Inspection Evaluation And Repair Of Steel structures Part 1 docx

... 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

... 214 .0 94.0 51. 0 18 .0 55 (8) 495 238.0 11 9.0 90.0 40.0 22.0 7.6 69 (10 ) 250 12 2.0 61. 0 46.0 21. 0 11 .0 3.9 83 (12 ) 14 7 ... deformation, cracking, or corrosion. EM 11 10-2-6054 1 Dec 01 3-8 Figure 3-4. Girder-rib-skin-plate connection EM 11 10-2-6054 1 Dec 01 3 -11 (6) Areas...

Ngày tải lên: 05/08/2014, 11:20

... structural evaluation, performance criteria and analytical tools are needed. Loading and performance criteria for hydraulic steel structures are outlined in EM 11 10-2- 210 5, EM 11 10-2- 27 01, EM 11 10-2-2702, ... displacement t EM 11 10-2-6054 1 Dec 01 6 -1 Chapter 6 Structural Evaluation 6 -1. Purpose of Evaluation a. Structural evaluation is the...

Ngày tải lên: 05/08/2014, 11:20

... Milton Keynes, MK14 6LE) EM 11 10-2-6054 1 Dec 01 6 -11 Figure 6 -14 . Embedded elliptical or circular crack (Barsom and Rolfe 19 87, p 47. Reprinted by permission of Prentice-Hall, Inc., ... (British Standards Institution 19 80). EM 11 10-2-6054 1 Dec 01 6-5 Figure 6-5. Interaction of coplanar discontinuities (Extracts from British Standards Institution...

Ngày tải lên: 05/08/2014, 11:20

... direction of the existing crack. 8 -16 EM 11 10-2-6054 1 Dec 01 Figure 8 -11 . Trashrack repair details (1 in. = 2.54 cm; 1 ft = 0.3 m) (Continued) 8 -17 EM 11 10-2-6054 1 Dec 01 ... shown that out -of- plane displacement and rigidity of end connections may also impose flexure in the bracing members (Commander et al. 19 94). 8 -11 EM 11 10-2-...

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... EM 11 10-2-6054 1 Dec 01 FRACTURED RAIL Figure 8 -16 . Cracked steel handrail Figure 8 -17 . Steel handrail schematic (1 in. = 2.54 cm; 1 ft = 0.3 m) the post ... discussion of repair of the trashrack bars in paragraph 8-6e). Figure 8 -18 . Bolted tee connection retrofit of fractured hand rail 8-23 EM 11 10-2-6054 1 Dec 01 Figure 8...

Ngày tải lên: 05/08/2014, 11:20

... EM 11 10-2-6054 1 Dec 01 2 -10 Table 2 -1 (Concluded) (Sheet 4 of 4) EM 11 10-2-6054 1 Dec 01 2-6 a. Basic behavior. (1) Like brittle fracture, fatigue ... measure loss of material. EM 11 10-2-6054 1 Dec 01 2 -11 (2) The American Institute of Steel Construction (AISC) has adopted AASHTO S r -N curves for fatigue design (AISC 19 89...

Ngày tải lên: 05/08/2014, 11:20

... reduces the torsional stability of miter gates during opening and closing. EM 11 10-2-6054 1 Dec 01 3 -1 Chapter 3 Periodic Inspection 3 -1. Purpose of Inspection a. As discussed ... ER 11 10-2- 815 7. Periodic inspections on hydraulic steel structures are primarily visual inspections. The inspection procedure should be designed to detect damage, dete...

Ngày tải lên: 05/08/2014, 11:20

... EM 11 10-2-6054 1 Dec 01 3 -18 Figure 3 -10 . Critical areas for miter gates EM 11 10-2-6054 1 Dec 01 3 -16 Figure 3-8. Critical areas for tainter gates EM 11 10-2-6054 1 Dec ... the radiation beam, and accessibility to both sides of the parts to be inspected is required. EM 11 10-2-6054 1 Dec 01 4 -1 Chapter 4 Detailed Inspection 4...

Ngày tải lên: 05/08/2014, 11:20

... da/dN = 3.6 × 10 -10 (∆K I ) 3 where a = in. and ∆K I = ksi- .in ) (2) Martensitic steels. ASTM A 514 /A 514 M and ASTM A 517 / 517 M steels are martensitic steels: da/dN = 1. 35 × 10 -7 (∆K I ) 2.25 ... EM 11 10-2-6054 1 Dec 01 6 -17 (1) Ferrite-pearlite steels. ASTM A36M-97 and ASTM A572/572M Grade 50 steels are classified as ferrite-pearlite steels:...

Ngày tải lên: 05/08/2014, 11:20