WO2005007970A1 - Dispositivo para la formación de juntas en obras de hormigón - Google Patents
Dispositivo para la formación de juntas en obras de hormigón Download PDFInfo
- Publication number
- WO2005007970A1 WO2005007970A1 PCT/ES2004/070047 ES2004070047W WO2005007970A1 WO 2005007970 A1 WO2005007970 A1 WO 2005007970A1 ES 2004070047 W ES2004070047 W ES 2004070047W WO 2005007970 A1 WO2005007970 A1 WO 2005007970A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- trays
- concrete
- joints
- concrete works
- works according
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
-
- 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
Definitions
- the present invention relates to a device for forming joints in concrete or other materials such as gravel-cement in which the phenomenon of retraction occurs and, more particularly, to a device that allows slabs or others Concrete elements separated by the joints are embedded together, or embedded in one direction and articulated in the other.
- the invention is applicable in linear works such as streets, roads, canals, collectors, highways, railways, dikes, in surface works such as esplanades of ports and airports, as well as in space works such as walls, deposits, floors, roofs, prefabricated and prey
- My Spanish patent application ES 2 149 103 A1 describes an articulated imbrication process between concrete slabs that ensures that the edges of said slabs have recesses and projections that are impregnated with each other in adjacent slabs.
- the essential element for this is the use of means alternately placed on one side and another of the plane of the axis of the joint perpendicular to the ground, inclined at the same angle to the ground, and varying the direction of inclination alternately on one side and another one of the mentioned plane. When cracking the concrete by retraction or by the application of loads, these means allow the formation of said recesses and projections.
- Said patent describes several concrete means formed from metal meshes that, although they achieve the mentioned objective, have some drawbacks to whose solution the present invention is directed.
- the object of the present invention is a device for forming retraction joints in concrete works constituted by a plurality of trays of a concrete separating material mounted on rigid linear elements alternately on one side and another of the superficial fissure line on the upper face of the concrete surface and leaving free spaces between them to allow cracking.
- the device may also include brackets to fix the position of said rigid linear elements and facilitate the correct placement of the trays.
- said trays are formed in the form of a broken surface with an upper and lower part parallel and inclined with respect to the horizontal term, forming with it an acute angle, and with at least an almost horizontal part, slightly inclined downwards. , directed to the conformation of substantially horizontal surfaces of support of adjacent slabs.
- the device preferably includes a waterproofing joint disposed along it on top of the plurality of trays and the free spaces between them.
- This waterproofing joint also serves to indicate the place where it is desired that the cracking of the concrete takes place that will be "directed" alternatively to either side of said joint in different areas delimited by the mentioned trays to leave the edges supported alternately of the elements resulting from cracking. Cracking occurs automatically by retraction or load.
- the almost horizontal part of the trays determines that the fissure is substantially horizontal in the corresponding areas of the concrete elements, thus achieving effective support between adjacent slabs even if the width of the fissure is large.
- FIG. 1 is a schematic perspective view of a device for forming retraction joints in concrete works including a
- FIG. 2 shows a tray formed by two semi-trays that include an almost horizontal central part and gaps distributed regularly in their upper and lower parts.
- Figures 3a and 3b are, respectively, schematic elevational and plan views of a device for forming joints using semi-trays such as those shown in Fig. 2.
- Fig. 4 shows an elevation view of a waterproofing joint suitable for a device for forming joints using semi-trays as shown in Fig. 2.
- Figures 5a and 5b are elevational views of the ends of two adjacent slabs in the joint formed using the device illustrated in Figures 2 and 3 in areas occupied by trays arranged on different sides of the fissure surface line.
- the device 1 for the formation of retraction joints in concrete works according to the invention includes three basic components: elements formed by equal trays 3, 3 ', supports 5 , 5 'and rigid linear elements 7, 9, 11.
- the device 1 is mounted in situ in the work in question, in warehouse or in any appropriate place, in the position and with the length provided for the formation of the joints of retraction.
- the mentioned trays 3, 3 ' which will normally be prefabricated, are alternately mounted on each side of the surface line provided for the cracking of the concrete, located in the same vertical plane as the rigid linear element 11, normally leaving free spaces 16 between although, for certain applications, it may be useful to place trays 3, 3 'in a row.
- a fourth component component of the device 1 (not shown in Figure 1) is a waterproofing joint 40 (Fig. 4) located in its upper part.
- the supports 5, 5 ' are not essential, it is convenient to use them as means of correct positioning of the rigid elements 7, 9, 11. Additionally they facilitate the placement of the trays 3, 3 1 with the appropriate inclination.
- the alternate arrangement of trays 3, 3 ' determines a prismatic-triangular configuration of the device 1.
- a tray 12 formed by two equal half-trays 14, 15 can be seen except in the position of the supports 30, 31.
- the semi-tray 15 is in the form of a broken surface with upper and lower parts 17 parallel and inclined, at an acute angle I, with respect to the horizontal plane and an almost horizontal central part 21.
- the upper parts 17 and lower 19 include hollow areas 22 arranged regularly. It is estimated that the appropriate inclination of the parts 17 and 19 with respect to the horizontal (angle I in Fig. 2) should be between 40 ° and 80 ° and that of the central part 21 (angle C in Fig. 2) must be between 0 and 15 °. The inclination of parts 17 and 19 may be different.
- the semi-tray 15 is supported by one of its ends in the support 31 of triangular type, with a broken side as the surface of the tray 15, with an internal reinforcement 33.
- the support 31 has holes 35, 37 in its lower base through which the rigid linear elements that allow mounting the device are passed.
- the semi-tray 15 has a conduit 25 in its lower part for the same purpose, and therefore with the same section, although it does not necessarily have to be fully closed as shown in Figure 2.
- the upper edge 27 of the semi-tray 15 is configured in a U-shape to facilitate the assembly of a sealing gasket 40 as shown in Fig. 4 in which two hooks 41, 43 are seen on each side, for grab cracked concrete, allowing lips 45, 47 to separate horizontally.
- the upper edge or head 27 of the semi-tray 15 includes small projections that ensure the fixing of the joint 40 by means of a clipping mechanism.
- the semi-tray 15 and the support 31 are joined in solidarity by one end.
- the supports may not be integrally attached to the semi-tray and be located in its center instead of at one of its ends.
- a determining factor in choosing one or another alternative is the height that the device must have. In this regard, it can be seen that the configuration shown in Fig. 2 allows the assembly of a double height device by fitting the ducts 25 of a row of semi-trays on the heads 27 of another row of semi-trays.
- a device 1 for forming joints with trays 12, 12 'arranged alternately on each side of the fissure surface line 24 (coinciding with the rigid linear element 11) with free spaces 16 between them can be observed.
- the semi-trays 14 and 15 can be configured so that they can fit each.
- a third linear element 11 which, in this case, serves to stiffen the sealing gasket 40, and which is located in the recess 49 of its lower part, which is mounted on the upper edge 27 of the semi-trays 14, 15.
- the forming material of the trays 3, the semi-trays 14, 15 and the supports 5, 31 can be polypropylene, PVC, polyamide, sheet steel or other material suitable for serving as an element concrete separator.
- the sealing material 40 may be rubber, PVC, rubber or other waterproof material.
- rigid linear elements 7, 9, 11, steel bars or high rigid plastic bars can be used.
- SUBSTITUTE SHEET (RULE 26) All device components are susceptible to prefabrication. Its reduced weight and shape allows the transfer in a stacked way to the place of work where they are mounted as indicated and placed on the ground in the places provided for the meeting. Once mounted, the device 1 for the formation of retraction joints according to the present invention has a certain flexural capacity that allows it to adapt to the surface on which the concrete will be poured even if it is not perfectly leveled. Its configuration and particularly the presence of holes in the trays and supports facilitates the placement of the concrete without displacing the device. As a complement, nails are required to hold the ground that immobilize elements 7 and 9 and therefore the device 1.
- the fastening of the waterproofing joint 40 on the head 27 of the semi-trays 14,15 guarantees its correct placement.
- the waterproofing joint 40 can open its lips 45, 47 and be anchored to the concrete on both sides of the fissure, allowing the expansion and contraction of the concrete, being closed at the bottom to be impervious to water both in its upward and downward movement.
- a rigid linear element 11 can go inside this waterproofing joint 40 if a greater rigidity of the assembly is necessary. In this sense, the seal 40 could be made so that the lips 45 and 47 were joined at its bottom, that is, at the top of the gap 49.
- the device 1 for forming retraction joints according to the present invention includes free spaces 16 between alternating trays 3, 3 '; 12, 12 'so that the cracking of the concrete as a result of the retraction or the performance of a load, can easily vary its orientation to one or the other side of the surface line of cracking following the surfaces of said trays 3, 3'; 12, 12 '.
- the optimum dimension of the free spaces 16 between alternating trays 3, 3 '; 12, 12 ' is between one and two times the length of the base of the support of said trays.
- the device 1 for the formation of retraction joints according to the invention can also be used as formwork which is useful for delimiting the completion of a work at the end of a work day or for the execution of a linear work in two semi-roadways in different time points at which it is desired to form a longitudinal joint according to the present invention.
- the trays and triangles cannot incorporate gaps and must be placed without free spaces between two alternate trays to achieve an effective enclosure that prevents concrete from exiting.
- the section 54' of the slab 52 is located below the horizontal section 53 'of the slab 50. Therefore, in that area, the slab 52 is prevented from moving upwards since the horizontal section of the slab 50 is above. The shear stresses are therefore transmitted between the slabs and, in general, between the cracked elements in the case of concrete works other than pavements. On the other hand, bending moments are also transmitted. If the area of the joint is lifted by the effect of an internal load of the slab 50, the section 53 will be higher than the section 53 'because it is farther from the load that tends to sink the slab in the center and lift it at the edge . The section 53 'according to Fig. 5b is higher than the section 54' of the slab 52. In turn, the section 54 'which is
- SUBSTITUTE SHEET (RULE 26) it rises on slab 52 is taller than section 54 because it is farther from the center of slab 52. It turns out that the order of height or height reached would be 53, 53 ', 54', 54. This is not possible since Seeing Fig. 5a, part 54 is above 53. To be above and below at the same time it must happen that they are at the same level. That is, the line that joins a support 53-54 with the other 53'-54 'is a line parallel to the horizontal (parallel to the surface). Therefore, there is no rotation between the slabs 50 and 52 and the bending moments are transmitted. The horizontal part 21 of the trays 12, 12 'always works under compression so their durability is assured.
- SUBSTITUTE SHEET (RULE 26) shows in Figure 2, that the axis of the head 27 is offset with respect to the axis of the part 17 of the tray.
- the philosophy is not to reinforce a concrete area and prevent a fissure from progressing in one direction, but to weaken an area to conduct the fissure, which is easier and cheaper.
- -It is possible to combine the trays so that there is an embedment in both directions of the bending moment.
- An advantage of special interest of the present invention concerns the railway tracks since it allows its construction based on concrete being the respective slabs properly embedded together. This characteristic would allow the elimination of the current rails to be considered as the concrete pathway is capable of performing its function.
- the present invention is not limited to the described embodiments but to any other within the scope defined by the following claims.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Lining And Supports For Tunnels (AREA)
- Sewage (AREA)
- Bridges Or Land Bridges (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Building Environments (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002532778A CA2532778A1 (en) | 2003-07-17 | 2004-07-07 | Device for forming joints in concrete works |
US10/562,850 US8028482B2 (en) | 2003-07-17 | 2004-07-07 | Device for forming joints in concrete works |
AT04742086T ATE457386T1 (de) | 2003-07-17 | 2004-07-07 | Vorrichtung zur herstellung von verbindungen in betonbauten |
EP04742086A EP1647630B1 (en) | 2003-07-17 | 2004-07-07 | Device for forming joints in concrete works |
BRPI0412703-0A BRPI0412703A (pt) | 2003-07-17 | 2004-07-07 | dispositivo para a formação de juntas de retração em obras de concreto |
PL04742086T PL1647630T3 (pl) | 2003-07-17 | 2004-07-07 | Urządzenie do tworzenia szczelin w konstrukcjach betonowych |
DE602004025471T DE602004025471D1 (de) | 2003-07-17 | 2004-07-07 | Vorrichtung zur herstellung von verbindungen in betonbauten |
AU2004257840A AU2004257840B2 (en) | 2003-07-17 | 2004-07-07 | Device for forming joints in concrete works |
EGNA2006000047 EG23974A (en) | 2003-07-17 | 2006-01-16 | Device for forming joints in concrete works |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200301687 | 2003-07-17 | ||
ES200301687A ES2224866B1 (es) | 2003-07-17 | 2003-07-17 | Dispositivo para la formacion de juntas en obras de hormigon. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005007970A1 true WO2005007970A1 (es) | 2005-01-27 |
Family
ID=34072912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2004/070047 WO2005007970A1 (es) | 2003-07-17 | 2004-07-07 | Dispositivo para la formación de juntas en obras de hormigón |
Country Status (22)
Country | Link |
---|---|
US (1) | US8028482B2 (es) |
EP (1) | EP1647630B1 (es) |
CN (1) | CN100567642C (es) |
AR (1) | AR046388A1 (es) |
AT (1) | ATE457386T1 (es) |
AU (1) | AU2004257840B2 (es) |
BR (1) | BRPI0412703A (es) |
CA (1) | CA2532778A1 (es) |
CL (1) | CL43334B (es) |
CO (1) | CO5660309A2 (es) |
CR (1) | CR8175A (es) |
DE (1) | DE602004025471D1 (es) |
EG (1) | EG23974A (es) |
ES (1) | ES2224866B1 (es) |
HN (1) | HN2004000243A (es) |
MA (1) | MA27923A1 (es) |
PA (1) | PA8607301A1 (es) |
PE (1) | PE20050500A1 (es) |
PL (1) | PL1647630T3 (es) |
PT (1) | PT1647630E (es) |
RU (1) | RU2341607C2 (es) |
WO (1) | WO2005007970A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2693419A1 (es) * | 2017-06-08 | 2018-12-11 | Jose Ramón VÁZQUEZ RUIZ DEL ÁRBOL | Pavimento de hormigón armado de espesor reducido |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2224866B1 (es) | 2003-07-17 | 2007-04-16 | Jose Ramon Vazquez Ruiz del Arbol | Dispositivo para la formacion de juntas en obras de hormigon. |
ES2350781B1 (es) * | 2009-04-17 | 2011-11-18 | Jose Ramon Vazquez Ruiz del Arbol | Procedimiento y dispositivos para la formacion de juntas de retraccion en obras de hormigon |
MD410Z (ro) * | 2010-12-07 | 2012-03-31 | Константин ЕЛИСЕЙ | Procedeu de reparaţie a platformei drumului |
MD376Z (ro) * | 2010-12-16 | 2011-12-31 | Григоре ЧАПА | Sector al îmbrăcămintei rutiere rigide cu rost de deformaţie termică şi procedeu de reparaţie a îmbrăcămintei rutiere rigide pe sectorul de amplasare a rostului de deformaţie termică |
CN115419019A (zh) * | 2022-10-01 | 2022-12-02 | 广东中裕水电建设工程有限公司 | 一种错位接缝的水库大坝防渗加固施工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1505174A (en) * | 1922-02-09 | 1924-08-19 | Edward K Triol | Concrete-pavement construction |
US2321067A (en) * | 1942-05-15 | 1943-06-08 | Witt Guy C De | Preformed strip for forming expansion joints |
JP2000008309A (ja) * | 1998-04-20 | 2000-01-11 | Hayakawa Rubber Co Ltd | 土木構造及びその施工方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1921081A (en) * | 1929-03-28 | 1933-08-08 | John N Heltzel | Road reenforcement and joint |
US1978278A (en) * | 1933-01-19 | 1934-10-23 | Chester J O'brien | Joint for concrete slabs |
US3497172A (en) * | 1967-04-05 | 1970-02-24 | Superior Concrete Accessories | Concrete form and joint forming member therefor |
CH646751A5 (de) * | 1980-05-01 | 1984-12-14 | Pawe Ag | Verwendung von aus streckmetall oder aus blech mit aufgerauhter oberflaeche bestehenden profilelementen bei der betonierung eines bauwerkes. |
DE3436882A1 (de) * | 1984-07-27 | 1986-01-30 | Burger, Frank, 8000 München | Rahmensystem, insbesondere fuer gestelle und den innenausbau |
ES2224866B1 (es) | 2003-07-17 | 2007-04-16 | Jose Ramon Vazquez Ruiz del Arbol | Dispositivo para la formacion de juntas en obras de hormigon. |
-
2003
- 2003-07-17 ES ES200301687A patent/ES2224866B1/es not_active Expired - Fee Related
-
2004
- 2004-07-07 PT PT04742086T patent/PT1647630E/pt unknown
- 2004-07-07 BR BRPI0412703-0A patent/BRPI0412703A/pt not_active IP Right Cessation
- 2004-07-07 AU AU2004257840A patent/AU2004257840B2/en not_active Ceased
- 2004-07-07 DE DE602004025471T patent/DE602004025471D1/de not_active Expired - Lifetime
- 2004-07-07 CN CNB2004800200905A patent/CN100567642C/zh not_active Expired - Fee Related
- 2004-07-07 PL PL04742086T patent/PL1647630T3/pl unknown
- 2004-07-07 EP EP04742086A patent/EP1647630B1/en not_active Expired - Lifetime
- 2004-07-07 RU RU2006104856/03A patent/RU2341607C2/ru not_active IP Right Cessation
- 2004-07-07 AT AT04742086T patent/ATE457386T1/de not_active IP Right Cessation
- 2004-07-07 US US10/562,850 patent/US8028482B2/en not_active Expired - Fee Related
- 2004-07-07 CA CA002532778A patent/CA2532778A1/en not_active Abandoned
- 2004-07-07 WO PCT/ES2004/070047 patent/WO2005007970A1/es active Application Filing
- 2004-07-13 AR ARP040102464A patent/AR046388A1/es unknown
- 2004-07-16 CL CL200401792A patent/CL43334B/es active
- 2004-07-16 PA PA20048607301A patent/PA8607301A1/es unknown
- 2004-07-16 HN HN2004000243A patent/HN2004000243A/es unknown
- 2004-07-16 PE PE2004000681A patent/PE20050500A1/es not_active Application Discontinuation
-
2006
- 2006-01-05 CR CR8175A patent/CR8175A/es not_active Application Discontinuation
- 2006-01-16 EG EGNA2006000047 patent/EG23974A/xx active
- 2006-01-17 MA MA28728A patent/MA27923A1/fr unknown
- 2006-02-09 CO CO06012870A patent/CO5660309A2/es not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1505174A (en) * | 1922-02-09 | 1924-08-19 | Edward K Triol | Concrete-pavement construction |
US2321067A (en) * | 1942-05-15 | 1943-06-08 | Witt Guy C De | Preformed strip for forming expansion joints |
JP2000008309A (ja) * | 1998-04-20 | 2000-01-11 | Hayakawa Rubber Co Ltd | 土木構造及びその施工方法 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 04 31 August 2000 (2000-08-31) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2693419A1 (es) * | 2017-06-08 | 2018-12-11 | Jose Ramón VÁZQUEZ RUIZ DEL ÁRBOL | Pavimento de hormigón armado de espesor reducido |
WO2018224707A1 (es) * | 2017-06-08 | 2018-12-13 | Vazquez Ruiz Del Arbol Jose Ramon | Pavimento de hormigón armado de espesor reducido |
US11286624B2 (en) | 2017-06-08 | 2022-03-29 | José Ramón Vazquez Ruiz Del Arbol | Reduced-thickness reinforced concrete pavement |
Also Published As
Publication number | Publication date |
---|---|
ATE457386T1 (de) | 2010-02-15 |
CN100567642C (zh) | 2009-12-09 |
EG23974A (en) | 2008-02-25 |
RU2341607C2 (ru) | 2008-12-20 |
HN2004000243A (es) | 2010-08-05 |
CN1823199A (zh) | 2006-08-23 |
PT1647630E (pt) | 2010-05-17 |
DE602004025471D1 (de) | 2010-03-25 |
ES2224866A1 (es) | 2005-03-01 |
RU2006104856A (ru) | 2006-06-27 |
CO5660309A2 (es) | 2006-07-31 |
US20060277856A1 (en) | 2006-12-14 |
PE20050500A1 (es) | 2005-06-23 |
MA27923A1 (fr) | 2006-06-01 |
EP1647630A1 (en) | 2006-04-19 |
CA2532778A1 (en) | 2005-01-27 |
US8028482B2 (en) | 2011-10-04 |
CL43334B (es) | 2005-05-06 |
PA8607301A1 (es) | 2005-03-03 |
AU2004257840B2 (en) | 2009-04-09 |
AU2004257840A1 (en) | 2005-01-27 |
AR046388A1 (es) | 2005-12-07 |
EP1647630B1 (en) | 2010-02-10 |
PL1647630T3 (pl) | 2010-07-30 |
BRPI0412703A (pt) | 2006-09-26 |
CR8175A (es) | 2006-10-04 |
ES2224866B1 (es) | 2007-04-16 |
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