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Twin pavers pour tunnel invert blocks
Two Rex-E pavers, positioned side by side, pour concrete block inverts at open-cut approach on Patapsco River Tunnel job, Baltimore, Md; concrete is dumped directly into forms; pavers pour block 40 ft long, 88 ft wide, and 3 to 14 ft thick per day; average progress 375 yd day.
Twin pavers pour tunnel invert blocks
Two Rex-E pavers, positioned side by side, pour concrete block inverts at open-cut approach on Patapsco River Tunnel job, Baltimore, Md; concrete is dumped directly into forms; pavers pour block 40 ft long, 88 ft wide, and 3 to 14 ft thick per day; average progress 375 yd day.
Twin pavers pour tunnel invert blocks
Construction Methods Equipment
1956
2 pages
Article (Journal)
English
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