platform beam reinforcement sep10-feb11

Section links:
Intro: beam reinforcement
memos from amman and whitney
nov10: U3-L4 repair
10sep10: U2-U2L3 REPAIR

  


Intro:beam reinforcement

    Beams will be added to reinforce the platform at:


Memos from amman and whitney



NOV10: U3-L4


date bm
az
dome
ch
temp
td12
kips
td4
kips
td8
kips
Notes
17nov10
4N
135
8
8.834
78
41
46
42
testing td 22,17,22


135 8
8.834
79
41
43
42
td 22,15,22


135
8
8.834
78
41
42
42
td 22,14,22


135
19.5
8.834
79
64
8
52
td 22,15,22



















































































10sep10: U2-U2L3:

u2-l2l3 procedure:


    The motion sequence was:


u2-u2l3 repair
date
bm
az
dome
ch
temp
td12
kips
td4
kips
td8
kip (bad)
Notes

11sep10

315
8
8.834
81
44
47
40
balanced
11sep10

315 14
8.834 81 32
65
34
put 65 kips in td4
13sep10

315
8
8.834
75
48
48
44
td12,4,8:21,18,22 inches
13sep10

315
15
8.834
75
33
69
38
put 11500 kipft unbalance
14sep10
4N-1
315
8
8.834
79
46
48
41
td12,4,8:22,21,22
14sep10
4N-1
315
15
8.834
79
31
69
35
td12,4,8:22,21,22
installing first beam.
tensions,temp@9:45am.
16sep10
4N-2
315
8
8.834 79
48
48
44
td12,4,8: 22,18,22. 8:15am install
16sep10
4N-2
315
15
8.834 79
80
82
34
30
27
69
65
61
37
34
31
08:24 install
10:00
13:20
18sep10
4S-1
285
8
8.834
77
48
49
45
21,18,22 install
18sep10
4S-1
285
15
8.834
77
44
70
30
install
20sep10
4S-2
285
15
8.834
83
41
67
27
td 21,18,22 7:45am install
21sep10
22sep10
8S-1

75
8
8.834
76
75
50
50
53
53
48
47
td 21,18,22 measurement
td 21,18,22 installation
21sep10
22sep10
23sep10
8S-1
75
15
8.834
76
75
44
43
38
38
68
68
measurement
installation 7:00 am
Note trouble welding. left bolts loose overnite completed on 23sep10
25sep10
8S-2
75
15
8.834
80
37
32
62
tdPos:(21,19,22)
installation 9:30 (they started before i got here so don't have balanced tensions).
27sep10
8N-1
45
8
8.834
81
44
46
44
tdpos(21,14,22)measurement 7:30
27sep10
8N-1
45
15
8.834
82
25
37
51
tdpos(21,14,22)measurement
29sep10
8N-1
45
8
8.834
81
47
49
44
tdpos(22,17,22)7:50 install 
29sep10
8N-1
45
15
8.834
81
32
44
64
tdpos(22,17,22)7:5 install
30sep10
8N-2
45
8
8.834
38
44
34
tdpos(14.3,14.6,14.4) they didn't bother to pull to 48 kips at balance
30sep10
8N-2
45
15
8.834 77
83
33
22
45
34
65
55
tdpos(22,17,22) 8am install
11am
01oct10
12W-1
195
8
15
8.834 77
49
70
51
44
47
33
tdpos (22,17,22) 7:50 (am) measure
7:50 measure
02oct10
12W-1
195
8
15
8.834
74
49
70
51
45
47
33
tdpos(22,17,22) 7:20am install
7:25am
04oct10
12W-2
195
8
15
8.834
81
47
66
49
41
45
30
tdpos(22,17,22) 7:45 install
7:45
11oct10
12E-1
broken
165
8
15
8.834 75
47
65
49
32
45
39
tdpos(22,17,22) 7:30 measure
7:50
12oct10
12-e1
broken
165
8
15
8.834
82
46
64
48
31
44
39
tdpos(22,17,22)  8:00 install
13oct10
12E-2
165
8
15
8.834
84
44
64
48
31
43
39
tdpos(22,17,22) 8:00 install

    My unbalanced moment model gave with ch at 8.834 gives:




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