The influence of corrosion on the life of steel ropes and prediction of their decommissioning

Molnár, Vieroslav; Fedorko, Gabriel; Krešák, Jozef; Peterka, Pavel; Fabianová, Jana

doi:10.1016/j.engfailanal.2017.01.010

Cited by 31 publications

(13 citation statements)

References 19 publications

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“…The total motion resistance determined by calculation does not take into account other resistances normally encountered during the operation of the mining equipment, such as air resistance, friction resistance (sliding or rolling) of the mining crane against the guide [9][10].…”

Section: Resultsmentioning

confidence: 99%

Determination of mining equipment motion resistance

Hrabovský

Janek²

2019

MATEC Web Conf.

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The article presents the experimental measurement of the mining equipment motion resistance in the Mining Plant 1, the Lazy mine location district. The procedure of the experimental tests was as follows, one of the transport vessels was fitted with a weight of a known weight. The mining cage was loaded with the weight and pulled up in the traffic pit to the required depth, then the mining equipment was released and, using the IRC rotation speed sensor attached to the rope drum shaft, the travelled trajectory and the instantaneous mining cage speed were recorded with an indirect method. Upon reaching the speed of the transport vessels, a maximum of 3.15 m/s, the vessels were equipped with the mining equipment brakes and the transport vessels were slowed down to zero speed. From the recorded data in the PC memory, ie initial positions of both transport vessels, travelled trajectory and instantaneous speed values, the values were consequently calculated and added to the stated tables.

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Section: Resultsmentioning

confidence: 99%

Determination of mining equipment motion resistance

Hrabovský

Janek²

2019

MATEC Web Conf.

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“…Lee et al [11], Jung et al, [12]) to assess the significance of this impact. However, they simulated only "conventional" construction processes using conventional cranes and other conventional construction machinery [13][14][15].…”

Section: Current Situation In the Field Of Simulation Modeling In Thementioning

confidence: 99%

Construction of ropeways in Slovakia in terms of pre-construction design using helicopters (case study)

Bisták¹,

Hulínová²

2019

MATEC Web Conf.

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Ropeways usually provide access to locations inaccessible to other means of transport. Due to this fact, the construction of ropeways is extraordinarily taxing in terms of both, technology and logistics. The site location is often in terrain difficult to access, which often precludes deployment of common construction mechanisms in ropeway construction. In such case, it is advisable to deploy a transport mechanism independent of the terrain – a helicopter. Functioning as “flying cranes“, the helicopters have been used in construction industry in Slovakia for six decades now. Having amassed positive experience, even the “conventional“ construction industry of the time, especially its ropeway transport segment, started to use the benefits of helicopters, with helicopter deployment subsequently gaining ground and becoming the mainstream technological procedure. Ropeway construction can hardly be feasible without them even nowadays. Throughout the history of helicopter deployment in construction industry, a constant search of improving the efficiency of their work has been under way, necessitated by the helicopter’s sensitivitiy to weather conditions and work procedures alike. The paper presents an analysis of the factors affecting helicopter operation together with a proposed methodology of modeling their work in simulation models and the benefits of such approach.

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“…Similarly, analyses of the stress state and operational loading, as well as failure analyses of the steel wire ropes, are shown in publications [9,10,11,12]. Described in these papers [13,14,15], are the mathematical and geometrical models developed for a computer simulation of the steel wire ropes. The dynamic non-linear simulations, which were performed using the Finite Element Methods (FEM), are presented in the articles [16,17,18,19,20].…”

Section: Introductionmentioning

confidence: 99%

Simulation Analysis of Rope Belaying System

Mantič¹,

Kuľka²,

Faltinová³

et al. 2019

SJSUT.ST

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SIMULATION ANALYSIS OF ROPE BELAYING SYSTEM Summary. This article describes a technical proposal of anchoring determined for a horizontal belaying system, which was developed to increase the safety of crane operators and maintenance staff in their movements and work at heights. This belaying system can be installed either on the common, already existing footbridge of the overhead travelling crane or on the crane track. Loading of the steel wire rope was investigated by the simulation figurines during various assumed loading regimes. The figurines were attached to the rope belaying system by means of the standard personal protective equipment and the calculation process was realised using the non-linear dynamic FEM analysis.

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The influence of corrosion on the life of steel ropes and prediction of their decommissioning

Cited by 31 publications

References 19 publications

Determination of mining equipment motion resistance

Determination of mining equipment motion resistance

Construction of ropeways in Slovakia in terms of pre-construction design using helicopters (case study)

Simulation Analysis of Rope Belaying System

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