Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910

The Bergen Hill Tunnels. Paper No. 1154

Author: F. Lavis
Published: 1910
Language: English
Wordcount: 24,115 / 83 pg
Flesch-Kincaid Reading Ease: 102.6
LoC Categories: AP, TA
Downloads: 220
Added to site: 2007.04.16
mnybks.net#: 16600
Origin: gutenberg.org
Genre: Non-fiction
Advertisement
Excerpt

Pounds | | | | Depth | Cubic | of | Advance | | | Drilled | Yards | Dynamite | | +---------+------------+-----------+------------+---------+ | Heading | 190 to 220 | 35 to 42 | 134 to 196 | 6½ to 8 | +---------+------------+-----------+------------+---------+ | | | | | | | Bench | 145 " 190 | 90 to 110 | 118 " 167 | 6½ " 8 | +---------+------------+-----------+------------+---------+

+-----+-------------------------+----------------------------------+ | | Per Cubic Yard | Per linear Foot of Tunnel | | +------------+------------+-------+-----------+--------------+ | | Linear | Pounds | Cubic | No. of | Pounds | | | Feet | of | Yards | Feet | of | | | Drilled | Dynamite | | Drilled | Dynamite | +-----+------------+------------+-------+-----------+--------------+ | Hd. | 5.4 to 6.0 | 3.9 to 5.0 | 5.3 | 28 to 32 | 20.7 to 26.5 | +-----+------------+------------+-------+-----------+--------------+ | B. | 1.6 " 1.9 | 1.3 " 1.8 | 13.7 | 22 " 36 | 17.8 " 24.7 | +-----+------------+------------+--

Cover image for

Download


show mobile phone QR code

Donate a small amount via Paypal below or read about some other ways that you can support ManyBooks.