Búsqueda personalizada

Galgas Extensiométricas

Dudas, comentarios sobre temas de Laboratorio de instrumentacion electronica

Re: Galgas Extensiométricas

Notapor pichu » Jue, 03 May 2012, 12:16

How to Install High-Temperature Strain Gages
SURFACE PREPARATION

http://www.hofstragroup.com/article/how ... ain-gages/
pichu
 
Mensajes: 244
Registrado: Vie, 08 Jul 2011, 22:01


Re: Galgas Extensiométricas

Notapor blas » Mié, 09 May 2012, 08:43

Capítulo III PREPARACIÓN DE LOS ENSAYOS




DESIGN, CONSTRUCTION AND DEPLOYMENT OF A COMPACT, ROBUST FIELD DATA ACQUISITION SYSTEM FOR STRUCTURAL FIELD MONITORING



1.0 INTRODUCTION………………………………………………………………..
1.1 Experimental Stress Analysis……………………………………………..
1.2 Application of the Field Data Acquisition System………………………..
1.3 Organization of Thesis…………………………………………………….
2.0 DESCRIPTION OF INSTRUMENTATION……………………………………..
2.1 Overview of Experimental Stress Analysis……………………………….
2.1.1 Stress and Strain Relationship…………………………………
2.1.2 Electrical-Resistance Strain Gage Principles………………….
2.1.3 Wheatstone Bridge…………………………………………….
2.1.4 Metal Foil Strain Gage, Composition………………………….
2.1.5 Foil Gage Characteristics………………………………………
2.2 Description of Field Instrumentation……………………………………...
2.2.1. Metal Foil Gages……………………………………………….
2.3 Field Installation Procedure………………………………………………
2.3.1 Surface Preparation…………………………………………….
2.3.2 Metal Foil Gage Application…………………………………..
2.3.3 Testing of Metal Foil Gage Installation………………………..
2.3.4 Application of Wax Covering………………………………….
2.4 Thermal Measurements…………………………………………………...
2.4.1 Thermocouples and Thermistors……………………………….
2.4.2 Temperature Probe Accuracy…………………………………..
2.4.3 Installation of Temperature Probes…………………………….
2.5 Displacement Transducers…………………….…………………………..
3.0 DESCRIPTION OF DATA ACQUISITION SYSTEM ………………………….
3.1 Overview…………………………………………………………………..
3.2 Component Overview……………………………………………………..
3.2.1. Datalogger Physical Description………………………………
3.2.2. Datalogger Programming and Data Storage…………………...
3.2.3. Programming the CR23x Micrologger………………………...
3.2.4 Transferring Data Between Datalogger and Computer………..
3.2.5 Wheatstone Bridges……………………………………………
3.2.6 Full Bridge Measurements……………………………………..
3.2.7 Multiplexers……………………………………………………
3.2.8 Programming in SCWin with AM416 Multiplexers…………..
3.3 Boyer Bridge Project Field Data Acquisition System Setup……………...
3.3.1 Wiring Nomenclature………………………………………….
3.3.2 Datalogger Measurement Program…………………………….
3.3.3 Field Data Acquisition System Wiring………………………...
3.3.5 DCDT Wiring…………………………………………………...
3.3.6 Datalogger – Computer Interface……………………………….
3.3.7 P3500 and Switch and Balance Unit Setup……………………..
3.4 Verification of CR23x Datalogger and P3500 Strain Indicator…………..
4.0 FIELD TESTING OF SYSTEM …………………………………………………...
4.1 Description of Field Test……………………………………………………
4.1.1 Overview of Testing Procedure Test Site Preparation…………..
4.1.2 Wheel Load Measurement……………………………………….
4.1.3 Instrumentation Check…………………………………………...
4.1.4 Field Testing Procedure………………………………………….
4.2 Results…………………………………………………………………….
4.2.1 Presentation of Results…………………………………………..
4.2.2 Complete Data Set Description………………………………….
4.2.3 Zero Measurement Record………………………………………
4.2.4 Maximum Range of Strain Values………………………………
4.2.5 Strain Profile……………………………………………………..
4.2.5 Validity of Results…………………………………
blas
 
Mensajes: 201
Registrado: Mié, 15 Feb 2012, 19:50


AnteriorSiguiente

Volver a Laboratorio

¿Quién está conectado?

Usuarios navegando por este Foro: No hay usuarios registrados visitando el Foro y 1 invitado

cron
Review foroingenieria.cajael.com on alexa.com