Use of styrofoam under concrete sidewalks - Info and Reading Options
final report
By Stephen F. Weber
"Use of styrofoam under concrete sidewalks" was published by Montana Dept. of Highways in 1974 - [Helena], it has 43 pages and the language of the book is English.
“Use of styrofoam under concrete sidewalks” Metadata:
- Title: ➤ Use of styrofoam under concrete sidewalks
- Author: Stephen F. Weber
- Language: English
- Number of Pages: 43
- Publisher: Montana Dept. of Highways
- Publish Date: 1974
- Publish Location: [Helena]
“Use of styrofoam under concrete sidewalks” Subjects and Themes:
- Subjects: Insulating materials - Frost heaving - Low temperature materials - Sidewalks
Edition Specifications:
- Pagination: vi, 43 p.
Edition Identifiers:
- The Open Library ID: OL33223306M - OL24993168W
- Online Computer Library Center (OCLC) ID: 3504987
AI-generated Review of “Use of styrofoam under concrete sidewalks”:
"Use of styrofoam under concrete sidewalks" Table Of Contents:
- 1- Technical report standard title page
- 2- Acknowledgements
- 3- Table of contents
- 4- List of tables
- 5- List of figures
- 6- Abstract
- 7- Introduction
- 8- Location and design
- 9- Site conditions
- 10- Temperature data
- 11- Moisture - density data
- 12- Soils data
- 13- Temperature and effects of insulation
- 14- Moisture distribution and migration
- 15- Soil densities
- 16- Conclusions
- 17- Recommendations
- 18- List of references.
"Use of styrofoam under concrete sidewalks" Description:
The Open Library:
From 1971 to 1974, a study was made of the freezing characteristics under an insulated and uninsulated sections of a sidewalk. A 1 1/2 inch layer of styrofoam insulation was placed under a newly constructed sidewalk which replaced a one year old sidewalk that was failing from displacement by frost heaving. Temperature recordings were made during three winter seasons. Soil densities and moisture contents were monitored during the second season. The insulation was successful in eliminating heaving and cracking of the sidewalk for the three years which included a maximum freezing index of 1000 degree days as the most severe winter. The uninsulated control section and adjacent city walks and concrete aprons heaved during each of the three winter seasons the mildest of which had a freezing index of 577 degree days. Due to differing permeabilities of soil layers and limited and variable recharging of water to the soil, a correlation with the overall heat flow equation could not be tested. Factors were identified that tend to limit the growth of ice lenses. The effectiveness of an insulation barrier is evaluated in terms of time and prevailing air temperature.
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