Systematic approaches toward minimum maintenance risk management methods for weathering steel infrastructures

Kihira, Hiroshi

doi:10.1016/j.corsci.2006.05.029

Cited by 13 publications

(12 citation statements)

References 8 publications

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“…Unlike organic or inorganic materials, weathering steel does not deteriorate internally. Therefore, all corrosion risks are monitored by the inspection of steel surface member (Kihira, 2007). This fact has already been established that steel bridges tend to damage locally around the bearings whereas, the rest of the interior portion of steel plate girder remains quite intact which is primarily due to the gathering of rain drops and water leakage from the construction joints (Tamakoshi et al, 2006;Kayser and Nowak, 1989).…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical evaluation of bearing capacity of steel plate girder affected by end panel corrosion

et al. 2014

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The present study deals with the effect of uniform and non-uniform local corrosion damages at the bearing stiffener and nearby web on the bearing capacity of plate girder. Five plate girder ends simulated with different uniform and non-uniform types of corrosion damage, at the base of the bearing stiffener are used in the experimental program. The experimental results are modeled and verified on a Finite Element (FE) software ABAQUS, considering shell-solid coupling elements formulation. The study is further extended to various damage cases i.e., stiffener damage, stiffer plus web damages etc. considering different damage heights and residual thicknesses. The study concludes that minimum thickness within any damage height may be used to simulate the corrosion damage in a FE analysis. At the end, some empirical relationships are also proposed to estimate the bearing strength of the plate girder affected by the local corrosion damage at plate girder end.

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Section: Introductionmentioning

confidence: 99%

Experimental and numerical evaluation of bearing capacity of steel plate girder affected by end panel corrosion

et al. 2014

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“…Kihira [54] has clearly demonstrated that the design concept for minimizing the maintenance cost is key to attaining the best life-cycle performance of a bridge, especially that made of unpainted weathering steel. In this concept, three technologies are required: 1.…”

Section: G2 "Minimum-maintenance" Conceptmentioning

confidence: 99%

“…A rust-monitoring system, such as the instrument developed in 1989 as previously described [43] aiming at identifying abnormal rust growth 3. Development of the effective repair methods [54,58] applicable to identification of the abnormal rust growth during monitoring…”

Section: G2 "Minimum-maintenance" Conceptmentioning

confidence: 99%

Weathering Steel

Murata

2011

Uhlig's Corrosion Handbook

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A. Need for weathering steel B. History B1. Applications B2. Expansion of the use of weathering steels C. Alloying elements C1. Mechanistic aspects D. Monitoring rust films E. Design parameters F. Guidelines for bare weathering steel G. Advancement in weathering steel in the past decade G1. Life-cycle design specification for highway bridges G2. "Minimum-Maintenance" concept G3. Advanced weathering steel References A. NEED FOR WEATHERING STEELRecognition of global warming and environmental degradation has caused the direction of technology to shift toward environmentally conscious and sustainable development, with the result that increased efficiency in the use of limited resources is now a focus (e.g., recycling industrial materials). In addition, the environmental characteristics of industrial products, structures, and materials through their life cycles are being improved by life-cycle assessment (LCA) of the International Organization for Standardization (ISO) 14000s. Although LCA needs further improvement, it is a potentially useful methodology for systematically analyzing a product from the extraction of resources to eventual abandonment, including reuse, recycling, or disposal in terms of energy, in most cases, and materials, emissions of hazardous substances, and wastes.The LCA approach is being used to clarify quantitatively the important role of steel and steel products in our society in terms of their abundant resources, economic availability in large quantities, workability, reliability, reasonable life-cycle cost, relatively low environmental burden, and recycling possibilities.Structural steel is expected to remain as one of most environmentally friendly materials available in the twentyfirst century. In addition, the recent life-cycle study of automobiles, houses, bridges and so on conducted by the Engineering Academy of Japan has demonstrated that 7085% of the energy consumption by these products throughout their life cycle occurs during service period, rather than during production or product assembly [1]. This observation indicates that materials performance, durability, and reliability are key considerations in the design of a product or a structure for its life-cycle energy efficiency. Figure 48.1 shows an example of the framework for the systematic assessment of materials performance, including (a) life-cycle cost (LCC) analysis, (b) life-cycle safety (LCS) design, (c) LCA for energy and materials, and (d) diagnosis of life prediction based on the operating mechanisms.Our living environments consist mainly of freshwater, seawater, the atmosphere, and soil. These four categories include the environments in which the majority of structural steel products and large structures are exposed. Corrosion mechanisms of structural steels and the dominant corrosion parameters in these environments are discussed in other chapters. In this chapter, carbon and low-alloy structural steels resistant to atmospheric corrosion (i.e., weathering steels) are discussed. Weathering steels have been widely accepted i...

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“…In order to improve the sustainable and reliable operation ability of industrial equipment, and reduce maintenance costs, researchers have proposed numerous and various maintenance methods since the 1940s [9,10]. The commonly used maintenance method in the early stage is corrective maintenance, which mainly arranges repair activities for failed equipment to restore its normal function [11].…”

Section: Introductionmentioning

confidence: 99%

A Review of Sustainable Maintenance Strategies for Single Component and Multicomponent Equipment

Zhao

Gao²,

Tang

2022

Sustainability

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Contemporary industrial equipment is increasingly developing towards complexity. In order to ensure the high reliability and sustainability of industrial equipment, more flexible maintenance strategies have attracted extensive attention. In view of this, this paper aims to summarize the current situation of existing maintenance strategies, so as to enable colleagues in the industry to choose or formulate more efficient maintenance strategies. Firstly, the characteristics, application potential and limitations of single component maintenance strategies, such as corrective maintenance, preventive maintenance and predictive maintenance, are described in detail from the perspective of maintenance time. On the basis of single component maintenance and the dependency between multiple components, the advantages and disadvantages of multicomponent maintenance strategies, such as batch maintenance, opportunity maintenance and group maintenance, are summarized, and suggestions for the future maintenance of industrial equipment are proposed. Based on this, industries can select the appropriate maintenance strategy according to their equipment characteristics, or improve their existing maintenance strategies based on actual needs.

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Systematic approaches toward minimum maintenance risk management methods for weathering steel infrastructures

Cited by 13 publications

References 8 publications

Experimental and numerical evaluation of bearing capacity of steel plate girder affected by end panel corrosion

Experimental and numerical evaluation of bearing capacity of steel plate girder affected by end panel corrosion

Weathering Steel

A Review of Sustainable Maintenance Strategies for Single Component and Multicomponent Equipment

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