US3800544A - Method for forming an underground wall comprising a plurality of columns in the earth and soil formation - Google Patents

Method for forming an underground wall comprising a plurality of columns in the earth and soil formation Download PDF

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Publication number
US3800544A
US3800544A US00201812A US3800544DA US3800544A US 3800544 A US3800544 A US 3800544A US 00201812 A US00201812 A US 00201812A US 3800544D A US3800544D A US 3800544DA US 3800544 A US3800544 A US 3800544A
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Prior art keywords
earth
cavity
shaft
formation
soil
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US00201812A
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English (en)
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W Nakanishi
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GUATTERI GIORGIO
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W Nakanishi
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Assigned to GUATTERI, GIORGIO reassignment GUATTERI, GIORGIO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: NAKANISHI, WATARU
Assigned to SOILL JET CO., INC. reassignment SOILL JET CO., INC. LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: WATARU NAKANISHI
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/26—Compacting soil locally before forming foundations; Construction of foundation structures by forcing binding substances into gravel fillings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ

Definitions

  • ABSTRACT A method for forming an underground wall comprising a plurality of columns in the earth and soil formation in which a vertically and rotationally movable hollow shaft having integral digging means and nozzle means is advanced into the earth and soil formation to a predetermined depth as it is rotated so as to form a cavity in the formation having a predetermined depthand upon the formation of the cavity, the shaft is re tracted from the cavity as it is rotated and simultaneously, solidification and densification liquid agent is radially pumped through the nozzle means-into the earth and soil formation so as to mix the liquid agent with the earth and soil to form a column along the shaft.
  • This invention relates to the solidification, densification and strengthening of the soil and earth formation and more particularly, to a method of forming an underground wall comprising a plurality of successive columns in the earth and soil formation by forming successive columns in the earth and soil formation by means of forcing a solidification and densification liquid agent in the earth and soil formation whereby in the construction of the foundation of a building and the like structure, an underground passage or a tunnel in the earth and soil formation, ground leakage of water, gushing out of water and/or landslide can be effectively prevented resulting in smooth and safe construction work.
  • Another prior art method of solidification, densification and strengthening of the earth and soilformation is directing to protecting an underground structure such as a bridge girder or foundation.
  • such soft region has been solidified or strengthened by digging the earth andsoil material out of such region to leave a cavity there and then pouring concrete into the cavity using specific side wall forming frames or by. digginga rather large diameter cavity in the soft earth and soil formation region and successively forming columns with an earth solidification liquid agent to provide a solidification underground wall.
  • one object of the present invention is to provide an improved method of the formation of an under-' ground wall comprising a plurality of successive columns.
  • a further objectof the present invention is to provide an automatic method for the formation of an underground wallcomprising a plurality of successive columns without the necessity for separate digging means for forming a cavity in the earth and soil formation in which a hollow digging shaft provided with a plurality of earth solidification liquid agent openings or nozzle means in the peripheral wall is forced into the earth and soil formation at a selected area as it is rotated to a predetermined depth and when the shaft has reached the predetermined depth, the shaft is pulled up as it is rotated and at the same time an earth solidification and and densification liquid agent is pumped through the openings in the shaft into the earth and soil formation to form an earth solidification column and after the completion of the operation in the selected area, the same procedure is repeated in another area of the earth and soil formation adjacent to the first area. The procedure is repeated in successive areas in the earth and soil formation until an underground wall comprising a predetermined number of successive columns is formed.
  • Another object of the present invention is to provide an automatic method of the formation of an underground wall comprising a plurality of successive columns in the earth and soill formation by pumping an earth solidification and densification liquid agent into the earth and soil formation so as to mix the liquid agent with the earth and soil.
  • Another object of the present invention is to provide a method for the formation of an underground wall comprising a plurality of successive columns in the earth and soil formation without the necessity for specific separate digging means so as to form a cavity in the earth and soil formation in which an earth solidification and densification liquid agent is directly pumped to mix the liquid agent with the earth and soil whereby the underground wall can be efficiently and simply formed in a short period of time.
  • a further object of the present invention is to provide a method for the formation of an underground wall comprising a plurality of successive columns which concurrently serves as a ground leakage of water prevention and earth formation solidification means in which a vertically and rotationally movable hollow shaft provided with a plurality of integral earth solidification and densification liquid agent openings or nozzle means in the peripheral wall and integral digging means at the lower end is vertically driven into the earth and soil formation as it is rotated to a predetermined depth and when the shaft has reached the predetermined depth, the shaft is pulled up and at the same time an earth solidification and densification liquid agent is pumped through the shaft openings into the earth and soil formation so as to mix the liquid agent with the earth.
  • the hollow shaft provided with a plurality of integral earth solidification and densification liquid agent openings or nozzle means and integral dig-
  • the digging means are integrally provided at the lower end of the shaft extending in parallel to the axis of the shaft and the openings or nozzle means are provided in the peripheral wall of the shaft at right angles to the axis of the shaft.
  • the fluid or earth and soil liquid solidification and densification agent is pumped by a pneumatic pump disposed on the ground the earth and soil formation underneath which is to be solidified and densified through the nozzle means radially into the earth and soil formation along the shaft as the shaft is pulled up while rotating.
  • an underground strengthening wall which serves as ground leakage of water prevention and earth solidification or densification means can be continuously and simply formed in the earth and soil formation.
  • FIGS. 1 through inclusive are schematic view showing the underground wall formation method of the present invention in various stages in which:
  • FIG. 1 is a schematic view in partial section showing the method at the outset or initial stage
  • FIG. 2 is a schematic view in partial section showing the method at a further discreted stage wherein the lower end of the hollow shaft is positioned at the bottom of a cavity of a predetermined depth in the earth and soil formation;
  • FIG. 3 is a schematic view showing the manner in which an earth and soil solidification or densification liquid agent is pumped through nozzle means provided in the shaft into the earth and soil formation;
  • FIG. 4 is a schematic view in partial section showing the manner in which a column which constitutes of a part of a desired underground wall in the earth and soil formation is formed as the shaft is retracted or pulled upwardly from the cavity while being rotated;
  • FIG. 5 is a schematic view in partial section showing a complete column which extends from the ground to the predetermined depth in the earth and soil formation;
  • FIG. 6 is a schematic perspective view of an assembly of complete underground walls each comprising a plurality of successive columns
  • FIG. 7 is a schematic perspective view showing a modified form of underground wall formed by the present invention in which a transverse opening is provided in an intermediate height of the wall;
  • FIG. 7A is a schematic perspective view showing a further modified form of underground wall formed by the present invention which comprises a plurality of inclined underground walls in two rows with the alternate columns in one row intersecting the alternate columns in the other row.
  • FIG. 8 is a perspective view an application of the underground wall formed by the present invention in which the underground wall is employed as a boundary wall of a water reservoir, dam and the like structure which directly contacts the stored water in the facility;
  • FIG. 9 is a perspective view of a further application of the underground wall formed by the present invention in which the underground wall is constructed at the site of a reservoir.
  • FIG. 10 is a schematic view of a still further application of the underground wall formed by the present invention in which the underground wall is employed as a reinforcing means for the foundation of a building and the like structure.
  • An apparatus for carrying out the method of the present invention is generally shown with reference numeral 2 which is disposed on the ground 1 with the earth and soil formation underneath which is to be solidified and densified and the apparatus generally comprises a hollow shaft 3 having integral cavity digging means at the lower end and integral openings or nozzle means in the peripheral wall through which an earth solidification and densification liquid agent is pumped into the earth and soil formation.
  • the shaft 3 is connected through a pipe 4 to a pneumatic pump to be supplied with the earth solidification and densification liquid agent under pressure.
  • the apparatus further comprises a drive mechanism 5 which operates in such a manner that the drilling means of the shaft can drill a cavity in the earth and soil formation as the shaft advances into the earth and soil formation to a predetermined depth as the shaft is rotated and when the cavity has been completed, the shaft is pulled upwardly as it is rotated and at the same time, the pump is actuated to pump the earth solidification and densification agent through the nozzle means radially into the earth and soil formation.
  • a drive mechanism 5 which operates in such a manner that the drilling means of the shaft can drill a cavity in the earth and soil formation as the shaft advances into the earth and soil formation to a predetermined depth as the shaft is rotated and when the cavity has been completed, the shaft is pulled upwardly as it is rotated and at the same time, the pump is actuated to pump the earth solidification and densification agent through the nozzle means radially into the earth and soil formation.
  • the cavity forming and liquid agent pumping operations are performed in such a timed relationship that after a cavity 6 has been drilled to a predetermined depth in the earth and soil formation, the drilling operation is stopped and at the same time the earth and soil solidification and densification liquid agent is pumped from the pump through the pipe 4 into the shaft 3 under a high pressure of up to 350 atmospheres of pressure.
  • the earth and soil solidification and densification liquid agent suitably employed in the method of the invention may be water glass principally comprising sodium silicate, polymer principally comprising acrylamide or other liquid pulp waste.
  • the drive mechanism 5 is actuated to drive the shaft 3.
  • the hollow shaft 3 begins to vertically advance into the earth and soil formation while rotating to dig a cavity 6 with its digging means in the formation as shown in FIG. 1.
  • the tip or lower end of shaft 3 has reached a predetermined depth or has completely formed the cavity 6 as shown in FIG. 2, the advancement movement of the shaft 3 is stopped and the shaft is gradually retracted or pulled upwardly out of the cavity 6 while rotating.
  • the pneumatic pump is actuated to pump the earth solidification and densification liquid agent the pipe 4 into the shaft 3 under high pressure.
  • FIG. 5 of the accompanying drawings shows a complete column has been completed, the apparatus 2 is moved to another area on the ground 1 adjacent to the previous area on the ground in the earth and soil formation underneath which the column has been already formed.
  • the new ground area is so selected that a portion of the circle described by the column 7 is destroyed by the liquid agent pumped through the shaft nozzlemeans in the succeeding column forming operation in the earth and soil formation underneath the new ground area so that the adjacent columns can be connected to each other in the opposite peripheral sections.
  • the above-mentioned procedure is repeated to form a second column in the vicinity of the first column. The same procedure is repeated until a desired underground wall comprising a predetermined number of columns is obtained.
  • an underground wall comprising a plurality of columns can be effectively and simply formed without the necessity separate digging means which were otherwise necessary in the prior art underground wall forming methods.
  • FIG'. 6 shows an assembly of plural underground walls 11 each of which comprises a plurality of columns 7 formed by the'method of theinvention described hereinabove.
  • the wall assembly can be formed by successively moving the apparatus 2 from one place to another and repeating the above procedure each'time.
  • FIG. 7 shows two alternate applications of the underground wall formed by the method of the invention in one of which an assembly of plural underground walls 11 formed in accordance by the method referred to above is provided with a transverse through opening 14 in an intermediate height for receiving a piping 15.
  • a wall assembly comprising a plurality of inclined underground walls 1 in two rows with the alternate columns in one row intersecting the alternate columns in the other row at an area adjacent to and below the top end so as to provide a transverse opening between the two opposite rows for receiving a piping or conduit 16.
  • FIG. 8 shows another application of the underground wall formed by the method of the invention in which an assembly of plural underground walls 11 each comprising a plurality of columns 7 formed as described hereinabove is employed in a hilly or mountainous district 17 so that the wall assembly can be employed as the earth and soil formation protection or collapse prevention means.
  • a wall assembly may be also 6 employed as boundary wall for a water reservoir or dam.
  • FIG. 9 shows a further application of the .underground wall of the invention in which the underground wall is formed in conformity with the contour of the bank 19 of a reservoir 18 so that the underground wall can be employed as the surrounding wall of the reser- VOlI.
  • FIG. 10 shows a still further application of the underground wall formed by the method of the invention in which the underground wall is employed as reinforcing means for the foundation of a building and the like structure.
  • a plurality of underground walls 11 are juxtaposed in spaced relationship in the earth and soil formation beneath the foundation of a building 20 to be constructed such as a warehouse and the like structure to solidifying the earth and soil formation under the building so that the building can be built in stabilization.
  • the rotational shaft 3 is provided with drill bits 21 at the lower end of the shaft and a plurality of nozzles 22, 23, 24 and 25 in the periphery of the shaft.
  • Grout or earth and soil solidification agent is pumped through the pipe 4 into the shaft 3 and then forced through the nozzles 22 to 25 radially into the earth and soil formation.
  • the boring machine including theshaft and associated parts is installed in the site when the underground wall is to be formed.
  • An earth and soil solidification agent is prepared prior to the operation of the boring machine.
  • the boring machine is operated to drive the shaft into the earth and soil formation while allowing the shaft to rotate about its axis to a predetermined depth in the formation to form a cavity therein. At this point the downward movement of the shaft is stopped and the shaft is then withdrawn from the cavity as the shaft rotates.
  • the pumping of the earth and soil solidification agent is initiated so as to force the agent to flow through the nozzles radially into the cavity to enlarge the diameter of the cavity continuously throughout the entire length of the cavity and to solidify the formation around the cavity.
  • the shaft returns to its initial position or retreat position, a column is formed.
  • FIG. l shows a partially formed cavity.
  • FIG. 2 shows a complete cavity having a predetermined depth.
  • FIG. 3 shows the start of the formation of a column in the cavity with the pumping of the earth and soil solidification agent radially into the cavity.
  • FIG. 4 shows a further progression of the column formation operation, and
  • FIG. 5 shows shows a completed column formed by the method of the present invention.
  • FIG. 1 shows a stage after the start of the operation on the boring machine 2 which is installed at the site where a continuous underground wall is to be formed and comprises a motor 26 which is supplied with power from a power source (not shown) through a power supply (not shown) and mounted on a support frame 27 together with other mechanisms of the machine.
  • the motor has an output shaft 28 which is connected to a speed change gear 29 which in turn transmits a drive force to differential 30 which in turn transmits power to the drive mechanism whose drive shaft drives the hollow shaft 3.
  • the end of the drive shaft of the drive mechanism opposite to the differential has a mechanism which drives the hollow shaft 3 downwardly and upwardly.
  • Such shaft driving mechanism is not shown in the accompanying drawings because the mechanism does not constitute any part of the invention and is conventional.
  • the shaft driving mechanism is not shown in the accompanying drawings because the mechanism does not constitute any part of the invention and is conventional.
  • the shaft driving mechanism in order to drill a cavity in the earth and soil formation by the employment of the shaft 3, the shaft is driven into the formation to a predetermined depth as the shaft rotates.
  • the drill bits at the lower end of the shaft also rotate to dig the earth and soil out.
  • the drive mechanism 5 is reversed in operation to withdraw the shaft from the cavity. Before the shaft is withdrawn, the movement of' the shaft is temporarily stopped.
  • the earth and soil solidification agent is pumped into the shaft and out through the nozzles.
  • the agent is pumped under high pressure so as to enlarge the dimater of the cavity continuously throughout the length of the column formed. This means that the agent is pumped under pressure throughout-the length of the cavity. More particularly, as the shaft 3 is gradually withdrawn from the cavity while the grout or earth and soil solidification agent is forced out through the nozzles, a column having a diameter greater than the diameter of the cavity is continuously formed. When the procedure is repeated at successive adjacent areas of the first formed column, an underground wall comprising a plurality of continuous successive columns can be formed.
  • an underground wall is simply formed by advancing the hollow shaft which concurrently functions as cavity drilling means and nozzle means into the earth and soil formation as the shaft is rotated to form a cavity having a predetermined depth and upon the completion of the cavity drilling operation, the shaft is retracted or pulled up out of the cavity as the shaft is rotated and simultaneously, the earth and soil solidification liquid agent is pumped through the openings or nozzles in the retracting and rotating shaft radially into the earth and soil formation to form a column around the shaft from the bottom to the top of the cavity. After one column has been completed, the apparatus including the shaft is moved to another place and the same procedure is repeated. In this way, a plurality of successive columns which constitutes a complete underground wall can be formed in a quite simple and highly efficient manner in a short period of time.
  • the method of the present invention does not require conventional separate or manual digging means and steel sheet piles and therefore, it will be understood that the present invention accelerates the underground formation efficiency and reduces manual efforts necessary for such work.
  • a method for the formation of an underground wall comprising a plurality of successive columns in the earth and soil formation comprising the steps of driving a vertically and rotationally movable hollow shaft having drill means at the lower end and nozzle means in the periphery wall thereof by means of a boring machine into said earth and soil formation in a first area as the shaft rotates to a predetermined depth in the formation to form a cavity therein, after said cavity of said predetermined depth has been formed, withdrawing said shaft from said cavity and simultaneously pumping an earth and soil solidification and densification agent under high pressure through said nozzle means radially from the shaft into said cavity continuously throughout the length of said cavity to destroy the formation area surrounding the cavity so as to form an earth and soil formation solidification column which has a diameter continuously larger than the cavity throughout the length of said cavity; moving said movable hollow shaft to successive areas adjacent to said previously formed column; and at each adjacent area driving said verti cally and rotationally movable hollow shaft having said drill means at the lower end and said nozzle means in the periphery

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Soil Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
US00201812A 1970-11-30 1971-11-24 Method for forming an underground wall comprising a plurality of columns in the earth and soil formation Expired - Lifetime US3800544A (en)

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JP45104831A JPS5014803B1 (de) 1970-11-30 1970-11-30

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JP (1) JPS5014803B1 (de)
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FR (1) FR2116171A5 (de)

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US3969902A (en) * 1973-07-23 1976-07-20 Yoshino Ichise Contruction method for continuous row of piles and earth drill for use therefor
US4072017A (en) * 1974-10-11 1978-02-07 Hisashi Shiraki Treating soil
US4089183A (en) * 1976-09-24 1978-05-16 Kabushiki Kaisha Takenaka Komuten Consolidation construction for improving soft, unstable foundation
US4120163A (en) * 1975-09-04 1978-10-17 Kitagawa Iron Works Co., Ltd. Soil treatment
US4326818A (en) * 1978-10-16 1982-04-27 Willis Dudley L Techniques for the storage of water
US4402630A (en) * 1982-03-08 1983-09-06 Takenaka Komuten Co., Ltd. Machine for and method of hardening soft ground
US4867240A (en) * 1987-01-23 1989-09-19 Soil Jet Co., Inc. Method and apparatus for molding underground diaphragms
US4900196A (en) * 1987-11-20 1990-02-13 Iit Research Institute Confinement in porous material by driving out water and substituting sealant
US4958962A (en) * 1989-06-28 1990-09-25 Halliburton Company Methods of modifying the structural integrity of subterranean earth situs
US5205646A (en) * 1991-12-19 1993-04-27 Kyllonen David M Method for conveyance of cement under water to form concrete
US5294215A (en) * 1992-12-17 1994-03-15 The Millgard Corporation Method for constructing foundations and perimeter walls
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US5396964A (en) * 1992-10-01 1995-03-14 Halliburton Company Apparatus and method for processing soil in a subterranean earth situs
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US5934840A (en) * 1997-10-03 1999-08-10 Geocon Excavation support structure
US6139225A (en) * 1995-12-13 2000-10-31 Kabushiki Kaisha Kobe Seiko Sho Method for building an underground continuous wall
US6302624B1 (en) * 1997-07-14 2001-10-16 Kyokado Engineering Co., Ltd. Method for ejecting ground improving grout into ground
US6840710B2 (en) * 2001-05-15 2005-01-11 Rar Group, Llc Underground alluvial water storage reservoir and method
US20050186030A1 (en) * 2004-02-24 2005-08-25 Ps Systems Inc. Direct recharge injection of underground water reservoirs
US20080073087A1 (en) * 2006-09-26 2008-03-27 Ps Systems Inc. Ventilation of underground porosity storage reservoirs
US20080072968A1 (en) * 2006-09-26 2008-03-27 Ps Systems Inc. Maintaining dynamic water storage in underground porosity reservoirs
US20080226395A1 (en) * 2007-03-14 2008-09-18 Ps Systems Inc. Bank-Sided Porosity Storage Reservoirs
US20090173142A1 (en) * 2007-07-24 2009-07-09 Ps Systems Inc. Controlling gas pressure in porosity storage reservoirs
JP2017014856A (ja) * 2015-07-06 2017-01-19 鹿島建設株式会社 複合地中連続壁の構造および複合地中連続壁の構築方法

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DE3300971A1 (de) * 1983-01-13 1984-07-19 Stump Bohr Gmbh, 8045 Ismaning Verfahren zum herstellen von verfestigten oder verdichteten zonen bzw. loechern im erdreich, sowie vorrichtung zur ausfuehrung des verfahrens
DE3348301C2 (de) * 1983-01-13 1994-11-17 Stump Bohr Gmbh Verfahren zum Herstellen eines Injektionsstranges von der Erdoberfläche aus zum Verfestigen von Zonen des Erdreiches
DE3410830A1 (de) * 1984-03-23 1985-10-03 Stump Bohr Gmbh, 8045 Ismaning Verfahren zum herstellen von bauelementen im baugrund, wie pfaehlen, ankern, schlitzwaenden oder dergleichen, sowie eine vorrichtung zur ausfuehrung dieses verfahrens
DE3400741A1 (de) * 1984-01-11 1985-07-18 Stump Bohr Gmbh, 8045 Ismaning Verfahren und vorrichtung zum herstellen von bauelementen im baugrund, wie pfaehlen, injektionsankern, schlitzwaenden oder dergleichen
DE3407382C2 (de) * 1984-02-29 1994-08-04 Zueblin Ag Verfahren zur Fertigung einer etwa waagrechten Dichtungsschicht und Vorrichtung zur Durchführung des Verfahrens
GB2158486B (en) * 1984-05-09 1987-09-23 Nit Co Ltd A method and apparatus for forming an underground solidification structure
NL191893C (nl) * 1984-12-06 1996-10-04 Verstraeten Funderingstech Bv Werkwijze en inrichting voor het in de bodem vormen van een afdichtende wand.
DE3501128C3 (de) * 1985-01-15 1998-11-12 Keller Grundbau Gmbh Abdichtung für die Ausführung von Untertagebauwerken
US5026216A (en) * 1988-03-31 1991-06-25 Yoshinobu Koiwa Shaft construction method
DE4235378A1 (de) * 1992-10-16 1994-04-21 Bohrlochzementierung Geo Techn Verfahren und Anordnung zur Erosionsinjektion in Erdstoffen
KR940016960A (ko) * 1992-12-10 1994-07-25 김광호 모스 에프이티의 제조방법
RU2472899C1 (ru) * 2011-06-21 2013-01-20 Вячеслав Николаевич Кровяков Способ укрепления оснований фундаментов сооружений
JP6230861B2 (ja) * 2013-09-30 2017-11-15 株式会社不動テトラ 高圧噴射攪拌工法による地盤改良方法
JP6718767B2 (ja) * 2016-07-29 2020-07-08 大成建設株式会社 土構造物とコンクリート構造物の複合体とその施工方法

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US4958962A (en) * 1989-06-28 1990-09-25 Halliburton Company Methods of modifying the structural integrity of subterranean earth situs
US5205646A (en) * 1991-12-19 1993-04-27 Kyllonen David M Method for conveyance of cement under water to form concrete
WO1993011918A1 (en) * 1991-12-19 1993-06-24 Kyllonen David M Method for conveyance of cement under water to form concrete
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US5845720A (en) * 1994-02-11 1998-12-08 Atlas Copco Craelius Ab Method for providing a substantially leakproof shielding layer in the ground and a device for performing the method
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US5934840A (en) * 1997-10-03 1999-08-10 Geocon Excavation support structure
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US6840710B2 (en) * 2001-05-15 2005-01-11 Rar Group, Llc Underground alluvial water storage reservoir and method
US7192218B2 (en) 2004-02-24 2007-03-20 Ps Systems Inc. Direct recharge injection of underground water reservoirs
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US20070154262A1 (en) * 2004-02-24 2007-07-05 Ps Systems Inc. Direct Recharge Injection of Underground Water Reservoirs
US20110229267A1 (en) * 2004-02-24 2011-09-22 Ps Systems Inc. Direct recharge injection of underground water reservoirs
US20080073087A1 (en) * 2006-09-26 2008-03-27 Ps Systems Inc. Ventilation of underground porosity storage reservoirs
US20080072968A1 (en) * 2006-09-26 2008-03-27 Ps Systems Inc. Maintaining dynamic water storage in underground porosity reservoirs
US8074670B2 (en) 2006-09-26 2011-12-13 PS Systems, Inc. Maintaining dynamic water storage in underground porosity reservoirs
US20080226395A1 (en) * 2007-03-14 2008-09-18 Ps Systems Inc. Bank-Sided Porosity Storage Reservoirs
US7972080B2 (en) 2007-03-14 2011-07-05 PS Systems, Inc. Bank-sided porosity storage reservoirs
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US20090173142A1 (en) * 2007-07-24 2009-07-09 Ps Systems Inc. Controlling gas pressure in porosity storage reservoirs
JP2017014856A (ja) * 2015-07-06 2017-01-19 鹿島建設株式会社 複合地中連続壁の構造および複合地中連続壁の構築方法

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DE2158764B2 (de) 1977-11-24
DE2158764C3 (de) 1978-07-06
DE2158764A1 (de) 1972-06-22
JPS5014803B1 (de) 1975-05-30
FR2116171A5 (de) 1972-07-07

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