摘要
通过在弹性体梁两端设置弹性支撑和阻尼支撑,提高梁支撑能力和抗冲击能力,来满足冲击矿压巷道支护的要求。为此,通过假设和建立数学模型,应用粘弹性梁的动力学方程,推导出粘弹性梁在冲击矿压条件下的变形和能量吸收,并根据其载荷-位移特性曲线,分析了粘弹性梁对冲击矿压巷道的适应性,对采矿安全生产和巷道支护提供了一种新方法。
Using the elastic beam arranged with elastic support and damping support, can improve the beam supporting capacity and anti-inpact ability, to meet the needs of rockburst in coal mine roadway support requirements. Therefore, through assumptions and establishment of mathematical model, based on the application of viscoelastic beam dynamics equation, the viscoelastic beam in rockburst under conditions of deformation and energy absorption was deduced.And according to its load-displacement characteristic curve, adaptability of viscoelastic beam on rock pressure tunnel was analyzed. This provided a new method in terms of safety production of mining and roadway.
出处
《机械管理开发》
2012年第6期45-46,共2页
Mechanical Management and Development
关键词
梁
弹性支撑
阻尼支撑
冲击矿压
吸能支护
beam
elastic support
damping support
impact load
energy absorbing support
