• Title/Summary/Keyword: Hua construction

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LANDSCAPE PREFERENCE EVALUATION TO THE BREAKWATERS OF FISHING HARBORS IN TAIWAN

  • Yi-Juin Kuan;Hsien-Kuo Chang;Yi-yu Kuo;Shao-Tsai Cheng
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.615-620
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    • 2005
  • The aim of this study is to evaluate the public preference to the breakwaters of fishing harbors in Taiwan, so that the results could be applied to the successive study of breakwater landscape improvement. Among the breakwaters' photographs those took on the fishing harbors, this study picked up 4 photos for demonstration and 60 for questionnaire according to their spatial types configured with crest of breakwater, crown wall, and armoring blocks) and other landscape factors. The preference evaluation was conducted by questionnaire to the public, 385 effective questionnaires were taken into analysis. Results reveals: (1) the open, colorful, recreational and water-intimate breakwaters are preferred. (2) The combination types and visual elements (shapes, colors, textures, lines and scales) of breakwaters are also influence the public preference.

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PERFORMANCE EVALUATION OF THE CONSTRUCTION KNOWLEDGE MANAGEMENT SYSTEM-A CASE STUDY OF AN A/E CONSULTING FIRM

  • Wen-der Yu;Pei-lun Chang
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.1058-1063
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    • 2005
  • More and more organizations in construction industry adopt knowledge management system (KMS) to facilitate process of creating, acquiring, capturing, sharing, and using knowledge so as to improve the competitiveness, productivity and efficiency of their organization. In spite of the tremendous efforts devoted to KMS, the return of investment on KMS is usually a black box to the investor due to the lack of a systematic framework for performance evaluation of the KMS. This paper aims at fulfilling such need. A conceptual performance evaluation framework is proposed based on Balanced Scorecard (BSC) method. Then a preliminary case study is conducted to assess the applicability of the proposed framework in an A/E consulting firm to evaluate the performance of KMS.

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RESEARCH OF THE BEST TIMING FOR GOVERNMENT'S TERMINATION OF FREEWAY REPAIR WORK CONTRACT

  • Jin-Fang Shr;Da-Jung Chang
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.699-704
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    • 2005
  • Normally, monetary penalties for breach of agreement will be stipulated in the contract. The contractor parties, who fail to fulfill the agreement, are required to pay the other parties a certain amount or proportion of money as a fine. However, it is worth our study - whether or not the scope of monetary penalty implementation and bases for determination of a fine will cover the losses of social and administrative costs incurred by the interruption of the contract. This research is about the best timing for government to cancel the freeway repair work contracts. Under the goal of the maximum social welfare, the limitation of government spending for the social and administrative costs invoked by interruption of contracts will have to be considered to attain the best timing of contracts' suspension or deferment. According to the factors of social and administrative costs, the best time point is calculated to reduce the loss of the aforesaid costs, which can also be used as theoretical basis for the future road-widening construction at home.

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DEVELOPMENT OF ERP INTEGRATION SYSTEM FOR SPORTS INDUSTRY IN TAIWAN

  • Yan-Chyuan Shiau;Yu-Min Hsu;Shu-Jen Sung;Chih-Kun Chu;Hsiang-Lun Cheng;Tsung-Pin Tsai
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.1028-1035
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    • 2005
  • Traditional Industries were planning the major role for Taiwan's economy. However, we need to face the competition from developing countries. Moving manufacturing department to other low salary countries, such as China, can only temporarily release some limited pressure. The final and complete solutions are to equip on R&D, refine techniques, improve management capabilities, upgrade business, and reform physique. Currently there are some ERP systems on the market; however, they are designed for common purpose and difficult to introduce into industry. The expensive price is another factor to make them be popular. In this research we will Object Oriented, Visual Modeling, ER Model and Windows Environment to develop an Integrated Management System for Sports Requisites Industries (IMSSRI). We will integrate all information from all departments such as development, business, material administration, manufacture, shipping, and financial. When development people construct the all modules, components, cutting molds, materials and accessories, IMSSRI will calculate all needed materials and cost for each product. This cost will be used for quotation to report to our customers. When customers confirm the order, system will transfer all necessary materials into Material Administration System. IMSSRI can generate manufacturing forms and material raw lists for manufacture department. All related information such as stocking, returning goods, material requesting, and material returning can be integrated so we can control all details of the whole enterprise. Through the help of this system, we hope we can save man-power, reduce human mistakes, raise management capabilities for tradition manufacturing industries and create another possibility of eternal operating for Taiwan's Industries.

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Numerical and experimental study on evaluating the depth of caisson foundation with Sonic Echo method

  • Tong, Jian-Hua;Liao, Shu-Tao;Liu, Kang-You
    • Earthquakes and Structures
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    • v.3 no.3_4
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    • pp.519-532
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    • 2012
  • Using nondestructive testing techniques to evaluate the length or depth of an existing foundation is an important issue with potential high application values. One of these is to evaluate whether the foundation is broken after severe earthquakes. In this aspect, academic research related to nondestructive evaluation for caisson foundations is rarely reported. The objective of this paper is to study the feasibility of using Sonic Echo method to evaluate the depth of caisson foundations. Two types of caissons, simple cylindrical caisson and compound caisson with chambers, were studied for their responses to the Sonic Echo tests. The study was carried out in numerical simulation with finite element method and experimental way with in-situ tests. A bridge system which spans over Sofong Brook in Taiwan was selected for the tests in situ. The bridge system is still under construction and therefore the effect of different construction stages on the testing results may be studied. In this paper, the parameters to be varied for the studies include the testing locations and the existence of chamber plates, the bottom plate and the top plate. Finally some preliminary conclusions can be reached for a successful test.

THE INVESTIGATION OF PROPERTY MANAGEMENT AND DEVELOPMENT OF "BUILDING ADMINISTRATION SYSTEM"

  • Yan-Chyuan Shiau ;Cheng-Wei Liu ;Shu-Jen Sung;Chih-Kun Chu;Tsung-Pin Tsai
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.550-557
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    • 2005
  • Because each building is built in different time, there exists different equipment to meet the need for each age. Before the announcement of "Community Management Regulation", the old communities usually suffer the problem of lower requirement and living quality. This may bring some security problem that we should face. In this research, we construct "Building Administration System" to provide users a tool to perform a standard operation procedure in community management. This powerful tool will also help manager to effectively handle important tasks in property administrating by reducing unnecessary documentation. In the current regulation, all community committee members shall be voted each year. This will seriously affect the cumulative of management knowledge and cause a worse efficiency. In this research, we use Object Oriented concept and Visual Modeling techniques to combine with Interbase, ER/Studio, and Delphi to develop this management system for Building Property. Through the help of current computing technology, we can solve the problem that can not be inherited and the storing of the huge amount of data. In this system, we develop the modules such as Basic Data Module, Administrative Expense Calculation, Receipt Print, and Inquiring for Inheritance. In this system, we have integrated all houses, parking lots, and public equipments in it. Manager will only need to handle some basic accounting data; the system will automatically handle the rest. Through the help of this system, the community management staff can be easily accomplished and put more manpower on some needed aspect to improve the living quality.

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COMPARISON OF THREE PCM PERFORMANCE EVALUATION SYSTEMS IN TAIWAN

  • Wen-der Yu ;Yen-ping Hsu
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.719-724
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    • 2005
  • It has been debating on the performance evaluation of professional construction management (PCM) services since its introduction to Taiwan's construction industry more than a decade ago. Several evaluation systems were proposed by previous researchers. However, there has no comparison study been conducted for the feasibility, effectiveness, and appropriateness of these systems to the performance management (PM) of practical PCM services. This paper is intended for this end to compare the existing PCM performance evaluation systems in Taiwan. A real world design/build (D/B) building project was selected for case study. The result of case study concludes and compares the pro's and con's of the three systems. At the end, it recommends strategies for selecting the most appropriate PCM performance evaluation for PCM services.

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Modeling strength of high-performance concrete using genetic operation trees with pruning techniques

  • Peng, Chien-Hua;Yeh, I-Cheng;Lien, Li-Chuan
    • Computers and Concrete
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    • v.6 no.3
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    • pp.203-223
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    • 2009
  • Regression analysis (RA) can establish an explicit formula to predict the strength of High-Performance Concrete (HPC); however, the accuracy of the formula is poor. Back-Propagation Networks (BPNs) can establish a highly accurate model to predict the strength of HPC, but cannot generate an explicit formula. Genetic Operation Trees (GOTs) can establish an explicit formula to predict the strength of HPC that achieves a level of accuracy in between the two aforementioned approaches. Although GOT can produce an explicit formula but the formula is often too complicated so that unable to explain the substantial meaning of the formula. This study developed a Backward Pruning Technique (BPT) to simplify the complexity of GOT formula by replacing each variable of the tip node of operation tree with the median of the variable in the training dataset belonging to the node, and then pruning the node with the most accurate test dataset. Such pruning reduces formula complexity while maintaining the accuracy. 404 experimental datasets were used to compare accuracy and complexity of three model building techniques, RA, BPN and GOT. Results show that the pruned GOT can generate simple and accurate formula for predicting the strength of HPC.