Inspection, Evaluation and Repair of Steel Structures Part 9 potx

... 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

... strength and economic reasons, EM 1110-2-2703 recommends that hydraulic steel structures be fabricated using structural-grade carbon steel. Standards such as ASTM A6/A6M or ASTM A 898 /A 898 M have ... evaluation is included and the severity of the condition can be quantitatively compared with previous and future observations. c. Evaluation. Evaluation of the effect...

Ngày tải lên: 05/08/2014, 11:20

... 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 ge...

Ngày tải lên: 05/08/2014, 11:20

... Manual of Steel Construction,” 9 th ed., Chicago, IL. American Institute of Steel Construction 199 4 American Institute of Steel Construction. 199 4. “Load and Resistance Factor Design Manual of ... S. 198 7. Evaluation of Corroded Steel Bridges,” Bridges and Transmission Line Structures, American Society of Civil Engineers, New York, 35-46. Kayser and...

Ngày tải lên: 11/08/2014, 09:20

... 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) ... or lift gates, but some 1-1 US Army Corps of Engineers® ENGINEERING AND DESIGN Inspection, Evaluation, and Repair of Hydraulic Steel Structures...

Ngày tải lên: 05/08/2014, 11:20

... Categories (Sheet 1 of 4) Note: Refer to AASHTO 199 6 for Table 10.3.1A. For Figure 10.3.1C, see the last sheet of this table. Taken from AASHTO 199 6, Copyright 199 6 by AASHTO, reproduced ... especially true of welds on riveted structures, since the structural steels typically used in older structures are not characterized as steels for welding. A discussion of structura...

Ngày tải lên: 05/08/2014, 11:20

... 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 sand and silt particles are ... 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 ri...

Ngày tải lên: 05/08/2014, 11:20

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

Ngày tải lên: 05/08/2014, 11:20

... 198 7, 198 9; Mlakar et al. 198 9). 6-2. Fracture Behavior of Steel Materials a. The operating service temperature of a steel structure has a significant effect on the fracture behavior of ... Structural Evaluation 6-1. Purpose of Evaluation a. Structural evaluation is the process of determining the capability of a structure to perform its intended func...

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 198 7). Barsom and Rolfe and ... (British Standards Institution 198 0). EM 1110-2-6054 1 Dec 01 6-5 Figure 6-5. Interaction of coplanar discontinuities (Extracts from British Standards Institution 198 0. C...

Ngày tải lên: 05/08/2014, 11:20