

4. hinged on bottom, pinned on top 1.5cm 3cm

5. pinned to fixed surface on top, hinged

on bottom.5cm .8cm

6. pinned to fixed surfaces on top and

bottom 3.5cm 4cm

Hinged on bottom, free on top

Half bottle: .5cm full bottle: 1cm Diagram of connection

Hinged on bottom and hinged on top

Half bottle: .2cm full bottle: .8cm Diagram

Rotating on top, hinged on bottom

Half bottle: .7cm full bottle: 1.2cm Diagram

Hinged on bottom, pinned on top

Half bottle: 1.5cm Full bottle: 3cm Diagram

Pinned to fixed surface on top, hinged on bottom

Half bottle: .5cm full bottle: .8cm Diagram

Pinned to fixed surfaces on top and bottom

Half bottle: 3.5cm full bottle: 4cm Diagram