欢迎访问中科光析科学技术研究所官网!
免费咨询热线
400-635-0567
建筑构件声学性能检测项目报价? 解决方案? 检测周期? 样品要求? |
点 击 解 答 ![]() |
本标准规定了声防护用的隔声间隔声性能侧定的实验室方法(第6章)和现场方法(第7章)。隔声性能是以用隔声间后得到的声压级或声功率级降低值来表示。本方法适用于小泄露比(小于等于2% )的隔声间。 本标准仅适用于整体的隔声间,而不适用于构成隔声间的单个部件。 注:隔声间部件(诸如:板壁元件、门、窗、消声器等)的隔声值应按其他有关标准测量。
本标准涉及用于噪声控制的隔声罩和隔声间的性能,它规定了声学和运行方面的要求,并要求隔声罩和隔声间的供货商或制造商同用户在这些要求方面达成一致。本标准适用于如下两类隔声罩和隔声间: a)用于操作人员噪声防护的隔声间:独立隔声间和与机器(如车辆、起重机)相连的隔声间; b)部分或全部罩住机器的独立隔声罩:本标准主要对象是未进行声学处理的敞口面积占总表面积小于10%的隔声罩。 本标准适用于轻质结构,同时也适用于厚重结构(如砖墙)。未进行声学处理的敞口面积大于总表面积10%的隔声罩和隔声间属于部分围蔽结构范畴,不属于本标准研究范围。 本标准不适用于构成机器一部分并且与之紧密相连的隔声罩 。
GB/T 19889的本部分规定了一种测量用于降低撞击噪声传递的楼板面层的声学性能的方法。本部分的目的是确立一种在标准测试条件下测定楼板覆面层撞击声改善量的方法。本测试方法仅限于规定实验室条件下,以人工声源(标准撞击器)作噪声源的物理测量方法,而不涉及测量结果的主观意义。 本部分适用于测量覆盖在标准楼板上的各种单层或多层楼板面层材料。对于多层材料,既可在工厂预制,也可在测试现场组装。本测量方法仅适用于实验室测量,不涉及楼板覆面层现场效果评价的任何条款。
GB/T 19889的本部分给出了如下小建筑构件在扩散声场条件下空气声隔声的实验室测量方法。测量结果可用于指导开发具有适当隔声性能的建筑构件,也可根据测量结果对这类构件按其隔声性能进行分级,以及评估这类构件对建筑中隔墙结构隔声的影响。 本部分的适用对象是指面积小于1 m<上标2>、且侧向尺度确定的各种建筑构件、但不包括门和窗。这些建筑构件在两个相邻的房间之间、或一个房间与独立于建筑体的毗邻户外空间之间进行传声。 适用本部分的一些设备举例如下: ——通风设备; ——通风口(空调器); ——室外进气口; ——电气管道(电缆管); ——传输密封系统。 本方法不适用于测量组合单元中的组成部件,因为组成部件的相关声透射或许取决于各构件之间的相互影响。
GB/T 19889的本部分规定了涉及空气声隔声和撞击声隔声的现场测量,本部分是对GB/T 19889.4和GB/T 19889.7的补充,给出了在GB/T 19889.4和GB/T 19889.7中未直接涵盖的特殊现场条件下隔声测量的导则。本部分主要适用于住宅、学校和旅馆等建筑中容积小于250 m<上标3>的房间的隔声测量。按GB/T 19889.4和GB/T 19889.7测量时并不要求使用本部分,除非另有约定。
本标准论述了声屏障的效用。它规定了声屏障用户与供应商或厂家需协商一致的声学和使用要求。本标准可用于下列各种声屏障: a)用于办公室、服务区、展区及类似场所的独立声屏障; b)与此类场所的家具设施相结合的声屏障; c)用于车间的便携式和移动式声屏障; d)未作声学处理的、具有10%以上开口面积的房间固定分隔墙。 与房间边界面一起同样将房间分隔的局部隔声罩和工作间的墙体,其表面未做声学处理,并且具有lO%以上开口面积,也可看作为声屏障。 注:GB/T 19886给出了全封闭隔声罩的指南。 本标准不适用于小房间的墙和厚度超过0.2 m的类似多层墙,也不适用于横幅和其他类型的悬吊障板
本标准规定了浇铸型聚甲基丙烯酸甲酯声屏板的术语和定义、要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于以甲基丙烯酸甲酯为原料,以浇铸形式进行本体聚合而成的、不嵌或嵌有加强筋聚甲基丙烯酸甲酯声屏板(以下简称浇铸型PMMA声屏板)。
GB/T 36075的本部分规定了普通房间混响时间的测量方法、测量步骤、测量设备、测点数量、结果评价和测试报告式样。测量结果可用于声源声压级测量和隔声测量等声学测量中修正项的计算,并可用于与房间的混响时间设计要求进行比较。
本标准适用于房屋建筑和市政基础设施工程检测的分类。
本标准规定小型建筑构件于扩散声场条件下空气音隔音性能之实验室量测方法。量测结果得应用于开发具有适当声学性能之建筑构件,亦得依隔音性能进行分类,并评估其对建筑物隔间构造隔音性能之影响。本标准适用于面积小于1 m2且外侧尺度确定之各种建筑构件,惟不包括门及窗。其声音传播之建筑构件系位于两相邻房间之间,或于一房间与开放空间(独立于建筑构件)之间。
This document specifies calculation models designed to estimate the airborne sound insulation between adjacent rooms in buildings, primarily using measured data which characterize direct or indirect flanking transmission by the participating building elements, and theoretically-derived methods of sound propagation in structural elements. A detailed model is described for calculation in frequency bands, in the frequency range 1/3 octave 100 Hz to 3 150 Hz in accordance with ISO 717-1, possibly extended down to 1/3 octave 50 Hz if element data and junction data are available (see Annex I); the single number rating can be determined from the calculation results. A simplified model with a restricted field of application is deduced from this, calculating directly the single number rating, using the single number ratings of the elements; a method to determine uncertainty is proposed for the simplified model (see Annex K). This document describes the principles of the calculatio
This document specifies calculation models designed to estimate the impact sound insulation between rooms in buildings, primarily using measured data which characterize direct or indirect flanking transmission by the participating building elements and theoretically-derived methods of sound propagation in structural elements. A detailed model is described for calculation in frequency bands, in the frequency range 1/3 octave 100 Hz to 3150 Hz in accordance with ISO 717-1, possibly extended down to 1/3 octave 50 Hz if element data and junction data are available (see Annex E); the single number rating of buildings can be determined from the calculation results. A simplified model with a restricted field of application is deduced from this, calculating directly the single number rating, using the single number ratings of the elements; the uncertainty on the apparent impact sound pressure level calculated using the simplified model can be determined according to the method described in ISO
This document specifies a calculation model to estimate the sound insulation or the sound pressure level difference of a façade or other external surface of a building. The calculation is based on the sound reduction index of the different elements from which the façade is constructed and it includes direct and flanking transmission. The calculation gives results which correspond approximately to the results from field measurements in accordance with ISO 16283-3. Calculations can be carried out for frequency bands or for single number ratings. The calculation results can also be used for calculating the indoor sound pressure level due to for instance road traffic (see Annex E). This document describes the principles of the calculation model, lists the relevant quantities and defines its applications and restrictions.
This document specifies a calculation model to estimate the sound power level radiated by the envelope of a building due to airborne sound inside that building, primarily by means of measured sound pressure levels inside the building and measured data which characterize the sound transmission by the relevant elements and openings in the building envelope. These sound power levels, together with those of other sound sources in or in front of the building envelope, form the basis for the calculation of the sound pressure level at a chosen distance from a building as a measure for the acoustic performance of buildings. The prediction of the inside sound pressure level from knowledge of the indoor sound sources is outside the scope of this document. The prediction of the outdoor sound propagation is outside the scope of this document. NOTE For simple propagation conditions an approach is given for the estimation of the sound pressure level in Annex E. This document describes the pri
This European Standard specifies the common requirements for safety and the (minimum) common performance requirements of firefighting and rescue service vehicles as designated in EN 1846-1.
(1)This Part 1-2 of EN 1996 deals with the design of masonry structures for the accidental situation of fire exposure, and is intended to be used in conjunction with EN 1996-1-1, EN 1996-2, 1996-3 and EN 1991-1-2.This part 1-2 only identifies differences from, or supplements to, normal temperature design. (2)This Part 1-2 deals only with passive methods of fire protection. Active methods are not covered. (3)This Part 1-2 applies to masonry structures which, for reasons of general fire safety, are required to fulfil certain functions when exposed to fire, in terms of: avoiding premature collapse of the structure (load bearing function); limiting fire spread (flames, hot gases, excessive heat) beyond designated areas (separating function) (4)This Part 1-2 gives principles and application rules for designing structures for specified requirements in respect of the aforementioned functions and levels of performance. (5)This Part 1-2 applies to structures, or parts of structures, that are within the scope of EN 1996-1-1, EN 1996-2 and EN 1996-3 and are designed accordingly. (6)PThis Part 1-2 does not cover masonry built with Natural Stone units to EN771-6 (7)PThis Part 1-2 deals with the following; non-loadbearing internal walls; non-loadbearing external walls; loadbearing internal walls with separating or non-separating functions; loadbearing external walls with separating or non-separating functions.
This document describes calculation models to estimate the sound pressure level in buildings due to service equipment. As for the field measurement document (EN ISO 16032) it covers sanitary installations, mechanical ventilation, heating and cooling, service equipment, lifts, rubbish chutes, boilers, blowers, pumps and other auxiliary service equipment, and motor driven car park doors, but can also be applied to others equipment attached to or installed in buildings. The estimation is primarily based on measured data that characterises both the sources and the building constructions. The models given are applicable to calculations in frequency bands.This document describes the principles of the calculation models, lists the relevant quantities and defines its applications and restrictions. It is intended for acoustical experts and provides the framework for the development of application documents and tools for other users in the field of building construction, taking into account local circumstances. The calculation models described use the most general approach for engineering purposes, with a link to measurable quantities that specify the performance of building elements and equipment. The known limitations of these calculation models are described inThis document. Users should, however, be aware that other calculation models also exist, each with their own applicability and restrictions. The models are based on experience with predictions for dwellings and offices; they could also be used for other types of buildings provided the constructional dimensions are similar to those in dwellings.
This European Standard identifies material independent performance characteristics that are applicable to windows (including roof windows, roof windows with external fire resistance and French windows), external pedestrian doorsets (including unframed glass doorsets, escape route doorsets) and screens.This European Standard applies to: Manually or power operated windows, French windows and screens for installation in vertical wall apertures and roof windows for installation in inclined roofs, complete with: related hardware, if any; weather stripping, if any; glazed apertures when intended to have glazed apertures; with or without incorporated shutters and/or shutterboxes and/or blinds; and manually or power operated windows, roof windows, French windows and screens that are; fully or partially glazed including any non-transparent infill; fixed or partly fixed or openable with one or more casements/sashes (e. g. hinged, projecting, pivoted, sliding). Manually operated external pedestrian doorsets with flush or panelled leaves, complete with: integral fanlights, if any; adjacent parts that are contained within a single frame for inclusion in a single aperture, if any. The products covered byThis European Standard are not assessed for structural applications.This European Standard does not apply to: windows and pedestrian doorsets subject to regulations on smoke leakage and resistance to fire according to prEN 16034 but individual characteristics and performance requirements given in clause 4 can be relevant for these doors and windows (see prEN 16034); rooflights according to EN 1873 and prEN 14963; curtain walling according to EN 13830; industrial, commercial and garage doors and gates according to EN 13241-1; internal pedestrian doorsets according to prEN 14351-2 but individual characteristics and performance requirements given in clause 4 can be relevant for internal doors (see prEN 14351-2); revolving doorsets; windows for escape routes.
This document specifies field survey methods for measuring: a) airborne sound insulation between rooms; b) impact sound insulation of floors; c) airborne sound insulation of fa?ades; and d) sound pressure levels in rooms caused by service equipment.
La présente norme spécifie les méthodes d'essai, les exigences d'essai et les classifications applicables aux caissons de traitement d'air qui fournissent et/ou évacuent l'air par des réseaux de conduits, pour la ventilation/climatisation de tout ou partie de bâtiment. Elle ne s'applique pas aux équipements suivants : caissons de climatisation desservant une aire limitée d'un bâtiment comme les serpentins de ventilateurs ; caissons pour immeubles résidentiels ; caissons produisant de l'air de ventilation principalement pour un procédé de fabrication.Excepté en ce qui concerne les performances thermiques et acoustiques de l'enveloppe, les méthodes d'essai et les exigences s'appliquent à la fois au caisson complet et aux différentes sections.L'essai de dérivation du filtre ne s'applique pas aux filtres à air à très haute efficacité (HEPA).La méthode d'essai des performances thermiques de l'enveloppe peut être utilisée pour comparer différentes constructions, mais pas pour calculer les pertes thermiques à travers l'enveloppe, ni le risque de condensation.De même, la méthode d'essai des performances acoustiques de l'enveloppe peut être utilisée pour comparer différentes constructions, mais pas pour fournir des données acoustiques précises pour des caissons spécifiques.