6. Prevention Method
Don’t Build on vulnerable lands
Old swamps and marshes
Easiest and most cost effective
method
http://twistedsifter.files.wordpress.com/2013/05/happ
y-house.jpg
7. Soil Treatment
Vibroflotation
Dig hole
Strong Vibrating Probe
Increases soil density by removing
empty space
Vibro-Replacement
Fill the hole dug with grave
Further increases density
http://www.ce.washington.edu/~liquefaction/html/how/haywardpic/webvr.gif
8. Resistant Structures
Foundation Mat
Uniform movement
Ductile Utility lines
Easier for new projects
than for improving old
structures
http://www.ce.washington.edu/~liquefaction/html/h
ow/structures/strongmat.gif