Browse > Article

A Empirical Study on Durability and Waterproofing Characteristic of Space Multi-Injection Grouting Method  

Shin, Hyohee (Dept. of Civil Eng., Univ. of Seoul)
Park, Minchul (Dept. of Civil Eng., Univ. of Seoul)
Park, Kyeonghan (Dept. of Civil Eng., Univ. of Seoul)
Suh, Jeeweon (Seongwoo Geotec Co. Ltd.)
Lee, Song (Dept. of Civil Eng., Univ. of Seoul)
Publication Information
Journal of the Korean GEO-environmental Society / v.14, no.1, 2013 , pp. 53-60 More about this Journal
Abstract
On this study, engineering properties of SGR method and SMI method, which are typical sodium silicate methods, were compared through the laboratory test and durability, strength, waterproof characteristic and environmental effects were compared and analyzed with period and condition of curing on each case. As a result of durability test, volume change of SGR is approximately 23-times greater than SMI and the effects on environment are appeared safe on all method. In case of waterproof characteristic test, permeability coefficient is decreased about 24% on SMI, whereas on SGR permeability coefficient is showed to increase because rapid volume change make wider void. Strength characteristics of SMI are appeared higher about 11-times in case of homogel and 3.9-times in case of sandgel than SGR. Which is because volume change of SMI, caused by leaching, is smaller than SGR.
Keywords
S.M.I method; Silica sol; SGR method; Gel-time;
Citations & Related Records
연도 인용수 순위
  • Reference
1 ASTM (2006), Standard test method for unconfined compressive strength of cohesive soil, D2166, pp. 1-6.
2 Chun, B. S., Jung D. G. and Ryu D. S. (1996), A study on the characteristics of silicasol as injection material for soil impovement, Korean Geotechnical Society Spring Conference, pp. 30-37 (in Korean).
3 Chun, B. S. (1997), Development and practice of the inorganic ultra fine cement and silicasol in Korea, Ministry of Construction & Transportation, pp. 152-186 (in Korean).
4 Kim, Y, H. (2012), A study on the application and grouting effects of akali-silicasol grout material from field test, Journal of Korean Geo-Environmentral Society, Vol. 13, No. 8, pp. 5-13 (in Korean).
5 Krizek, R. J. and Sharp Kevan (2000), Advance in grouting and ground modification, Geotechnical Special Publication, ASCE, pp. 155-172.
6 Iler Ralph K. (1979), The chemistry of silica, John Wiley & Sons, Inc., N. Y., pp. 172-311.