Results 61 to 70 of about 2,673 (218)

Kinematics‐based model for shear capacity assessment of unreinforced interior beam–column joints

Structural Concrete, EarlyView.
Abstract This study presents a kinematics‐based model for assessing the shear strength of reinforced concrete interior beam–column joints without transverse reinforcement. The proposed framework is built on first principles—kinematics, equilibrium, and constitutive relations—and explicitly models discrete cracks by introducing kinematic parameters such
Daniele Arcuri, Lorenza Petrini, Boyan I. Mihaylov   +2 more
wiley   +1 more source

The program "ST method" for determining the Strut-and-Tie models of RC plane members [PDF]

, 2016
U radu je predstavljen prijedlog za određivanje Strut-and-Tie modela armiranobetonskih ravninskih nosača primjenom diskretne topološke optimizacije koja podrazumijeva rešetkasti sustav za proračun stanja naprezanje-deformacija nosača. Strut-and-Tie model
Rašeta, Andrija, Anka Starčev-Ćurčin, Starčev-Ćurčin, Anka, Andrija Rašeta, Zoran Brujić, Brujić, Zoran   +5 more
core   +1 more source

Behavior predictions of deep beams with short straight bar anchorages using strut-and-tie models and nonlinear analysis

Revista IBRACON de Estruturas e Materiais
This paper investigates the laboratory test results of 12 deep beams available in the literature, where the longitudinal reinforcement was anchored into the support using short straight bar anchorages.
R. A. SOUZA, S. BREÑA
doaj   +1 more source

Behavior of self-compact reinforced concrete deep beams with small shear span to depth ratio

MATEC Web of Conferences, 2018
This research is devoted to investigate the experimental and theoretical behavior of deep beams under monotonic two points loading. An experimental program examining six RC deep beams is carried out.
Hassan Hassan, Medhlom Mu’taz, Hatem Mohammed   +2 more
doaj   +1 more source

Generation of Strut-and-Tie Models and Stress Fields for Structural Concrete [PDF]

Structures Congress 2019, 2019
Strut-and-tie models are principally the discretized stress fields, which simplify the dimensioning and detailing of reinforced concrete members. The computational generation of stress fields currently relies on finite element analysis or optimization methods.
Mozaffari, Salma; id_orcid0000-0002-5364-3849, Akbarzadeh, Masoud, Vogel, Thomas   +2 more
openaire   +2 more sources

The challenges of GFRP RC beam design for limit states

Structural Concrete, EarlyView.
Abstract Glass fiber reinforced polymer (GFRP) bars are used ever more frequently in concrete construction due to their non‐corrosive and anti‐magnetic properties. Their research over the past decades focused on fundamental questions, such as the design aspects of beams under flexural loads.
Szabolcs Szinvai, Tamás Kovács
wiley   +1 more source

Optimized Design of Anchor Plates for 2200 MPa-Class Prestressing Anchorage Zones

Buildings
The strength of prestressed steel strands has developed towards high strength, increasing from 1860 MPa to over 2200 MPa. The stress in the prestressed anchorage zone is more concentrated and complex, and the anchor plates for dispersed loads need to be ...
Xin Lu, Wanxu Zhu
doaj   +1 more source

Experimental and analytical investigations on the effect of steel fibers on the crack behavior and strength of dapped‐end connections

Structural Concrete, EarlyView.
Abstract Reinforced concrete (RC) dapped‐end connections feature a sharp re‐entrant corner subjected to high stress concentrations, leading to wide cracks under service loads and potential durability issues such as reinforcement corrosion. Effective crack control is therefore essential in the design of new dapped‐end connections. Steel fiber reinforced
Karin Yu, Sameera Hippola, Jaime Mata‐Falcón, Boyan Mihaylov   +3 more
wiley   +1 more source

7th International Conference on Civil and Structural Engineering: Optimization and Control in Civil and Structural Engineering

, 1999
The strut-and-tie modeling is a simple, unified, rational and safe approach for the design of structural concrete members. Conventional methods are not efficient in finding optimal strut-and-tie models in concrete members with complex geometry and ...
Steven, G. P., Liang, Q. Q., Xie, Y. M.
core   +1 more source

Three‐parameter kinematic theory for shear assessment of reinforced concrete short columns

Structural Concrete, EarlyView.
Abstract This work presents a rational kinematics‐based model for assessing the shear capacity of rectangular reinforced concrete short columns. Due to their high stiffness and brittleness, short columns are particularly vulnerable to seismic forces, often exhibiting critical failures.
Daniele Arcuri, Lorenza Petrini, Boyan I. Mihaylov   +2 more
wiley   +1 more source