Results 61 to 70 of about 2,751,834 (354)

Concrete beams with externally bonded flexural FRP-reinforcement: analytical investigation of debonding failure [PDF]

, 2003
This paper studies the problem of early concrete cover delamination and plate-end failure of reinforced concrete beams strengthened with externally bonded FRP-reinforcement. The accuracy of analytical models and finite element (FE) methods for predicting
Adams, Arduini, Fanning, Garden, Goland, Kwak, Kypros Pilakoutas, Lau, Malek, Meier, Nguyen, Ninoslav Pešić, Quantrill, Rahimi, Ramana, Ritchie, Robert, Roberts, Roberts, Ross, Saadatmanesh, Saadatmanesh, Sharif, Smith, Spadea, Taljsten, Teng, Triantafillou, Volkersen   +28 more
core   +1 more source

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

Advanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim, Gayoung Seo, Seong Yeon Park, Juwon Jang, Yunho Ahn, Samiksha Mukesh Jain, Samrat Das Adhikari, Harumi Correa‐Leiva, Ignacio Utreras‐Asenjo, Oscar A. Douglas‐Gallardo, Carina Pareja‐Rivera, Kayoung Cho, Byeongsung Kim, Jhonatan Rodriguez‐Pereira, Eunseo Choi, JaeHong Park, Jin Ho Bang, Danilo H. Jara‐Quinteros, Sixto Giménez, Seog Joon Yoon, Andrés F. Gualdrón‐Reyes, Iván Mora‐Seró   +21 more
wiley   +1 more source

Beam-to-Beam Connection of Precast Concrete Structures: State of the Art

MATEC Web of Conferences, 2019
The use of precast concrete is known to improve productivity, quality control, and cost efficiency in reinforced concrete structure. The Connection is the most important aspect of precast concrete structures.
Hery Kristiyanto, Andreas Triwiyono, Muslikh, Ashar Saputra   +3 more
doaj   +1 more source

A case study of flexural performance of reinforced concrete beams bonded with steel plates with different thickness

Journal of Materials Research and Technology, 2019
This study investigates the flexural behavior of four reinforced concrete beams. The beams were composed by adding steel plates which have different thickness (2, 3, and 5 mm) in the tension zone to invention out the consequence of the altered plate ...
Rafid Saeed Atea
doaj   +1 more source

Experimentally Effectiveness of Shear Carrying Capacity of Reinforced Concrete Rectangular Beam by using Rectangular, Triangular and Spirally Stirrups.

International Journal of Innovative Technology and Exploring Engineering, 2020
This paper presents a study of shear behavior of reinforced concrete beam. Generally, shear reinforcement of concrete beam consists of rectangular shape stirrups. when replacing the traditional stirrups by continuous spirally and triangular shape stirrup’

semanticscholar   +1 more source

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

Advanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro, Mario González‐Quintas, Mónica Fernández‐Arias, Jesús del Val, Félix Quintero, Rafael Comesaña, Fernando Lusquiños, Julian R. Jones, Juan Pou   +8 more
wiley   +1 more source

Development of timber concrete composite (TCC) beam with post-tensioning [PDF]

, 2020
Post-tensioning is a method of reinforcing (strengthening) concrete or other materials with high-strength steel strands or bars. The timber type that is used in all researches is the engineering timber products laminated veneer lumber (LVL) and glue ...
Obeed, Wissam Mushina
core  

Tough, Ductile, and Strong Hard‐Soft Cementitious Composite Enabled by Multi‐Material Additive Manufacturing

Advanced Materials, EarlyView.
Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine, Shashank Gupta, William Makinen, Zayvinn Lin, Krystal Delnoce, Reza Moini   +5 more
wiley   +1 more source

Research on Crushing Concrete Members by High-Voltage Pulse Discharge Technology

Advances in Civil Engineering, 2021
High-voltage pulse discharge (HVPD) is an energy-saving, efficient, and green technique, which has broad prospects in concrete crushing. The finite element models of the concrete beam, slab, and column segments were established with ANSYS/LS-DYNA finite ...
Xiaodong Wang, Jiaxu Du, Ningjing Li
doaj   +1 more source

Flexural analysis of concrete beams longitudinally reinforced with GFRP bars using discrete element model [PDF]

, 2011
This paper presents experimental and analytical study related to the flexural behavior of concrete beams longitudinally reinforced with GFRP bars. The specimens consist of simply supported reinforced concrete beams with two point load.
Suki, Nauwal
core