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Design of Reinforced Concrete Walls in Civil Protective Facility according to Blast Design Code

방폭설계기준에 따른 철근콘크리트 벽식 방호시설의 설계

Sung-Hyun Kim1*
,
Su-Min Kang2
김 성현1*
,
강 수민2
1Post-doc, School of Architecture, Soongsil University, Seoul, 06978, Rep. of Korea
2Associate Professor, School of Architecture, Soongsil University, Seoul, 06978, Rep. of Korea
1숭실대학교 건축학부 박사후연구원
2숭실대학교 건축학부 부교수
*Corresponding Author
13 May 2025. pp. 103-110
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Abstract

This study introduced a design example of a reinforced concrete walls in civil protective facility. The target structure was a box shaped single-story wall structure. Addressing the civil facility, the blast load was calculated assuming a long-distance explosion of 15 m. The equivalent static blast pressure was calculated by considering the natural period corresponding to the local vibration mode of the wall. The the required forces of the walls by the explosion was evaluated based on the linear elastic analysis. Based on the structural analysis results, the wall was designed according to the design standards for blast-proof structures of the Korean Protective Facility Institutes (KPFI). Based on the design results, a design recommendation to secure safety and economy of RC protective facilities was discussed.

Keywords
Civil protective facility
Blast-proof design
RC walls
Equivalent static blast pressure
Linear analysis

본 논문에서는 철근콘크리트 벽식 민간 방호시설의 설계 예제를 소개하였다. 대상 구조물은 단층의 벽식 구조 방호시설로서, 민간 시설임을 고려하여 폭발 거리 15 m의 원거리 폭발을 가정하여 폭발하중을 산정하였다. 벽체의 국부 진동 모드에 해당하는 고유주기를 고려하여 등가정적폭압을 산정하고, 선형 탄성해석을 바탕으로 폭발에 의한 벽체의 요구하중을 평가하였다. 구조해석결과에 기반하여 한국방호시설학회의 방폭시설설계기준에 따라 벽체를 설계하였다. 설계결과를 바탕으로 RC 벽식 방호시설의 안전성과 경제성을 동시에 확보하기 위한 방안을 논의하였다.

키워드
민간방호시설
방폭설계
철근콘크리트 벽체
등가정적폭압
선형탄성해석
References
1

DMFC 2-20-00 (2022) Design Criteria for Military Protection Facilities. Seoul: Ministry of National Defense. (In Korean)

2

DMFC 2-20-10 (2022) Design Criteria for Blast and Bullet Proof Facility. Seoul: Ministry of National Defense. (In Korean)

3

KDS 14 20 20 (2021) Design Code for Flexure and Compression of Concrete Structures. Seoul: Ministry of Land, Infrastructure, and Transport of Korea. (in Korean)

4

KDS 14 20 22 (2021) Design Code for Shear and Torsion of Concrete Structures. Seoul: Ministry of Land, Infrastructure, and Transport of Korea. (in Korean)

5

KPFI (2025a) Design Standards for Blast-Proof Structures. Seoul: Korean Protective Facility Institute. (In Korean)

6

KPFI (2025b) Standards for Protective Structures. Seoul: Korean Protective Facility Institute. (In Korean)

7

U.S. Department of Defense (U.S. DoD) (2013) UFC 3-340-02 Structures to Resist the Effects of Accidental Explosions. Arlington: U.S. Department of Defense.

Information
  • Publisher :Korea Protective Facility Institute
  • Publisher(Ko) :한국방호시설학회
  • Journal Title :Protective Facility
  • Journal Title(Ko) :방호시설
  • Volume : 2
  • No :2
  • Pages :103-110
  • Received Date : 2025-04-07
  • Accepted Date : 2025-04-14
  • DOI :https://doi.org/10.23310/PF.2025.2.2.103
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