In-plane flexible ring modeling and a nonlinear stiffness solution for heavy-load radial tires

Zhihao, Liu; Liu, Yi‐Xun; Gao, Qing

doi:10.1016/j.ymssp.2022.108956

Cited by 7 publications

(4 citation statements)

References 20 publications

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“…The stiffness characteristics and contact characteristics are important aspects in the study of the mechanical characteristics of tires, which have direct effects on vehicle controllability, driving comfort, and rolling resistance. The analysis of the mechanical characteristics of the tire is the basis of tire dynamics research and design optimization [41,42]. According to the introduction of SIR cross-section design parameters, the mechanical characteristics of different design schemes are investigated.…”

Section: Effect Of Sir Design Parameters On the Mechanical Characteri...mentioning

confidence: 99%

Study on the Effect of Different Design Parameters of Sidewall Insert Rubber on the Mechanical Characteristics of Self-Supporting Run-Flat Tires

Lv,

Zang,

Xue

et al. 2023

Lubricants

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Self-supporting run-flat tires (SSRFTs) achieve good zero-pressure driving ability by reinforcing the sidewalls, and the structural shape of sidewall insert rubber (SIR) is critical in influencing the mechanical characteristics of SSRFTs. In this paper, an SSRFT contour model is established by combining the radial tire contour theory and the design elements of SIR. The influence of two design parameters (maximum width L and maximum thickness H) of SIR on the tire stiffness characteristics and the contact characteristics is analyzed in depth, and the accuracy of the model is verified by the tire mechanics bench test. The results show that the radial stiffness of SSRFTs is positively correlated with two design parameters; an increase in L affects the stress concentration at the end of SIR, while a change in H has a more drastic effect on the stress distribution of SIR, leading to a large change in both the location of the deformation of SIR and the maximum equivalent stress; under rated pressure conditions, when L is less than 100 mm, the overlap between SIR and the tread decreases, which in turn makes the contact characteristics of SSRFTs closer to that of a normal tire, and obtains better comfort and abrasion resistance; under zero-pressure conditions, the maximum contact stress of the tread is the smallest when the H is 8 mm, but when H is less than 6 mm, the contact characteristics appear to deteriorate uniformly, and the maximum contact stress continues to rise. The results of the research provide a reference value for the selection of the design parameters for SIR and the optimization of the dynamic performance of SSRFTs.

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Section: Effect Of Sir Design Parameters On the Mechanical Characteri...mentioning

confidence: 99%

Study on the Effect of Different Design Parameters of Sidewall Insert Rubber on the Mechanical Characteristics of Self-Supporting Run-Flat Tires

Lv,

Zang,

Xue

et al. 2023

Lubricants

View full text Add to dashboard Cite

show abstract

“…So, the calculated 6:00 am pavement structure temperature field was imported in ABAQUS as an unfavorable temperature condition. A 100 kN two-wheel axle load was applied as the vehicle load, and a single wheel was simplified as a three-dimensional non-uniform semi-sinusoidal load, as shown in Figure 3 [25][26][27][28]. Pi (i = 1, 2, 3) was the compressive stress on each wheel path that ran parallel to the normal direction of the pavement.…”

Section: Establishment Of Thermal-mechanical Coupling Load Modelmentioning

confidence: 99%

“…q i (i = 1, 2, 3) was the transverse horizontal force perpendicular to the normal direction of the road, and f i (i=1, 2, 3) was the frictional force opposite to the driving direction on each wheel path. A 100 kN two-wheel axle load was applied as the vehicle load, and a single wheel was simplified as a three-dimensional non-uniform semi-sinusoidal load, as shown in Figure 3 [25][26][27][28]. Pi (i = 1, 2, 3) was the compressive stress on each wheel path that ran parallel to the normal direction of the pavement.…”

Section: Establishment Of Thermal-mechanical Coupling Load Modelmentioning

confidence: 99%

Asphalt Layer Cracking Behavior and Thickness Control of Continuously Reinforced Concrete and Asphalt Concrete Composite Pavement

Sun

et al. 2022

Buildings

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Based on thermal–mechanical coupling simulation analysis and physical engineering tracking observation, the mechanical behavior and response of a continuously reinforced concrete and asphalt concrete (CRC + AC) composite pavement layer were analyzed, and the causes of cracking on the surface and bottom of the asphalt layer were revealed. Studies have shown that under normal driving conditions, the AC layer, which is usually in the position of the wheel load gap and wheel load side, more easily generates a longitudinal “corresponding crack”. Compared to normal driving, longitudinal cracks are generated more easily inside of the curve, and transverse cracks occur more easily on poor stadia curves. When the AC layer thickness is less than 8 cm, the AC layer is more prone to bottom-up cracking, and it is more prone to top-down cracking when it is more than 8 cm thick. Comprehensively considering the tensile stress, shear stress, and the thickness of the AC layer, it is recommended that the suitable thickness range of the AC layer is 8 cm~14 cm. The calculated results show good agreement with the physical engineering investigation. The research results can provide a theoretical and scientific basis for cracking control and the rational design of a CRC + AC composite pavement layer.

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“…There is a growing interest in improving the durability and safety of tires. Due to advantageous properties [ 1 , 2 , 3 ] that include high elasticity, compression strength and good wear resistance, all-steel radial tire (ASRT) composites offer a huge alternative to conventional tire composites and are now widely used in heavy goods vehicles [ 4 , 5 ]. However, as the only part of the vehicle makes contact with the ground, the ASRT composites require sufficient mechanical properties to fulfill their function [ 6 ] and may be exposed to the hydrothermal environment.…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Aging Mechanisms of All-Steel Radial Tire Composites

Jiang

Zhang

et al. 2022

Polymers

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This work focused on the effects of the hydrothermal environment on the aging of all-steel radial tire (ASRT) composites. Composite specimens were conditioned by immersion in deionized water at 30, 60 and 90 °C. Its water absorption, thermal and mechanical properties (tensile strength, elasticity modulus, elongation at break and interfacial shear strength), morphological structure, as well as molecular cross-linking reaction were investigated before and after aging. Results indicated that there was no dynamic equilibrium of water absorption of ASRT composites after deviating from the Fickian model. The molecular cross-linking density of the rubber matrix showed an increase in the early stage of aging. Then, the mechanical properties suffered of a drop due to the degradation of the rubber matrix and the poor interface between the steel fiber and rubber matrix. Additionally, a systematic hygrothermal aging mechanism was proposed.

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In-plane flexible ring modeling and a nonlinear stiffness solution for heavy-load radial tires

Cited by 7 publications

References 20 publications

Study on the Effect of Different Design Parameters of Sidewall Insert Rubber on the Mechanical Characteristics of Self-Supporting Run-Flat Tires

Study on the Effect of Different Design Parameters of Sidewall Insert Rubber on the Mechanical Characteristics of Self-Supporting Run-Flat Tires

Asphalt Layer Cracking Behavior and Thickness Control of Continuously Reinforced Concrete and Asphalt Concrete Composite Pavement

Hydrothermal Aging Mechanisms of All-Steel Radial Tire Composites

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