scispace - formally typeset
Search or ask a question

What are the dynamic properties of cables used in network bridges? 

Frequency response
Normal mode
Seismic loading
Damping ratio
Bridge (interpersonal)
Best insight from top research papers

The dynamic properties of cables in network bridges are crucial for their design and operation. Studies have focused on factors like cable frequency equations, boundary conditions, stiffness, and damping to understand cable behavior. Analytical models have been developed to investigate the impact of cross-tie stiffness, damping, and main cable properties on network responses, aiding in enhancing stiffness and energy dissipation capacity. Additionally, research has delved into the in-plane and out-of-plane transverse vibrations of cable-stayed bridges, highlighting the influences of mass ratio, stiffness ratio, and cable sag on vibration modes. Seismic behavior studies have emphasized the importance of understanding nonlinearity sources like cable sag and axial-force-bending moment interactions for effective seismic response analysis in cable-stayed bridges.

Answers from top 5 papers

More filters
Papers (5)Insight
Journal Article•DOI
Dynamic Non - Linear Behaviour of Cable Stayed Bridges Under Seismic Loadings
Fayez K. Abdel Seed, Hamdy H. Ahmed, Shehata E. Abdel Raheem, Yasser Abdel Shafy 
01 Jan 2014
2 Citations
The dynamic properties of cables in cable-stayed bridges include sag, axial-force-bending moment interaction, and geometric changes due to seismic loads, analyzed through non-linear finite element methods.
Journal Article•DOI
Modeling, dynamics, and parametric studies of a multi-cable-stayed beam model
Yunyue Cong, Yunyue Cong, Houjun Kang, Guirong Grace Yan, Tieding Guo 
01 Dec 2020-Acta Mechanica
6 Citations
The dynamic properties of cables in cable-stayed bridges are influenced by mass ratio, stiffness ratio, and cable sag, affecting global, local, and coupled vibration modes in the system.
Open access
In-plane dynamic behaviour of conventional and hybrid cable network systems on cable-stayed bridges
Javaid Ahmad
01 Jan 2016
11 Citations
The dynamic properties of cables in network bridges include in-plane modal behavior, fundamental frequency, and local modes unaffected by cross-tie stiffness and damping.
Open access•Journal Article•DOI
Impact of Cross-Tie Properties on the Modal Behavior of Cable Networks on Cable-Stayed Bridges
Javaid Ahmad, Shaohong Cheng, Faouzi Ghrib 
17 Jun 2015-The Scientific World Journal
8 Citations
The dynamic properties of cables in network bridges are influenced by cross-tie stiffness, damping, and main cable damping, impacting in-plane stiffness and energy dissipation for effective vibration control.
Open access•Journal Article•DOI
Research on the Dynamic Characteristics of Cables Considering the Constraints at Both Ends of the Cables
Danhui Dan, Xiang Sheng Liao, Fei Han 
17 Feb 2022-Applied Sciences
2 Citations
The dynamic properties of cables in network bridges are determined by considering constraints at both ends, cable frequency equations, and boundary condition coefficients to analyze modal frequencies and ensure structural integrity.

Related Questions

What is dynamic mechanical analysis used for regarding polymer characterization and evaluation?5 answersDynamic Mechanical Analysis (DMA) is a powerful technique extensively utilized for polymer characterization and evaluation. DMA involves applying controlled stress or strain at varying frequencies to analyze a material's response, providing data on phase angle, complex modulus, viscosity, and damping. It is highly sensitive to polymer chain motions, making it ideal for detecting transitions in polymers, including glass transitions and other localized transitions not easily identified by other methods like Differential Scanning Calorimetry (DSC). DMA can rapidly scan a material's modulus and viscosity concerning temperature, strain, or frequency, making it a versatile tool for studying viscoelastic properties. Additionally, DMA is crucial for assessing interfacial interactions in filled polymers, influencing their bulk properties and performance in various applications.
What is the definition of a dynamic graph?4 answersA dynamic graph refers to a graph whose structure evolves over time, capturing changes in connections between vertices asynchronously. These graphs integrate both topological and temporal information, enabling efficient modeling of various dynamic systems like social networks, recommender systems, and traffic forecasting. To represent dynamic graphs effectively, temporal edge sequences associated with joining time of vertices and timespan of edges are utilized, with innovative approaches like time-aware Transformers for embedding dynamic connections and time-sensitive information. The evolving nature of dynamic graphs poses challenges that necessitate advanced algorithms and models for real-time optimization solutions in diverse fields such as logistics, finance, and healthcare.
What is dynamic modulus of elasticity in concrete?4 answersThe dynamic modulus of elasticity in concrete refers to the material's ability to deform under dynamic loading conditions. It is a crucial parameter for structural design and analysis. Experimental studies have been conducted to determine the dynamic modulus of elasticity in concrete, utilizing non-destructive methods such as ultrasonic pulse velocity and pulse echo tests. These studies involved measuring the velocities of P-longitudinal and S-transverse waves to calculate the dynamic Poisson's ratio and modulus of elasticity. The accuracy of predicting the dynamic modulus of elasticity has been assessed through numerical simulations and acoustic tests, considering factors like water-cement ratios and phase properties. Overall, understanding and accurately determining the dynamic modulus of elasticity in concrete are essential for ensuring structural integrity and performance.
What materials are bridges made of in the world?5 answersBridges around the world are constructed using a variety of materials. Common materials include reinforced and prestressed concrete, which are crucial for strengthening, repairing, and designing novel bridge projects. Polymer composites have also gained popularity in bridge construction globally, offering lightweight and durable solutions for transportation infrastructure. Timber, specifically glued-laminated timber, is utilized in modern footbridges due to its low sensitivity to vibrations and high damping properties, providing comfort for pedestrians. Fiber-reinforced polymer (FRP) composites are increasingly used in bridge construction, offering benefits such as design flexibility, fast erection in inaccessible areas, and durability for various bridge applications, including rebars in concrete, bridge repair, and new all-FRP composite bridges.
What are bridges?4 answersBridges are structures designed to connect and allow people and vehicles to cross obstacles such as watercourses, valleys, railways, or roads. They can be found on state roads in the Republic of Serbia, where research has been conducted to analyze their safety and the types of road crashes that occur in the bridge zone. In the field of biomolecular simulations, BRIDGE is an open-source web platform that provides an environment for designing reliable methods for conducting molecular simulations. It hosts computational chemistry tools and allows large-scale computations to be performed collaboratively using shared protocols and workflows. Additionally, Bridges is a software system designed to support composition and performance for networked musical ensembles, facilitating dynamic connections between devices and applications in the context of music.
How do you analyze a cable-stayed bridge?5 answersAnalyzing a cable-stayed bridge involves several steps. First, the structural responses of the bridge are analyzed using a limited amount of displacement, slope, and strain data. This allows for the estimation of the deformed shape and member internal forces.Experimental and analytical studies are then conducted to investigate the ultimate behavior of the bridge. Plastic hinges and buckling along the entire span are observed at the limit state. Numerical analysis is performed to validate the results obtained from the experimental model.Safety assessment of the stay cables is also an important aspect of analyzing cable-stayed bridges. A comparative study is conducted to evaluate the safety factors of stay cables under different conditions such as fatigue, ultimate limit states, overloading, cable loss, and corrosion.Additionally, an optimal design is achieved by considering the complexity of the structural behavior during construction and thereafter. Finite-element modeling is used to obtain precise figures of the straining actions and design demands.Finally, a simple calculation method based on integral calculus is used to determine the quantity of cables and the cost-optimized cable and tower topology in the early design stages.

See what other people are reading

What are the mais research questions on entrepreneurship?
4 answers
Research on entrepreneurship delves into various key questions. Scholars explore why individuals opt for entrepreneurship over employment, the factors influencing this decision, and the economic models guiding career choices. Additionally, studies focus on identifying entrepreneurial entities based on characteristics like innovation implementation, market strategy, and long-term revenue goals. Entrepreneurship is seen as a vital bridge between scientific innovation and market implementation, fostering the creation of new businesses and products. Moreover, entrepreneurship is viewed as an experimental process, where success probabilities are low and uncertain until investment decisions are made, impacting organizational forms and innovation trajectories. These diverse research avenues collectively contribute to a deeper understanding of the multifaceted nature of entrepreneurship.How does practical research contribute to the advancement of knowledge and innovation?
5 answers
Practical research plays a crucial role in advancing knowledge and fostering innovation by bridging the gap between theory and real-world application. It enables researchers to address practical challenges, identify actionable knowledge, and evaluate the effectiveness of initiatives. This type of research, such as Interventionist Research (IVR), not only contributes to the enhancement of practice and theory but also facilitates collaboration between academics and practitioners in various fields, including public sector research. By engaging in practical research, professionals in disciplines like healthcare and nursing can generate evidence for excellence in care delivery, improve patient outcomes, and elevate their roles as contributors to scientific advancements. Furthermore, practical studio-based work in art and design is recognized as a form of research activity, contributing to the advancement of knowledge in these fields.What are the potential benefits and challenges of incorporating cultural considerations into training programs for Latino managers?
10 answers
Incorporating cultural considerations into training programs for Latino managers presents a multifaceted approach to enhancing workplace dynamics, leadership effectiveness, and organizational performance. The potential benefits of such culturally attuned training programs include improved communication and interpersonal skills, which are critical in managing diverse teams and conducting business in a global marketplace. By understanding and respecting cultural differences, managers can foster a more inclusive environment that values diversity, leading to increased employee satisfaction and reduced turnover. Furthermore, culturally sensitive training can enhance the engagement and participation of Latino populations in organizational and community initiatives, thereby improving outcomes in areas such as emergency preparedness and health. However, the challenges of integrating cultural considerations into training programs are significant. One primary challenge is the risk of stereotyping or oversimplifying the rich and diverse cultures within the Latino community. This diversity requires training programs to be highly adaptable and sensitive to the nuances of different cultural backgrounds. Additionally, there is the challenge of language barriers and ensuring that training materials and delivery are accessible to both English and Spanish speakers, which is crucial for effective learning and engagement. The lack of culturally adapted training materials and programs specifically designed for Latinos can also contribute to low engagement and effectiveness, highlighting the need for more tailored approaches. Moreover, the implementation of culturally sensitive training programs requires a deep understanding of cultural values and diversity, which can be challenging for trainers who may not share the same cultural background or experiences as their Latino trainees. This necessitates active recruitment and training of Hispanics into roles where they can contribute to the development and delivery of culturally and linguistically appropriate training. Finally, addressing the structural and systemic challenges within organizations and industries to support these initiatives is crucial for their success. In conclusion, while incorporating cultural considerations into training programs for Latino managers offers significant benefits in terms of improved communication, engagement, and inclusivity, it also presents challenges related to cultural diversity, language barriers, and the need for tailored training approaches. Overcoming these challenges requires a committed, nuanced, and inclusive approach to training program development and implementation.What is the objectives of alternative delivery mode?
5 answers
The objectives of alternative delivery modes (ADMs) vary across different sectors. In the educational sector, ADM aims to provide access to education through flexible methods like modular learning. In the logistics sector, ADM seeks to enhance efficiency by offering various delivery options like parcel lockers and pickup stations to reduce costs and optimize routes. For infrastructure projects like bridge construction, ADM facilitates quicker project completion, cost savings, and increased safety by allowing for innovative construction methods and technologies. Additionally, in the context of slow diffusion of alternative delivery systems (ADSs), the objective is to identify internal and external factors influencing their uptake to improve their practical application. Overall, the objectives of ADM encompass enhancing accessibility, efficiency, innovation, and cost-effectiveness across different domains.How can the term 'principle' be defined?
5 answers
The term 'principle' can be defined as a fundamental starting point or rule that guides various disciplines. In the context of Aristotle, principles serve as the foundation for knowledge and action, whether in theoretical or practical realms. Principles are seen as essential elements that bridge theory and practice, providing guidance and structure for decision-making and problem-solving. They can be perceived as both rules and starting points, with significance in science and philosophy, representing fundamental experiences and methodological thinking. In legal contexts, principles are crucial for interpreting rules and ensuring justice, with distinctions made between principles and rules to resolve conflicts effectively. Moreover, in the field of labor law, principles play a vital role in shaping legal regulations and forming the basis for legislation, highlighting the importance of their proper implementation and continuous improvement.What are the factors that contribute to the rationale of national Muslims attending mixed cultural schools?
5 answers
National Muslims attending mixed cultural schools are influenced by various factors. Firstly, multicultural education in Islamic institutions emphasizes respect for diverse beliefs and cultures, fostering a sense of unity amidst differences. Secondly, the management of religious tolerance in multicultural-based Islamic education promotes harmony among students of varying backgrounds, instilling values of respect and understanding. Additionally, multicultural education acts as a bridge in the globalization era, aiming to create an inclusive educational environment that values cultural diversity and equality. Lastly, in pluralistic societies, attending mixed cultural schools can help mitigate social discrimination and conflicts, promoting peaceful coexistence among diverse religious and ethnic groups. These factors collectively contribute to the rationale for national Muslims to attend mixed cultural schools.Rationale of national Muslims attending mixed cultural schools?
5 answers
The rationale for national Muslims attending mixed cultural schools lies in fostering peace, respect for diversity, and enhancing socio-religious cohesion. Multicultural education in Islamic settings emphasizes unity, knowledge integration, and spiritual growth, aiming to instill values of tolerance and understanding among students. By embracing multicultural approaches, these schools promote inclusivity, open-mindedness, and appreciation for diverse backgrounds, which are essential in a pluralistic society. Such educational models not only contribute to the development of students' intellect and attitudes but also serve as a bridge to harmonize different cultural groups, reduce conflicts, and build a cohesive national identity. Ultimately, attending mixed cultural schools enables national Muslims to navigate globalization challenges, uphold peace, and celebrate the richness of cultural diversity.How can fine sands absorb resonance vibration?
4 answers
Fine sands can absorb resonance vibration through various methods. One approach involves using the cross-vibration wing resonance method, which forms a vertical drainage tube during vibration compaction, leading to improved sand layers with reduced excess pore water pressure. Another method is by incorporating synthetic fibers like polypropylene into fine sand, which enhances its engineering properties and reduces the amplitude of vibration for damping ratios of 0–0.15, thus supporting vibrating bases effectively. Additionally, a fine sand-graphene oxide composite absorbing material has been developed for sewage treatment, where graphene oxide coating on fine sand significantly enhances its sewage absorbing capability. Understanding the effect of saturation levels on the damping ratio of sands is also crucial, as the optimum degree of saturation influences the damping ratio, especially for fine sands.What can structural vibrations cause?
5 answers
Structural vibrations can lead to various issues such as discomfort to occupants, damage to infrastructure, and loss of public confidence in safety. Human-induced vibrations, whether from activities like walking or external sources like earthquakes, can cause excessive vibrations in structures, affecting their serviceability and safety. Vibrations induced by human activities can result in resonant responses in buildings, footbridges, and stadiums, leading to potential structural damage and the need for retrofitting. Additionally, external sources like seismic loads and construction activities can also generate vibrations that impact structures, especially historical buildings which are more susceptible to damage due to their age and construction methods. Therefore, understanding and mitigating structural vibrations are crucial for ensuring the longevity and safety of various types of structures.What is the dynamic force transfer path for a suspended ceding during earthquakes or shake table test?
4 answers
During earthquakes or shake table tests, the dynamic force transfer path for a suspended ceiling involves various factors. The installation of seismic perimeter clips can enhance the dynamic performance of suspended ceiling systems. Additionally, the use of dampers in suspended structures can adjust the damping ratio and frequency, leading to reduced relative displacements and improved seismic energy dissipation. Furthermore, the integrity and seismic performance of discontinuous suspended ceiling systems have been studied, highlighting their good performance and proposing seismic construction measures for crucial industrial buildings. Suspended mass structures under coupled horizontal and tilting ground motions show that the tilting ground motion significantly influences the seismic response, emphasizing the importance of considering both horizontal and tilting motions in structural design.What factors influence the vibration levels in timber, concrete, and steel structures?
4 answers
Various factors influence vibration levels in timber, concrete, and steel structures. For timber floors, the addition of steel aims to achieve longer spans but still faces challenges with vibration, with a 1 kN deflection limit being a common criterion for lightweight composite floors. Human-induced vibrations, seismic loads, and wind-induced vibrations affect structures differently. Human activities like walking, jumping, and sitting can lead to excessive vibrations in structures, requiring mitigation strategies like dampers. In timber buildings, dynamic responses to wind loads become crucial due to their low mass and flexible connections, especially in tall structures like the 14-storey Treet building in Bergen, Norway. Understanding these factors is essential for designing structures that meet serviceability requirements and ensure occupant comfort and safety.