Alarm system to prevent the overturning of truck cranes considering possible ground failure

Fukagawa, Ryoichi; Muro, Tatsuro

doi:10.1016/b978-0-444-82044-0.50008-4

Cited by 4 publications

(10 citation statements)

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“…The tipping conditions when the ground is very rigid were obtained in the last ISARC paper [1]. When the point of resultant force applied to the truck crane is within the rectangle determined from the positions of outriggers, the tipping does not occur theoretically if the ground is very rigid.…”

Section: -2 Tipping Conditions When the Ground Is Very Rigidmentioning

confidence: 99%

“…The tipping conditions when the ground might possibly fail were also obtained in the ISARC paper [1]. Since the load P corresponding to D=1 is the bearing capacity at yield Py , i) when the yield occurs at only one outrigger, e. g. at No.2 outrigger in Fig.2, the tipping does not occur theoretically if R2<Py , in the same way ii) when the yield occurs at two outriggers along the long axis (B-B' in Fig.2) of the carrier, e. g. at No.2 and 4 outriggers, the tipping does not occur theoretically if RB=R2+R4<2Py , and iii) when the yield occurs at two outriggers along the short axis (A-A' in Fig.2) of the carrier, e. g. at No.1 and 2, the tipping does not occur theoretically if RD=R1+R2<2Py .…”

Section: -3 Tipping Conditions When Ground Failure Is Possiblementioning

confidence: 99%

“…The determination procedure of pmax and SS has already been introduced in a previous paper [1 ]. Based on these parameters , py and D(c) are determined by the following procedure .…”

Section: -4 Alarm Systemmentioning

confidence: 99%

“…In the 11th ISARC at Brighton, the authors proposed a new method to prevent the overturning of truck cranes considering possible ground failures [1]. In this study, the tipping conditions of a truck crane were formulated against the cases in which the ground is rigid enough and in which the ground might possibly fail.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Evaluation of an Alarm System to Prevent the Overturning of Truck Cranes

Fukagava¹,

Muro²,

Tanigami³

1997

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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Section: -2 Tipping Conditions When the Ground Is Very Rigidmentioning

confidence: 99%

Section: -3 Tipping Conditions When Ground Failure Is Possiblementioning

confidence: 99%

“…The determination procedure of pmax and SS has already been introduced in a previous paper [1 ]. Based on these parameters , py and D(c) are determined by the following procedure .…”

Section: -4 Alarm Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Evaluation of an Alarm System to Prevent the Overturning of Truck Cranes

Fukagava¹,

Muro²,

Tanigami³

1997

Proceedings of the International Symposium on Automation and Robotics in Construction (IAARC)

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“…(3) in Fig.3 (see Ref. [2][31 as to this equation). The first half of Fig.3 is concerned with the estimation of Eq.…”

Section: Theoretical Formulation Of the Reaction Of An Excavator Measmentioning

confidence: 99%

Interaction between a Model Excavator and the Surrounding Ground during Positioning Control Tests

Fukagawa¹,

Muro²,

Hozumi³

et al. 1995

Proceedings of the 12th International Symposium on Automation and Robotics in Construction (ISARC)

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A series of laboratory tests by using a model excavator for the diaphragm wall method were carried out in order to investigate the interaction between the model excavator and the surrounding ground. The behaviour of the excavator was theoretically formulated and the theoretical values were compared with the experimental data. As a result, the calculated displacement of the excavator showed good accordance with the measured values for each ground condition investigated.

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Tip-Over Responses of Hydraulic Mobile Cranes

Abo-Shanab

Sepehri

2006

Transactions of the Canadian Society for Mechanical Engineering

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The aim of this paper is to develop a complete simulation model and study the tip-over responses of mobile cranes. The developed model takes into account all factors that could affect the overturning of truck cranes including: (I) detailed dynamics of Ibe manipulator links and the base that can potentially rock back and forth, (iI) combined vehicle suspension and ground-tire compliance, (iiI) condition of the ground under the wheels or Ibe outrigger pontoons, (iv) friction between Ibe outriggers/tires and the ground, (v) spatial motion of load carried, via a rope, by the telescopic boom of the truck crane, and (VI) hydraulic drive system. The model also includes the effect of the presence of the wheels that can support the machine in case of ground failure at any of the outrigger pontoons, aud therefore is capable of predicting subsequent responses in case of soil failure under the cmne supports. Simulation results are presented to understand tip-over responses of a typical mobile crane in the presence of load lifting, load swivel, ground failure and various ground conditions. The model developed in this paper is shown to be capable of producing detailed information about the machine responses, the reaction forces at crane' supports and Ibe state parameters of drive system to various input scenarios. The acquired information could additionally be used for improving Ibe design oflbe cranes in geneml. REPONSES DE RENVERSEMENT DES GRUES MOBILES HYDRAULIQUES Resume Cet article a pour but de creer un modele de stimulation complete et de realiser une etude sur les reponses de renversement des grues mobiles hydmuliques. I.e modele elabore tient compte de tous les facteurs qui pourraient toucher au renversement des grues sur camion : (I) dynamique detamee des liens au manipulateur et la base qui pourrait eventuellement basculer de l'arriere it l'avant, (it) la combinaison d'une suspension de vehicule et de la compliance sol-pneu, (iit) l'etat du sol sous les roues ou les pontons du stabilisateur, (iv) Ia friction entre les stabitisateurs et les pneus etle sol, (v) la motion spatiale de la charge transportee, au moyen de Ia corde, par la fleche telescopique de la grue sur camion, et (1'1) Ie systeme de transmission hydraulique. Le modele comprend egalement l'effet de la presence des roues qui peuvent soutenir la machine en cas d'un defaut it la terre it n'importe quel ponton de stabitisateur; il peut done predire des reponses subsequentes dans Ie cas d'une fissure du sol sous les supports de grue. Les resultats de stimulation sont presentes pour comprendre les reponses de renversement d'une grue mobile typique lors du soulevement et du pivotement d'une charge, d'un defaut II la terre et de differenls etats du sol. I.e modele tllabore dans cet article offre des renseignements detailles sur les reponses de machine, les forces de reaction aux supports de la grue et les parametres d'etat du systeme d'entralnement dans Ie cadre de differents scenarios. En outre, l'information acquise pourrait servir it ameliorer la conception ...

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Alarm system to prevent the overturning of truck cranes considering possible ground failure

Cited by 4 publications

References 0 publications

Evaluation of an Alarm System to Prevent the Overturning of Truck Cranes

Evaluation of an Alarm System to Prevent the Overturning of Truck Cranes

Interaction between a Model Excavator and the Surrounding Ground during Positioning Control Tests

Tip-Over Responses of Hydraulic Mobile Cranes

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