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The Influence of Preform on the Vibration Mode of a Thin Plate
In this paper, an algorithm is developed for the calculation of the vibration mode of a preformed thin plate. The principal governing equations are derived by using the large-deflection...

Time-Dependent Analysis of Nonprismatic Curved PC Box Girder Bridges
The purpose of this paper is to present a step-by-step computer method for predicting the deflection and stress distribution duo to creep and shrinkage of concrete in nonprismatic, curved,...

The Reliability Program in Truncated JC Method
JC method is in common use in the structure reliability analysis. In this paper, the program which can be used as to consider the truncated distribution has been proposed, With this method...

Integrating Database and Geometric Modeling Technologies to Manage Facility Information
Existing engineering data models provide various means of representing, organizing and linking information about constructed facilities in a computer-integrated environment. However, they...

Space Schedule Construction
The layout of temporary facilities on a construction site is affected by changes in a construction schedule, including changes in activity duration, resource selection, and resource allocation...

Rive, Rive-Grown and Burst Probability of Rolled Compressive Concrete Arch Dam
The rive, every step of the rive grown and even burst of arch dam are regarded as sequence random events. Making use of the probability theory and the achievement of elastic, elastic-plastic...

The Application of Gauss Numerical Integration Method in Arch Dam Trial-load Method Program
The characteristics of Gauss Numerical Integration Method are the unequal distance between nodes and fairly high accuracy. When the number of nodes is n, the algebraic accuracy can be...

Managing the Data Explosion
Sound data management practices have always been central to a successful project. However, the data explosion brought on by high-tech electronic sensors and automatic samplers can exceed...

Nondestructive Evaluation Techniques and Their Role in Infrastructure Management
Nondestructive evaluation (NDE) techniques can play an important role in infrastructure management. They can be used to assess current condition a well as to predict future performance...

Sonic NDT for Infrastructure Assessment
Sonic Nondestructive Testing (NDT) techniques are valuable tools for assessing infrastructure. Relatively recent innovations in the field can reveal the internal conditions of concrete...

Promoting Management Systems Within Organizations
The major effort during the years in which pavement management emerged as an accepted practice was making refinements to the technical models and techniques in the systems. For example,...

Modeling the Spatial Structure of Facility Condition
This study develops methods for information extraction that he bridge the gap between the detailed condition data collected by advanced technologies and the information necessary for maintenance...

TRACK(1.0): A Railroad Track Design and Evaluation Computer Program for Work Planning and Budgeting
This paper describes TRACK, a track structural analysis method and computer program developed by the U.S. Army Construction Engineering Research Laboratories. TRACK is a program for evaluating...

Cost-Benefit Evaluation of Network Level Pavement Management
This paper presents a cost-benefit analysis prepared for senior management. It uses the Alberta pavement management system as the primary case, and the Arizona PMS system as the second...

Effective Use of Statistical Analysis for Data Collection and Model Development
Infrastructure managers require enormous amount of data for their planning, design, and construction operations. Often the emphasis on quality of data collection, analysis, and interpretation...

Tunnel Repairs Under Traffic and Community Impacts
Maintaining and rehabilitating the nations existing urban infrastructure is vital for the long term economic health of the cities in which the facilities are located. Successful rehabilitation...

Infrastructure Management System: A Novel Approach
Traditional techniques of recording field data, and evaluation usually result in voluminous paper work. To streamline this operation, Sverdrup pioneered the use of an innovative CADD-Graphics...

Automating Inventory and Assessment of Infrastructure
Due to the large amount of information required to describe the components of infrastructure, automated tools are required to speed data collection and access to this information. This...

Tie Model: A Crosstie Replacement Planning and Costing Model
The Tie Model described in this paper is a maintenance planning and life-cycle costing model for wood crossties. The model includes a number of different failure modules to predict crosstie...

Evaluation of Two Automated Thresholding Techniques for Pavement Images
Thresholding of pavement images is an important step towards the design of an automated pavement crack detection system. However, traditional automated thresholding techniques generally...

 

 

 

 

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