• Title/Summary/Keyword: construction monitoring

Search Result 1,719, Processing Time 0.03 seconds

A Study of The Present State Analysis and Development Plans About Construction Monitoring and Monitoring Industry (건설 계측 및 계측업의 현황 분석과 발전 방안 연구)

  • Woo, Jong-Tae
    • KSCE Journal of Civil and Environmental Engineering Research
    • /
    • v.30 no.2D
    • /
    • pp.163-169
    • /
    • 2010
  • Construction monitoring and monitoring industry have been rapidly developed with advance of IT industry and telecommunication. However institutional, legal supports that need to settle the construction monitoring are practically inadequate. So development plans that are reflected enquete results about the present state of construction monitoring are considered. A way that consider establishment Korea construction monitoring association and society, deal with relevant law appointing monitoring industry, consider enactment and revision of construction monitoring design standard and specifications, appoint practical construction monitoring educational institution, appoint an efficiency test specialty institution of monitoring equipment, consider the term of guarantee of monitoring equipment consider enactment and revision of estimating cost of construction measurement, consider ratio of monitoring equipment loss for developing construction monitoring and monitoring industry are proposed.

Development and application of construction monitoring system for Shanghai Tower

  • Li, Han;Zhang, Qi-Lin;Yang, Bin;Lu, Jia;Hu, Jia
    • Smart Structures and Systems
    • /
    • v.15 no.4
    • /
    • pp.1019-1039
    • /
    • 2015
  • Shanghai Tower is a composite structure building with a height of 632 m. In order to verify the structural properties and behaviors in construction and operation, a structural health monitoring project was conducted by Tongji University. The monitoring system includes sensor system, data acquisition system and a monitoring software system. Focusing on the health monitoring in construction, this paper introduced the monitoring parameters in construction, the data acquisition strategy and an integration structural health monitoring (SHM) software. The integration software - Structural Monitoring/ Analysis/ Evaluation System (SMAE) is designed based on integration and modular design idea, which includes on-line data acquisition, finite elements and dynamic property analysis functions. With the integration and modular design idea, this SHM system can realize the data exchange and results comparison from on-site monitoring and FEM effectively. The analysis of the monitoring data collected during the process of construction shows that the system works stably, realize data acquirement and analysis effectively, and also provides measured basis for understanding the structural state of the construction. Meanwhile, references are provided for the future automates construction monitoring and implementation of high-rise building structures.

A MODEL OF CONSTRUCTION WORKER'S PERCEPTIONS ON ELECTRONIC MONITORING

  • Bill L.P. Lee;Stephen Mak
    • International conference on construction engineering and project management
    • /
    • 2009.05a
    • /
    • pp.190-195
    • /
    • 2009
  • With the growth of information and communication technologies adoption in construction projects, it could be anticipated that more property owners and construction firms will attempt to use electronic gears and gadgets for site monitoring or surveillance purposes. As the construction workers may be the major group of project team members being monitored, from managerial perspectives and for ethical reasons, it is essential to investigate their degree of acceptance on site monitoring systems. Indeed studies on office workplace monitoring suggest that a monitoring system could shape or control the behaviors of employees. With adequate refinements, their research models could be applicable in the construction industry. This paper presents a model for analyzing the antecedences that affect workers' acceptance level on electronic monitoring, and investigating if there is any behavioral change.

  • PDF

A Study on Development of Remote Site Monitoring System in Public Road Construction Projects (공공 도로건설사업에서의 원격 현장모니터링 체계 구축에 관한 연구)

  • Ok, Hyun
    • International Journal of Highway Engineering
    • /
    • v.14 no.6
    • /
    • pp.57-65
    • /
    • 2012
  • PURPOSES : Efficiency Improvement of a public road construction project management work using the development of a real-time remote site monitoring system METHODS : In this study, we developed the remote site monitoring system using a web camera for road construction projects in the RCMA(Regional Construction Management Administration). We can be monitored a construction progress and a weak point of the situation in real time using this. To achieve this, we tested about 10 road construction projects ordered by RCMA. Then, we verified a applicability for the site monitoring system in future. RESULTS : Take advantage of the remote site monitoring system consists of the Construction CALS System, one of the business systems used in the part of the MLTM(Ministry of Land, Transport and Maritime Affairs) institution-agencies. Was configured to be served through the "Construction CALS System" of "Construction Management System(Contractors)" and the "Construction CALS Portal System". Through this, Benefit analysis through a pilot application of the 10 road construction sites and developing considerations and "Guide for visual information processing equipment installation-operating in construction sites"are presented. CONCLUSIONS : Through the establishment of remote site monitoring system can improve the efficiency of construction management services. In addition, Various disasters and calamities, accidents and illegal construction will be prevented in advance is expected. This is expected to further improve the quality of the facilities.

A Study on the Improvement Plan of Construction Noise Monitoring (공사장 소음모니터링 개선방안에 관한 연구)

  • Park, Young-Min;Kim, Kyoung-Min
    • Transactions of the Korean Society for Noise and Vibration Engineering
    • /
    • v.23 no.12
    • /
    • pp.1056-1065
    • /
    • 2013
  • Noise generated from Construction site has been raised most civil complaints to 64.4 % among the environmental pollution in 2011. Therefore, local government recommends and prescribes that construction sites over a certain scale install sound level meter for noise monitoring. For example, Seoul has implemented a 24 hour noise monitoring system, with real time communication, to the large construction sites more than 10,000 $m^2$ from the end of August 2012. But it is difficult to use noise measurement data for the construction noise assessment, since the installation standards and technical specifications for construction noise monitoring system are not presented. In this paper, we proposed noise monitoring system improvement plan including technical specifications and installation standards using the investigating results of the problems of current noise monitoring system and the foreign cases.

CONSTRUCTION EQUIPMENT ACTIVITY RECOGNITION FROM ACCELEROMETER DATA FOR MONITORING OPERATIONAL EFFICIENCY AND ENVIRONMENTAL PERFORMANCE

  • Changbum R. Ahn;SangHyun Lee;Feniosky Pena-Mora
    • International conference on construction engineering and project management
    • /
    • 2013.01a
    • /
    • pp.188-195
    • /
    • 2013
  • Construction operations generate a significant amount of air pollutant emissions, including carbon emissions. The environmental performance of construction operations is closely relevant to the operational efficiency of each resource employed, which indicates how efficiently each resource (e.g., construction equipment) is utilized. In this context, monitoring the operational efficiency of construction equipment provides key information in managing and improving the environmental performance and productivity of construction operations. In this paper, we report our efforts to measure the operational efficiency of construction equipment, using low-cost accelerometers. An experimental study and real-world case studies are conducted to demonstrate the feasibility of the proposed approach. The results have shown the potential of this approach as an economically feasible means of monitoring the environmental performance of construction operations.

  • PDF

A Study on Analysis of Construction Monitoring Cost and Improvement Measures of Railway Tunnel Construction in Seoul (서울시 철도터널 건설공사의 공사계측비 분석 및 개선방안 연구)

  • Jong-Tae Woo
    • Journal of the Society of Disaster Information
    • /
    • v.19 no.1
    • /
    • pp.18-30
    • /
    • 2023
  • Purpose: This study is to contribute to the development of monitoring technology through the increase of confidence in construction monitoring by deriving the analysis of construction monitoring cost and improvement measures of railway tunnel construction in Seoul. Method: It presents the status on design and contract of construction monitoring cost, status on application construction monitoring cost and its analysis, analysis on safety management cost and quality management cost, expansion of application of the price calculation standard for monitoring management services to improve this, and monitoring for direct order of ordering organization. Results: If the monitoring management service that was meanwhile ordered as included in the construction work is performed by the directly selected company of ordering organization through the preliminary screening for bidding qualification, then the improvement of monitoring quality and the accurate monitoring data can be secured. Conclusion: For the price calculation standard for monitoring management service, the application of actual cost addition method under the Engineering Promotion Act and the calculation standard of monitoring management cost for standard estimation for ground survey should be extended through the direct order of ordering organization, not the method to be included in the net construction cost where it is performed by a subcontractor via contractor.

A Study on the Cause and Improvement Plans of Construction Monitoring Sensors Decline in Durability (건설 계측센서의 내구연한 저하원인 및 개선방안 연구)

  • Woo, Jong-Tae
    • Journal of the Society of Disaster Information
    • /
    • v.15 no.1
    • /
    • pp.28-38
    • /
    • 2019
  • Purpose: The purpose of this study is to contribute to improvement of measurement management level of construction structure and technology development of monitoring sensor by presenting the detailed causes and improvement plans of construction monitoring sensor's decline in durability. Method: The causes and improvement plans of the durability degradation of the construction monitoring sensor were divided into the construction field and the electric, electronic field. The detailed status was reviewed. Results: In the field of construction, approval and inspection, inspection and testing, verification and calibration, and minimization of loss and damage ratio were reviewed. In the field of electric and electronics, sensor package and sealing, disconnection of stress concentration area, damage caused by lightning and corrosion were reviewed. Conclusion: It is expected that the durability of monitoring sensors applied to the construction site will become longer than the present status based on the study that analyzed causes and improvement plans of construction monitoring sensor's decline in durability in the field of construction and electric, electronic devices.

Safety Assessment and Behavior Control System using Monitoring of Segmental PSC Box Girder Bridges during Construction (세그멘탈 PSC박스거더교량의 시공간 계측모니터링을 통한 확률적 구조안정성 평가 및 제어 시스템)

  • Shin, Jae-Chul;Cho, Hyo-Nam;Park, Kyung-Hoon;Bae, Yong-Il
    • Journal of the Korea institute for structural maintenance and inspection
    • /
    • v.5 no.3
    • /
    • pp.191-201
    • /
    • 2001
  • In spite of the increasing construction of segmental PSC box girder bridges, the techniques associated with real-time monitoring, construction control and safety assessment during construction have been less developed compared with the construction techniques. Thus, the development of an integrated system including real-time measurement and monitoring, control and safety assessment system during construction is necessary fur more safe and precise construction of the bridges. This study presents a prototype integrated monitoring system for preventing abnormal behavior and accidents under construction stages, that consist of behavior control system for precise construction, reliability-based safety assessment system, and structural analysis. Also, a prototype software system is developed on the basis of the proposed model. It is successfully applied to the Sea-Hae Grand Bridge built by FCM. The integrated system model and software system can be utilized for the safe and precise construction of segmental PSC bridges during construction.

  • PDF

MONITORING CONSTRUCTION PROCESSES: A SOLUTION USING WIRELESS TECHNOLOGY AND ONLINE COLLABORATIVE ENVIRONMENT

  • Sze-wing Leung;Stephen Mak;Bill L.P. Lee
    • International conference on construction engineering and project management
    • /
    • 2007.03a
    • /
    • pp.50-60
    • /
    • 2007
  • The endeavor of this paper focuses on designing a monitoring system to provide a cost-effective solution on quality assurance for construction projects. The construction site monitoring system integrates a long-range wireless network, network cameras, and a web-based collaborative platform. The users of the system could obtain the most updated status of construction sites, such as behaviors of workers, project progress, and site events anywhere with Internet connectivity. It was carefully configured in order to maintain the reliability under the reactive conditions of the construction sites. This paper reports the architecture of the monitoring system and reviews the related technologies. The system has been implemented and tested on a construction site and promising results were obtained.

  • PDF