Behavior of Reinforced Higher-strength Concrete Beams in Bending and Shear PDF Download
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Author: Periakaruppan Narayanan
Publisher:
ISBN:
Category :
Languages : en
Pages : 330
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Book Description
Author: Periakaruppan Narayanan
Publisher:
ISBN:
Category :
Languages : en
Pages : 330
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Book Description
Author: Zenon Albert Zielinski
Publisher:
ISBN:
Category : Concrete beams
Languages : en
Pages : 84
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Book Description
Author: Abdullah Almakrab
Publisher:
ISBN: 9780438392700
Category : Concrete beams
Languages : en
Pages : 144
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Book Description
The main goal of this study is to investigate the behavior of high strength concrete beams reinforced with various reinforcement under monotonic loading with various shear span-to-depth ratios and to compare the measured load-deflection history with the available prediction equations. In this study, eight high strength concrete (HSC) beams were prepared and cast using a concrete strength of 10 ksi. All beams spanned 7 ft. and were 12 inches deep and 6 inches' wide. Some of beams were reinforced with conventional #5 steel and others were reinforced with carbon fiber (CF) and glass fiber grids. Three beams were reinforced with #3 stirrups at 8 inches spacing and one beam was reinforced with #3 stirrups at 3-inch spacing. The beams were simply supported under monotonic four-point bending load using a servo-valve actuator with a capacity of 75 kips under three shear span-to-depth ratios. The data collected in this study included load-displacement-history at midspan, steel and carbon fiber strains, mode of failure and crack patterns. The experimental results were compared to analytical models from the literature. The models are very commonly used to predict the effective moment of inertia of reinforced concrete beams and consequently predict the deflection at the cracking and at the ultimate loads. The study concluded that the behavior of the HSC beams was dependent on the type of reinforcement and on the shear span-to-depth ratio as well as the availability of transverse reinforcement. The analytical models, predictions of failure ultimate loads and mode of failure were in good agreement with the experimental results. For the HSC beams reinforced with steel bars, Branson's deflection equation highly overestimated the deflection. For beams reinforced with CFRP and GFRP grids, the analytical equations underestimated the deflection at the midspan, which suggests the need to modify the existing deflection equations when HSC is reinforced with carbon fiber grids.
Author: Shuenn-Yih Chang
Publisher: CRC Press
ISBN: 0203388070
Category : Technology & Engineering
Languages : en
Pages : 974
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Book Description
Advances in Civil Engineering and Building Materials presents the state-of-the-art development in: - Structural Engineering - Road & Bridge Engineering- Geotechnical Engineering- Architecture & Urban Planning- Transportation Engineering- Hydraulic Engineering - Engineering Management- Computational Mechanics- Construction Technology- Buildi
Author: ACI Committee 440
Publisher:
ISBN: 9781945487590
Category : Fiber-reinforced concrete
Languages : en
Pages : 110
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Book Description
Author: Ekkehard Fehling
Publisher: John Wiley & Sons
ISBN: 3433030871
Category : Technology & Engineering
Languages : en
Pages : 198
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Book Description
Selected chapters from the German concrete yearbook are now being published in the new English "Beton-Kalender Series" for the benefit of an international audience. Since it was founded in 1906, the Ernst & Sohn "Beton-Kalender" has been supporting developments in reinforced and prestressed concrete. The aim was to publish a yearbook to reflect progress in "ferro-concrete" structures until - as the book's first editor, Fritz von Emperger (1862-1942), expressed it - the "tempestuous development" in this form of construction came to an end. However, the "Beton-Kalender" quickly became the chosen work of reference for civil and structural engineers, and apart from the years 1945-1950 has been published annually ever since. Ultra high performance concrete (UHPC) is a milestone in concrete technology and application. It permits the construction of both more slender and more durable concrete structures with a prolonged service life and thus improved sustainability. This book is a comprehensive overview of UHPC - from the principles behind its production and its mechanical properties to design and detailing aspects. The focus is on the material behaviour of steel fibre-reinforced UHPC. Numerical modelling and detailing of the connections with reinforced concrete elements are featured as well. Numerous examples worldwide - bridges, columns, facades and roofs - are the basis for additional explanations about the benefits of UHPC and how it helps to realise several architectural requirements. The authors are extensively involved in the testing, design, construction and monitoring of UHPC structures. What they provide here is therefore a unique synopsis of the state of the art with a view to practical applications.
Author: Dawood Abdulhai Pandor
Publisher:
ISBN:
Category :
Languages : en
Pages : 248
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Book Description
Author: Sugiarto Loni
Publisher:
ISBN:
Category :
Languages : en
Pages : 160
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Book Description
Author: Amjad Shahbazker
Publisher:
ISBN:
Category :
Languages : en
Pages : 296
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Book Description
Author: Touhami Tahenni
Publisher:
ISBN:
Category : Computers
Languages : en
Pages : 0
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Book Description
In this chapter an experimental investigation is carried out on high strength concrete beams without transverse reinforcement and with transverse reinforcement. The beams were tested in bending under two concentrated loads using the technique of digital image correlation. In the test setup, the shear zone which is defined by the area of beam between the support point and the loading point was studied by the camera of high resolution. The Gom-Aramis software was used to record and analyse the numerical images by determination of the deformation of concrete in the compressed zone of the beam, to calculate the opening, the spacing and the length of the diagonal cracks. The experimental shear strength of the beams was compared with the theoretical values predicted by the different design codes, such as the American ACI 318, the British Standard BS 8110, the European Eurocode 2, the New Zealand NZS 3101 and the Indian Standard IS456. The results show that all the design codes underestimate the contribution of high strength concrete to the shear resistance of reinforced concrete beams, and greatly overestimate the contribution of transverse reinforcement. The European Eurocode 2 is the only one among the four code models that gives the best prediction of the ultimate shear strength of high strength concrete.
