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- W2050874220 startingPage "1023" @default.
- W2050874220 abstract "This paper bases on the prototype of the actual shed tunnel structure, study on contact force, displacement, damage, energy of shed tunnel under impact of rock-fall. By ABAQUS finite element software to simulate the process of roll-fall impact knowable: Rock-fall at different speeds and incident angle shocks on shed tunnel has great influence to concrete protective structure of contact force and displacement; Concrete protective structure damage the worst hit area of occurred with roll-fall contact area, the second is inclined leg column top and in connection with the pillars of the beam damage is also very serious, In practical projects first should pay attention to strengthen the intensity of the pillars with beam joints and prevent damage; From the angle of energy we can see that shed tunnel is mainly through the concrete protective structure to absorb and consumption impact energy, soil cushion absorption and consumption impact energy is very limited, to alleviate the impact of concrete protective layer rolling damage, and suggestions in shed tunnel bearing place additional energy shock absorber to increases protection structure system soft degrees under the condition of minimize the shed tunnel weight, achieve the purpose of decrease shock energy." @default.
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- W2050874220 date "2011-09-01" @default.
- W2050874220 modified "2023-09-26" @default.
- W2050874220 title "Impact Dynamics Analysis of Shed Tunnel Structure Hit by Collapse Rock-Fall" @default.
- W2050874220 cites W1981732458 @default.
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- W2050874220 doi "https://doi.org/10.4028/www.scientific.net/amm.99-100.1023" @default.
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