Texas DOT Experience with Prefabricated Bridge ... - MCEER
Texas DOT Experience with Prefabricated Bridge ... - MCEER
Texas DOT Experience with Prefabricated Bridge ... - MCEER
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Cap Fabrication<br />
• Construction according<br />
to Item 420<br />
• Mass concrete placement<br />
– Max 160 deg F absolute<br />
and 35 deg F differential<br />
• Off-the-form finish<br />
160<br />
• Approved grout tubes<br />
140<br />
• Full curing w/ interruption 120<br />
allowance to turn over 100<br />
forms (3000 psi)<br />
80<br />
• Avoid damaging members 60<br />
Absolute Temp (F)<br />
Core<br />
Surface<br />
Differential<br />
0 50 100 150<br />
Time (Hours)<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
Temp Differential (F)
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