|Abbreviation: ZICARE||Load: 30(L)
|Lecturers in charge: ||prof. dr. sc. Zvonko Herold
|Lecturers: ||prof. dr. sc. Zvonko Herold
doc. dr. sc. Matija Hoić
|Course description: Course objectives:
Familiarize with calculation methods of cableways calculation of sag, forces in rope, forces on towers. Understanding of the characteristics, properties and application of cableways. Learn how to make ropes and drive power calculation. Familiarize with cableway installations and their elements design. Acquire the fundamental knowledge of funicular railways and cable cranes. Acquire fundamentals about standards and safety requirements for cableways.
Enrolment requirements and required entry competences for the course:
attendance to lectures and exercises,
individual solving and presentation of examples,
pass preliminary exam.
Grading and evaluation of student work over the course of instruction and at a final exam:
activity and attendance during classes (lectures and exercises) 20%,
individual solving and presentation of examples 40%,
preliminary exam 40%.
Methods of monitoring quality that ensure acquisition of exit competences:
Upon successful completion of the course, students will be able to (learning outcomes):
calculate sag and forces on the empty rope with counterweight;
calculate sag and forces on the carrying rope with counterweight, with single or multiple loads in the span;
calculate sag and forces on the hauling and track rope, with counterweight, and with single or multiple loads in the span;
calculate needed rope diameters, weight of counterweight and drive power;
describe types of aerial ropeways and their characteristics;
explain working mode, application and specifics of the funicular railways construction and calculation;
explain working mode, application and specifics of the cable cranes construction and calculation;
demonstrate gained knowledge by solving and presenting the given examples.
1. Cableways, description and uses (aerial ropeways, funicular railways, cable cranes) with examples of application. Ropes, types of ropes: track rope, haulage rope, carrying hauling rope.
2. Aerial ropeways. Cable spans: anchored and counterweighted spans. Aim and function of counterweighting. Theory of catenary (chainette), hyperbolic cosine and parabolic catenary.
3. Comparison, application and properties of hyperbolic cosine and parabolic catenary. Cable theorem and its application.
4. Calculation of cable deflection and tension forces. Statics of rope without load (empty span). Examples for hyperbolic and parabolic catenary.
5. Statics of loaded rope. Single and multiple loads in field.
6. Track and haul rope with single load in field. Deflection of rope and tension forces. Trajectory of load. Examples.
7. Track and haul rope with multiple loads in span. Calculation of deflection of the rope and tension forces. Examples.
8. Cableway ropes: types and characteristics. Approximate and contour calculation of ropes. Counterweight sizing.
9. Load cases during different working conditions. Calculation of drive power.
10. Elements of cableway installations. Driving and tensioning station., Carriers, grips, supporting structures.
11. Design parameters of cableways, load capacity. Characteristics and design details of contemporary cableways.
12. Chair lifts. Characteristics, particularities of calculation and construction.
13. Funicular Railways. Types, characteristics and application. Calculation of ropes and drive power. Construction details.
14. Cable crane. Types, characteristics and application. Calculation of ropes anchored at both ends. Details of construction.
15. Standards for cableway installations. Law on cableways designed to carry persons. Rules on technical requirements for cableways. Terminology (HRN EN 1907). Directive 2000/9/EC.
1. Pictures of various cableways. Cableway construction and mounting presentation.
2. Computer assisted illustration of counterweight action on rope and catenary properties.
3. Familiarizing with computer code for catenary calculations. Examples.
4. Examples of calculation for empty span cable deflection and tension forces.
5. Examples of calculation for cable deflection and tension forces with single and multiple loads in span.
6. Examples of calculation for track and haul rope deflection and tension forces with single load in span.
7. Examples of calculation for track and haul rope deflection and tension forces with multiple loads in span.
8. Calculation of track, hauling and trackhauling ropes.. Examples.
9. Reversible aerial ropeway, calculation of drive power.
10. Reversible aerial ropeway; calculation of tension forces, deflection of ropes and supporting structures forces.
11. Individual examples solving. Consultation assisted. Calculation of ropes and drive power for 2S cableway with single span.
12. Individual examples solving. Consultation assisted. Calculation of chair lift route (tension force, deflection of rope, and supporting structures forces).
13. Individual examples solving. Consultation assisted. Calculation of funicular railway: ropes and drive power.
14. Completion of individual examples solving.
15. Presentation of solved examples. Preliminary exam.
|1. ||D. Ščap: Žičare, udžbenik spreman za tisak (raspoloživo za studente), Zagreb, 2015.
|2. ||E. Czitary: Seilschwebebahnen, 2. Aufl., Springer-Verlag, Wien, 1962.
|3. ||D. Ščap: Uspinjače, Tehnička enciklopedija, Sv. 13, str.372-375, Leksikografski zavod M. Krleža, Zagreb, 1997.
|Recommended literature: - - -