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1)  construction vibration
施工振动
1.
The paper briefly introduces the monitoring methods and results of construction vibration including explosion ,dynamic compaction and pile driving,it refers to domestic and abroad safety standards of explosion and compares the regularities between vibration frequency,amplitude and lasted time under different construction methods.
该文简介了对爆破、强夯、打桩等施工振动的监测方法及成果 ,参考了国内外爆破安全标准 ,对比了不同施工方法下质点振动的频率、振幅、持续时间等规律 ,对常用施工方法的安全影响距离及判定值提出了一些建
2)  construction with vibrating formwork-sinking technique
振动沉模施工
3)  vibrating fertilization
振动施肥
4)  non-resonance construction
无共振施工
5)  vibrating loader
振动施荷器
6)  Dynamic construction
动态施工
1.
An analytic study of stress and displacement during dynamic construction is conducted on the immerged underground tunnel.
针对深埋地下洞室,寻求洞室动态施工中围岩应力及位移场的解析解。
2.
Based on deep foundation excavation case,this paper introduces the application of monitor and dynamic construction technology in soft soil foundation pit with internal bracing system, and it has important meaning to restrict the strain, to improve the safety of the excavation and to protect the surrounding environment.
本文将结合工程实例,阐述监测与动态施工技术在内撑式软土基坑工程中的应用,及其对于控制基坑变形,提高基坑开挖的安全及对周围环境保护的重要意义。
3.
Based on the project of expressway tunnel in Zhejiang Province,the entire dynamic construction process of the tunnel is simulated by 3-dimention finite element method with MARC software.
以浙江上三线高速公路隧道为工程背景 ,应用大型有限元软件MARC对洞口段隧道进行动态施工全过程三维有限元模拟 。
补充资料:点振子振动和点电极振子振动
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性质:又称点振子振动和点电极振子振动。振动能量绝大部分集中在点电极范围内,形成“能量封闭”的振动模式。振子电极面远小于压电陶瓷片的总面积,且与厚度有适宜的匹配关系。在交变电场作用下,沿厚度方向产生振动,其振幅随着至电极中心距离的增加,呈指数式衰减。谐振频率与压电陶瓷片的厚度有关。为提高频率通常将压电陶瓷片磨得很薄,有时考虑到压电陶瓷自身强度太低,可用特制的陶瓷片作垫片来防止压电陶瓷片损坏。常用于高频场合。

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