| 动力机器基础振动与设计若干问题的讨论 |
| |
| 引用本文： | 侯兴民,马小燕,吴汉生,田启强.动力机器基础振动与设计若干问题的讨论[J].地震工程与工程振动,2008,28(3):131-137. |
| |
| 作者姓名： | 侯兴民 马小燕 吴汉生 田启强 |
| |
| 作者单位： | 1. 烟台大学,土木工程学院,山东,烟台,264005
2. 中国地震局,工程力学研究所,黑龙江,哈尔滨,150080 |
| |
| 基金项目： | 教育部科学技术研究重点项目，山东省教育厅资助项目，山东省优秀中青年科学家科研奖励基金，地震工程与工程振动开放实验室项目 |
| |
| 摘 要： | 讨论了《动力机器基础设计规范》(GB 50040-96)中的若干问题,包括质-弹-阻模型、地基动力参数、荷载组合和基础的构造要求等几个方面。对动力响应,基于弹性半空间理论定义质-弹-阻模型中引入的各个参数(频变),基于该模型计算稳态荷载或暂态荷载作用下基础的动力响应;引入承载力、变形和稳定性等的验算,并在基础的形状尺寸、埋深、材料、配筋等构造方面为设计人员提供指导;对基础的重要程度进行分类,对重要基础,特殊场地条件下的基础,建造时宜考虑沉降等观测手段,及可改变基础固有特性和加固维修等相关的措施。
|
| 关 键 词： | 动力机器基础设计规范 质-弹-阻模型 地基动力参数 荷载组合 构造要求 |
Some problems about vibration and design of dynamic machine foundation |
| |
| HOU Xingmin,MA Xiaoyan,WU Hansheng,TIAN Qiqiang.Some problems about vibration and design of dynamic machine foundation[J].Earthquake Engineering and Engineering Vibration,2008,28(3):131-137. |
| |
| Authors: | HOU Xingmin MA Xiaoyan WU Hansheng TIAN Qiqiang |
| |
| Abstract: | Some discussions on Code for Dynamic Machine Foundation Design(GB 50040-96) are had,including mass-spring-damper model,dynamic foundation parameters,load combination and structural requirements.Frequency-dependent parameters may be defined for the mass-spring-damper model to calculate the dynamic responses to steady and transient loads.Foundation bearing capacity,deformation and stability verifications should be introduced into the static design.And the structural requirements of foundation shape,size,embedded depth,material and reinforcement should be prescribed to guide the design.The important degree of a machine foundation should be classified to take different measures for the foundation settlement observation and the possibility of changing foundation natural characteristics,reinforcement and repairing after construction. |
| |
| Keywords: | Code for Dynamic Machine Foundation Design mass-spring-damper model dynamic foundation parameters load combination structural requirement |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
