1,233 research outputs found
Tee Tang Tong, violin
No full textShulamit RanKrzysztof PendereckiArnold SchoenbergRichard StraussNo program receive
Torsion Design Example: Inverted Tee Bent Cap
No full textThis paper provides a practical example of the torsion design of an inverted tee bent cap of a three-span bridge. A full torsional design following the guidelines of the ACI 318-19 building code is carried out and the results are compared with the outcomes from CSA-A23.3-04, AASHTO-LRFD-17, and EN 1992-1-1:2004 codes. Then, a summary of the detailing of the cross-section considering the reinforcement requirements is presented. The objective of this paper is to illustrate the application of ACI 318-19 when designing a structural element subjected to large torsional moments.Accepted Author ManuscriptConcrete Structure
Analysis of Reentrant Hybrid Tee
No full textThe conventional hybrid tee, which is symmetrical and reciprocal, has been used exclusively in mixer and impedance bridges in microwave engineering. The interconnection of the E-arm and H-arm of the hybrid tee through a 90-degree twist and a phase-shifter by Ishii and Jenners has turned the magic tee into a reentrant hybrid tee with different properties. Ishii and Jenners\u27 paper on the different attenuation levels of port 1 and port 2 of the reentrant hybrid tee has aroused the public interest about the characteristics of the reentrant hybrid tee. It is intended in this study to investigate the characteristics of the reentrant hybrid tee experimentally and theoretically. In the experiment, the author has done the measurements about attenuation, VSWR and impedance against the variation of frequency or phase-shifter setting of the reentrant loop. In theory, the author has derived a general equation for the reentrant hybrid tee, in terms of the scattering parameters of a basic hybrid tee. Conclusions were made about the reentrant hybrid tee by combining the experimental results and theoretical equations
TEE - The Electronic Exercise
No full textThe Electronic Exercise (TEE) is an experimental adaptive learning system which uses knowledge structures to apply an intelligent tutoring algorithm and especially the representation of its surmise relation via HASSE diagrams to navigate within the learning material, to visualize the learning progress and convey the structure itself to the learner. TEE is implemented via dynamic HTML and comes with an editor tool for the structure and the test exercises. Thus an author or teacher can build its own TEE system easily
A parametric study of imaging subsurface objects using ground penetrating radar
No full textA parametric study was carried out to investigate the effects on reconstructed images from a ground penetrating radar (GPR) due to (a) the centre frequency of the GPR excitation pulse, (b) the height of transmitting and receiving antennas above ground level, and (c) the proximity of the buried objects. An integrated software package was developed to streamline the computer simulation based on synthetic data generated by GPRMax
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