In the analysis of soil–pile interaction under lateral load, the behaviour of soil around a pile is an important parameter
which has a great influence on the results. In this paper the three-dimensional deformation pattern of soil around
laterally loaded piles was studied on small-scale physical models in the laboratory using the particle image velocimetry
method. In each step of loading two digital cameras were used to capture the deformed piles and soil, one above and
the other on the side. One of the cameras was placed vertically in front of the test box and the other horizontally on top
of it. Image processing was undertaken to evaluate the three-dimensional behaviour of deformed soil. Particle image
velocimetry analysis was undertaken to obtain the displacement. The deformation pattern and shear strains of soil
around laterally loaded single pile and pile groups were studied. The effects of pile length, stiffness and diameter on the
soil deformation pattern were investigated. The group effect and interaction between piles in pile groups were also
studied. Experimental results showed that a conical passive zone is established in front of laterally loaded piles.
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This article uses a model test and PFC2D discrete element simulation
for systematic research on the mechanism and behavior of soil arching around passive
piles in sand. In the model test, soil arching effects with different pile spacing was
studied. In the discrete element simulation, the influence of pile spacing on soil
arching was revealed at the meso-level. The model test indicates that pile spacing
influences soil arching effects significantly. Numerical analysis also shows that pile
spacing is the most significant factor on soil arching surrounding passive laterally
loaded piles. From this study, the meso-mechanism and behavior of soil arching are
discovered further.
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I am looking for the new editions of the standards mentioned in the title of the request, as follows:
1. EN 58 : 2012 Bitumen and bituminous binders - Sampling bituminous binders
2. EN 1425 : 2012 Bitumen and bituminous binders - Characterization of perceptible properties
3. EN 12697-11 : 2012 Bituminous mixtures - Test methods for hot mix asphalt - Part 11: Determination of the affinity between aggregate and bitumen
If someone of you have them or could find them or some, please, let's share them with me.
2009 IAPMO Uniform Swimming Pool, Spa and Hot Tub Code
Author: International Association of Plumbing and Mechanical Officials | Size: 17.76 MB | Format:PDF | Quality:Scanner | Publisher: IAPMO/ANSI | Year: 2009 | pages: 170
The Uniform Swimming Pool, Spa and Hot Tub Code is a model code developed by the International Association of Plumbing and Mechanical Officials (IAPMO) to govern the installation and inspection of plumbing systems associated with swimming pools, spas and hot tubs as a means of promoting the public's health, safety and welfare.
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With the upsurge in terrorism and with it, blast threats, there is growing interest in manufacturing blast-hardened structures and retrofitting blast mitigation materials to existing structures. Composites provide the ideal material for blast protection as they can be engineered to give different levels of protection by varying the reinforcements and matrices.
Part one discusses general technical issues covering topics such as blast threats and types of blast damage, processing polymer matrix composites for blast protection, standards and specifications for composite blast protection materials, high energy absorbing composite materials for blast resistant design, modeling the blast response of hybrid laminated composite plates and the response of composite panels to blast wave pressure loadings.
Part two reviews applications including ceramic matrix composites for ballistic protection of vehicles and personnel, using composites to protect military vehicles from mine blasts, blast protection of buildings using fiber-reinforced polymer (FRP) matrix composites, using composites in blast resistant walls for offshore, naval and defense related structures, using composites to improve the blast resistance of columns in buildings, retrofitting using fiber reinforced polymer composites for blast protection of buildings and retrofitting to improve the blast response of concrete masonry walls.
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Collection of selected papers on current advances in high performance construction materials. Contributions deal with the development, characterization, application procedures, performance and structural design of materials with key potential in civil engineering works. Materials treated are fibre reinforced concrete, high performance concrete, self compacting concrete and novel combinations of these. For researchers, practitioners, consultants, contractors and suppliers.
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Building Codes Illustrated: A Guide to Understanding the 2012 International Building Code
Author: Francis D. K. Ching, Steven R. Winkel | Size: 11 MB | Format:PDF | Quality:Unspecified | Publisher: Wiley | Year: 2012 | pages: 448 | ISBN: 9780470903575
The new 4th edition of Building Codes Illustrated is aimed at two audiences. The first is students and emerging professionals who are just learning to use the building code. The second audience is more experienced practitioners looking to validate their interpretations of code sections and to familiarize themselves with changes made in the new 2012 International Building Code. The new 4th edition of Building Codes Illustrated uses graphics, the language of designers, to elaborate on the book’s text to clarify code intent and requirements for code users. Below are trends I noticed while revising the 4th Edition text to accompany the wonderful illustrations of Francis D.K. Ching. These are just a few examples of the many changes to be found in the new code.
One trend in code revisions today is to make changes to “clarify” the code. These changes often involve not only rewording sections, but reorganizing the order of various sections. Section number changes make it very hard to find items based on remembering section numbers from old codes. In my code consulting practice I advise designers to never do code work from memory. While the code text indicates in the margins where sections have been deleted, it gives no guidance about whether the section has just been moved, or wholly deleted. This book gives guidance for such changes.
Outpatient medical care occurs increasingly in facilities not located in traditional health-care centers. It is becoming common to find outpatient surgical procedures happening in tenant spaces. New requirements in Section 422 address fire separations of these medical spaces from adjacent tenants where the patients may be rendered unconscious or unable to move readily in an emergency. Examples of facilities that could be covered by these provisions are laser vision clinics and kidney dialysis treatment centers.
The code requirements for fire protection of overhangs located close to a property line have always been confusing. There are revised code provisions for how to measure and protect overhangs that are accompanied by new illustrations in our book.
Open “exit” stairs were relocated in the Mean of Egress Chapter, IBC Chapter 10, from the Exit section in Section 1022 to be “exit access stairs” in Section 1016 in the 2009 International Building Code, as illustrated in the 3rd Edition of our book. This revision was revised yet again in the 2012 code into requirements for open and enclosed stairs in Section 1009, as illustrated in the 4th Edition.
Guard rail heights in R-3 occupancies and inside R-2 occupancies have been reduced in an Exception to Section 1013.3 to 36 inches from the 42 inch height previously required. This aligns the IBC with the International Residential Code requirements for one and two family dwellings.
There are numerous other changes described and illustrated in the new 4th edition of Building Codes Illustrated.
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Nondestructive Testing of Materials and Structures
Author: O. Büyüköztürk, M. Taşdemir, O. Güneş, Y. Akkaya Editors | Size: 43.55 MB | Format:PDF | Quality:Original preprint | Publisher: Springer | Year: 2013 | pages: 1130 | ISBN: 9789400707238
Condition assessment and characterization of materials and structures by means of nondestructive testing (NDT) methods is a priority need around the world to meet the challenges associated with the durability, maintenance, rehabilitation, retrofitting, renewal and health monitoring of new and existing infrastructures including historic monuments. Numerous NDT methods that make use of certain components of the electromagnetic and acoustic spectra are currently in use to this effect with various levels of success and there is an intensive worldwide research effort aimed at improving the existing methods and developing new ones. The knowledge and information compiled in this book captures the current state-of-the-art in NDT methods and their application to civil and other engineering materials and structures. Critical reviews and advanced interdisciplinary discussions by world-renowned researchers point to the capabilities and limitations of the currently used NDT methods and shed light on current and future research directions to overcome the challenges in their development and practical use. In this respect, the contents of this book will equally benefit practicing engineers and researchers who take part in characterization, assessment, evaluation and health monitoring of materials and structures.
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hello
i want build a ice hotel in summer.but temperature in my location is 30-40 celesus ia it possible?do you have knowlege about ice hotel like plan maps and structure plan and how made ice hotel?
Article/eBook Full Name: ASTM E2126 - 11 Standard Test Methods for Cyclic (Reversed) Load Test for Shear Resistance of Vertical Elements of the Lateral Force Resisting Systems for Buildings
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