Journal of Computing in Civil Engineering: Recent submissions

Now showing items 2261-2280 of 2320

    • Modeling of Dynamic Systems: An Innovative Approach 

      Gilles G. Patry (American Society of Civil Engineers, 1989)
      Engineers have always been interested in describing the time‐dependent response of physical systems, whether they be the motion of a spring or the biogeochemical state of a wastewater stabilization pond. Because of the ...

    • Interactive Design Optimization of Framed Structures 

      S. S. Al‐Saadoun; J. S. Arora (American Society of Civil Engineers, 1989)
      A practical formulation for optimum design of framed structures under multiple loading and constraint conditions is described in this paper. The AISC (American Institute of Steel Construction) code limits on element stresses, ...

    • Simplified Second‐Order Elastic‐Plastic Analysis of Frames 

      Vasanti Gharpuray; J. Dario Aristizabal‐Ochoa (American Society of Civil Engineers, 1989)
      A simplified nonlinear computer algorithm that calculates the elastic‐plastic response of plane frames including the P‐Delta effects as well as the reduction in the plastic moment capacity due to axial forces is presented. ...

    • Load Redistribution in Frame with Settling Footings 

      Terence A. Weigel; Kenneth J. Ott; D. Joseph Hagerty (American Society of Civil Engineers, 1989)
      A computer program is presented that can be used to estimate actual final settlements for any frame supported on isolated spread footings. These footings can be founded in any type of soil stratum consisting of any combination ...

    • Computerized Life‐Cycle Cost Systems in the Army 

      Edgar Samuel Neely, Jr.; Robert Neathammer (American Society of Civil Engineers, 1989)
      The U.S. Army Construction Engineering Research Laboratory, Champaign, Illinois, has developed several sets of calculation methods for determining life cycle costs of facilities. Two calculation methods have been implemented ...

    • Expert System for Evaluating and Notifying Hazardous Waste Generators 

      Leel Knowles; James P. Heaney; Mark Shafer (American Society of Civil Engineers, 1989)
      Monitoring and regulating hazardous waste generators is becoming increasingly difficult. Expert systems are used to expedite the process of evaluating information on generators and reporting the results to them. This system ...

    • Microcomputer‐Aided Analysis and Design of Steel Frames 

      Magdy S. L. Roufaiel; Frank F. Monasa (American Society of Civil Engineers, 1989)
      A microcomputer software package, FRAME‐AD Version 3.00, has been developed for the analysis and design of moment‐resisting steel frames. The main feature of the software is the use of interactive computer graphics. This ...

    • Discussion of “<i>Interactive Layout Optimization of Trusses</i>” by H. Adeli and K. V. Balsubramanyam (July, 1987, Vol. 1, No. 3) 

      David Johnson (American Society of Civil Engineers, 1989)

    • Seismic Analysis of Multistory Building Systems Using Microcomputers 

      Luis A. de Béjar (American Society of Civil Engineers, 1989)
      A simple mathematical model representing the full three‐dimensional linear elastic response of multistory building systems with horizontal rigid‐body floors subjected to multicomponent earthquake excitations is presented. ...

    • Formal Evaluation of The Expert System DEMOTOX 

      Phillip J. Ludvigsen; R. Ryan Dupont (American Society of Civil Engineers, 1988)
      The expert system DEMOTOX has been developed to demonstrate the utility of applied artificial intelligence (AI) to aid in assessing groundwater contamination potential. A formal evaluation of DEMOTOX in terms of perceived ...

    • Computer Integration: Reducing Fragmentation in AEC Industry 

      H. C. Howard; R. E. Levitt; B. C. Paulson; J. G. Pohl; C. B. Tatum (American Society of Civil Engineers, 1989)
      Emerging and existing computer technologies can be synthesized in ways that provide new kinds of decision support for integrating the data, design decisions, and knowledge normally dispersed among the many participants in ...

    • Microcomputer Model for Oil Spill Simulation (MICROSS) 

      Poojitha D. Yapa; Ronald J. Thomas, Jr.; Randall S. Rutherford; Hung Tao Shen (American Society of Civil Engineers, 1989)
      An integrated microcomputer‐based model is developed for oil spill simulation, data preparation, and graphical display of results. The mathematical model for oil spills can simulate advection, horizontal diffusion, mechanical ...

    • Primary/Secondary Compression Solution Algorithm 

      Hywel Rhys Thomas; Karim Bendani (American Society of Civil Engineers, 1988)
      An algorithm for the prediction of the one‐dimensional consolidation behavior of viscous clays is described. Primary and secondary compression behavior is modeled by means of rheological descriptions of the stress/strain/time ...

    • Analysis of Nonlinear Connection Systems in Wood Dwellings 

      Anton Polensek; Boyd D. Schimel (American Society of Civil Engineers, 1988)
      Connection systems, such as those joining floor, wall, and foundation, have been long recognized as the weakest structural link in light‐frame wood dwellings. This paper describes a procedure for structural analysis and a ...

    • Closure to “<i>Interactive Layout Optimization of Trusses</i>” by H. Adeli and K. V. Balasubramanym (July, 1987, Vol. 1, No. 3) 

      H. Adeli; K. V. Balasubramanyam (American Society of Civil Engineers, 1989)

    • 3‐D General Movable Mesh in Water Circulation Modeling 

      Semaan Sarraf; René Kahawita; Nassir Eljabi (American Society of Civil Engineers, 1988)
      Based on the three‐dimensional (3‐D) hydrodynamic Navier‐Stokes equations, a numerical model is developed to simulate circulations in small shallow lakes with particularly irregular geometry. The geometry of the flow field ...

    • Knowledge‐Based Approach to Project Scheduling System Selection 

      E. William East (American Society of Civil Engineers, 1988)
      Selecting a project scheduling system is one of the most time consuming choices architects, construction managers, and contractors make. Although there are many different sources of information on scheduling software, they ...

    • Soft Logic in Network Analysis 

      Samer Tamimi; James Diekmann (American Society of Civil Engineers, 1988)
      One of the most important functions of planning is to offset uncertainty and change. However, projects are often affected by external factors or constraints that can either facilitate progress or create delays in the ...

    • Microcomputer Applications of 1‐D Saltwater Intrusion Program 

      Dinshaw N. Contractor (American Society of Civil Engineers, 1988)
      A one‐dimensional finite element program has been developed for use on the microcomputer as a study aid for students of groundwater hydrology. The program uses linear elements and the Galerkin weighted‐residual method to ...

    • Interactive Concrete Column Design 

      R. D. VanLuchene (American Society of Civil Engineers, 1988)
      A set of algorithms built on well‐established interaction equations are presented for the design of concrete columns. The algorithms employ modified linear‐interpolation‐based interval methods for solving associated nonlinear ...