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学者姓名：曹万林
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Abstract ：
To promote the green development of urban buildings constructed with recycled materials, experimental and numerical studies were conducted on the flexural behavior of high-strength recycled aggregate concrete (HSRAC) slabs in this paper. Six full-scale one-way slabs, compromising of four HSRAC slabs and two high-strength natural aggregate concrete (HSNAC) slabs, were tested under one-way repeated loading. Impacts of varied parameters (steel trusses, concrete type, reinforcement ratio and slab thickness) on the flexural behavior were clarified. The test results indicated that arrangement of steel trusses can effectively limit the crack development and enhance the post-cracking stiffness by a maximum of 20 %. The flexural behavior was comprehensively improved including resistance, deformability, stiffness and restoration capacity as the reinforcement ratio increased by 51 %. Thicker slab (150 mm) performed better flexural resisting capacity (over 50 %) and service stiffness (over 70 %) at a cost of ductility loss. HSRAC slabs possessed comparable performance with the HSNAC counterpart, which is a strong affirmation for the promising application of such slabs. Practical finite element (FE) models were then established and verified with test results, and a detailed parametric study was also conducted to provide reference for designing additional important parameters. Finally, a database of 84 bending members was collected and a comparable analysis was carried out to verify the correctness of the tests with a reliability interval of 92 % and enrich the database. Relevant NAC design specifications were evaluated and proved available for safely and accurately predicting the flexural capacity and yield deflection of the proposed slabs, with a deviation range within 15 %.
Keyword ：
High strength concrete High strength concrete Recycled aggregate concrete slabs Recycled aggregate concrete slabs Flexural performance Flexural performance Finite element models Finite element models Steel trusses Steel trusses Comparable analysis Comparable analysis
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| GB/T 7714 | Zhu, Jian , Dong, Hongying , Cao, Wanlin et al. Flexural behavior of full-scale high-strength recycled aggregate concrete slabs reinforced with steel trusses under one-way repeated loading [J]. | STRUCTURES , 2025 , 73 . |
| MLA | Zhu, Jian et al. "Flexural behavior of full-scale high-strength recycled aggregate concrete slabs reinforced with steel trusses under one-way repeated loading" . | STRUCTURES 73 (2025) . |
| APA | Zhu, Jian , Dong, Hongying , Cao, Wanlin , Zhang, Jie . Flexural behavior of full-scale high-strength recycled aggregate concrete slabs reinforced with steel trusses under one-way repeated loading . | STRUCTURES , 2025 , 73 . |
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Abstract ：
The tailings microcrystalline foamed plate (TMF plate), produced from industrial waste tailings, has limited research regarding its use in high-performance building walls. Its brittleness under stress poses challenges. To improve its mechanical properties, a prefabricated light steel-tailings microcrystalline foamed plate composite wall (LS-TMF composite wall) has been proposed. This LS-TMF composite wall system integrates assembly, sustainability, insulation, and decorative functions, making it a promising market option. To study the in-plane performance of the composite wall, compression and seismic performance tests were conducted. The findings indicate that the light steel keel, steel bar, and TMF plate in the composite wall demonstrated good working performance. Strengthening the TMF plate enhanced the restraint on the light steel keel and improved the composite wall's compressive performance. Increasing the thickness of the light steel keel further improved the compressive stability. Under horizontal cyclic loading, failure occurred at the light steel keel embedding location. Increasing the strength of the TMF plate was beneficial for the seismic performance of the composite wall. This structural configuration-incorporating light steel keels, TMF plates, and fly ash blocks-enhanced thermal insulation and significantly improved in-plane stress performance. However, the splicing plate structure adversely affected the seismic performance of the composite wall.
Keyword ：
tailings microcrystalline foamed plate tailings microcrystalline foamed plate light steel keel light steel keel prefabricated composite wall prefabricated composite wall in-plane mechanical properties test in-plane mechanical properties test
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| GB/T 7714 | Bian, Jinliang , Cao, Wanlin , Chen, Jianwei et al. In-Plane Mechanical Properties Test of Prefabricated Composite Wall with Light Steel and Tailings Microcrystalline Foamed Plate [J]. | BUILDINGS , 2024 , 14 (10) . |
| MLA | Bian, Jinliang et al. "In-Plane Mechanical Properties Test of Prefabricated Composite Wall with Light Steel and Tailings Microcrystalline Foamed Plate" . | BUILDINGS 14 . 10 (2024) . |
| APA | Bian, Jinliang , Cao, Wanlin , Chen, Jianwei , Zhao, Lidong , Yu, Yuanyuan . In-Plane Mechanical Properties Test of Prefabricated Composite Wall with Light Steel and Tailings Microcrystalline Foamed Plate . | BUILDINGS , 2024 , 14 (10) . |
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Abstract ：
Experiments are conducted on five shear wall specimens of varying design and structural measures in order to investigate seismic behaviour of a composite shear wall with the steel reinforced concrete frame and an embedded perforated-steel plate. In addition, low-cyclic load is applied on test specimens that have a shear span ratio of 1.5. Using the experimental data, the bearing capacity, stiffness, ductility, hysteretic energy, and failure characteristics of five specimens are analysed. The results show that the composite shear wall (CSW) with the steel reinforced concrete frame (SRCF) and embedded steel plate (ESP) has higher bearing capacity, better ductility, slower degradation of stiffness, and higher energy dissipation capacity, as compared to an ordinary reinforced concrete shear wall. Moreover, its seismic behaviour can be improved by using the ESP of an appropriate thickness. For the ESPs of identical thickness, the results show that the specimen that uses steel ties exhibits better seismic behaviour than those using welding studs. Finally, a computing model that can calculate the bearing capacity of the CSWs is developed. A comparison of calculated and measured results shows that the results are close to each other.
Keyword ：
composite shear wall composite shear wall embedded steel plate embedded steel plate bearing capacity calculation bearing capacity calculation seismic behaviour seismic behaviour steel reinforced concrete frame steel reinforced concrete frame
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| GB/T 7714 | Zhou, Zhongyi , Cao, Wanlin , Liu, Yan et al. Seismic behaviour of composite shear wall with steel reinforced concrete frame and embedded perforated-steel plate [J]. | GRADEVINAR , 2022 , 74 (5) : 383-392 . |
| MLA | Zhou, Zhongyi et al. "Seismic behaviour of composite shear wall with steel reinforced concrete frame and embedded perforated-steel plate" . | GRADEVINAR 74 . 5 (2022) : 383-392 . |
| APA | Zhou, Zhongyi , Cao, Wanlin , Liu, Yan , Li, Jianhua . Seismic behaviour of composite shear wall with steel reinforced concrete frame and embedded perforated-steel plate . | GRADEVINAR , 2022 , 74 (5) , 383-392 . |
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Abstract ：
To improve the seismic performance of circular concrete-filled steel tube (CFST) columns with large dimensions, circumferential stiffeners, vertical stiffeners, and reinforcement cages were suggested to be set in the columns. Seven circular CFST column specimens with four internal constructions and two shear-span ratios were designed and tested under low-frequency cyclic loading. The failure modes, hysteretic behavior, bearing capacity, ductility, stiffness and strength degradation, energy dissipation capacity, and effect on the seismic performance based on different internal constructions and different shear-span ratios were herein discussed and clarified. The test results illustrated that the internal constructions could effectively postpone the local buckling of steel tube and improve the ultimate strength, ductility, and stiffness of circular CFST columns. A finite element (FE) model was developed to carry out the working mechanism and parametric analysis. Finally, a theoretical model to estimate the ultimate bearing capacity of CFST columns with different internal constructions was established, the results obtained from the model were in good agreement with the test results.
Keyword ：
FE analysis FE analysis Internal construction Internal construction Seismic performance Seismic performance Circular CFST columns Circular CFST columns Bearing capacity Bearing capacity Shear-span ratio Shear-span ratio
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| GB/T 7714 | Dong, Hongying , Qin, Jia , Cao, Wanlin et al. Seismic behavior of circular CFST columns with different internal constructions [J]. | ENGINEERING STRUCTURES , 2022 , 260 . |
| MLA | Dong, Hongying et al. "Seismic behavior of circular CFST columns with different internal constructions" . | ENGINEERING STRUCTURES 260 (2022) . |
| APA | Dong, Hongying , Qin, Jia , Cao, Wanlin , Zhao, Lidong . Seismic behavior of circular CFST columns with different internal constructions . | ENGINEERING STRUCTURES , 2022 , 260 . |
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Abstract ：
With the need for well precast shear walls (PSWs), ensuring sufficient connection joints between precast and castin-place components has become challenging. An innovative grouted joint with button-head bars and a PSW with boundary elements using this joint, called a precast single-row reinforced concrete wall, were proposed in this study. Quasi-static cyclic loading tests of four specimens, including three PSWs and one cast-in-place shear wall (CSW), were carried out, which emphasized verifying the reliability of the grouted joint and PSWs and analyzing the effect of different axial compression ratios and distributions of grouted joints on the seismic performance of this PSW. The bond strength between the button-head bar and grouting and between the grouting and precast components was tested. Additionally, mechanical characteristics in terms of failure characteristics, hysteretic properties, stiffness degradation, energy dissipation, and reinforcement strain were investigated. The theoretical predicted bearing capacity of the PSW containing flexural and shear capacities and the shear strength of the connection interface using different codes was calculated. The results show that the grouted joints with buttonhead bars in this paper had satisfactory bond strength of the interface between different materials and provided adequate strength and stiffness for PSW to prevent connection interface failure early. The PSW had approximately the same hysteresis behaviors as the CSW. The reliable connection method and the cast-in-place concealed column effectively limiting the horizontal wall-foundation slippage, although cracks along the construction joints between the precast members occurred. With the increase in the axial compression ratio, the bearing capacity and cumulative energy dissipation of PSW are improved due to the growth of the area of the concrete compression zone. Reasonable design of the arrangement of the grouted joints was conducive to ductility of the wall and force distribution over the cross-section. The current codes for calculating the CSW reliably predicted the bearing capacity and failure mode of the PSW.
Keyword ：
Seismic performance Seismic performance Precast shear wall Precast shear wall Single-row reinforcements Single-row reinforcements Recycled concrete Recycled concrete Grouted joint with button-head bar Grouted joint with button-head bar
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| GB/T 7714 | Dong, Hongying , Li, Yanna , Cao, Wanlin et al. Seismic performance of precast single-row reinforced concrete shear walls connected by grouted joints with button-head bars [J]. | STRUCTURES , 2022 , 41 : 1655-1671 . |
| MLA | Dong, Hongying et al. "Seismic performance of precast single-row reinforced concrete shear walls connected by grouted joints with button-head bars" . | STRUCTURES 41 (2022) : 1655-1671 . |
| APA | Dong, Hongying , Li, Yanna , Cao, Wanlin , Qin, Chengjie , Liu, Chengwei , Wu, Dingyan . Seismic performance of precast single-row reinforced concrete shear walls connected by grouted joints with button-head bars . | STRUCTURES , 2022 , 41 , 1655-1671 . |
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Abstract ：
There is a growing interest in the development of precast structures. In this paper, a semi-precast high-strength recycled aggregate concrete (RAC) column with high-strength reinforcement was studied, which was consisted of cast-in-situ core concrete surrounded by a precast external shell. Six full-scale columns were fabricated and tested under cyclic lateral load, of which two were cast-in-situ columns and four were semi-precast columns. The penetration of shear reinforcement between precast external shell and cast-in-situ core column, core column diameter and axial load were the major design parameters. The test results showed that all specimens exhibited a good deformation capacity with an ultimate drift ratio greater than 3%. The semi-precast columns had comparable seismic performance with the cast-in-situ columns, indicating that the penetrating shear reinforcement and the core column diameter had little effect on the seismic performance. The core column diameter could be selected according to the practical engineering requirements. Increasing the axial load can significantly improve the lateral load-carrying capacity of the specimens, but would result in larger residual drift ratio, which was adverse to the repairability of the specimens. The flexural deformation and the deformation resulting from slippage of longitudinal reinforcement in the concrete foundation accounted for 50%-80% and 10%-20% of the lateral displacement, respectively, which should not be ignored in the deformation calculation; however, the shear deformation can be ignored. The optimized models applicable to calculate the F-Delta curves of semi-precast high-strength RAC columns with high-strength reinforcement were proposed. Parametric analysis based on the optimized models was carried out to develop N-M curves for various precast external shell or core column concrete strength, and core column diameters.
Keyword ：
Fiber-based method model Fiber-based method model High-strength reinforcement High-strength reinforcement High-strength recycled aggregate concrete High-strength recycled aggregate concrete Semi-precast column Semi-precast column Seismic behavior Seismic behavior
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| GB/T 7714 | Zhang, Jianwei , Tao, Xinyi , Liu, Juan et al. Seismic performance of semi-precast high-strength recycled aggregate concrete columns with high-strength reinforcement [J]. | JOURNAL OF BUILDING ENGINEERING , 2022 , 45 . |
| MLA | Zhang, Jianwei et al. "Seismic performance of semi-precast high-strength recycled aggregate concrete columns with high-strength reinforcement" . | JOURNAL OF BUILDING ENGINEERING 45 (2022) . |
| APA | Zhang, Jianwei , Tao, Xinyi , Liu, Juan , Dong, Hongying , Cao, Wanlin . Seismic performance of semi-precast high-strength recycled aggregate concrete columns with high-strength reinforcement . | JOURNAL OF BUILDING ENGINEERING , 2022 , 45 . |
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Abstract ：
本实用新型公开了短肢装配式轻钢组合钢丝网架砂浆‑珍珠岩‑聚苯围护墙，包括装配式混凝土短肢剪力墙，连梁，轻钢框格，内叶钢丝网砂浆层，钢丝网架砂浆‑珍珠岩‑聚苯保温构造，承重钢丝网架，轻钢组合桁架，轻钢框格钢丝网架内外叶砂浆面层夹心珍珠岩‑聚苯保温复合墙，外叶钢丝网水泥砂浆层后抹条带，为短肢剪力墙板外保温层上、下以及左、右外钢丝网砂浆层连接构造，窗洞自攻钉集块连接构造，组合连接构造，混凝土后浇条带。本实用新型解决了复合填充墙内叶砂浆层内细而密钢筋网与连梁及短肢剪力墙的连接问题，具有良好的受力性能；同时，可有效抵抗长期荷载下窗边框周围砂浆层向下的剪切变形，提高了墙板防水性能。
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| GB/T 7714 | 曹万林 , 杨兆源 , 董宏英 et al. 短肢装配式轻钢组合钢丝网架砂浆-珍珠岩-聚苯围护墙 : CN202223505265.6[P]. | 2022-12-27 . |
| MLA | 曹万林 et al. "短肢装配式轻钢组合钢丝网架砂浆-珍珠岩-聚苯围护墙" : CN202223505265.6. | 2022-12-27 . |
| APA | 曹万林 , 杨兆源 , 董宏英 , 张建伟 . 短肢装配式轻钢组合钢丝网架砂浆-珍珠岩-聚苯围护墙 : CN202223505265.6. | 2022-12-27 . |
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Abstract ：
本实用新型公开了装配式带框格叶板双夹层保温五层复合混凝土剪力墙板，包括外叶带框格单排钢筋网混凝土板和内叶带框格单排钢筋网混凝土板，外叶带框格单排钢筋网混凝土板与内叶带框格单排钢筋网混凝土板的侧部均设有保温板；保温板的燕尾槽与外叶带框格单排钢筋网混凝土板和内叶带框格单排钢筋网混凝土板咬合连接，外叶带框格单排钢筋网混凝土板‑保温板‑中部双排配筋混凝土板‑保温板‑内叶带框格单排钢筋网混凝土板组成装配式带框格叶板双夹层保温五层复合混凝土剪力墙板的主体结构。采用自攻钉集块连接并通过拉结钢筋与中部混凝土板连接，具有内外叶板与中部板高效协同受力、抗震保温一体化的优势。
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| GB/T 7714 | 曹万林 , 杨兆源 . 装配式带框格叶板双夹层保温五层复合混凝土剪力墙板 : CN202223463795.9[P]. | 2022-12-25 . |
| MLA | 曹万林 et al. "装配式带框格叶板双夹层保温五层复合混凝土剪力墙板" : CN202223463795.9. | 2022-12-25 . |
| APA | 曹万林 , 杨兆源 . 装配式带框格叶板双夹层保温五层复合混凝土剪力墙板 : CN202223463795.9. | 2022-12-25 . |
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Abstract ：
本发明公开了混凝土框架装配式轻钢组合桁架承托钢丝网架砂浆‑珍珠岩‑聚苯复合围护墙及作法，涉及装配式混凝土建筑结构工程技术领域。包括钢丝网砂浆‑珍珠岩面层、承重钢丝网架、轻钢组合桁架、自攻钉集块连接节点以及装配式混凝土柱；承重钢丝网架为水平腹丝及斜向腹丝外端点焊外钢丝网并穿透珍珠岩层、聚苯层后点焊内钢筋网，并在内混凝土砂浆层中锚固；轻钢组合桁架为由钢丝网砂浆层、断桥自攻钉腹杆、轻钢框格弦杆构成的桁架；混凝土柱复合墙段自攻钉集块连接构造为焊接在混凝土柱箍筋上的连接钢板与焊接在墙段内混凝土砂浆层的钢筋网上焊接的传力钢板通过自攻钉连接的构造。本发明具有良好的抗震、抗火、隔热、防水、耐候性能。
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| GB/T 7714 | 曹万林 , 杨兆源 , 董宏英 et al. 混凝土框架装配式轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合围护墙及作法 : CN202211691924.1[P]. | 2022-12-27 . |
| MLA | 曹万林 et al. "混凝土框架装配式轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合围护墙及作法" : CN202211691924.1. | 2022-12-27 . |
| APA | 曹万林 , 杨兆源 , 董宏英 , 乔崎云 . 混凝土框架装配式轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合围护墙及作法 : CN202211691924.1. | 2022-12-27 . |
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Abstract ：
本发明公开了一种装配式带窗洞轻钢组合桁架承托钢丝网架砂浆‑珍珠岩‑聚苯复合剪力墙及作法，涉及装配式混凝土建筑结构工程技术领域。包括钢丝网砂浆‑珍珠岩面层，由钢丝网砂浆层以及珍珠岩防火层构成；承重钢丝网架，由内、外钢丝网点焊水平腹丝及斜向腹丝构成；轻钢框格，由C形钢焊接而成；轻钢组合桁架由钢丝网砂浆层条带外弦、轻钢框格竖向C形钢内弦、沉头断桥长自攻钉构成；窗边框自攻钉集块组合连接构造，为配筋砂浆条带与混凝土剪力墙窗框轻钢框格的连接节点；装配式剪力墙组合连接构造，是指上、下混凝土剪力墙板间采用钢筋套筒装配，左、右剪力墙采用后浇混凝土条带装配。本发明具有厚度小、质量轻，抗火、防水和隔热性能好的特点。
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| GB/T 7714 | 曹万林 , 杨兆源 , 王小娟 . 装配式带窗洞轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合剪力墙及作法 : CN202211690854.8[P]. | 2022-12-27 . |
| MLA | 曹万林 et al. "装配式带窗洞轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合剪力墙及作法" : CN202211690854.8. | 2022-12-27 . |
| APA | 曹万林 , 杨兆源 , 王小娟 . 装配式带窗洞轻钢组合桁架承托钢丝网架砂浆-珍珠岩-聚苯复合剪力墙及作法 : CN202211690854.8. | 2022-12-27 . |
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