
Jing-Zhong TongZhejiang University | ZJU · College of Civil Engineering and Architecture
Jing-Zhong Tong
Doctor of Philosophy
About
112
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Introduction
Additional affiliations
January 2019 - December 2019
August 2018 - December 2018
Education
August 2013 - July 2018
August 2009 - July 2013
August 2009 - July 2013
Publications
Publications (112)
Composite bridge deck (CBD) structure has been widely used in recent decades, particularly in long-span bridges.The application of ultra-high toughness cementitious composite (UHTCC) in composite bridge deck (CBD) structures has garnered attention due to its exceptional resistance to tensile cracking and strain hardening. However, their widespread...
Compared to glass fiber-reinforced polymer (GFRP) and carbon fiber-reinforced polymer (CFRP), basalt fiber-reinforced polymer (BFRP) offers distinct advantages, including the relatively lower cost and superior creep resistance. As a result, its application in the construction industry has been gaining growing attention. This paper begins by providi...
Stiffened steel corrugated shear walls (SSCSWs) have achieved extensive applications in building structures and serve as efficient lateral force-resisting members. Single-side-stiffened steel corrugated shear walls (SS-SCSWs) are more flexible in terms of their structural configuration compared to conventional SSCSWs because this novel structural m...
Well-behaved nonlinear structures, which exploit elastic instabilities for functionality, have garnered increasing interest for rapid shape shifting and energy dissipation applications. One of the current bottlenecks during design is the large computational cost associated with nonlinear solvers when targeting a specific function through inverse de...
Due to its remarkable combination of high yield strength and cost-effectiveness, S35657 austenitic stainless steel has gained increasing attention in the field of construction engineering. This paper delves into the global stability performance of S35657 stainless steel welded long columns. Leveraging test results from 13 welded long columns, consi...
Vibro-impact capsule robots, propelled by rhythmic collisions of an internal mass triggered by an external magnetic field, are emerging as promising tools for minimally invasive surgery. This innovative actuation mechanism allows for delicate interaction with tissues, making them ideal candidates for navigating confined surgical spaces. However, th...
The ultra‐high toughness cementitious composite (UHTCC) has the tensile strain‐hardening characteristic and an excellent ability to prevent tensile cracking. To enhance the seismic and durability performance of the conventional buckling‐restrained steel plate shear wall (BRSPSW), UHTCC‐enhanced BRSPSW (UBRSPSW) was proposed in this paper as a new t...
Reinforced concrete (RC) flat-slab structures may experience progressive collapse, usually caused by the punching shear failure of slab–column joints. Existing research has shown that the use of shear reinforcements or ultra-high toughness cementitious composites (UHTCCs) in slab–column joints is efficient in improving their punching shear performa...
To further expand the application range of cold-formed steel (CFS) members in practical engineering, a novel fold-fastened multi-cellular steel wall (FMSW) was introduced and investigated in detail. The FMSWs were mechanically connected by the hook-shaped and groove-shaped regions at both ends of the single limb members, by which the assembly effic...
Steel-concrete composite walls, valued for their capacity to combine the strengths of steel and concrete, have become a prevalent construction choice. During the past few decades, the performance of steel-concrete composite walls has been studied by means of structural tests, theoretical analysis, and numerical simulation. Different types of steel-...
The orthotropic steel bridge deck (OSBD) has been widely used in recent decades, benefiting from its advantages of lightweight and easy assembly. However, the longitudinal and transversal stiffeners of OSBDs are connected to the top flange plate through dense welds, which will easily introduce fatigue cracks. Hence, the composite bridge deck (CBD)...
Using Ultra-High Toughness Cementitious Composite (UHTCC) to the wet joints of composite bridge decks (CBDs) is a new solution to the cracking issue under hogging moments. Interfacial treatments and reinforcement details play a critical role in enhancing the crack resistance performance of wet joints in CBDs, while the quantitative impact of these...
Compared to traditional robotic systems, small-scale robots, ranging from several millimetres to micrometres in size, are capable of reaching narrower and vulnerable regions with minimal damage. However, conventional small-scale robots' limited maneuverability and controlability hinder their ability to effectively navigate in the intricate environm...
The animation visualizes the capsule robot's propelling motion driven by an excitation force. This simulation was conducted using the commercial finite element package ABAQUS by Mr Yujia Zhang.
Compared to traditional robotic systems, small-scale robots, ranging from several millimetres to micrometres in size, are capable of reaching narrower and vulnerable regions with minimal damage. However, conventional small-scale robots’ limited maneuverability and controlability hinder their ability to effectively navigate in the intricate environm...
Corrugated steel plate shear walls (CSPSWs) have been widely utilized as lateral-resistant and energy-dissipating components in multistory and high-rise buildings. To improve their buckling stability, shear resistance, and energy-dissipating capacity, stiffeners were added to the CSPSW, forming stiffened CSPSWs (SCSPSWs). Evaluating the hysteretic...
As a new type of austenitic stainless steel with high nitrogen and low nickel, S35657 stainless steel has the characteristics of high strength and low price, and it has a good application prospect in the field of construction. To supplement the relevant research on S35657 stainless steel structures and to evaluate the applicability of existing spec...
Multi-stiffened corrugated steel plate shear walls (MCSPSWs) have desirable seismic behavior involving shear-resistant, ductile, and energy-dissipating capacities. The elastic buckling load of the MCSPSW is a major influencing factor on its seismic behavior and it lays a foundation for the further study and design of the elastoplastic shear bearing...
Steel-concrete composite frames have been widely used in high-rise buildings. To improve the utilization efficiency of the indoor area, irregular-shaped concrete-filled steel tubular (CFST) columns were proposed for an alternative of the traditional rectangular CFST columns. In this paper, the L-shaped multi-cellular CFST (LM-CFST) frame was propos...
Multi‐celled corrugated‐plate CFST walls (MC‐CFST walls) are innovative composite members for load bearing and energy dissipation. The corrugated steel plates effectively enhance the confinement capacity of the infilled concrete and reduce steel consumption. In this study, the seismic behavior of MC‐CFST walls was investigated through experimental,...
Ultra-high toughness cementitious composite (UHTCC) has been noticed in the application of composite bridge deck (CBD) structures to avoid tensile cracks, benefiting from its excellent crack resistance behavior and characteristic of tensile strain hardening. In this study, a novel profiled steel-UHTCC assembled CBDs was proposed by adopting duplica...
Optimal design of the crossbeam is essential for the economical design of bridge towers as the crossbeam could considerably enhance the lateral stiffnesses of these towers by providing a special bracing for the tower columns. By using a reliability-based approach, this paper studies the optimal design of the crossbeam stiffness factor in bridge tow...
A new type of non-dismantling composite insulation panel, namely a steel-wire-enhanced insulation panel, was proposed. Compared to traditional organic insulation panels, the construction procedure is reduced, and the fire resistance is improved. The flexural performance was explored experimentally and numerically to evaluate its ability to withstan...
Currently, the composite bridge deck (CBD) system with ultrahigh-toughness cementitious composite (UHTCC) is understood to possess improved ductility and to resist cracking. To provide recommendations for designing this structural system in engineering practice,the flexural behavior in the transversal direction of steel–UHTCC CBDs was investigated u...
Stiffened corrugated steel plate shear walls (SCSPSWs) are novel seismic‐resistant members used in medium‐ and high‐rise building structures, in which a stiffener system is applied on the corrugated steel plate to restrain its out‐of‐plane buckling deformation. In this study, experimental and numerical investigations were conducted on the SCSPSW. U...
Traditional steel-concrete composite bridge deck (CBD) is prone to crack in the concrete layer, which reduces its flexural capacity and durability. Due to the excellent crack resistance behavior and characteristic of tensile strain hardening, ultra-high toughness cementitious composite (UHTCC) has become a promising material to solve this problem....
Semi-supported steel plate shear wall (SPSW) is one type of highly effective lateral load-resisting member. However, the current researches on evaluation of ultimate resistance for semi-supported SPSWs are limited. In this paper, a general finite element (FE) model for the two-side connected, semi-supported and four-side connected SPSWs is develope...
Due to the excellent tensile properties and long-term durability, using ultrahigh-toughness cementitious composite (UHTCC) at the hogging moment regions of long-span composite bridge decks is a new solution to the cracking issue. Composite degrees and the longitudinal reinforcement ratio have been suspected of influencing the flexural performance o...
Buckling-restrained steel plate shear wall (BRSPSW) is one kind of excellent energy dissipating member. The inner steel plate in BRSPSW usually works with high-order buckling modes to resist lateral force under the buckling restrained effect of outer restraining panels. However, current design of the restraining panels is commonly based on simplifi...
Double-corrugated-plate shear walls (DCPSWs) are shear-resistant and energy-dissipating members newly proposed for applications in medium- and high-rise building structures. In this study, experimental and finite element (FE) investigations were conducted on the DCPSWs. Four specimens were tested under cyclic shear loads, and each achieved a drift...
Multi-cellular concrete-filled steel tubular (CFST) columns have been widely used in frame structures for seismic resisting purposes. In this paper, the seismic performance of single-story composite frame structures, consisting of T-shaped multi-cellular CFST (TM-CFST) columns connected with steel beams, was investigated. Four specimens of the comp...
As an innovative steel-concrete composite wall, multi-celled concrete-filled steel tubular wall (MCFSTW) has been widely used in engineering practice. At present, research on the MCFSTWs mainly focuses on seismic performance, and studies on global buckling behavior are rarely reported. In this paper, an experimental and numerical study on the globa...
Multi-cellular L-shaped concrete-filled steel tubular (MCL-CFST) column is an improved L-shaped CFST column, which is composed of multiple rectangular steel tubes welded by U-shaped steel plates and then filled with concrete. The global stability capacity of MCL-CFST slender columns is vital for engineering applications. However, few investigations...
With the development of pre-fabricated composite structures, concrete filled steel tubular (CFST) columns have been widely used, and researches on T-shaped CFST slender columns have attracted much attention. Since ordinary T-shaped CFST columns have weak constraint on concrete at the sectional concave angle region and local buckling easily occurs i...
Compared with traditional buckling-restrained brace (BRB), the steel-angle-assembled buckling-restrained brace (SAA-BRB) is an innovative BRB with light-weight, accurate control of the geometrical dimensions, easy installation, and convenient disassembly. The SAA-BRB comprises an external restraining system and a cruciform-sectional inner core. Fou...
A Steel Corrugated-Plate Coupling Beam (SCPCB) formed by a steel corrugated plate and its boundary elements has found its application as a coupling beam connecting two adjacent shear walls on its two sides. As the most advantage, it could behave as both high lateral-resistant components and good energy dissipating devices even when a thin steel web...
Multi-celled concrete filled steel tubular walls (MCFSTWs) have been widely used in engineering practice. A high MCFSTW can be constructed by assembling two medium-height wall segments that are butt welded with the connector. At the connecting part between two wall segments, the connector, welding seams and steel plates of upper and lower wall segm...
Due to the excellent cracking prevention behavior of ultra-high toughness cementitious composite (UHTCC), the stud number and reinforcement ratio of composite bridge decks could be reduced, and hence the fatigue properties could be improved. In this study, a theoretical model was proposed to predict ultimate flexural capacity of steel-UHTCC composi...
Multi-celled corrugated-plate concrete-filled steel tubular (MC-CFST) member is an innovative type of composite member in engineering structures, which consists of steel corrugated plates with infilled concrete and concrete-filled steel tubes (CFSTs). In this paper, the flexural behavior of MC-CFST members was investigated through experimental, num...
Concrete-filled steel tubular (CFST) column has been widely used in engineering practice. In the process of assembling two columns to form a slender member, assembling errors (AE) are inevitably produced at the section of connection. When the AE are too large, the global buckling resistance of slender column would be significantly affected. Therefo...
Compared with traditional BRB, the steel-angles-assembled buckling-restrained brace (SAA-BRB) is an innovative BRB with light-weight, accurate control of the geometrical dimensions, easy installation and convenient disassembly. The SAA-BRB is composed of an external restraining system and a cruciform-sectional inner core. The external restraining s...
The concrete-filled wide rectangular steel tubular (CFWRST) column is attracting more and more attention in engineering practice. The aspect ratio of CFWRST section is normally 2.0–3.0, which exceeds the limitation in existing studies, being less than 2.0. The finite element (FE) analysis has been widely used in investigating behavior of the concre...
In recent years, the concrete-filled wide rectangular steel tubular (CFWRST) columns, whose cross-sectional width-to-depth ratio exceeds 2.0, is widely utilized in medium- and high-rise buildings. The global buckling behavior of CFWRST columns is of great concern in practical projects due to the multi-story fabrication and erection. In this paper,...
In recent years, the concrete-filled steel tubular (CFST) columns with large cross-sectional aspect ratios have been paid much attention for practical engineering applications. By installing bolts to connect opposite surfaces of the steel tubes in bolt-connected CFST columns, the axial resistant behavior of CFSTs with large cross-sectional aspect r...
Multi-celled concrete filled steel tubular wall (MCFSTW) is an innovative shear wall member which is formed by welding multiple U-shaped cold-form steels together and filled with concrete. The global buckling performance of composite walls is of great concern, especially with the increasing wall height in engineering practice. In this research, the...
Profiled double-skin composite walls (PDSCWs) consist of two profiled steel plates and infilled concrete, and they have been widely utilized with the development of prefabricated structure systems. By using re-entrant profiled sheets in PDSCWs, the stability performance of faceplates is greatly enhanced and almost no additional members are needed t...
In recent years, the concrete-filled narrow rectangular steel tube (CFNRST) has drawn much attention for practical engineering applications. Compared with the commonly used concrete-filled rectangular steel tube (CFRST), the cross-sectional aspect ratio (the ratio between widths of wider and narrower sides of the steel tube) of CFNRST is larger and...
Profiled steel sheets are widely used in composite wall systems to form profiled double-skin composite walls (PDSCWs), serving as structural components in low-and medium-rise building structures. By using the profiled faceplates with re-entrant corrugations, the trough regions not only form vertical ribs to enhance the stability performance of the...
This paper proposes a new stiffness-strength-relationship-based design approach that can pinpoint the target design solution for steel buckling-restrained braces (BRB). First, a stiffness-strength requirement interaction curve (the design criterion) with a very simple and easy-to-use form is derived based on a second-order analysis. This interactio...
This paper investigates the structural behaviour of stud shear connections in composite floors with various connector arrangements and profiled deck configurations. The numerical investigation adopts a number of advanced finite element models which have been carefully calibrated against standard push-out tests conducted by the authors. In order to...
This paper is concerned with the optimal (or least weight) design of steel buckling-restrained braces against global buckling. First, the global buckling prevention criterion of steel buckling-restrained braces (BRB) is reconstituted to take on a symmetric expression, i.e., (Pcr/Pu−1)[Mr/(v0Pu) −1] ≥ 1, so as to provide clarity on the equal importa...
An economic type of buckling-restrained braces (BRBs) to allow long spans and large capacities, the reduced-core-length BRBs (RCL-BRBs) are formed by sequentially assembling ordinary BRBs (yield portions) and ordinary braces (elastic portions) with high-strength bolts. This paper presents design recommendations for the global stability of the RCL-B...
Double-corrugated-plate shear wall (DCPSW), which is composed of two identical corrugated plates and assembled by connecting bolts, is an innovative type of lateral force resistant device for high-rise building structures. In this paper, the shear resistant behavior of the DCPSW is investigated via tests and additional finite element (FE) parametri...
Initial member imperfections play important roles in the second-order effect of structures, and thus it is helpful to find ways for engineers to easily model the member imperfections in the analysis. Based on the matrix structural analysis (MSA), this paper presents a method for the exact second-order solutions of imperfect frame structures, which...
The double-corrugated-plate shear wall (DCPSW) is composed of two identical corrugated plates that are assembled using connecting bolts. The DCPSW can exhibit much greater shear resistance than the ordinary steel corrugated plate shear wall (SCPSW) since the former forms a series of closed-sections while the latter is with open sections. In this pa...