US1952162A - Grouting of ground, soil, or other measures - Google Patents
Grouting of ground, soil, or other measures Download PDFInfo
- Publication number
- US1952162A US1952162A US487629A US48762930A US1952162A US 1952162 A US1952162 A US 1952162A US 487629 A US487629 A US 487629A US 48762930 A US48762930 A US 48762930A US 1952162 A US1952162 A US 1952162A
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- US
- United States
- Prior art keywords
- ground
- grouting
- measures
- slurry
- soil
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Definitions
- This invention relates to the grouting of ground, soil, or other measures by introducing therein a slurry of cement, lime or other material suitable for grouting operations.
- va cement, lime or mortar slurry into the ground and especially into loose measures such as sand, soil, gravel, river ballast made ground, and the like, Whether such measures have been waterlogged or dry, have not resulted in a sunlciently uniform distribution of the slurry in all directions as to ensure that every solid particle of the mass to be treated should be entirely surrounded by the grouting material, and in consequence the ground is not ultimately transformed into a homogeneous mass.
- the slurry introduced into the ground has been found to concentrate itself in certain places or along certain lines of least resistance to its penetration, and the result of the treatment has so far been to obtain a.
- the primary object of the invention is to obtain an intimate mixture of the slurry with the ground, soil or measures to be treated whether this may be for purposes of consolidation, watertghtness or otherwise.
- compressed air or other suitable gas is introduced continue ously or intermittently and at a suitable pressure into the ni'easures to be grouted, it may be at the same time as the slurry, or prior to or after the introduction of the slurry, but is not intended to elect the introduction of the slurry which is introduced by any of the well known means such as by gravity, ram pumps or rotary, centrifugal or other pumps.
- the compressed air or other suitable gas may be introduced into the ground either through the same tube or hole as the slurry or through other tubes or holes provided or formed for that purpose.
- B is a tube which is forced'into the ground by any suitable means, for example, a pneumatic hammer of any well known construction.
- the upper end of the tube B communicates with a pipe G through which air or gas under pressure mayenter the. tube B.
- the valve E controls the admission of air or gas to the pipe B.
- A is a tube, similar to the tube B, which is likewise forced into the ground in any well known manner, and at its upper end communicates With a pipe F through which grouting material may be introduced into the tube A.
- a valve D controls the admission of the grouting material from the pipe F to the tube A.
- Each of the tubes A and B are open at their lower ends and have perforations in order to permit the grouting material and air or gas forced through the tubes A and B to spread into the ground.
- air or gas is preferably admitted under pressure at the tube B prior to the admission of the grouting mixture through the tube A, and has the effect of giving a lead to such grouting mixture by driving out the water in that portion of the ground surrounding and immediately below the bore hole, which portion of the ground is technically called the measure, and forcing a passage for the grouting mixture subsequently introduced.
- the valve D is opened and the grouting mixture forced through the tube B into the measure.
- the quantity ol compressed air or other suitable gas introduced vary according to the particular conditions of each oase, such as for example the depth of treatment, whether the measures are waterlogged or not, head and quantity of water (if any) contained in the ground, nature of the measures, and the method adopted for introducing the slurry into the ground.
- Its pressure should be at least equal to the pressure at which the slurry itself is introduced which may be between atmospheric pressure and several thousand pounds per square inch according to conditions, although it is seldom necessary that it should exceed four hundred pounds per square inch.
- the speed at which the slurry is introduced may be from two gallons per minute to twenty gallons per minute.
- the method of grouting which comprises rendering the measure to be grouted more permeable to the groutng by introducing a gaseous medium into the measure under pressure, land forcing grouting into the measure at a locus diierent from that in which the gaseous medium is introduced.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Description
Mam 27, 1934,
A, G E ET AL 1,952,162
GROUTING OF GROUND, SOIL, OR OTHER MEASURES Filed Oct. 9, 1930 Patented Mar. 27, 1934 GROUTING 0F GROUND, SOIL, OR'OTHER MEASURES Anthony Gee and Abram Rupert Neelands,
Doncaster, -England said' Gee assigner to The Francois Cementation Company Limited, London, England, a. British company Application October 9, 1930, Serial No. 487,629
` In Great Britain August 28, 1930 1 Claim.
This invention relates to the grouting of ground, soil, or other measures by introducing therein a slurry of cement, lime or other material suitable for grouting operations.
The methods heretofore adopted for introducing va cement, lime or mortar slurry into the ground and especially into loose measures such as sand, soil, gravel, river ballast made ground, and the like, Whether such measures have been waterlogged or dry, have not resulted in a sunlciently uniform distribution of the slurry in all directions as to ensure that every solid particle of the mass to be treated should be entirely surrounded by the grouting material, and in consequence the ground is not ultimately transformed into a homogeneous mass. lIn those methods the slurry introduced into the ground has been found to concentrate itself in certain places or along certain lines of least resistance to its penetration, and the result of the treatment has so far been to obtain a. non-homogeneous mass with the cement, lime or mortar content varying from place to place and consequently of irregular strength or resistance or having different degrees of watertightness at its different points. The primary object of the invention is to obtain an intimate mixture of the slurry with the ground, soil or measures to be treated whether this may be for purposes of consolidation, watertghtness or otherwise.
According to the present invention compressed air or other suitable gas is introduced continue ously or intermittently and at a suitable pressure into the ni'easures to be grouted, it may be at the same time as the slurry, or prior to or after the introduction of the slurry, but is not intended to elect the introduction of the slurry which is introduced by any of the well known means such as by gravity, ram pumps or rotary, centrifugal or other pumps. The compressed air or other suitable gas may be introduced into the ground either through the same tube or hole as the slurry or through other tubes or holes provided or formed for that purpose.
An apparatus for carrying out the invention is shown in the accompanying drawing, in which B is a tube which is forced'into the ground by any suitable means, for example, a pneumatic hammer of any well known construction. The upper end of the tube B communicates with a pipe G through which air or gas under pressure mayenter the. tube B. The valve E controls the admission of air or gas to the pipe B.
A is a tube, similar to the tube B, which is likewise forced into the ground in any well known manner, and at its upper end communicates With a pipe F through which grouting material may be introduced into the tube A. A valve D controls the admission of the grouting material from the pipe F to the tube A. Each of the tubes A and B are open at their lower ends and have perforations in order to permit the grouting material and air or gas forced through the tubes A and B to spread into the ground.
In operation air or gas is preferably admitted under pressure at the tube B prior to the admission of the grouting mixture through the tube A, and has the effect of giving a lead to such grouting mixture by driving out the water in that portion of the ground surrounding and immediately below the bore hole, which portion of the ground is technically called the measure, and forcing a passage for the grouting mixture subsequently introduced. After the measure has been suitably permeated by the air or gas, the valve D is opened and the grouting mixture forced through the tube B into the measure.
The quantity ol compressed air or other suitable gas introduced, the pressure and velocity at which it is introduced and the time occupied in its introduction, vary according to the particular conditions of each oase, such as for example the depth of treatment, whether the measures are waterlogged or not, head and quantity of water (if any) contained in the ground, nature of the measures, and the method adopted for introducing the slurry into the ground. Its pressure, however, should be at least equal to the pressure at which the slurry itself is introduced which may be between atmospheric pressure and several thousand pounds per square inch according to conditions, although it is seldom necessary that it should exceed four hundred pounds per square inch. The speed at which the slurry is introduced may be from two gallons per minute to twenty gallons per minute. In addition to variations necessary due to the particular conditions of dilerent cases it may be necessary to progressively vary the pressure and speed of introduction of `the slurry and the compressed gas in What we claim and desire to secure by Letters Patent of the United States isz- The method of grouting which comprises rendering the measure to be grouted more permeable to the groutng by introducing a gaseous medium into the measure under pressure, land forcing grouting into the measure at a locus diierent from that in which the gaseous medium is introduced.
ANTHONY GEE. ABRAM RUPERT NEELANDS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1952162X | 1930-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1952162A true US1952162A (en) | 1934-03-27 |
Family
ID=10894447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US487629A Expired - Lifetime US1952162A (en) | 1930-08-28 | 1930-10-09 | Grouting of ground, soil, or other measures |
Country Status (1)
Country | Link |
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US (1) | US1952162A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858676A (en) * | 1955-06-13 | 1958-11-04 | Sigmund L Ross | Apparatus and method for producing foundations |
US3274785A (en) * | 1963-06-19 | 1966-09-27 | Chicago Bridge & Iron Co | Apparatus for preventing ice and frost formation under low temperature tanks |
US3293864A (en) * | 1964-01-08 | 1966-12-27 | Halliburton Co | Method and apparatus for impregnating masses of material |
US3478656A (en) * | 1967-07-24 | 1969-11-18 | Hyster Co | Method and apparatus for compacting soil |
US3707848A (en) * | 1971-04-07 | 1973-01-02 | Bolt Associates Inc | Process and system for increasing load-bearing capacity of soil |
US4606675A (en) * | 1984-02-02 | 1986-08-19 | Kabushiki Kaisha Kobe Seiko Sho | Method of and apparatus for soil stabilization |
WO2003031731A1 (en) * | 2001-10-02 | 2003-04-17 | Tracto-Technik Gmbh | Method for producing a contiguous injection body by subsoil injections |
US11525230B2 (en) * | 2019-03-19 | 2022-12-13 | Eaglelift, Inc. | System and method for mitigation of liquefaction |
-
1930
- 1930-10-09 US US487629A patent/US1952162A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858676A (en) * | 1955-06-13 | 1958-11-04 | Sigmund L Ross | Apparatus and method for producing foundations |
US3274785A (en) * | 1963-06-19 | 1966-09-27 | Chicago Bridge & Iron Co | Apparatus for preventing ice and frost formation under low temperature tanks |
US3293864A (en) * | 1964-01-08 | 1966-12-27 | Halliburton Co | Method and apparatus for impregnating masses of material |
US3478656A (en) * | 1967-07-24 | 1969-11-18 | Hyster Co | Method and apparatus for compacting soil |
US3707848A (en) * | 1971-04-07 | 1973-01-02 | Bolt Associates Inc | Process and system for increasing load-bearing capacity of soil |
US4606675A (en) * | 1984-02-02 | 1986-08-19 | Kabushiki Kaisha Kobe Seiko Sho | Method of and apparatus for soil stabilization |
WO2003031731A1 (en) * | 2001-10-02 | 2003-04-17 | Tracto-Technik Gmbh | Method for producing a contiguous injection body by subsoil injections |
US11525230B2 (en) * | 2019-03-19 | 2022-12-13 | Eaglelift, Inc. | System and method for mitigation of liquefaction |
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