This page presents an excerpt of the research material, providing a comprehensive overview of the study. It includes the Preliminary Pages, Table of Contents, Abstract, Chapters One to Five, and References, making it accessible and informative for students, researchers, and other readers interested in the topic of this study. Acknowledgement is also included, expressing gratitude to the individuals, institutions, and resources that contributed to the successful completion of the research, with materials and information sourced from the online platform sparklyn.com.ng, which provided valuable academic support.
Bridge structure is structural element which is constructed by means of concrete ingredients in salty water which can easily corrosion in bridge which result is reducing strength due to corrosion of reinforcement in order to prevent and overcome the damage by increasing the concrete cover and concrete quality requirements and prevent the corrosion. The study was carried out to investigate the estimate of marine salt behavior around the bridge structures. In achieving this aim, the following specific objectives were laid out to evaluate the cost analysis of bridge structure mix design, investigate the factors instigating marine salt behavior during bridge structure development and examine the marine salt behavior inhibiting the construction of bridge structures. The development of chloride penetration models is essential for the assessment of the service life of concrete structures exposed to marine environment. The experimental study where the parameters used in the penetration Fick’s 2nd law of diffusion model where calibrated to allow the prediction of long term chloride content in concrete. The results showed that the concrete cover and concrete quality requirements stated in the present codes need to be increased so that an acceptable service life can be achieved. In conclusion this study will be of immense benefit to researchers who intend to know more on this study and can also be used by non-researchers to build more on their research work.
1.1 Introduction
Bridge structure is structural element which is constructed by means of concrete ingredients in salty water which can easily corrosion in bridge which result is reducing strength due to corrosion of reinforcement in order to prevent and overcome the damage by increasing the concrete cover and concrete quality requirements and prevent the corrosion. In marine environment, the service life of reinforced concrete structures depends mainly on deterioration due to reinforcement corrosion. Two stages can be considered in this mechanism; the initiation period corresponding to the critical chloride penetration up to the level of reinforcement and the propagation period related to the reinforcement corrosion and its detrimental effects on the structure. Service life prediction is becoming one of the major tasks in the design of concrete structures.
As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Limitations of the Study and Definition of technical terms.
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This chapter focuses on the review of related literature. A literature review presents current knowledge, as well as theoretical and methodological contributions, related to Estimate of Marine Salt Behavior around the Bridge Structures. It documents the state of the art on the subject under study and provides a comprehensive survey of existing literature. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …
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