Journal ArticleDOI
Projectile penetration of reinforced concrete blocks: Test and analysis
I.M. Kamal,E.M. Eltehewy +1 more
TLDR
In this article, the authors present results of an experimental test and numerical investigation of reinforced concrete blocks' penetration resistance against a steel blunt-nose projectile with a diameter of 23mm and a mass of 175g with striking velocity about 980m/s hitting concrete blocks reinforced by different number of layers of woven wire steel mesh (Ferrocement).About:
This article is published in Theoretical and Applied Fracture Mechanics.The article was published on 2012-08-01. It has received 30 citations till now. The article focuses on the topics: Ferrocement & Perforation (oil well).read more
Citations
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Experimental and numerical study of reactive powder concrete reinforced with steel wire mesh against projectile penetration
TL;DR: In this article, the impact resistance of reactive powder concrete (RPC) targets reinforced with 44-layer steel wire meshes is investigated and compared with the previous studies on ultra-high performance based cement composites with additions of fibres and basalt aggregates.
Journal ArticleDOI
Numerical analysis of projectile penetration and perforation of plain and fiber reinforced concrete slabs
Jovanca Smith,Gianluca Cusatis +1 more
TL;DR: In this paper, the Lattice Discrete Particle Model (LDPM) was used to predict the experimental impact response performed by four independent testing laboratories, and for each data set the model parameters were calibrated and validated using a combination of uniaxial compression, triaxial compression and dogbone tests.
Journal ArticleDOI
Improved Element Erosion Function for Concrete-Like Materials with the SPH Method
Jiří Kala,Martin Hušek +1 more
TL;DR: In this article, a simple test from the field of terminal ballistics and the handling of issues arising during its simulation using the numerical techniques of the finite element method is described, where the eroded elements are transformed into smoothed particle hydrodynamics particles, which can then assume the characteristics of the original elements and preserve the matter and energy of the numerical model.
Journal ArticleDOI
Damage assessment and mitigation measures of underwater tunnel subjected to blast loads
TL;DR: In this article, a three-dimensional numerical model of an underwater tunnel based on coupled Lagrange and Euler (CLE) method is developed, and the dynamic response and damage evolution of the tunnel subjected to underwater explosions are investigated.
Journal ArticleDOI
GF/epoxy laminates embedded with wire nets: A way to improve the low-velocity impact resistance and energy absorption ability
TL;DR: In this paper, the impact behavior of glass fabric cloth reinforced epoxy composite panels embedded with wire nets (WN-GF/epoxy) has been investigated, and the perforation threshold velocity of the specimens appears a bi-linear increasing tendency with increase of the embedded wire nets.
References
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Journal ArticleDOI
Local impact effects of hard missiles on concrete targets
TL;DR: In this paper, a collection of empirical formulae to predict the penetration depth, scabbing thickness and perforation thickness is presented in both Imperial and SI units and the current status of various design codes is summarized based on a dimensional analysis, dominant non-dimensional parameters that may influence the local impact effects on concrete targets are obtained and then used to present some of the test data Various nose shape factors are compared and a unique definition of the nose shape factor is suggested Analytical models and numerical simulation methods for penetration are summarized Criticisms are made for the current understanding of
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A review of procedures for the analysis and design of concrete structures to resist missile impact effects
TL;DR: In this paper, the effects of a hard impact on a concrete barrier wall are discussed. But this paper only deals with the effect of "hard" missile impact and does not deal with the impact on "soft" barrier walls.
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Resistance of high-strength concrete to projectile impact
TL;DR: In this article, the authors present the results of an experimental study on the impact resistance of concrete with compressive strength of 45-235 MPa when subjected to impact by a 12.6mm ogive-nosed projectile at velocities ranging from ∼620 to 700 m/s.
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Response of high performance concrete plates to impact of non-deforming projectiles
TL;DR: In this paper, the response of 80×80 cm high performance concrete (HPC) plate specimens to an impact of non-deforming steel projectiles was examined in an experimental study.
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Penetration into semi-infinite reinforced-concrete targets with spherical and ogival nose projectiles
V.K. Luk,Michael J. Forrestal +1 more
TL;DR: In this paper, an engineering model for forces on rigid, spherical and ogival nose projectiles that penetrated semi-infinite, reinforced-concrete targets was developed, and the model predicted depths of penetration that were in reasonable agreement with penetration data.