Composite Structures & Assessment

Composite Structures

 

– Composite bridges with full-depth precast decks
– Hybrid girder bridges
– Double composite bridges
– Steel-embedded composite bridges
– Composite slab

Shear connection


 

– Stud shear connection
– Group stud connectors
– Composite actions between different materials
– Connection with HPM

Composite column


 

– Steel embedded composite column
– Modular composite column
– Modular pier cap

Assessment of Existing Structures


Assessment of structures with corrosion defects

 

Related research projects & publications


Research Project

2017~  중소 노후교량 장수명화 요소기술 실증 및 최적화 연구 

2010~2015 직선교량의 공사기간 단축을 위한 표준모듈 활용 조립식 교량 기술개발 (Modular Bridge : Bridge piers with CFT modules)

2011~2014 성능기반 강-콘크리트 설계기준 개발 (Development of design codes on steel-concrete composite structures)


2012. 강합성 바닥판 설계 및 시공지침 개발 (Development of Design and Construction Guidelines for


Steel-Concrete Composite decks)


2011. 성능기반 강-콘크리트 합성구조 설계기준 개발


(Performance based Design Codes on Steel-concrete composite structures)


2010. 강교량 연속교 부모멘트부 이중합성 기술개발


(Development of Double composite connection for Continuous composite bridges)


2007.  Planning of Super long-span Bridges


2007. 조립식 충전강관 합성부재를 이용한 신형식 교량 공법 개발 연구


2007. Development of New-bridge system using Prefabricated CFT Composite Members


2005. Development of Precast Prestressed Bridge Piers


2005. Development of Mid-span Bridge Structures for Innovative Construction


“Development of Connection between Steel Diagonal members and Concrete Slab”


2005. 강합성 2주형 고속철도 교량의 구조해석 및 상세 개발


2004. Structural Analysis and Detail Development of Twin-girder High-speed Railway Bridges


2004. Evaluation of Structural Performance of Preflex Beams using TMC570


2004. System Identification 및 음향 방출기술을 이용한 교량구조물의 진단기술개발


2003. Korea Bridge Design and Engineering Center “Development of Composite Bridge Piers”


2003. Analytical Research on Large Studs for Composite Bridges


2003. Development of Design and Construction Management System for Cable-Stayed Bridges


2003. 교량용 장수명 합리화 바닥판 개발(Ⅱ)


2003. 강합성교 전단연결부 해석


2002. 교량용 장수명 합리화 바닥판 개발(Ⅰ)


2002. I-grating Composite Slabs


2000. Application of Precast Concrete Decks to Continuous Open Steel-Box Girder


2000. Analytical Studies on PSC Box Bridges with Corrugated Steel Web


2000. Evaluation of Composite Connection between Steel File and Footing

Related research projects & publications


 

Journal papers

2016 Experiments on Flexural Strength on Composite Modular Pier Cap for CFT columns, KSCE Journal of Civil Engineering, (2016)   20(6):2483-2491. DOI 10.1007/s12205-015-1467-9

2016, Analytical evaluation of a modular CFT bridge pier according to directivity. Steel and Composite Structures, 20(6): 1193-1203. DOI: 10.12989/scs.2016.20.6.1193

2016, Cyclic and static behaviors of CFT modular bridge pier with enhanced bracings. Steel and Composite Structures, 20(6): 1221-1236  http://dx.doi.org/10.12989/scs.2016.20.6.1221

2015, Structural Behavior of a Continuous Composite Truss with a Composite Lower Chord, Journal of Constructional Steel Research, 105(1),   2015: 1-11. http://dx.doi.org/10.1016/j.jcsr.2014.11.001

2014, “Stress Concentration Factors of N-joints of Concrete-filled Tubes Subjected to Axial Loads”, International Journal of Steel Structures, 14(1); 1-11. DOI 10.1007/s13296-014-1001-9

2014, “Performance of stud clusters in precast bridge decks”, The Baltic Journal of Road and Bridge Engineering, 9(1), 2014: 43-51. doi:10.3846/bjrbe.2014.06

2012. “Shake Table Tests of Steel Embedded Composite Columns Under Moderate Near-Fault Motion”, International Journal of Steel Structures, Vol.12 No. 4. pp.556-562. DOI 10.1007/s13296-012-4010-6

2011. “Design of Double Composite Bridges using High Strength Steel”, Procedia Engineering 14, 2011, pp.1825-1829. http://dx.doi.org/10.1016/j.proeng.2011.07.229

2011. “Cyclic Behavior of Prefabricated Circular Composite Columns with Low Steel Ratio”, Engineering Structures, vol. 33, 2011, September, pp.2525-2534. http://dx.doi.org/10.1016/j.engstruct.2011.04.024

2010. “Development and Application of Precast Decks for Composite Bridges”, Structural Engineering International, Vol.20, No.2, May, 2010, pp.126-133. DOI: http://dx.doi.org/10.2749/101686610791283623

(Mocmocmpoehue mupa No.3, 2011 (world bridge construction, AMOST foundation)


(World bridges, ISSN 1671-7767, 2011 No. 5)

2010. “Structural Performance of Composite Joints using Bent Studs”, International Journal of Steel Structures, March 2010, Vol 10, No 1, 1-13. DOI: 10.1007/BF03249508

2009. “Experimental investigation of double composite twin-girder railway bridges”, Journal of Constructional Steel Research, 65(6), June,   2009. pp.1355-1366. http://dx.doi.org/10.1016/j.jcsr.2009.02.004

2008. “Cyclic response of concrete-encased composite columns with low steel ratio”, Structures and Buildings, Proc. of the Institution of Civil Engineers, 161, Issue SB2, 2008, pp.77-89. DOI: 10.1680/stbu.2008.161.2.77

2005. “Static and fatigue behavior of large stud shear connectors for steel-concrete composite bridges”, Journal of Constructional Steel Research, Vol.61, Issue 9, September 2005, pp.1270-1285. http://dx.doi.org/10.1016/j.jcsr.2005.01.007

2004. “Static Behavior of large stud shear connectors”, Engineering Structures, Vol. 26, Issue 12 October 2004, pp.1853-1860 http://dx.doi.org/10.1016/j.engstruct.2004.07.011

2004. “Testing a composite box-girder bridge with precast decks”, Structures & Buildings, ICE, Vol.157, Issue 4, October 2004, pp.243-250. DOI: 10.1680/stbu.2004.157.4.243

2004. “Inelastic Behaviour of Externally Prestressed Continuous Composite Box-Girder Bridge with Prefabricated Slabs”, Journal of Constructional Steel Research, Vol.60, Issue 7, pp.989-1005. DOI: 10.1016/j.jcsr.2003.09.004

2003. “Cracking of Continuous Composite Beams with Precast Decks,” Journal of Constructional Steel Research, Vol.59, Feb. 2003, pp.201-214.. http://dx.doi.org/10.1016/S0143-974X(02)00032-9

2002. “The Effect of Bedding Layer on the Strength of Shear Connection in Full-Depth Precast Deck,” Engineering Journal, AISC, 2002, 3rd Quarter, pp127-135.

2001. “Design of Shear Connection in Composite Steel and Concrete Bridges with Precast Decks,” Journal of Constructional Steel Research, 57(2001) pp. 203-219. http://dx.doi.org/10.1016/S0143-974X(00)00018-3

2001. “Continuous Composite Bridges with Precast Decks,” International Journal of Steel Structures, Vol. 1, No. 2, Sep. 2001, pp.123-132.

2000. “The Behavior of Shear Connection in Composite Beam with Full-Depth Precast Slab,” Structures and Buildings, The Institution of Civil Engineers, Jan., Vol.140, pp.101-110. DOI: 10.1680/stbu.2000.140.1.101

Patents 

1. 프리캐스트 철근콘크리트 바닥판, 이를 구비한 이중합성연속교량 및 그 시공방법


2. 연속 프리플렉스 빔 교량구조물 및 그 연속화 시공방법


3. 외부 강선으로 보강한 연속 프리플렉스 빔 구조물 및 그 연속화 시공방법


4. I형강 합성중공바닥판 및 그 시공방법


{Hollow Type I Beam Composite Deck and Constructing Method thereof}


5. 횡방향 이음구조를 가진 I형강 합성중공바닥판 및 그 이음시공방법


{Hollow Type I Beam Composite Deck having Lateral Connecting Structure and Constructing Method thereof}


6. 종방향 이음부를 가진 I형강 합성중공바닥판 및 그 이음시공방법


{Hollow Type I Beam Composite Deck having Longitudinal Joints and Constructing Method thereof}


7.  콘크리트 구조물의 스터드 설치용 고정구 {device for fixing stud in concrete structure}


8.프리캐스트 콘크리트 거푸집을 이용한 합성 중공 교각 구조물 및 그 시공방법


{Hollow type Composite Pier Structure using Precast Concrete Form and Constructing Method therefor}


9. 절곡 연결재를 구비하여 합성효과를 증진시킨 강재 매립형 합성 교각 구조물


(Composite Pier Structure Having Embedded Pile and Bent Stud)


10. 힌지 연결구조를 가지는 복부트러스 복합거더 및 그 격점부 연결구조


11. 슬릿판에 의한 변위 허용 연결구조를 가지는 복부트러스 복합거더 및 그 격점부 연결구조


12. T형 전단연결재와 볼트 연결구조를 가지는 복부 트러스복합 거더 및 그 격점부 연결구조


13. 절곡 스터드 볼트를 이용한 복부 트러스 복합거더의 격점부 연결구조 및 이러한 연결구조를 가지는 복합 트러스 복합 거더


14. 말뚝 두부 연결용 조립체, 이를 이용한 말뚝과 프리캐스트 콘크리트 교각 구조물의 연결구조 및 그 연결시공방법


15. 사재 충전형 힌지 연결구조를 가지는 복부 트러스 복합거더 및 그 격점부 연결구조


16. 강관말뚝과 프리캐스트 콘크리트 교각 구조물의 연결용 조립체, 이를 이용한 강관말뚝과 프리캐스트 콘크리트 교각 구조물의 연결구조 및 그 연결시공방법 (Connection for steel pile head, connection structure and method of pile and precast concrete pier structure)