Skip to main content
Erschienen in: Bulletin of Engineering Geology and the Environment 7/2019

30.11.2018 | Original Paper

Structural characteristics and its influencing factors of typical loess

verfasst von: Huie Chen, Yaling Jiang, Yue Gao, Xiaoqing Yuan

Erschienen in: Bulletin of Engineering Geology and the Environment | Ausgabe 7/2019

Einloggen

Aktivieren Sie unsere intelligente Suche um passende Fachinhalte oder Patente zu finden.

search-config
loading …

Abstract

The aim of this study was to analyze the influences of water content, calcium carbonate (CaCO3) content, and dry density on the structural characteristics of typical loess, using comprehensive structure potential (CSP) as the structural parameter. Oedometer testing was conducted on undisturbed, saturated, and disturbed loess samples under various conditions of water content, CaCO3 content, and dry density to obtain the deformation data. Based on the collected data, we calculated the CSP and analyzed the structural properties of the samples. The weight of each influencing factor was quantified using a variation coefficient method. To analyze the evolution mechanism of soil structural properties, we determined the microstructure of the samples by scanning electron microscopy studies and mercury intrusion porosimetry. The results showed that the CSP increased with decreasing water content, increasing CaCO3 content, and decreasing dry density. Water content had the greatest effect on the CSP, and CaCO3 content had the least effect. There were two kinds of changes in the structural properties of samples under different conditions: strengthening and weakening. Large pores exerted a significant influence on soil structural properties.

Sie haben noch keine Lizenz? Dann Informieren Sie sich jetzt über unsere Produkte:

Springer Professional "Technik"

Online-Abonnement

Mit Springer Professional "Technik" erhalten Sie Zugriff auf:

  • über 67.000 Bücher
  • über 390 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Maschinenbau + Werkstoffe




 

Jetzt Wissensvorsprung sichern!

Springer Professional "Wirtschaft+Technik"

Online-Abonnement

Mit Springer Professional "Wirtschaft+Technik" erhalten Sie Zugriff auf:

  • über 102.000 Bücher
  • über 537 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Finance + Banking
  • Management + Führung
  • Marketing + Vertrieb
  • Maschinenbau + Werkstoffe
  • Versicherung + Risiko

Jetzt Wissensvorsprung sichern!

Literatur
Zurück zum Zitat Cheng DW, Luo YS, Chen Q, Guo H (2011) Loess constitutive loss. J Northwest Agric For Univ (Nat Sci Ed) 39:224–234 Cheng DW, Luo YS, Chen Q, Guo H (2011) Loess constitutive loss. J Northwest Agric For Univ (Nat Sci Ed) 39:224–234
Zurück zum Zitat Liu MD, Carter JP (2003) A structured cam clay model research. Report No. R814. The University of Sydney, Sidney Liu MD, Carter JP (2003) A structured cam clay model research. Report No. R814. The University of Sydney, Sidney
Zurück zum Zitat Luo YS, Xie DY, Li P (2005) Main influence factors on structural property changes of unsaturated loess. Bull Soil Water Conserv 25:36–39. Luo YS, Xie DY, Li P (2005) Main influence factors on structural property changes of unsaturated loess. Bull Soil Water Conserv 25:36–39.
Zurück zum Zitat Mitchell JK, Soga K (2005) Fundamentals of soil behavior. Wiley, Hoboken Mitchell JK, Soga K (2005) Fundamentals of soil behavior. Wiley, Hoboken
Zurück zum Zitat Osipov BH (1985) The natural features on strength and deformation of clayey soil and rocks. Press House of Geology, Beijing Osipov BH (1985) The natural features on strength and deformation of clayey soil and rocks. Press House of Geology, Beijing
Zurück zum Zitat Shao SJ, Zhou FF, Long JY (2004) Structural properties of loess and its quantitative parameter. Chin J Geotech Eng 26:532–536 Shao SJ, Zhou FF, Long JY (2004) Structural properties of loess and its quantitative parameter. Chin J Geotech Eng 26:532–536
Zurück zum Zitat Tan XH, Huang XF, Yao ZH, Xin JP, Wu RZ (2012) Experimental study on structural properties of unsaturated loess based on soil confined compression. Geotech Invest Surv 26:16–21 Tan XH, Huang XF, Yao ZH, Xin JP, Wu RZ (2012) Experimental study on structural properties of unsaturated loess based on soil confined compression. Geotech Invest Surv 26:16–21
Zurück zum Zitat Tao H, Shao SJ, Li XL, Ma XT (2012) Experimental study of the characteristic parameters and structural behavior of loess. Chin Civil Eng J 45:148–154 Tao H, Shao SJ, Li XL, Ma XT (2012) Experimental study of the characteristic parameters and structural behavior of loess. Chin Civil Eng J 45:148–154
Zurück zum Zitat Terzaghi K, Peck RB (1996) Soil mechanics in engineering practice. Wiley, New York Terzaghi K, Peck RB (1996) Soil mechanics in engineering practice. Wiley, New York
Zurück zum Zitat Wang Q, Chen JP, Wang M (1991) A preliminary study on collapsibility of loess-like soil in Changchun. Jilin Geol 3:51–56 Wang Q, Chen JP, Wang M (1991) A preliminary study on collapsibility of loess-like soil in Changchun. Jilin Geol 3:51–56
Zurück zum Zitat Xie DY, Qi JL (1999) Soil structure characteristics and new approach in research on its quantitative parameter. Chin J Geotech Eng 21:651–656 Xie DY, Qi JL (1999) Soil structure characteristics and new approach in research on its quantitative parameter. Chin J Geotech Eng 21:651–656
Zurück zum Zitat Zhang MH, Xie YL, Liu BJ (2007) Analysis of compression deformation characteristics of loess during moistening and demoistening process. J Hunan Univ Sci Tech 22:50–55 Zhang MH, Xie YL, Liu BJ (2007) Analysis of compression deformation characteristics of loess during moistening and demoistening process. J Hunan Univ Sci Tech 22:50–55
Zurück zum Zitat Zhang XG, Wu H, Fang C, Yi NP (2005) Experimental research on Ca2+ and Mg2+ contributions to structural strength in soil body hydrochemistry environment. Earth Environ 33:58–64 Zhang XG, Wu H, Fang C, Yi NP (2005) Experimental research on Ca2+ and Mg2+ contributions to structural strength in soil body hydrochemistry environment. Earth Environ 33:58–64
Metadaten
Titel
Structural characteristics and its influencing factors of typical loess
verfasst von
Huie Chen
Yaling Jiang
Yue Gao
Xiaoqing Yuan
Publikationsdatum
30.11.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Bulletin of Engineering Geology and the Environment / Ausgabe 7/2019
Print ISSN: 1435-9529
Elektronische ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-018-1431-2

Weitere Artikel der Ausgabe 7/2019

Bulletin of Engineering Geology and the Environment 7/2019 Zur Ausgabe