Efficient progressive collapse analysis for robustness evaluation and enhancement of steel concrete composite buildings

... significance of this study lies in bridging this gap by means of a realistic yet efficient progressive collapse analysis method for robustness evaluation of buildings The contribution of this thesis ... 157 5.4.1 Strategy 1: Robustness enhancement of new buildings 157 5.4.2 Strategy 2: Robustness enhancement of existing buildings 159 5.5 Robustness e...

Ngày tải lên: 10/09/2015, 09:10

... A588/A588M steel (a low-carbon weathering steel containing copper) and would corrode when coupled with A588/A588M steel There may also be a potential difference between rivet steel and the adjoining ... contact surfaces of the structure and seal, galvanic corrosion if the seal plate is of a dissimilar metal to that of the structure itself, or erosion corrosion if abrasive...

Ngày tải lên: 19/01/2014, 23:20

... 2001 Engineering and Design INSPECTION, EVALUATION AND REPAIR OF HYDRAULIC STEEL STRUCTURES Purpose This manual describes the inspection, evaluation, and repair of hydraulic steel structures, including ... describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of critical locations (such...

Ngày tải lên: 19/01/2014, 23:20

... 19 93, and ETL 11 10-2-3 51, 31 March 19 94 CECW-ED Manual No 11 10-2-6054 DEPARTMENT OF THE ARMY U.S Army Corps of Engineers Washington, DC 20 314 -10 00 EM 11 10-2-6054 December 20 01 Engineering and ... 11 10-2-6054 EM 11 10-2-6054 December 20 01 Engineering and Design INSPECTION, EVALUATION AND REPAIR OF HYDRAULIC STEEL STRUCTURES Purpose This manual desc...

Ngày tải lên: 05/08/2014, 11:20

... permission 2- 7 EM 1110 -2- 6054 Dec 01 Table 2- 1 (Continued) (Sheet of 4) 2- 8 EM 1110 -2- 6054 Dec 01 Table 2- 1 (Continued) (Sheet of 4) 2- 9 EM 1110 -2- 6054 Dec 01 Table 2- 1 (Concluded) (Sheet of 4) 2- 10 ... Descriptions and illustrations of various welded details and their fatigue categories are given in Table 2- 1 and Figure 2- 1 (AASHTO 1996) Figure 2- 1 Cur...

Ngày tải lên: 05/08/2014, 11:20

... function of hydraulic steel structures is to dam and control the release of water Sources of repeated loading include changes in load due to pool fluctuations, operation of the hydraulic steel structure, ... inspection 3- 2 Inspection Procedures The following four primary steps are considered necessary to perform a periodic inspection adequately: preinspection assessmen...

Ngày tải lên: 05/08/2014, 11:20

... 69 (10) 250 122.0 61.0 46 .0 21.0 11.0 3.9 83 (12) 147 71.0 35.0 27.0 12.0 6 .4 2.2 97 ( 14) 92 44 .0 22.0 17.0 7.5 4. 0 1 .4 110 (16) 62 30.0 15.0 11.0 5.0 2.7 0.95 1 24 (18) 43 21.0 10.0 7.9 3.5 1.9 ... periodic inspection of hydraulic steel structures, if necessary These methods, discussed in Chapter 4, include dye penetrant, magnetic particle, or eddy-current methods for i...

Ngày tải lên: 05/08/2014, 11:20

... components of the structure (5) The inspector should complete a report following the actual inspection The report should include the identification and location of inspected structures, date and time of ... inspected structures, date and time of inspection, type of inspection, inspection procedure, inspection equipment, inspector identity and qualifications, and...

Ngày tải lên: 05/08/2014, 11:20

... Preparation of the test specimen and the test procedure for CTOD testing are described in ASTM E1290 5-5 EM 1110-2 -60 54 Dec 01 Chapter Structural Evaluation 6- 1 Purpose of Evaluation a Structural evaluation ... effect of bead configuration, and macrodefects of welded joints The quality of welds can be evaluated as a function of ductility to resist cracking during ben...

Ngày tải lên: 05/08/2014, 11:20

... combination of σ and a Stress-intensity factors for various types of geometries can be calculated using the information included in Figures 6-8 through 6-16 (Barsom and Rolfe 19 87) Barsom and Rolfe and ... (Barsom and Rolfe 19 87, p 40 Reprinted by permission of Prentice-Hall, Inc., Englewood Cliffs, NJ.) Figure 6-11 Cracks growing from round holes (Barsom and Rolfe 19 87,...

Ngày tải lên: 05/08/2014, 11:20

... life of the members (Pennsylvania Department of Transportation 1 988 ) Figure 6-23 Development of maintenance schedule 6-12 Recommended Solutions for Distressed Structures a If a thorough evaluation ... Association of State Highway and Transportation Officials 1996; American Institute of Steel Construction 1994; EM 1110-2-2105) (5) Integrate the crack growth rate expression...

Ngày tải lên: 05/08/2014, 11:20

... vibration Because of the history of problems at this site, a thorough visual inspection was made previously on several gates (2) Inspection An in-depth inspection was made of the gate with particular ... fracture toughness A review of the hypothetical design documents indicated that the gate had been fabricated from A36 steel Since KIc testing (ASTM E 399 ) of mild steels at...

Ngày tải lên: 05/08/2014, 11:20

... Steel Structures Steel standards for the period when many hydraulic steel structures were constructed are of interest from both a structural evaluation and a repair and maintenance standpoint In a ... structural steel today and is used for both welded and bolted applications b Rivet steel standards (1) Rivet steel was not typically specified by steel grade, but...

Ngày tải lên: 05/08/2014, 11:20

... carbon steel and either stainless steel or bronze), provide an electric insulator between the two metals and avoid large ratios of cathode (stainless steel) to anode (carbon steel) area Surfaces of ... repair plates or components must be compatible with the protective system of adjacent steel EM 111 0-2-3400, CWGS 09940 and CWGS 05036 provide detailed information on sel...

Ngày tải lên: 05/08/2014, 11:20