WO2000079055A1 - Bridge joint - Google Patents
Bridge joint Download PDFInfo
- Publication number
- WO2000079055A1 WO2000079055A1 PCT/GB2000/002224 GB0002224W WO0079055A1 WO 2000079055 A1 WO2000079055 A1 WO 2000079055A1 GB 0002224 W GB0002224 W GB 0002224W WO 0079055 A1 WO0079055 A1 WO 0079055A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- beams
- crossbeams
- edge
- bridge joint
- roadway
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
Definitions
- the present invention relates to a bridge joint, that is to say a joint between two sections of the roadway of a bridge.
- Bridge joints are required primarily because of thermal expansion and contraction in the roadway of a bridge. Also they accommodate initial contract on setting of concrete in the roadway and relative shear and rise/fall of adjacent roadway sections.
- the object of the present invention is to provide an improved bridge joint.
- a bridge joint according to the invention comprises:
- edge beams having support formations extending therealong, the edge beams being adapted to be fixed to respective opposite ones of the roadway sections and
- crossbeams spacing features fixed on at least some of the crossbeams and co-operating with the intermediate beams for evenly spacing the latter.
- the crossbeams will be of uniform length, whereby their angle with respect to the edge beams is determined by the separation of the edge beams and they are maintained parallel.
- the support formations are open, circular section grooves; and the crossbeams have spherical ends which fit the grooves.
- the grooves may be supplemented by support lips abutting the underside of the crossbeams, particularly where the edge beams are not expected to rise and fall with respect to each other.
- the spacing features are cams fixed to the crossbeams and acting on the intermediate beams.
- the cams may be fixed to the top of the crossbeams; in the preferred embodiment, they are fixed to the bottom of the crossbeams.
- the intermediate beams have apertures through which the crossbeams extend, with the cams acting on bottom portions of the intermediate beams.
- Figure 1 is a cross-sectional side view of a bridge joint of the invention.
- Figure 2 is an underside view of the bridge joint of Figurel .
- the bridge joint 1 shown in the drawings is set between two adjacent bridge roadway sections 2,3, which are liable to move by a small amount with respect to each other.
- the joint has steel edge beams 4,5 arranged at the edge of the concrete C of the roadway sections.
- Each edge beam has a central section 6, which is generally square in cross-section, a horizontal flange 7, which is cast into the concrete and a vertical flange 8, which edges the concrete.
- the central section has a circular cross- section groove 9, which opens towards the gap G between the roadway sections and the opposite edge beam.
- Cross beams 10 are regularly spaced along the length of the joint, i.e. across the width of the roadway. They are of square section mild steel tube, with a stainless steel sheath 12 to improve their bearing qualities.
- a spherical steel ball 14 is fixed, as by welding or pinning. The balls are sized to fit in the groove 9.
- the angle which the crossbeams make with the edge beams is determined by the fixed length L of the crossbeams between the balls and the variable separation S of the edge beams. Whilst the edge beams remain parallel, the crossbeams will also remain parallel.
- a number of spacer balls 15 is arranged in each groove 9 between each adjacent pair of crossbeam balls 14.
- the crossbeams support a number, three as shown, of intermediate roadway beams 20. They are of general I-beam shape, with small grooves 21 in their heads 22. The edge flanges 8 of the edge beams also have such small grooves 21. Via these a diaphragm seal 23 is connected between each adjacent pair of roadway beams. These seals exclude water and dirt from the parts of the joint beneath them.
- the heads of the roadway beams provide the roadway surface between the concrete of the roadway sections 2,3. Feet 24 of the intermediate beams rest on the crossbeams. These transfer road loads to the edge beams via the balls 14 and lips 16 at the lower side of the mouth of the grooves 9.
- cams 17 are fixed to the underside of the crossbeams 10. They act against lower extensions 25 of the beams 20, the extensions being fitted to the beams after laying of them on the crossbeams.
- the joint is thus a coherent structure, which has a variable width.
- the cams are so shaped as to define a gap therebetween which is the same size as the thickness extensions 25, regardless of the angle ⁇ .
- the number of intermediate beams can vary. Since the intermediate roadway beams are stiff, the cams need not be provided on each crossbeam. The cams can be provided above the crossbeams, acting against the webs of the intermediate beams, if there is insufficient space for them to act against the beams' feet. For applications where little relative rise/fall is expected, the balls can be replaced by short studs, with flat bottoms bearing against flat bottoms to the grooves in the edge beams.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU52369/00A AU5236900A (en) | 1999-06-18 | 2000-06-08 | Bridge joint |
EP00937078A EP1187954A1 (en) | 1999-06-18 | 2000-06-08 | Bridge joint |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9914186.3 | 1999-06-18 | ||
GBGB9914186.3A GB9914186D0 (en) | 1999-06-18 | 1999-06-18 | Bridge joint |
US14382099P | 1999-07-14 | 1999-07-14 | |
US60/143,820 | 1999-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000079055A1 true WO2000079055A1 (en) | 2000-12-28 |
Family
ID=26315677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2000/002224 WO2000079055A1 (en) | 1999-06-18 | 2000-06-08 | Bridge joint |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1187954A1 (en) |
AU (1) | AU5236900A (en) |
WO (1) | WO2000079055A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002090661A1 (en) | 2001-05-04 | 2002-11-14 | Seamus Michael Delvin | Bridge joint |
AT514036A1 (en) * | 2013-02-19 | 2014-09-15 | Tech Universität Wien | Road junction device |
EP2982797A1 (en) * | 2014-07-30 | 2016-02-10 | Tecno K Giunti S.r.l. | Structural joint |
CN111305059A (en) * | 2020-04-17 | 2020-06-19 | 衡水旗舰桥隧橡塑有限公司 | Two-fold type multidirectional displacement expansion joint |
CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104532741A (en) * | 2014-12-25 | 2015-04-22 | 贵州省交通规划勘察设计研究院股份有限公司 | Modular telescopic device with adjustable annular steel |
CN111305060A (en) * | 2020-04-21 | 2020-06-19 | 衡水旗舰桥隧橡塑有限公司 | Rotary rod type multidirectional displacement bridge expansion device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880540A (en) * | 1971-03-08 | 1975-04-29 | Brown Co D S | Modular expansion joint |
US4030156A (en) * | 1976-08-16 | 1977-06-21 | A. J. Harris & Sons, Inc. | Bridge expansion joint |
-
2000
- 2000-06-08 AU AU52369/00A patent/AU5236900A/en not_active Abandoned
- 2000-06-08 WO PCT/GB2000/002224 patent/WO2000079055A1/en not_active Application Discontinuation
- 2000-06-08 EP EP00937078A patent/EP1187954A1/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880540A (en) * | 1971-03-08 | 1975-04-29 | Brown Co D S | Modular expansion joint |
US4030156A (en) * | 1976-08-16 | 1977-06-21 | A. J. Harris & Sons, Inc. | Bridge expansion joint |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002090661A1 (en) | 2001-05-04 | 2002-11-14 | Seamus Michael Delvin | Bridge joint |
AT514036A1 (en) * | 2013-02-19 | 2014-09-15 | Tech Universität Wien | Road junction device |
AT514036B1 (en) * | 2013-02-19 | 2015-03-15 | Tech Universität Wien | Road junction device |
US9957676B2 (en) | 2013-02-19 | 2018-05-01 | Technische Universität Wien | Roadway joint device |
EP2982797A1 (en) * | 2014-07-30 | 2016-02-10 | Tecno K Giunti S.r.l. | Structural joint |
CN111305059A (en) * | 2020-04-17 | 2020-06-19 | 衡水旗舰桥隧橡塑有限公司 | Two-fold type multidirectional displacement expansion joint |
CN111676811A (en) * | 2020-05-26 | 2020-09-18 | 尉氏县通达公路养护工程有限公司 | Bridge expansion joint device |
Also Published As
Publication number | Publication date |
---|---|
EP1187954A1 (en) | 2002-03-20 |
AU5236900A (en) | 2001-01-09 |
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