load factor design of truss joint

aisc design guide 6 - load and resistance factor design of w-shapes encased in concrete

aisc design guide 6 - load and resistance factor design of w-shapes encased in concrete

... effective length factor = unbraced length of column, in = radius of gyration of steel shape in plane of buckling, Load and Resistance Factor Design (LRFD) of Composite Columns To qualify as a composite ... contribution of W10×54 to the total column capacity Portion of factored axial load resisted by W10×54 is: Compute m and n factored load contributory to area enclosed by steel shape, kips Factored axial load ... represent an official position of the Institute and are not intended to exclude other design methods and procedures It is recognized that the design of structures is within the scope of expertise of a...

Ngày tải lên: 24/10/2014, 17:02

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analysis and determination of the stress intensity factor of load-carrying cruciform fillet welded joints

analysis and determination of the stress intensity factor of load-carrying cruciform fillet welded joints

... values of stress intensity factor (KI) increased with the increase in crack size The path of crack propagation in case of root crack is longer than that in cases of toe and cold-lab cracks Values of ... Fatigue analysis of non- load carrying fillet welded cruciform joints Engineering fracture mechanics Vol 74, No.3 (2007), pp: 399-415  Values of stress intensity factor (KI) in cases of toe and cold-lab ... and Boundary Conditions of Load- Carrying Cruciform Welded Joint Figure (3) shows the results of mesh sizes density It was noticed that there are no effects on the stability of results and the very...

Ngày tải lên: 24/05/2014, 20:40

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development of load and resistance factor design for frp strengthening of reinforced concrete structures

development of load and resistance factor design for frp strengthening of reinforced concrete structures

... snow, earthquake, etc each have their own load factor Different types of loads are given different load factors depending on their level of variation These factors were calibrated for buildings in ... Considered 190 Cases of Continued Degradation 190 Design of Strengthening 191 4.5.1 Calculation of Design Load 192 4.5.2 Calculation of Resistance 197 ... Figure A-1 PDF of Bias Factor for Maximum Load for Different Time Spans 269 Figure A-2 CDF of Bias Factor for Maximum Load for Different Time Spans 270 xviii Figure A-3 Comparison of Distributions...

Ngày tải lên: 14/11/2014, 13:32

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Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt

Báo cáo hóa học: " Research Article Burst Format Design for Optimum Joint Estimation of Doppler-Shift and Doppler-Rate in Packet Satellite Communications" ppt

... Preamble Payload Postamble N/4 c M/3 N/4 M/3 N/4 M/3 N/4 P Payload P Payload P Payload P M + N/2 2M/3 + N/2 -3P formatN/3 b M/2 N/3 M/2 N/3 P Payload P Payload P -1st 2P subburstd P Payload -2nd ... variance of any unbiased estimator of Doppler-shift in the case of joint estimation of phase/Doppler-shift using the preamblepostamble (2P) format We explicitly mention that we have chosen a set K of ... subgroups of data symbols; in Figure 12(b), (2xodd + 1) is the (odd) number of subgroups of pilot symbols, and 2xodd is the (even) number of subgroups of data symbols In the sequel we find the values of...

Ngày tải lên: 22/06/2014, 19:20

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LOAD RESISTANCE FACTOR DESIGN pptx

LOAD RESISTANCE FACTOR DESIGN pptx

... participation of Active Members in the engineering, research, and development activities of the Institute make possible the publishing of this Second Edition of the Load and Resistance Factor Design ... Construction, Inc (AISC) Load and Resistance Factor Design Specification for Structural Steel Buildings, December 1, 1993 Specification for Load and Resistance Factor Design of Single-Angle Members, ... without competent professional examination and verification of its accuracy, suitability, and applicability by a licensed professional engineer, designer, or architect The publication of the material...

Ngày tải lên: 29/06/2014, 16:20

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Báo cáo y học: " The effect of the pro-inflammatory cytokine tumor necrosis factor-alpha on human joint capsule myofibroblasts" ppsx

Báo cáo y học: " The effect of the pro-inflammatory cytokine tumor necrosis factor-alpha on human joint capsule myofibroblasts" ppsx

... effect of tumor necrosis factor- alpha (TNF-α) on humanjoint capsule myofibroblasts Seven The experimental setup setup to the effect of tumor necrosis factor- alpha (TNF-α) on human joint capsule myofibroblasts ... http://arthritis-research.com/content/12/1/R4 Page of 16 Figure Expression of the myofibroblast marker alpha-smooth muscle actin (α-SMA) hip joint and contracted elbow joint capsules Expression of the myofibroblast marker alpha-smooth ... of 16 Figure Cell viability and proliferative capacity of myofibroblasts upon tumor necrosis factor- alpha (TNF-α)treatment The effect of the cyCell viability and proliferative capacity of myofibroblasts...

Ngày tải lên: 12/08/2014, 11:22

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Báo cáo y học: "The design of transcription-factor binding sites is affected by combinatorial regulation" pps

Báo cáo y học: "The design of transcription-factor binding sites is affected by combinatorial regulation" pps

... observed for two-thirds of all 102 transcription factors and for 82.5% of the 40 transcription factors that regulate at least 50 genes (P = × 10-5 was estimated for this number of factors, by randomly ... Number of binding sites 40 reviews Variance of expression profile 0.9 comment Cumulative fraction of genes Volume 6, Issue 12, Article R103 10 Number of binding sites 15 0.3 0.25 0.2 0.15 Number of ... of distribution correlations for one ofhas datanumber of motif for promoters to which as tion factor associated effectivesite inpromoters according exactly number ofnumberthe binding sites, factorsfuzziness...

Ngày tải lên: 14/08/2014, 15:20

10 237 0
guide for design of jointed concrete pavements

guide for design of jointed concrete pavements

... construction joints 4.3—Longitudinal joints 4.4—Isolation joints and expansion joints 4.4.1—Isolation joints 4.4.2—Expansion joints 4.5—Slab reinforcement 4.6—Irregular panels 4.7—Contraction joint ... subgrade modulus; is the ratio of the load per unit area of horizontal surface of a mass of soil to corresponding settlement of the surface and is determined as the slope of the secant, drawn between ... development Load transfer across transverse joints is another important element of design Contraction joints without dowels provide load transfer through aggregate interlock across the joint Closely...

Ngày tải lên: 24/10/2014, 22:11

32 510 0
SAP2000®  Linear and Nonlinear  Static and Dynamic  Analysis and Design  of  Three-Dimensional Structures

SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures

... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure button, to start the steel frame design process The program designs ... Click the Design menu > Steel Frame Design > Start Design/ Check of Structure command or the Start Steel Design/ Check of Structure process button, to start the steel frame design G When the design ... New Load button to add the LIVE load to the load list The Define Loads form should now appear as shown in Figure 25 Click the OK button in that form to accept all of the newly defined static load...

Ngày tải lên: 06/09/2012, 15:56

47 1,4K 2
SAP2000 Integrated Finite Elements Analysis and Design of Structures

SAP2000 Integrated Finite Elements Analysis and Design of Structures

... edge joints Note that no mass is assigned to joints 22 and 26 at the roof level These are the joints at the top of the chevron braces Joint Labels at Center, Edge and Corner Joints Level Center Joint ... forces are broken down into joint loads as shown in Table B-2 Joint Loads at Center, Edge and Corner Joints (k) For Second Level Earthquake Center Joint Edge Joints Corner Joints 11, 13, 15, 17 10, ... Edge Joints Corner Joints Roof 24 20, 23, 25, 28 19, 21, 27, 29 Second 14 11, 13, 15, 17 10, 12, 16, 18 Joint Masses at Center, Edge and Corner Joints (k-sec2 / ft) Level Center Joint Edge Joints...

Ngày tải lên: 06/09/2012, 15:56

127 1,5K 2
The design of mat foundations

The design of mat foundations

... being designed for a small office building with a total live load of 250 kips and dead load of 500 kips Find: (a) the depth Df for a fully compensated foundation, (b) the depth Df if a soft clay ... 38.7 kN/m2 Reactive soil load per unit length of the strip: B qavg (mod) = (4.25 m)(38.7 kN/m2) = 164.5 kN/m Column modification factor F = (average load / total col load) = (3,538 / 3,800) = ... 5,323) = 27.1 kN/m2 Reactive soil load per unit length of strip, B qavg (mod) = (8 m)(27.1 kN/m2) = 216.8 kN/m Column modification factor F = (avg load/ total column load) = (4,662/4,000) = 1.166...

Ngày tải lên: 16/10/2012, 10:43

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Báo cáo y học: "Complications after spacer implantation in the treatment of hip joint infections"

Báo cáo y học: "Complications after spacer implantation in the treatment of hip joint infections"

... properties of gentamicin-loaded hip spacers after insertion of Kirschner wires [31] Stress experiments showed an average failure load of 1.6 kN The insertion of the K-wires prevented any dislocation of ... Isiklar et al found one case of ARF out of 10 patients after implantation of a vancomycin-loaded hip spacer (2-3 g vancomycin / 40 g PMMA) and intravenous administration of the same antibiotic [14] ... a study of 274 patients who underwent total hip replacement that of the patients with deep joint sepsis who had preoperative urinary tract infections, had evidence of the same organism of both...

Ngày tải lên: 26/10/2012, 09:53

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Báo cáo y học: "Classification of hip joint infections"

Báo cáo y học: "Classification of hip joint infections"

... also for the hip joint, although initially described for the knee joint [8] This classification system consists of stages (Table 1) and combines intraarticular findings of the soft tissues as well ... duration) (1-2 compromising factors) (1-2 compromising factors) C: significant compromise 3: significant compromise (> compromising factors) or one of (> compromising factors) - absolute neutrophil ... assessment of hip joint infections Generally, a valid and reliable staging system should facilitate comparison of patients treated for joint infection between institutions and allow analysis of outcomes...

Ngày tải lên: 26/10/2012, 09:57

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DESIGN OF REINFORCED MASONRY STRUCTURES

DESIGN OF REINFORCED MASONRY STRUCTURES

... Conference of Building Officials International Masonry Institute light framing load factor design load and resistance factor design Masonry Institute of America Masonry Standards Joint Committee ... CONTENTS 6.6 Analysis of Masonry Walls for Out -of- Plane Loads / 6.38 6.7 Design of Walls for Gravity and Transverse Loads / 6.44 6.8 Axial Loads on Walls Subjected to Out -of- Plane Loads / 6.69 6.9 ... engineering profession is to move toward using the strength design philosophy for the design of concrete structures, and load and resistance factor design (LRFD) for the design of steel structures...

Ngày tải lên: 17/08/2013, 11:41

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Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... density of the cell; the higher the load the slower the convergence Figure Computational mesh of the planar compacted -design micro-structured air-breathing PEM fuel cell (quadratic) The values of ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell...

Ngày tải lên: 05/09/2013, 14:58

18 549 0
Optimal design of PEM fuel cells to generate maximum power: A CFD study

Optimal design of PEM fuel cells to generate maximum power: A CFD study

... reflects the influence of the operating parameters on fuel cell performance to investigate the in situ total displacement and degree of the deformation of the polymer membrane of PEM fuel cells The ... decreases with increasing of the cell operating pressure This is because of the exchange current density of the oxygen reduction reaction increases with increasing of the cell operating pressure ... International Journal of Energy and Environment IJEE, 2010; 1(2), 183-198 [5] Chun-Hua Min Performance of a proton exchange membrane fuel cell with a stepped flow field design Journal of Power Sources,...

Ngày tải lên: 05/09/2013, 14:58

10 427 0
Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell

Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell

... micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow reliable simulation of the processes ... for the design and optimization of future fuel cells to improve their lifetime with a much higher power density and lower cost The analysis offers valuable physical insight towards design of a cell ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing...

Ngày tải lên: 05/09/2013, 14:58

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Theory and design of CNC systems (Học CNC)

Theory and design of CNC systems (Học CNC)

... 10.3 Design of Soft-NC System 10.3.1 Design of Task Module 10.3.2 Design of the System Kernel ... composed of two parts with a total of 11 chapters: Part I is composed of Chapters 1–6 on the principle and design of CNC, and Part II is composed of an open-architectural soft CNC system Specifically, ... invented the method of automatic control of the weaving of fabrics with a loom machine by using punch cards and this method was the beginning of the concept of NC The concept of NC was actually...

Ngày tải lên: 08/09/2013, 20:50

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