"door lintel" 的定义和意义

What is a "door lintel"?

A door lintel is a horizontal support beam placed above a door opening. It is designed to bear the weight of the wall or structure above the door, helping to distribute that weight evenly. Door lintels can be made from various materials, such as wood, metal, or concrete, depending on the building's design and requirements. They play a crucial role in maintaining the stability and safety of the doorway, ensuring that the door can operate smoothly without collapsing or shifting. Additionally, door lintels can enhance the overall appearance of the entrance.