کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
778362 1464085 2014 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A note on the deep penetration of projectiles into concrete
ترجمه فارسی عنوان
یادداشتی در مورد نفوذ عمیق پرتابه به بتن
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
چکیده انگلیسی


• A simple equation is presented for the deep penetration of projectiles into concrete.
• The effects of various parameters on the depth of penetration are considered.
• The present equation has a wider range of applicability.
• The mean penetration resistance of concrete with fc′=75–150MPa is almost the same.

A simple equation is presented herein to predict the deep penetration of concrete targets struck normally by projectiles within a unified framework. The effects of various parameters such as nose shape, impact velocity and unconfined compressive strength are considered in the formulation by the mean resistive pressure which consists of two parts, namely, cohesive static resistive pressure due to the elastic–plastic deformations and the dynamic resistive pressure arising from velocity effects. It is demonstrated that the present equation is in good agreement with available experimental data for the penetration of concrete targets. It is also demonstrated that the mean penetration resistance of concrete materials with unconfined compressive strengths ranging from 75 MPa to 150 MPa is almost the same which may have serious implication for the design of concrete targets against projectile penetration.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Impact Engineering - Volume 66, April 2014, Pages 1–4
نویسندگان
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