The 2nd Japan-China Joint Workshop on Prediction and
Mitigation of Seismic Risk in Urban Regions
The C-1 research group of the DPRI project on Prediction and Mitigation of Natural Hazard in East Asia has four sub-theme programs; 1)Prediction of seismic activity in Hebei region, 2)Prediction of strong earthquake ground motions in Tangshan region, 3)Seismic risk assessment of urban region, 4)Urban planning against strong earthquake. We here report on the workshop entitled "Prediction and Mitigation of Seismic Risk in Urban Regions" held in Hikone, Japan on November 14-16, 1998.
The aim of this workshop is to discuss on Pre-diction and Mitigation of Seismic Risk in Urban Regions based on the recent catastrophic disasters in both countries, and to determine the type of research necessary to address the above problems in the 21st century. This year is the final year of this program and the DPRI project. Final conclusions must be introduced in this discussion. This workshop is mainly supported by the Monbusho International Scientific Research Program (Leader: T. Fujiwara) strongly related to the seismic theme of the DPRI project, and mainly organized by the DPRI and the School of Environmental Science, University of Shiga Prefecture. The Institute of Engineering Mechanics of China Seismological Bureau is cooperating in this program and the special project.
The organizers will soon publish the Workshop Proceedings, in which the following papers as well as the contents of discussions are included.
Opening Plenary Session
M. Sakamoto(USP), Q. He(CSB),
H. Imamoto(DPRI)
Keynote Address
Kameda, H.: "Research efforts and initiatives in Japan for earthquake disaster mitigation"
Ye, Y.: "Research needs on mitigation of seismic risk in urban region toward the 21st century"
Session 1: Prediction of Seismic Activity in Asia
Ando, M. and M. Nakamura: "Seismicity change as an indicator of tectonic stress change"
Zheng, S. and G. Yuan: "Temporal change in shear wave splitting and monitoring of change in crustal stress"
Hirahara, K. and M. Hyodo: "Changes in Coulomb failure shear stress of inland faults in Southwest Japan associated with the subduction of the Philippine sea plate and the repeated great interplate earthquakes along the Nankai trough" Jin, A. and M. Ando: "Scaling law of earthquake spectrum"
Matsunami, K., M. Nakamura and N. Seto: "Source parameters in seismic swarm region of Wakayama, Southwest Japan"
Session 2: Characteristics of Near-Field Strong Ground Motions
Zhang, W., K. Matsunami and K. Irikura: "Site response estimation from strong motion data in Tangshan area, China"
Yuan, Y., K. Irikura and K. Kamae: "Simulation of strong ground motion of Tangshan earth-quake by empirical Green's function and comparison with damage"
Uetake, T. and K. Kudo: "Later arrivals found in strong ground motion observed in Ashigara Valley from the east Yamanashi earthquakes of moderate distance"
Yang, J. and T. Sato: "Nonlinear soil response and ground motion in strong earthquake"
Honda, R. and S. Sawada: "Dynamic analysis of the ground by hybrid method of FDM and nonlinear FEM"
Irikura, K.: "Recipe for predicting strong ground motion for future large earthquakes"
Iwata, T., H. Sekiguchi, A. Pitarka and K. Irikura: "Source and basin-structure effects on near-fault motions during the 1995 Hyogoken-nanbu earthquake"
Zhou, Y. and Y. Wang: "A draft of design spectra for new Chinese aseismic design code of buildings"
Session 3: Earthquake Risk Estimation of Urban Regions on Soft Soil
Qin, J., L. Jiang and J. Zhang: "Study on the source parameters and the rupture process of Ms 7.0 Lijiang earthquake"
Umeda, Y.: "Estimation of the earthquake maxi-mum ground motion from the dislodged stone"
Jiang, L. et al.: "Geological structure and anomalous intensity distribution in Lijiang basin"
Akamatsu, J. et al.: "Outline of Japan-China joint-research on the Lijiang basin structure as related to the 1996 Lijiang earthquake of M 7.0"
Morikawa, H. et al.: "Subsurface structure in Lijiang basin, Yunnan, China estimated from microseisms"
Seto, N. et al.: "Radio-controlled seismograph system used for explosion observations in Lijiang basin, China"
Nishimura, K. et al.: "Configuration of bedrock below the Lijiang basin, Yunnan Province, China, as deduced from seismic prospecting"
Komazawa, M. et al.: "Gravity survey and revealed basement structure of Lijiang basin"
Special Lecture
Okada, A.(Kyoto Univ.): "Characteritics of the active tectonics in the Kinki Region and introduction of recent active fault studies in Japan"
Hidaka, T.(USP): "What animals are sensing"
Session 4: Seismic Damage Assessment and Urban Aseismic Planning
Fujiwara, T., Y. Suzuki and K. Fukumoto: "Earthquake responses obtained from observation network in Kyoto and Shiga prefectures"
Fukumoto, K.: "Some informations of ground in Shiga prefecture from viewpoint of earth-quakes"
Wang, Y. and Q. Luo: "A study on ideological weakness of seismic resistant design based on the earthquake damage to masonry buildings"
Wang, S. Y. Su and Y. Su: "Analysis of damage to multi-story brick buildings in Gu-Ye earth-quake"
Liu, Y., Y. Su and Y. Su: "Investigation on the damage of reinforced concrete frame structure in Gu-Ye earthquaket"
Xie, L., X. Tao, R. Wen, Z. Cui and A. Tang: "A GIS based earthquake response system for urban area"
Mori, M., Y. Hagihara and O. Odanagi: "An in-formation system for earthquake risk management in urban water supply"
Tatano, H., N. Okada, N. Tanaka and K. Yamaguchi: "Public information provision on disaster risk and equilibrium land use patterns in a mono-centric city"
Session 5: Application of Advanced Technology in Earthquake Engineering
Sato, T.: "Linear algorithm to identify nonlinear response of structural system"
Sawada, S., K. Toki and S. Takada: "Design spectra for the seismic deformation method de-fined on ground surface"
Bae, G., Y. Suzuki and H. Li: "Seismic response control using active mass damper system under consideration of stroke limitation"
Tian, Q. and X. Chen: "Formula for aseismic calculation of joint of assembly bridge pier"
Chen, X. and X. Zhu: "Hysteretic property of gravity bridge pier-foundation system"
Nakashima, M.: "Story drift characteristics of steel building structures with hysteretic dampers"
Cheng, H. and Z. Yu: "Experimental study on earthquake resistant behavior of steel tubular column filled with high property concrete"
Discussion and Conclusions
