Search

found 9471 results

Images for earthquakes; more images...

Images, eqnz.chch.2010

The now vacated Christchurch City Council building suffered some damage in the magnitude 7.1 earthquake that struck Christchurch on Saturday 4 September 2010.

Images, eqnz.chch.2010

The now vacated Christchurch City Council building suffered some damage in the magnitude 7.1 earthquake that struck Christchurch on Saturday 4 September 2010.

Images, eqnz.chch.2010

Photos taken of the Mobile Library on March 31, 2011 following the February 22 earthquake. File reference: CCL-2011-03-31-Mobile-After-The-Earthquake-NB Parkland 023 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Open for business. Photos taken in Diamond Harbour Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Diamond Harbour-After-The-Earthquake-IMG_15 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Sign of the times across from the library. Photos taken in Lyttelton Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Lyttelton-After-The-Earthquake-IMG_17 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Lyttelton is a one dog library today. Photos taken in Lyttelton Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Lyttelton-After-The-Earthquake-IMG_20 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Plenty to choose from at Redwood Library. Photos taken in Redwood Library on April 8 following the February 22 earthquake. File reference: CCL-2011-04-08-Redwood-After-The-Earthquake-IMG_0441 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Photos taken in Parklands Library on March 31 following the February 22 earthquake. File reference: CCL-2011-03-31-New Brighton-After-The-Earthquake-NB Parkland 019 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Photos taken in Parklands Library on March 31 following the February 22 earthquake. File reference: CCL-2011-03-31-New Brighton-After-The-Earthquake-NB Parkland 017 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Absorbed in preschool storytime. Photos taken in Diamond Harbour Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Diamond Harbour-After-The-Earthquake-IMG_21 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Interesting to look up at Redwood. Photos taken in Redwood Library on April 8 following the February 22 earthquake. File reference: CCL-2011-04-08-Redwood-After-The-Earthquake-IMG_0440 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Propped up neighbours but life goes one. Photos taken in Lyttelton Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Lyttelton-After-The-Earthquake-IMG_15 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Plenty to choose from at Redwood Photos taken in Redwood Library on April 8 following the February 22 earthquake. File reference: CCL-2011-04-08-Redwood-After-The-Earthquake-IMG_0444 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Photos taken in Parklands Library on March 31 following the February 22 earthquake. File reference: CCL-2011-03-31-New Brighton-After-The-Earthquake-NB Parkland 018 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Inside the library Photos taken in Diamond Harbour Library on May 24, 2011 following the February 22 earthquake. File reference: CCL-2011-05-24-Diamond Harbour-After-The-Earthquake-IMG_20 From the collection of Christchurch City Libraries

Images, eqnz.chch.2010

Photos taken in New Brighton on March 31 following the February 22 earthquake. File reference: CCL-2011-03-25-New Brighton-After-The-Earthquake-NB Parkland 008 From the collection of Christchurch City Libraries

Research papers, The University of Auckland Library

This thesis investigates life-safety risk in earthquakes. The first component of the thesis utilises a dataset of earthquake injuries and deaths from recent earthquakes in New Zealand to identify cause, context, and risk factors of injury and death in the 2011 MW6.3 Christchurch earthquake and 2016 MW7.8 Kaikōura earthquake. Results show that nearly all deaths occurred from being hit by structural elements from buildings, while most injuries were caused by falls, strains and being hit by contents or non-structural elements. Statistical analysis of injured cases compared to an uninjured control group found that age, gender, building damage, shaking intensity, and behaviour during shaking were the most significant risk factors for injury during these earthquakes. The second part of the thesis uses the empirical findings from the first section to develop two tools for managing life-safety risk in earthquakes. The first tool is a casualty estimation model for health system and emergency response planning. An existing casualty model used in New Zealand was validated against observed data from the 2011 Christchurch earthquake and found to underestimate moderate and severe injuries by an order of magnitude. The model was then updated to include human behaviour such as protective actions, falls and strain type injuries that are dependent on shaking intensity, as well as injuries and deaths outside buildings. These improvements resulted in a closer fit to observed casualties for the 2011 Christchurch earthquake. The second tool that was developed is a framework to set seismic loading standards for design based on fatality risk targets. The proposed framework extends the risk-targeted hazard method, by moving beyond collapse risk targets, to fatality risk targets for individuals in buildings and societal risk in cities. The framework also includes treatment of epistemic uncertainty in seismic hazard to allow this uncertainty to be used in risk-based decision making. The framework is demonstrated by showing how the current New Zealand loading standards could be revised to achieve uniform life-safety risk across the country and how the introduction of a new loading factor can reduce risk aggregation in cities. Not on Alma, moved and emailed. 1/02/2023 ce

Research Papers, Lincoln University

The September and February earthquakes were terrifying and devastating. In February, 185 people were killed (this number excludes post earthquake related deaths) and several thousand injured. Damage to infrastructure above and below ground in and around Christchurch was widespread and it will take many years and billions of dollars to rebuild. The ongoing effects of the big quakes and aftershocks are numerous, with the deepest impact being on those who lost family and friends, their livelihoods and homes. What did Cantabrians do during the days, weeks and months of uncertainty and how have we responded? Many grieved, some left, some stayed, some arrived, many shovelled (liquefaction left thousands of tons of silt to be removed from homes and streets), and some used their expertise or knowledge to help in the recovery. This book highlights just some of the projects staff and students from The Faculty of Environment, Society and Design have been involved in from September 2010 to October 2012. The work is ongoing and the plan is to publish another book to document progress and new projects.

Research papers, The University of Auckland Library

The progressive damage and subsequent demolition of unreinforced masonry (URM) buildings arising from the Canterbury earthquake sequence is reported. A dataset was compiled of all URM buildings located within the Christchurch CBD, including information on location, building characteristics, and damage levels after each major earthquake in this sequence. A general description of the overall damage and the hazard to both building occupants and to nearby pedestrians due to debris falling from URM buildings is presented with several case study buildings used to describe the accumulation of damage over the earthquake sequence. The benefit of seismic improvement techniques that had been installed to URM buildings is shown by the reduced damage ratios reported for increased levels of retrofit. Demolition statistics for URM buildings in the Christchurch CBD are also reported and discussed. VoR - Version of Record

Research papers, The University of Auckland Library

The sequence of earthquakes that has affected Christchurch and Canterbury since September 2010 has caused damage to a great number of buildings of all construction types. Following post-event damage surveys performed between April 2011 and June 2011, the damage suffered by unreinforced stone masonry buildings is reported and different types of observed failures are described. A detailed technical description of the most prevalently observed failure mechanisms is provided, with reference to recognised failure modes for unreinforced masonry structures. The observed performance of existing seismic retrofit interventions is also provided, as an understanding of the seismic response of these interventions is of fundamental importance for assessing the vulnerability of similar strengthening techniques when applied to unreinforced stone masonry structures.

Research papers, The University of Auckland Library

Unrestrained unreinforced clay brick masonry (URM) parapets are found atop a large number of vintage URM buildings. Parapets are typically non-structural cantilevered wall elements that form a fire barrier and in most cases form decorative and ornamental features of vintage URM buildings. Parapets are considered to be one of the most vulnerable elements that are prone to out-of-plane collapse when subjected to earthquake induced shaking. An in-depth analysis of the damage database collected following the 2010/2011 Canterbury earthquakes was performed to obtain information about the distribution, characteristics and observed performance of both the as-built and retrofitted parapets in the Christchurch region. Results, statistical interpretation and implications are presented herein. http://www.aees.org.au/downloads/conference-papers/2015-2/