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Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 2883941017
Category : Technology & Engineering
Languages : en
Pages : 225
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Book Description
fib Bulletin 61 is a continuation of fib Bulletin 16 (2002). Again the bulletin’s main objective is to demonstrate the application of the FIP Recommendations “Practical Design of Structural Concrete”, and especially to illustrate the use of strut-and-tie models to design discontinuity regions (D-regions) in concrete structures. Bulletin 61 presents 14 examples, most of which are existing structures built in recent years. Although some of the presented structures can be considered to be quite important and, in some instances, complex, the chosen examples are not intended to be exceptional. The main aim is to look at specific design aspects, by selecting D-regions of the presented structures that are designed and detailed according to the proposed design principles and specifications for the use of strut-and-tie models. Two papers at the end of the bulletin deal with the role of concrete tension fields in modelling with strut-and-tie models, and summarize the experiences gained by the Working Group in applying strut-and-tie models to the examples in the bulletin. It is hoped that fib Bulletin 61 will be of interest to engineers involved in the design of concrete structures, supporting the use of more consistent design and detailing tools such as strut-and-tie models.
Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 2883941017
Category : Technology & Engineering
Languages : en
Pages : 225
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Book Description
fib Bulletin 61 is a continuation of fib Bulletin 16 (2002). Again the bulletin’s main objective is to demonstrate the application of the FIP Recommendations “Practical Design of Structural Concrete”, and especially to illustrate the use of strut-and-tie models to design discontinuity regions (D-regions) in concrete structures. Bulletin 61 presents 14 examples, most of which are existing structures built in recent years. Although some of the presented structures can be considered to be quite important and, in some instances, complex, the chosen examples are not intended to be exceptional. The main aim is to look at specific design aspects, by selecting D-regions of the presented structures that are designed and detailed according to the proposed design principles and specifications for the use of strut-and-tie models. Two papers at the end of the bulletin deal with the role of concrete tension fields in modelling with strut-and-tie models, and summarize the experiences gained by the Working Group in applying strut-and-tie models to the examples in the bulletin. It is hoped that fib Bulletin 61 will be of interest to engineers involved in the design of concrete structures, supporting the use of more consistent design and detailing tools such as strut-and-tie models.
Author: Salah El-Metwally
Publisher: CRC Press
ISBN: 1351651552
Category : Technology & Engineering
Languages : en
Pages : 261
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Book Description
This book examines the application of strut-and-tie models (STM) for the design of structural concrete. It presents state-of-the-art information, from fundamental theories to practical engineering applications, and also provides innovative solutions for many design problems that are not otherwise achievable using the traditional methods.
Author: American Concrete Institute. Convention
Publisher:
ISBN:
Category : Architecture
Languages : en
Pages : 264
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Book Description
"Prepared by members of ACI Subcommittee 445-1, Strut and Tie Models, for sessions at the Fall Convention in Phoenix, October 27 to November 1, 2002, and sponsored by Joint ACI-ASCE Committee 445, Shear and Torsion and ACI Committee 318-E, Shear and Torsion."
Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 2883941009
Category : Technology & Engineering
Languages : en
Pages : 127
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Book Description
The need for housing has increased significantly during the last decades all over the world. It is felt particularly in countries where the population growth rate is high and the economy is developing fast; but everywhere people are shifting from the countryside to towns, where housing in neighbourhoods often becomes critical. The need for affordable housing may concern high-rate urbanization, rural areas to be upgraded, workers’ settlements in remote regions, rebuilding dwellings destroyed by disasters such as earthquakes, floods or wars, and even holiday resorts and leisure dwellings. Large projects always face cost- and time-constraints. Local conditions may be variable with respect to the physical, social and economic environment. Thus, minimising cost and time of construction, while maximising quantity and quality of product, may lead to different solutions. The concept of “affordable”, meaning compatibility of demand and means, is well understood as such everywhere, although its practical application may be much different from place to place. Concrete is a material that lends itself well to affordable housing: it is durable, has good thermal inertia, can be used both as structural and finishing material, and is not sensitive to organic attack. It also has some disadvantages, such as higher cost in developing countries compared to developed countries, and also a potential lack of materials, mainly cement or admixtures. Prefabrication, with its adaptability and quality consciousness, may offer valid, speedy, cost efficient and sustainable solutions. fib Bulletin 60 offers an overview of housing systems as well as information on their features. It shows the main features of a number of construction systems, without entering into the details of the solutions. It aims to make possible a comprehensive comparison, which should help in learning, exchanging and developing ideas on how to better meet the housing needs everywhere, at sustainable cost. A document of this kind was not available before; it is therefore expected to be of great interest and a source of ideas for all those who have to confront similar problems.
Author: Denis Mitchell
Publisher: Portland Cement Assn
ISBN: 9780893122416
Category : Technology & Engineering
Languages : en
Pages :
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Book Description
The strut-and-tie method (STM) prescribed in the AASHTO LRFD Specifications is explained. Disturbed regions of structures resulting from geometric or force discontinuities where STM must be used are identified. A step-by-step procedure for STM is provided. Five detailed design examples are also provided; they include: 1) design of cap beam, 2) design of footing, 3) design of pile cap, 4) design of dapped end region of girder, and 5) design of hammerhead pier.
Author: Christopher Scott Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 658
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Book Description
Strut-and-tie modeling (STM) is a versatile, lower-bound (i.e. conservative) design method for reinforced concrete structural components. Uncertainty expressed by engineers related to the implementation of existing STM code specifications as well as a growing inventory of distressed in-service bent caps exhibiting diagonal cracking was the impetus for the Texas Department of Transportation (TxDOT) to fund research project 0-5253, D-Region Strength and Serviceability Design, and the current implementation project (5-5253-01). As part of these projects, simple, accurate STM specifications were developed. This thesis acts as a guidebook for application of the proposed specifications and is intended to clarify any remaining uncertainties associated with strut-and-tie modeling. A series of five detailed design examples feature the application of the STM specifications. A brief overview of each design example is provided below. The examples are prefaced with a review of the theoretical background and fundamental design process of STM (Chapter 2). · Example 1: Five-Column Bent Cap of a Skewed Bridge - This design example serves as an introduction to the application of STM. Challenges are introduced by the bridge's skew and complicated loading pattern. A clear procedure for defining relatively complex nodal geometries is presented. · Example 2: Cantilever Bent Cap - A strut-and-tie model is developed to represent the flow of forces around a frame corner subjected to closing loads. The design and detailing of a curved-bar node at the outside of the frame corner is described. · Example 3a: Inverted-T Straddle Bent Cap (Moment Frame) - An inverted-T straddle bent cap is modeled as a component within a moment frame. Bottom-chord (ledge) loading of the inverted-T necessitates the use of local STMs to model the flow of forces through the bent cap's cross section. · Example 3b: Inverted-T Straddle Bent Cap (Simply Supported) - The inverted-T bent cap of Example 3a is designed as a member that is simply supported at the columns. · Example 4: Drilled-Shaft Footing - Three-dimensional STMs are developed to properly model the flow of forces through a deep drilled-shaft footing. Two unique load cases are considered to familiarize the designer with the development of such models.
Author: Aaron B. Colorito
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 196
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Book Description
Author: Salah El-Din E. El-Metwally
Publisher: CRC Press, Taylor & Francis Group, CRC Press is
ISBN: 9781498783842
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
"6.4.3 Example on Design of a Deep Beam with Eccentric Large Openings
Author: FIB – International Federation for Structural Concrete
Publisher: FIB - International Federation for Structural Concrete
ISBN: 1874266484
Category : Technology & Engineering
Languages : en
Pages : 114
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Book Description
Author: Chung C. Fu
Publisher: CRC Press
ISBN: 1466579854
Category : Technology & Engineering
Languages : en
Pages : 632
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Book Description
Gain Confidence in Modeling Techniques Used for Complicated Bridge StructuresBridge structures vary considerably in form, size, complexity, and importance. The methods for their computational analysis and design range from approximate to refined analyses, and rapidly improving computer technology has made the more refined and complex methods of ana
