环境监控与预警
環境鑑控與預警
배경감공여예경
ENVIRONMENTAL MONITORING AND FOREWARNING
2014年
2期
25-29
,共5页
隔声窗%中空玻璃%真空玻璃%隔声量%噪声监测
隔聲窗%中空玻璃%真空玻璃%隔聲量%譟聲鑑測
격성창%중공파리%진공파리%격성량%조성감측
Sound insulation windows%Insulating glazing%Vacuum glazing%Sound reduction index%Noise monitoring
采用隔声窗作为典型道路的交通噪声控制措施，探索隔声性能的现场监测方法。分别选取真空玻璃窗与中空玻璃窗进行监测，两种隔声窗对交通噪声1000 Hz 和2000 Hz 两个倍频带的隔声量最大，真空玻璃隔声窗对500 Hz 倍频带及以下的噪声比中空玻璃隔声窗更有效，如果采用两种隔声窗进行组合，在全频带的隔声量达到25 dB。
採用隔聲窗作為典型道路的交通譟聲控製措施，探索隔聲性能的現場鑑測方法。分彆選取真空玻璃窗與中空玻璃窗進行鑑測，兩種隔聲窗對交通譟聲1000 Hz 和2000 Hz 兩箇倍頻帶的隔聲量最大，真空玻璃隔聲窗對500 Hz 倍頻帶及以下的譟聲比中空玻璃隔聲窗更有效，如果採用兩種隔聲窗進行組閤，在全頻帶的隔聲量達到25 dB。
채용격성창작위전형도로적교통조성공제조시，탐색격성성능적현장감측방법。분별선취진공파리창여중공파리창진행감측，량충격성창대교통조성1000 Hz 화2000 Hz 량개배빈대적격성량최대，진공파리격성창대500 Hz 배빈대급이하적조성비중공파리격성창경유효，여과채용량충격성창진행조합，재전빈대적격성량체도25 dB。
Using sound insulation windows as the traffic noise control measures for typical roads ,the field monitoring method for the sound insulation property is established.The vacuum glazing and insulating glazing are selected for monitoring.The results show that the two kinds of windows are all most effective for 1 000 Hz to 2 000 Hz octave band frequency noise,while the vacuum glazing is more effective than insulating glazing for 1 000 Hz octave band frequency noise below.The sound reduction index to the full band frequency noise can reach 25 dB when using combination of sound insulation windows.
