A methodology to determine soil moisture movement due to thermal gradients

2003 ◽  
Vol 27 (6) ◽  
pp. 715-721 ◽  
Author(s):  
S. Krishnaiah ◽  
D.N. Singh
Keyword(s):  
Soil Moisture ◽  
Thermal Gradients ◽  
Moisture Movement

Adfreezing of insulated residential basements: an hypothesis

1987 ◽  
Vol 14 (5) ◽  
pp. 708-710
Author(s):  
K. D. Pressnail ◽  
J. Timusk
Keyword(s):  
Soil Moisture ◽  
Bond Strength ◽  
Key Words ◽  
Thermal Insulation ◽  
Frost Heave ◽  
Thermal Gradients ◽  
Moisture Movement ◽  
Foundation Wall

Concern has been expressed that recent increases in thermal insulation levels of residential basements in areas of seasonal frost may increase the risk of damage to foundations due to frost heave and adfreezing of the soil to the foundation wall. An hypothesis is presented which states that the adfreezing bond strength is affected by the direction of soil moisture movement in response to thermal gradients. This hypothesis may be used to explain why there have been no reported adfreezing problems associated with heated, insulated residential basements. Key words: adfreezing, basement, frost heave, insulation, moisture.

Assessment of soil moisture movement in nuclear subsidence craters

1992 ◽  
Vol 139 (1-4) ◽  
pp. 159-181 ◽  
Author(s):  
S.W. Tyler ◽  
W.A. McKay ◽  
T.M. Mihevc
Keyword(s):  
Soil Moisture ◽  
Moisture Movement

scholarly journals Experimental and Numerical Analysis of Soil Cracking Characteristics under Evaporation

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Di Feng ◽  
Jiakun Gong ◽  
Xiaodong Ni ◽  
Jie Ren
Keyword(s):  
Soil Moisture ◽  
Developmental Stages ◽  
Water Movement ◽  
Soil Surface ◽  
Geometrical Parameters ◽  
Dynamic Prediction ◽  
Moisture Movement ◽  
Cracking Characteristics ◽  
Cracked Soil ◽  
Soil Cracks

There are numerous cracks on soil surface in nature. These cracks are mainly formed by the continuous water loss and shrinkage of soil under evaporation. Cracks have an important effect on the properties of soil. The analysis of soil moisture movement and cracking characteristics under evaporation is of great significance to the engineering construction in the cracked soil area. In this work, an experimental study was conducted to investigate the development of soil cracks. Crack geometrical parameters were acquired at various developmental stages. According to this, the crack evolution characteristic was described qualitatively. The law of soil water movement was analyzed through the numerical simulation of evaporation effect on cracked soil. The relationship between soil moisture content and crack width was revealed, and the dynamic prediction of crack development under evaporation was realized. The results show that the development and evaporation process of soil cracks can be divided into three distinct stages, and the longer the stable evaporation time, the greater the development of cracks.

Sign in / Sign up

Export Citation Format

Share Document