Results 171 to 180 of about 15,635,642 (352)

Experimental and theoretical investigation of longitudinal tunnel lining joints with confining reinforcement

open access: yesStructural Concrete, EarlyView.
Abstract Precast reinforced concrete segmental linings are frequently used in modern tunneling. In these linings, the longitudinal joints typically have a reduced contact cross‐section and thus often govern the design, particularly in tunnels under high hydrostatic pressure or crossing squeezing or swelling ground with correspondingly high ...
Fabian Morger   +2 more
wiley   +1 more source

Saturation process in triaxial tests

open access: yesGeotecnia, 2005
Within the scope of study of the behaviour of granite residual soils of Porto for their use as capping layer for pavements, triaxial tests under drained isotropic consolidation were carried out over compacted samples. An important part of this process consisted of obtaining the complete saturation of the soil sample, prior to the loading test stages ...
Faria, Nelly   +2 more
openaire   +1 more source

In-situ triaxial test method in shallow and deep ground

open access: yes, 2008
Two kinds of new in-situ triaxial test methods are presented to measure average stress-strain relationships frock masses. The one is a shallow test conducted on a large hollow cylindrical specimen prepared at or near the ground surface, while the other ...
Okada, T., Taheri, A., Tani, K.
core  

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

Flexural performance of concrete‐filled steel tubular beams with wood chip aggregate

open access: yesStructural Concrete, EarlyView.
Abstract This study investigates the flexural performance of concrete‐filled steel tubular (CFST) beams with partial replacement of aggregates by wood chips (0%–25%) through experimental and numerical analysis. This study is novel in that it experimentally and numerically investigates the flexural behavior of CFST beams with partial replacement of ...
Mizan Ahmed   +6 more
wiley   +1 more source

On the measurement of strains in the triaxial test

open access: yes, 2002
In the paper, various methods of measuring a sample strains in a triaxial test are analysed. Accurate determination of the deformation of a specimen in a triaxial compression test is of great importance for correct evaluation of soil strain-stress ...
Świdziński, W., Mierczyński, J.
core  

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

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