Inspection Evaluation And Repair Of Steel structures Part 9 pot

... 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 i...

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... 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 o...

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 i...

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... 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 beha...

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... 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...

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... src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAkIAAAGfCAIAAAA8jSo7AAAACXBIWXMAABYlAAAWJQFJUiTwAAAgAElEQVR42u3dWZajurIAUKhV8zIemWFkNiPjfeiWno5ojDvavT9qZTmdaScGhSLUUBQAsFtlURRd1zkQAOwvhpXlH0cBgP0SxgAQxgBAGAMAYQwAYQwAhDEAEMYAQBgDQBgDAGEMAIQxAIQxABDGAEAYAwBhDABhDACEMQAQxgBAGANAGAMAYQwAhDEAhDEAEMYAYBl/HQLgVNq2vVwuE999PB5FUVRVFb7YjsfjUVXV2Lfi247/xsfDf3/9d1VVdb/flz8sZVEUXdc5s+ETTdPcbreJRrNpmqIo...

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... fracture toughness. A review of the hypothetical design documents indicated that the gate had been fabricated from A36 steel. Since K Ic testing (ASTM E 399 ) of mild steels at reasonable service ... 3. 89 cm (1.53 in.) EM 1110-2-6054 1 Dec 01 7-8 Figure 7-4. CVN-K Ic correlations (°C = 5 /9 (°F – 32); 1 ksi- .in = 1. 099 MPa- m ) (5) Since the crack size and g...

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... src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAvkAAATaCAIAAABHNu6NAAAACXBIWXMAABYlAAAWJQFJUiTwAAAgAElEQVR42u3dfaxkZWH48ec012DcKiJeJHW1u8US3PCyTdEaVjszBWkatFBeQsXGxKZYW42mtk0a+8ecwaSNSWsjJtqmSf/AIhQDRMoWtl32ngEuSiqlhS19C+xCl/ByacSVNWzYZn5/PN3nd5y5e3fuvXPnzjzz+fxBLrP3ZebcuXO+85znPKfo9XqBjXHaaae9/PLLY/txF 1100 eLios0OAHVzNsHGefnllw8cODC2H7dlyxbbHAD6FMZ1NsixY8de97rX2bwAsLl+zCbYIIcOHXrzm99sOw...

Ngày tải lên: 05/08/2014, 11:20

... weldability and welding practices for structural steel had markedly improved and standardized. d. Weldability of earlier steels. (1) A very good reference that discusses the weldability of steels, ... covers three grades of steel rivets: general-purpose carbon steel rivets, carbon-manganese steel rivets for use with high-strength carbon and high-strength low-alloy...

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... 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...

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... src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAvkAAATaCAIAAABHNu6NAAAACXBIWXMAABYlAAAWJQFJUiTwAAAgAElEQVR42u3dfaxkZWH48ec012DcKiJeJHW1u8US3PCyTdEaVjszBWkatFBeQsXGxKZYW42mtk0a+8ecwaSNSWsjJtqmSf/AIhQDRMoWtl32ngEuSiqlhS19C+xCl/ByacSVNWzYZn5/PN3nd5y5e3fuvXPnzjzz+fxBLrP3ZebcuXO+85znPKfo9XqBjXHaaae9/PLLY/txF1100eLios0OAHVzNsHGefnllw8cODC2H7dlyxbbHAD6FMZ1NsixY8de97rX2bwAsLl+zCbYIIcOHXrzm99sOwCA...

Ngày tải lên: 11/08/2014, 09:20

... Construction and Maintenance CWGS 05036 Metallizing: Hydraulic Structures CWGS 099 40 Painting: Hydraulic Structures American Association of State Highway and Transportation Officials 199 6 American ... Inspection and Continuing Evaluation of Completed Civil Works Structures ER 1110-2-1150 Engineering and Design for Civil Works Projects ER 1110-2-8157 R...

Ngày tải lên: 11/08/2014, 09:20

... Pennsylvania Department of Transportation 1988 Pennsylvania Department of Transportation. 1988. “Guidelines for Fatigue and Fracture Safety Inspection of Bridges,” Commonwealth of Pennsylvania, Department ... Manual of Steel Construction,” 9 th ed., Chicago, IL. American Institute of Steel Construction 1994 American Institute of Steel Construction. 1994. “Load...

Ngày tải lên: 11/08/2014, 09:20