TABLE 27 PART 1

=+===========+=======+============+====+============+==+==+===+===+==|

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 | |

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

| 1-27 | 67.5|Rock | 9 |[C] {|Excavation }|

| | | | | {|partially }|

| | | | | {|completed }|

| | | | | {|previously. }|

| 28-42 | 37.5| " |12 |[C] |13| 4|1 |1 |19|

| 43-58 | 40.0|Rock or |12 |[C] |19| 2|2 |2 |25|

| | | | | | | |

O| 59-153 | 237.5|Gravel and |16 |[C]Breasting|25| |1 |4 |30|

r| | |sand | | | | | | | |

d| 154-170 | 42.5|Sand and |18 | " |26| |1 |5 |32|

i| | |silt w/piles| | | | | | | |

n| 171-236 | 165.0|Silt with |22 |Top half |22| |1 |3 |26|

a| | |piles | |

r| 237-259 | 57.5|Silt |25 |[D]1 door |18| |1 |3 |22|

y| 260-302 | 107.5| " |27 |[D]1 door |15| | |2 |17|

| 303-350 | 120.0| " |27 |[D]8 doors |15| | |4 |19|

| 351-378 | 70.0| " |27.5|[D]8 " |18| | |6 |24|

| 379-424 | 115.0| " |27.5|[D]8 " |19| | |4 |23|

| 425-522 | 245.0| " |28 |[D]1 door |19| | |4 |23|

| 523-625 | 257.5| " |28 |[D]1 " |20| | |4 |24|

| 171-625 |1,137.5| |27 | |19| | |4 |23|

| 28-625 |1,495.0| |25 | |19|.8|0.8|3.4|24|

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

| 626-649 | 57.5|Silt |28 |[D]1 door |16| | | 3 |19|

| 650-733 | 210.0| " |28 |[D]8 doors |19| | | 4 |23|

| 734-753 | 50.0| " |28 |[D]8 " |24| | | 5 |29|

H| 754-844 | 227.5| " |28 |[D]8 " |26| | | 8 |34|

e| 845-859 | 37.5| " |28 |[D]8 " |27| | | 9 |36|

a| 860-899 | 100.0| " |28 |[D]8 " |24| | | 8 |33|

v| 900-935 | 90.0| " |28 |[D]1 door |25| | | 7 |32|

y| 936-963 | 70.5| " |28 |[D]1 " |25| | | 8 |33|

| 964-1,003| 100.0| " |28 |[D]1 " |25| | |10 |35|

|1,004-1,060| 142.5| " |28 |[D]1 " |26| | |10 |36|

|1,061-1,110| 125.0| " |28 |[D]1 " |37| | |10 |47|

|1,111-1,238| 320.0| " |28 |[D]1 " |30| | | 9 |39|

|1,239-1,312| 185.0| " |28 | |39| | | 9 |38|

| 626-1,312|1,717.5| " |28 | |35| | | 8 |33|

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

A| 171-1,312|2,855.0| |28 | |23| | | 6 |29|

l| 28-1,312|3,212.5| |26 | |21| | | 5 |26|

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

=+===========+=======+============+====+============+==+==+===+===+==|

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 43 / 55 题