EP2458095B1 - Appareil et procédé pour le levage de fondations d'immeuble - Google Patents

Appareil et procédé pour le levage de fondations d'immeuble Download PDF

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Publication number
EP2458095B1
EP2458095B1 EP10193150.9A EP10193150A EP2458095B1 EP 2458095 B1 EP2458095 B1 EP 2458095B1 EP 10193150 A EP10193150 A EP 10193150A EP 2458095 B1 EP2458095 B1 EP 2458095B1
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EP
European Patent Office
Prior art keywords
pile
counterpipe
lifting
preloading
plate
Prior art date
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EP10193150.9A
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German (de)
English (en)
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EP2458095A1 (fr
Inventor
Rosario Cerone
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Individual
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Individual
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Priority to EP10193150.9A priority Critical patent/EP2458095B1/fr
Priority to ES10193150.9T priority patent/ES2550178T3/es
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations

Definitions

  • the present invention refers to an apparatus and a method for the operations of preloading and/or lifting of structures.
  • the apparatus comprises at least one pile made integral to the structure through a counterpipe and an adjustment and/or locking system.
  • the present description it is also described a method for operations of preloading and/or lifting of a structure.
  • U.S. Pat. N. 6,347,489 and US 5 176 472 A describes a column for supporting structures, like e.g. houses, comprising lateral adhesion members. Two or more of these columns can be comprised in systems suitable for the lifting of foundations of the building of interest.
  • object of the present invention is to solve the above-mentioned problems, by advancing an apparatus for the operations of preloading and/or lifting of structures as defined in claim 1.
  • the present invention entails several evident advantages that will be highlighted in the following description.
  • the present invention comprises an adjustment system for adjusting the foundation/subfoundation structure.
  • Such adjustment system allows to easily modulate the preloading and/or lifting into plural steps, according to operative needs.
  • a further advantage consists in the option of carrying out over time new height adjustments, therefore carrying out, when needed, new operations of preloading and/or lifting of foundations, and this also thanks to the reduced external encumbrance of the individual components of the apparatus.
  • the present invention generally relates to an apparatus A related to the making of a subfoundation structure onto which an opposing action is to be exerted in order to apply a system of forces needed for the preloading and/or lifting of the structure itself to the desired configuration.
  • Preloading e.g., may be required to reduce or avoid settlings of foundations, or of the subfoundation, over time, and to cause the latter to react, right from the initial stages of its making.
  • the present invention describes an apparatus A for operations of preloading and/or lifting of a structure S.
  • structure S in the present description architectural and/or engineering structures are meant.
  • structure S comprises foundations of buildings and of artefacts in general, with reference to both new constructions and already existing constructions affected by settling.
  • the structure S is comprised of an element of reinforced concrete which is effectively connected to the main structure to be supported and/or lifted.
  • the apparatus A is useful, e.g., for the positioning and/or repositioning of the ground height.
  • the apparatus A comprises at least one pile P, at least one hollow counterpipe C and at least one actuator J.
  • the pile P is preferably a structurally solid pile P which is apt to be inserted into the ground where the structure S is present.
  • the hollow counterpipe C is made integral to the structure S and positioned externally and coaxially to the pile P.
  • the actuator J is suitable for guaranteeing the applying of a force on said pile P in order to allow the preloading and/or lifting of the structure S.
  • the actuator J is made integral to the structure S.
  • the apparatus A of the present invention comprises an adjustment and/or locking device R.
  • the device R comprises at least one opposing surface 1 integral to the pile P and a thread (internal thread), present internally to the counterpipe C.
  • the device R comprises a hollow tubular member D having an external thread.
  • the thread internal to the counterpipe C and the thread external to the hollow tubular member D are apt to cooperate therebetween, to thereby allow inserting and adjustment (in height) of the tubular member D onto the counterpipe C, when required.
  • This cooperation makes the hollow tubular member D integral to the counterpipe C.
  • the function of the device R being that of stably setting the preloading and/or the lifting of the structure S obtained by applying a force on pile P by means of the actuator J, the tubular member D is positionable, upon ending the preloading and/or lifting operation, into contact with the opposing surface 1.
  • the pile P inserted into the ground is anchored to the structure S through the counterpipe C, external to P.
  • the adjustment and/or locking device R is utilized to keep in preloading or lifting position the structure S following the applying of force.
  • the pile P is stressed by using a thrust system self-opposed with the same counterpipe C, or with the structure S, so as to cause the preloading of P and also attaining an upward reaction that can be enhanced up to the desired lifting of the structure S itself.
  • the individual components comprised in the apparatus A may be of any material deemed suitable by the same technician.
  • said material is metal.
  • said material is steel.
  • the technician in the field will be able to define, without any effort of inventive activity, the actual dimensions of the individual components according to the extent of loads to be borne in the specific applications.
  • the pile P may have any diameter suitable for the implementation of the present invention.
  • the pile P is of the driven or drilled type, made (cast) in advance in the construction ground.
  • Pile reinforcement is preferably metallic and, without limitation, comprised of a steel post of diameter and thickness suitable for the loads to be borne, filled or not filled thereinside by a mixture, or a cement mortar, or other suitable material.
  • the pile P is inserted into a counterpipe C which, besides being hollow, is made integral to the structure S by means of suitable load-transferring devices (e.g., lands, brackets, etc.).
  • the counterpipe C has, in accordance with the present invention, an internal thread. In a preferred embodiment, such thread may be limited to the upper portion of the counterpipe C.
  • the hollow tubular member D integral to the pile P, is provided with an external thread, on all or part of its length, and is apt to be screwed/unscrewed inside the threaded portion of the counterpipe C allowing to vary its distance from the opposing surface 1, positioned on the shaft of the pile P.
  • the apparatus A comprises at least one first plate 3, positionable between the pile P and the actuator J.
  • said first plate 3 is of steel and secured (e.g. by welding) to the head of the pile P. Therefore, the arrangement is such as to allow the loading of the pile itself through the applying of an axial force on the first plate 3.
  • the actuator J applies to the plate 3 a compression urging the pile P bottomward; the pile P, by reaction, causes an upward stressing on the structure S, causing the preloading and/or lifting of the structure S that, according to the present invention, is integral to the apparatus A.
  • the tubular member D is hollow thereinside to allow passage of pile P and applying of the preloading and/or lifting force on the first plate 3 by means of the actuator J. Then, upon reaching the desired configuration in terms of force and/or displacement, or in any one intermediate position, the tubular member D of the apparatus A is screwed into the counterpipe C until obtaining contact with the opposing surface 1. This situation is graphically described in Figure 2 . Thus, the reaction of pile P is transferred directly to counterpipe C and therefore to structure S. The actuator J may be unloaded for any recovery of the stroke for continuing the operations, or definitively at completion of the works.
  • the apparatus A further comprises at least one second plate 10 positionable between said pile P and said actuator J.
  • the apparatus A may comprise a solid tubular member 12 positionable between the first plate 3 and the second plate 10.
  • the opposing surface 1 is integral to the second plate 10.
  • load transfer from J to P may occur by means of a tubular member 12, even having a solid section, contacting the opposing surface 1 by means of a second plate 10, preferably of steel.
  • the apparatus A further comprises at least one shimming ring 9 apt to be interposed between the opposing surface 1 and the hollow tubular member D.
  • the shimming ring 9 comprises at least two portions apt to be connected therebetween, e.g. by welding.
  • the apparatus A according to the invention may have, should marked lowering of the pile P under load be manifest and/or high extents of lifting be required, one or more shimming rings 9. Therefore, in order to reduce the length of the internal threaded section of the counterpipe C and the overall length of the device R, it is possible to carry out the above-described preloading and/or lifting operations in more stages, making use of shimming rings 9. In this case, the unthreaded length of the counterpipe C should be adequate to the needs of the technician in the field who, with no need of further technical details being provided herein, will rapidly be able to determine the thickness of the rings 9.
  • the shimming rings 9 are depicted in detail in Figures 4A and 4B .
  • they are rings 9 of steel, each consisting of two or more parts to allow their insertion into the system when the actuator is active; the individual parts constituting the shimming ring 9 are joined in place by, e.g., welding or other suitable system, like screws, pins, etc., apt to guarantee their stable connection.
  • the apparatus A further comprises a system 13 for opposing the force imposed on the pile P by means of the actuator J.
  • Such opposing system 13 comprises at least one third plate 5, at least two bars 6 connectible to the third plate 5, first means for connecting the bars 6 to the third plate 5 and second means for connecting the bars 6 to the counterpipe C.
  • the first connecting means present on the bars 6 preferably comprises a first threaded end portion and corresponding nuts 7 for the securing to the plate 5; whereas the second connecting means comprises at least one sleeve 4 per each bar 6.
  • the sleeve is made integral to the counterpipe C and comprises an internal thread apt to cooperate with a second threaded end portion of the bar 6.
  • the actuator J is preferably comprised of an oil hydraulic cylinder, opposing on the third plate 5 held by the bars 6 through the bolts 7.
  • the opposing system 13 comprised of plate 5, bars 6 and bolts 7 is generally provisional and can also be of a different type, as long as it is suitable to oppose the action which, through the actuator J, has to be applied to the pile P.
  • the connection of the bars 6 to the counterpipe C is of removable type, for easily allowing subsequent installations of the opposing system 13 for any subsequent need, as well as for recovering the components used once operations have ended.
  • the external parts of the apparatus A exceeding the counterpipe C may be cut off, optionally even flush with the head of the counterpipe C itself (see
  • the counterpipe C comprises at least one port T for the inletting of sealing material into the space between the pile P and the counterpipe C.
  • the material to be inlet may be, e.g., cement grout or resin.
  • Object of the present description is also a method for operations of preloading and/or lifting of a structure S.
  • the technician in the field is well aware of the required steps to be carried out in order to prearrange an apparatus for the lifting and/or preloading of a general structure of interest. For this reason, in the present description it is left out of consideration any propaedeutical operation such as demolition of non-structural parts, excavations, safety proppings, finishing works, etc., which, obviously, will be suitably evaluated case-wise.
  • the opposing systems Upon waiting the curing times of the castings, the opposing systems are locally or globally completed by introducing the plates 5, the bars 6 and the bolts 7, prearranging all required instrumentations apt to monitor the structure in the preloading and/or lifting stages.
  • the actuators J preferably yet without limitation of oil hydraulic type, are installed, preferably constituting groups to be actuated synchronically or asynchronically, and anyhow with studied sequences and stages. I n each stage the groups of actuators J are progressively actuated, providing at the end of each sequence to progressively adjust the locking and/or adjustment devices R so as to carry out all operations in total safety, all according to what has been described in the foregoing for the individual apparatus of preloading and/or lifting of which at the present invention.
  • tubular members are definitively locked by means of welding and injection of grout and/or resins for sealing the interspace between pile P and counterpipe C, as well as any empty space between foundation/subfoundation and ground.
  • the method for operations of preloading and/or lifting of a structure S is characterized in that it utilizes an apparatus A in accordance with what has been described in the foregoing.

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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)
  • Piles And Underground Anchors (AREA)

Claims (12)

  1. Appareil (A) pour réaliser des opérations de pré-charge et/ou de levage d'une structure (S) comprenant :
    - au moins un pieu (P) apte à être inséré dans le sol ;
    - au moins un contre-tube creux (C) solidaire de ladite structure (S), externe et coaxial audit pieu (P) ;
    - au moins un actionneur (J) rendu solidaire de la structure (S) et approprié pour appliquer une force sur ledit pieu (P), pour la pré-charge et/ou le levage de ladite structure (S) ;
    caractérisé en ce qu'il comprend un dispositif d'ajustement et/ou de verrouillage (R) comprenant :
    • au moins une surface opposée (1) solidaire dudit pieu (P) ;
    • un filetage interne par rapport audit contre-tube (C), et
    • un élément tubulaire creux (D) ayant un filetage externe apte à coopérer avec ledit filetage interne, rendant ledit élément tubulaire solidaire du contre-tube (C),
    dans lequel ledit élément tubulaire creux (D) peut être positionné en contact avec ladite surface opposée (1).
  2. Appareil (A) selon la revendication 1, comprenant en outre au moins une première plaque (3) pouvant être positionnée entre ledit pieu (P) et ledit actionneur (J).
  3. Appareil (A) selon la revendication 1 ou 2, comprenant en outre au moins une deuxième plaque (10) pouvant être positionnée entre ledit pieu (P) et ledit actionneur (J).
  4. Appareil (A) selon la revendication 3, comprenant en outre un élément tubulaire plein (12) pouvant être positionné entre ladite première plaque (3) et ladite deuxième plaque (10).
  5. Appareil (A) selon la revendication 3 ou 4, dans lequel ladite au moins une surface opposée (1) est solidaire de ladite deuxième plaque (10).
  6. Appareil (A) selon l'une quelconque des revendications 1 à 5, comprenant en outre au moins une bague de calage (9) apte à être intercalée entre ladite surface opposée (1) et ledit élément tubulaire creux (D).
  7. Appareil (A) selon la revendication 6, dans lequel ladite au moins une bague de calage (9) comprend au moins deux parties aptes à être raccordées entre elles.
  8. Appareil (A) selon l'une quelconque des revendications 1 à 7, dans lequel ledit contre-tube (C) comprend au moins un orifice (T) pour l'entrée du matériau d'étanchéité dans un espace entre ledit pieu (P) et ledit contre-tube (C).
  9. Appareil (A) selon l'une quelconque des revendications 1 à 8, comprenant en outre un système (13) pour s'opposer à ladite force, comprenant :
    - au moins une troisième plaque (5) ;
    - au moins deux barres (6) pouvant être raccordées à ladite au moins une troisième plaque (5) ;
    - des premiers moyens pour raccorder lesdites barres (6) à ladite troisième plaque (5) ; et
    - des seconds moyens pour raccorder lesdites barres (6) audit contre-tube (C).
  10. Appareil (A) selon la revendication 9, dans lequel lesdits premiers moyens de raccordement comprennent une première partie filetée sur lesdites barres (6) et les écrous (7) correspondants.
  11. Appareil (A) selon la revendication 9 ou 10, dans lequel lesdits seconds moyens de raccordement comprennent au moins un manchon (4) pour chaque barre (6), solidaire dudit contre-tube (S), ledit manchon (4) comprenant un filetage interne apte à coopérer avec une seconde partie filetée de ladite barre (6).
  12. Procédé pour réaliser des opérations de pré-charge et/ou de levage d'une structure (S) en utilisant un appareil selon l'une quelconque des revendications 1 à 11 comprenant les étapes consistant à :
    - pré-agencer au moins un pieu (P) dans le sol en correspondance de ladite structure (S) ;
    - pré-agencer au moins un contre-tube creux (C) solidaire de ladite structure (S), extérieurement et de manière coaxiale par rapport audit pieu (P) ;
    - appliquer une force sur ledit pieu (P), pour la pré-charge et/ou le levage de ladite structure (S) ; et
    - verrouiller ladite structure (S) dans une position de pré-charge et/ou de levage.
EP10193150.9A 2010-11-30 2010-11-30 Appareil et procédé pour le levage de fondations d'immeuble Active EP2458095B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10193150.9A EP2458095B1 (fr) 2010-11-30 2010-11-30 Appareil et procédé pour le levage de fondations d'immeuble
ES10193150.9T ES2550178T3 (es) 2010-11-30 2010-11-30 Aparato y método para el levantamiento de cimientos para edificios

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10193150.9A EP2458095B1 (fr) 2010-11-30 2010-11-30 Appareil et procédé pour le levage de fondations d'immeuble

Publications (2)

Publication Number Publication Date
EP2458095A1 EP2458095A1 (fr) 2012-05-30
EP2458095B1 true EP2458095B1 (fr) 2015-08-05

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EP10193150.9A Active EP2458095B1 (fr) 2010-11-30 2010-11-30 Appareil et procédé pour le levage de fondations d'immeuble

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EP (1) EP2458095B1 (fr)
ES (1) ES2550178T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424380A (zh) * 2019-08-09 2019-11-08 倡创(上海)咨询管理事务所 钻孔灌注桩准确导向施工方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10947694B2 (en) * 2019-07-04 2021-03-16 Korea Institute Of Civil Engineering And Building Technology Preloading apparatus for adjusting load and method of reinforcing foundation using the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176472A (en) * 1983-02-08 1993-01-05 Kinder William D Foundation shoring method and means
US5862635A (en) * 1997-09-16 1999-01-26 Magnum Foundation Systems Support system for a building structure
US6347489B1 (en) 1998-05-01 2002-02-19 Chester R. Marshall, Jr. Storm anchor system including foundation column with adjustable saddle-type positioning members
US6659692B1 (en) * 2002-07-22 2003-12-09 Donald May Apparatus and method for supporting a structure with a pier and helix

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424380A (zh) * 2019-08-09 2019-11-08 倡创(上海)咨询管理事务所 钻孔灌注桩准确导向施工方法
CN110424380B (zh) * 2019-08-09 2021-01-08 倡创(上海)咨询管理事务所 钻孔灌注桩准确导向施工方法

Also Published As

Publication number Publication date
ES2550178T3 (es) 2015-11-05
EP2458095A1 (fr) 2012-05-30

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