Bridge Elements and Materials

Hurt, Mark; Schrock, Steven D

doi:10.1016/b978-0-12-802069-2.00002-7

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…A bridge management system (BMS) is considered one of the best tools used to monitor bridge activities and the health condition of the bridges. It is a process to help in making decisions regarding the maintenance, rehabilitation, and replacement of bridges in the most efficient approach [1,2].…”

Section: Bridge Management Systemsmentioning

confidence: 99%

Identifying the Factors Impacting Bridge Deterioration in the Gulf Cooperation Council

Al-Rashed,

Abdelfatah,

Yehia

2023

Designs

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The deterioration module (DM) is one of the four major modules necessary for any bridge management system (BMS). Environmental conditions, structural systems, bridge configuration, geographic location, and traffic data are some of the major factors that affect the development of deterioration modules. This emphasizes the need for the development of deterioration models that reflect the local conditions. In this article, some of the most important factors that could help in developing deterioration models in the Gulf Cooperation Council (GCC) were identified. The research was conducted in three phases; in the first phase, an extensive literature search was conducted to identify factors adopted in different deterioration models, and in phase two, the most relevant factors to the GCC environment were selected and these factors were further reduced based on input from local bridge experts. The result from the second phase is a list of factors identified by the experts. The identified list was utilized in phase three, which was focused on conducting a survey targeting bridge engineers to help identify the final selection and rank the factors according to their importance level. The results indicate that steel reinforcement protection, design load, chloride attack, type of defect, and age are the most important factors impacting bridge deterioration in the GCC. In addition, the time of rehabilitation; average daily truck traffic, ADTT; and average daily traffic, ADT, are the second most important factors. Factors with medium importance level are deck protection, services under the bridge, and inspection gap. The least important set of factors include temperature and wind load.

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Section: Bridge Management Systemsmentioning

confidence: 99%

Identifying the Factors Impacting Bridge Deterioration in the Gulf Cooperation Council

Al-Rashed,

Abdelfatah,

Yehia

2023

Designs

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“…The impact resistance value will be equal to the quotient of dividing the impact energy absorbed in the facture by the cross-sectional area of the testing sample. The test consists of breaking a standardized testing sample, supported at two points break by means of the oscillation of a pendulum, so that the pendulum hits the central part of the tested sample [247]. In Fig.…”

Section: Iii333 Charpy Impact Resistancementioning

confidence: 99%

Desarrollo de formulaciones de ácido poliláctico (PLA) basadas en la incorporación de derivados de la colofonia

Ramírez¹

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El processament dels materials es va realitzar per incorporació directa dels derivats de colofònia, mitjançant extrusió. A continuació, les mescles extruides van ser triturades en forma de gransa o pèl•let, per a posteriorment produir provetes normalitzades d'assaig mitjançant injecció per emotlament, les quals es van utilitzar en la caracterització.Primer estudi. Pertanyent al primer grup, sobre ús de resines de colofònia i un derivat comú (tots dos de baix pes molecular). En aquest cas es va avaluar la pròpia resina de colofònia (GR) i un derivat comú, el qual consisteix en un pentaeritritol èster de colofònia (PEGR), obtingut mitjançant esterificació dels grups carboxílics dels àcids de la colofònia amb alcohol pentaeritritol. Les anàlisis d'aquest estudi es van enfocar en l'avaluació del comportament mecànic de les formulacions, així com l'avaluació de la influència de les propietats hidrofòbiques de les resines sobre la cinètica d'absorció d'aigua de l'àcid polilàctic. A més a més, es va analitzar Futerro China 100 Planning of blinding new production facility in France, with 75 KT capacity. Current technical analysis in 2023 Evonik Germany 40 Introduction of bioresorbable PLA-PEG triblock copolymers for medical devices Shanghai TONGJIELIANG China 40 Introduction of PLA spunlaced nonwoven. Mostly use in disposable medical supplies and anti-dust insulation cloth Synbra Technology Netherlands 10 Introduction of BioFoam PLA-based

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Bridge Elements and Materials

Cited by 2 publications

References 2 publications

Identifying the Factors Impacting Bridge Deterioration in the Gulf Cooperation Council

Identifying the Factors Impacting Bridge Deterioration in the Gulf Cooperation Council

Desarrollo de formulaciones de ácido poliláctico (PLA) basadas en la incorporación de derivados de la colofonia

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