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Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

《结构与土木工程前沿（英文）》 2016年第10卷第3期页码 291-302 doi: 10.1007/s11709-016-0340-3

摘要： Buckling restrained knee braced truss moment frame (BRKBTMF) is a novel and innovative steel structural system that utilizes the advantages of long-span trusses and dedicated structural fuses for seismic applications. Steel trusses are very economical and effective in spanning large distance. However, conventional steel trusses are typically not suitable for seismic application, due to its lack of ductility and poor energy dissipation capacity. BRKBTMF utilizes buckling restrained braces (BRBs) as the designated structural fuses to dissipate the sudden surge of earthquake energy. This allows the BRKBTMF to economically and efficiently create large span structural systems for seismic applications. In this paper, a prototype BRKBTMF office building located in Berkeley, California, USA, was designed using performance-based plastic design procedure. The seismic performance of the prototype building was assessed using the state-of-the-art finite element software, OpenSees. Detailed BRB hysteresis and advanced element removal technique was implemented. The modeling approach allows the simulation for the force-deformation response of the BRB and the force redistribution within the system after the BRBs fracture. The developed finite element model was analyzed using incremental dynamic analysis approach to quantify the seismic performance of BRKBTMF. The results show BRKBTMF has excellent seismic performance with well controlled structural responses and resistance against collapse. In addition, life cycle repair cost of BRKBTMF was assessed using the next-generation performance-based earthquake engineering framework. The results confirm that BRKBTMF can effectively control the structural and non-structural component damages and minimize the repair costs of the structure under different ranges of earthquake shaking intensities. This studies conclude that BRKBTMF is a viable and effective seismic force resisting system.

关键词： buckling restrained brace innovative structural system collapse simulation seismic assessment

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The Effect of TRIZ on Research Institute Innovation

He Liu,Qing-hai Yang,Xu Jin

《工程管理前沿（英文）》 2014年第1卷第4期页码 385-389 doi: 10.15302/J-FEM-2014059

摘要： With a background in improving independent innovation capabilities and building a world-class petroleum research institute, scientific innovation is the essence and basis of an innovative framework for a research institute, as well as the inexhaustible driving force for sustainable development. By introducing the theory of inventive problem solving (TRIZ) and combining it with CAI (computer aided innovation) technology, the Research Institute of Petroleum Exploration and Development established an adaptive innovative system by making experiments and fanning out from a point to an area gradually. This article takes the example of the innovative practices of the Department of Petroleum Equipment in Research Institute of Petroleum Exploration and Development, and introduces a building method for the innovative system based on technical innovation, enterprise culture, organizational structure, scheme, and people. It also summarizes the experiences and effects of improving innovative system upon scientific practice which can provide important guidance and reference significance for accelerating independent innovative capability.

关键词： innovative capability TRIZ theory petroleum equipment research institute innovative system

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Development of an integrated structural health monitoring system for bridge structures in operational

Xinqun ZHU, Hong HAO

《结构与土木工程前沿（英文）》 2012年第6卷第3期页码 321-333 doi: 10.1007/s11709-012-0161-y

摘要： This paper presents an overview of development of an integrated structural health monitoring system. The integrated system includes vibration and guided-wave based structural health monitoring. It integrates the real-time heterogeneous sensor data acquiring system, data analysis and interpretation, physical-based numerical simulation of complex structural system under operational conditions and structural evaluation. The study is mainly focused on developing: integrated sensor technology, integrated structural damage identification with operational loads monitoring, and integrated structural evaluation with results from system identification. Numerical simulation and its implementation in laboratory show that the system is effective and reliable to detect local damage and global conditions of bridge structures.

关键词： integrated structural health monitoring operational conditions vibration and guided wave

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Elements’ important ranking of China drug safety management system: applying the non-structural

Xiaoping ZHENG, Xiaocui WANG, Tingkuan ZHONG,

《化学科学与工程前沿（英文）》 2010年第4卷第3期页码 290-299 doi: 10.1007/s11705-009-0283-5

摘要： Drug safety management is an important issue in China drug management system and attracts great attentions from the whole society. In order to reduce drug incident, this study discusses some important elements associated with China drug safety management system and analyzes the data collected by questionnaires. Besides, a methodology for rating the important elements is described and applied. The non-structural fuzzy group decision method not only considers the insufficient precise information but also combines the opinions of different kinds of respondents in China’s four municipalities. The results indicate that the sample systems are the most important in these important elements, and the order of importance is sampling systems, licensing systems, traceability systems, transaction models, pharmacovigilance and emergence management. This study not only points out the important ranking of the pivotal elements in China drug safety management but also gives some specific proposals about how to enhance drug safety management in China.

关键词： management system different management important ranking non-structural fuzzy

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Frontier of continuous structural health monitoring system for short & medium span bridges and condition

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

《结构与土木工程前沿（英文）》 2019年第13卷第3期页码 569-604 doi: 10.1007/s11709-018-0498-y

摘要： It is becoming an important social problem to make maintenance and rehabilitation of existing short and medium span(10-20 m) bridges because there are a huge amount of short and medium span bridges in service in the world. The kernel of such bridge management is to develop a method of safety(condition) assessment on items which include remaining life and load carrying capacity. Bridge health monitoring using information technology and sensors is capable of providing more accurate knowledge of bridge performance than traditional strategies. The aim of this paper is to introduce a state-of-the-art on not only a rational bridge health monitoring system incorporating with the information and communication technologies for lifetime management of existing short and medium span bridges but also a continuous data collecting system designed for bridge health monitoring of mainly short and medium span bridges. In this paper, although there are some useful monitoring methods for short and medium span bridges based on the qualitative or quantitative information, mainly two advanced structural health monitoring systems are described to review and analyse the potential of utilizing the long term health monitoring in safety assessment and management issues for short and medium span bridge. The first is a special designed mobile loading device(vehicle) for short and medium span road bridges to assess the structural safety(performance) and derive optimal strategies for maintenance using reliability based method. The second is a long term health monitoring method by using the public buses as part of a public transit system (called bus monitoring system) to be applied mainly to short and medium span bridges, along with safety indices, namely, “characteristic deflection” which is relatively free from the influence of dynamic disturbances due to such factors as the roughness of the road surface, and a structural anomaly parameter.

关键词： condition assessment short & medium span bridge structural health monitoring(SHM) long-term data collection system maintenance bridge performance information technology loading vehicle(public bus) in-situ loading

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论新时代的创新人才

甘自恒,金又琳

《中国工程科学》 2007年第9卷第11期页码 26-34

摘要：

阐明了研究新时代创新人才的重大意义，揭示了新时代的内涵：以创新为时代精神，包括从多种视角揭示的和平发展时代，生态文明时代，知识经济时代，政冶多极化时代，创意文化时代，改革开放时代；把新时代的创新人才分为4类：一般创新人才，拔尖创新人才，杰出创新人才，大师级创新人才；概括了新时代创新人才的5个基本特征：观念的时代性，素质的全面性，导向的先进性，研究的综合性，成果的创新性；总结了新时代创新人才的成才模式，阐述了研究新时代创新人才对高等教育创新的启示和建议。

关键词：新时代一般创新人才拔尖创新人才杰出创新人才大师级创新人才

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Special issue: Innovative applications of big data and artificial intelligence

《工程管理前沿（英文）》 2022年第9卷第4期页码 517-519 doi: 10.1007/s42524-022-0234-0

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Innovative approach of low carbon and efficient utilization of coal resources: The polygeneration system

Kechang XIE, Fan LI

《化学科学与工程前沿（英文）》 2010年第4卷第4期页码 383-384 doi: 10.1007/s11705-010-0526-5

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Structural pavement assessment in Germany

Lutz PINKOFSKY, Dirk JANSEN

《结构与土木工程前沿（英文）》 2018年第12卷第2期页码 183-191 doi: 10.1007/s11709-017-0412-z

摘要： The aging structure as well as the considerable increase of heavy-traffic load on Germany’s motorways and trunk roads encourages the use of innovative, sound and reliable methods for the structural assessment on network level as well as on project level. Essential elements for this are data, which allow a reliable assessment. For a holistic approach to structural pavement assessment performance orientated measurements will be necessary. In combination with functional parameters as well as write-down models, strategically motivated decision making processes will be useful combined with technically motivated decision processes. For the application at the network level, the available methods for performance orientated measurements are still challenging, as they are based either on testing drill-cores or on non-traffic speed methods. In recent years significant innovation steps have been made to bring traffic speed bearing capacity measurements and methods for evaluating pavement structures on the road. The paper summarizes the actual assessment procedures in Germany as well as the ongoing work on the development and implementation of new methods and techniques.

关键词： pavement assessment Germany structure system

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Highlight yield forming and innovative technologies in tropical crops

Wenquan WANG

《农业科学与工程前沿（英文）》 2016年第3卷第4期页码 283-284 doi: 10.15302/J-FASE-2016128

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城市设计竞争力评价体系研究

邹宁,张克俊,孙守迁,徐江

《中国工程科学》 2017年第19卷第3期页码 111-116 doi: 10.15302/J-SSCAE-2017.03.016

摘要：

随着知识网络时代的到来，创新设计在提升国家和城市核心竞争力、建设创新型国家进程中将发挥越来越突出的作用。本文通过分析影响城市创新设计能力水平的内在因素及其作用机理，初步构建起反映城市设计竞争力水平的综合评价体系，并选取国内外典型城市进行实证分析，最后给出提升城市设计竞争力水平的建议。城市设计竞争力评价体系研究对于科学衡量城市设计竞争力的大小、帮助城市客观认清自身的优劣势具有重要意义。

关键词：创新设计城市设计竞争力评价体系

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Special issue: innovative nuclear energy technology

《能源前沿（英文）》 2021年第15卷第4期页码 791-792 doi: 10.1007/s11708-021-0794-4

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基于RDL的桥梁结构安全监测系统数据报表的研究

张晓斌,陈卫国

《中国工程科学》 2010年第12卷第7期页码 110-112

摘要：

针对传统数据报表方案数据分析灵活性低或数据错误率高等弊端，文章转化问题为多模板报表模式，提出了一种基于报表定义语言的报表设计方案。工程应用结果表明，该方案具有灵活性高、一体化程度高和可操作性强的优点，因而能够有效地对桥梁结构安全监测系统数据进行分析。

关键词：桥梁结构安全监测系统 RDL 报表定义语言数据报表

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试析战略创新的复杂性

苗东升

《中国工程科学》 2007年第9卷第1期页码 8-14

摘要：

指明了战略创新研究属于复杂性科学，依据系统学原理诠释创新概念；论述了战略创新的复杂性在于它自身内含的对立统一；论证了国家战略创新是开放复杂巨系统，并指出驾驭这种复杂性需要建设创新型国家。

关键词：战略创新复杂性系统思维创新型国家

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Innovative piled raft foundations design using artificial neural network

Meisam RABIEI, Asskar Janalizadeh CHOOBBASTI

《结构与土木工程前沿（英文）》 2020年第14卷第1期页码 138-146 doi: 10.1007/s11709-019-0585-8

摘要： Studying the piled raft behavior has been the subject of many types of research in the field of geotechnical engineering. Several studies have been conducted to understand the behavior of these types of foundations, which are often used for uniform loading on the raft and piles with the same length, while generally the transition load from the upper structure to the foundation is non-uniform and the choice of uniform length for piles in the above model will not be optimally economic and practical. The most common method in identifying the behavior of piled rafts is the use of theoretical relationships and software analyses. More precise identification of this type of foundation behavior can be very difficult due to several influential parameters and interaction of set behavior, and it will be done by doing time-consuming computer analyses or costly full-scale physical modeling. In the meantime, the technique of artificial neural networks can be used to achieve this goal with minimum time consumption, in which data from physical and numerical modeling can be used for network learning. One of the advantages of this method is the speed and simplicity of using it. In this paper, a model is presented based on multi-layer perceptron artificial neural network. In this model pile diameter, pile length, and pile spacing is considered as an input parameter that can be used to estimate maximum settlement, maximum differential settlement, and maximum raft moment. By this model, we can create an extensive domain of results for optimum system selection in the desired piled raft foundation. Results of neural network indicate its proper ability in identifying the piled raft behavior. The presented procedure provides an interesting solution and economically enhancing the design of the piled raft foundation system. This innovative design method reduces the time spent on software analyses.

关键词： innovative design piled raft foundation neural network optimization