000012294 001__ 12294
000012294 005__ 20141205160039.0
000012294 04107 $$aeng
000012294 046__ $$k2008-10-12
000012294 100__ $$aZhang, Leiming
000012294 24500 $$aLearning from the Wenchuan Earthquake: Key Problems in Collapse Analysis of Structures

000012294 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000012294 260__ $$b
000012294 506__ $$arestricted
000012294 520__ $$2eng$$aUp to now the Wenchuan Earthquake has caused nearly 70,000 casualties. It is widely believed that over 95% of the casualties and injuries were due to collapses of millions of buildings. Then one question is why there are still so many collapses after many years aiming to ensure “no collapse under big earthquake” which was first brought forward in 1989 Code for Seismic Design of Buildings (GBJ11-89, China). In fact how to resist collapse have received increasing attention in structural engineering communities for several decades, especially after the 9.11 terrorist attack on the twin towers in New York city. After the 5.12 Wenchuan Earthquake, the authors joined a damage investigation organized by the National Key Basic Research and Development Program of China (973 Program) in the disaster area, especially at Dujiangyan, Hongbaizhen, Beichuan and Yingxiu. Based on the survey around the heavily damaged area, three key problems in collapse analysis of structures were identified as description of discontinuous displacements, collision/impact between structural elements and adjacent buildings, and geometric nonlinearity of structures. Some of the typical collapses in the Wenchuan Earthquake are provided. Solution of the key problems in framed structures and thus numerical simulation of collapses were given in brief. Some research work trying to solve the solutions is also introduced.

000012294 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000012294 653__ $$aWenchuan Earthquake, Collapse analysis, Discontinuous displacement, Collision/Impact, Geometric nonlinearity

000012294 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000012294 720__ $$aZhang, Leiming$$iLiu, Xila
000012294 8560_ $$ffischerc@itam.cas.cz
000012294 8564_ $$s414957$$uhttps://invenio.itam.cas.cz/record/12294/files/S31-009.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: S31-009.
000012294 962__ $$r9324
000012294 980__ $$aPAPER