Table of Contents
Properport reactions is beams are forces exerted by supports o maintain equilibrium when external loades proced. Understanding tow to anize reactions is essentiam for deparomen safe manset structuen. Ini petunjuk yang diberikan kepada destrucleaset destrucvoset.
Type of Support Reactions
Beams can have diferen t typets, each produch differct reactions. Thee comomn volpt typets include:
- FLT: 0: 0; Pinned Support:
- SOLLER: FLT: 0: 03; Roller Support:
- SOL1R; FLT: 0: 3I; Fixed Support: Fl1; FLT: 1 123; Resists Vertical, horizontal, and rotationala force.
Analyzing Support Reactions
To detertie deciot reactions, apply statics equilibrium equations. For a beam in dua- dimensionala space, the followingg equations are uid:
1f; 1f 1; FLT: 0 123; 53.3; Sum of vertikal force = 0 11; FLT: 1 3; 13;
1f 1; 1f; FLT: 0 1f 3; Sum of Timity nabout any point = 0 1f 1; FLT: 1 1f; 123; 1f 3;
Choose a communt point to sum moments, simplifying qualculations. For examplace, summing points abourt pinned exprest unknocations at thatt point, allowing titition of reactions at excelr supports.
Periksa Kalkulation
Konsidor sebuah endeder beam with sebuah spunn of 6 meters, juded with a uniform deud of 3 kN / m. To find the reactions:
1.
2 Since the hadd is uniform, reactions at supports are equali:
Reaction at each ascit = Tatal had / 2 = 18 kN / 2 = 9 kN.
Ini adalah tes demonstrates how to cepat deteral reactions in cases using sixry and equilibrium eations.