TABLE 26 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 |l |

r| Section | | |u | |d |g |g |s |e |

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

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

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

| 1-24 | 60.0|Rock | 0 |[X] | 9|.04| 0 | 0|10|

| 25-55 | 77.5| " |20 |[X] |14|5 |0.5| 1|21|

| 56-72 | 42.5|Mixed sand and |10 |[X]Breasting|22|2 |.09| 2|26|

O| | |rock | | | | | | | |

r| 73-165 | 232.5|Sand and gravel |10 |[X] " |22|0 |0.1| 2|24|

d| 166-184 | 47.5|Sand and silt |20{|[X]Breasting|22|0 |.38| 3|25|

i| | |with piles | {|and cutting}| | | | | |

n| 185-253 | 172.5|Silt and piles |24{|piles }|23|0 |.71| 3|26|

a| 254-293 | 100.0|Silt |26 |[Y]8 doors |22|0 | 0 | 3|25|

r| 294-301 | 20.0| " |27 | |19|0 | 0 | 2|21|

y| 302-307 | 15.0| " |27 |[Y]8 doors |21|0 | 0 | 2|23|

| 308-342 | 87.5| " |28 | |19|0 | 0 | 2|21|

| 343-347 | 12.5| " |28 |[Y]8 doors |15|0 | 0 | 2|17|

| 348-459 | 280.0| " |28 | |20|0 | 0 | 3|28|

| 460-494 | 87.5| " |28 |[Y]8 doors |21|0 | 0 | 3|24|

| 495-513 | 47.5| " |28 | 8 " |23|0 | 0 | 4|27|

| 514-605 | 230.0| " |28 | 8 " |25|0 | 0 | 4|29|

| 606-624 | 47.5| " |28 | 8 " |24|0 | 0 | 4|28|

| 625-640 | 40.0| " |28 | 8 " |38|0 | 0 | 5|43|

| 25-640 |1,540.0| |20 | | | | | | |

| 185-640 |1,140.0| |26 | |23|0 |0.2| 3|26|

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

| 641-647 | 17.5|Silt |28 |[Y]8 doors |24|0 | 0 | 6|30|

| 648-751 | 260.0| " |28 |[Y]8 " |22|0 | 0 | 4|26|

| 752-795 | 110.0| " |28 |[Y]8 " |18|0 | 0 | 7|25|

| 796-825 | 75.0| " |28 |[Y]8 " |19|0 | 0 |10|28|

H| 826-854 | 72.5| " |28 |[Y]8 " |17|0 | 0 | 3|20|

e| 855-881 | 67.5| " |28 |[Y]8 " |23|0 | 0 | 9|32|

a| 882-982 | 252.5| " |28 |[Y]8 " |20|0 | 0 | 8|28|

v| 983-990 | 20.0| " |28 |[Y]8 " |21|0 | 0 | 7|28|

y| 991-1,049| 147.5| " |28 |[Y]8 " |23|0 | 0 | 7|30|

|1,050-1,074| 62.5| " |28 |[Y]8 " |24|0 | 0 | 9|33|

|1,075-1,110| 90.0| " |28 |[Y]8 " |25|0 | 0 |10|35|

| 641-1,110|1,175.0| |28 | |21|0 | 0 | 7|28|

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

A| 185-1,110|2,315.0| |28 | |22|0 |0.1| 5|27|

l| 25-1,110|2,715.0| |26 | |21|0.1|0.1| 3|24|

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 38 / 55 题