涉及土木、材料、冶金、大数据和人工智能等新型交叉学科研究，主要包括：
金属结构多尺度智能评估（难度指数五星，研究基础四星，特色：交叉研究方向，有合作导师联合指导）；
新型韧性防震结构体系（难度指数两星，研究基础四星，特色：实用性强）；
钢结构抗爆（难度指数五星，研究基础一星，特色：方向前沿）；
金属基超材料（难度指数五星，研究基础三星，特色：交叉研究方向，有合作导师一起指导）；
高性能减隔震设备（难度指数一到五星，研究基础三到五星，特色：偏实用）；
脆性材料延性化设计方法（如苹果专卖店的全玻璃结构）（难度指数三到五星，研究基础四星，特色：方向前沿，暂时可能没什么用，比较好玩，未来可能有点用）。
上海自主智能无人系统科学中心学科交叉联合攻关首批示范项目，负泊松比超材料宏微观断裂智能预测，2021/8-2022/7，负责人。
上海自主智能无人系统科学中心学科交叉联合攻关第二批示范项目，金属基超材料微观结构与损伤演化的物理信息神经网络，2022/8-2023/7，负责人。
国家自然科学基金面上项目（52178499），梁贯通式多重摇摆柱钢支撑框架的减震机理及设计方法，2022/1-2025/12，负责人。
国家自然科学基金青年科学基金项目（51508401），基于微观力学模型不同方式成型圆钢管的屈曲后断裂机制，2016/1-2018/12，负责人
中央高校基本科研业务费专项资金-学科交叉类项目，液压关节机器人控制精度与动态特性研究，2019/1-2020/12，负责人。
ILEE教育部地震工程国际联合实验室国际合作项目，Robust Building System，2018-2022，中方执行人。
东京工业大学国际合作研究项目，金属阻尼器超低周疲劳寿命评估方法，2017/4-2018/3，中方负责人。
国家自然科学基金委员会，国际(地区)合作与交流项目，51820105013，低损伤钢结构体系抗震设计理 论与可恢复性评估系统，2019/1-2023/12，参与。
十三五国家重点研发计划项目，建筑工业化技术标准体系与标准化关键技术，2016/7-2019/12，参与。
十三五国家重点研发计划项目，工业化建筑隔震及消能减震关键技术，2017/7-2020/12，子课题负责人。
中国地震局重点实验室重点专项子课题, 0027020194159, 新型装配式高性能波形耗能棒的耗能机理及其设计方法研究, 2019/9-2022/8，负责人。
中央高校基本科研业务费专项资金-学科交叉类项目（0500219213），钢与超高性能混凝土(UHPC)栓钉连接件的抗剪性能研究，2015/7-2016/12，负责人。中央高校基本科研业务费专项资金-学科交叉类项目，基于装配式栓钉的钢-超高性能混凝土(UHPC)组合构件的应用基础研究（滚动支持），2017/7-2018/12，负责人。
日本文部省基础研究A类（23246097），钢构件的屈曲和破坏的耦合相关研究，2011/01-2015/03，参与。
日本文部省基础研究C类（24560588），含未焊透焊缝钢结构的延性断裂发生相关评价准则的研究，2012/04-2015/03，参与。
日本文部省特别研究员奖励费项目（12F02067），考虑超低周疲劳的桥梁钢结构抗震性能评价方法，2012/12-2013/11，参与。
上海中心加强层关键节点抗震性能试验研究，2010，参与。
2000吨世博轴阳光谷梭形格构柱足尺和缩尺稳定承载力试验，2008，参与。
广州新塔异形关键节点抗震性能试验研究，2007，参与
英文专著：
L-J Jia; HB Ge, Ultra-Low Cycle Fatigue Failure of Metal Structures under Strong Earthquakes. Springer, 2018.
中文专著：
贾良玖，葛汉彬，强震下金属结构的超低周疲劳破坏，同济大学出版社，2019.
代表性论文：
Y Zhou; Y Li; D Jiang; Yu Chen; Y Xie, L-J Jia (2022), In-plane impact behavior of 3D-printed auxetic stainless honeycombs, Engineering Structures, 266(9):114656.
R Zhang; J-Y Xie; K Chouery; J Liu; L-J Jia; P Xiang; X Zhao; G MacRae; C Charles; R Dhakal; S Ramhormozian; Z Yan (2022), Strong axis low-damage performance of rocking column-base joints with asymmetric friction connections. Journal of Constructional Steel Research, 191:107175.
P Xiang; G Song; L-J Jia (2022), Shaking table test on a low-damage controlled multiple-rocking-column steel frame, Engineering Structures, 254(5):113896.
J Xie; R Zhang; T Liu; C Zhou; L-J Jia (2022), Effect of initial void shape on void growth of structural steels based on micromechanical RVE models, Journal of Materials in Civil Engineering (ASCE), 34(4):04022010.
Y Dong; L-J Jia (2021), Plasticity model for structural steel with Lode angle dependence. Journal of Bridge Engineering (ASCE), 26 (12), 04021087.
T Gu; L-J Jia*; B Chen, M Xia, H Guo, M-C He* (2021), Unified full-range plasticity till fracture of meta steel and structural steels, Engineering Fracture Mechanics, 253, 107869.
T Gu; J-H Li; J Sun; L-J Jia*; T Liu; HB Ge* (2021), Experimental study on miniature buckling-restrained brace with corrugated core bar. Journal of Earthquake Engineering.
R Xie; Z Li; P Xiang*; L-J Jia* (2021). Dynamic behaviors of steel multiple-rocking-column structural system with rocking stoppers. Engineering Structures, 243:112649.
T Gu; S Yang; D Guan; L-J Jia* (2021), Analytical model for local bulging failure of mini-BRBs with circular restraint tubes. Journal of Constructional Steel Research, 183:106722.
F Shao; T Gu; L-J Jia*; M Taguchi, HB Ge* (2020), Experimental study on damage detectable brace-type shear fuses, Engineering Structures, 225(26):111260.
P Xiang; R Xie; Z Li; L-J Jia*; J Xie; Seismic performance of a single-story articulated steel structure system, Journal of Engineering Mechanics (ASCE), 146(10):04020108.
Yiyi Zhou; Kim Eng Chouery; Zhan Shu; Liang-Jiu Jia*. Full-range plasticity of novel high-performance low-cost stainless steel QN1803 (2020), Steel and Composite Structures, 35(6):739-752.
L-J Jia; J Xie; Z Wang; K Kondo; HB Ge* (2020). Initial studies on brace-type shear fuses. Engineering Structures, 208:110318.
D Guan; S Yang; L-J Jia*; Z Guo (2020). Development of miniature bar-type structural fuses with cold formed bolted connections. Steel and Composite Structures, 34(1):53-73.
L-J Jia*; Wataru Fujie; Toyoki Ikai; Soichiro Yoshida; HB Ge (2019). Dependency of mesh size and loading history on crack propagation energy of cyclic ductile fracture model. Engineering Fracture Mechanics, 215:117-137.
L-J Jia; Y Tian; X Zhao; S Tian (2019). Rotational capacity of H-shaped steel beams under cyclic pure bending. Steel and Composite Structures, 30(2):123-140.
L-J Jia; Y Dong; HB Ge; K Kondo; P Xiang (2019). Experimental study on high-performance buckling-restrained braces with perforated core plates. International Journal of Structural Stability and Dynamics, 19(1), 1940004.
L-J Jia; R-W Li, P Xiang; D-Y Zhou; Y Dong (2018). Resilient steel frames installed with self-centering dual-steel buckling-restrained brace. Journal of Constructional Steel Research, 149:95-104.
L-J Jia; HB Ge; P Xiang; Y Liu (2018). Seismic performance of fish-bone shaped buckling-restrained braces with controlled damage process. Engineering Structures, 169:141-153.
P Xiang; M Shi; L-J Jia*; M Wu; CL Wang (2018). Constitutive model of aluminum under variable-amplitude cyclic loading and its application to buckling-restrained braces. Journal of Materials in Civil Engineering (ASCE), 30(3):04017304.
L.J. Jia; P Xiang; M Wu; A Nishitani (2018). Swing story–lateral force resisting system connected with dampers: novel seismic vibration control system for building structures. Journal of Engineering Mechanics (ASCE), 144(2):04017159.
P Xiang; L-J Jia*; M Shi; M Wu (2017). Ultra-low cycle fatigue life of aluminum alloy and its prediction using monotonic tension test results. Engineering Fracture Mechanics, 186:449-465.
K Ke; YY Chen; L-J Jia* (2017). Damage-control evaluation of high-strength steel frames with energy dissipation bays. Structures & Buildings, 170(9):677-692. (Tso Kung Hsieh Award of ICE).
J Wang; J Guo; L-J Jia*; S Chen; Y Dong (2017). Push-out tests of demountable headed stud shear connectors in steel-UHPC composite structures. Composite Structures, 170:69-79.
Y Liu; L-J Jia*; HB Ge; T Kato; T Ikai (2017). Ductile-fatigue transition fracture mode of welded T-joints under quasi-static cyclic large plastic strain loading. Engineering Fracture Mechanics, 176(5):38-60.
L-J Jia; HB Ge*; R Maruyama; K Shinohara (2017). Development of a novel high-performance all-steel fish-bone shaped buckling-restrained brace. Engineering Structures, 138:105-119.
YY Chen; L Pan; L-J Jia* (2017). Post-buckling ductile fracture analysis of panel zones in welded steel beam-to-column connections. Journal of Constructional Steel Research, 132:117-129.
L-J Jia; T Ikai; HB Ge*; S Hada (2017). Seismic performance of compact beam–column connections with welding defects in steel bridge piers. Journal of Bridge Engineering (ASCE),22(4):04016137.
L-J Jia; T Ikai; K Shinohara; HB Ge* (2016). Ductile crack initiation and propagation of structural steels under cyclic combined shear and normal stress loading. Construction and Building Materials, 112:69-83.
L-J Jia; HB Ge*; K Shinohara; H Kato (2016). Experimental and numerical study on ductile fracture of structural steels under combined shear and tension. Journal of Bridge Engineering (ASCE), 21(5):04016008.
S Yang; D Guan; L-J Jia; Z Guo; HB Ge (2019). Local bulging analysis of a restraint tube in a new buckling-restrained brace. Journal of Constructional Steel Research, 161:98-113.
X Zhao; Y Tian; L-J Jia; T Zhang (2018). Ultra-low cycle fatigue tests of Class 1 H-shaped steel beams under cyclic pure bending. Steel & Composite Structures, 26(4):439-452.
S Chen; R Zhang; L-J Jia; J-Y Wang (2018). Flexural behavior of rebar reinforced ultra-high performance concrete beams. Magazine of Concrete Research, 70(19):997-1015.
S Chen; R Zhang; L-J Jia; J-Y Wang; P Gu (2018). Structural behavior of UHPC filled steel tube columns under axial loading. Thin-Walled Structures, 130:550-563.
D Guan; S Yang; Z Wang; L-J Jia; Z Guo; HB Ge (2020). Concept and behaviour of miniature bar-typed structural fuses with eccentricity. Journal of Constructional Steel Research, 166:105923.
L Li, C Jiang, L-J Jia, and Z Lu (2016). Local buckling of bolted steel plates with different stiffener configuration. Engineering Structures, 119(7):186-197.
Z Zhou; L-J Jia (2015). Damage index for crack initiation of structural steel under cyclic loading. Journal of Constructional Steel Research, 114:1-7.
L-J Jia; HB Ge; T Suzuki; X Luo (2015). Experimental study on cracking of thick-walled welded beam-column connections with incomplete penetration in steel bridge piers. Journal of Bridge Engineering (ASCE), 20(4):04014072.
L-J Jia*; H Kuwamura (2015). Ductile fracture model for structural steel under cyclic large strain loading. Journal of Constructional Steel Research, 106:110-121.
HB Ge; L-J Jia; L Kang; T Suzuki (2014). Experimental study on seismic performance of partial penetration welded steel beam-column connections with different fillet radii. Steel & Composite Structures, 17(6):851-865.
L-J Jia* (2014). Integration algorithm for a modified Yoshida-Uemori model to simulate cyclic plasticity in extremely large plastic strain ranges up to fracture. Computers & Structures, 145:36-46.
L-J Jia*; HB Ge; T Suzuki (2014). Effect of post weld treatment on cracking behaviors of beam-column connections in steel bridge piers. Steel & Composite Structures, 17(5):685-704.
L-J Jia*; T Koyama; H Kuwamura (2014). Experimental and numerical study of postbuckling ductile fracture of heat-treated SHS stub columns. Journal of Structural Engineering (ASCE), 140(7):165-180.
L-J Jia*; H Kuwamura (2014). Ductile fracture simulation of structural steels under monotonic tension. Journal of Structural Engineering (ASCE), 140(5):472-482.
L-J Jia*; H Kuwamura (2014). Prediction of cyclic behaviors of mild steel at large plastic strain using coupon test results. Journal of Structural Engineering (ASCE), 140(2):441-454.
授权国家发明专利11项，实用新型专利1项。
