BEARING CAPACITY OF PILE FOUNDATIONS BASED ON CPT RESULTS IN ACCORDANCE TO POLISH STANDARDS AND EUROCODE 7
Author(s): Bartlomiej Czado, Bogumil Wrana
Published By:AGH Journal of Mining and Civil Engineering
Published Year:2012
Size: 46.10 MB
Quality:Original Preprint
Abstract: The results of the cone penetration test (CPT) are widely applicable in calculations of bearing capacity of foundation piles [1]. During the test two basic parameters were measured:
cone tip resistance qc and shaft friction fs.
The results may be used indirectly — in the first stage for the soil properties recognition (determination of the soil names), then for the determination of soil density or consistency parameters ID and IL and in particular soil strata. This approach may be applied to the pile design in accordance with Polish Standard PN-83/B-02482 [4] as soil type and the density/consistency parameter value are in this case the basis for the determination of soil unit resistances.
On the other hand, the possibility of the direct use of the CPT results for thedetermination
of compressive resistance of an axially loaded single pile is described in Part 2 of the
Eurocode 7 [7], concerning ground investigation and testing procedures.
Examples of calculating methods are presented in Annexes D.6 and D.7 of this standard.
For those methods a precise recognition of soil type is not necessary.
The results of the cone penetration test in the procedure of Polish Standards can be used for the isolation of soil zones in which measured parameters have similar values.
This leads to relatively precise soil classification (determination of soil name) and separation of the geotechnical strata.
For this purpose a modified Robertson’s chart [2] is used, which has been adapted for Polish soil names in the PN-B-04452:2002 standard [5] (Fig. 1).
Polish Standard presents correlation formulas to assess the CPT tip penetration resistance qc based on the values of ID or IL.
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Attached is also the reference standard; the method is very used in central-eastern Europe for the design of deep foundations and sheet-pile walls.
Report from Mayne and Kulhawy (1990) may be used to estimate the values of the effective internal friction angle and of the effective cohesion in the framework of the Mohr-Coulomb failure criterion.
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Does anyone have a copy of this for the 2012 IBC or 2016 CBC? Thanks
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AutoDesk River and Flood Analysis Module for AutoCAD Civil 3D 2018
Size: 87 MB
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ITA Tech - Guidance for Fibre reinforced Concrete Segments Vol. 1 - Design Aspects
Author(s)/Editor(s): C. Eberle, S. Psomas, D. Ruckstuhl, A. Thomas | Size: 1.951 MB | Format:PDF | Quality:Original preprint | Publisher: ITA | Year: 2016 | pages: 48 | ISBN: 9782970101321
The ITA official guidelines for the design of fibre-reinforced tunnel segmental linings (largely based on the contents of ACI 344.7R-16).
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Modeling Steel and Composite Structures explains the computational tools, methods and procedures used to design steel and composite structures. The reference begins with the main models used to determine structural behavior. This is followed by a detailed description of experimental models and their main requirements and care. Numerous simulations presenting non-linear response are illustrated as are their restrictions in terms of boundary conditions, main difficulties, solution strategies and methods adopted to surpass convergence difficulties. In addition, examples of the use of computational intelligence methods to simulate steel and composite structures response are presented.
Includes numerical models based in the finite element method
Provides numerous simulations, presenting a non-linear response
Contains examples of the use of computational intelligence methods to simulate steel and composite structures
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If any one could upload Speroni efficiency curves/tables of speroni pump especially CFM 200 BR - CFM 300 BR - 2CM 25/160A & 2CM 32/210A
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The Finite Element Method: Basic Concepts and Applications, Second Edition
Author(s)/Editor(s): Darrell W. Pepper, Juan C. Heinrich Hardback | Size: 24.529 MB | Format:PDF | Quality:Original preprint | Publisher: CRC Press | Year: 2005 | pages: 324 | ISBN: 9781591690276
This much-anticipated second edition introduces the fundamentals of the finite element method featuring clear-cut examples and an applications-oriented approach. Using the transport equation for heat transfer as the foundation for the governing equations, this new edition demonstrates the versatility of the method for a wide range of applications, including structural analysis and fluid flow.
Much attention is given to the development of the discrete set of algebraic equations, beginning with simple one-dimensional problems that can be solved by inspection, continuing to two- and three-dimensional elements, and ending with three chapters describing applications. The increased number of example problems per chapter helps build an understanding of the method to define and organize required initial and boundary condition data for specific problems. In addition to exercises that can be worked out manually, this new edition refers to user-friendly computer codes for solving one-, two-, and three-dimensional problems. Among the first FEM textbooks to include finite element software, the book contains a website with access to an even more comprehensive list of finite element software written in FEMLAB, MAPLE, MathCad, MATLAB, FORTRAN, C++, and JAVA - the most popular programming languages.
This textbook is valuable for senior level undergraduates in mechanical, aeronautical, electrical, chemical, and civil engineering. Useful for short courses and home-study learning, the book can also serve as an introduction for first-year graduate students new to finite element coursework and as a refresher for industry professionals. The book is a perfect lead-in to Intermediate Finite Element Method: Fluid Flow and Heat and Transfer Applications (Taylor & Francis, 1999, Hb 1560323094).
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