Feng Fu

Institution of Civil Engineers

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Kai Qian

Guilin University of Technology

You-Fu Yang

Dalian University of Technology

Bin Cai

Jilin Jianzhu University

Shan Gao

Yanshan University

Xiao‐Fang Deng

Guilin University of Technology

Dennis Lam

University of Bradford

Lanhui Guo

Harbin Institute of Technology

Shi-Lin Liang

Hohai University

Jianqiao Ye

Lancaster University

Ji‐Jiang Wang

Yan'an University

Cooperative Institutions

Guilin University of Technology

Chinese Academy of Sciences

Chinese Academy of Forestry

Research Institute of Wood Industry

Harbin Institute of Technology

Ministry of Education of the People's Republic of China

Jilin Jianzhu University

Southwest Jiaotong University

Southeast University

Tongji University

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Molecular-Level Characterization of Changes in the Mechanical Properties of Wood in Response to Thermal Treatment

Research Square (Research Square) (2021)

Dong Wang Feng Fu Lanying Lin

Abstract Thermal treatment can improve the dimensional stability of wood, but it also decreases wood’s stiffness and increases its brittleness. In this paper, combining FTIR spectroscopy and mechanical analysis was used to in-situ study the molecular-level responses to stresses and analyze mechanical interactions among components in thermally-treated wood. For both untreated and treated woods, the cellulose was the longitudinal tensile load-bearing component of wood, but the lignin participated in the load transfer in the fiber direction. Moreover, the FTIR results indicated that hemicellulose degradation, as the interface between cellulose and lignin, decreased shear slipping between microfibrils. The interfacial material degradation also caused the wood’s stiffness and mechanical responses of the matrix along the cell transverse direction decrease. Upon increasing the heat treatment intensity, the cellulose microfibrils rearranged along the cell axis, resulting in the ability of the cell wall to resist deformation and the wood’s stiffness being increased.

Hemicellulose

Thermal Stability

Degradation

Brittleness

10.21203/rs.3.rs-882939/v1

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Citations (1)

Numerical studies on dynamic behavior of tubular T-joint subjected to impact loading

International Journal of Impact Engineering (2014)

Hui Qu Jingsi Huo Chao Xu Feng Fu

Hammer

Failure mechanism

Impact

Progressive Collapse

Impact resistance

10.1016/j.ijimpeng.2014.01.002

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Citations (53)

Progressive collapse resistance of precast concrete beam-column sub-assemblages with high-performance dry connections

Engineering Structures (2019)

Kai Qian Shi-Lin Liang Feng Fu Qin Fang

Precast concrete

Progressive Collapse

Catenary

10.1016/j.engstruct.2019.109552

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Citations (65)

The Behavior of Post-installed Rebar Connectors in Steel Frame Retrofitted Concrete Structures Under Combined Shear and Tension

International Journal of Concrete Structures and Materials (2024)

Rong Zeng Enhe Bao Yin Xia Feng Fu

Rebar

Structural material

Tension (geology)

10.1186/s40069-024-00700-0

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Citations (0)

Experimental study on semi-rigid composite joints with steel beams and precast hollowcore slabs

Journal of Constructional Steel Research (2006)

Feng Fu Dennis Lam

Precast concrete

Slab

Full scale

Composite construction

10.1016/j.jcsr.2005.11.013

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Citations (41)

CCDC 932923: Experimental Crystal Structure Determination

The Cambridge Structural Database (2013)

Xiang-Yang Hou Feng Fu Ji‐Jiang Wang Long Tang Jia Cao

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/cc109s9d

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Citations (0)

Fire performance of non-load-bearing light-gauge slotted steel stud walls

Journal of Constructional Steel Research (2017)

Faqi Liu Feng Fu Yuyin Wang Qiang Liu

Spall

Fire test

Fire performance

10.1016/j.jcsr.2017.06.034

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Citations (18)

Experimental Research on the Failure Mechanism of Foam Concrete with C-Channel Embedment

Computers and Concrete, an International Journal (2017)

Dianzhong Liu Fayu Wang Feng Fu He Wang

An experimental investigation is carried out on the failure mechanism of foam concrete with cold formed steel double C-Channels embedment. The foam concrete is made of cement and fly ash with a compressive strength between 9 and 24 MPa with different densities. Forty-eight tests have been carried out in four groups of specimens with various embedment depths of the steel in the concrete. Four modes of failure are observed, which include the independent failure of the C-Channels with and without a concrete block inside the channel as well as the combined failure of the two channels, and the failure of the extrusion block. A theoretical model has been developed to understand the failure process. The peak compressive force applied onto the C-Channels that causes failure is calculated. It is concluded that the failure involves independent slippage between two C-Channels, and the steel and the foam concrete blocks inside the C-Channels. A method to calculate the peak force is also developed based on the test results. The calculations also show that the shear strength of the foam concrete is about 8% of the compressive strength with  coefficient of 0.4 between the steel and concrete.

Embedment

Slippage

Foam concrete

Failure mechanism

Shear Strength

Interlocking

10.12989/cac.2017.20.3.263

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Citations (3)

Hysteretic Behavior and Multi-Wave Buckling of Assembled Buckling-Restrained Braces Wrapped with Fiber Clothes

International Journal of Structural Stability and Dynamics (2022)

HE Jin-zhou Mingming Jia Shan Gao Wufeng Li Dagang Lü

To rapidly repair the damaged buckling-restrained brace serving as energy absorption member during earthquake, the assembled method of wrapping the component with FRP cloth is proposed. In this research, a series of cyclic tests on six assembled buckling-restrained brace (ABRB) wrapped with three kinds of FRPs (carbon fiber, glass fiber and basalt fiber) were performed. The tested results show that all the specimens show excellent hysteretic performance and similar damage mode, namely core unit fracture, whilst short specimens show better ductility, but worse energy dissipation ability than the long specimen. A parametric analysis is performed based on a finite element model validated against the test result. The effects of the gap and friction force between core unit and infilled concrete and the thickness of FRP cloth are analyzed. The modes of multi-wave buckling of core units are exhibited, and the influence of multi-wave buckling on component performance is evaluated. Based on the test and simulation analysis, CFRP is suggested to be used in the wrapped buckling-restrained brace.

Ductility (Earth science)

10.1142/s0219455422400041

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Citations (2)

Progressive collapse analysis of high-rise building with 3-D finite element modeling method

Journal of Constructional Steel Research (2009)

Feng Fu

Progressive Collapse

10.1016/j.jcsr.2009.02.001

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Citations (221)