EP1474571B1 - Joint de dilatation et/ou de construction pour des planchers en beton et autres - Google Patents

Joint de dilatation et/ou de construction pour des planchers en beton et autres Download PDF

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Publication number
EP1474571B1
EP1474571B1 EP02806798A EP02806798A EP1474571B1 EP 1474571 B1 EP1474571 B1 EP 1474571B1 EP 02806798 A EP02806798 A EP 02806798A EP 02806798 A EP02806798 A EP 02806798A EP 1474571 B1 EP1474571 B1 EP 1474571B1
Authority
EP
European Patent Office
Prior art keywords
joint
sleeve
seat
pin
pair
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
Application number
EP02806798A
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German (de)
English (en)
Other versions
EP1474571A1 (fr
Inventor
Maurizio Pontello
Luca Seminati
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Individual
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Individual
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Filing date
Publication date
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Publication of EP1474571A1 publication Critical patent/EP1474571A1/fr
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Publication of EP1474571B1 publication Critical patent/EP1474571B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E04B1/483—Shear dowels to be embedded in concrete

Definitions

  • the present invention relates to an expansion and/or construction joint for concrete flooring and the like.
  • Slab floorings made of concrete, reinforced concrete and the like are known. These are employed in industrial as well as in civil environments, in this latter case e.g. for the flooring of open-air spaces or for the making of self-supporting floors.
  • Such floorings generally comprise a so-called expansion and/or construction joint, schematically shown in Figure 1 in a partially sectional perspective view.
  • known-art joints typically comprise a tubular sleeve 100 and a dowel or pin 200 apt to be inserted therein, both having a cylindrical contour.
  • the pin 200 and the sleeve 100 are buried in respective flooring slabs, which are partitioned by sections 300.
  • the pin 200 is partially inserted within the sleeve 100, thereby implementing a slidadable coupling therebetween in a direction transversal to the sections 300 of the joint itself.
  • US 5,941,045 discloses a concrete slab socket wherein a relative transversal movement between adjacent concrete slabs is permitted since a sleeve has a cross sectional shape which has a transverse dimension greater than an upright dimension, so allowing a limited transverse movement of a dowel bar or pin.
  • This embodiment discloses also a connector for mounting said sleeve on a slab, but said connector does not allow to selectively prevent the lateral movement of a part of said pin with respect to the slabs.
  • the technical problem underlying the present invention is that of providing an expansion and/or construction joint allowing to overcome the drawbacks mentioned above.
  • the present invention provides some relevant advantages.
  • the main advantage lies in the fact that the joint of the invention, further providing a transversal degree of freedom, instead of a mere longitudinal one, in the relative motion between pin and sleeve, improves the structure adaptability to thermal deformation, settlement and the like phenomena, thereby decreasing the likelihood of these phenomena causing cracks, fissures or breakings in general.
  • an expansion and/or construction joint according to the invention is generally indicated by 10.
  • the joint 10 is employed in the making of vast area floorings, constituted e.g. by plates made of precast concrete, cast reinforced concrete, flat slab floors and the like.
  • the joint 10 comprises at least one sleeve 1, apt to receive in slidadable coupling a corresponding pin or round bar 2, substantially cylinder-shaped and generally made of iron.
  • the latter will hereinafter be referred to as reinforcement pin, since, as it will be made apparent also hereinafter, it is made integral as a single body with the reinforced concrete casting of a respective flooring portion.
  • a longitudinal seat 11 for receiving the expansion pin 2.
  • such longitudinal seat 11 has a cross section such as to provide a lateral mobility of said pin 2 within the sleeve 1.
  • such lateral mobility is provided by the fact that said cross-section has a substantially elongated shape, in particular elliptical or oval.
  • the seat 11 provides a first transversal dimension of greater extension, indicated by a reference height 12 in Figure 5 , and a second transversal dimension of smaller extension, indicated by a reference height 121 and having an extension comparable to the diameter of the pin 2.
  • the sleeve 1 has a pair of side flaps 13, which are substantially parallel to the transversal dimension of greater extension 12 of the sleeve itself and develop along the entire longitudinal extension thereof.
  • the flaps 13 project within the seat 11, at opposite sides thereof, and - during the mounting of the joint 10 - allow centering the reinforcement pin 2 in the sleeve 1, in such a way that the longitudinal expansion of the joint 10 may occur, once it is installed, equally in both verses of the sliding.
  • the flaps 13 also allow limiting the amplitude of the side motion of the expansion pin 2, as well as guiding its sliding within the sleeve 1.
  • the flaps 13 are made of an easily disgregable polymeric material.
  • the sleeve 1 has an outer contour that substantially duplicates that of its internal seat 11.
  • the sleeve 1 is made of PVC or of other polymer plastic material.
  • the sleeve of the joint of the invention is susceptible of several variant embodiments alternative to the hereto-described one, according to which the same sleeve is made of different materials and/or has a different shape, in particular concerning the cross section of its internal longitudinal seat.
  • FIG. 6 and 7 Two such preferred variant embodiments are depicted in Figures 6 and 7 , showing each a cross-sectional view analogous to that of Figure 5 of a respective sleeve.
  • the same reference number has denoted elements analogous to that of the embodiment shown in Figure 5 .
  • a sleeve according to the invention in this case indicated by 201, has a substantially rectangular overall cross section, and a substantially elliptical internal seat 11. Moreover, always in such variant embodiment, the sleeve 201 has, at its external surface, a knurling 140 in order to make a friction coupling with a tubular connector of the same joint that will be introduced later on.
  • a sleeve according to the invention in this case indicated by 20, provides a longitudinal seat, here indicated by 21, having a substantially rectangular cross section that may simplify the production process of the sleeve itself.
  • the joint 10 comprises the abovementioned tubular connector 3.
  • the tubular connector 3 has a longitudinal internal seat having a cross section analogous to that of the sleeve 1, apt to receive an end portion of the latter therein, which end portion corresponds to the inlet section of the pin 2 into the sleeve 1 itself.
  • the joint 10 further comprises a pair of junction plates or sheets, indicated by 4 and 5, respectively, preferably metallic and apt to be arranged parallel and side-by-side along the entire length of the joint itself, so as to be facing one another at the junction between two flooring slabs or sectors of the entire flooring area.
  • each junction plate 4, 5 consists of a substantially L-shaped metal sheet section.
  • Each one of the sheets 4 and 5 has one or more seats for allowing the passage therethrough of the reinforcement pin 2 and, depending on the specific construction, of the tubular connector 3 and/or of the sleeve 1.
  • one sheet of the pair of sheets, and specifically that denoted by 5 has a plurality of seats 510 having a substantially elliptical contour, each seat being apt to allow the passage of a sleeve 1.
  • each seat 510 be apt to receive both the sleeve 1 and the connector 3 housing the sleeve itself.
  • the other sheet of the pair i.e. in this case that denoted by 4, further has seats 410 having a substantially circular contour, coaxial to the ellipsoidal seats 510 and each apt to allow the passage of a pin 2.
  • the sheets 4 and 5 are prearranged for the reciprocal joining, e.g. for an on-site joining by means of simple bolts and nuts of an easy shearing.
  • sheets 4 and 5 provide holes apt to receive conventional joining elements, like e.g. bolts, as it is shown in Figure 4 .
  • the joint 10 of the present embodiment further comprises an infill panel 6, in particular a sheath made of expanded closed-cell polyethylene or of other polymeric material, apt to be interposed between said sheets 4 and 5.
  • an infill panel 6 in particular a sheath made of expanded closed-cell polyethylene or of other polymeric material, apt to be interposed between said sheets 4 and 5.
  • such panel 6 has seats matching those obtained onto the sheets 4 and 5 and it is prearranged for the joining therebetween in the terms described above.
  • the joint 10 comprises at least a pair of stirrups, generically indicated by 71 and 72, typically made of Iron, e.g. of a round bar for concrete casting, and each associated with a respective sheet 4 or 5.
  • the purpose of these stirrups is to improve the setting of the concrete casting forming the end flooring onto the joint 10.
  • stirrups 71 and 72 are welded to the respective sheet 4 or 5 of the joint so as to form the reinforcement of the joint itself, in order to make the latter integral as a single body with a respective flooring portion delimited by the sheet 4 or 5.
  • the weldings may be carried out directly on-site and laid to prepare the casting of the entire flooring.
  • the sheets 4 and 5 rest on the bottom of the flooring, at the shorter side of the "L” and arranged so that the longer side of the "L” be vertical. Moreover, the sheets 4 and 5 are reversably joined the one to the other by the abovementioned bolts at the longer side of the "L", with the infill panel 6 interposed therebetween and so that the seats 510 and 410 be coaxial.
  • each tubular connector 3 is secured at the inlet of a respective elliptical seat 510 of the sheet 5 at one end thereof, e.g. by welding, adhesive or other processes.
  • each tubular connector may be inserted in a respective elliptical seat of the sheet 5 and be secured thereto at its side wall, e.g. by welding, forced coupling with adhesive or other processes.
  • tubular connector 3 is located on a single side of the joint 10 and it is secured to only one of the sheets of the latter, in order to provide an improved mobility thereto.
  • the connector 3 receives, at a first inlet section thereof located at a side opposite to the sheet 5, an end portion of the sleeve 1, which may frictionally be held therein by a slightly forced coupling and/or by the knurlings 140 provided in the embodiments of Figures 6 and 7 . Furthermore, at the opposite inlet section the connector 3 receives the reinforcement pin 2, which in turn is inserted into the sleeve 1 nearly for the entire longitudinal extension thereof.
  • the end of the sleeve 1 opposite to that of inlet of the pin 2 may be closed by a cap, e.g. in PVC or in polymeric material, as it is schematically shown in Figure 3b .
  • a joint for flooring of the type considered here consists of a plurality of sleeves 1, advantageously spaced according to a constant pitch along one of the sheets of the joint, in this case the sheet denoted by 5, and of a corresponding plurality of respective reinforcement pins 2.
  • each stirrup 71, 72 is secured to each sheet 4, 5, near the junction therebetween and at the face external with respect to said junction.
  • each stirrup 71, 72 is arranged with its arms substantially aligned along the vertical direction and substantially orthogonal to the respective sheet 4, 5.
  • the arrangement is such that the stirrups 71 and 72 of each pair are arranged, in a plan view, at opposite sides with respect to the junction between the sheets 4, 5, and staggered the one with respect to the other.
  • all of the hereto-described structure is meant to be covered by an optionally reinforced concrete casting or the like, so as to implement a junction between adjacent slabs or surface portions of the end flooring.
  • the resulting flooring may be impressed with conventional processes and/or undergo any other processing or treatment.
  • tubular connector 3 allows to connect the sleeve 1 to the sheet 5 by a mere coupling, thereby further improving the mobility of the structure and the ease of on-site installation of the entire joint structure.
  • tubular connector 30 an alternative embodiment of the tubular connector according to the invention is generally indicated by 30.
  • the connector 30 comprises a first tubular portion 31 of greater cross section, having a substantially elongated cross section, and in particular substantially elliptical or ovoidal. Within such first portion 31 there is obtained a longitudinal sleeve seat having a cross section of a shape equal to that of the outer contour thereof. Hence, the first tubular portion 31 is apt to receive a sleeve 1 analogous to that of the embodiments described above, shown e.g. in Figure 11 .
  • the connector 30 further comprises a second tubular portion 32 of smaller cross section, integral to the first portion 31 and longitudinally aligned to the latter.
  • the second portion 32 has a substantially circular cross section, inside which there is obtained a longitudinal pin seat having a cross section of alike shape.
  • the second portion 32 is apt to receive a reinforcement pin 2 analogous to that of the embodiments described above and shown e.g. in Figure 11 .
  • said second portion 32 has an external thread 33, or other equivalent means, in order to allow its coupling with a blocking element 60 which will be described later on.
  • the overall arrangement is such that the connector 30 resembles a hollow bolt, of which the first portion 31 represents the head and the second portion 32 the threaded body.
  • the connector 30 comprises two engagement lateral elements 35, located at opposite sides and having each a substantially cylindrical shape.
  • the connector 30 is made of a plastic material.
  • the abovementioned blocking element 60 is shown in Figure 9 and it substantially consists of a washer bearing an internal thread 61 complementary to the external thread 33 of the second portion 32 of the connector 30.
  • the joint of the present embodiment here indicated by 101, provides a pair of sheets, here indicated by 40 and 50, respectively.
  • the latter may be alike those of the first embodiment in all their elements, save the shaping of the seats obtained thereon for the passage of the sleeve 1 and of the pin 2.
  • the sheet 50 is prearranged to allow the passage therein of a plurality of connectors 30, and to this end it has a plurality of respective shaped seats 51 like that shown in this latter figure.
  • each seat 51 has, in a front view, a loop-shaped contour sideways defining two grooves 511.
  • the overall shape of the seat 51 is such as to allow the passage of the connector 30, and in particular also of its first portion 31, through the sheet 50, so that the engagement lateral elements 35 insert each in a respective groove 511.
  • the other sheet 40 of the pair has seats 41, having a substantially circular contour, apt to allow the passage of the second portion 32 of the connector 30 and located, during operation, coaxial to the seats 51 obtained onto the sheet 50.
  • the connector 30 could further comprise side stirrups as those of the first embodiment.
  • each tubular connector 30 is located through a respective seat 51 of the sheet 50, so that the engagement elements 35 be facing and optionally abutting the internal face of the other sheet 40 or of the infill panel interposed between the sheets 40 and 50.
  • the second portion 32 of the connector 30 is located through a respective seat 41 of this latter sheet 40. Therefore, the connector 30 is blocked in place by the blocking element 60. The latter is screwed externally to the second portion 32 of the connector itself, and in particular onto the part thereof that comes out at the external side of the sheet 40, and forced in abutment onto the outer face of this latter sheet.
  • each sleeve 1 is inserted, at one end thereof, within the first portion 31 of the respective connector 30.
  • the respective pin 2 is inserted within the second portion 32 of the same connector 30 and it longitudinally extends within the sleeve 1, as already described above.
  • the invention further relates to a method for making a junction for concrete slab floorings and the like, comprising the steps of:

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Floor Finish (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Claims (17)

  1. Joint de dilatation et/ou de construction (10, 101) pour des planchers en dalles de béton et similaire, comprenant une paire de plaques de jonction (4, 5, 40, 50) situées de façon parallèle et en face les unes des autres, à la jonction entre deux dalles de plancher adjacentes, avec au moins une broche de renfort (2), un manchon respectif (1) ayant un logement longitudinal interne (11) pour recevoir en accouplement coulissant ladite broche de renfort (2), ledit logement longitudinal ayant une section transversale telle qu'il permet à ladite broche (2) de se déplacer latéralement, et un connecteur tubulaire (30),
    caractérisé en ce que
    chacune desdites plaques (4, 5, 40, 50) a au moins un logement de passage (410, 510, 41, 51) pour permettre le passage dudit connecteur tubulaire (30) à travers lui,
    et ledit connecteur tubulaire (30) comprend une première partie tubulaire (31) ayant un logement longitudinal interne recevant une partie d'extrémité dudit manchon (1), et une seconde partie tubulaire (32) située à travers un logement respectif (41) d'une desdites plaques de jonction (40) et ayant un logement longitudinal interne recevant la broche de renfort (2) à l'intérieur, dans lequel ledit logement longitudinal interne de ladite seconde portion (32) a une section transversale qui est inférieure à celle de ladite première portion (31) et contraint latéralement ladite broche (2) de façon à éviter tout mouvement latéral de cette dernière.
  2. Joint (10, 101) selon la revendication précédente, dans lequel ladite première partie (31) est longitudinalement alignée à ladite seconde partie (32).
  3. Joint (10, 101) selon les revendications 1 ou 2, dans lequel ladite seconde partie (32) a une section transversale sensiblement circulaire.
  4. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel ladite seconde partie (32) a des moyens (33) permettant le blocage du connecteur tubulaire (30) relativement à ladite plaque (4, 5, 40, 50).
  5. Joint (10, 101) selon la revendication précédente, dans lequel lesdits moyens de blocage comprennent un filetage externe (33) de ladite seconde partie (32).
  6. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel ledit connecteur tubulaire (30) comprend une paire d'éléments de prise (35), situés sur les côtés de ladite première partie (31).
  7. Joint (10, 101) selon la revendication précédente, dans lequel ladite première partie (31) est située à travers l'un desdits logements (51), ledit logement (51) ayant une paire de cannelures latérales (511) pour permettre l'insertion de ladite paire d'éléments de prise (35).
  8. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel la surface extérieure dudit manchon (1) présente un moletage (140) pour un accouplement par frottement avec ladite première partie (31).
  9. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel ledit logement longitudinal (11) dudit manchon (1) et ledit logement longitudinal de ladite première partie (31) ont une section transversale sensiblement allongée.
  10. Joint (10, 101) selon la revendication précédente, dans lequel ledit logement longitudinal (11) dudit manchon (1) et ledit logement longitudinal de ladite première partie (31) ont une section transversale sensiblement elliptique.
  11. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel ledit manchon (1) et ledit connecteur tubulaire (30) sont réalisés en matière plastique polymère.
  12. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel ledit manchon (1) comprend une paire de pattes latérales de centrage (13) ayant un développement longitudinal et se projetant dans ledit logement longitudinal (11), sur des côtés opposés de celui-ci.
  13. Joint (10, 101) selon l'une quelconque des revendications précédentes, dans lequel lesdites plaques de jonction (4, 5, 40, 50) ont un profilé sensiblement en forme de L.
  14. Joint (10, 101) selon l'une quelconque des revendications précédentes, comprenant un panneau de remplissage (6) intercalé entre lesdites plaques de jonction (4, 5, 40, 50).
  15. Joint (10, 101) selon la revendication précédente, dans lequel ledit panneau de remplissage (6) est réalisé en un matériau polymère.
  16. Joint (10, 101) selon la revendication précédente, dans lequel ledit panneau de remplissage (6) est une gaine réalisée en polyéthylène expansé à cellules fermées.
  17. Joint (10, 101) selon l'une quelconque des revendications précédentes, comprenant au moins une paire d'étriers (71, 72), chacun étant fixé à une plaque de jonction respective (4, 5, 40, 50).
EP02806798A 2002-02-11 2002-12-23 Joint de dilatation et/ou de construction pour des planchers en beton et autres Expired - Lifetime EP1474571B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2002RM000070A ITRM20020070A1 (it) 2002-02-11 2002-02-11 Giunto di dilatazione per pavimentazioni in calcestruzzo e simili.
ITRM20020070 2002-02-11
PCT/IT2002/000825 WO2003069067A1 (fr) 2002-02-11 2002-12-23 Joint de dilatation et/ou de construction pour des planchers en beton et autres

Publications (2)

Publication Number Publication Date
EP1474571A1 EP1474571A1 (fr) 2004-11-10
EP1474571B1 true EP1474571B1 (fr) 2009-08-26

Family

ID=11456051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02806798A Expired - Lifetime EP1474571B1 (fr) 2002-02-11 2002-12-23 Joint de dilatation et/ou de construction pour des planchers en beton et autres

Country Status (6)

Country Link
EP (1) EP1474571B1 (fr)
AT (1) ATE441001T1 (fr)
AU (1) AU2002367624A1 (fr)
DE (1) DE60233529D1 (fr)
IT (1) ITRM20020070A1 (fr)
WO (1) WO2003069067A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2848581A1 (fr) 2002-12-17 2004-06-18 G S E Systeme pour transferer les charges entre des dalles coulees en place
PL2930269T3 (pl) 2006-06-12 2019-05-31 Hengelhoef Concrete Joints Nv Złącze konstrukcyjne
AR090164A1 (es) 2012-02-27 2014-10-22 Hengelhoef Concrete Joints Mfg Nv Junta de expansion
JP6706038B2 (ja) * 2015-09-02 2020-06-03 株式会社淺沼組 構造体の接合構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB431602A (en) * 1934-04-21 1935-07-11 William Harold Eichelman Improvements in expansion joints for concrete roads or pavements
AUPN333095A0 (en) 1995-06-05 1995-06-29 Durack, Michael James Concrete slab sockets
US5678952A (en) * 1995-11-16 1997-10-21 Shaw; Lee A. Concrete dowel placement apparatus
DE19725999C1 (de) * 1997-06-19 1998-11-05 Festo Ag & Co Steckverbindungseinrichtung sowie mit einer oder mehreren Steckverbindungseinrichtungen ausgestattete Fluidverteilereinrichtung

Also Published As

Publication number Publication date
AU2002367624A1 (en) 2003-09-04
WO2003069067A8 (fr) 2004-04-08
ATE441001T1 (de) 2009-09-15
EP1474571A1 (fr) 2004-11-10
WO2003069067A1 (fr) 2003-08-21
ITRM20020070A1 (it) 2003-08-11
ITRM20020070A0 (it) 2002-02-11
DE60233529D1 (de) 2009-10-08
AU2002367624A8 (en) 2003-09-04

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