Week 1 Challenge

Answers

Question no 1

TRUSS A is commonly known as Pratt truss

Load Transfer

Diagonal members - Tension Stress

Vertical Members - compression stress

TRUSS B is commonly known as Howe truss

Load Transfer

Diagonal members - compression stress

Vertical Members - Tension Stress

TRUSS A HAVE MORE LOW LOADED NODES, ALSO WEIGHT TO DEFELCTION IS LESS .

SO TRUSS A IS EFFICIENT.

Question no 2 - CHECK ATTACHMENTS

Question no 3

1. I=18341333.3 MM4, C/S AREA= 4640 MM2, WEIGHT= 36.42 KG/M

2. I=544206.67 CM4, C/S AREA= 0.26 M2, WEIGHT= 2041 KG/M

Question no 4 - CHECK ATTACHMENTS

Question no 5 -

CHANGE IN LENGTH= 1.44 M TOTAL LENGTH = 2001.44