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Time-Dependent Nonlinear Analysis of Cable-Supported Prestressed Concrete Bridges
A method of analysis and a computer program CFRAME for the material and geometric nonlinear analysis of cable-supported planar prestressed concrete bridges including the time-dependent...

Object-Oriented Modelling for Concrete Structures
The use of computers for the design process has reached wide acceptance. The use is developed in several fields such as CAD, CAM or programs for design of structural elements. Recent work...

Finite Element Representation of Approach Slabs
Approaches to bridges are designed to provide a smooth and safe transition from the highway pavement to the bridge deck and back to the highway pavement. Generally this transition area,...

Grillage Analogy for Multigirder Bridges
Grillage analogy is a method frequently used to simulate the structural response of highway bridges with reinforced concrete deck and steel girders. This approach saves substantial efforts...

Combined Boundary Element and Finite Element Analysis of Composite Slab on Girder Bridges
In this paper, the coupling of boundary element and finite element methods and its application to analyze slab on girder bridges are studied. The boundary element method (BEM) is employed...

A Finite Difference Approach to the Modelling of Thick Bridge Decks
The finite difference method, although well known as an efficient numerical method, was applied in the past, in the case of slabs, only for the solution of thin slabs. In the present study,...

Research of the Limit Function About Imperfection and the Approximately Calculating Method of the Internal Forces of Hyperbolic Cooling Tower
The authors use the finite elemental program, which made by themselves and makes use of finite element method with rotational shell, to calculate the deformation in hyperbolic cooling...

Developing an Integrated Database Structure for the Lifecycle of Precast Concrete Projects
This paper presents an integrated database structure for the storage and retrieval of information during the planning, design, manufacturing and construction of a structural precast concrete...

Quality Control and Constructability of Slabs on Grade With Expert Systems
Constructability and quality control problems associated with the construction of slabs on grade are many. They vary from problems associated with cracking, scaling, dusting and spalling,...

Accurate and Efficient Element for Analysis of Concrete Structures
Reinforcement details in concrete structures are inherently complex. Therefore, the treatment of reinforcements is one of the most influential factors in the accuracy and efficiency of...

Stress Analysis in Concrete with Cooling Pipes
A substructure method of finite element analysis is adopted in this paper to simulate heat transfer and thermal stresses in a concrete dam. The massive concrete structure is cooled by...

Non-linear Analysis of a Cable Stayed Bridge
A concrete single-pylon cable-stayed bridge has been analyzed to investigate the ultimate capacity. Two different methods were used to investigate the nonlinear behaviour. First, a simplified...

Application of PC Graphics, CADD, and Solid Modeling Techniques to 3-D Structural Stability of Concrete Monolithic Structures
A computer program for computing 3-D overturning and sliding stability (3DSAD) of concrete monolithic structures has been written and is widely used. This paper describes recent advances...

Integrated Slab Design Automation System Using Knowledge-based Approach
There has been a strong trend towards the integration of computer aided design and engineering during recent years. But all the systems can not provide the completely integrated functions,...

A Simulation of the Quake-response on the Frame with Large Basement-box under the Earthquake from Deep Soil Layer
This paper treats a study of computing vibratory analysis and its comparison with measurements for the earthquake-responses on an actual 19 storied pure frame-structure with its height...

Linking CAD and Expert Systems for Constructibility Reasoning
This paper describes the prototype expert system COKE (Construction Knowledge Expert) that was recently developed at the Center for Integrated Facility Engineering (CIFE) at Stanford University....

The Use of Numerical Rule Processors in Engineering Calculations
A Numerical Rule Processor uses a declarative approach to the processing of engineering calculations. The rules which link the parameters are set out in a separate rule base and the order...

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...

After the Blast
On February 26, 1993, a bomb exploded in an underground parking garage beneath the World Trade Center, killing six, causing hundreds of millions of dollars in damage and leaving a crater...

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...

 

 

 

 

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