Projectile Penetration Depth Into Wood-Based Frames of Unclassified Buildings

Barone, Elīna; Gaujēna, Baiba; Videmanis, Janis

doi:10.17654/2229451122002

Cited by 3 publications

(4 citation statements)

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“…𝜃the angle at which the projectile meets the obstacle. [17] However, this formula does not count the various materials and air gaps between the same boards, as well as the Poncelet model [1].…”

Section: Methodsmentioning

confidence: 99%

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Ordinary gypsum plasterboard and Knauf Torro gypsum plasterboard bullet-proofing

Barone

Vetra²,

Gaujena³

et al. 2023

J. Phys.: Conf. Ser.

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Bullet-proof walls are recently attractive also outside of specialized areas with the most threat of attack. Nevertheless, an average wall cannot protect us from an intentional or stray bullet. Therefore, five stands were made of gypsum wall panels, ordinary plasterboard, and Knauf bullet-proof plasterboard, fired with two different calibers of weapons. The results were documented through photography. The test results show the ballistic resistance of enhanced materials, not ordinary plasterboard. The obtained results are compared with the technical information. The aim was to test whether plasterboard, the most used material in construction, is comparable to bullet-proof structures. These results will be used to complement the standard LVS 1061 “Gypsum boards and board systems. Design and use rules”, as well as for individual use in protection against external bullet threats or to prevent ricochets.

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Section: Methodsmentioning

confidence: 99%

“…The authors also studied the bullet resistance of wood and woodbased wall panel materials. [1]. Safe bullet-proof walls ensure that the edges of the panel are finished to high quality, as the joints the boards encounter are a weak point.…”

Section: Introductionmentioning

confidence: 99%

Ordinary gypsum plasterboard and Knauf Torro gypsum plasterboard bullet-proofing

Barone

Vetra²,

Gaujena³

et al. 2023

J. Phys.: Conf. Ser.

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show abstract

“…Currently, wood is not assessed for designing a protective system beyond use as a pre-detonation screen because of its low strength compared to steel and concrete [19]. The authors have tested plywood for ballistic resistance [33]. Both theoretical and experimental results showed that 3×28 mm plywood retained the bullet to a penetration depth of 64 mm and was the only bulletproof material compared to building materials such as spruce CLT or pine logs.…”

Section: Bulletproof Materialsmentioning

confidence: 99%

Literature Review of Applicable Ballistic Materials for Temporary Wooden Building Envelopes

Barone,

Gaujena,

Vilnitis

2023

Advances in Science and Technology

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Human security remains a topical issue, especially on the country borders where temporary houses are often used. Optimally, people should be provided with ordinary, habitable, easy-to-build, possibly portable buildings and ballistically protected. However, there is a lack of studies addressing ballistic building materials for the walls. In the scope of this study, ten ballistic materials: sand walls, concrete, steel plates, ceramic, glass fibreboards, wood (plywood, cross-laminated timber), ultra-high molecular weight polyethylene (UHMWPE) boards, aramid boards, carbon fibre boards, and gypsum plasterboard are reviewed, and their wall constructions are compared. This paper aimed to analyse bulletproof materials and to nominate the best bulletproof walls according to three required aspects - price, thermal transmittance, and weight. This is a review article that could help stakeholders to choose the appropriate ballistic material for high-risk applications.

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“…(Borodinecs et al, 2017(Borodinecs et al, , 2019(Borodinecs et al, , 2020(Borodinecs et al, , 2022 The performance of UHMWPE in combination with plywood has not been investigated so far. The authors tested plywood for ballistic resistance (Barone et al, 2022). Both theoretical and experimental results showed that 3x28 mm plywood retained the bullet to a penetration depth of 64 mm and was the only bulletproof material compared to building materials such as spruce CLT or pine logs.…”

mentioning

confidence: 99%

Plywood Panel with UHMW Polyethylene Board Ballistic Resistance

Barone,

Velicko,

Gaujena

et al. 2023

sace

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In this study, bullet-proof building panels are investigated. The aim of this work is to verify whether the polyethylene-plywood panels withstand frontal impact with high-speed projectiles. Ultra-high molecular weight polyethylene (UHMWPE) is a promising ballistic material due to its favorable properties – significant impact toughness and a high strength-to-weight ratio, meantime it is lightweight. By setting different parameters such as laminated plywood width and various UWHMPE facade layers, the protective effect of the panels and their performance characteristics are discussed using a 9 mm caliber handgun Glock 17 Luger bullets. The results show positive results – 3 of 4 combinations resist the bullet. The board with an arrangement of 2x32 cm laminated plywood outside and UHMWPE material inside the room captures 4 bullets; the bullets pass through the plywood layer and stop in the polyethylene. The experiment also tested individual UHMWPE panels at 2 different thicknesses to monitor the damage to the material. The results of this study will be useful in designing ballistic panels for buildings like unclassified buildings (army headquarters, safe rooms) from small arms weapons also for individual use.

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Projectile Penetration Depth Into Wood-Based Frames of Unclassified Buildings

Cited by 3 publications

References 0 publications

Ordinary gypsum plasterboard and Knauf Torro gypsum plasterboard bullet-proofing

Ordinary gypsum plasterboard and Knauf Torro gypsum plasterboard bullet-proofing

Literature Review of Applicable Ballistic Materials for Temporary Wooden Building Envelopes

Plywood Panel with UHMW Polyethylene Board Ballistic Resistance

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