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Designand development of highway tunnel maintenance and management system 被引量:4
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作者 葛敏莉 孙璐 《Journal of Southeast University(English Edition)》 EI CAS 2015年第1期137-142,共6页
In order to solve the urgent problem of how to manage and sustain highway tunnels with advanced information technology with the background of the rapid development in the modem traffic, and achieve the cost- effective... In order to solve the urgent problem of how to manage and sustain highway tunnels with advanced information technology with the background of the rapid development in the modem traffic, and achieve the cost- effectiveness optimal principle objectives under the premise of guaranteeing a smooth flow of traffic; a highway tunnel maintenance and management system framework and the key modules were proposed. First, the determined highway tunnel condition assessment index system was established according to the result of expert consulting forms. Secondly, the tunnel diseases, the corresponding maintenance measurements, and many-to-many relationship between diseases and maintenance measurements were introduced. Then, three kinds of 0-1 integer programming models were built according to different tunnel operators' needs in the optimization decision module. Finally, the further development and implementation of the system was prospected. The research results can provide references to tunnel researchers and managers. 展开更多
关键词 maintenance and management system highwaytunnel condition assessment distress treatment cost-benefitanalysis
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Research development of digital maintenance and management system for long-span cable-stayed bridges
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作者 任远 黄侨 孙永明 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2009年第1期96-100,共5页
Digital cable-stayed bridge maintenance and management system (DCBMS) was developed for the need of maintenance and management of long-span cable-stayed bridges. In this paper, the major functions and theoretical ap... Digital cable-stayed bridge maintenance and management system (DCBMS) was developed for the need of maintenance and management of long-span cable-stayed bridges. In this paper, the major functions and theoretical application of eight modules were systematically stated with the background of Harbin Songhua River cable-stayed bridge, which include data management module, inspection and measurement module, assessment module, finite dement analysis module, disease diagnosis and prediction module, maintenance module, query module and help module. By analyzing and calculating the data from manual inspection database, basic database and health monitoring subsystem, DCBMS can accomplish the functions like life prediction, disease diagnosis, comprehensive assessment, maintenance and management of bridges. Therefore, the maintenance and management of long-span cable-stayed bridges can be made digital, professional and scientific. By running this system, a real-time and specific technical guidance can be provided for the maintainers and managers of long- span cable-stayed bridges. 展开更多
关键词 cable-stayed bridges system development maintenance and management comprehensive assessment disease diagnosis
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On Syllabus Design for the Specialty of Electromechanical Equipment Maintenance and Management in Vocational College
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作者 YU Jun-ping, YAN He-feng Zhejiang Electromechanical Vocational Technical College, Hangzhou 310012,P. R. China 《International Journal of Plant Engineering and Management》 2001年第2期110-112,共3页
We carried out researches on the syllabus design for the specialty of electromechanical equipment maintenance & management in vocational college. Our researches involve the following aspects: (1) The training obje... We carried out researches on the syllabus design for the specialty of electromechanical equipment maintenance & management in vocational college. Our researches involve the following aspects: (1) The training objective of the specialty; (2) the curriculum system; (3) The teaching methodology; and (4) Field training. 展开更多
关键词 vocational education syllabus design equipment maintenance and management
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Digital Vision Based Concrete Compressive Strength Evaluating Model Using Deep Convolutional Neural Network 被引量:7
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作者 Hyun Kyu Shin Yong Han Ahn +1 位作者 Sang Hyo Lee Ha Young Kim 《Computers, Materials & Continua》 SCIE EI 2019年第9期911-928,共18页
Compressive strength of concrete is a significant factor to assess building structure health and safety.Therefore,various methods have been developed to evaluate the compressive strength of concrete structures.However... Compressive strength of concrete is a significant factor to assess building structure health and safety.Therefore,various methods have been developed to evaluate the compressive strength of concrete structures.However,previous methods have several challenges in costly,time-consuming,and unsafety.To address these drawbacks,this paper proposed a digital vision based concrete compressive strength evaluating model using deep convolutional neural network(DCNN).The proposed model presented an alternative approach to evaluating the concrete strength and contributed to improving efficiency and accuracy.The model was developed with 4,000 digital images and 61,996 images extracted from video recordings collected from concrete samples.The experimental results indicated a root mean square error(RMSE)value of 3.56(MPa),demonstrating a strong feasibility that the proposed model can be utilized to predict the concrete strength with digital images of their surfaces and advantages to overcome the previous limitations.This experiment contributed to provide the basis that could be extended to future research with image analysis technique and artificial neural network in the diagnosis of concrete building structures. 展开更多
关键词 Concrete compressive strength deep learning deep convolutional neural network image-based evaluation building maintenance and management
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Application of Wild Flowers in City Colors
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作者 WANG Dongjian 《Journal of Landscape Research》 2014年第3期35-36,共2页
Types and application of wild flower combinations were introduced,selection principles and compositions analyzed according to different application environments.According to environmental conditions and application st... Types and application of wild flower combinations were introduced,selection principles and compositions analyzed according to different application environments.According to environmental conditions and application styles of the planning site,cultivation and maintenance of wild fl ower combinations were studied to explore the cultivation and application techniques of different combinations,ecological landscape functions of wild fl ower combinations,and application prospects in northern cities of China. 展开更多
关键词 Wild flower combinations LandSCAPE Cultivation and application maintenance and management
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