Plastic moment is a crucial concept in structural engineering and architecture that refers to the maximum amount of external force that a structure can support while still remaining structurally sound. It is a calculated value that is determined by various structural design parameters such as material properties, size, shape, and loading conditions. When the load exceeds the carrying capacity of a specific structural element, a plastic hinge is created, and the moment of this hinge is used to determine the plastic moment. The plastic moment is an essential factor to consider when designing and constructing structural elements and buildings. It is used to calculate how much force a material can withstand without permanently deforming, which is determined by the material's resistance to deformation, including elasticity, yield strength, and stiffness. This knowledge is used to design structures and products that are capable of withstanding a certain amount of stress and force. In addition to its importance in structural design, the concept of plastic moment is also relevant in the study of material science. It is used to determine the maximum amount of stress that a material can withstand before it undergoes plastic deformation. This is a critical factor in the design of products and components that are subjected to high loads and forces. Overall, the plastic moment is a fundamental concept in both structural engineering and material science. It plays a crucial role in the design and construction of safe, durable, and reliable structures and products that can withstand the forces and stresses they are subjected to.
Structural engineering, Architecture, Material science, Plastic hinge, Deformation
CITATION : "Andrew Moore. 'Plastic Moment.' Design+Encyclopedia. https://design-encyclopedia.com/?E=313216 (Accessed on July 18, 2025)"
Plastic moment is a type of phenomenon that occurs when a material is subjected to an external force. The external force causes the material to deform and consequently, it experiences an internal stress that resists the change in shape. In design, plastic moment is used to calculate how much force a material can withstand without permanently deforming. The plastic moment is determined by the amount of material’s resistance to deformation, which is determined by its material properties such as elasticity, yield strength, and stiffness. This knowledge is used to design structures and products that are capable of withstanding a certain amount of stress and force.
Material properties, deformation, elasticity, yield strength, stiffness.
Plastic Moment is a concept within structural engineering and architecture. It is the maximum amount of external force that a structure can support while still remaining structurally sound. This moment can be found by taking the moment of a plastic hinge that is created when the load exceeds the carrying capacity of a specific structural element. The plastic moment is a calculated value and is determined by the structural design parameters such as material properties, size, shape and loading conditions. It is an important factor to consider when designing and constructing structural elements and buildings.
Related structural engineering, plastic hinges, structural load capacity.
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