seismic design of sheet pile walls

... "Seismic Design of Steel Bridges." Bridge Engineering Handbook Ed Wai-Fah Chen and Lian Duan Boca Raton: CRC Press, 2000 Trang 239 Seismic Design ofSteel Bridges 39.1 Introduction Seismic ... modifications,the design provisions prescribed in the AISC Seismic Provisions for EBF, SCBF, and OCBF can beimplemented for the seismic design of bridge substructures Current AASHTO seismic design provisions ... high Foreconomic reasons, modern seismic design codes usually take advantage of the inherent energydissipation capacity of the structure by specifying a design seismic force level, , which can

Ngày tải lên: 08/07/2014, 12:20

... the base of the wall to the cen-ter of gravity of the tank roof, ft (m) h w = height from the base of the wall to the cen-ter of gravity of the tank shell, ft (m) H L = design depth of stored ... aspects of seismic design: the ing side” (namely the determination of the seismicloads based on the seismic zone of the site, the speci-fied effective ground acceleration, and the geometry ofthe ... profile containing more than 20 ft (6096 mm) of soft to medium-stiff clay but not more than 40 ft (12 192 mm) of soft clay. 1.5 D A soil profile containing more than 40 ft (12 192 mm) of soft

Ngày tải lên: 24/10/2014, 22:00

... 2Applications of Sheet Pile Walls Sheet pile walls are retaining walls constructed to retain earth, water or any other fill material These walls are thinner in section as compared to masonry walls Sheet ... sides of cuts made in earth Trang 3Materials of Sheet Pile Walls Sheet piles may be: • Timber • Reinforced concrete • Steel Trang 4Timber pile wall section Reinforced concrete Sheet pile ... pile wall section Sheet pile sections Materials of Sheet Pile Walls Trang 5The advantages of using steel sheet-piling 1 Provides higher resistance to driving stresses; 2 Is of an overall lighter

Ngày tải lên: 01/10/2015, 19:35

... an official endorsement or approval of the use of such commercial products pub-The findings of this report are not to be construed as an official Department of the Army position, unless so designated ... documented herein was undertaken as part of Work Unit 9456h, “Seismic Design of Cantilever Retaining Walls,” funded by the Head- 387-quarters, U.S Army Corps of Engineers (HQUSACE) Civil Works Earthquake ... presents the results of the first phase of a research investigation into the seismic response of earth retaining structures and the extension of the displacement controlled design procedure, as

Ngày tải lên: 30/04/2018, 09:14

... better seismic design could be found by averaging the optimum patterns corresponding to a number of earthquakes representing a design spectrum To verify the validity of this idea for seismic design ... the effects of target ductility demand, seismic exaction and buckling of compressive members on the optimum solution are investigated A practical method for optimum seismic design of truss structures ... PROPOSED METHODOLOGY Seismic design of structures is currently based on force rather than displacement as the seismic design codes generally use lateral inertia forces to account for seismic ground

Ngày tải lên: 23/10/2022, 16:22

... complex behaviour of piles in a group of piles and the pile-soil-pile interaction As a result of the complexities, the significance of the role of SSI on the seismic performance of structures is ... evaluation of the effects of SSI on seismic response of pile-supported bridge piers on soft soil and identifies the following: e There is a need for a quantified picture of the effects of SSI on ... period of T=0.6 s 40 Figure 2.22: Stiffness of the pile-supported pier with fixed-base period of T=0.8 s 41 Figure 2.23: Stiffness of the pile-supported pier with fixed-base period of T=1.0s

Ngày tải lên: 14/11/2014, 13:48

... TIỆM CẬN 1 (Design Approach 1) Trang 91 TỔNG QUANDESIGN OF GRAVITY WALLS – EUROCODE 7 Trang 101 TỔNG QUANDESIGN OF GRAVITY WALLS – EUROCODE 7 Trang 111 TỔNG QUANDESIGN OF GRAVITY WALLS – EUROCODE ... QUANDESIGN OF GRAVITY WALLS – EUROCODE 7 Trang 151 TỔNG QUANDESIGN OF GRAVITY WALLS – EUROCODE 7 Tổng kết về hệ số dùng cho 3 phương pháp Trang 172 THIẾT KẾ TƯỜNG TRỌNG LỰCDESIGN OF GRAVITY WALLS ... bất thường Trang 5Design Approach 31 TỔNG QUAN DESIGN OF GRAVITY WALLS – EUROCODE 7 CÁC PHƯƠNG PHÁP THIẾT KẾ TIỆM CẬN (Design Approaches) Trang 61 TỔNG QUANDESIGN OF GRAVITY WALLS – EUROCODE

Ngày tải lên: 09/06/2016, 06:09

... testing of pile 12A1-1 40 Figure 25 Distribution of load in pile 12A1-1 40 Figure 26 Deflection of pile head during static load testing of pile 14 40 Figure 27 Distribution of load in pile 14 ... Deflection of pile head during static load testing of pile IPW 41 Figure 29 Distribution of load in pile IPW 41 Trang 7LIST OF TABLES Page Table 1 Summary of selected contracts using driven pile ... Brinckerhoff As shown in table 2, the 41-cm-diameter PPC piles were the dominant pile type used, accounting for more than 70 percent of the total length of pile driven Trang 18Table 2 Summary of pile

Ngày tải lên: 12/10/2016, 18:18

... Seismic Design 6.1 Introduction 6.2 Practice of Seismic Design in Japan 1) Past History of Seismic Design 2) Seismic Performance Goals 3) Design Ground Motions 4) Design of Bridge System 5) Design ... Composite-Materials Jackets 5) Retrofit of Steel Columns 8.4 Seismic Retrofit of Foundations 1) Seismic Retrofit of Foundations with Inadequate Soil Bearing Caqpacity 2) Seismic Retrofit of Pile Foundations by ... Number of Piles 3) Seismic Retrofit of Reinforced Concrete Moment Resisting Piers 4) Seismic Retrofit of an 11-span Bridge Supported by Bent Piles in Liquefiable Sandy Soils Trang 125) Retrofit of

Ngày tải lên: 31/10/2016, 21:35

... developing seismic numerical models of slender RC shear walls Consideration of the TSE may result in inaccurate estimations of the structural responses of the walls d The development of a new simplified ... ("Seismic Evaluation and Retrofit of Existing Buildings") (ASCE, 2013) This curve was developed using data from laboratory tests of walls with varying design characteristics For shear walls, ... the effect of interactions with other walls Trang 10TABLE OF CONTENTS DEDICATION iii ACKNOWLEDGEMENTS iv RÉSUMÉ v ABSTRACT viii TABLE OF CONTENTS x LIST OF TABLES xiii LIST OF SYMBOLS

Ngày tải lên: 17/11/2016, 14:44

... shear ΣMRb sum of design values of moments of resistance of the beams framing into a joint in the direction of interest ΣMRc sum of design values of the moments of resistance of the columns framing ... value of tensile strength of concrete fyd design value of yield strength of steel fyd, h design value of yield strength of the horizontal web reinforcement fyd, v design value of yield strength of ... 6 of EN 1998-1 MEd design bending moment from the analysis for the seismic design situation M pl,RdA design value of plastic moment resistance at end A of a member M pl,RdB design value of

Ngày tải lên: 11/12/2016, 12:42

... use of the general design procedures in the ACI Building Code for the design of pile caps, with the exception of the shear design procedures for deep pile caps When the center of the nearest pile ... top of the pile cap The behavior of all pile caps was similar Vertical cracks formed near the center of the pile cap sides, extending to near the top of the pile caps Prior to failure, the pile ... for the shear design of pile caps Unlike traditional design procedures, strut-and-tie models not separate flexural and shear design; however, it may be said that the “shear design” of deep members

Ngày tải lên: 11/12/2016, 22:31

... danger of earthquake In the design of such system, these factors should be accounted for from the viewpoint of reliability This paper proposes a method to analyze seismic response and reliability design ... knowledge of the spectral density of the excitation process and the magnitude of the frequency response HiðOÞ 3.2 RELIABILITY ANALYSIS BY POSSIBILITY OF FAILURE Generally, the evaluation of seismic ... crossings of level X of response with positive slope or X-upcrossings of x(t) The mean X-upcrossing rate of x(t) is uþXðtÞ ¼ Ef’xxðtÞ þ jxðtÞ ¼ XgpðX; tÞ; ð14Þ where p(X, t), denotes the PDF offxðtÞ;’xxðtÞg;

Ngày tải lên: 30/04/2018, 09:15

... 1Material modelling in the seismic response analysis for the design of RCframed structures Pankaj Pankaj∗, Ermiao Lin School of Engineering and Electronics, The University of Edinburgh, Edinburgh, ... simulation of the behaviour of plain and reinforced concrete using continuum plasticity models has been a subject of intense research and the past two decades have seen the development of a plethora of ... strain softening is assumed for this model To examine the influence of strain rate on dynamic response the strength amplification results of Bischoff and Perry [24] were used The authors compiled

Ngày tải lên: 05/05/2018, 08:43

... Department of Civil and Environmental Engineering; University of Melbourne; Victoria 3010; Australia SUMMARY This paper addresses the problem of assessing the seismic resistance of brick masonry walls ... adapted for a wide variety of URM wall boundary conditions The structure of this paper is as follows: A single-degree-of-freedom idealization of the rocking behaviour of URM walls based on their force–displacement ... predicted dynamic lateral capacities of simply supported URM walls with a series of non-linear time history analyses (THA) 2 SINGLE-DEGREE-OF-FREEDOM IDEALIZATION OF URM WALLS A cracked URM wall rocking

Ngày tải lên: 05/05/2018, 14:14

... connection of the slab and shear walls (a) Refined mesh model of shear walls. (b) Blocks for shear walls. (c) Generation of super elements. (d) Generation of substructure. Fig 19 Modeling process of ... out-of-plane deformation as well as the in-plane deformation of walls and slabs for a three-dimensional analysis of building structures with shear walls For a three-dimensional analysis of a ... and accurate analysis of high-rise building structures based on the analysis of example structures 2 Use of a fictitious stiff beam The use of a fictitious stiff beam is one of the most important

Ngày tải lên: 05/05/2018, 14:14

... design for this failure mode Crown walls are typically designed to remain stable in the design sea state However, Nørgaard et al (2012) suggested allowing for small horizontal displacements of ... displacements are a very non-linear function of the design wave height and that probabilistic design is needed Figure 1 Typical failure modes of monolithic crown walls The horizontal wave load evolution ... a photo of the positioning of the pressure transducers and the moveable part of the crown wall Figure 4 (left) Front view of breakwater, (right) Pressure transducers in fixed part of crown

Ngày tải lên: 01/04/2019, 10:53

... pile spacing, k is called modular ratio between the pile and soft ground Ep is the elastic modulus of the pile, νp is the Poisson's ratio of the pile material, Es is the elastic modulus of soft ... applied on a pilecap; σs is the vertical stress acting soft soil H Uniform surcharge, q o a s/2 Pile cap Soft subsoil Pile cap s Pile As/2 Pile s a s' a Fig.2 Stress distribution in an area of influence ... (3) where Pp is the load on a pile-cap; Ps is the load on soft-ground area; A is the tributary area of a pile-cap; Ap is the area of a pile-cap; γ is the unit weight of the fill; H is the embankment

Ngày tải lên: 10/02/2020, 05:55

... the procedures discussed by Terzaghi (1934). (d) Structural design of sheet pile and concrete anchor walls. Sheet pile anchor walls should be designed for maximum bending moment and shear under the ... purpose of this manual is to provide guidance for the safe design and economical construction of sheet pile retaining walls and floodwalls. This manual does not prohibit the use of other methods of ... Manual 1110-2-2504 Department of the Army U.S. Army Corps of Engineers Washington, DC 20314-1000 EM 1110-2-2504 31 March 1994 Engineering and Design DESIGN OF SHEET PILE WALLS Distribution Restriction...

Ngày tải lên: 13/12/2013, 11:15

... Column and Beam Design Forces ã Design of Uncracked Joints ã Reinforcement for Joint Force Transfer 38.6 Column Footing Design Seismic Demand ã Flexural Design ã Shear Design ã Joint Shear ... ã Design of Joint Shear Reinforcement 38.1 Introduction This chapter provides an overview of the concepts and methods used in modern seismic design of reinforced concrete bridges. Most of ... by CRC Press LLC 38 Seismic Design of Reinforced Concrete Bridges 38.1 Introduction Two-Level Performance-Based Design ã Elastic vs. Ductile Design ã Capacity Design Approach 38.2...

Ngày tải lên: 08/07/2014, 12:20