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Title: Self hardening suspension for foundation engineering purposes



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Claims: We claim:

1. A self-hardening suspension for foundation engineering consisting essentially of by volume (a) 40 to 80% water, (b) a powder mass consisting essentially of from 10 to 40% cement, 2 to 18% bentonite, 1 to 15% hydraulic lime, 0 to 15% ashes and 0 to 40% ground slag and filling materials, and wherein the ratio by weight between water and powder mass is in the range of 0.5:1 to 6.5:1.

2. A self-hardening suspension of claim 1 which includes at least one plasticizer.

3. A self-hardening suspension according to claim 2 which comprises about 68% water, about 18.2% cement, about 5.7% bentonite, about 2% hydraulic lime, about 2% ashes, about 2% slag and about 1.2% liquid plasticizer.

4. A self-hardening suspension according to claim 2 which comprises about 60.9% water, about 26.2% cement, about 6% hydraulic lime, about 5.3% bentonite and about 1.6% liquid plasticizer.

5. A self-hardening suspension of claim 1 which includes at least one setting regulator.

6. A self-hardening suspension of claim 1 which includes at least one stabilizer for preventing or retarding sedimentation of relatively heavy grains or large particles and increasing the structural strength of the suspension.

7. A self-hardening suspension of claim 1 which includes at least one plasticizer and at least one setting regulator.

8. A self-hardening suspension of claim 1 which includes at least one plasticizer and at least one stabilizer for preventing or retarding sedimentation of relatively heavy grains or large particles and increasing the structural strength of the suspension.

9. A self-hardening suspension of claim 1 which includes at least one setting regulator and at least one stabilizer for preventing or retarding sedimentation of relatively heavy grains or large particles and increasing the structural strength of the suspension.

10. A self-hardening suspension of claim 1 which includes at least one plasticizer, at least one setting regulator and at least one stabilizer for preventing or retarding sedimentation of relatively heavy grains or large particles and increasing the structural strength of the suspension.

Other info:


Inventors: Jancek, Viliam (Bratislava, CS)
Gresa, Jan (Bratislava, CS)

Application Number: 738106
Filing Date: 1976-11-02
Publication_date: 1978-06-20
Assignee: Vyskumny ustav inzenierskych stavieb (Bratislava, CS)
Primary Class(es): 106/706 106/714, 106/718, 106/790
Other Classes:
US Patent Ref:
1627952May, 1927Brookby106/97.
2446990Aug, 1948Schuetz106/97.
3522068Jul, 1970Bastian et al.106/97.

Other Refs:
Primary Examiner: Garvin, Patrick P.
Assistant Examiner: Wright, William G.
Attorney: Burgess, Ryan and Wayne