Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 37 for “"Beam tests"”.
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Push-out and composite beam tests of shear connectors
<p>http://www.worldcat.org/oclc/9414807</p>
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Behavior and Strength of Welded Stud Shear Connectors
… placed in deck with ribs transverse to the steel beam. Twenty-four solid slab push-out tests, 93 composite slab push-out tests, and bare stud tests were performed to study the effects on stud strength of friction, normal load, position of studs in the ribs of steel deck, concrete strength, and …
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Numerical Modelling and Analysis on Structural Behaviour of Composite Slim-Floor Beams
… the behaviour of composite slim-floor beams based on numerical modeling and analysis. This dissertation summaries the developments and prospects of composite floor beams, includes investigation of push-out tests, shear beam tests, flexural beam tests. The most important result in this …
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Retrofitting of reinforced concrete beams with CFRP straps to enhance shear capacity
… for shear enhancement of reinforced concrete beams. Previous studies using these straps have employed steel pads on top of the beam to support the strap but this is problematic from a practical point of view. The initial goal of this research was to develop a method of installing the straps …
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Retrofitting of reinforced concrete beams with CFRP straps to enhance shear capacity
… for shear enhancement ofreinforced concrete beams. Previous studies using these straps have employed steel pads on top of the beam to support the strap but this is problematic from a practical point of view. The initial goal of this research was to develop a method of installing the straps …
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Detector and Physics Performance of the ATLAS Inner Tracker
… and laser testing procedures, irradiation tests at Fermilab, beam tests at DESY, and the detailed development of a thermal-cycling box with custom hardware interlocks and NTC calibration studies. The second part focuses on the angular analysis of the rare flavour-changing neutral current …
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Web crippling of high strength cold-formed steel beams
… behavior of high strength cold-formed steel beams subjected primarily to web crippling was investigated analytically and experimentally. In this study hat sections and I-beams, formed from five different types of high strength sheet steels commonly used in the automobile industry, were …
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Development of Residual Stress Measurement for Concrete Pavements through Cantilevered Beam Testing
… stress relaxation in cantilevered concrete beams. The cantilevered beams were used to create a known and moderately-uniform stress state in the specimens. Testing at the University of Illinois continued the use of core rings and cantilevered beams and also introduced a method using notches. …
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Behaviour of demountable shear connectors in composite structures
… in composite structures through push off tests and composite beam tests. Push off tests were conducted to examine the shear strength, stiffness and ductility of demountable shear connectors in composite structures. The experimental results showed that demountable shear connectors in …
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An Evaluation of Optical Fiber Strain Sensing for Engineering Applications
… was investigated with both axial and cantilever beam tests. These results were compared to both the strain response of conventional strain gages and to model predictions. The results indicate that only about 82.6% of the strain in the specimen was transferred through the glue line and fiber …
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Evaluation of Hybrid-Composite Beam for Use in Tide Mill Bridge
A test program for the Hybrid-Composite Beam (HCB) was conducted prior to its use for the replacement of a skewed, simply-supported bridge (Tide Mill Bridge). The HCB is an innovative combination of conventional materials and ideas in a structural beam. The beam consists of a concrete arch tied …
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Quarkonium Suppression in pPb Collisions at CMS and Timing Detectors for Future Collider Experiment
… simultaneous spatial and temporal precision. Beam tests demonstrate timing resolutions of 20–35 ps and spatial resolutions of 12–20 µm, establishing AC–LGADs as promising candidates for 4D tracking layers in future experiments, including the future Electron–Ion Collider.
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Fatigue Performance and Shear Demand Distributions of Clustered Shear Connectors in Composite Bridge Girders
… resulting demands on headed studs in composite beams are important for ensuring adequate composite design. This study investigates stud demands in composite bridge girders using large-scale fatigue testing and direct pressure measurements for stud force calculations. In this study, two …
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Zum Trag- und Verformungsverhalten der Kopfbolzendübel von Stahlverbundträgern mit Vergussfugen
… establish the concrete boom of composite steel beams offers economic benefits in comparison to the use of cast-in-place concrete. The use of poured joints as composite joints is a simple and safe method to create a shear-resistant connection between the steel beam and the concrete boom and …
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Clarification of the notched beam Level II Testing Procedures of ACI 446 Committee Report 5
… crack model using three-point bend notched beam tests. ACI 446-5 currently contains errors and some impractical methods, combined with complex and often obscure equations for the determination of the bilinear cohesive fracture parameters. To remedy this, the equations for the calculation of …
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Evaluation of stress corrosion cracking of high-nitrogen Cr-Mn stainless steel
… is known to be susceptible. Slow strain rate tests (SSRT) were performed on solution treated specimens a t30°C in aerated aqueous sodium chloride (NaCI) solution containing hydrochloric acid (HCI) of varying concentration at open circuit potentials. Static tests in the form of bent-beam tests …
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The notched coating adhesion specimen: a fracture test for coatings and accelerated screening test for adhesion
… is the cause of bond degradation, these simple tests offer the potential to rapidly estimate the durability of a given adhesive/substrate system. Accelerated durability studies were conducted on model steel/epoxy systems, and the results were compared to the results for double cantilever beam …
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Finite Element Evaluation Of The Effects Of Lateral Anchorage Strips On The Behavior Of Cfrp-strengthened Rc Beams
… flexural behavior of doubly reinforced concrete beams strengthened using different Carbon Fiber Reinforced Polymer (CFRP) composite strengthening configurations has been carried out. Prior to the study, a total of six beams were constructed, pre-cracked, strengthened and tested to failure under a …
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Distributed Fibre Optic Sensing to Assess Support Reactions and Behaviour of Composite Steel Bridges
… measurements to estimate support reactions in beams through an experimental investigation that involved beam, model bridge, and field load tests. Five steel beams were instrumented with fibre optic sensors and loaded in simply supported and continuous beam configurations. Disturbed regions in …
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Sub-nanosecond Cherenkov photon detection for LHCb particle identification in high-occupancy conditions and semiconductor tracking for muon scattering tomography
… Data recorded during SPS charged particle beam tests using a 6.25 ns time gate show a reduction of up to a factor of four in asynchronous detector noise compared to the original 25ns readout. A time-walk correction based on the time-over- threshold is proposed. Using the LHCb simulation …
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