Results 51 to 60 of about 1,267 (161)

Improvement of Shear Strength of Sandy Soil by Cement Grout with Fly Ash

open access: yesJournal of Engineering, 2016
The effects of the permeation cement grout with fly ash on the sandy soil skeleton were studied in the present work in two phase; first phase the shear strength parameters, and the second phase effect of these grouted materials on volume grouted zone by ...
Haifaa Abdulrasool Ali, Dr   +1 more
doaj  

Performance enhancement of reinforced concrete columns using stainless steel and galvanized steel plates: Experimental and numerical investigation

open access: yesStructural Concrete, EarlyView.
Abstract This study introduces an innovative approach to strengthening defected reinforced concrete (RC) columns using externally bonded stainless steel and galvanized steel plates. Unlike conventional strengthening methods, this technique replaces traditional transverse stirrups with steel sheets, providing enhanced confinement and ductility.
Ahmed Hamoda   +5 more
wiley   +1 more source

Pre‐failure behavior of continuous post‐tensioned and post‐grouted beam in case of tendon failure

open access: yesStructural Concrete, EarlyView.
Abstract Grouted tendons are a common solution for long‐span bridge structures. The grout provides bond and corrosion protection for prestressing steel. However, if the grouting is defective, corrosion of the prestressing steel may initiate and eventually lead to tendon failure.
Olli Asp   +2 more
wiley   +1 more source

Optimization of cement-based grouts using chemical additives

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2017
Grout injection is used for sealing or strengthening the ground in order to prevent water entrance or any failure after excavation. There are many methods of grouting.
Mohammad Reza Azadi   +2 more
doaj   +1 more source

Experimental and design‐oriented research on fiber reinforced concrete segmental tunnel linings: A systematic review

open access: yesStructural Concrete, EarlyView.
Abstract The use of fiber reinforced concrete (FRC) in precast tunnel segments is among the most established and representative applications of this material. Over the past two decades, numerous tunnel linings were constructed with partial or total substitution of conventional steel reinforcement by fibers, this yielding to quantifiable benefits in ...
Vladimir Rusanov   +4 more
wiley   +1 more source

Performance Evaluation of GFRP Rock Bolt Sensor for Rock Slope Monitoring by Double Shear Test

open access: yesAdvances in Civil Engineering, 2020
This study aims to evaluate the sensing performance of glass fiber-reinforced polymer (GFRP) rock bolt sensors instrumented with strain gauges for monitoring rockslides.
Jung-Doung Yu   +6 more
doaj   +1 more source

Market Shares as a Collusive Marker: Evidence From the European Truck Industry

open access: yesJournal of Economics &Management Strategy, EarlyView.
ABSTRACT Collusion theory robustly predicts non‐cartel rivals will raise their prices and increase their output. As a typical cartel cuts back production, its competitors are expected to gain market share during the collusive period and to lose market share in the period following the cartel's demise. We provide empirical support for this prediction by
Andreas Bovin, Iwan Bos
wiley   +1 more source

Large‐Scale Hydrogen Storage: Surface and Subsurface Challenges

open access: yesChemBioEng Reviews, Volume 13, Issue 2, April 2026.
This review examines underground hydrogen storage with emphasis on the interaction between surface facilities and subsurface reservoirs. Variable renewable hydrogen requires compression, buffering, and purification before injection, while subsurface processes influence wellhead pressure, temperature, and composition.
Mostafa Montazeri   +3 more
wiley   +1 more source

Application of RMR89–NATM Rock Mass Classification for Tunnel Design: A Case Study From Bilaspur, Himachal Pradesh, India

open access: yesEngineering Reports, Volume 8, Issue 3, March 2026.
The Bilaspur region lies in a highly seismic zone, requiring special attention for infrastructure development like tunnel construction. Rock strength in the area is low, posing challenges for stable tunnel design. RMR values range from 21 to 30, categorizing the rock mass as Poor, requiring robust support measures.
Baalamurugan Arumugam   +4 more
wiley   +1 more source

Building Back Better Following the 2023 Kahramanmaraş Earthquake Sequence: Repair and Retrofit of Damaged Residential Reinforced Concrete High‐Rise Buildings

open access: yesEarthquake Spectra, Volume 42, Issue 1, February 2026.
Earthquakes have caused, and will continue to cause, damage to the built environment, resulting in casualties, economic losses, and long‐term societal impacts. One approach to decreasing future losses is limiting the damage that buildings experience during an earthquake and speeding up their recovery by following the “build back better” principle.
Nikola Blagojević   +7 more
wiley   +1 more source

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