cyclic behaviour of beam to column welded connections

finite element analysis of structural steelwork beam to column bolted connections 2001

finite element analysis of structural steelwork beam to column bolted connections 2001

... apportioned to material strain hardening and the remaining 20% to dispersal into the beam web Test E3 failed at a connection moment of 290 kNm due to thread stripping of both the bolts and nuts local to ... reserve of capacity is of benefit to the Engineer In plastic design when members and connections are designed to yield this reserve of capacity has the effect of not allowing the connection to behave ... considerable stresses, up to 500 N/mm2, in the bottom corner of the beam web As the load on Test E1 increased the stresses in the compression flange reached up to 500 N/mm2 The area of beam web which had...

Ngày tải lên: 04/06/2014, 13:20

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Cyclic and post cyclic behaviour of soft clays

Cyclic and post cyclic behaviour of soft clays

... influence of cyclic stress or strain history on the subsequent post -cyclic characteristics of clays become complicated and possibly unreliable (ii) After cyclic loading and prior to post -cyclic monotonic ... dynamic behaviour of Singapore Marine Clay to be examined 1.1.2 Overview of Cyclic Loading Studies on Soft Clays Most investigations up till now focused on specific aspects of constitutive behaviour ... indicative of its post -cyclic behaviour if post -cyclic monotonic loading is conducted immediately after cyclic loading Because of possible pore pressure non-uniformity and discontinuities between cyclic...

Ngày tải lên: 09/09/2015, 11:10

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recommendations for design of beam-column connections in monolithic reinforced concrete structures

recommendations for design of beam-column connections in monolithic reinforced concrete structures

... face of the column to the edge of the slab parallel to the beam The quantity ct is a width of slab in the transverse direction equal to the distance from the interior face of the column to the ... values of the column -to -beam strength ratios suggested in these provisions often result in BEAM- COLUMN CONNECTIONS IN MONOLITHIC CONCRETE STRUCTURES column yielding and a shift of the location of ... can be triggered by torsional failure of the transverse beam, the beam should be reinforced to resist the torsion imposed by beam and slab bars anchored in the BEAM- COLUMN CONNECTIONS IN MONOLITHIC...

Ngày tải lên: 24/10/2014, 16:04

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Báo cáo hóa học: "THE EXACT ASYMPTOTIC BEHAVIOUR OF THE UNIQUE SOLUTION TO A SINGULAR DIRICHLET PROBLE" ppt

Báo cáo hóa học: "THE EXACT ASYMPTOTIC BEHAVIOUR OF THE UNIQUE SOLUTION TO A SINGULAR DIRICHLET PROBLE" ppt

... The outline of this article is as follows In Section 2, we continue to recall some basic properties to Karamata regular variation theory In Section 3, we prove the asymptotic behaviour of the unique ... Lemma 4.3 to consider existence of solutions to problem (1.1) Let u0 ∈ C 2+α (Ω) ∩ C(Ω) be the unique solution to problem (1.2) Obviously, u = u0 is a supersolution to problem (1.1) To construct ... show the existence and exact asymptotic behaviour of the unique solution near the boundary to problem (1.1) First we recall a basic definition and a basic property to Karamata regular variation theory...

Ngày tải lên: 22/06/2014, 22:20

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Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

... material response is supposed to be a linear function of stress Thus the total response to the two different kinds of stresses is the sum of each contribution The influence of shear stress on the deflection ... tests, for which the whole history is assumed to be due to the thermal activation of the viscoelastic behaviour A solution to this problem requires the experimental time to be distinguished from the ... sample) The results of this kind of investigation are quite simple to analyse, provided the experimental determination of the loss factor is relevant That last condition has to be checked carefully...

Ngày tải lên: 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Modelling the biomechanical behaviour of growing trees at the forest stand scale. Part I: Development of an Incremental Transfer Matrix Method and application to simplified tree structures" pptx

Báo cáo lâm nghiệp: "Modelling the biomechanical behaviour of growing trees at the forest stand scale. Part I: Development of an Incremental Transfer Matrix Method and application to simplified tree structures" pptx

... architecture and biomechanical behaviour to be analysed [20] However, this software is not adapted to calculate the biomechanical behaviour of a large number of growing trees due to the numerical complexity ... The moments of inertia of the cross-section are defined with respect to the beam local reference axes y, z , x by: where T is the transfer matrix of the beam and D is the state vector of distributed ... acceleration of gravity (m·s–2) and n Z x , n Z y , n Z z (dimensionless) are the direction cosines of the vertical Z with respect to local axes x, y , ˆ z of the beam in nC State vector of distributed...

Ngày tải lên: 08/08/2014, 01:22

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Báo cáo khoa học: "Germination behaviour of 3 species of the genus Pinus in relation to high temperatures suffered during forest fires" pdf

Báo cáo khoa học: "Germination behaviour of 3 species of the genus Pinus in relation to high temperatures suffered during forest fires" pdf

... intend to analyze the behaviour of species, Pinus pinaster, Pinus radiata and Pinus sylvestris, during germination, in relation to fire and to try to integrate the results obtained into the frame of ... of each of the species studied, it is necessary to take into account factors other than germination, and a very important factor is the production of seed Some species invest a great amount of ... method consists of exposing no-selected seeds to high temperatures during short periods of time in order to simulate the action of fire under conditions as natural as possible According to Trabaud...

Ngày tải lên: 08/08/2014, 19:21

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Báo cáo y học: "A combination of autoantibodies to cyclic citrullinated peptide (CCP) and HLA-DRB1 locus antigens is strongly associated with future onset of rheumatoid arthritis" potx

Báo cáo y học: "A combination of autoantibodies to cyclic citrullinated peptide (CCP) and HLA-DRB1 locus antigens is strongly associated with future onset of rheumatoid arthritis" potx

... with autoimmune disease: a failure to protect? Rheumatology 2000, 39:1060-1066 Wernhoff P, Olofsson P, Holmdahl R: The genetic control of rheumatoid factor production in a rat model of rheumatoid ... medical centre for rheumatology in the county of Västerbotten), and with a known date of onset of symptoms or signs of joint disease, was coanalysed with the registers of the cohorts from the ... sampling time before onset of symptoms of joint disease was 2.0 years (IQR 0.9–3.9 years) The antedating time for the samples was calculated to the onset of any symptoms of RA in all prepatients...

Ngày tải lên: 09/08/2014, 01:23

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Differential behaviour of normal, transformed and Fanconi’s anemia lymphoblastoid cells to modeled microgravity ppt

Differential behaviour of normal, transformed and Fanconi’s anemia lymphoblastoid cells to modeled microgravity ppt

... Page of 10 diode array detector (Beckman Coulter Inc., Fullerton, CA, USA) Sample analysis is accomplished by the Karat software (Beckman) The time course removal of 8-OHdG of cells exposed to ... apoptotic susceptibility, the depletion of energy storages and the reduced repair ability, which are probably linked to the downregulation of genes deputed to the control and regulation of these ... inherited as an autosomic recessive character and its poor prognosis is often related to pancytopenia, bone marrow failure and increased risk to malignancies [13] While a complete review of the pathophysiological...

Ngày tải lên: 10/08/2014, 05:21

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aisc design guide 13 - errata - stiffening of wide-flange column at moment connections

aisc design guide 13 - errata - stiffening of wide-flange column at moment connections

... a CJP groove weld is used to connect one transverse stiffener to the column web The web doubler plate extends to contact the transverse stiffener and is fillet welded to it In Figure 4-12c, a ... configured to transmit the portion of the unbalanced force in excess of the column web strength to the web doubler plate In Figure 4-11d, the fillet welds on the right side connect one side of the ... transverse stiffener to the column web and the other side to the web doubler plate In Figure 4-12d, a similar detail is used with web doubler plates on both sides of the column web In each of these details,...

Ngày tải lên: 24/10/2014, 17:03

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aisc design guide 13 - stiffening of wide-flange column at moment connections

aisc design guide 13 - stiffening of wide-flange column at moment connections

... stiffeners fillet welded to column web transverse stiffeners groove welded to column flanges A B transverse stiffeners fillet welded to column flanges transverse stiffeners groove welded to column web ... face of column flange to the web toe of the flange -to- web fillet, in N ‫ ס beam flange or flange plate thickness plus 2w, in Ct ‫ 5.0 ס‬if the distance from the column end to the closer face of the beam ... beveled and fillet welded to column flanges web doubler plate groove welded to column flanges Section A-A B See note below web doubler plates fillet welded to column web (top and bottom) A A B Section...

Ngày tải lên: 24/10/2014, 17:03

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Behaviour of caisson breakwater subject to breaking waves

Behaviour of caisson breakwater subject to breaking waves

... The results of parametric studies conducted to examine the effects of RD of sand bed, caisson width, x caisson weight, presence of rock berm, slamming on top slab of caisson and cyclic preloading ... BEHAVIOUR OF CAISSON BREAKWATER SUBJECT TO BREAKING WAVES ZHANG XI YING (M.E., HUST) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CIVIL ENGINEERING ... Design of wave actuator apparatus 74 3.13 Photograph of wave actuator apparatus 75 3.14 Brushless DC/AC servomotor 76 3.15 Schematic of...

Ngày tải lên: 12/09/2015, 09:03

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Developing a 3d multi body simulation tool to study dynamic behaviour of human scoliosis

Developing a 3d multi body simulation tool to study dynamic behaviour of human scoliosis

... center of each vertebra perpendicular to the spinal line to the total length of the spinal line, one can calculate the index of deformity of the spine For a normal spine this value has to be zero ... automated In the next chapter, the procedure to construct a kinematic model of the spine in LifeMOD software and also application of motion capture technique to apply the motion trajectories to ... levels of severity The main purpose of developing such a model is to study the dynamic behaviour of human scoliosis in order to help researchers to have a better understanding about biomechanics of...

Ngày tải lên: 30/09/2015, 06:15

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SECTION 10: FOUNDATIONS TABLE OF CONTENTS [TO BE FURNISHED WHEN SECTION IS FINALIZED]

SECTION 10: FOUNDATIONS TABLE OF CONTENTS [TO BE FURNISHED WHEN SECTION IS FINALIZED]

... methods of exploration, such as SPT, CPT, etc to establish stratification of the subsurface materials, the profile of the top of bedrock and bedrock quality, depth to groundwater, limits of types of ... >4320 ksf 85 to 175 ksf 2160 to 4320 ksf Relative Rating 15 Drill core quality RQD 90% to 100% 20 >10 ft 30 20 to 45 ksf 520 to 1080 ksf 75% to 90% to 10 ft 25 Relative Rating Spacing of joints ... sliding, an ASD safety factor of 1.5, corresponding to a resistance factor of approximately 0.9 Calibration by fitting to ASD controlled the selection of the resistance factor in cases where statistical...

Ngày tải lên: 06/09/2012, 15:57

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Báo cáo y học: "Current Status of Methods to Assess Cancer Drug Resistance"

Báo cáo y học: "Current Status of Methods to Assess Cancer Drug Resistance"

... 1950s, research teams started to develop laboratory tests in order to predict tumor reaction to cytostatic drugs [5] They used fresh cancer tissue and examined the effect of the drugs on tumor cell ... beginning laboratory techniques were still in their infancy Short term cell cultures of cancer tissues were difficult to perform and procedures varied from laboratory to laboratory However, the ... alpha-fetoprotein (AFP), found their way at an early stage into clinical laboratories Many others have followed in the meantime However, most of them are not tumor specific The use of changes of serum...

Ngày tải lên: 25/10/2012, 11:10

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Báo cáo y học: "Mechanical behaviour of standardized, endoskeleton-including hip spacers implanted into composite femurs"

Báo cáo y học: "Mechanical behaviour of standardized, endoskeleton-including hip spacers implanted into composite femurs"

... 7206-4 Determination of endurance properties of stemmed femoral components with application of torsion ISO 1989 19 Viceconti M, Casali M, Massari B, Cristofolini L, Bassini S, Toni A The ‘Standardized ... reference geometry to be used for the creation of finite element models of the femur J Biomech 1996; 29: 1241 20 Cristofolini L, Viceconti M, Cappello A, Toni A Mechanical Validation of Whole Bone ... caused a non-linear displacement behaviour of the reinforced spacer and resulted into periprosthetic fractures of the proximal part of the femur (Fig 6) Fracture was of explosion type where the spacer...

Ngày tải lên: 26/10/2012, 09:53

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FATIGUE BEHAVIOUR OF FIBRE REINFORCED BITUMINOUS MIXTURES FROM INDIRECT TENSILE FATIGUE TEST

FATIGUE BEHAVIOUR OF FIBRE REINFORCED BITUMINOUS MIXTURES FROM INDIRECT TENSILE FATIGUE TEST

... Cracks on both sides of the beam were monitored visually as the vertical distance from the base of the bituminous beam layer The sides of the beams were painted with white emulsion to facilitate this ... Bending moment y = Location of the LVDT from the centroid of the beam  bd   I = moment of inertia of the beam  I =    12  Figure Initial Strain and Number of Cycles to Failure Determination ... Testing of the beams was done at ambient temperature ranging from 17-220C 6.0 INTERPRETATION OF BEAM FATIGUE TEST RESULTS In the laboratory fatigue tests, the prime factor controlling the onset of...

Ngày tải lên: 01/04/2013, 22:43

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DEVELOPING, USING AND ANALYZING THE RESULTS OF INTERVIEWS TO DETERMINE THE FEELINGS OF FOREIGN TOURISTS ON THEIR VISIT TO VIET NAM

DEVELOPING, USING AND ANALYZING THE RESULTS OF INTERVIEWS TO DETERMINE THE FEELINGS OF FOREIGN TOURISTS ON THEIR VISIT TO VIET NAM

... INTERVIEW QUESTIONS According to the purpose of the report, we had to go out to carry out our interview with the foreigner tourists We had to spend two days in the OldQuarter to it Before carrying this ... where have many tourist drinking beer there, very famous street with tourist We ordered a bottle of orange juice, drank and wait for a chance to access tourists And we got it Most of tourists here ... return to Hanoi for a second visit? Background a Chart of Nationality This pie chart shows us the Nationality of the tourist coming to Vietnam at this time, and divided into three occupations: tourists...

Ngày tải lên: 25/04/2013, 15:42

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