现代物业·新建设
現代物業·新建設
현대물업·신건설
Modern Property Management
2014年
10期
46-48
,共3页
钢筋混凝土%配筋率%试验模态分析%阻尼比
鋼觔混凝土%配觔率%試驗模態分析%阻尼比
강근혼응토%배근솔%시험모태분석%조니비
reinforced concrete%reinforcement ratio%modal%damping ratio
混凝土的阻尼功能对于提高结构稳定性、安全性和耐久性以及防震减灾等具有重要意义。本文通过试验模态分析法对不同配筋率的钢筋混凝土梁在其各阶固有频率下的阻尼性能进行了研究，结果表明随着配筋率的提高，钢筋混凝土构件的阻尼比是不断减小的。研究构件在自由振动下动态特性对于混凝土结构抗震设计有参考价值。
混凝土的阻尼功能對于提高結構穩定性、安全性和耐久性以及防震減災等具有重要意義。本文通過試驗模態分析法對不同配觔率的鋼觔混凝土樑在其各階固有頻率下的阻尼性能進行瞭研究，結果錶明隨著配觔率的提高，鋼觔混凝土構件的阻尼比是不斷減小的。研究構件在自由振動下動態特性對于混凝土結構抗震設計有參攷價值。
혼응토적조니공능대우제고결구은정성、안전성화내구성이급방진감재등구유중요의의。본문통과시험모태분석법대불동배근솔적강근혼응토량재기각계고유빈솔하적조니성능진행료연구，결과표명수착배근솔적제고，강근혼응토구건적조니비시불단감소적。연구구건재자유진동하동태특성대우혼응토결구항진설계유삼고개치。
Concrete damping function in improving the structure stability, safety and durability, and mitigation of earthquake disasters, etc. It is of great significance. In this paper, experimental modal analysis method of different reinforcement ratio of reinforced concrete beam under the each order natural frequency of damping performance was studied, the results show that with the increase of reinforcement ratio, the damping ratio of reinforced concrete's structural members are being reduced. Research component under free vibration dynamic characteristics for the seismic design of reinforced concrete structure has a reference value.
