Results 51 to 60 of about 3,003,698 (214)

The Effective Width in Composite Steel Concrete Beams at Ultimate Loads

open access: yesJournal of Engineering, 2023
A composite section is made up of a concrete slab attached to a steel beam by means of shear connectors. Under positive and negative bending moment, part of the slab will act as a flange of the beam, resisting the longitudinal compression or tension ...
Mohannad Husain Mohsen   +1 more
doaj   +1 more source

Bond Stress-Slip Prediction under Pullout and Dowel Action in Reinforced Concrete Joints [PDF]

open access: yesACI Structural Journal, 2014
When analyzing reinforced concrete (RC) framed structures under monotonic loading—for example, progressive collapse and pushover analysis—besides flexural deformation, the so-called “fixed end” rotations induced by longitudinal bar slips at the beamcolumn ends connected to the joints can be significant and may result in additional vertical deformations
Long, Xu, Tan, Kang Hai, Lee, Chi King
openaire   +2 more sources

Influence of shear reinforcement detailing on the shear capacity of reinforced concrete beams

open access: yesStructural Concrete, EarlyView.
Abstract Alternative shear reinforcement layouts that do not fully enclose the longitudinal tensile reinforcement can significantly improve the constructability of reinforced concrete (RC) members. However, their influence on shear transfer mechanisms is not yet fully understood. To address this gap, an experimental program comprising 10 shear tests on
Franz Untermarzoner   +5 more
wiley   +1 more source

Shear capacity of reinforced concrete one‐way slabs with intermediate support and distributed loading

open access: yesStructural Concrete, EarlyView.
Abstract Experimental campaigns on reinforced concrete members, being the basis for database evaluations used for validation of many shear design approaches, mostly include simply supported single‐span beams with concentrated loads. Other support and loading conditions representative for actual slab systems are highly underrepresented.
Annkathrin Sinning   +3 more
wiley   +1 more source

Rehabilitation of orthotropic steel deck bridges using a modified Ortho-composite deck system

open access: yesResults in Engineering
Orthotropic Steel Deck (OSD) systems have been widely utilized in bridge construction globally, owing to their numerous advantages, notably their high load-bearing capacity and relatively low dead weight.
Mozhdeh Shirinzadeh
doaj   +1 more source

The shear strength of concrete beams hybrid-reinforced with GFRP bars and steel bars in main reinforcement without shear reinforcement

open access: yesCurved and Layered Structures, 2022
The investigation of the structural performance of reinforced concrete members in the construction process has become a critical issue for Hybrid GFRP bars with steel bars.
Shoeib Ata El-kareim   +3 more
doaj   +1 more source

Contribution of dowel action to interfacial shear transfer in flat joints with unbonded posttensioned bars for precast segmental bridges

open access: yesStructural Concrete, EarlyView.
Abstract Dry joints are widely used in precast segmental bridge construction because they simplify assembly and accelerate erection. Incorporating fasteners crossing flat dry joints represents an innovative configuration for this type of connection.
Rogelio Franco Segarra   +3 more
wiley   +1 more source

BIOMECHANICAL STUDY OF SINGLE ROOTED TEETH RESTORED WITH DOWEL CORS

open access: yesУкраїнський стоматологічний альманах, 2018
The purpose of the biomechanical study was a comparative analysis of the stress-strain state of the dowel core, dentin of the tooth root, periodontal and bone tissues of the alveolus in the restoration of the first premolars using dowel core, made of ...
M. M. Klepach   +4 more
doaj  

Disturbance legacies in arid environments shape recovery of former agricultural land

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction Increasingly, arid agricultural land is being permanently taken out of irrigated production due to more frequent drought, higher temperatures, and the overconsumption of groundwater, with important ramifications for ecological recovery.
Laurel M. Brigham   +5 more
wiley   +1 more source

Experimental investigation of dowel action

open access: yes, 2020
LAUREA MAGISTRALEThe dowel provided by steel rebars in reinforced concrete has been a research topic since the early 1940’s when its use started to spread for pavement slabs and airport runway construction.
ANANDRAJ, NITUSHA
core  

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