Kachina test series: Dynamic Arch Test Three (dat-3) analysis report. Final report, September 1982-September 1983

This report documents the post-test efforts for the Dynamic Arch Test 3 (DAT-3). Pretest predictions and structural design details are presented in AFWL-TR-83-56. This test was designed to simulate a one-quarter scale 100-kt nuclear surface burst (airblast and ground shock only) at a range corresponding to MPa. This scales to a 1.56-kt detonation at approximately 44.6 m. The actual test environment achieved was a 1.56-kt simulation with a peak pressure of 14 MPa. The structures tested in this event included two short arches, and one long arch composed of four arch segments. Field opeations, arch construction, simulation analysis, ground shock analysis, and structural response are all discussed. The results of a fiber optics add on experiment are also presented.