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Cracking Concrete Surfaces.pdf

04pr.pdf

🔗 Source: nrmca.org

📊 Size: 486 KB

👤 Author: sdickens

⬇️ Downloads: 175

Summary

Concrete cracks due to contraction and expansion from moisture and temperature changes, and deflects depending on load and support conditions. Common forms of cracks include plastic shrinkage cracks, cracks from improper jointing, continuous external restraint, lack of isolation joints, D-cracks from freezing and thawing, craze cracks, and settlement cracks. Most random cracks that appear at an early age rarely affect structural integrity or service life, but exceptions include D-cracks and cracking from alkali aggregate reactions. Concrete surfaces crack due to improper design and construction practices, such as omission of isolation and contraction joints, improper subgrade preparation, and inadequate curing. To prevent or minimize cracking, follow basic concreting practices, including proper subgrade and formwork preparation, using moderate slump concrete, proper finishing, curing, and jointing techniques, and providing sufficient concrete cover for reinforcement.

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Description

Concrete cracks due to contraction and expansion from moisture and temperature changes, and deflects depending on load and support conditions.

Technical Information

File Format: PDF
File Size: 486 KB
Pages: 2
Language: EN
Author: sdickens
Total Downloads: 175
Last Updated: 7 days ago

Document Overview

This PDF document about Cracking Concrete Surfaces provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into Cracking Concrete Surfaces.