Journal ArticleDOI
Impact Response of Reinforced Concrete Beam and Its Analytical Evaluation
Reads0
Chats0
TLDR
In this paper, the authors examined the impact responses of reinforced concrete (RC) beams through an experimental study and presented an analytical model developed to predict the maximum midspan deflection and maximum impact load.Abstract:
This paper examines the impact responses of reinforced concrete (RC) beams through an experimental study and presents an analytical model developed to predict the maximum midspan deflection and maximum impact load, which aids as an important performance index to evaluate the damage levels of RC beams when subjected to impact loadings. The experimental study involves a drop hammer impact test and investigates the influence of drop height and the effect of the amount of longitudinal steel reinforcement contributes to the response of RC beams. The RC beam specimens used in the experiment comprised of under-reinforced sections provided with sufficient amount of transverse reinforcements to allow for an overall flexural failure. The experimental impact responses of the RC beams were simulated with two-degree-of-freedom mass-spring-damper system model, in which the loading rate effects were duly considered. The analytical results are in good agreement with the experimental results for the RC beams that exhibited overall flexural failure.read more
Citations
More filters
Journal ArticleDOI
Nonlinear dynamic behavior of simply-supported RC beams subjected to combined impact-blast loading
TL;DR: In this article, the effects of the middle-rate impact loading stresses on the blast responses of simply-supported reinforced concrete (RC) beams are studied by considering different combined loading scenarios varied by the sequence of applying loads and the time lag between the initiations of these loads.
Journal ArticleDOI
Response of ultra-high-performance fiber-reinforced concrete beams with continuous steel reinforcement subjected to low-velocity impact loading
TL;DR: In this article, the effect of reinforcement ratio on the flexural behavior of ultra-high-performance fiber-reinforced concrete (UHPFRC) beams under impact loading was investigated.
Journal ArticleDOI
Dynamic responses and failure modes of bridge columns under vehicle collision
Tin V. Do,Thong M. Pham,Hong Hao +2 more
TL;DR: In this paper, the authors used a numerical model verified against some experimental testing data to investigate the dynamic responses and failure modes of reinforced concrete bridge columns under vehicle collision and showed that the peak impact force from the collision is governed by the vehicle engine and the vehicle velocity while the impulse of the impact force is influenced by the initial momentum of the total mass.
Journal ArticleDOI
Impact Behavior of FRP-Strengthened RC Beams without Stirrups
Thong M. Pham,Hong Hao +1 more
TL;DR: In this paper, the impact behavior of fiber-reinforced polymer (FRP)-strengthened reinforced concrete (RC) beams and FRP contribution to shear strength were investigated.
Journal ArticleDOI
Review of Concrete Structures Strengthened with FRP Against Impact Loading
Thong M. Pham,Hong Hao +1 more
TL;DR: In this article, the impact resistance of reinforced concrete (RC) beams, RC slabs, RC columns and masonry walls was investigated and the dynamic properties of FRP materials were reviewed.
References
More filters
Book
Theory of elasticity
TL;DR: The theory of the slipline field is used in this article to solve the problem of stable and non-stressed problems in plane strains in a plane-strain scenario.
Journal ArticleDOI
Theory of Elasticity (3rd ed.)
Journal ArticleDOI
Dimensionless formulae for penetration depth of concrete target impacted by a non-deformable projectile
Qingming Li,X W Chen +1 more
TL;DR: Based on the dimensional analysis of concrete penetration by a non-deformable projectile and an analytical penetration model, two dimensionless numbers, i.e., the impact function I and the geometry function of projectile N are defined and used in a dimensionless formula to predict the penetration depth.
Journal ArticleDOI
Impact testing of concrete using a drop-weight impact machine
TL;DR: A detailed description of the instrumented drop-weight impact machine is presented in this article, where the instrumentation, the calibration, the inertial loading correction, and the dynamic analysis of a concrete beam specimen undergoing three-point impact flexural loading are described.
Journal ArticleDOI
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.
Related Papers (5)
Effects of shear mechanisms on impact behavior of reinforced concrete beams
Selcuk Saatci,Frank J. Vecchio +1 more