Development of the Information System for the Strength and Seismic behaviors of Steel Structures

本课题旨在开发一个用于钢结构抗荷载和地震试验数据的多媒体系统。从1997年到1998年，利用因特网上的Java开发了一个钢结构多媒体数据库。该数据库除文本外，还包括图像、视频和声音等各种类型的与强度和延性有关的地震试验结果的宝贵数据。该多媒体已在Internet上实现，Java语言实现了高效的交互式检索。本研究的主要成果如下：收集整理了地震实验资料，并在WWW上开发了一个地震实验多媒体数据库原型系统。现有的结构钢构件极限强度试验数据库也被转移到该系统中。实验证明，Java是一种有效的编程语言，可以实现测试数据的交互式检索和图形用户界面的制作。该系统的开发是为了能够从统计学的角度产生一些有价值的系数和公式。随着数据库中可用数据的增加，系统将能够为用户提供更多的信息。这个新的数据库被命名为钢结构因特网多媒体数据库（MDISS）。在开发过程中，各种研究人员和工程师参与使用该系统并测试其功能。实践证明，该系统对土木工程专业的学习、教学和科研具有一定的实用价值。该数据库的开发应继续包含更多的结构性实验数据。这个原型系统的URL是：http: //falcon。公民。nagoya-u。ac. jp / mdis / index . html。推荐使用Java版本1.1以上的虚拟机浏览器，如Netscape Communicator 4.5、Internet Explorer 4.0等。

This research project aims to develop a multimedia system for the experimental data of steel structures against the loads and earthquakes. From 1997 to 1998, a multimedia database has been developed using Java on Internet for steel structures. The database includes the valuable data of seismic test results relating to strength and ductility in various types such as image, video, and sound in addition to text. This multimedia ha been made available on the Internet, and Java language enables the interactive retrieval efficiently. The main results of this research are stated as follows :Seismic experimental data have been gathered and arranged, and a prototype system of multimedia database for seismic experiment has been developed on WWW.An existing ultimate strength test database of ultimate strength of structural steel members has also been shifted to the system.It was proved that Java is an effective programming language to develop such an interactive system for retrieving test data interactively and making the graphical user interface.The system was developed to be able to generate some valuable coefficient and formulation from the statistical viewpoint. With the increase of available data in this database, the system will be able to supply more information to the users.This new database is named as Multimedia Database on Internet for Steel Structures (MDISS). During the development process, various researchers and engineers are involved in utilizing this system and testing its functions. It was proved that this system is useful for the study and education in civil engineering as well as research. The development of this database should be continued to contain more structural experimental data. The URL of this prototype system is : http : //falcon. civil. nagoya-u. ac. jp/mdiss/index.html. The browser that has Virtual Machine (VM) with Java version over 1.1 such as Netscape Communicator 4.5 and Internet Explorer 4.0 is recommended to access this system.