v s analysis and integration of steel manufacturing process
ROBUSTNESS ANALYSIS AND DESIGN OF STEEL CONCRETE COMPOSITE BUILDINGS
Ngày tải lên :
09/09/2015, 11:25
... ROBUSTNESS ANALYSIS AND DESIGN OF STEELCONCRETE COMPOSITE BUILDINGS JEYARAJAN SELVARAJAH (B.Sc.Eng.(Hons),University of Moratuwa; M.Sc, NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... elements 1.2 Robustness design of structures The component level structural design approach, used for its strength and stiffness against its demand, masks some underlying principles and tends to obscure ... the robustness analysis of building structures 1.5 Objectives and scopes The main objective of this research study is to develop simplified numerical models to capture the behaviours of steel- concrete...
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Fatigue analysis and design of steel concrete steel sandwich composite structures
Ngày tải lên :
12/09/2015, 11:35
... composite action S First moment of area of the part above where τ is calculated S The applied stress range S b , S d Stresses at ship deck and bottom S r , S Stress range Sa Stress amplitude S ... applied stress S Minimum applied stress s max Maximum stress level s Minimum stress level S MOR Static flexural strength (modulus of rapture) of concrete prism specimen tc , tt The thickness of compression ... production and storage vessels, caissons, core shear walls in tall buildings and impact and blast resistant structures This strong and efficient structure has the following advantages over conventional...
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Analysis and design of steel and composite structutre
Ngày tải lên :
27/04/2016, 22:57
... http://www.vietcons.org Preface Steel and composite steelconcrete structures are widely used in modern bridges, buildings, sport stadia, towers and offshore structures The analysis and design of steel and ... steel and composite structures It describes the fundamental behaviour of steel and composite members and structures and the latest design criteria and procedures given in Australian Standards ... detailed analysis and design of steel and composite members and connections This book is an ideal course textbook on steel and composite structures for undergraduate and postgraduate students of structural...
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Efficient progressive collapse analysis for robustness evaluation and enhancement of steel concrete composite buildings
Ngày tải lên :
10/09/2015, 09:10
... loadings The second part of the verification study involves progressive collapse behaviors of reinforced concrete and composite slab, and the last part involves the progressive collapse behaviors of ... potential of belt truss system as robustness enhancement of multi-storey composite building Finally, ePCA is used to study the effectiveness of equivalent static analysis for robustness evaluation of ... the towers could have possibly survived the plane impact To the best knowledge of the candidate, robustness study involving building system and the potential of truss system as robustness enhancement...
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Analysis and retrofitting of fixed steel platforms under low seismic loads
Ngày tải lên :
11/09/2015, 16:02
... interior of the earth and are of P-waves (primary waves) and S- waves (secondary waves) P-waves are the fastest seismic waves and the first to arrive a site P-waves oscillate the ground back and forth ... order of magnitude estimate of the response and is usually conservative; Linear methods: response spectrum analysis and time domain analysis (normal modes) These are the main methods for dynamic seismic ... increase in strength ranged between 11 and 39% Axial stiffness is also increased by up to 46%, regardless of the value of out -of straightness; the effectiveness of CFRP retrofitting increases as...
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SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
Ngày tải lên :
06/09/2012, 15:56
... Cases 2-25 Step Assign Gravity Loads 2-26 Step Assign Area Stiffness Modifiers 2-28 Step Run the Analysis 2-29 Step Graphically Review the Analysis Results 2-30 Design the Steel Frame Objects ... click the Design menu > Steel Frame Design > Verify Analysis vs Design Section command A message similar to the one in Figure 40 appears Figure 40 Analysis vs Design Section message The message in ... live load E Click the Assign menu > Clear Display of Assigns command to clear the display of the assigned loads Step Assign Gravity Loads - 27 Introductory Tutorial for SAP2000 Version Step Assign...
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SAP2000 Integrated Finite Elements Analysis and Design of Structures
Ngày tải lên :
06/09/2012, 15:56
... discussion of results Note that for real problems (as contrasted with tutorial problems) you should always run and review the results of a basic static analysis (and maybe also dynamic analysis, ... Pushover Analysis E Discussion of Additional Pushover Cases If you are not interested in the pushover portion of the tutorial, you can skip parts D and E If you are only interested in the pushover ... interested in working through the tutorial at this time, but want to see the results of the pushover analysis, then you can read parts A and B, skip part C and the first five steps of part D, and...
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Bơm ECD-V - P - Composition and Construction of ECD-V3 Pump System
Ngày tải lên :
23/10/2012, 09:09
... Pressure Chamber Direct-Acting Solenoid Valve Type This solenoid spill valve provides a quick response at a higher level of precision It consists of a spool valve and a solenoid coil The spool valve, ... pressure resistance, as well as a large spill volume There are two types of solenoid spill valves: the pilot valve type, and the direct-acting solenoid valve type The direct-acting solenoid valve ... (opens and closes) in accordance with the signals from the engine ECU When the coil of the solenoid spill valve is energized, the spill valve closes, thus closing the passage that links the pressure...
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Analysis and compensation of log_domain filter deviations due to transistor nonidealities
Ngày tải lên :
06/11/2012, 10:35
... rộsultats sont v rifi s avec des simulations de SPICE en utilisant de grands et petits signaux La comprộhension du mộcanisme de dộviation des diffộrentes caractộristiques des filtres permet des ... multiplier is achieved by superimposing two of these loops and sharing transistors Q I and Q, [16] It should be noted that the above analysis is an exact large-signal analysis, and is completely ... filter responses Through Our understanding of the deviation mechanisms, very natural clectronic compensation methods are presented SPICE simulations, both large and smalisignal analysis, are provided...
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Analysis and performance of high efficiency synchronous reluctance machines
Ngày tải lên :
05/09/2013, 16:30
... performance as a variable speed motor These machines are driven as variable speed drive systems Table summarises the experimental performance of flux-guided reluctance motors at various speeds and rated ... University of Leeds, UK He is presently working in the School of Engineering, University of Western Sydney He has extensive experience in Power Electronics and Drive Systems, Renewable Energy Systems ... motor is a promising candidate for variable-speed drive applications [12,13] The present paper is devoted to the analysis and design of cageless synchronous reluctance motors, employing solid...
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User’s perceptions and uses of financial reports of small and medium companies (SMCs) in transitional economies
Ngày tải lên :
25/12/2013, 15:10
... nghiên cứu khoa học “User s perceptions and uses of financial reports of small and medium companies (SMCs) in transitional economies” thật cần thiết Đọc nghiên cứu không dừng lại việc tiếp nhận thông ... Câu hỏi 3: Tại SMCs cung cấp thông tin? V họ cung cấp thông tin - nào? CƠ S LÝ THUYẾT Bài nghiên cứu dựa s s lý thuyết sau: - Lý thuyết “quyết định hữu ích” (decision usefulness theory): thuyết ... hiểu, khám phá v n đề tự nhiên phần trình định nghĩa khái niệm, cụ thể khung khái niệm (Llewelyn, 2003) lý thuyết tảng (Glaser Strauss, 1967; Strauss Corbin, - 1998) Phạm vi: Mẫu khảo s t tiến hành...
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Analysis and control of nonlinear process systems
Ngày tải lên :
01/01/2014, 18:38
... systems process and produce vectorvalued signals Time-invariant and Time-varying Systems The second interesting class of systems are time-invariant systems A system S is time-invariant if its ... we restrict ourselves to the class of finite dimensional systems, that is, to systems with finite dimensional state variables In process systems engineering terminology, such systems are assumed ... important cases [32] As a consequence, state variables in a process system model possess a clear engineering meaning – they are the canonical set of conserved extensive quantities in the process system...
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Analysis and design of control systems using MATLAB
Ngày tải lên :
01/01/2014, 18:43
... increasing GH, the magnitude of the sensitivity-function is made arbitrarily small 1.8 CONTROL SYSTEM ANALYSIS AND DESIGN OBJECTIVES Control systems engineering consists of analysis and design of ... the state of a system State Vector: State vector is a vector, which completely describes a system s dynamics in terms of its n-state variables State: The property (condition) of a system State-Space ... Control Systems 1.3 Control System Configurations 1.4 Control System Terminology 1.5 Control System Classes 1.6 Feedback Systems 1.7 Analysis of Feedback 8 1.8 Control System Analysis and Design...
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Tài liệu Inspection, Evaluation and Repair of Steel Structures P2 ppt
Ngày tải lên :
19/01/2014, 23:20
... use various measuring scales, magnifying glasses, and other hand tools to identify, measure, and locate areas of concerns Boroscopes, flashlights, and mirrors may be necessary to inspect areas ... components Concentrated loads occur at support locations on all structures (i.e., trunnion assembly of gates and valves, end posts of lift gates, and end disks of roller gates), lifting connections, and ... A visual inspection is hands-on and requires careful and close examination The inspector should look closely at the members and connections and not just view them from a distance Inspectors should...
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Tài liệu Inspection, Evaluation and Repair of Steel Structures P1 docx
Ngày tải lên :
19/01/2014, 23:20
... details, and a notching effect that creates stress concentrations (1) A loss of cross section in a member causes a reduction in strength and stiffness that leads to increased stress levels and ... through E' represent increasing severity of stress concentration and associated diminishing fatigue life for a given stress range Descriptions and illustrations of various welded details and their ... interfaces between moving parts It is also possible that unusual loads may develop on hydraulic steel structures supported by walls that are settling or moving These unusual loads can cause overstressing...
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Tài liệu Men’s knowledge and awareness of maternal, neonatal and child health care in rural Bangladesh: a comparative cross sectional study pptx
Ngày tải lên :
12/02/2014, 19:20
... using SPSS version 11.5 The analysis involved calculation of summary statistics used in comparing grouped districts Independent t-tests were used to assess differences between means The chi-squared ... providers) and union advocacy meetings were also devised to improve the involvement of men/husbands in MNCH care services Page of baseline survey Therefore, the required sample size for this study ... of the results The retrospective nature of this study was another challenge which raises issues of recall bias, especially because some men were asked about events up to five years in the past...
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Tài liệu Báo cáo khoa học: "Analysis and Repair of Name Tagger Errors" pptx
Ngày tải lên :
20/02/2014, 12:20
... names in the key and the system response (50%) Confusion between names and nominals (phrases headed by a common noun) is a major source of both missed and spurious names (56% of missed, 24% of spurious) ... produced small gains in both identification (0.6% vs 0.4%) and classification (0.8% vs 0.4%) over singledocument coreference Discussion The use of 'feedback' from subsequent stages of analysis has yielded ... tagging since they take names as input “objects” However, the inferences from these subsequent stages can also provide valuable constraints to identify and classify names Each of these stages connects...
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Báo cáo " Analysis and identification of multi-variate random pressure fields using covariance and spectral proper transformations " pdf
Ngày tải lên :
05/03/2014, 14:20
... Effects of basic and cumulative spectral modes on spectral synthesis of pressure position Secondly, effects of basic and cumulative spectral pressure modes on the synthesis of the unsteady pressure ... multi-variate random process into a sum of products of these basic orthogonal vectors and single-variant uncorrelated random processes Let consider the unsteady surface pressure field is expressed ... physical meaning of the spectral pressure modes as well as the linkage between the pressure modes and hidden events of the unsteady pressure fields Synthesis and identification of random pressure...
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6 Coating of Steel Structures...Hydroblasting and Coating of Steel Structures.. potx
Ngày tải lên :
05/03/2014, 19:20
... 5.8 Embedded abrasive particles Wettability of steel substrates Roughness and profile of substrates Aspects of substrate surface integrity 133 136 138 144 Hydroblasting Standards 6.1 Introduction ... generation and phase composition into injection-abrasive water jets, and suspension-abrasive water jets An injection-abrasivewater jet consists of water, air and abrasives, and is considered to ... removed by rinsing with solvents Alkaline pastes for saponifiable coatings Rinse thoroughly with fresh water Stripping is restricted to small areas Shot or grit abrasives Residues of dust and...
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