Location

St. Louis, Missouri

Session Start Date

6-1-1993

Abstract

Presented in this paper is the summary of two case histories using alkali liquid method to reinforce collapsible Loess ground. One is the ground treatment of administration building which was not in a position of normal service because of the unequal settlement of the ground caused by collapsibility; the other is the ground improvement of the office building of a hospital before construction. The test to examine reinforcing effects is held one month after ground stabilization. It is learned from the test results that the soil compressibility characteristics within the treated aera has been changed from high grade to medium grade or tow grade, and the collapsibility of loess within the treated area has been eliminated. The method of alkali liquid to improve ground has many advantages, namely, simple in construction, with obvious effects, and no vibration or contamination to be caused.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conference on Case Histories in Geotechnical Engineering

Meeting Name

Third Conference

Publisher

University of Missouri--Rolla

Publication Date

6-1-1993

Document Version

Final Version

Rights

© 1993 University of Missouri--Rolla, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Jun 1st, 12:00 AM

Two Case Histories of Alkali Liquid Method to Reinforce Collapsible Loess Deposit

St. Louis, Missouri

Presented in this paper is the summary of two case histories using alkali liquid method to reinforce collapsible Loess ground. One is the ground treatment of administration building which was not in a position of normal service because of the unequal settlement of the ground caused by collapsibility; the other is the ground improvement of the office building of a hospital before construction. The test to examine reinforcing effects is held one month after ground stabilization. It is learned from the test results that the soil compressibility characteristics within the treated aera has been changed from high grade to medium grade or tow grade, and the collapsibility of loess within the treated area has been eliminated. The method of alkali liquid to improve ground has many advantages, namely, simple in construction, with obvious effects, and no vibration or contamination to be caused.