Rigid frame
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Nonlinear modeling of temperature-induced bearing displacement of long-span single-pier rigid frame bridge based on DCNN-LSTM Open
Long-span single-pier rigid frame bridge may experience excessive bearing displacement under temperature variation, which can result in structural deformation or instability, causing significant engineering accidents and immeasurable losse…
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Deformation and failure of monolithic reinforced concrete frames under special actions Open
The results of experimental and theoretical studies of crack formation, deformation and failure of monolithic reinforced concrete frames under accidental action caused by the sudden removal of one of columns of the first floor. Experimenta…
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Deformation and Failure of a Monolithic Reinforced Concrete Frame under Accidental Actions Open
The results of experimental and theoretical studies of deformation and failure of monolithic reinforced concrete (RC) frames under accidental action caused by the sudden removal of one of the columns are suggested. Experimental studies hav…
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Seismic cracking mechanism and control for pre-stressed concrete box girders of continuous rigid-frame bridges: Miaoziping bridge in Wenchuan earthquake as an example Open
The box girder of the Miaoziping Bridge, a three-span prestressed concrete continuous rigid-frame bridge, suffered a serious crack in its box section’s web near the 1/6 to 1/2 length of the side span and the middle-span length of 1/4 to 3/…
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Experimental and Mathematical Study of Flexible–Rigid Rail Vehicle Riding Comfort and Safety Open
This paper analyses the dynamic behavior of a rail vehicle using experimental and simulation analysis on a multi-rigid–flex body model. The mathematical models are developed considering the car body, bogie frame, and wheel axle for rail ve…
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Optimal Design of Viscoelastic Dampers in Frame Structures considering Soil-Structure Interaction Effect Open
The seismic response control of multistory frame structures using optimally placed viscoelastic dampers (VEDs) within consideration of soil-structure interaction (SSI) effect is investigated in this paper. The system is assumed to be elast…
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Structural system identification by measurement error‐minimizing observability method Open
This is the accepted version of the following article: [Lei, J, Lozano‐Galant, JA, Xu, D, Turmo, J. Structural system identification by measurement error‐minimizing observability method. Struct Control Health Monit. 2019; 26:e2425. https:/…
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Local Stress Behavior of Post-Tensioned Prestressed Anchorage Zones in Continuous Rigid Frame Arch Railway Bridge Open
The concrete stress behavior and cause of cracking at the anchorage zones of top and bottom slabs of a post-tensioned prestressed concrete box beam were studied. Based on the complex stress distribution under local anchor problem for the Y…
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Directional and velocity control of active droplets using a rigid-frame Open
This paper introduces a novel directional control method of self-propelled oil droplets using an exoskeleton frame.
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Structure and modal analysis of carbon fiber reinforced polymer raft frame Open
This paper mainly studies the structure of a carbon fiber reinforced polymer floating raft frame and analyzes its vibration mode. A frame-based floating raft frame is designed, and two floating rafts which are made of carbon fiber reinforc…
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Parameter Identification of Structures with Different Connections Using Static Responses Open
This paper presents a parameter-identification method for rod structures with different connections. In this method, the parameters of the structure are adjusted to match its analytical and measured displacements. The damage identification…
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Reliability assessment of frame steel considering semi-rigid connections Open
Initial stiffness and moment resistance are two parameters that formed the hardness of the connection between columns and beams. This problem has been studied based on empirical of many authors in the world. In this research been used init…
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Research on Loading Scheme for Large-Scale Model Tests of Super-Long-Span Arch Bridge Open
A reasonable and efficient loading scheme is needed to guarantee the success of large-scale bridge tests. In this study, an array-type, self-balancing pulley-group loading system was designed based on the world’s largest spanning arch brid…
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Damage analysis of a reinforced concrete rigid-frame bridge under combined strong earthquake and wave action Open
The combination of strong earthquakes and wave action may pose risks to the safety of sea-crossing bridges during their service life, resulting in damage to the bridges. To investigate the damage evolution laws of reinforced concrete rigid…
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Numerical Study on Track–Bridge Interaction of Integral Railway Rigid-Frame Bridge Open
Track–bridge interaction (TBI) is an increasingly essential consideration for the design and operation of railway bridges, especially for the innovative bridge structure systems that constantly spring up over the years. This paper focuses …
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Seismic Behavior of a Bridge with New Composite Tall Piers under Near-Fault Ground Motion Conditions Open
Currently, the seismic designs of reinforced concrete (RC) bridges with tall piers are often accomplished following the ductility-based seismic design method. Though the collapses of the RC bridges with tall piers can be avoided, they are …
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3D Fiber‐Based Frame Element with Multiaxial Stress Interaction for RC Structures Open
A three‐dimensional fiber‐based frame element accounting for multiaxial stress conditions in reinforced concrete structures is presented. The element formulation relies on the classical Timoshenko beam theory combined with sectional fiber …
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Analysis of Non-Uniform Shrinkage Effect in Box Girder Sections for Long-Span Continuous Rigid Frame Bridge Open
To consider the effect of non-uniform shrinkage of box girder sections on the long-term deformations of continuous rigid frame bridges, and to improve the prediction accuracy of analysis in the design phase, this paper proposes a new simul…
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Evolution Law of Concrete Interface Stress of Rigid-Frame Arch under Construction and Its Impact on Ultimate Load-Bearing Capacity Open
To study the evolution of stress on the ring and segment interfaces during the construction process of the concrete encapsulation of the main arch ring in a rigid-frame arch bridge, alongside its impact on the ultimate load-bearing capacit…
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Cable Wrapping Phenomenon in Cable-Driven Parallel Manipulators Open
[abstFig src='/00280003/15.jpg' width=""300"" text='Cable wrapping phenomenon of cable robot' ] In the study of cable-driven parallel manipulators (CDPMs), the interference between the cable and the rigid link(s) of the mechanisms have gen…
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Experimental measurement of the porosity and the viscous tortuosity of rigid porous material in low frequency Open
In this paper, an acoustic method is presented for measuring the porosity and the viscous tortuosity of air-saturated-porous materials at low frequencies. The proposed method is based on a temporal model of the direct and inverse problem f…
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Seismic responses analysis of multi-story suspended floors system Open
One of the forefront of structural engineering is to realize the good resistance of building structure to earthquake loads. The performance philosophy of design structure has recently changed from preventing collapse to controlling the dam…
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Closed-form solutions for axially non-uniform Timoshenko beams and frames under static loading Open
This paper presents the Green's Functions Stiffness Method (GFSM) for solving linear elastic static problems in arbitrary axially non-uniform Timoshenko beams and frames subjected to general external loads and bending moments. The GFSM is …
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Investigation of seismic behavior of the reinforced concrete wall-frame system on a flexible bed Open
The effects of soil-structure interactions on the dynamic response of a series of reinforced concrete wall-frame buildings with regard to failure criteria and its specific substrate were studied. For modeling the concrete, the modified ver…
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A direct procedure for the seismic design of frame structures with added viscous dampers Open
A direct procedure for the seismic design of building structures with added viscous dampers is described in this paper. The procedure is applicable to regular multi-storey frame structures, which are characterized by a period of vibration …
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Effect of Cross-Frames on Load Distribution of Steel Bridges with Fractured Girder Open
In steel girder bridges, fracture of one girder may occur without noticeable bridge profile changes. It is critical to ensure that the bridge will have adequate capacity to prevent collapse until the next cycle of inspection discovers the …
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Long-Term Deflection Analysis of Large-Span Continuous Prestressed Concrete Rigid-Frame Bridges Based on a Refined Modeling Approach Open
Numerical modeling approaches are favored for performing long-term analyses of continuous prestressed concrete rigid-frame (CPCR) bridges due to the complexity and high cost of experimental testing on such structures. In this study, a refi…
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Research on the Pounding Response and Pounding Effect of a Continuous Rigid-Frame Bridge with Fabricated Super-High Piers Connected by Grouting Sleeves Open
The dynamic characteristics of a continuous rigid-frame bridge with fabricated super-high piers (CRFB-FSP) connected by grouting sleeves and adjacent continuous beam bridges (AB) are significantly different, and they are prone to pounding …
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Post Buckling Behavior of Prismatic Structural Steel Members with Semi Rigid Connections Open
In most designs of steel frames,beam-column connections are assumed either perfectly pinned or fully rigid. This assumption results in an incorrect estimation of the structural behavior of these frames. Practically, beam-column connections…
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Simplified Limp Frame Model for Application to Nanofiber Nonwovens (Selection of Dominant Biot Parameters) Open
This study aimed to discover an easy and precise prediction model for the acoustic properties of nanofiber nonwoven fabrics. For this purpose, a prediction model focusing on the two dominant parameters in the Limp frame model—bulk density …