Strength Behavior Analysis of Insert Plate for Placing Corner Fitting due to Container Load

2021

Turbo

Ro-Ro type trans ships have a Car Deck which is useful for accommodating cargo in the form of vehicles. The construction of the deck must be strong enough so that it does not suffer structural damage when working with a certain load. In this case the stress strain becomes very important as an element of deck strength. As for what affects the strength of the deck construction, one of which is the stiffener distance. This purpose of research to determine the response of the car deck structure with variations in stiffener distance to the stress-strain value. The method used is the Finite Element Method. The results of detected the maximum stress value at a stiffener distance of 550 mm 325.471 N/mm2 with a maximum strain of 3.33 x 10-2 mm, for a stiffener distance of 650 mm the maximum stress was 407.521 N/mm2 and a maximum strain of 3.35 x 10-2 mm, a stiffener distance of 750 mm the maximum stress generated is 444.129 N/mm2 with a maximum strain of 3.36 x 10-3 mm, a stiffener distance of 850 mm, the maximum stress generated is 448.469 N/mm2 with a maximum strain of 3.43 x 10-3 mm. For a stiffener distance of 950 mm, the maximum stress is 452.567 N/mm2 with a maximum strain of 3.53 x 10-3 mm.

Section: Kekuatanunclassified

Respon struktur akibat perubahan jarak stiffener pada car deck Kapal Ferry Ro-Ro

Alamsyah

Pangestu

2021

Turbo

“…It is conducted by detecting the stress ratio in which it is compared to the working stress that occurs in the construction due to external loads that happened on the ship with the allowable stress of the material [10]. To fulfill the allowable stress (yield strength), the modulus of construction is increased by increasing the thickness of the plate or longitudinal carling [11]. The strength of the construction, given a continuous load, its material will reach the point of fatigue which results in permanent damage as a process of changing the permanent structure at one point becoming a crack.…”

Section: Introductionmentioning

confidence: 99%

Fatigue Life Assessment of Sideboard on Deck Barge Using Finite Element Methods

Alam

Majalah Ilmiah Pengkajian Industri

Oktavaro

et al. 2023

A Deck barge is a type of ship that has a flat hull used to transport large amounts of cargo such as wood, coal, sand, etc. The deck barge uses retaining walls to transport bulk loads on deck known as sideboards which can collapse due to fatigue life. The purpose of this research is to determine the maximum stress and fatigue life of the sideboard construction based on the height of the bulk load on the sideboard using coal as the bulk load. The method used in this research is the finite element method with a high load case of coal loading to the sideboard is 2.24 m, 2.60 m, and 2.96 m. The results showed that a high load case of 2.24 m detected a maximum stress value of 79.25 MPa and a fatigue life of 81.16 years with 10 x 105 cycles. Load case with a high load of 2.60 m detected a maximum stress value of 110.11 MPa and a fatigue life of 24.72 years with 3.53 x 105 cycle. For a high load case of 2.96 m, a maximum stress value of 146.80 MPa was detected and a fatigue life of 9.28 years with 2 x 105 cycle. There is an increasing stress value by the rise of the load height against the sideboard and there is a decrease in the fatigue life in the construction. Keyword: Barge, Fatigue Life. Sideboard, Stress.

“…The normal strength of a ship's steel structure has a minimum melting point of REH 235 N/mm 2 and a tensile strength of Rm 400 -520 N/mm 2 (BKI, 2021). To meet the allowable stress (yield strength) in construction, it is customary to increase the construction modulus value by adding a thick insert plate or longitudinal carling [2].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Local Stress of Car Deck Ro-Ro 5000 GT

Alamsyah

Falevi

et al. 2021

EPI-IJE

A deck construction must be strong enough that it will not suffer structural damage if it works under a given load. In this case the strain stress becomes very important from the strength of the deck, as for one that affects the strength of the deck construction, one of which is the stiffener distance. This study aims to analyze the maximum strain stress on the deck of the Ferry Ro - ro. The method used is Finite Element Method (FEM) by varying the stiffener distance in the deck construction. The research results obtained, namely the variation of the stiffener distance of 600 mm. 285.5 N/mm2 and the maximum strain released is 1.76 x 10-3 mm, at a variation of 700 mm stiffener distance the maximum stress released is 378,075 N/mm2 and the maximum strain released is 1.77 x 10-3 mm, at a stiffener distance variation 800 mm the maximum stress released is 383,737 N/mm2 and the maximum strain released is 1.78 x -3 mm, at 900 mm stiffener distance variations the maximum stress is 389,188 N/mm2 and the maximum strain released is 1.79 x 10-3 mm, at variations in distance stiffener 1000 mm the maximum stress released is 425,388 N/mm2 and the maximum strain released is 1.8 x 10 -3 mm, The value of strain increasingly increases followed by the farther distance of the stiffener equal 0.6%, and the stress value is at a variation increasingly increases followed by the farther distance of the stiffener equal 12.24%.