scholarly journals STUDY OF NOISE ON PASSENGER CAR SPEED

ASTONJADRO ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 195
Author(s):  
Syaiful Syaiful ◽  
Almas Fathin Irbah

<p>Bogor Regency has an economic growth rate including the highest among cities and other districts around the Jakarta Capital Region. Regarding the condition of the vehicle population in Bogor district, the number of motorized vehicles in 2017 and 2018 experienced a growth of between 2% and 12%. In contrast to the growth rate of vehicles, the road growth rate is only 0.1% per year. Nurul Hidayah Mosque is located on Jalan Salabenda, the object of the author's research to find out how much influence the sound of motorized vehicles has on worship activities around the Nurul Hidayah mosque. In public transport car speed, motorcycle speed, and private car speed do not have a significant effect on the noise pollution produced. The noise level around the Nurul Hidayah Mosque, Jalan Salabenda Raya, Bogor Regency which has been measured the smallest is 56.4 dBA. This value exceeds the noise threshold of the Noise Level Standard Value for the Ministerial Decree, which is 55 dBA. So that it requires attention and cooperation from the government and the community to overcome the noise in the worship area. The calculation and analysis obtained is on the equation with the largest R Square value on the fourth day of the study, the third point (Sound Level Meter 3), with a contribution of 22.67%. Like the equation on the side, y = 73.251 + 0.004x<sub>1</sub>-0.311x<sub>2</sub>-0.003x<sub>3</sub>. The meaning of this equation is that if there is no decrease in the speed of motorbikes, private cars and public transport cars, the noise pollution level in SLM3 is 73,251 dBA. If there is an increase in the speed of public transport cars by 0.004, the decrease of motorbikes by 0.311, and an increase in the speed of private cars by 0.003, the noise pollution level will decrease by 0.31 dBA at SLM3.</p>

2020 ◽  
Vol 3 (2) ◽  
pp. 45-67
Author(s):  
Syaiful Syaiful ◽  
Noor Wahid

Depok became a pilot as an orderly city with traffic arrangements and diverse patterns of population movement. The diversity of the city residents' trips has resulted in an increasingly diverse population passing through the region. Population mobility also requires adequate transportation facilities and infrastructure. This study aims to obtain traffic data and the level of noise pollution caused by the speed of motor vehicles (SPM, MP, MAU) in front of the Bunda Hospital Margonda Depok. The calculation and analysis obtained are on the equation with the first largest R value on the second day of the third point study (Sound Level Meter 3), with a contribution of 50.50%. As equation, y = 73.824 + 0.030x1 - 0.020x2 - 0.324x3, the addition of motorcycle density is 0.030 and the reduction in private car density and public transport car density is 0.344, the noise pollution level will be reduced by 0.314 dBA in SLM3. The second largest R value with motorcycle density, private car density and public transport car density has a moderate effect on noise pollution in the second day of the research point (Sound Level Meter2) with a contribution of 48.50%.


2018 ◽  
Vol 14 (8) ◽  
pp. 185
Author(s):  
Mohammad Nasir Uddin ◽  
Md. Shahidul Hoque ◽  
Muhammad Alamgir Islam

Chittagong, the port city of Bangladesh, is one of the nosiest cities of the country. Extreme noise is very inimical for human health and environment. Noise pollution implies a discomfort and restlessness caused to humans by unwanted high intensity sound. Motorized traffic is one of the major sources of producing noise in Chittagong city. The present paper deals with determining the level of the noise pollution in Chittagong city area and its impact on city dwellers. In this study noise levels have been measured with digital sound level meter at eight different places of Chittagong city from 6:00 am to 9:00 pm during working days. Time weighted average noise level has been measured at the road side. The data have been analyzed to compute the average, maximum and minimum noise level in decibel (dB) with respect to traffic volume. From the study it was observed that the highest noise level in the road side in Chittagong city was 112 dB found at New Market and 2 No gate traffic area, which for exceeded the acceptable limit of 60 dB set by the Government of Bangladesh and minimum sound level 67 dB was recorded at GEC traffic area. The highest average value is 109.66 dB found at 2 No gate traffic area and lowest average value is 68.7 dB found at GEC traffic area. Questionnaire survey was done during the study to determine the health impact on the city dwellers. Most of the common problems, the dwellers suffering from noise pollution are headache, bed temper, sleeplessness, aggravation, hearing problems etc.


2019 ◽  
Vol 10 (02) ◽  
pp. 20585-20591
Author(s):  
Adrian Pradana ◽  
I Made Tamba ◽  
I Ketut Widnyana

This research was conducted to analyze the level of traffic noise in Lumintang City Park, Denpasar. The measurement method is by using a direct method that is using an integrating sound level meter that has an LTMS measurement facility, namely Leq with a measuring time every 5 seconds. The examination is carried out by measuring for 10 minutes. The measurement time is carried out during the 24 hour activity (NGO) on December 3, 2018. The measurement distance ranges from 5-10 meters from the road, with a height of 1-1.2 m from the ground level. The results of the research on the level of traffic noise in Lumintang City Park Denpasar showed the noise level that exceeded the noise level quality standards of the green open space area of 50 dB, where in the first lane the traffic noise level was 92.52 dB at L3. While the noise research in lane 2 shows that the highest traffic noise level of 85.70 dB occurs at L5. For day and night (NGO) noise levels in lane 1 amounting to 70.13 dB and lane 2 of 67.95 dB has exceeded the quality standard of green open space, so that it can cause physical and psychological disturbances for visitors to the Taman Lumintang City of Denpasar..


2018 ◽  
Vol 34 ◽  
pp. 02024
Author(s):  
F.S. Sulaiman ◽  
N. Darus ◽  
N. Mashros ◽  
Z. Haron ◽  
K. Yahya

Vehicles passing by on roadways in residential areas may produce unpleasant traffic noise that affects the residents. This paper presents the traffic noise assessment of three selected residential areas located in Skudai, Johor. The objectives of this study are to evaluate traffic characteristics at selected residential areas, determine related noise indices, and assess impact of traffic noise. Traffic characteristics such as daily traffic volume and vehicle speed were evaluated using automatic traffic counter (ATC). Meanwhile, noise indices like equivalent continuous sound pressure level (LAeq), noise level exceeded 10% (L10) and 90% (L90) of measurement time were determined using sound level meter (SLM). Besides that, traffic noise index (TNI) and noise pollution level (LNP) were calculated based on the measured noise indices. The results showed an increase in noise level of 60 to 70 dBA maximum due to increase in traffic volume. There was also a significant change in noise level of more than 70 dBA even though average vehicle speed did not vary significantly. Nevertheless, LAeq, TNI, and LNP values for all sites during daytime were lower than the maximum recommended levels. Thus, residents in the three studied areas were not affected in terms of quality of life and health.


2004 ◽  
Vol 31 (4) ◽  
pp. 533-538 ◽  
Author(s):  
Saad Abo-Qudais ◽  
Arwa Alhiary

The main objective of this study was to evaluate the variation in traffic equivalent noise levels as distance from the road intersection increases. To achieve this objective, traffic volume and equivalent noise level were monitored at 40 signalized intersections in Amman, the capital of Jordan. An integrated sound level meter (ISLM) was used to measure 1 min equivalent noise level along all approaches of the evaluated intersections. A total of 3326 noise measurements were performed. The collected data were analyzed to evaluate the variation of noise levels as distance from the intersection increases. The results indicated that equivalent noise levels were significantly affected by distance from the signal stop line. The equivalent noise levels at distances 50 and 100 m from the intersection were found to be 1.5 to 2.0 dB less than those at 0 m. While at 200, 250, and 300 m from the intersection, the monitored equivalent noise levels were found to be 3.8 to 4 dB higher than that at 0 m. At distances farther than 250 m, the measured equivalent noise levels tend to keep constant value of equivalent noise level as distance increased.Key words: noise, traffic, intersection, environment, pollution.


2015 ◽  
Vol 10 (3) ◽  
pp. 807-812 ◽  
Author(s):  
Sunil Kumar ◽  
Rajesh Dhankhar

Noise pollution has increased over the past century, especially the past few decades, disturbing the integrity of natural ecosystems. Higher noise level not only harms humans, but threatens the birds. It cause reduction of bird’s species, reproductive failure and affect food availability. A comprehensive study on noise level of three pre-selected sites of Bhindawas wetland was carried out during the November 2010 and February 2011. At each site, noise level measurements were made at ten second interval for a period of 60 minutes. Equivalent continuous sound level (Leq) ware ranged between 42.45 dB(A) to 55.66 dB(A) and 42.45 to 55.66 dB(A), respectively during the November 2010 and February 2011. It was observed that the road side site which is near to the canal water inlet to wetland has more noise level (Leq ) than the standard prescribed by the Central Pollution Control Board (CPCB) for a silence zone (50 dB). The higher values of the peak noise levels (L1) was observed during the study period, which could be disturbed the birds and they fly away to the nearest water bodies.


ASTONJADRO ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 151
Author(s):  
Syaiful Syaiful ◽  
Hermanto Siregar ◽  
Ernan Rustiadi ◽  
Eri Susanto Hariyadi ◽  
Fitri Aning Dwi Ardila ◽  
...  

<p>The density of motorized vehicles, especially motorcycles on the highway, is getting higher. However, in line with the 2020 Covid-19 pandemic, it has an impact on the decrease in the number of motorized vehicles on the highway. The density of motorcycles has a significant effect on noise, from all analysis calculations, the largest equation is obtained on the fourth day of the study, the second point (Sound Level Meter 2), with a contribution of 32.42%. Obtained the calculation below, y = 63.36 + 0.002x1. This equation means that if there is no decrease in motorcycle density, the noise level in SLM2 is 63.36 dBA. If there is a motorcycle density also has a significant effect on noise. The second largest equation was obtained on the third day of research at the third point (Sound Level Meter 3) with a contribution of 36.21% based on the equation calculation below, y = 60.24 + 0.001x1. The meaning of the above equation is that if there is an increase in the density of the motorcycle, the noise in the SLM3 is 60.24 dBA. The Covid-19 pandemic that has hit the world, Indonesia is also getting its effects, especially the very large Bogor district. The rapid spread of Covid-19 has changed the pattern of life for the people of Bogor, especially students who initially go to school every morning, now go to school and study online.</p>


The noise pollution is one of the slow killer and The pollution level increasing day by day mostly in Industrial areas, heavy traffic, markets, theatre, and etc., mainly in metropolitan cities and municipalities in the developing countries. In this research study the noise pollution analysis in quarry mining area was carried out in Rathinamangalam, Tamilnadu, India. Further, the causes of Noise Impact was also studied and analyzed. Mainly the health effects were studied. The measurement of sound was made by Sound level meter for period of one year the impact of pollution was also observed on the biotic components. The noise pollution in the very close vicinity of quarry site was higher than the prescribed guidelines especially in the sensitive and residential zone areas. The noise pollution sampling was carried at different seasons, timings and the results are tabulated and compared With Central Pollution Control Board (CPCB) guidelines. Suitable remedial Measures also suggested for controlling the same.


2021 ◽  
Vol 21 (2) ◽  
pp. 130
Author(s):  
Sangkertadi Sangkertadi ◽  
Ronald Manganguwi

Penelitian ini bertujuan untuk mengetahui kontribusi dinding dan arsitektur ruang serta jarak gedung ke jalan terhadap reduksi bising dari luar kedalam bangunan, dan distribusi bunyi yang terjadi. Studi kasus pada 2 gereja yaitu gereja GMIM Kampus Unsrat dan gereja GMIM Bethesda Ranotana di Kota Manado. Sebuah sumber bunyi di letakkan di luar ruang dekat pagar pada jarak 12 m terhadap gedung, dengan kuat bunyi konstan namun bervariasi antara 60 sampai dengan 100 dB dengan tahapan setiap 10 dB. Kuat bunyi dihitung dan diukur pada setiap jarak 2 m diruang luar dan dalam Gereja. Pengukuran menggunakan alat sound level meter. Perhitungan menggunakan teori akustik ruang dan software I_Simpa. Hasilnya menunjukkan bahwa konfigurasi arsitektur selubung dan ruang bangunan kedua gereja tersebut dalam keadaan kosong hanya mampu mereduksi bising sebesar 2.2 dan 3.7 dB, dengan jendela terbuka. Dengan sumber suara 100 dB di ruang luar, hasil pengukuran di ruang dalam pada kedua gereja mencapai 69.3 dB(A) dan 56.4 dB(A). Rentang bunyi tersebut masih tergolong bising dan belum memenuhi syarat kenyamanan bunyi untuk jenis bangunan ibadah menurut SNI. Visualisasi distribusi bunyi dengan menggunakan software I_Simpa, menunjukkan peran bukaan pintu dan jendela yang menyebabkan kebocoran bunyi kedalam ruangan.Kata kunci: Akustika;  bising; dinding; gereja Noise Level and Sound Propagation Due to Outside Sound at GMIM Church Unsrat Campus and GMIM Bethesda Manado ABSTRACTThis research aims to determine the contribution of walls and architectural interior, and the distance of the building to the road to the reduction of noise from outside into the building as well as the distribution of sound that occurs. Case studies on 2 churches: the GMIM Church of Unsrat Campus and the GMIM Bethesda Ranotana Church, both in Manado City. A sound source was placed outside the room near the fence at 12 m from the building. The sound source was constant but varied from 60 to 100 dB with steps every 10 dB. Sound reception was calculated and measured every 2 m distance at outside and inside. Measurements were carried out using sound level meter. Calculations by acoustic theory and I_Simpa software. The results show that the churches when room is empty, had only able to reduce the noise by 2.2 and 3.7 dB, with opened windows. When a 100 dB sound source was applied, the measurement results in the indoor of the two buildings reached 69.3 dB(A) and 56.4 dB(A). Graphical visualizations of sound distribution by using I_Simpa software, showed the role of door and opened window that cause sound leakage into the room.Keywords: Acoustic; church; noise; wall


2019 ◽  
Vol 10 (3) ◽  
pp. 184-190
Author(s):  
Mona Lestari ◽  
Desheila Andarini ◽  
Dwi Septiawati ◽  
Poppy Fujianti ◽  
Novrikasari

Palembang – Indralaya highway is a cross-provincial road where motor vehicle activity is constant, causing noise and affecting settlements along the road. Constant exposure to the noise that exceeds quality standards (55 dB) stipulated in Environmental Ministerial Decree (KEP.48/MENLH/11/1996), can cause a variety of health problems, such as hearing loss and psychological disorders. Therefore, this study is conducted to determine the noise level along the Palembang-Indralaya road. This study used an observational approach through direct observations and measurements using the Mini InScienPro SQ-100 sound level meter. The noise level is measured at two locations, i.e., on the curb and in houses located along the highway. Based on the observations and measurements, the highest noise intensity was during the daytime (78.0 - 102.4 dB). The highest intensity of noise inside and outside the house are 74 and 90 dB, respectively. This is due to the high volume and activity of vehicles crossing the highway. The intensity of the noise received by the residents along the highway is above the quality standards, so as to handle the noise, trees need to be planted around the housing (barrier plants). Keywords: Noise intensity, highway, sound level Meter


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