Workshop on Strong Ground Motion and Earthquake Engineering in Turkey

这一行动是为了支持一个研讨会，讨论拟议中的美国-土耳其地震工程合作项目。该项目正在考虑根据美国-土耳其共和国联合合作科学和技术方案予以实施。该项目涉及在土耳其安装地震强震阵列，以记录未来地震造成的强烈地面震动。在安装阵列之后，将在阵列附近建造仪表化建筑物，从而能够记录自由场运动和建筑物响应。由于地震的发生在时间和空间上都具有意想不到的性质，以及大地震的局部影响，这样的数据很少被记录下来。然而，正是这些全面的数据是推动地震工程技术发展的关键。为了加快获取这一急需的数据，国际合作至关重要。拟议的合作项目的目标是安装一个强震阵列，具有密集分布的仪表站，靠近预计在5年内发生里氏6级或更大地震的地点(20公里内)。由于科学地震预报仍处于初级阶段，对地震发生的预测受到重大不确定性的影响：对地震地点和震级的预测的不确定性要小得多。这个阵列的规划正在分阶段进行。1978年，夏威夷的一个国际研讨会确定了土耳其的地点是世界上最有可能记录到强地面运动的地点之一，如上所述。1985年，在土耳其伊斯坦布尔举行的一次美国-土耳其研讨会，更深入地研究了强烈运动阵列的可行性。结论是，这一构想是可行的，并提出了具体建议。这次研讨会的目的是制定美国对合作项目贡献的最终细节，并准备一份调查结果报告，提交给1989年9月在土耳其举行的美国-土耳其研讨会。阵列的详细计划将在这次研讨会上敲定，建议将提交给土耳其的TUBITAK和美国的NSF，供联合批准和实施。//

This action is for support of a workshop to discuss a proposed US-Turkey cooperative project in earthquake engineering. This project is being considered for implementation under the US-Republic of Turkey Joint Cooperative Science and Technology Program. The project involves the installation of an earthquake strong-motion array in Turkey, to record the strong ground shaking from future earthquakes. Following the installation of the array, instrumented buildings would be constructed near the array, enabling both the free-field motions and the building response to be recorded. Because of the unexpected nature, both in time and in space, of the occurrence of earthquakes, and the localized influence of major earthquakes, such data are rarely recorded. Yet it is this full-scale data that is critically needed to advance the state-of-the-art of earthquake engineering. International cooperation is essential in order to speed up the acquisition of this much-needed data. The objective of the proposed cooperative project is to install a strong-motion array, with densely spaced instrument stations, near to the site (within 20 kilometers) in which a major earthquake (Richter magnitude 6 or greater) is predicted to occur within, say, 5 years. Since scientific earthquake prediction is still in its infancy, the prediction of the occurrence is subject to major uncertainty: the prediction of the location and magnitude of the earthquake is much less uncertain. The planning for this array is occurring in stages. In 1978, an international workshop in Hawaii identified sites in Turkey as being amongst the most likely locations worldwide to record strong ground motions, as defined above. In 1985 a US-Turkey workshop held in Istanbul, Turkey, examined in greater depth the feasibility of a strong motion array. The conclusion was that the concept was feasible, and specific recommendations were made. The objective of this present workshop is to work out the final details of the US contribution to the cooperative project, and to prepare a report of the findings to be presented to a US-Turkey workshop to be held in Turkey in September, 1989. Detailed plans for the array will be finalized at this workshop, and the recommendations will be presented to TUBITAK (Turkey) and NSF (US) for joint approval and implementation.//