EarthQuake W1200 User Manual download pdf

hen the February 22,

2011 Christchurch City

earthquake erupted, this

powerful natural event severely dam-

aged New Zealand’s second-largest city

and has been described as one of the

nation’s worst peacetime disasters. To

add context, the Canterbury region had

been experiencing earthquakes since

the September 2010 Darﬁeld event,

with over ten thousand recordable

earthquakes to date.

One signiﬁcant road damaged in the

quake required the Christchurch City

Council’s (CCC)’s immediate attention.

e heavily traﬃcked three-mile-long

Wairakei Road is an urban two-lane

road that got twisted and contorted in

the main earthquake. Wairakei Road

3D Milling

Meets the

Challenge

By JEFF Winke

Repairing earthquake damaged road in Christchurch NZ

The heavily trafﬁcked three-mile-long Wairakei Road

is an urban two-lane road that was twisted and contorted

in the main earthquake.

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Summary of Contents

Page 1 - Challenge

When the February 22, 2011 Christchurch City earthquake erupted, this powerful natural event severely dam-aged New Zealand’s second-largest city and h

Page 2

is about 19 miles from the epicenter of the 6.3 Richter magnitude earthquake, which was in Lyttleton.Key to the reconstruction of Wairakei Road was mi

Page 3

surfaces at variable depth and slope without string lines. By controlling the precise cutting depth of the mill, the technology minimizes over-cutting