Multifunctional auditorium must accommodate two primary functions, namely speech and music performances. Both of these functions have different quality demands in order to satisfy the audience. On a multifunctional auditorium, the difference n of user will affect the value of reverberation time. A simple absorbent made of curtain which opened and closed will use for extend or shortening the value of reverberation time, particularly middle-high frequency. The study was conducted by method of simulation using the CATT Acoustic software. Research results showed the influence of curtain on the stability value of middle-high frequency reverberation time related to the number of audience.Keyword: Acoustic, auditorium, variable absorbency, simulation, substitutionAbstrak: Auditorium multifungsi harus mengakomodasi dua kelompok fungsi utama yaitu pidato dan pentas musik. Kedua fungsi tersebut memiliki tuntutan kualitas yang berbeda untuk memuaskan audien. Pada ruang auditorium multifungsi, perbedaan jumlah pengguna ruang akan mempengaruhi nilai waktu dengung. Penyerap bunyi sederhana akan memanfaatkan korden yang dibuka dan ditutup dan berakibat memperpanjang atau memperpendek nilai waktu dengung, khususnya frekuensi menengah atas. Penelitian dilakukan dengan metode simulasi berbantuan perangkat lunak CATT Acoustic. Hasil penelitian menegaskan, terdapat pengaruh penggunaan korden pada kestabilan nilai waktu dengung frekuensi menengah-atas berkaitan dengan jumlah audien.Kata Kunci: Akustika, auditorium, variabel penyerap, simulasi, substitusi
In the design process, consideration of energy efficiency is one of the crucial aspects of a design. Energy efficiency will affect the amount of carbon dioxide emissions released. In addition, energy efficiency also affects operational costs that will be maintained by the manager. During the construction process, conventional lightweight brick wall often takes longer to study than panel-shaped materials or modules. Currently there is an assumption that conventional lightweight brick wall has little influence on energy consumption and operational costs, so it is necessary to review the exploration of the use and composition of materials that can respond to the energy context in the surrounding area. This paper describes comparison of conventional materials with advance materials to operational costs and energy efficiency which in this case is apartment design from 3 rd year architecture studio. The research uses Sefaira simulation methods and values need to be reviewed such as energy use, operational costs, and other factors that can affect. Reference research assessment using ASHRAE-based standards 90.1 -2013 by following the 2030 energy challenge system. The results showed that brick pairs can result in much more significant energy expenditure and anticipational costs. It is necessary to review the material to reduce energy use and operational costs to obtain an ideal comparison of cooling and natural lighting loads in existing areas.
Pengaruh kebisingan terhadap fisik manusia tidak saja mengganggu organ pendengaran, tetapi juga dapat menimbulkan gangguan pada organ-organ tubuh yang lain serta penurunan efektivitas kerja dan kinerja. Penelitian ini bertujuan untuk mengkaji tingkat kebisingan di hunian di tepi jalan raya Kota Yogyakarta serta menemukan indikasi dampak pada desain bangunan dan barrier oleh pemilik rumah untuk mengurangi kebisingan. Penelitian ini bersifat kuantitatif asosiatif. Data diperoleh dari pengukuran dan pengamatan lapangan. Hasil penelitian menunjukan bahwa tingkat kebisingan di hunian di tepi jalan raya, kelas jalan II, jalan lokal, di Kota Yogyakarta belum memenuhi standar nilai LTNI dan LNP. Desain bangunan serta barrier sebagai faktor pereduksi kebisingan jalan raya ditemukan dengan persentase sebesar 100% pada ruas Jalan Bung Tarjo, 85,7% pada ruas Jalan Ki Penjawi, 20,83% pada ruas Jalan Juminahan, 52,08% pada ruas Jalan Bausasran, 13,37% pada ruas Jalan Suryodiningratan, dan 10,7% pada ruas Jalan Mangkuyudan. Dengan demikian masyarakat belum sepenuhnya sadar terhadap tingginya tingkat kebisingan jalan raya.
The basement lobby area in Campus II of Universitas Atma Jaya Yogyakarta was originally designed to function as a vehicle parking and laboratory space with noise-generating equipment, but it is currently being used as a place for students to do assignments. Meanwhile, it has been discovered that psychosocial stress can be caused by continuous exposure to noise, thereby, making it necessary to consider the quality factor of the indoor environment of this area for students use. Therefore, this study was conducted to determine the effect of the noise in the basement lobby area on student work productivity and psychosocial stress. This involved the use of a quantitative method by measuring the noise level using Phonic PAA3 per one point in the 4 segments of the corridor according to the provisions of SNI 7231:2009. Moreover, a qualitative approach was also applied by distributing online and offline questionnaires to determine the perception of noise, psychosocial stress, and its effect on work productivity. A total of 109 respondents consisting of 48 architecture, 40 civil engineering, and 21 techno-biology students using the lobby as a place to do assignments were used as the respondents. The data obtained were analyzed using a simple regression method in the SPSS25 program. It is important to note that the quantitative and qualitative measurements were not conducted simultaneously. The results showed that the study room does not fulfill the standard reference value of 45dB required for the noise level as indicated by the highest and lowest noise (Leq) values recorded to be 74.10dB and 64.34dB in segments B and A, respectively, as well as the overall average of 70.1dB. Furthermore, the combination of the qualitative and quantitative data showed that the noise affects students' psychosocial stress by 43% and productivity by 45%, hence, this means the noise reduced the student productivity. Therefore, the noise factor needs to be considered in planning a workspace or converting the function of space in order to ensure its purpose is achieved maximally.
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