Abstract: To enable the fuzzy evaluation of the bridge reinforcement scheme to be more reliable and solve the problem that the fuzzy process of the evaluation index was too simplistic and the analytic hierarchy process(AHP)had a strong subjectivity when determining the weight of the evaluation index in the ex...
Abstract: To master the laws of time-varying temperature fields of maglev girders generated by long-term environmental loading, thermal sensors were installed on a concrete guideway girder in the Changsha Maglev Express. By performing up to 1.5 a of site monitoring, the time-history curve of points was obtain...
Abstract: Scour is one of the key causes of bridge failures. This paper presents a comprehensive review of the current research on scour at bridge foundations from five aspects: mechanism, calculation, modelling, monitoring and countermeasures, load and deformation. Based on the mechanism of scour around brid...
Abstract: Investigations on the nonlinear motion-induced force acting on a rectangular cylinder with aspect ratio 5∶1, which is significant in the analysis of nonlinear aeroelastic behaviour for bluff sections, are part of fundamental and cutting-edge research on bluff body aerodynamics. Combined with surface...
Abstract: To investigate the fatigue crack growth characteristics and establish a fatigue life evaluation method for rib-to-deck (RTD) welded joints in orthotropic steel decks (OSDs), the influence of different simulation methods of fatigue crack propagation and material properties were considered. The OSD un...
Abstract: Detailed texture mapping methods for building 3D models normally select the best matching image for each single face. However, face associated single images often have partial occlusion problems that impact the quality of mapped textures. An accurate multi-view image texture mapping method based on ...
Abstract: In order to explore the features, formation and evolution process of the Qiaojia Basin, detailed field investigation was carried out. Firstly, based on the investigation, the basic geological background conditions of the study area and the sedimentary characteristics of the basin surface were master...
Abstract: To explore the potential effect and advantage of near-field high rate GPS data on the real-time inversion of seismic characteristics of large earthquakes, 16 high rate GPS sites, affected by the 2015 Mw 7.8 Nepal earthquake, were utilized independently. The kinematic GPS data processing method, real...
Abstract: To reduce the vibration of a cross-line station induced by long heavy trains and improve its comfort and safety, the vibration responses of a long-span elevated railway station waiting room floor slab were studied with measured data and finite element methods. The vibration level was evaluated by 1/...
Abstract: The 2015 Ms8.1 Gorkha earthquake in Nepal caused severe damage to local dwellings in Northern Nepal. Compared with brick-wood buildings, stone masonry, or adobe structures, owner-built reinforced concrete (RC) frame structures with masonry infills, which are commonly seen in both urban and rural are...
Abstract: To investigate the influence of cementing materials on the fatigue performance of concretes, the flexural fatigue performance of concretes prepared with low-heat Portland cement and ordinary Portland cement at different stresses was studied by a four-point bending fatigue test method. Additionally, ...
Abstract: Analysis and design of transmission tower is normally performed considering fixed base, however, in most cases, the foundations are not rigid. In this study, a simplified calculation model of transmission tower-line system was developed with consideration of the soil-structure interaction (SSI), and...
Abstract: This study investigated the wave attenuation and wave forces acting on the monopile due to porosity characteristics of the seabed. A three-dimensional numerical analysis model of wave-porous seabed-monopile-interactions is established, in which the modified Reynolds-averaged Navier-Stokes (RANS) equ...
Abstract: In order to solve the problem that the existing design methods do not consider the frictional effect of the horizontal reinforcement, and the deformation of the railway surface was underestimated, the load mechanism for railway karst subgrade reinforced by horizontal geosynthetic reinforcement was s...
Abstract: Accurate control of relative density (Dr) in saturated pluviation method is the fundamental requirement for low relative density sample preparation of dynamic centrifuge liquefaction tests. To achieve an evaluation method on pluviation stability, a set of duckbill pluviator which fits saturated mode...
Abstract: To study the influence of longitudinal connection forming process of track structure on track slab cracks, a 1/4 unit track slab separate model was established, and the crack problems were analysed. By studying the track structure longitudinal connection forming process, Ⅱslab was found to have uniq...
Abstract: In order to study the basic mechanical properties of the self-compacting recycled aggregate concrete(SCRAC), the cubic compressive strength test, the axial compressive strength test, the splitting tensile strength test, and the elastic modulus test were carried out. The failure process and the failu...
Abstract: The compressive strength of magnesium oxychloride cement concrete in western regions of China was studied. The adaptability of the Taguchi method in mix proportion design of concrete was also studied. The effects on the compressive strength of magnesium oxychloride cement concrete were studied utili...
Abstract: Frequent tire changes caused by running tire abrasion play an important role in affecting the cost of monorails. For rapid assessing the partial wear state of monorail vehicle running wheels on the different vehicle design, the factor analysis method was adopted to study the 10 evaluation indices th...
Abstract: In order to investigate the effect of Ca content on the fatigue properties of magnesium alloys, the ultra-high cycle fatigue tests were carried out for two AMCa magnesium alloys using a rotating bending fatigue machine. The fracture morphologies of the fatigue specimens were observed by using scanni...
Abstract: To effectively repair an urban agglomeration passenger traffic network under attack and restore network function in time, an optimization method of network reliability restoration was studied. Firstly, the characteristics of an urban agglomeration passenger traffic network were explored, and the sit...
Abstract: To further explore and promote the role and value of coaching technology in supporting the coordinated development of individual life system, and to further support the development of life system, this study applies the scientific concept of system theory and the overall perspective to analyze and r...
Abstract: To realize both location and quantity optimization, a method of optimal sensor placement based on a frequency response function is proposed. First, the structure modal analysis was conducted and mode shapes were extracted, and the frequency response function of the structure was calculated. Then, ba...
Abstract: To solve the problem of a word having multiple meanings in the natural language processing (NLP) field, a semi-supervised disambiguation method, that uses a range of word sense disambiguation (WSD) models and linguistic knowledge has been proposed in this paper. First, words, parts of speech and tra...
Abstract: The detection of lane lines in an adverse environments is a complex and popular topic in both assisted safe driving and intelligent vehicle research. An optical polarization theory was introduced into traditional lane detection technology, aimed at external adverse road environments. In addition, a ...
Abstract: To enhance the security of image data, the incorporation of a chaotic system with quantum image encryption was proposed. Bitwise XOR operation was performed on a test image by applying the Chen chaotic system, and the obtained colour image was expressed as a quantum superposition state. The unitary ...
Abstract: To improve solving efficiency for SAT (boolean satisfiability) problems, a combination of genetic algorithm (GA) with local search algorithm (LSA) on the OpenMP (open multi-processing) framework was proposed. This combination improved the selection algorithm in the hybrid genetic algorithm (HGA) and...
Abstract: The computation precision, computation time, and the loss of system information of the type-reduction process have a great influence on the performance of type-2 fuzzy logic systems. In this paper, the basic concept of type-2 fuzzy sets and the computation process of type-2 fuzzy logic systems are b...