ARCH&UD 431Structures I
Architecture and Urban Design · 4 units · Graduate professional courses (400-499)
Introduction to structural behavior and structural statics. Operations with forces and factors, both algebraically and graphically. Equilibrium of force systems; polygon of forces and funicular polygon. Internal actions; axial force and bending moment. Reactions, stability, and statical determinacy. Determinate frames. Plane trusses; analysis and design.
S/U or letter grading.
When it runs
- Fall 2025
- Fall 2026
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Preparation: basic algebra, geometry, trigonometry.
BruinTree reads · Preparation
needs reviewconfidence 0.00 · from textBruinTree could not read this requirement — see UCLA’s wording above.
- · could not read "basic algebra" (no course number found)
- · could not read "geometry" (no course number found)
- · could not read "trigonometry" (no course number found)
- · no course reference could be read from this requisite
Requires
Everything that has to come before this course, not just the courses named in the requisite above.
Nothing — this is an entry point.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
ARCH&UD 431
- ARCH&UD 432Structures II
- ARCH&UD 433Structures III
1 course lists this as a requisite. The whole downstream is here — 2 courses over 2 levels. Every course here opens its own tree.