Photgraphs of Los Angeles Strainmeter Work



Aug. 02.

Feb. 02.

Feb. 02.

Help from Caltrans, Feb. 02.

Vacuum pipe bellows, Feb. 02.

LOA tube installation, Jan. 02 (68 kB).

LOA tube installation, Jan. 02 (72 kB).

Reflector housing assembly, Jan. 02 (60 kB).

Reflector housing assembly, Jan. 02 (68 kB).

Reflector housing assembly, Jan. 02 (80 kB).

South end instrument enclosure, Oct. 01 (164 kB).

Installing the vault, 16 Oct 01 (128 kB).

South vault foundation, 23 July 01 (164 kB).

South vault foundation forming, 18 July 01 (176 kB).

North vault foundation pouring, 18 July 01 (176 kB).

Looking south from north vault along (uncompleted) strainmeter, 6 July 01 (116 kB) [photo by John Marquis, SCEC, http://www.scec.org/].

Media visit north vault during "SCIGN Unveiling" 6 July 01 (172 kB) [photo by John Marquis, SCEC, http://www.scec.org/].

North vault during "SCIGN Unveiling" 6 July 01 (180 kB) [photo by John Marquis, SCEC, http://www.scec.org/].

Southwest view of grouting, June 01 (148 kB).

Setting optic anchor in casing frame, June-01 (184 kB).

Setting casing for anchor, north end, June-01 (160 kB).

Caltrans installation of protective railing for strainmeter, Mar-01 (144 kB).

Close-up of drilling head - dual cylinder drill casing (164 kB).

Close-up of outer drill steel with laser-pointer alignment guide (dots); view close-up (272 kB).

Completion of the drilling at the north end, in the rain, Feb-01 (132 kB).

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