Kaiming Bi

Kaiming Bi
Curtin University · School of Civil and Mechanical Engineering

PhD

About

160
Publications
71,922
Reads
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3,313
Citations
Citations since 2016
123 Research Items
3038 Citations
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
20162017201820192020202120220200400600800
Introduction
A PhD scholarship is available in my group. The candidate should be an Australian citizen or PR. The successful candidate will receive a stipend valued around $28,000 per annum (maximum 3.5 years). The candidate should have strong background in fluid dynamics with good skills in fluid-structure interaction modelling. If you are interested, please send your CV to kaiming.bi@curtin.edu.au
Additional affiliations
March 2014 - November 2016
Curtin University
Position
  • Lecturer
March 2012 - March 2014
University of Western Australia
Position
  • Lecturer

Publications

Publications (160)
Article
Damages to bridge piers were repeatedly observed in many previous strong earthquakes, resulting in disruptions to traffic and impairing the functionality of road network. Extensive studies have been carried out to improve the seismic resistance of bridge piers so as to enhance the seismic performances of bridge structures. In a recent study, an inn...
Article
This paper presents the dynamic response analyses of a special long-span cable-stayed bridge with the main span length of 680 (m) subjected to pulse-type ground motions. The 1/100 scaled shaking table test are developed herein to verify the accuracy and correctness of the 3D finite element (FE) model of the examined long-span cable-stayed bridge on...
Article
High-rise buildings may suffer severe damage or even collapse when subjected to excessive vibrations during earthquake excitations. Suppressing seismic induced vibrations is of great significance to ensure the safety of these high-rise structures. Many vibration control techniques have been proposed in the past decades, but certain inherent limitat...
Article
The unique stress wave mitigation capacity of meta-materials and meta-structures has been extensively investigated by many analytical studies but there has been very limited experimental verification on their favourable properties and performances, particularly the excellent stress wave mitigation of meta-panels. To address this research gap, the i...
Article
Precast segmental column has various advantages as compared to traditional cast in-situ monolithic column. The major issues of such column are the concrete compressive damages at the toes of the segments and limited energy dissipation due to the rocking mechanism. This study explores a new design of precast segmental column with damage resistant fe...
Article
Full-text available
Mortar-less construction with interlocking bricks has many advantages, such as improved construction efficiency and relatively low requirements on labour skills. Nevertheless, the seismic performance of interlocking brick structures is not well understood yet. In this paper, laboratory tests and numerical modelling are carried out to investigate th...
Article
Full-text available
Precast segmental columns are attracting more and more interests in the construction industry due to its many advantages such as minimized on-site construction activities, improved construction quality, and reduced residual displacement after a severe earthquake. In previous studies, precast segmental columns were normally constructed with ordinary...
Article
This study investigates the influence of design parameters on the impact mitigation capacity of a new meta-panel that leveraged the coupled mechanisms of plastic deformation and local resonance to absorb energy from impact loading. The main objective is to minimize the force to be transmitted to the protected structures through mitigating the stres...
Article
Full-text available
Prefabricated construction is attracting increasing interest in recent years, since this construction method has various advantages as compared to the cast-in-situ construction method, such as less construction time, higher quality control and reduced environmental impact. As a typical type of prefabricated structures, precast segmental column (PSC...
Article
This paper proposes a novel quasi-active negative stiffness damper (QANSD) for effective and robust seismic protection. By integrating the negative stiffness element and controllable damping element together, the proposed device enables to closely achieve active control performance with much less energy to operate compared to an active control syst...
Article
To mitigate shock wave propagation, a conventional engineered aggregate (EA) consisting of solid core coated with relatively soft material was designed to be tuned at targeted frequencies based on the local resonance mechanism. Previous studies demonstrated that metaconcrete consisting of conventional engineered aggregates (EAs) exhibited favourabl...
Article
Full-text available
The effect of triple helical grooves on the suppression of vortex-induced vibration (VIV) of a circular cylinder was investigated experimentally in a wind tunnel over Reynolds number in the range of 1 × 104 < Re < 4 × 104. It was found that the helical grooves were effective in suppressing VIV with the peak amplitude reduction of approximately 36%....
Article
Precast segmental columns have attracted wide attentions in bridge construction industry recently due to its ability to accelerate construction speed, improve construction quality and reduce environmental impact. It is of great practical importance to study the seismic performances of segmental columns, and many experimental and numerical studies h...
Article
Textured pipe has been proposed to improve the propagation buckling capacity of subsea pipelines recently. Due to its special geometry, textured pipe may have the potential to mitigate the vortex induced vibration (VIV) by altering the wake vortex street formation. In the present study, the effectiveness of using a full-diamond textured pipe for VI...
Article
Previous researches showed that column-in-column (CIC) system has a favorable performance on controlling the dynamic responses of structures subjected to earthquake ground excitations. However, no study has been conducted to directly assess the static behaviours of this system yet. Since the primary function of a structural column is to resist the...
Article
Tuned mass damper inerter (TMDI) has been proved to be a feasible device for vibration control of long-span bridges due to its excellent space performance. However, existing design method for TMDI is conducted mode-by-mode. When applied to multi-mode control of the bridge through multiple TMDIs, it cannot consider the synergistic effect among the T...
Article
Tuned mass damper inerter (TMDI) is a promising device for structural vibration control. Existing design formulas for TMDI are derived based on an undamped single‐degree‐of‐freedom primary structure. When applied to vortex‐induced vibration (VIV) control of bridges, it may lead to a suboptimal design of TMDI, since VIV is characterized by nonlinear...
Article
Full-text available
With the increment of cable length, long stay cables are prone to experience high-mode vortex-induced vibrations (VIVs) at normal wind velocities, and the VIV-prone mode range also becomes wider. Existing dampers cannot supply sufficient damping for such a wide range of high-modes. Inerter-based dampers (IBDs), which take advantage of the two-termi...
Article
A novel self-centering braced double-column rocking bent (SBRB) consisting of a double-column rocking bent and traditional or self-centering energy dissipation braces is developed analytically and numerically to enhance the seismic resilience. The analytical model of the SBRB is established, and numerical models of the SBRB are built to evaluate it...
Article
Recently, a sliding-type column-in-column (SCIC) system was proposed by the authors to reduce structural response using the TMD concept. The idea of the SCIC design is to split a column into an external and an internal column to form a nonconventional TMD system to control vibrations while not increasing the size nor compromising the load bearing a...
Article
Metaconcrete and meta-truss bar are a new type of material and structure with extraordinary characteristics that cannot be found in nature. Metamaterials/metastructures possess the ability to manipulate wave propagation in certain frequency ranges, termed as bandgaps. Application of metamaterials/metastructures for structural protection is differen...
Article
Recently, the authors explored the effectiveness of using an inerter-based device to mitigate pounding induced damage between two adjacent bridge structures, and the advantages of this system were illustrated by comparing its performances with the conventional viscous dampers. However, the seismic excitations at the supports of the adjacent bridge...
Article
Multiple vibration modes of an engineering structure might be excited by earthquake ground motions. Multiple tuned mass dampers (MTMDs) are widely used to control these multi-mode vibrations. However, in the commonly used MTMD system, the mass element in each tuned mass damper (TMD) is normally assumed to be the same. To improve the performance of...
Article
This study proposes replacing the spring and dashpot elements in the conventional tuned mass damper (TMD) by shape memory alloy (SMA) wires to form an SMA-based TMD to control the seismic responses of wind turbine tower. An equivalent linearization method is adopted to optimize the initial stiffness of SMA-based TMD by minimizing the root mean squa...
Article
Metaconcrete consisting of engineered resonant aggregates has been adopted to mitigate wave propagation and attenuate dynamic response due to its wave filtering characteristics. Resonant aggregates made of solid cores coated with a relatively soft material can be used to achieve designable attenuation performance. So far, the damping properties of...
Article
A new design is proposed for the meta-panel that consists of three components including two thin face-sheets bonded to meta-truss cores to enhance its blast resistance and energy absorption capacity. The meta-truss core comprising solid inclusions with coated soft layers exhibits exceptional wave-filtering properties by activating the local vibrati...
Article
Many civil and mechanical engineering structures can be simplified as double-beam systems, i.e., a primary beam and a secondary beam connected to the primary beam. Many studies have been reported in literature to investigate the vibration characteristics of double-beam systems. Those studies investigated the influences of boundary and connecting co...
Article
To enhance the re-centering capability of sliding-lead rubber bearing (sliding-LRB) comprising the sliding device and LRB in series and overcome the degradation of the widely used Nitinol (NiTi) wires at low temperatures, a novel copper aluminum beryllium wire-based sliding lead rubber bearing (CuAlBe-SLRB) is proposed for seismic protection of bri...
Article
Semi-submersible platforms (SSPs) may subject to excessive wave-induced vibrations, which should be effectively suppressed. In the past decades, some vibration control methods have been proposed and developed, such as the fixed heave plate (FHP) and tuned heave plate (THP). Recently, the authors proposed using inerter-based control device, i.e. rot...
Article
Metaconcrete contained engineered resonant aggregates has drawn much attention in recent years as it can mitigate vibration and stress wave propagation, which can potentially be used in construction for structure protection against impulsive loads. However, no experimental study on cement-based metaconcrete has been conducted to reveal the performa...
Article
Structural vibration control has received considerable research attentions in the past few decades, with special emphasis on developing effective, affordable and applicable control systems to protect the structures against natural or man-made hazards. In 2002, a two-terminal mechanical element, dubbed inerter, was proposed based on the force-curren...
Article
Many civil engineering structures are supported by tall slender columns, which are susceptible to seismic excitations. Inspired by the tuned mass damper (TMD) concept, these conventional columns are proposed to be divided into two parts in the present study, i.e. to form a column-in-column (CIC) system, to mitigate seismic induced vibrations of the...
Article
Full-text available
This paper proposes using a tuned inerter damper (TID) system to mitigate the potential pounding and unseating damages between the adjacent bridge structures under severe earthquakes. The control effectiveness of the proposed method is investigated both in the frequency and time domains. For comparison, the models and responses of the adjacent brid...
Article
Recently, many kinds of tuned inerter‐based dampers (TIDs) have been developed due to the mass amplification property of inerters. These devices normally present better control performances compared with the conventional tuned mass damper (TMD). For a single TID installed on a main structure, similar to the single TMD system, its control behavior i...
Article
Full-text available
For the structural response estimations of modular steel buildings, the shear, axial and moment-rotation behaviours of the inter-module connections are normally simplified and input into the overall numerical model. While linear models have traditionally been used for the simplification, they do not reflect the true non-linear responses of the conn...
Article
This paper focuses on the ductility demand of self-centering structures with flag-shaped (FS) hysteretic behavior under near-fault (NF) pulse-like ground motions. To this end, the general features of spectral regions for the NF pulse-like ground motion are first described. The effects of structural and ground motion characteristics on the ductility...
Article
This study proposes an analytically unprecedented model of a meta-lattice truss with local resonators to generate a broader low-frequency bandgap. By leveraging the mass-spring model, a new equivalent meta-unit cell considering the elastic shear springs is developed to accurately predict the performance of the meta-lattice truss in suppressing stre...
Article
Bridges may suffer large residual displacements after a severe earthquake, which significantly impedes the post-quake rescue activities. It is imperative to minimize the residual deformations of bridge structures. In the present study, a self-centering slip friction (SCSF) brace is developed to dissipate seismic energy and reduce the residual displ...
Article
A dual-meta panel functioning as a sacrificial cladding is proposed and its blast mitigation capacity is investigated in this study. The proposed panel possesses the potential to generate bandgaps that target at a specific range of frequencies to stop stress wave propagating through the panel, leading to the favourable stress wave mitigation for st...
Article
An inerter is a two-terminal mechanical device with the property of generating a resisting force that is proportional to the relative acceleration across its terminals. Due to its distinct mass amplification and negative stiffness effects, inerter has been applied to enhance the performance of conventional control systems, e.g. tuned mass damper (T...
Article
Tuned mass dampers (TMDs) are widely adopted to control the adverse vibrations of engineering structures. To further improve the effectiveness of TMD, inerter was introduced into TMD recently to form inerter-based TMD systems. Similar to TMD, inerter-based TMDs should be carefully designed (optimized) in order to get their best control performances...
Article
Full-text available
The new steel–concrete composite rigid-frame bridge (SCCRFB) with concrete-filled double skin steel tube (CFDST) piers has been verified showing superior seismic performance, and a promising structural solution for bridge constructions near or above active faults. Previous experimental and numerical studies revealed that the damages of this bridge...
Article
Full-text available
To effectively extract the vast wind resource, offshore wind turbines are designed with large rotor and slender tower, which makes them vulnerable to external vibration sources such as wind and wave loads. Substantial research efforts have been devoted to mitigate the unwanted vibrations of offshore wind turbines to ensure their serviceability and...
Article
Full-text available
Inter-module connections (IMCs) are the key component which transforms individual building modules into complete modular buildings. Structural design of these connections is, however, reported to be a major challenge, due to a lack of knowledge of the structural performance. Therefore, in this study, the structural behaviours of the newly proposed...
Article
Full-text available
When designing modular buildings, the structural behaviour of the inter-module connections (IMCs) must be simplified so they can be incorporated in the structural model. However, the existing models for the shear, axial and moment-rotation behaviour are limited, and further study is required to develop improved models. In this study, the shear, axi...
Article
Super-elastic shape memory alloys (SMAs) are widely used to mitigate seismic responses of engineering structures because of their self-centring and energy dissipation characteristics. However, the energy dissipation capacity of SMAs is limited when compared to other displacement-dependent dampers. In this paper, a novel deformation-amplified SMA-fr...
Article
To more effectively extract the vast wind energy in marine areas, offshore wind turbines have been constructed with slender tower and large rotor. External vibration sources such as aerodynamic, sea wave and seismic loadings can threaten the safety of these energy infrastructures. It is important to evaluate the reliability of offshore wind turbine...
Article
This paper develops an inerter-based vibration isolation system (IVIS) for heave motion mitigation of semi-submersible platforms (SSPs) subjected to sea waves. An analytical model of a classical SSP equipped with IVIS is first established and validated by comparing the heave response amplitude operator (RAO) with the previous experimental and numer...
Article
Full-text available
The composite rigid-frame bridge presented in this study is a new type of structural solution that combines the steel–concrete composite box girder and the concrete-filled double-skin steel tube (CFDST) piers with rigid connecting joints. Compared with the conventional prestressed concrete rigid-frame bridge, it shows superior static and dynamic pe...
Article
Full-text available
Despite the increasing popularity of modular buildings, there are relatively few published case studies considering the overall structural responses to wind and earthquake load. As a result, there is limited structural performance data for the overall behaviour of modular buildings, which in turn impedes the development of appropriate design standa...
Article
Wind energy as one of the renewable energies is serving as an indispensable role in generating new electric power. The worldwide installation of wind farms has considerably increased recently. To extract more wind resources, multi-megawatt wind turbines are usually designed and constructed with large rotors and slender tower. These flexible structu...
Article
The objective of this paper is to propose a novel fragility analysis method pertinent to the combination of the least squares support vector machine (LS-SVM) algorithm and JC method for the vulnerability estimation of deep-water high piers located in reservoirs under near-field ground motions. First, the uncertainties associated with the design par...
Article
Full-text available
It is well-known that the responses of a structure are different when subjected to a static load or a sudden step load. The dynamic amplification factor (DAF), which is defined as the ratio of the amplitude of the vibratory response to the static response, is normally used to depict the dynamic effect. For a single-degree-of-freedom system (SDOF) s...
Article
Semi-submersible platforms (SSPs) are widely applied for energy mining in the ocean. During its service life, SSP may be subjected to excessive heave and pitch motions induced by sea waves, which in turn may result in fatigue problems of structural components or even catastrophic capsizing of the platform. It is therefore important to mitigate the...
Article
This paper investigates the seismic performance of bridges installed with a sliding-lead rubber bearing (LRB) isolation system subjected to near-fault earthquakes. A three-span continuous bridge isolated with sliding-LRB system is used as an example. Nonlinear time history analyses are conducted to investigate the sensitivity effects of isolation p...
Article
Inerter‐based dampers (IBDs) have been proposed to enhance the efficiency of conventional tuned mass dampers (TMDs) in controlling wind‐induced vibration of civil structures recently. In this paper, four different IBDs, with each featuring a specific combination of dashpot–spring elements in series or in parallel with the inerter device, are applie...
Article
Full-text available
Bridges may suffer large residual displacements after strong earthquakes. These large residual displacements may increase the reinforcement cost and even lead to the collapse of the bridge. Various self-centering energy dissipation braces (SCEBs) have been proposed to be installed to the frames to reduce the adverse residual displacement, and exten...
Article
Bridges crossing fault are vulnerable to surface fault ruptures. Previous studies on this topic are limited especially for thrust faults. It is necessary to examine the performances of fault-crossing bridges subjected to earthquake-induced surface fault rupture. This study investigates the seismic behavior of a recently proposed steel-concrete comp...
Article
A compound passive vortex-induced vibration (VIV) control technique, namely the textured pipe-in-pipe (Textured-PIP) system, is introduced in the present study for VIV suppression. This novel system, which is modified from the conventional PIP, includes a smooth inner pipe to transport the natural resources and a textured outer pipe to protect the...
Article
Viscous dampers have been widely used for seismic mitigation of long-span double-tower cable-stayed bridges, and the effectiveness of seismic mitigation of cable-stayed bridges depends on the selection of dampers. Parametric analyses are necessary to determine the parameters of the viscous dampers. To determine the optimal parameters effectively, r...
Conference Paper
The sliding-lead rubber bearing is developed to accommodate the thermal-induced movements of the bridge superstructure. However, compared to the conventional lead rubber bearing, larger residual displacement can be introduced by the sliding-lead rubber bearing and the peak displacement also increases obviously under earthquake ground motions, which...
Article
Full-text available
In modular steel buildings the inter-module connections are key to the successful site installation of modules and the overall structural behaviour of the assembled building. The existing connection details such as site welding typically require external access during site install, which is not always possible or practical. Post-tensioned bolted st...
Article
Full-text available
To improve the constructability and performance of modular buildings, a number of inter-module connections have been developed, each with their own associated advantages and disadvantages. Interlocking inter-module connections have emerged as a promising type of improvement; however, it is not clear how to provide the required installation toleranc...
Article
This paper presents a multi-scale stochastic dynamic analysis method for offshore structures. The uncertainties in the structural material parameters, such as mass density and Young's modulus, are considered. They are assumed to be lognormal distributions and represented by using the Karhunen–Loeve (KL) and Polynomial Chaos (PC) expansions. Since t...
Conference Paper
Full-text available
Modular buildings, due to their deployable nature, are often installed in remote locations where they may be subjected to extreme loading. At the same time, the use of modular building is increasing due to the reported improvements in quality and reduction in waste which may be achieved through offsite fabrication. With these benefits the applicati...