SE8204201L - STABILIZING CLAY SOIL - Google Patents

STABILIZING CLAY SOIL

Info

Publication number
SE8204201L
SE8204201L SE8204201A SE8204201A SE8204201L SE 8204201 L SE8204201 L SE 8204201L SE 8204201 A SE8204201 A SE 8204201A SE 8204201 A SE8204201 A SE 8204201A SE 8204201 L SE8204201 L SE 8204201L
Authority
SE
Sweden
Prior art keywords
clay
soln
soil
pillars
esp
Prior art date
Application number
SE8204201A
Other languages
Swedish (sv)
Other versions
SE8204201D0 (en
SE452016B (en
Inventor
M G Reed
T Loken
O Bryhn
Original Assignee
Chevron Res
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/281,799 external-priority patent/US4372786A/en
Priority claimed from US06/281,751 external-priority patent/US4380408A/en
Priority claimed from US06/281,752 external-priority patent/US4360599A/en
Priority claimed from US06/281,750 external-priority patent/US4377419A/en
Application filed by Chevron Res filed Critical Chevron Res
Publication of SE8204201D0 publication Critical patent/SE8204201D0/en
Publication of SE8204201L publication Critical patent/SE8204201L/en
Publication of SE452016B publication Critical patent/SE452016B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
    • C09K17/08—Aluminium compounds, e.g. aluminium hydroxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

Quick clay and salt clay soil are stabilised by admixing the clay soil with a soln. contg. hydroxy-Al and K or NH4 chloride, nitrate or sulphate, (pref. KCl) having a concn. at least 4M. The clay deposit is pref. stabilised by forming a number of pillars extending into the deposit by (a) selecting the size of pillars to be formed; (b) determining the wet wt. of the clay in the pillars; and (c) admixing sufficient soln. as above with the clay to form the pillars. Pref., the hydroxy-Al is at least 6M, esp. 6-10M, and has the general formula Al(OH)nX(3-n); where n= at least 2.0, esp. at least 2.5 and X= Cl, Br, I, NO3, SO4 or acetate. At least 5 ml soln. per 100 g wet clay soil wet wt. is used, esp. with the soln. admixed with the soil in situ in the deposit. The soln. mixt. provides effective stabilisation of soil for supporting roads or buildings, with hydroxy-Al causing hardening of the disturbed clay, e.g. shear strength 65kPa after 7 days, and added salt stabilising the adjacent undisturbed clay.
SE8204201A 1981-07-09 1982-07-07 Stabilising quick clay or salt clay soil SE452016B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/281,799 US4372786A (en) 1981-07-09 1981-07-09 Stabilizing clay soil with chemical solutions
US06/281,751 US4380408A (en) 1981-07-09 1981-07-09 Stabilizing clay soil with dry hydroxy-aluminum
US06/281,752 US4360599A (en) 1981-07-09 1981-07-09 Stabilizing clay soil with dry chemical mixtures
US06/281,750 US4377419A (en) 1981-07-09 1981-07-09 Stabilizing clay soil with hydroxy-aluminum solution

Publications (3)

Publication Number Publication Date
SE8204201D0 SE8204201D0 (en) 1982-07-07
SE8204201L true SE8204201L (en) 1983-01-10
SE452016B SE452016B (en) 1987-11-09

Family

ID=27501305

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8204201A SE452016B (en) 1981-07-09 1982-07-07 Stabilising quick clay or salt clay soil

Country Status (3)

Country Link
FI (1) FI72995C (en)
NZ (1) NZ201105A (en)
SE (1) SE452016B (en)

Also Published As

Publication number Publication date
FI72995B (en) 1987-04-30
SE8204201D0 (en) 1982-07-07
NZ201105A (en) 1985-12-13
FI72995C (en) 1987-08-10
FI822412L (en) 1983-01-10
FI822412A0 (en) 1982-07-07
SE452016B (en) 1987-11-09

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