Counter-intuitive collapse of single-layer reticulated domes subject to interior blast loading

Ma, Jialu; Fan, Feng; Wu, Chengqing; Zhi, Xu

doi:10.1016/j.tws.2015.08.001

Cited by 28 publications

(13 citation statements)

References 21 publications

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“…The maximun deflection of UB model (the black curve) was much smaller than that of CB model (the blue and red curves), and springback response occurring after maximum deflection in the UB loading. The springback phenominon is called "counterintuitive behaviour" which are studied by several scholars [37][38][39], their works show that the plates or shells can even reach a final deflection in a direction opposite to the direction of the pulsive loads in specific loading conditions. The results in Fig.…”

Section: Results and Correlationmentioning

confidence: 99%

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

Yao¹,

Zhao²,

Zhang³

et al. 2020

Preprint

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Defensive structure is important in transportation field for kinds of intentional or unintentional explosion. Structures subjected to unconfined and confined explosion will bear different blast loads and their dynamic responses are different. The present work focus on the dynamic response mechanism of steel plate under unconfined and confined blast loads through both numerical and experimental studies. In the experiment, Digital Image Correlation (DIC) technique was applied to record and analyze the dynamic response process of large-scale field blast test. The DIC measured curve and the numerical calculated curves agrees well in both the trends and the peak values. Then, the dynamic response mechanism of steel plate under unconfined blast (UB) load and confined blast (CB) load were compared and discussed. Results show that the dynamic response of plate can be divided into three phases under both UB and CB loads, while with different mechanism. In phase I, plastic hinge starts from the center and moves to the boundary in UB condition, while in case of CB, plastic hinge occurs close to the boundary and moves in the opposite direction. In phase II, two plastic hinge lines propagates towards each other, and a platform exists between the boundary and the central area remains undeformed in UB condition, while in CB condition, larger deformation in peripheral region rather than central area produces.

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Section: Results and Correlationmentioning

confidence: 99%

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

Yao¹,

Zhao²,

Zhang³

et al. 2020

Preprint

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show abstract

“…To calculate the axial forces and the bending moments in the integrals (15), it can proceed with the following manner: assuming that the hypotheses of Kirchhoff hold, the axial deformation can be found from the below formula:…”

Section: Galerkin's Methodsmentioning

confidence: 99%

“…Having employed the law of thermodynamics and the theorem of Lyapunov instability, Zhao et al [14] investigated the counter-intuitive phenomena of elastic, perfectly circular and square plates. Ma et al [15] employed the commercial finite element package, LS-DYNA, to simulate the counter-intuitive response of a single-layer reticulated dome which was initially stressed by static preloading to an interior blast.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of the counterintuitive dynamic behavior of the elastic-plastic fully-clamped beams under impulsive loading

Alizadeh¹,

Shirazi²,

Moradi³

et al. 2017

mech

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“…Lin et al investigated the effects of size and material properties of the impact body on the damage modes of single-layer Kiewit-8 reticulated domes using 3D numerical simulations [12]. Ma et al investigated dynamic response, failure modes, and failure mechanisms of single-layer reticulated domes subjected to interior blast loading [13] and established a precise and simple model to predict blast loading in these structures [14]. Lin et al [15] studied the dynamic response of a single-layer Kiewit-8 reticulated dome subjected to small airplane crash.…”

Section: Introductionmentioning

confidence: 99%

Failure Modes of a Reticulated Dome in a Small Airplane Crash

Ren

Minyuan

et al. 2019

Advances in Civil Engineering

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Since the 9/11 incident, many engineering research works have been conducted on the impact resistance of large-span space structures. In the present study, a small airplane, Bombardier Challenger 850, was chosen as the test subject. An airplane crash on a single-layered Kiewitt-8 reticulated dome with span 60 m considering roof sheathing effect was simulated using ANSYS/LS-DYNA software. The principles of establishing the numerical model of small airplanes were determined. In addition, the impact styles of small airplane and impact positions on the dome were investigated. The failure modes of reticulated dome with roof sheathing due to small airplane crash were identified. Furthermore, the failure modes between reticulated domes with and without roof sheathing were compared and the effect of roof sheathing on the failure modes of reticulated dome under a small airplane crash was investigated.

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Counter-intuitive collapse of single-layer reticulated domes subject to interior blast loading

Cited by 28 publications

References 21 publications

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

Dynamic Response Mechanism of Thin-Walled Metallic Defensive Structure from Explosion in Transportation

Numerical analysis of the counterintuitive dynamic behavior of the elastic-plastic fully-clamped beams under impulsive loading

Failure Modes of a Reticulated Dome in a Small Airplane Crash

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