SZ/OEMU/29/1/13 - Test on tunnel shelter at Epson Downs, 6/41, 7/41

Reference code

SZ/OEMU/29/1/13

Level of description

Item

Title

Test on tunnel shelter at Epson Downs, 6/41, 7/41

Date/s

1941

Quantity & Format

4 leaves

Creator

Road Research Laboratory

Scope and content

R.C. 242

ARP/235/HJHS

Discusses a test in which a 250 kg bomb exploded 24 feet down in a 42 foot deep tunnel shelter. The explosion displaced 30 tons of chalk over a length of 40 feet. The downward accelerations of the tunnel roof was measured at 400 times that of gravity.

Corrigenda slip attached.

SZ - Zuckerman Archive
- SZ/OEMU - Ministry of Home Security, Oxford Extra-Mural Unit
  - SZ/OEMU/29 - [OEMU. CDRC - Shelters, beams, and walls]
    - SZ/OEMU/29/1 - [OEMU. CDRC - Shelters, beams, and walls. File One]
      - SZ/OEMU/29/1/13 - Test on tunnel shelter at Epson Downs, 6/41, 7/41

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