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CELE Geotechnical EngineeringCompactionSlides

Compaction slides, sized for screen and print. Flip through them for a five-minute pre-mock refresh, or print the deck for on-paper annotation. Either way, the slides cover Compaction at the depth Professional Regulation Commission (PRC) — Board of Civil Engineering tests for the CELE 2026.

Exam context

For the Civil Engineer Licensure Examination, Professional Regulation Commission (PRC) — Board of Civil Engineering tests Geotechnical Engineering under a "Core" label, with Compaction in the 5th slot across 11 chapters. CELE candidates must clear the 70% weighted average, no sub-test below 50% cut on the 2026 paper, which draws about a meaningful share of Geotechnical Engineering questions. Date to watch: May and November 2026.

Compaction - Slides

Slides

Compaction: Definition and Purpose

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S1

The Proctor Test: Overview

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S2

Standard Proctor vs. Modified Proctor

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S3

Dry Unit Weight: Fundamental Formula

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S4

Worked Example 1: Calculating Dry Unit Weight

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S5

Relative Compaction (RC): Definition and Calculation

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S6

Worked Example 2: Relative Compaction

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S7

The Zero-Air-Voids (ZAV) Line

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S8

Worked Example 3: Zero-Air-Voids Calculation

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S9

Compaction Curve: The Complete Picture

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S10

Wet-of-Optimum vs. Dry-of-Optimum Compaction

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S11

Relative Density vs. Relative Compaction

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S12

Field Compaction Testing Methods

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S13

Common Compaction Pitfalls and Troubleshooting

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S14

NSCP 2015 and DPWH Compaction Requirements

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S15

Compaction in Practice: Road Construction Case Study

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S16

Key Formulas Summary

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S17

Board Exam Problem Types: Recognition and Approach

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S18

Chapter Summary: Key Takeaways

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S19

Stored In

chapter_slides

Slide Count

19

Summary Only

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