Inspection, Evaluation, and Repair of Hydraulic Steel Structures pptx

... inspected structures, date and time of inspection, type of inspection, inspection procedure, inspection equipment, inspector identity and qualifications, and a record of discontinuities detected that ... inspection, the type and extent of the deformation must be described accurately and in detail so that an assessment of the effect of the damage can be made. Th...

Ngày tải lên: 19/01/2014, 23:20

... Engineering and Design INSPECTION, EVALUATION AND REPAIR OF HYDRAULIC STEEL STRUCTURES 1. Purpose. This manual describes the inspection, evaluation, and repair of hydraulic steel structures, ... describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of critical locations (such as fr...

Ngày tải lên: 19/01/2014, 23:20

... EVALUATION AND REPAIR OF HYDRAULIC STEEL STRUCTURES 1. Purpose. This manual describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification ... engineer manual (EM) describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of crit...

Ngày tải lên: 27/06/2014, 05:20

... EVALUATION AND REPAIR OF HYDRAULIC STEEL STRUCTURES 1. Purpose. This manual describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of ... of material. Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com US Army Corps of Engineers® ENGINEERING AND DESIGN In...

Ngày tải lên: 27/06/2014, 14:20

... describes the inspection, evaluation, and repair of hydraulic steel structures, including preinspection identification of critical locations (such as fracture critical members and various con- nections) ... due to hydrostatic loading are US Army Corps of Engineers® ENGINEERING AND DESIGN Inspection, Evaluation, and Repair of Hydraulic Steel Structures...

Ngày tải lên: 27/06/2014, 17:20

... Operation and Maintenance 2-6 2-15 Unforeseen Loading 2-7 2-16 Chapter 3 Periodic Inspection Purpose of Inspection 3- 1 3- 1 Inspection Procedures 3- 2 3- 1 Critical Members and Connections 3- 3 3- 2 ... 3- 2 Visual Inspection 3- 4 3- 13 Critical Area Checklist 3- 5 3- 13 Inspection Intervals 3- 6 3- 14 Chapter 4 Detailed Inspection Introducti...

Ngày tải lên: 27/06/2014, 17:20

... Purpose 1- 1 1- 1 Applicability 1- 2 1- 1 Distribution 1- 3 1- 1 References 1- 4 1- 1 Background 1- 5 1- 1 Mandatory Requirements 1- 6 1- 4 Chapter 2 Causes of Structural Deterioration Corrosion 2 -1 ... 20 314 -10 00 Manual No. 11 10-2-6054 1 December 20 01 Engineering and Design INSPECTION, EVALUATION AND REPAIR OF HYDRAULIC STEEL STRU...

Ngày tải lên: 05/08/2014, 11:20

... 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. Current AASHTO S r -N curves EM 1110 -2- 6054 ... hydroxide often forms. Deposits of film-forming materials such as oil and grease and sand and silt can also contribute to corrosion by creating crevices and io...

Ngày tải lên: 05/08/2014, 11:20

... paragraphs 3- 3 and 3- 5, respectively, to assist the inspector during the preinspection. (3) Review of previous inspection reports and operations records will aid in defining occurrence of unusual ... reduces the torsional stability of miter gates during opening and closing. EM 1110-2-6054 1 Dec 01 3- 1 Chapter 3 Periodic Inspection 3- 1. Purpose of...

Ngày tải lên: 05/08/2014, 11:20

... periodic inspection of hydraulic steel structures, if necessary. These methods, discussed in Chapter 4, include dye penetrant, magnetic particle, or eddy-current methods for inspection of cracks, and ... oxidation) and the normal waterline (wetting and drying promotes corrosion). EM 1110-2-60 54 1 Dec 01 3-13 3 -4. Visual Inspection a. Visual inspection is...

Ngày tải lên: 05/08/2014, 11:20

... inspected structures, date and time of inspection, type of inspection, inspection procedure, inspection equipment, inspector identity and qualifications, and a record of discontinuities detected that ... results of NDT. (c) NDT Level III: An NDT Level III individual shall be capable of establishing techniques and procedures; interpreting codes, standards, and...

Ngày tải lên: 05/08/2014, 11:20

... displacement t EM 1110-2 -60 54 1 Dec 01 6- 1 Chapter 6 Structural Evaluation 6- 1. Purpose of Evaluation a. Structural evaluation is the process of determining the capability of a structure ... 1989). 6- 2. Fracture Behavior of Steel Materials a. The operating service temperature of a steel structure has a significant effect on the fracture behav...

Ngày tải lên: 05/08/2014, 11:20

... 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 ... stress (σ p and σ s ) can be linearized and resolved into σ m and σ b as shown in Figure 6- 17. 6-5. Elastic-Plastic Fracture Assessment Rearranging Equation 2-2, the u...

Ngày tải lên: 05/08/2014, 11:20

... 01 A-8 Kayser and Nowak 1987 Kayser, J. R., and Nowak, A. S. 1987. Evaluation of Corroded Steel Bridges,” Bridges and Transmission Line Structures, American Society of Civil Engineers, ... “Iron and Steel Beams 1873 to 1952,” American Institute of Steel Construction, Chicago, IL. Fisher 1977 Fisher, J. W. 1977. “Bridge Fatigue Guide Design and Details,” Am...

Ngày tải lên: 12/08/2014, 16:20