█ _ 0 حصريا كتاب ❞ Acoustical Design of a Conference Hall ❝ 2024 Hall: اسس تصميم قاعة مؤتمرات RJAV vol VI issue 2 2009 81 ISSN 1584 7284 Acoustical Toma DOINA Romanian Broadcasting Comp , Technical Departm ent, Bucharest, ROMANIA, email toma_doina@yahoo com Mih ă iescu IOANA IM Architecture Center, Re ş i ţ a, email arh ioanamihaescu@gmail com (Received 18 August 2009; accepted in revised form 28 November 2009) Abstract: In the building Caras Severin County Council from Municipiul Resita, capital Severin county, Romania, was realized an extension and modernization space located on first floor where we arranged conference hall with exhibition foyer The beneficiary, wanted this room to have enviable architecture modern technological equipment for an d teleconference purposes, with facilities simultaneous translation at least two languages who be had deficiencies between proportions geometric dimensions, placement large reflecting surfaces , windows corners room, the poor perfor mance sound insulation panels roof, all these negatively impacting quality present paper refers solutions acoustical design (sound insulation perception acoustics) a hall, adjusted aesthetic demands of We will acoustic specifications would like achieve reason able performances regardin g use We opted environment diffuse field For purpose used moreover treatment absorption material diffuser Concerted efforts architect, specialist a nd other specialists involved planning led both architectural modern equipment, good qualities, speech intelligibility even without electronic amplifying Keywords: design, difussors, booth ventilation is natural one The air comes directly threw grid mounted wall From grid it not visible ventilation seen big paint made by local painter Nicolae Vladulescu 6 CONCLUSIONS difficult case because economical limitations intended reference city county For financial reasons, we didn’t make measurements accordance ISO 3382 evaluate interior conditions conference However subjective impression most participants very positive participants appreciated intelligibility electro acoustics system Also insulati on outdoor noise as Due economical limitations, there are some construction elements that enough reduction indexes evaluated acoustical project But consideration background noise level inside caused 200 persons during bigger than outdoor sources Finally appreciated its environment, high technology equipments and, but last, acoustic REFERENCES [1] Leo L Beranek, Acoustics , McGRAW HILL BOOK COMPANY, INC [2] 2603 (1998), Booths simultaneous interpretation General characteristics equipment [3] (2000), Acoustics Measurements reverberation time rooms parameters [4] Kutruff H, Room Acoustics , ELSEVIER SCIENCE PUBLISHERS LTD, 1991 [5] Wegener N Acoustic Project References Construction, Ed Academiei RPR, 1960 [6] Pup ă zan C Acoustic Construction Noise Reduction , 1970 [7] Izenour G, Design , COMPANY, الهندسة المدنية مجاناً PDF اونلاين قسم خاص بكتب للتحميل مجال وهي أحد فروع والمعنية بدراسة وتصميم وتحليل المنشآت المختلفة كالأبنية السكنية والخدمية والطرق والجسور والأنفاق والمطارات والموانئ وشبكات إمداد مياه الشرب ومحطات ضخ المياه الصرف الصحي التنقية ومعالجة والسدود وكذلك مشاريع الري والإشراف عمل هذا أثناء فترة استمرارها لذا لا يجوز حصر العلم بأنه المعني بالتصميم وحده فقط وهي كأي علم تتطور باستمرار ودون توقف وفي الآونة الحديثة ترابطت مع التطور الصناعي بشكل كبير لإنتاج مواد إنشائية جديدة ومتطورة تفي بالمتطلبات التي تكون دائما متزايدة من المجتمع A special section books civil engineering branches concerned studying, designing analyzing various installations such residential service buildings, roads, bridges, tunnels, airports, ports, drinking water supply networks, pumping stations, sewage purification treatment dams, well irrigation projects, supervising work Establishments during period their continuation, so permissible limit flag alone