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Noise and Vibration Control in Buildings

File : pdf, 2.13 MB, 152 pages

TOC

1. GENERAL

2. Noise and Vibration Criteria
General
Noise Criteria In Buildings
Vibration Criteria In Building

3. Sound Distribution Indoors
General
Sound Pressure Level in a Room
Room Constant
Sample Calculations

4. Sound Isolation Between Rooms
Objective
Sound Transmission Loss (TL), Noise Reduction (NR) & Sound Transmission Class (STC)
Transmission Loss-Walls, Doors, Windows
Transmission Loss of Floor-Ceiling Combinations

5. Sound Propagation Outdoors
Introduction
Distance Effects
Atmospheric Effects
Terrain and Vegetation
Barriers
Reception of Outdoor Noise Indoors
Combined Effects, Sample Calculation
Source Directivity

6. Airborne Sound Control
Introduction
Indoor Sound Analysis
Outdoor Sound Problem and Analysis
Quality of Analysis Procedure
Noise Control Treatments

7. Air Distribution Noise for Heating, Ventilating and Air Conditioning SYSTEMS
Introduction
General Spectrum Characteristics of Noise Sources
Specific Characteristics of Noise Sources
Control of Fan Noise in a Duct Distribution System
Procedure for Calculating Noise Control Requirements for an Air Distribution System
Calculation Example

8. Vibration Control
Introduction
Vibration Isolation Elements
Mounting Assembly Types
Tables of Recommended Vibration Isolation Details
Vibration Isolation-Miscellaneous

9. Mechanical Noise Specifications
Objective
General Considerations
Partitions and Enclosures
Mufflers and Duct Lining for Ducted Ventilation System
Sound Levels for Equipment

10. NOISE AND VIBRATION MEASUREMENTS
Objective
Sound and Vibration Instrumentation
Measurement of Noise and Vibration in Buildings
Measurement of Noise and Vibration Outdoors
A. REFERENCES
B. BASICS OF ACOUSTICS
C. SOUND LEVEL DATA FOR MECHANICAL AND ELECTRICAL EQUIPMENT

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