Collider construction pace accelerates

Article Abstract:

The $8.25 billion Superconducting Super Collider construction project in Waxahachie, TX, has finally sped up following financial and siting problems. Tunneling started in Jan 1993 for the project's 54-mile oval tunnel where protons will be driven through. The two underground experimental halls where the protons will collide will constitute the most critical stage of the project. These will measure at 90 ft depth by 350 ft length by 100 ft width. Each hall will contain about 1,000 reinforcing earth anchors, a concrete floor to support heavy research equipment, 34 columns and a composite steel and concrete roof.

Design and construction, Buildings and facilities, Proton accelerators, Waxahachie, Texas

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Computer scheduling and construction specs

Article Abstract:

Mainframe based systems have become outdated and are being replaced by microcomputers. The difference between the two systems can be seen in the comparison of Metrorail system and the Metromover extension system, rapid-transit projects in Miami. In the Metrorail project network diagram, logic diagrams and monthly updates were done manually. The Metromover uses microcomputers to simplify the updating process, and logic diagrams are done by an ink plotter. The significant difference between the two projects is the combining of progress payment with the submitted schedule.

Upgrading (Computers)

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NDT takes guesswork out of drilled-shaft construction

Article Abstract:

The newly developed cross-hole sonic logging, a non-destructive-testing system, is versatile in assessing the quality of drilled concrete shafts. Ultrasonic probes are employed in assessing defects such as solid concrete in the shaft's center and other undesirable factors in shaft construction such as soil intrusions, which were previously hard to detect.

Innovations, Evaluation, Product development, Drilling machines, Shafts (Excavations), Drilling and boring machinery, Boring machines, Non-destructive testing, Nondestructive testing

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