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Measuring the Forces Involved in Single Point Aerial Dance Trapeze

Auteurs : Vogel, James E. (Auteur) ; Lisowski, Dan (Directeur de mémoire)

Éditeur : University of Wisconsin-Madison - Fine Arts in Theatre and Drama (Emphasis in Theatre Technology)

Date de publication : 2014

Langue : Anglais

Description : 114 p. : ill. coul. ; 28 cm.

Notes : Bibliogr. : p. 79-81

Sujets :
Agrès de cirque
Arts du cirque - Mesures de sécurité
Danse aérienne

Dépouillement du document :
1 - Introduction

2 - What is "Aerial Dance"?
2.1. How did aerial dance first get started?
2.1.1. Terry Sendgraff: A seminal artist and instructor
2.1.2. Single point aerial dance trapeze
2.1.3. Single point aerial dance trapeze movement vocabulary
2.1.4. Specific movement used for this research Track and Tap description

3 - Hardware/software/equipment
3.1. Introduction
3.2. Rigging Hardware
3.3. Measurement hardware
3.3.1. System Overview
3.3.2. Load cells
3.3.3. Electronics enclosure
3.3.4. Beckhoff modules
3.4. Measurement software

4 - Data Analysis
4.1. Research protocol
4.2. Raw data
4.3. Analysis of the averages of the maximums of the data
4.4. Analysis of the maximum data
4.5. Analysis of the ratio of maximum force to aerialist's weight
4.6. Inferences based on the analysis of the data
4.7. Analysis of cyclical types of movements
4.7.1. Analysis of Track and Tap #2 for Participant 7
4.7.2. Analysis of Pegasus #2 for Participant 7
4.8. Force equation and shock Loading
4.8.1. Theoretical peak shock load
4.8.2. Peak Load – calculated using values from equipment used in research
4.8.3. Establishing a reasonable Peak Load
4.9. Determining a Working Load Limit
4.9.1. TSP definitions of different types of loads
4.9.2. Peak Loading
4.9.3. Characteristic loading for drops and falls (Vertical)
4.9.4. Characteristic loading for cyclical movement (Horizontal)
4.9.5. Summary of design load limits
4.9.6. Equipment used in research
4.9.7. Determining Working Load Limit

5 - Rigging considerations and options
5.1. Introduction
5.1.1. Site considerations
5.2. Connecting equipment to the building structure
5.2.1. Beam clamps
5.2.2. Eye Bolts
5.2.3. Round Slings
5.2.4. Custom design
5.3. Rigging summary

6 - Summary

Appendix A - Research Participant Information and Consent Form
Appendix B - Waiver
Appendix C – Calibration Certificates
Appendix D – Structured Text program

Résumé :
Over the past several decades, the lines between dance, theatre and circus have blurred and circus equipment has found its way into all of the performing arts. With this new exploration of circus equipment, Technical Directors and Riggers frequently find themselves needing to rig apparatus that they are unfamiliar with. This rigging not only occurs in traditional theatres that they have experience with, but also often in found spaces, where load capacities may not be as clear. A thorough understanding of the forces involved when circus and aerial dance equipment are used is important when determining rigging hardware and mount points.

This thesis measures how much force is generated in typical single point aerial dance trapeze movements and, after analyzing that force data provides some insight into what rigging hardware might be needed to properly support such movements. Chapter 1 is a brief introduction to the thesis; Chapter 2 discusses the history of “Aerial Dance” and provides background information on it; Chapter 3 reviews the hardware and software used in the research; Chapter 4 analyses the force data, and provides the formulas used to calculate Working Load Limits; Chapter 5 reviews different rigging hardware options and concerns with each; Chapter 6 is a summary of the thesis. [author summary]

Collection : Bibliothèque de l'École nationale de cirque

Localisation : Bibliothèque

Cote : 791.340 28 V878m 2014

  • Ex. 1 — disponible

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