This guideline refers to expansion joints with a diameter of 300mm or more. It will check the condition of large-capacity expansion joint, detect abnormal behavior and damage early, take appropriate measures such as repair and replacement, and secure user's safety and smooth traffic flow. And to provide the basic data necessary for the maintenance work of the management subject to be carried out for the purpose of To this end, we investigated and analyzed the existing joint damage, repair and replacement cases, suggested proper repair and replacement methods and preventive maintenance plan.

Abstract
 1. 서 론
 2. 대용량 신축이음 종류 및 특성
 3. 대용량 유지관리 요령의 개요
 참고문헌

• 주봉철(한국건설기술연구원 구조융합연구소) | Joo, Bong Chul 교신저자
• 김정호(한국건설기술연구원 구조융합연구소) | Kim, Jung Ho
• 진효준(한국건설기술연구원 구조융합연구소) | Jin, Hyo Jun
• 윤정현((주)스펙엔지니어링) | Yun, Jung Hyun