Results 31 to 40 of about 1,541 (256)

Review of the Structural Performance of Beams and Beam–Column Joints with Openings

CivilEng, 2023
The need for openings in RC structures has increased, but their presence significantly affects the performance and strength of the structures. While small openings can be managed with additional reinforcement, dealing with large openings in reinforced or
Narek Galustanian, Alaa El-Sisi, Asmaa Amer, Eman Elshamy, Hilal Hassan   +4 more
doaj   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

FEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell, Thomas Walther, Egbert Hoiczyk   +2 more
wiley   +1 more source

Numerical Study on Shear-Oriented Parameters in RC Beams with Openings Reinforced by Fe-SMA Rebars

Buildings
Reinforced concrete (RC) beams with openings in shear spans exhibited a significantly reduced structural performance due to disruptions in load transfer mechanisms.
Mohamed Elkafrawy, Ahmed Khalil, Rami Hawileh, Mohammad AlHamaydeh   +3 more
doaj   +1 more source

Implementation of Intelligent Prefabricated Construction for Pre-stressed T-Beams on Mountainous Highways [PDF]

预应力技术
Intelligent bridge assembly is currently one of the key directions for bridge development in China. Different structures and schemes are suitable for urban and mountainous construction requirements. Taking the Tongzi to Xinpu Expressway as the background
Guofang Ju
doaj   +1 more source

Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows

Advanced Engineering Materials, EarlyView.
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba, Sang‐Hyeok Lee, Christina Gasper, Martina Freund, Sandra Korte‐Kerzel, Ulrich Kerzel   +5 more
wiley   +1 more source

Enhancing the Shear Capacity of RC Beams with Web Openings in Shear Zones Using Pre-Stressed Fe-SMA Bars: Numerical Study

Buildings, 2023
Openings in the shear span can significantly affect the structural behavior of reinforced concrete (RC) beams, particularly in terms of shear capacity and crack propagation.
Mohamed Elkafrawy, Ahmed Khalil, Mohammad AlHamaydeh, Rami Hawileh, Wael Abuzaid   +4 more
doaj   +1 more source

Karl Popper and the Mechanisms of Hydrogen Embrittlement

Advanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Rational and sustainable procedure in the design of bridges using pre-stressed concrete beams a theoretical practical method

Acta Polytechnica CTU Proceedings, 2022
Currently there is not a direct procedure for the design of this bridge system, the procedure is still based on trial and error, there are no studies that give us both the optimum number of beams and other characteristics such as the correct thickness of
Abel Noé Xochicale Cortés
doaj   +1 more source

Reliability Analysis of a Pre-Stressed Concrete Beam in Flexural Failure

International Journal of Advances in Scientific Research and Engineering, 2020
The Reliability Analysis of a Prestressed Concrete Beam (PCB) was presented using First Order Reliability Method and Euro code 2 procedures to carry out the analysis. The results show that the safety of the PCB in bending decreased from 2.9 to 1.0 and 3.1 to 2.6 as prestress force and the depth from the extreme compressive fiber to the neutral axis of ...
Hadiza Ali, Abubakar I., Ejeh S.P.
openaire   +3 more sources

Understanding the Stochastic Nature of Process Parameter Development of Blown Powder Laser Beam Directed Energy Deposition Additive Manufacturing of Pure Molybdenum

Advanced Engineering Materials, EarlyView.
Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies, Daniel E. Driemeyer, Aaron P. Stebner   +2 more
wiley   +1 more source