Preliminary Study on the Behavior of the SFT Qiandao Prototype Against Explosions and Impacts

Faggiano, Beatrice; Iovane, Giacomo; Toscano, Ivano M.; Mazzolani, Federico M.; Landolfo, Raffaele

doi:10.1007/978-981-15-8049-9_50

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…Although in the past decade, scholars or engineers from the world have done a lot of researches and exploration, which includes the preliminary design of engineering structures, the combination of SFT load and limit state design method, mechanical analysis and dynamic response behavior of SFTs and components , fluid-structure coupling mechanism [17,19,[35][36][37], the experimental test and study [35,[38][39][40][41][42][43][44][45][46], the behavior of SFTs under action of accidental load, such as, preliminary studies on vibration response mechanism and prevention measures under general impact load, seismic excitation, explosion and blast impacts and partial failure of anchor cables [4,[19][20][47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62], and corresponding construction simulation [63], construction technologies and equipment, durability analysis, smart monitoring and early warning system of anchor cables, SFT and environment [64][65][66]. But the working behavior and mechanism of the SFT under complex sea waters is not very clear, there is a certain distance from making the specification of design and construction methods or guide for SFT etc.…”

Section: Characteristics and Research Status Of Sftmentioning

confidence: 99%

Solution to the traffic problems of long and deep water straits–smart submerged floating tunnel and its research

Xiang

Chen

Shen

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Submerged floating tunnel (SFT) is a new type of structure across long and deep water straits and waterways with good application prospects. The structure is different from the traditional large-span bridges and immersed tunnels, which can effectively avoid difficulty under the construction of bridges foundation in deep water straits and channel, the high cost of large span bridge, influence of typhoons and heavy fog et al. severe weather on the vehicle driving on the bridges, a series of technical problems confronted under the construction of immersed tunnel or tunnel excavation in complex marine geology and the deep sea and risk control and so on. This paper, in the light of the characteristics of submerged floating tunnels and the requirements of marine deep water environment, discusses some of technical challenges faced in the designing and building the SFT, points out that it is necessary to systematically study the design and load condition, the smart composite material and shape optimization, the calculation theory and method for analyzing the structural behavior, the structure safety evaluation, construction methods and key technology, and engineering risk analysis, smart monitoring, evaluation and control, code or guide for design and construction of SFT. It lays foundation for design, construction and engineering risk analysis, etc. of submerged floating tunnel across the long and deep waterways in the future.

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Section: Characteristics and Research Status Of Sftmentioning

confidence: 99%

Solution to the traffic problems of long and deep water straits–smart submerged floating tunnel and its research

Xiang

Chen

Shen

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…The structure is held in position through different types of anchor systems, like for example cables, pontoons, piers, to be selected essentially depending on the width of the crossing and the water depth [2]. The anchoring system also provides the necessary stiffness against wave, current and seismic actions [5,6].…”

Section: Introductionmentioning

confidence: 99%

Cementitious materials with biological additive for enhanced durability in marine environment

Iovane,

Kim,

Tizzano

et al. 2023

ce papers

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Concrete structures suffer from cracking that leads to deterioration and shortening of service life. This is very critical for underwater structures, i.e., immersed bridge piles, immersed tunnel or submerged floating tunnels, which are consistently susceptible to ingress of harmful ions (chloride, sulphate and carbonate ions). Autonomous healing of concrete cracks can be beneficial to assure durability performance during the service life. In this context the paper presents a preliminary experimental activity carried out to study the self‐healing capacity of cementitious composites in marine environment. Four series of paste samples are prepared to evaluate the autonomous healing capabilities, achieved through biotic and abiotic additions. The experimental campaign is articulated in four phases, such as: specimen preparation; tests in compression; immersion in water; crack healing evaluation. The specimen performances are examined and compared in terms of mechanical strength and crack width healing over time. Results highlight the efficiency of the technology for crack healing.

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Innovative Technologies for Structural Health Monitoring of SFTs: Combination of InfraRed Thermography with Mixed Reality

Palma¹,

Iovane²,

Hwang³

et al. 2021

Lecture Notes in Civil Engineering

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Preliminary Study on the Behavior of the SFT Qiandao Prototype Against Explosions and Impacts

Cited by 4 publications

References 11 publications

Solution to the traffic problems of long and deep water straits–smart submerged floating tunnel and its research

Solution to the traffic problems of long and deep water straits–smart submerged floating tunnel and its research

Cementitious materials with biological additive for enhanced durability in marine environment

Innovative Technologies for Structural Health Monitoring of SFTs: Combination of InfraRed Thermography with Mixed Reality

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