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Supplier: ASTM International
Description: of materials such as concrete, with variable properties, data from such tests are invaluable. Full-scale forced vibration testing is a useful tool for obtaining information on the condition of structural systems. As compared to ambient vibration testing, forced vibration testing can provide more
Supplier: Russells Technical Products
Description: the conditioned air via ductwork. Your Russells portable conditioner will have a wide variety of temperature and humidity control uses in your lab and in the field including: Vibration Testing Automotive “Squeak and Rattle” Testing Custom Test Enclosures Environmental Stress
- Type: Enclosure
- Industry: Industrial
- Specialized Application: Spot Cooling
- Operating Voltage: 230 VAC, 460 VAC, Other
Standards and Technical Documents - 664-1993 - IEEE Guide for Laboratory Measurement of the Power Dissipation Characteristics of Aeolian Vibaration -- 10.1109/IEEESTD.1993.119669
Description: . The methodologies and procedures described are applicable to indoor testing only. Keywords: aeolian, decay method, forced response method, inverse standing wave ratio (ISWR) method, overhead conductors, power dissipation characteristics, power method, vibration dampers.
Supplier: PCB Piezotronics, Inc.
Description: Modal Exciter 100 lbf Model 2100E11 The Modal Shop 2100E11 Modal Shaker is suitable for structural testing and experimental modal analysis applications, including single and multiple inputs (SIMO and MIMO) using random, burst random, sine dwell or chirp excitation signals. Benefits
Industrial Heaters - Reznor® RDH Series Rooftop, Power-vented Pre-Engineered Ventilation Air-Handler -- Model RDH350Supplier: Reznor
Description: gas or propane. Model RDH rooftop, power-vented heaters are approved for commercial/industrial installations in the United States and Canada by the ETL Testing Agency. Standard features include the Reznor® TCORE2® heat exchanger and single burner combustion system, a multi-try direct spark
- Heater Type: Air Heater, Circulation Heater, Forced Air Heater, Room / Space Heater, Specialty / Other
- Fuel / Energy Source: Natural Gas / Propane
- Maximum Air Flow: 6563 SCFM
- Heating Capacity: 102 kW
Supplier: Robinson Fans
Description: wheels. The emphasis on quality at Robinson is backed by expert workmanship and a thorough quality control program. Dye penetrant testing, magnetic particle inspection, sonic testing, vibration analysis and x-ray testing are all utilized to ensure that Robinson-built fans provide long, reliable
- Applications: Air Handling Units / HVAC, Exhaust Ventilation, Materials Handling / Pneumatics, Other
- Design Configuration: Axial
- Media Temperature: 70 to 2000 F
- System: Packaged (Complete System)
Supplier: Visual Communications Company, Inc.
Description: a 5/16" deep socket. The gasket is compressed as the ring is forced into place against the rear of the panel. This leaves the circuit board free from attachment to the display panel allowing for easy board insertion or removal. Tests by an independent testing laboratory have shown that the LMS lens
- Light Guide Type: LED
- Angle: Straight
- Termination Geometry: Unterminated
- Core Material: Plastic, Other
Industrial Heaters - Reznor® SHH Series 91% Efficient Separated-combustion Pre-Engineered Air-Handlers -- Model SHH350ESupplier: Reznor
Description: for space heating applications in commercial/industrial installations in the United States and Canada by ETL Testing Agency. Standard features include the Reznor Tcore3™ heat exchanger and single burner combustion system, a multitry direct spark ignition with 100% lockout, pressure switch
- Heater Type: Circulation Heater, Forced Air Heater, Room / Space Heater, Specialty / Other
- Fuel / Energy Source: Natural Gas / Propane
- Heating Capacity: 92.02 kW
- Phase: Single Phase, Three Phase
Supplier: Visual Communications Company, Inc.
Description: environmental testing laboratory have shown that the lens provides an effective seal against splash and drip conditions. In addition to the water tests, the lens and retaining systems were tested up to 6Gs of shock and from 0 to 2000Hz of vibration. An operating temperature test from -40°C to +85
- LED Hardware: LED Lens
- LED Type: T-1 3/4 (5mm)
- Lens Style: Domed, Fresnel
- Lens Color: Amber, Blue, Clear, Green, Red, Yellow
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New York Blower Company (The)
New State-of-the-Art Laboratory Testing Facility
. Accommodates Simultaneous Air Tests. Induced Draft and Forced Draft Test Capability. Additional Testing Capabilities: Modal Analysis. Impact (Bump) Testing. Balancing and Vibration Tests to a Variety of International Standards. NDE Weld Analysis. Wheel Destruction/Deformation Testing. Positive Material Identification/Verification (non-destructive). 2000 °F Burnout Oven. ASTM B117 Salt Fog Chamber Testing for Corrosion. CAD/Coordinate Verification of Physical Shapes (such as airfoil blades, fan inlet... (read more)
Browse Fans and Blowers (industrial) Datasheets for New York Blower Company (The)
Russells Technical Products
Portable Environmental Conditioners
a wide variety of temperature and humidity control uses in your lab and in the field including: Vibration Testing. Automotive "Squeak and Rattle" Testing. Custom Test Enclosures. Environmental Stress Screening (ESS). Material Testing. Spot Heating and Cooling. Environmental Forced Air for Avionics Testing. Ordinance Temperature Conditioning. Benefits of Russells Environmental Chambers. Test chambers from Russells Technical Products give you our combination of years of design, application... (read more)
Browse Environmental Test Chambers and Rooms Datasheets for Russells Technical Products
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Break it on purpose
table reaches accelerations up to 15 A close-up view of a unit under test shows the vibration clamp bars that secures the unit to the vibration table and the forced-air ducts used to heat or cool the unit. Equipment used to operate and monitor the unit under test sits outside the Halt chamber. Cables
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Dynamic characterization and damage detection in the I-40 bridge over the Rio Grande
Forced Vibration Testing of Bridges .....................................................................18 E.
Experiments for seismic damage detection of a RC frame using ambient and forced vibration records
For each damage level, ambient and forced vibration tests were performed, and dynamic properties of the frame were estimated.
Comparisons between ambient and forced vibration experiments
The mode amplitudes determined by ambient and forced vibration tests show systematic departure for high modes and near the top levels of buildings tested.
Damage detection algorithms applied to experimental modal data from the I-40 Bridge
Forced Vibration Testing , Undamaged ......................................
Health Monitoring of Bridges Complete Document
However, forced vibration tests with a defined falling weight have exceptional advantages concerning the parameters of the subsoil layers.
Variability of the fixed�?base and soil–structure system frequencies of a building—The case of Borik�?2 building
The analysis suggests consistency of the estimates of fsys from the earthquake response data, from the forced vibration tests before the earthquakes, and ambient vibration tests conducted near the end of the earthquake sequence.
Dynamic characteristics of soil�?foundation interaction system detected from forced vibration test and earthquake observation
Dynamic characteristics of soil�?foundation interaction system detected from forced vibration test and earthquake observation .
Isolation of soil�?structure interaction effects by full�?scale forced vibration tests
Isolation of soil�?structure interaction effects by full�?scale forced vibration tests .
SignalCAD: A Digital Signal Processing Software for Forced and Ambient Vibration Testing of Engineering Structures
FIG. 1—SignalCAD general flowchart for spectral analyses of signal records collected from forced vibration test .
Topics in Dynamics of Civil Structures, Volume 4
The modal properties of this structure were determined through a forced vibration test using one APS dynamics model 400 shaker located 2.7m from the support and 0.2m from the long edge of the slab, and 21 Honeywell QA accelerometers located...
Civil Engineering Topics, Volume 4
Further experimental work involving forced vibration tests is needed to clarify the issue.
Time and amplitude dependent response of structures
Forced vibration tests in this building were carried out from January to November 1963.20Three earthquakes (the Borrego Mountain in April 1968,1g the Lytle Creek in September 19701' and the San Fernando in February 1971la) were recorded in the basement and...
Parameter identification of framed structures using an improved finite element model�?updating method—Part II: application to experimental data
Yu E. Forced vibration testing and analytical modeling of a four-story reinforced concrete frame building.
System identification of a concrete arch dam and calibration of its finite element model
forced vibration test .
Identification of structural and soil properties from vibration tests of the Hualien containment model
Abstract Measurements of the response of the ¼�?scale reinforced concrete Hualien (Taiwan) containment model obtained during forced vibration tests are used to identify some of the characteristics of the superstructure and the soil.