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Buildings
Special Issues
Structural Performance in Blast Load Scenarios
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Structural Performance in Blast Load Scenarios

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Structures".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 2609

Special Issue Editors

Dr. Hrvoje Draganić

E-Mail Website
Guest Editor
Faculty of Civil Engineering and Architecture Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Interests: reinforce concrete structures; bridges; blast load; numerical modeling; experimental testing; optical measurements; digital image correlation; seismic load
Dr. Mario Jeleč

E-Mail Website
Guest Editor
Faculty of Civil Engineering and Architecture Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Interests: reinforce concrete structures; timber structures; composite structures; static analysis; blast load; numerical modeling; experimental testing
Dr. Goran Gazić

E-Mail Website
Guest Editor
Faculty of Civil Engineering and Architecture Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia
Interests: structural modeling and analysis; data-driven modeling; experimental analysis; earthquake engineering; blast engineering; masonry structures; reinforced concrete structures

Special Issue Information

Dear Colleagues,

There is an ever-present need for reliable and pragmatic engineering tools for blast-load assessments and the mitigation design of military and civilian structures. This need dictates the knowledge of primary blast load parameters and their influence on structural components. Initial design efforts had to rely on trial-and-error techniques to determine the best design for particular blast scenarios, which was, in the majority of cases, expensive in terms of time, money, and human lives. Technological advancements enabled us to overcome these issues with the development of high-performance computing that made it possible to perform virtual blast load simulations on numerous versions of blast scenarios. Engineers can experimentally test structural components based on simulation results with reduced danger to their safety and, ultimately, the safety of end users.

This Special Issue is being organized to share the advanced knowledge, technologies, and methods for blast-resistant structures and design based on advanced tools, where authors are encouraged to submit papers addressing topics including but not limited to the following:

(1) Blast loading on structures and structural elements;

(2) Experimental methods for blast load parameter measurements;

(3) Experimental investigation on the blast load influence on structures and structural elements;

(4) Numerical investigation of blast load parameters and influences on structures and structural elements;

(5) Blast load-induced ground vibrations and their influence on structures;

(6) Seismic performance of structures as a potential blast load mitigation design;

(7) Innovative materials and design procedures for blast load mitigation;

(8) Structural strengthening for blast load mitigation.

Dr. Hrvoje Draganić
Dr. Mario Jeleč
Dr. Goran Gazić
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • blast loading
  • blast wave parameters
  • blast pressure measurements
  • blast-induced vibrations
  • blast-induced ground vibrations
  • blast-induced damage
  • experimental testing
  • numerical modeling
  • assessment techniques
  • RC structures
  • masonry structures
  • composite structures
  • blast mitigation
  • structural strengthening
  • innovative blast load mitigation systems and materials

Published Papers (3 papers)

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Research

27 pages, 10892 KiB  
Article
Experimental Investigation of the Explosion Effects on Reinforced Concrete Slabs with Fibers
by Marija Kušter Marić, Anđela Ivanović, Mladen Fusić, Mladen Srbić and Anđelko Vlašić
Buildings 2024, 14(4), 1080; https://doi.org/10.3390/buildings14041080 - 12 Apr 2024
Viewed by 330
Abstract
In today’s world, concrete structures are exposed to various influences, including explosive actions. With the increasing use of fiber-reinforced concrete (FRC), it is essential to investigate its response to blast effects. As there are few studies on this topic worldwide, this research is [...] Read more.
In today’s world, concrete structures are exposed to various influences, including explosive actions. With the increasing use of fiber-reinforced concrete (FRC), it is essential to investigate its response to blast effects. As there are few studies on this topic worldwide, this research is dedicated to the question of how blast effects affect the damage and properties of six different types of reinforced concrete (RC) slabs. These samples differ in concrete classes (C30/37 and C50/60) and in the type of fibers added (steel and polypropylene). Visual inspections and non-destructive measurements are carried out before and after blasting. The damaged area of the concrete surface is determined by visual inspection, while non-destructive measurements evaluate parameters such as the rebound value of the Schmidt hammer, the electrical resistivity of the concrete, the velocity of the ultrasonic wave, and the dynamic modulus of elasticity. Equal amounts of explosives are applied to five of the RC slabs to enable a comparative analysis of the resulting damage. Based on the comparison of the measured data from these five RC slabs, conclusions are drawn regarding the effects of the explosive impacts on conventionally reinforced concrete slabs compared to those with added fibers. In addition, one of the RC slabs with steel fibers is exposed to approximately three times the amount of explosives to assess the extent of increased damage and to evaluate the suitability of military standards in the calculation of explosive charges for blasting RC elements with fibers. Full article
(This article belongs to the Special Issue Structural Performance in Blast Load Scenarios)
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26 pages, 9666 KiB  
Article
Blast Resistance in Sandwich Structures Based on TPMS
by Li He, Tengfei Li, Dongwang Zhong, Haohao Tao, Yuesen Peng and Shasha Chen
Buildings 2023, 13(11), 2835; https://doi.org/10.3390/buildings13112835 - 12 Nov 2023
Viewed by 997
Abstract
This study analyzes the blast resistance in triple-period minimal surface (TPMS) sandwich panel structures with a cellular structure. The explosion test of the TPMS sandwich panel was carried out, and experimental data verified the effectiveness of the finite element model. Four TPMS configurations, [...] Read more.
This study analyzes the blast resistance in triple-period minimal surface (TPMS) sandwich panel structures with a cellular structure. The explosion test of the TPMS sandwich panel was carried out, and experimental data verified the effectiveness of the finite element model. Four TPMS configurations, Diamond, Gyroid, IWP, and Primitive, were selected as the core of the sandwich panel to determine the dynamic response process of the TPMS sandwich panel under the action of a blast load. The effects of the thickness of the core material and the explosive charge on the blast resistance in the TPMS sandwich panel were investigated. The results show that the increase in core thickness reduces the blast energy absorption efficiency of the sandwich panel, and the energy resistance in the Diamond configuration sandwich panel is stronger than the other three configurations under the same blast load; the increase in explosive charge significantly increases the displacement of the sandwich panel, and the Gyroid configuration shows better energy absorption effect; different TPMS configurations and panel thickness have a significant effect on the deformation and energy absorption of the sandwich panel under the blast load. The results of this study can promote the application of TPMS sandwich structures in blast-resistant structures. Full article
(This article belongs to the Special Issue Structural Performance in Blast Load Scenarios)
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25 pages, 10848 KiB  
Article
Numerical Simulation of Pressure Wave Propagation and Its Effect on Damage to the Reactor Cavity under TNT Detonation for Steam Explosion
by Seong-Kug Ha and Yeo-Hoon Yoon
Buildings 2023, 13(9), 2152; https://doi.org/10.3390/buildings13092152 - 24 Aug 2023
Viewed by 629
Abstract
In a severe accident, molten corium may penetrate the reactor pressure vessel and enter the cooling water in the reactor cavity, and then a steam explosion may occur. Steam explosions can initiate pressure waves and threaten the structural integrity of the reactor cavity. [...] Read more.
In a severe accident, molten corium may penetrate the reactor pressure vessel and enter the cooling water in the reactor cavity, and then a steam explosion may occur. Steam explosions can initiate pressure waves and threaten the structural integrity of the reactor cavity. To investigate the propagation characteristics of the pressure waves, including the propagation pattern, attenuation, and amplification under TNT detonation, a coupled numerical approach combined with arbitrary Lagrangian–Eulerian and fluid–structure interaction methods are utilized. The peak pressures of the incident and reflected shock waves decrease rapidly with increasing distance from the charge center, whereas the reflected pressure in the reactor cavity can be between 1.30 and 1.67 times the incident pressure. Then, structural analysis is performed to evaluate the damages to the concrete, liner plate, and reinforcements. From the numerical results, localized and superficial concrete damages are observed in the reactor cavity and the basemat; however, the risk of damage to the concrete, resulting in the collapse of these components is very low. The risk of damage to the liner plate and reinforcements is also very low since the maximum strain values are much lower than the failure criteria. Finally, the structural integrity of the reactor cavity will be maintained during the TNT detonation for the steam explosion. Full article
(This article belongs to the Special Issue Structural Performance in Blast Load Scenarios)
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