Journal of Computing in Civil Engineering: Recent submissions
Now showing items 1781-1800 of 2320
-
Framework for Managing Life-Cycle Cost of Smart Infrastructure Systems
(American Society of Civil Engineers, 2004)Smart infrastructure systems life-cycle costing has not receive much attention from researchers, albeit its considerable potential and proven success. This paper presents a framework to manage the life-cycle cost of these ... -
Fuzzy Waste Load Allocation Model: Simulation-Optimization Approach
(American Society of Civil Engineers, 2004)The problem of waste load allocation (WLA) for water quality management of a river system is addressed with a simulation-optimization approach. The WLA model developed in the study provides the best compromise solutions ... -
Automated Quality Assessment of Stone Aggregates Based on Laser Imaging and a Neural Network
(American Society of Civil Engineers, 2004)An automated quality assessment technique is proposed for rapidly detecting excessive size variations during the production of stone aggregates. The system uses a laser profiler to scan collections of aggregate particles ... -
Use of Image Analysis in Determination of Strain Distribution During Geosynthetic Tensile Testing
(American Society of Civil Engineers, 2004)Determining the deformation response of geosynthetics under load is important in developing an in-depth understanding of the engineering behavior of these materials. Current strain determination methods employed as part ... -
Characterizing Surface Roughness and Shape of Sands Using Digital Microscopy
(American Society of Civil Engineers, 2004)This paper presents detailed microscopic analyses of the surface roughness, roundness, and sphericity of sands. The surface roughness of three silica sands was studied using the optical interferometry approach. It was ... -
Adaptive Cross Correlation for Imaging Displacements in Soils
(American Society of Civil Engineers, 2004)Digital image correlation (DIC) is used in this paper to study two-dimensional spatial soil deformations nonintrusively. Adaptive cross correlation (ACC), which is an advanced cross-correlation algorithm that utilizes ... -
Two-Stepped Evolutionary Algorithm and Its Application to Stability Analysis of Slopes
(American Society of Civil Engineers, 2004)Based on genetic algorithm and genetic programming, a new evolutionary algorithm is developed to evolve mathematical models for predicting the behavior of complex systems. The input variables of the models are the property ... -
Application of Imaging Techniques to Geometry Analysis of Aggregate Particles
(American Society of Civil Engineers, 2004)This paper presents image analysis techniques by which to characterize the texture, angularity, and form of aggregate particles used in highway construction and geotechnical applications. For texture analysis, wavelet ... -
Data Division for Developing Neural Networks Applied to Geotechnical Engineering
(American Society of Civil Engineers, 2004)In recent years, artificial neural networks (ANNs) have been applied to many geotechnical engineering problems with some degree of success. In the majority of these applications, data division is carried out on an arbitrary ... -
Real-Time Image Thresholding Based on Sample Space Reduction and Interpolation Approach
(American Society of Civil Engineers, 2003)Real-time thresholding is very essential for real-time processing. In this paper, we use pavement crack detection as an example to explain the principle of the proposed approach. Conventional visual and manual analysis ... -
Three-Dimensional Digital Representation of Granular Material Microstructure from X-Ray Tomography Imaging
(American Society of Civil Engineers, 2004)This paper presents the use of x-ray tomography imaging to reconstruct a three-dimensional (3D) digital representation of individual particles in a granular system. The granular system is represented by the mass center ... -
Wavelet Analysis of Soil Mass Images for Particle Size Determination
(American Society of Civil Engineers, 2004)A method for determination of average grain size from images of fairly uniform particle size soil masses is presented. The procedure utilizes two-dimensional wavelet decomposition of gray scale images. Earlier attempts to ... -
Parameter Estimation in Groundwater Hydrology Using Artificial Neural Networks
(American Society of Civil Engineers, 2003)The capability of artificial neural networks to act as universal function approximators has been traditionally used to model problems in which the relation between dependent and independent variables is poorly understood. ... -
Modeling the Construction Management Process to Support Situational Simulations
(American Society of Civil Engineers, 2003)Construction managers are decision makers who administer nontrivial processes. The replacement of highly experienced construction managers and other construction professionals is a laborious process for the industry. This ... -
Application of Fourier Analysis to Digital Imaging for Particle Shape Analysis
(American Society of Civil Engineers, 2004)The shape of aggregates has an important influence on the behavior of civil engineering materials. Digital imaging techniques provide unique opportunities for describing these features in an automated fashion. Shape analysis ... -
Reviewers
(American Society of Civil Engineers, 2003) -
Technical and Computational Aspects of the Measurement of Aggregate Shape by Digital Image Analysis
(American Society of Civil Engineers, 2004)Aggregates need to pass numerous tests to ensure the performance of asphalt and concrete structures and pavements. Some of these tests are fairly onerous, requiring manual, labor intensive, cost ineffective measurements ... -
Study of Applying Macroevolutionary Genetic Programming to Concrete Strength Estimation
(American Society of Civil Engineers, 2003)This technical note is aimed at demonstrating a mixture-proportioning problem, which uses the macroevolutionary algorithm (MA) combined with genetic programming (GP) to estimate the compressive strength of high-performance ... -
Multiagent System for Construction Claims Negotiation
(American Society of Civil Engineers, 2003)Negotiation is an important aspect of the construction process. Different negotiation theories and models are available and have been deployed in a variety of situations. In some cases, these have been incorporated into ... -
Engineering Information Service Infrastructure for Ubiquitous Computing
(American Society of Civil Engineers, 2003)This paper describes a software framework for the development of a ubiquitous computing environment for distributed engineering information services. Two fundamental issues are addressed: universal accessibility of devices ...