Bond–Slip Mechanism of Rammed Earth–Timber Joints in Chinese Hakka Tulou Buildings

2021 ◽  
Vol 147 (5) ◽  
pp. 04021037 ◽  
Author(s):  
Yi Luo ◽  
Haopeng Zhong ◽  
Nan Ding ◽  
Pengpeng Ni ◽  
Yuye Xu ◽  
...  
Keyword(s):  
Rammed Earth ◽  
Bond Slip ◽  
Slip Mechanism ◽  
Timber Joints

Experimental Study on Bond-Slip Constitutive Relation between CFL and Concrete

2013 ◽  
Vol 302 ◽  
pp. 359-364
Author(s):  
X.H. Zheng ◽  
P.Y. Huang ◽  
X.Y. Guo ◽  
Q. Han
Keyword(s):  
Constitutive Relation ◽  
Displacement Sensor ◽  
Key Factors ◽  
Bond Slip ◽  
Factors Affecting ◽  
Slip Mechanism ◽  
Double Shear ◽  
Carbon Fiber Laminate ◽  
Externally Bonded ◽  
Longitudinal Strains

Externally bonded reinforcing technique with fiber reinforced polymer (FRP) has been widely used in civil engineering. The performance of the interface between FRP and concrete is one of the key factors affecting the behavior of the strengthened structures. This paper presents a detailed study on the bond-slip mechanism between carbon fiber laminate (CFL) and concrete based on double-shear tests. 8 specimens with different bonded length and width of CFL were tested under static loading. Strain gauges along the CFL face and displacement sensor were used to measure longitudinal strains and slip of the interface. The bond-slip constitutive relation of the interface between CFL and concrete was analyzed with the testing results. Compared with four different bond-slip models, a shear stress-slip model was proposed based on the experimental data.

Numerical Study of Bond – Slip Mechanism in Advanced Externally Bonded Strengthening Composites

2018 ◽  
Vol 22 (11) ◽  
pp. 4509-4518 ◽  
Author(s):  
Hashem Jahangir ◽  
Mohammad Reza Esfahani
Keyword(s):  
Numerical Study ◽  
Bond Slip ◽  
Slip Mechanism ◽  
Externally Bonded

Energy dissipation of rammed earth-timber joints under cyclic loading

2021 ◽  
Vol 145 ◽  
pp. 106728
Author(s):  
Yi Luo ◽  
Peisong Zhou ◽  
Huihuan Ma ◽  
Pengpeng Ni ◽  
Nan Ding ◽  
...  
Keyword(s):  
Energy Dissipation ◽  
Cyclic Loading ◽  
Rammed Earth ◽  
Timber Joints

A comprehensive nonlinear finite element modelling and parametric analysis of reinforced concrete beams

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Pandimani Pandimani ◽  
Markandeya Raju Ponnada ◽  
Yesuratnam Geddada
Keyword(s):  
Experimental Data ◽  
Finite Element ◽  
Reinforced Concrete ◽  
Ultimate Load ◽  
Fe Analysis ◽  
Fe Model ◽  
Rc Beams ◽  
Content Type ◽  
Bond Slip ◽  
Slip Mechanism

Purpose This study aims to present comprehensive nonlinear material modelling techniques and simulations of reinforced concrete (RC) beams subjected to short-term monotonic static load using the robust and reliable general-purpose finite element (FE) software ANSYS. A parametric study is carried out to analyse the flexural and ductility behaviour of RC beams under various influencing parameters. Design/methodology/approach To develop and validate the numerical FE models, a total of four experimentally tested simply supported RC beams are taken from the available literature and two beams are selected from each author. The concrete, steel reinforcements, bond-slip mechanism, loading and supporting plates are modelled using SOLID65, LINK180, COMBIN39 and SOLID185 elements, respectively. The validated models are then used to conduct parametric FE analysis to investigate the effect of concrete compressive strength, percentage of tensile reinforcement, compression reinforcement ratio, transverse shear reinforcement, bond-slip mechanism, concrete compressive stress-strain constitutive models, beam symmetry and varying overall depth of beam on the ultimate load-carrying capacity and ductility behaviour of RC beams. Findings The developed three-dimensional FE models can able to capture the load and midspan deflections at critical points, the accurate yield point of steel reinforcements, the formation of initial and progressive concrete crack patterns and the complete load-deflection curves of RC beams up to ultimate failure. From the numerical results, it can be concluded that the FE model considering the bond-slip effect with Thorenfeldt’s concrete compressive stress-strain model exhibits a better correlation with the experimental data. Originality/value The ultimate load and deflection results of validated FE models show a maximum deviation of less than 10% and 15%, respectively, as compared to the experimental results. The developed model is also capable of capturing concrete failure modes accurately. Overall, the FE analysis results were found quite acceptable and compared well with the experimental data at all loading stages. It is suggested that the proposed FE model is a practical and reliable tool for analyzing the flexural behaviour of RC members and can be used for performing parametric studies.

Modelling of glued laminated timber joints with glued-in rod considering bond-slip location function

2018 ◽  
Vol 176 ◽  
pp. 90-102 ◽  
Author(s):  
Zhibin Ling ◽  
Weiqing Liu ◽  
Huifeng Yang ◽  
Xin Chen
Keyword(s):  
Bond Slip ◽  
Glued Laminated Timber ◽  
Timber Joints ◽  
Location Function

Dynamic Thermal Properties of Uninsulated Rammed Earth Envelopes

2015 ◽  
Vol 10 (1) ◽  
pp. 103-112
Author(s):  
Clayton Stone ◽  
Dusan Katunsky
Keyword(s):  
Thermal Properties ◽  
Rammed Earth
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