Introduction to Physical Experiment Building of Kiost in Busan

Oh, Sang-Ho; Lee, Jae-Sung; Lee, Joo-Yeon

doi:10.1007/978-981-15-0291-0_31

Cited by 6 publications

(6 citation statements)

References 6 publications

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“…The experiments were carried out in a wave flume 50 m long, 1.2 m wide, and 1.6 m deep [12,13]. The wave flume is equipped with a piston-type wave maker, which incorporates a function that actively absorbs the reflected waves.…”

Section: Methodsmentioning

confidence: 99%

“…Those data points at each of the three values of h p /h c come from interpolation/extrapolation of all the individual profiles of p C17 /p C14 and p C18 /p C14 , which are already shown in Figure 20. The black solid lines in each panel of Figure 22 denote suggested simplification of the data, the formulations of which are given in Equations ( 11)- (13). It is noteworthy that the simplification of λ W is given as a constant for G c /L•ξ > 0.28 for all the three values of h p /h c .…”

Section: Parameterization Of the Effect Of Shoulder Widthmentioning

confidence: 99%

“…simplification of the data, the formulations of which are given in Equations ( 11)- (13). It is noteworthy that the simplification of is given as a constant for ⁄ • > 0.28 for all the three values of ℎ /ℎ .…”

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confidence: 99%

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Experimental Investigation of Horizontal Wave Pressure on the Caisson Protected by Armor Blocks on the Rubble-Mounted Core

Oh¹,

Lee²

2020

JMSE

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The horizontal wave pressure on the front wall of the caisson protected by armor blocks on the rubble-mounted core is investigated by carrying out physical experiments. There have been few previous studies regarding this type of structure, and the characteristics of horizontal wave pressure on the structure are still unclear. Considering this, a series of experiments were performed by changing the configuration of the coverage rate in front of the caisson and the shoulder width of the armor blocks. For each of the different configurations of the model setup, wave pressure on the caisson was measured under 20 regular waves of different wave periods and heights. By analyzing the obtained experimental data, it was possible to quantify the effects of the coverage rate and the shoulder width on the wave pressure. The wave pressure tended to increase up to maximally 1.5 to 2 times at the exposed part of the caisson if it was incompletely protected. In addition, the wave pressure at the top part of the caisson was substantially reduced with the increase of the shoulder width of the armor layer. Based on these results, adjustment factors for evaluating such effects have been suggested, which can be applicable for the practical design of the caisson covered with armor blocks on the rubble-mounted core.

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Section: Methodsmentioning

confidence: 99%

Section: Parameterization Of the Effect Of Shoulder Widthmentioning

confidence: 99%

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Experimental Investigation of Horizontal Wave Pressure on the Caisson Protected by Armor Blocks on the Rubble-Mounted Core

Oh¹,

Lee²

2020

JMSE

Self Cite

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“…The experiment was conducted in a wave flume located at the Korea Institute of Ocean Science and Technology (KIOST) in Busan, Republic of Korea. The dimensions of the wave flume are 50 m in length, 1.2 m in width, and 1.6 m in depth [12]. The wave flume is equipped with a piston-type wave maker developed by VTI (Vazquezy Torres Ingenieria, Spain) Corporation.…”

Section: Methodsmentioning

confidence: 99%

A Hydraulic Experimental Study of a Movable Barrier on a Revetment to Block Wave Overtopping

et al. 2019

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This paper presents a design for a movable barrier on the revetment of the Haeundae Marine City in Busan, the Korea. This movable barrier was developed to use as a tourist deck in a normal state and to block wave overtopping in an abnormal state. To carry out the physical experiment in a wave flume, the model structure was reduced to a scale of 1/36 compared to the field structure. The discharge of the wave overtopping, the uplift pressure acting on the under surface of a non-standing barrier, and the wave pressure acting in front of a standing barrier were measured to analyze the hydraulic characteristics of the movable barrier. The results show that the impulsive pressure acts on the movable barrier, although the overtopping discharge is less than the allowable limit. When designing a movable barrier at a full scale, engineers should consider the impulsive pressure to secure the barrier’s stability on the target site.

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“…The regular wave tests were conducted in a 2D wave channel with 50 m length, 1.2 m width, and 1.6 m height, at KIOST in Busan, Republic of Korea, as shown in Figure 1. The wave channel depth varies as the bottom slope ranges from 10 to 20 m on the left side but is constant at 1.25 m when the slope ranges from 20 to 50 m [21]. A piston-type wavemaker (Vazquez y Torres Ingenieria SL, Leganés, Spain) is installed at the left side of the wave channel [22].…”

Section: Wave Channelmentioning

confidence: 99%

Evaluation of the Hydraulic Performance of a Rear-Parapet Vertical Breakwater under Regular Waves through Hydraulic Experiments

Lee

Park

2020

Water

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Climate change has resulted in increased intensity and frequency of typhoons and storm surges. Accordingly, attention has been paid to securing the breakwater’s stability to protect the safety of the port. Herein, hydraulic model experiments were conducted to evaluate the hydraulic performance of a vertical breakwater having a rear parapet. For comparison, cases in which the parapet was placed on the seaside, the harborside, and at the center of the breakwater were considered. Regular waves were used for convenient performance analysis. Five wave gauges and nine pressure transducers were installed to secure physical data for hydraulic performance evaluation. Results showed that a rear parapet can reduce the maximum wave force acting on the breakwater. Even though impulsive pressure was generated, it did not affect the stability of the breakwater owing to the phase difference between the maximum wave pressures acting on the caisson and parapet. By decreasing the maximum wave force, the required self-weight that satisfies the safety factor of 1.2 was reduced by up to 82.7%; the maximum bearing pressure was reduced by up to 47.6% compared with that of the parapet located on the seaside. Thus, the rear parapet was found to be more suitable for actual applications.

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Introduction to Physical Experiment Building of Kiost in Busan

Cited by 6 publications

References 6 publications

Experimental Investigation of Horizontal Wave Pressure on the Caisson Protected by Armor Blocks on the Rubble-Mounted Core

Experimental Investigation of Horizontal Wave Pressure on the Caisson Protected by Armor Blocks on the Rubble-Mounted Core

A Hydraulic Experimental Study of a Movable Barrier on a Revetment to Block Wave Overtopping

Evaluation of the Hydraulic Performance of a Rear-Parapet Vertical Breakwater under Regular Waves through Hydraulic Experiments

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