Results 101 to 110 of about 1,833 (248)

Punching shear of RC slabs exposed to fire: assessment of load-bearing capacity based on European and American provisions. Part 1 – General code requirements [PDF]

Archives of Civil Engineering
Slab-column connection is one of the most critical points in reinforced concrete structures. Punching shear capacity of this connection must be properly determined in both the persistent design situation and the accidental design situation of fire ...
Robert Kowalski, Paweł Chudzik, Jacek Hulimka, Wit Derkowski   +3 more
doaj   +1 more source

Assessment of shear reinforcement enhancement on the punching shear capacity of flat concrete slabs with openings

Structural Concrete
Abstract Reinforced concrete flat slabs are widely employed in contemporary architecture due to their structural efficiency and construction simplicity; however, their susceptibility to punching shear failure remains a critical design concern, particularly at slab–column connections where concentrated loads occur. This brittle failure
Jeovan Pereira das Virgens, Ricardo de Paula Randi, Marília Gonçalves Marques, Elyson Andrew Pozo Liberati, Leandro Mouta Trautwein   +4 more
openaire   +1 more source

Toward the Application of Multiaxial Failure Criteria: Mean Stress Sensitivity of Carbide‐Rich, High‐Alloy PM‐HIP Tool Steels Under Axial and Torsional Cyclic Loading

steel research international, EarlyView.
This study quantifies axial and torsional long‐life fatigue (LLF) behavior of three carbide‐rich PM‐HIP tool steels, correlating LLF strength with intrinsic defect size and cleanliness, thereby extracting material‐specific mean stress sensitivities and Haigh diagrams.
Lennart Mirko Scholl, Frederik Tegeder, Tobias Hajeck, Alexander Bezold, Christoph Broeckmann   +4 more
wiley   +1 more source

Effect of reinforcement corrosion on punching shear of RC flat slabs incorporating steel and synthetic fibers

Case Studies in Construction Materials
Reinforcement corrosion weakens the punching shear capacity of RC flat slabs. This study tested twelve large-scale slabs (1500 × 1500 × 100 mm) with hooked-end steel or macro-synthetic fibers (0.5–1.0 % by volume) and control samples.
Mohamad Alhalabi, Salah Altoubat, Mohamed Maalej, Ibrahim Haj Fattouh   +3 more
doaj   +1 more source

Usage of prestressed vertical bolts for retrofitting flat slabs damaged due to punching shear

Alexandria Engineering Journal, 2015
Sometimes, due to design mistakes or a change in the construction function results in heavier or additional loads, a flat slab may be failed by punching shear which is considered as a brittle failure.
Hamed S. Askar
doaj   +1 more source

Experimental investigation of reinforced concrete members subjected to reversed cyclic axial loading

Structural Concrete, EarlyView.
Abstract This paper presents an experimental campaign of five reinforced concrete members subjected to cyclic axial loading alternating between tension and compression. Fiber optical sensors and digital image correlation, in combination with automated crack detection and measurement, were used to investigate, among other aspects, the development of ...
Simon Karrer, Karel Thoma, Walter Kaufmann   +2 more
wiley   +1 more source

Nonlinear analysis of flat post‐tensioned concrete slab–edge column connections

Structural Concrete, EarlyView.
Abstract This study presents nonlinear finite element analyses to investigate the punching shear behavior of unbonded post‐tensioned concrete flat slabs at slab‐edge column connections. A parametric analysis was conducted to evaluate the influence of four critical parameters on the punching shear resistance: the distribution of prestressing tendons ...
Igor Gonçalves, Ricardo Randi, Orlando M. Almeida, Elyson A. P. Liberati, Leandro M. Trautwein   +4 more
wiley   +1 more source

Characterization of Punching Shear Capacity of Thin Uhpc Plates

, 2004
UHPC (ultra-high performance concrete) is a relatively new type of concrete that exhibits mechanical properties that are far superior to those of conventional concrete and in some cases rival those of steel.
Harris, Devin K.
core  

Experimental and design‐oriented research on fiber reinforced concrete segmental tunnel linings: A systematic review

Structural Concrete, EarlyView.
Abstract The use of fiber reinforced concrete (FRC) in precast tunnel segments is among the most established and representative applications of this material. Over the past two decades, numerous tunnel linings were constructed with partial or total substitution of conventional steel reinforcement by fibers, this yielding to quantifiable benefits in ...
Vladimir Rusanov, Stanislav Aidarov, Pablo Pujadas, Tai Ikumi, Albert de la Fuente   +4 more
wiley   +1 more source

Optimal structural design method for reinforced concrete column in buildings with high floor heights using a genetic algorithm

Structural Concrete, EarlyView.
Abstract Globally, there is a growing trend toward taller, larger, and more structurally diverse buildings that require expansive interior spaces. Rapid technological advancements have surged the demand for data centers, while the expansion of e‐commerce has increased logistics volumes, driving the need for large‐scale warehouses.
Han Yong Lee, Byeung‐Kuy Jung, Byung Kwan Oh   +2 more
wiley   +1 more source