Free and Discounted Ebooks
Join 130,000 readers! Get our ebook deals straight to your inbox.

Pressure, Resistance, and Stability of Earth

American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910

Cover image for

Download


Author: J. C. Meem
Published: 1910
Language: English
Wordcount: 25,995 / 85 pg
Flesch-Kincaid Reading Ease: 62.7
LoC Category: Q
Downloads: 383
Added to site: 2005.10.26
mnybks.net#: 140
Genre: Science
Excerpt

lates and a loosening up of the wedges in the supports bearing on the arch timbers. During this operation of "bottoming," two men on each side were constantly employed in tightening up wedges and shims above the arch timbers. It is impossible to explain the fact that these timbers slackened (without proportionate roof settlement) by any other theory than that the arching was so nearly perfect that it relieved the bracing of a large part of the load, the ordinary loose material being held in place by the arching or wedging together of the 2-in. by 3-ft. sheeting boards in the roof, arranged in the form of a segmental arch. The material above this roof was coarse, sharp sand, through which it had been difficult to tunnel without losing ground, and it had admitted water freely after each rain until the drainage of a neighboring pond had been completed, the men never being willing to resume work until the influx of water had stopped.

The foregoing applies only to material ordinarily found under ground not suba

SUBSCRIBE TO MANYBOOKS 

FREE EBOOKS 

Join 120,000+ fellow readers! Get Free eBooks and book bargains from ManyBooks in your inbox. 

We respect your email privacy

(advanced)
login | register

User ID

Password

reset password

Author of the Day

Maria Elena Sandovici
Having lived in both Romania and the U.S., Maria Elena Sandovici soon discovered that life in a foreign country isn't necessarily easier or better than where you grew up. Her book, Dogs With Bagels revolves a lot around this theme. Today we chat with her about homesickness, using flawed characters and the meaning behind the title of the book.
Read full interview...