Engineering Maximize Structural Stability with Fixed Beams to Their Application"

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Built-in (encastre) beams are fixed to a flat surface, providing high resistance to both horizontal and vertical forces while preventing free rotation at the ends. This design allows maximum bending moments to be transferred to the supports, making these beams ideal for high-elevation structures that require significant force resistance. The structural stability offered by built-in beams is crucial for ensuring safety and durability in construction. Resources like Wikipedia and The Constructor provide further insights into cantilever beams and their applications. Understanding the properties of built-in beams is essential for effective structural engineering.
lee123456789
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Write about beam appliactions
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Hi

Ive write about beams and on last one having bit of trouble finding stuff. Has anybody know where built in (encastre) beams are used.

Ive write so far

build in beams are beams that are fixed to a flat plane surface. Fixation provide high resistance to force applied (horzontial and vertial) to the beam and provents free rotation in the the beam ends. max bending moments are deflected to the supports. Due to these properties this alows the beam to be idea for high elevation builds due to the greater force required for the beams to resist.
 
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Please, see:
https://en.m.wikipedia.org/wiki/Cantilever

https://theconstructor.org/structural-engg/cantilever-beams/167474/

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Thread 'Why wasn’t gravity included in the potential energy for this problem?'

Thread 'Why wasn’t gravity included in the potential energy for this problem?'

I’m looking at the attached vibration problem. The solution in the manual includes the spring potential energy but does NOT include the gravitational potential energy of the hanging mass. Can someone explain why gravitational potential energy is not included when deriving the equation of motion? I tried asking ChatGPT but kept going in circles and couldn't figure out. Thanks!
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