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Images for shaking; more images...
IMG_2148
Images, eqnz.chch.2010
Damaged facade? That's the decorative mural of this restaurant located on Manchester Street in Christchurch!
Structural damage evaluation of multi-story timber-steel hybrid structures…
Research papers, University of Canterbury Library
Timber-based hybrid structures provide a prospective solution for utilizing environmentally friendly timber material in the construction of mid-rise or high-rise structures. This study mainly focuses on structural damage evaluation for a type of timber-steel hybrid structures, which incorporate prefabricated light wood frame shear walls into steel moment-resisting frames (SMRFs). The structural damage of such a hybrid structure was evaluated through shake table tests on a four-story large-scale timber-steel hybrid structure. Four ground motion records (i.e., Wenchuan earthquake, Canterbury earthquake, El-Centro earthquake, and Kobe earthquake) were chosen for the tests, with the consideration of three different probability levels (i.e., minor, moderate and major earthquakes) for each record. During the shake table tests, the hybrid structure performed quite well with visual damage only to wood shear walls. No visual damage in SMRF and the frame-to-wall connections was observed. The correlation of visual damage to seismic intensity, modal-based damage index and inter-story drift was discussed. The reported work provided a basis of knowledge for performance-based seismic design (PBSD) for such timber-based hybrid structures.
Scientist explains 'trampoline effect' in Chch quake
Audio, Radio New Zealand
Scientists studying last month's earthquake in Christchurch say the shaking was exacerbated by a slapdown or trampoline effect that made the land under the city bounce up and down.
IMG_2067
Images, eqnz.chch.2010
Collapsed roof and parapet following the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2060
Images, eqnz.chch.2010
Trailer load of fallen debris following the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2069
Images, eqnz.chch.2010
Collapsed roof and parapet following the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2063
Images, eqnz.chch.2010
Masonry debris on the ground following the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2078
Images, eqnz.chch.2010
Roof of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2103
Images, eqnz.chch.2010
This shop lost its side wall when the magnitude 7.1 earthquake struck Christchurch on 4 September 2010.
IMG_2056
Images, eqnz.chch.2010
Tourists checking out destruction caused by the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2068
Images, eqnz.chch.2010
Collapsed roof and parapet following the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2066
Images, eqnz.chch.2010
Collapsed roof and parapet following the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2104
Images, eqnz.chch.2010
This shop lost its side wall when the magnitude 7.1 earthquake struck Christchurch on 4 September 2010.
IMG_2151
Images, eqnz.chch.2010
Cracked parapet caused by the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2150
Images, eqnz.chch.2010
Cracked parapet caused by the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2055
Images, eqnz.chch.2010
Police cordoned off roads to the CBD following the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2061
Images, eqnz.chch.2010
Police cordoned off roads to the CBD following the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2057
Images, eqnz.chch.2010
Police cordoned off roads to the CBD following the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2076
Images, eqnz.chch.2010
Facade and roof of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2079
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2107
Images, eqnz.chch.2010
Every house has a roof ..... aftermath of a magnitude 7.1 earthquake that struck Christchurch on 4 September 2010.
IMG_2100
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2099
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2077
Images, eqnz.chch.2010
Facade and roof of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2054
Images, eqnz.chch.2010
Police cordoned off roads to the CBD following the magnitude 7 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2139
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2140
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2075
Images, eqnz.chch.2010
Facade and roof of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.
IMG_2113
Images, eqnz.chch.2010
This shop lost its gable during the magnitude 7.1 earthquake that struck Christchurch on 4 September 2010.
IMG_2146
Images, eqnz.chch.2010
Parapet of this building collapsed during the magnitude 7.1 earthquake in Christchurch on Saturday 4-9-2010.