|
US$2029.00 · In stock
Delivery: <= 13 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 50118-2010: Code for design of sound insulation of civil buildings
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 50118-2010 | English | 2029 |
Add to Cart
|
13 days [Need to translate]
|
Code for design of sound insulation of civil buildings
| Valid |
GB 50118-2010
|
PDF similar to GB 50118-2010
Basic data | Standard ID | GB 50118-2010 (GB50118-2010) | | Description (Translated English) | Code for design of sound insulation of civil buildings | | Sector / Industry | National Standard | | Classification of Chinese Standard | P31 | | Word Count Estimation | 92,968 | | Date of Issue | 2010-08-18 | | Date of Implementation | 2011-06-01 | | Older Standard (superseded by this standard) | GBJ 118-1988 | | Quoted Standard | GB/T 15173; GB/T 50121; GB 3096; GB/T 3241; GB/T 3785.1; GB/T 17181 | | Regulation (derived from) | Ministry of Housing and Urban Notice No. 744 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China; General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | | Summary | This Chinese standard applies to cities and towns new construction, renovation and expansion of housing, schools, hospitals, hotels, office buildings and commercial buildings and other major houses six building insulation, sound absorption, noise reduction design. Other types of buildings in the room, according to its function, the corresponding provisions of this standard can be used. | GB 50118-2010: Code for design of sound insulation of civil buildings---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
1 General
1.0.1 This specification is formulated in order to reduce the impact of noise on civil buildings and ensure a good indoor acoustic environment for civil buildings.
1.0.2 This code is applicable to the sound insulation, sound absorption and noise reduction design of the main buildings in six types of buildings, including newly built, rebuilt and expanded houses, schools, hospitals, hotels, office buildings and commercial buildings in cities and towns across the country. The rooms in other types of buildings can adopt the corresponding provisions of this code according to their use functions.
1.0.3 The allowable indoor noise level in this specification shall use A sound level as the evaluation quantity. The indoor allowable noise level in this specification shall be the standard value during daytime and nighttime with the windows closed. For rooms in hospital buildings that should be used with windows, the standard value of the indoor allowable noise level when the window is open should be the same as the standard value of the indoor allowable noise level when the window is closed. The time corresponding to the daytime and nighttime periods are. daytime, 6.00-22.00 hours; nighttime, 22.00-6.00 hours; or according to the regulations of the local people's government. The measurement of indoor noise level shall be carried out in accordance with the provisions of Appendix A of this specification.
1.0.4 The sound insulation and noise reduction design of civil buildings shall not only comply with the provisions of this code, but also meet the relevant current national standards.
2 Terms and symbols
2.1 Terminology
2.1.1 A-weighted sound pressure level
Sound pressure level measured with an A-weighting network.
2.1.2 Equivalent [continuous A-weighted] sound level equivalent[continuous A-weighted] sound pressure level
Within a specified time, the A[weighted] sound pressure of a continuous steady state sound has the same mean square A[weighted] sound pressure as the time-varying noise, then the sound level of this continuous steady state sound is The equivalent sound level of the time-varying noise. The unit is decibel, dB.
2.1.3 air-borne sound
The sound source is transmitted through the air to the surrounding sound.
2.1.4 Impact sound
Noise caused by impact on building structures.
2.1.5 single-number quantity
According to the method stipulated in the national standard "Building Sound Insulation Evaluation Standard" GB/T 50121-2005, comprehensively considering the 1/3 octave bands in the center frequency range of 100Hz-3150Hz (or the center frequency range of 125Hz-2000Hz) 1/1 octave) after the sound insulation performance, the single sound insulation parameter determined.
2.1.6 weighted sound reduction index
It is a single-value evaluation quantity that characterizes the airborne sound insulation performance of building components. The weighted sound insulation should be measured in the laboratory.
2.1.7 weighted standardized sound pressure level difference weighted standardized level difference
The single value evaluation quantity of the airborne sound insulation performance between two rooms obtained by taking the reverberation time of the receiving room as the correction parameter.
2.1.8 Weighted normalized impact sound pressure level weighted normalized impact sound pressure level
The single-value evaluation quantity of the impact sound insulation performance of the floor or floor structure obtained by taking the sound absorption of the receiving room as the correction parameter.
2.1.9 Weighted standardized impact sound pressure level weighted standardized impact sound pressure level
The single-value evaluation quantity of the impact sound insulation performance of the floor or floor structure obtained by taking the reverberation time of the receiving room as the correction parameter.
2.1.10 Spectrum correction amount spectrum adaptation term
The spectrum correction amount is the correction value that needs to be added to the airborne sound insulation single value evaluation amount due to the difference in the sound insulation spectrum and the noise spectrum in the sound source space. When the noise in the sound source space exhibits pink noise frequency characteristics or traffic noise frequency characteristics, the calculated spectrum corrections are pink noise spectrum corrections or traffic noise spectrum corrections respectively.
2.1.11 noise reduction coefficient
The single value of the sound absorption characteristics of the material obtained by calculating the measured values of the random incident sound absorption coefficient of each 1/3 octave band within the center frequency range of.200 Hz to 2500 Hz.
2.2 Symbols
C - pink noise spectrum correction amount;
Ctr—traffic noise spectrum correction amount;
DnT, w—weighted standardized sound pressure level difference;
LAeq, T - equivalent [continuous A-weighted] sound level;
Ln, w—weighted normalized impact sound pressure level;
L'nT, w—weighted normalized impact sound pressure level;
NRC - noise reduction coefficient;
Rw—weighted sound insulation.
3 General Plane Anti-noise Design
4.3.9 No cultural and entertainment venues with high noise level shall be set up in commercial and residential buildings, nor shall other commercial buildings with high noise level be set up. Effective prevention and control measures should be taken for noise and vibration sources that may disturb residents in commercial buildings.
5 school buildings
5.1 Allowable noise level
5.1.1 The noise levels in various teaching rooms in school buildings shall meet the requirements in Table 5.1.1.
5.1.2 The noise level in teaching auxiliary rooms in school buildings shall meet the requirements in Table 5.1.2.
5.2 Sound insulation standard
5.2.1 The airborne sound insulation performance of partition walls and floors of teaching rooms shall meet the requirements in Table 5.2.1.
5.2.2 The airborne sound insulation performance between the teaching room and the adjacent room shall meet the requirements in Table 5.2.2.
5.2.3 The airborne sound insulation performance of the external walls, external windows and doors of teaching rooms shall comply with the provisions in Table 5.2.3.
5.2.4 The impact sound insulation performance of the floor slab of the teaching room shall meet the requirements in Table 5.2.4.
Table 5.2.4 Impact sound insulation standards for floor slabs of teaching buildings
5.3 Design of sound insulation and noise reduction
5.3.1 For school buildings located next to traffic arteries, it is advisable to arrange the sports field along the arterial road as a noise isolation zone. Between the fixed facilities that generate noise and the teaching building, there should be a noise isolation zone with a sufficient distance. When the classroom has doors and windows facing the sports field, the distance from the outer wall of the classroom to the sports field should not be less than 25m.
5.3.2 No mechanical equipment that emits strong noise or vibration should be installed in the teaching building. Other equipment that may generate noise and vibration should be kept away from the teaching room as much as possible, and effective sound insulation and vibration isolation measures should be taken.
5.3.3 For the ceiling of closed corridors, halls and stairwells in the teaching building, sound-absorbing materials with a noise reduction coefficient (NRC) of not less than 0.40 should be installed when conditions permit.
5.3.4 The reverberation time should be controlled in all kinds of classrooms to avoid adverse reflections and improve language clarity. The reverberation time of 500Hz～1000Hz in the empty field of various classrooms shall comply with the provisions in Table 5.3.4.
5.3.5 When rooms that generate noise (music classrooms, dance classrooms, piano rooms, gymnasiums) are located in the same teaching building as other teaching rooms, they should be arranged in different areas, and effective sound and vibration isolation measures should be taken.
6 Hospital buildings
6.1 Allowable noise level
6.1.1 The noise level in the main rooms of the hospital shall meet the requirements in Table 6.1.1.
6.3.13 In the ventilation and air-conditioning system, noise reduction devices shall be installed, and the noise generated by the ventilation and air-conditioning system in each room of the hospital shall comply with the provisions in Table 6.1.1 of this code.
7 hotel buildings
7.1 Allowable noise level
7.1.1 The noise level in each room of the hotel building shall meet the requirements in Table 7.1.1.
7.2 Sound insulation standard
7.2.1 The airborne sound insulation performance of partition walls or floors between guest rooms, partition walls between guest rooms and corridors, and guest room exterior walls (including windows) shall meet the requirements in Table 7.2.1;
7.2.2 Airborne sound insulation performance between guest rooms, between corridors and guest rooms, and between outdoor and guest rooms shall comply with the requirements in Table 7.2.2.
7.2.3 The airborne sound insulation performance of guest room windows and guest room doors shall comply with the requirements in Table 7.2.3.
7.2.4 The impact sound insulation performance of the floor between the guest room and the upper room shall meet the requirements in Table 7.2.4.
7.2.5 For the partition walls and floors between guest rooms and other noise-sensitive rooms and rooms with noise or vibration sources, the airborne sound insulation performance standards and impact sound insulation performance standards shall be based on the specific conditions of the noise and vibration sources. Determine, and carry out noise reduction and vibration isolation treatment for noise and vibration sources, so that the noise level in guest rooms and other noise-sensitive rooms meets the requirements in Table 7.1.1 of this code.
7.2.6 The grades to be achieved by the acoustic indicators (including indoor permissible noise levels, airborne sound insulation standards and impact sound insulation standards) of different levels of hotel buildings shall comply with the provisions in Table 7.2.6 of this code.
7.3 Design of sound insulation and noise reduction
7.3.1 The overall layout design of hotel buildings shall meet the following requirements.
1 The general layout of hotel buildings shall be divided according to noise conditions.
2.Facilities that generate noise or vibration should be far away from guest rooms and other rooms that require quietness, and sound and vibration isolation measures should be taken.
3 The restaurant in the hotel building should not be in the same area as guest rooms and other noise-sensitive rooms.
4 Ancillary entertainment facilities that may generate strong noise and vibration should not be set in the same main structure as guest rooms and other rooms that require quietness, and should be far away from guest rooms and other rooms that require quietness.
5 Ancillary entertainment facilities that may generate loud noise and may operate at night should be far away from guest rooms and other rooms with quiet requirements, and effective sound insulation and vibration isolation treatment should be carried out.
6 Ancillary entertainment rooms that may generate disturbing noise at night should not be set in the same corridor with guest rooms and other rooms with quiet requirements.
7 When the guest rooms are arranged along the main traffic road or the parking lot, anti-noise measures should be taken, such as airtight windows or double-layer windows; balconies or verandahs can also be used for sound insulation and noise reduction treatment.
8 The elevator shaft should not be adjacent to guest rooms and other rooms with quiet requirements.
7.3.2 The sound insulation design of guest rooms and guest room buildings shall meet the following requirements.
1 For the air supply and exhaust ducts between guest rooms, noise reduction measures shall be taken, and the airborne sound insulation performance of adjacent guest rooms shall meet the requirements in Table 7.2.2 of this code.
2 The elevator rooms in hotel buildings, booster pumps, water tank rooms and other noise-generating rooms in high-rise hotels should not be adjacent to guest rooms, conference rooms, multi-purpose halls, etc.. If it is really necessary to install them on the upper part of these rooms, effective vibration isolation and noise reduction measures should be taken.
3 When the guest rooms are arranged on both sides of the corridor, the doors of the opposite rooms should be staggered. In the corridor, sound absorption treatment measures such as laying carpets and installing sound-absorbing ceilings should be adopted. The noise reduction coefficient (NRC) of the sound-absorbing materials used for the ceiling should not be less than 0.40.
4 The partition wall of the bathroom in the adjacent guest room shall be in close contact with the upper floor without gaps. All electrical sockets, distribution boxes or other supporting components embedded in the wall that cause damage to the wall structure on the partition wall of the adjacent guest room should not be arranged back to back, and should be staggered from each other, and the holes (slots) opened in the damaged wall should corresponding blocking measures.
5 The gap between the guest room partition wall or floor and the glass curtain wall should be sealed with materials with corresponding sound insulation performance, so as to ensure that the sound insulation performance of the entire partition wall or floor slab meets the standard requirements. Conditions should be reserved for this when designing glass curtain walls.
6 When the cabinets in adjacent guest rooms are arranged "back to back", the two cabinets shall be separated by walls that meet the requirements of sound insulation standards.
7.3.3 For conference rooms and multi-purpose halls with movable partitions, the airborne sound insulation performance of the movable partitions shall meet the requirements of the following formula.
Rw+C≥35dB (7.3.3)
In the formula. Rw-weighted sound insulation (dB);
C - pink noise spectrum correction amount (dB).
8 Office buildings
8.1 Allowable noise level
8.1.1 The noise level in offices and conference rooms shall comply with the requirements in Table 8.1.1.
8.2 Sound insulation standard
8.2.1 The airborne sound insulation performance of partition walls and floors of offices and meeting rooms shall meet the requirements in Table 8.2.1.
8.2.2 The airborne sound insulation performance between offices, conference rooms and adjacent rooms shall comply with the requirements in Table 8.2.2.
8.2.3 The airborne sound insulation performance of the exterior walls, exterior windows (including doors of unclosed balconies) and doors of offices and conference rooms shall comply with the provisions in Table 8.2.3.
8.2.4 The impact sound insulation performance of the top floors of offices and meeting rooms shall meet the requirements in Table 8.2.4.
8.3 Design of sound insulation and noise reduction
8.3.1 After the land use of the proposed office building is determined, necessary investigation, measurement and prediction shall be made on the current situation of environmental noise within the scope of the land use and its changes with urban construction.
8.3.2 For the overall layout of office buildings, buildings that are not sensitive to noise or auxiliary rooms in office buildings should be used to shield noise sources and reduce the impact of noise on office buildings.
8.3.3 In the design of office buildings, it should avoid arranging offices and meeting rooms adjacent to rooms with obvious noise sources;
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 50118-2010_English be delivered?Answer: Upon your order, we will start to translate GB 50118-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 9 ~ 13 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB 50118-2010_English with my colleagues?Answer: Yes. The purchased PDF of GB 50118-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|