Results 81 to 90 of about 943 (198)

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

Journal of Field Robotics, Volume 43, Issue 6, Page 3868-3892, September 2026.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone, Mohammed Anteet, Pawandeep S. Matharu, Yara Almubarak   +3 more
wiley   +1 more source

Kształtowanie Belek Sprężonych przez Wyrównywanie Skrajnych Naprężne

Engineering Transactions, 1960
This paper is devoted to determination of the shape of prestressed concrete isostatic beams. Two states of load are considered. In the first case, the beam is subjected to the action of its load and the prestressing force.
A. Brandt
doaj  

Full‐scale Shaking Table Tests on a 10‐story Steel Moment‐resisting Frame Building with Buckling‐restrained Braces

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 10, Page 2356-2378, August 2026.
ABSTRACT In February 2023, a comprehensive series of shaking table tests were conducted at the E‐Defense facility, the world's largest three‐dimensional earthquake simulator, on a full‐scale 10‐story steel moment‐resisting frame supplemented with BRBs.
Jun Fujiwara, Jialiang Jin, Jionghui Li, Tianhao Yan, Ryota Nishi, Akiko Kishida, Koichi Kajiwara, Takuya Nagae, Taichiro Okazaki, Tatsuya Asai   +9 more
wiley   +1 more source

Monitoring and Analysis of Prestress Loss in Prestressed Box Girder Bridges Strengthened with External Prestressing

Sensors
To investigate the effects of long-term prestress loss on concrete box girders strengthened with external prestressing, a large-span box girder, in service for over 20 years and strengthened with external prestressing, was monitored for four months ...
Haoran Guo, Jing Yang, Renjie Tang, Caiqian Yang, Fu Xu   +4 more
doaj   +1 more source

Bayesian Inference of Fault Slip Heterogeneity and Overlap: Application to 2019 Ridgecrest Earthquakes and Afterslip

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 8, August 2026.
Abstract Fault slip occurs in both seismic and aseismic styles with spatial variability across scales, yet non‐unique source inference limits our ability to resolve slip complexity and dynamics. Here we evaluate the effect of spatial smoothing regularization in Bayesian frameworks by comparing an unregularized (BUR) approach that samples distributed ...
Xiong Zhao, Junle Jiang
wiley   +1 more source

Experimental Study of the Effectiveness of Strengthening Reinforced Concrete Slabs with Thermally Prestressed Reinforcement

CivilEng
Conventional strengthening measures for existing structures are usually not effective for the self-weight, which accounts for around 70% of the total load in reinforced concrete structures.
Yannik Schwarz, David Sanio, Peter Mark
doaj   +1 more source

The 2025 Mw 7.6 Aomori Megathrust Earthquake in Northeast Japan: Failure of a Structurally and Rheologically Bounded Asperity Beneath a Cold Mantle Wedge

Geophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract To explore mechanisms of rupture segmentation, we invert coseismic GNSS offsets for the 2025 Mw 7.6 Aomori, Japan earthquake. Our preferred curved‐fault solution images a compact thrust rupture at 25–50 km depth with peak slip ∼2.5 m near 35 km.
Xiaolong Zhang, Shaoyang Li, Jinhong Shi, Yuji Itoh, Ji Zhang, Aitaro Kato, Ling Chen   +6 more
wiley   +1 more source

Monitoring of prestressing forces in prestressed concrete structures—An overview [PDF]

Structural Control and Health Monitoring, 2019
Hiba Abdel‐Jaber, Branko Glisic
openaire   +1 more source

Embedded aluminum sections and prestressed high-performance concretes for improving shear performance of RC beams

Case Studies in Construction Materials
The paper presents a novel sustainable technique for shear strengthening of reinforced concrete (RC) beams utilizing embedded aluminum boxes and prestressed high-performance concretes (HPCs).
Galal Elsamak, Mohamed Ghalla, Jong Wan Hu, Abdullah Albogami, Mohamed Emara, Shiren Osman Ahmed   +5 more
doaj   +1 more source

Influence of Cracking on Effects of Restrained Deformations in a Post-tensioned Concrete Bridge

Nordic Concrete Research, 2018
Imposed and restrained deformations cause stresses in continuous concrete bridges, and in analyses of the superstructure these stresses are usually reduced to some degree due to creep and cracking of concrete.
Jalonen Kimmo, Tulonen Joonas, Laaksonen Anssi   +2 more
doaj   +1 more source