TABLE 24 PART 1

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W| | | AVE. NO. |

e| | | OF MEN |

i| | DESCRIPTION | IN GANG |

g| |-------+-------------+---+-------------+--+--+---+--+--|

h| | | |Ave| | | | |A | |

t| | | |air| | |D |G |i | |

| | | | | | |r |r |r | |

o| | | |P | |S |i |o | | |

f| | | |r | |h |l |u |t |T |

| | | |e | |i |l |t |r |o |

| | | |s | |e |i |i |a |t |

i| | | |s | |l |n |n |n |a |

r| Section | | |u | |d |g |g |s |l |

o| between | Length| |r |Method of |--+--+---+--| |

n| rings |in feet|Material |e |Excavation |A |B |C |D | |

-+-----------+-------+-------------+---|-------------+--+--+---+--+--|

| 1-54 | 135.0|Rock | |[P] | | | | |14|

| 55-80 | 65.0| " |19 |[P] |24| 7|1/3| 1|32|

| 81-107 | 65.0|Soft rock |18 |[P] |22| 5| | 2|29|

O| 108-153 | 117.5|Rock |14 |[P] |17|11| | 2|30|

r| 154-194 | 102.5|Rock and |14 |[P] |23| 6| | 2|31|

d| | |earth | | | | | | |

i| 195-215 | 52.5|Silt |19 |[P]Breasting |28| | | 2|30|

n| 216-393 | 445.0| " |20 |[Q]8 doors |27| | | 4|31|

a| 394-429 | 90.0|Silt, piles, |24 |[C]Breasting |28| | | 4|32|

r| | |rip-rap | | | | | | |

y| 430-509 | 200.0|Silt |23 |[Q]1 door |24| | | 3|27|

| 510-692 | 457.5| " |23 |[Q]3 doors |26| | | 4|30|

| 55-692 |1,593.0| |20 | |25| 2| | 3|30|

| 216-692 |1,192.5| |22 | |26| | | 4|30|

-+-----------+-------+-------------+---+-------------+--+--+---+--+--|

| 693-954 | 655.0|Silt |24 |[Q]1 door |28| | | 6|34|

| 955-1,014 | 150.0| " |24 |[Q]1 " |28| | | 8|36|

|1,015-1,074| 150.0| " |24 |[Q]1 " |25| | | 8|33|

H|1,075-1,134| 150.0| " |24 |[Q]1 " |27| | | 9|36|

e|1,135-1,194| 150.0| " |25 |[Q]1 " |26| | | 8|34|

a|1,195-1,224| 75.0| " |25 |[Q]1 " |24| | | 9|33|

v|1,225-1,262| 95.0| " |25 |[Q]1 " |23| | | 9|32|

y|1,263-1,277| 37.5| " |25 |[Q]1 " |24| | |10|34|

|1,278-1,307| 75.0| " |25 |[Q]1 " |21| | |10|31|

|1,308-1,326| 47.5| " |28 |[Q]1 " |27| | |11|38|

| 955-1,326| 930.0| |24 | |26| | | 9|35|

| 693-1,326|1,585.0| |24 | |27| | | 8|35|

-+-----------+-------+-------------+---+-------------+--+--+---+--+--|

A| 216-1,326|2,777.5| |23 | |27| | | 7|34|

l| 55-1,326|3,180.0| |22 | |26| | | 6|32|

l| | | | | | | | | | |

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Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The North River Tunnels. Paper No. 1155 · 第 28 / 55 题