CN113463508A - Anti-cracking bridge deck expansion joint device and construction method - Google Patents
Anti-cracking bridge deck expansion joint device and construction method Download PDFInfo
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- CN113463508A CN113463508A CN202110846099.7A CN202110846099A CN113463508A CN 113463508 A CN113463508 A CN 113463508A CN 202110846099 A CN202110846099 A CN 202110846099A CN 113463508 A CN113463508 A CN 113463508A
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- joint device
- rigid coupling
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- 238000005336 cracking Methods 0.000 title claims abstract description 19
- 238000010276 construction Methods 0.000 title claims abstract description 10
- 238000004873 anchoring Methods 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 230000003139 buffering effect Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anti-cracking bridge deck expansion joint device and a construction method thereof, wherein the anti-cracking bridge deck expansion joint device comprises a left side beam, a right side beam and anchoring ribs fixedly connected to the left side beam and the right side beam, the anchoring ribs are positioned at the sides, far away from each other, of the left side beam and the right side beam, a first middle beam and a second middle beam which are parallel to each other are arranged between the left side beam and the right side beam, a middle buffer belt is fixedly connected between the first middle beam and the second middle beam, a left buffer belt is fixedly connected between the first middle beam and the left side beam, and a right buffer belt is fixedly connected between the second middle beam and the right side beam. This application has the effect that adapts to the bridge that has great displacement ability.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to an anti-cracking bridge deck expansion joint device and a construction method.
Background
At present, a plurality of expansion joint devices are generally arranged on a large bridge and used for adjusting displacement and connection between upper structures caused by vehicle load and bridge building materials, so that the occurrence probability of safety accidents is reduced. The expansion joint is used as an important connecting device between beams in a bridge structure, has special functions and functions in the bridge structure, and is a weak link in engineering failure.
In the related art, chinese patent No. CN208136715U discloses an elastic expansion joint device for a bridge, which comprises a left top plate, a concave pipe, a support plate, a connection plate, a buffer seat, a bottom plate, a truss, and a right top plate, wherein the right end of the left top plate is parallel to the left end of the right top plate, the concave pipe penetrates through the left top plate, the upper end of the support plate is attached to the lower end of the connection plate, and the upper end of the buffer seat is connected to the lower end of the left top plate.
With respect to the related art in the above, the inventors consider that: the expansion joint is mainly formed by processing steel and a spring as main materials, and cannot be well adapted to a bridge with large displacement capacity.
Disclosure of Invention
In order to adapt to the bridge with great displacement capacity, the application provides an anti-cracking bridge deck expansion joint device and a construction method.
The application provides a pair of crack control type bridge floor expansion joint device adopts following technical scheme:
the utility model provides a crack control type bridge face expansion joint device, includes left boundary beam, right roof beam and the anchor muscle of rigid coupling on left boundary beam and right roof beam, the anchor muscle is located one side that left boundary beam and right roof beam kept away from each other, left side beam with be provided with the centre sill one and the centre sill two that are parallel to each other between the right roof beam, centre sill one with the rigid coupling has middle buffering area between the centre sill two, centre sill one with the rigid coupling has left buffering area between the left side roof beam, centre sill two with the rigid coupling has right buffering area between the right roof beam.
Through adopting above-mentioned technical scheme, because be provided with centre sill one and centre sill two between the left boundary beam of both sides and the right roof beam, can enlarge the interval between left boundary beam and the right roof beam for the expansion joint device has great ability of shifting, and all is provided with the buffering area between left boundary beam and the centre sill one, between centre sill one and the centre sill two, between right roof beam and the centre sill two, and then can improve the cushioning effect at expansion joint.
Preferably, the side wall of the left side beam close to one side of the middle beam, the side wall of the right side beam close to one side of the middle beam, the side walls of the two sides of the middle beam and the side walls of the two sides of the middle beam are respectively provided with an edge connecting groove, and the upper side wall and the lower side wall of each edge connecting groove are respectively provided with a connecting groove; the middle buffer area the left side buffer area and the structure in right side buffer area is unanimous, and the buffer area is including left joint area and right joint area, the rigid coupling that is parallel to each other in the last connecting band and the lower connecting band between left joint area and right joint area, left side joint area with right joint area is located corresponding limit respectively and connects in the groove, and the side in joint area is inserted and is located in the spread groove.
Through adopting above-mentioned technical scheme, when installing the buffering area, put into the limit with the joint area on the buffering area and connect the inslot, then insert the last topside and the lower base of joint area respectively and locate the limit and connect the spread groove of groove upper sidewall and the limit and connect the spread groove of groove downside in, and then can install fixedly the buffering area.
Preferably, the middle parts of the upper connecting belt and the lower connecting belt are bent towards the middle part of the buffer belt.
Through adopting above-mentioned technical scheme, all set up the middle part of upper junction band and lower connecting band to bend to the middle part of buffer zone, can guide the deformation of buffer zone, and then guarantee that the buffer zone can carry out deformation according to predetermined shape.
Preferably, go up the connecting band both sides respectively with left side joint area and the rigid coupling has slope strip one between the right side joint area, down the connecting band both sides respectively with left side joint area and the rigid coupling has slope strip two between the right side joint area.
Through adopting above-mentioned technical scheme, utilize slope strip one and slope strip two, can guarantee the steadiness between upper connecting band and the left joint area and between lower connecting band and the right joint area.
Preferably, the first lateral wall that is close to left side roof beam one side of centre sill and the second lateral wall that is close to right roof beam one side of centre sill is provided with props a mechanism, prop a mechanism including connecting backup pad, rotation on left side roof beam and right roof beam lateral wall and set up in the backup pad and prop a piece, prop a piece including rotating the eccentric arc board of centre circle and the central symmetry rigid coupling in centre circle outer peripheral face that sets up in the backup pad.
Through adopting above-mentioned technical scheme, when needs peg graft the buffer zone in the spread groove, can rotate and prop a piece, prop the rotation that a piece and can make the eccentric arc board in both sides contradict respectively on the left joint area in buffer zone and right joint area take, can be so that left joint area and right joint area keep away from each other, and then can be convenient for strutting of buffer zone.
Preferably, prop a mechanism still including rotating the rotation post that sets up in the backup pad, centre circle coaxial coupling is on rotating the post, the top surface of rotating the post has seted up the hexagonal hole, seted up on the buffer band with rotate the coaxial through hole of post.
Through adopting above-mentioned technical scheme, operating personnel can utilize hexagonal instrument to pass the through-hole and insert in the hexagonal hole, then rotate the rotation post, can be so that prop a piece and rotate, and then the operating personnel of being convenient for operates and prop a mechanism.
Preferably, prop a length direction evenly distributed that the mechanism was provided with a plurality of and followed the buffering area, prop a mechanism still include coaxial coupling in gear, the rack that slides and set up in the backup pad on the rotation post, the rack with gear engagement, the length direction of rack is unanimous with the length direction in buffering area, is connected with the connecting rod between two adjacent racks.
Through adopting above-mentioned technical scheme, rotate one of them rotation post, can drive rather than coaxial coupling's gear revolve, gear revolve can drive the rack translation, the translation of rack can drive rather than each gear revolve of meshing, and then can drive a plurality of and prop a piece and rotate simultaneously.
Preferably, a first strip-shaped hole is formed in the first middle beam and a first strip-shaped hole is formed in the second middle beam, the supporting plates penetrate the first strip-shaped holes, one side, far away from the bracing piece, of the middle beam is fixedly connected to a connecting plate connected to each supporting plate, and the connecting plate is fixedly connected to the side wall of the middle beam.
Through adopting above-mentioned technical scheme, when prefabricated expansion joint device, earlier put into between the roof beam of both sides the buffer zone, then will prop a mechanism and pass bar hole one and buffer zone, until deep in the buffer zone, then utilize the connecting plate will prop a mechanism and be fixed in on the lateral wall of roof beam, and then be convenient for prop an installation of mechanism.
The application also provides a construction method of the anti-cracking bridge deck expansion joint, which comprises the following steps:
s1: slotting a gap reserved between the beam bodies of two adjacent bridges, and processing sundries in the slot and the gap; s2: installing the expansion joint device in the groove, and welding the anchoring ribs in the expansion joint device with reserved reinforcing steel bars in a bridge body; s3: and inserting a hexagonal tool into the hexagonal hole through the through hole, and then rotating the hexagonal tool to rotate the stretching piece and stretch the buffer strip.
Through adopting above-mentioned technical scheme, only need operating personnel to pass the through hole with the hexagonal instrument to and insert in the hexagonal hole, then the rotation props a piece, and then can be with propping of buffering area and open to be convenient for operating personnel installation expansion joint device.
In conclusion, because be provided with centre sill one and centre sill two between the left side roof beam of both sides and the right roof beam, can enlarge the interval between left side roof beam and the right roof beam for the expansion joint device has great displacement ability, and all is provided with the buffering area between left side roof beam and the centre sill one, between centre sill one and the centre sill two, between right roof beam and the centre sill two, and then can improve the cushioning effect at expansion joint.
Drawings
Fig. 1 is an exploded view of an expansion joint device in the embodiment of the present application.
Fig. 2 is a partial schematic structural view of fig. 1, illustrating primarily the position of the distraction mechanism.
Fig. 3 is a partial structural schematic view of fig. 2, mainly illustrating an explosive structure of the stretching mechanism.
Description of reference numerals:
1. a left side beam; 2. a right side beam; 101. a side connecting groove; 102. connecting grooves; 3. anchoring ribs; 4. a first middle beam; 5. a middle beam II; 501. a first strip-shaped hole; 61. a middle buffer zone; 62. a left buffer zone; 63. a right buffer zone; 601. a left clamping belt; 6001. a through hole; 6002. a strip-shaped hole II; 602. a right clamping belt; 603. an upper connecting belt; 604. a lower connecting belt; 605. a first inclined strip; 606. a second inclined strip; 7. a bracing mechanism; 701. a connecting rod; 702. a connecting plate; 71. a support plate; 72. a bracing member; 721. a middle ring; 722. an eccentric arc plate; 73. rotating the column; 731. a hexagonal hole; 74. a gear; 75. a rack.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1, the expansion joint device for an anti-cracking bridge deck disclosed by the invention comprises a left side beam 1, a right side beam 2, anchoring ribs 3, a first middle beam 4, a second middle beam 5, a middle buffer strip 61, a left buffer strip 62 and a right buffer strip 63, wherein the left side beam 1 and the right side beam 2 are parallel to each other and respectively close to two sides of a gap between the two bridge beam bodies, a plurality of anchoring ribs 3 are arranged and fixedly connected to the side walls of the left side beam 1 and the right side beam 2 which are far away from each other, and the anchoring ribs 3 are used for being welded with reserved steel bars of the bridge beam bodies.
Referring to fig. 1, a first middle beam 4 and a second middle beam 5 are parallel to each other and are located between a left side beam 1 and a right side beam 2, the first middle beam 4 and the second middle beam 5 are symmetrically arranged on two sides of the middle portion between the left side beam 1 and the right side beam 2, the first middle beam 4 is close to the left side beam 1, and the second middle beam 5 is close to the right side beam 2. The lateral wall that left boundary beam 1 is close to one side of centre sill 4, the lateral wall that right roof beam 2 is close to one side of centre sill two 5, all set up on the lateral wall of one 4 both sides of centre sill and the lateral wall of two 5 both sides of centre sill and have limit to connect groove 101, the length direction that the limit connects groove 101 is unanimous with the length direction of roof beam and runs through the terminal surface at roof beam both ends, the limit connects and has all seted up spread groove 102 on the lateral wall that groove 101 is close to the top surface and the bottom surface of roof beam, spread groove 102 runs through the terminal surface at roof beam both ends.
Referring to fig. 1, a center cushion 61 is positioned between the center sill one 4 and the center sill two 5, a left cushion 62 is positioned between the center sill one 4 and the left side sill 1, and a right cushion 63 is positioned between the center sill two 5 and the right side sill 2. Middle buffer zone 61, left buffer zone 62 and right buffer zone 63's structure is unanimous, and the buffer zone includes left joint area 601, right joint area 602, upper connecting band 603 and lower connecting band 604, left joint area 601 and right joint area 602 are parallel to each other, the joint area is located the limit connects in groove 101 and the last topside and the lower base in joint area insert respectively and locate in the spread groove 102 of limit connects groove 101 upper and lower both sides, upper connecting band 603 and lower connecting band 604 rigid coupling are between left joint area 601 and right joint area 602 of both sides, the interval between upper connecting band 603 and the lower connecting band 604 is less than the height of joint area, the middle part of upper connecting band 603 and lower connecting band 604 all bends to the middle part of buffer zone, can guide the deformation of buffer zone, and then guarantee that the buffer zone can deform according to predetermined shape. In addition, an inclined strip I605 is fixedly connected between the side edge of the upper connecting belt 603 close to one side of the upper connecting belt and the left clamping belt 601, an inclined strip II 606 is fixedly connected between the side edge of the lower connecting belt 604 close to one side of the upper connecting belt and the left clamping belt 601, and an inclined strip II 606 is fixedly connected between the side edge of the lower connecting belt 604 close to the other side of the lower connecting belt and the right clamping belt 602, and the stability between the upper connecting belt 603 and the left clamping belt and the stability between the lower connecting belt 604 and the right clamping belt 602 can be ensured by utilizing the inclined strip I605 and the inclined strip II 606.
Referring to fig. 1 and 2, the side wall of the first intermediate beam 4 close to the left side beam 1 and the side wall of the second intermediate beam 5 close to the right side beam 2 are provided with stretching mechanisms 7. A bar hole 501 has all been seted up at the middle part of first 4 and second 5 of centre sills, and the length direction of a bar hole 501 is unanimous with the length direction of roof beam, and two 6002 in bar hole have all been seted up on left buffering area 62 is close to the right joint area 602 of first 4 one sides of centre sills and the left joint area 601 that right buffering area 63 is close to two 5 one sides of centre sills.
Referring to fig. 3, the bracing and tensioning mechanisms 7 are provided in several groups and are uniformly distributed along the length direction of the beam, and the bracing and tensioning mechanisms 7 include a support plate 71, a bracing member 72, a rotating column 73, a gear 74 and a rack 75. One end of each support plate 71 in each group of the supporting mechanisms 7 penetrates through the first strip-shaped hole 501, one side, far away from the supporting mechanisms 7, of each first strip-shaped hole 501 is provided with a connecting plate 702, each connecting plate 702 is connected with each support plate 71, and the connecting plates 702 are connected to the side walls of the beams through bolts; the bracing piece 72 comprises a middle ring 721, eccentric arc plates 722 and a rotating column 73, wherein the rotating column 73 is rotatably arranged on the top surface of the supporting plate 71 far away from the first strip-shaped hole 501, a hexagonal hole 731 is formed in the top surface of the rotating column 73, the middle ring 721 is coaxially connected to the rotating column 73, the eccentric arc plates 722 are arranged in two and are centrosymmetrically arranged on the peripheral surface of the middle ring 721, and the middle ring 721 and the eccentric arc plates 722 are integrally formed; the gear 74 is coaxially connected to the rotating column 73, and the gear 74 is positioned below the eccentric arc plate 722; the racks 75 are slidably disposed on the support plate 71, the sliding direction of the racks 75 is the same as the length direction of the beam, the racks 75 are engaged with the gears 74, and a connecting rod 701 is connected between two adjacent racks 75.
When prefabricating the expansion joint device, put into between the roof beam of both sides earlier the buffer zone, then will prop a mechanism 7 and pass bar hole one 501 and bar hole two 6002 until going deep into the buffer zone, then utilize connecting plate 702 will prop a mechanism 7 and be fixed in on the lateral wall of roof beam, and then be convenient for prop the installation of a mechanism 7.
When needing to peg graft the buffering area in spread groove 102, operating personnel can utilize hexagonal instrument to pass through hole 6001 and insert in hexagonal hole 731, then rotate and rotate post 73, can make prop a piece 72 and rotate, prop a rotation of piece 72 and can make the eccentric arc plate 722 in both sides contradict respectively on the left joint area 601 and the right joint area 602 in buffering area, can make left joint area 601 and right joint area 602 keep away from each other, and then can be convenient for strutting of buffering area.
The application embodiment an implementation principle of crack control type bridge face expansion joint device does: because be provided with intermediate beam one 4 and intermediate beam two 5 between the left side roof beam 1 of both sides and the right roof beam 2, can enlarge the interval between left side roof beam 1 and the right roof beam 2 for the expansion joint device has great displacement ability, and all is provided with the buffering area between left side roof beam 1 and the intermediate beam one 4, between intermediate beam one 4 and the intermediate beam two 5, between right roof beam 2 and the intermediate beam two 5, and then can improve the cushioning effect at expansion joint.
The invention also discloses a construction method of the anti-cracking bridge deck expansion joint, which comprises the following steps:
s1: slotting a gap reserved between the beam bodies of two adjacent bridges, and processing sundries in the slot and the gap;
s2: installing an expansion joint device in the groove, and welding an anchoring rib 3 in the expansion joint device with a reserved steel bar in the bridge body;
s3: a hexagonal tool is inserted through the through-hole 6001 and into the hexagonal hole 731, and then the hexagonal tool is rotated so that the tension member 72 is rotated and the buffer strip is expanded.
The implementation principle of the construction method for the anti-cracking bridge deck expansion joint in the embodiment of the application is as follows: only need operating personnel to pass through hole 6001 with the hexagonal instrument, and insert in hexagonal hole 731, then the rotatory piece 72 that props, and then can be with propping of buffering area open to the operating personnel installation expansion joint device of being convenient for.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an anti cracking type bridge face expansion joint device, includes anchor muscle (3) on left boundary beam (1) and right roof beam (2) of left boundary beam (1), right roof beam (2) and rigid coupling, anchor muscle (3) are located one side of keeping away from each other of left boundary beam (1) and right roof beam (2), its characterized in that: left side roof beam (1) with be provided with the centre sill that is parallel to each other (4) and centre sill two (5) between right side roof beam (2), centre sill one (4) with the rigid coupling has middle buffering area (61) between centre sill two (5), centre sill one (4) with the rigid coupling has left buffering area (62) between left side roof beam (1), centre sill two (5) with the rigid coupling has right buffering area (63) between right side roof beam (2).
2. An anti-cracking bridge deck expansion joint device according to claim 1, characterized in that: the side wall of one side, close to the first middle beam (4), of the left side beam (1), the side wall of one side, close to the second middle beam (5), of the right side beam (2), the side walls of two sides of the first middle beam (4) and the side walls of two sides of the second middle beam (5) are respectively provided with an edge connecting groove (101), and the upper side wall and the lower side wall of each edge connecting groove (101) are respectively provided with a connecting groove (102); middle buffer area (61) left side buffer area (62) and the structure of right side buffer area (63) is unanimous, and the buffer area is including left joint area (601) and right joint area (602), the rigid coupling that is parallel to each other connecting band (603) and lower connecting band (604) between left joint area (601) and right joint area (602), left side joint area (601) with right joint area (602) are located corresponding limit respectively and connect in groove (101), and the side in joint area is inserted and is located in spread groove (102).
3. An anti-cracking bridge deck expansion joint device according to claim 2, characterized in that: the middle parts of the upper connecting belt (603) and the lower connecting belt (604) are bent towards the middle part of the buffer belt.
4. An anti-cracking bridge deck expansion joint device according to claim 2, characterized in that: go up connecting band (603) both sides respectively with left side joint area (601) and the rigid coupling has slope strip one (605) between right side joint area (602), down connecting band (604) both sides respectively with left side joint area (601) and the rigid coupling has slope strip two (606) between right side joint area (602).
5. An anti-cracking bridge deck expansion joint device according to claim 1, characterized in that: middle roof beam (4) be close to the lateral wall of left side roof beam (1) one side and the lateral wall that middle roof beam two (5) are close to right side roof beam (2) one side is provided with props a mechanism (7), prop a mechanism (7) including connecting backup pad (71) on left side roof beam (1) and right roof beam (2) lateral wall, rotate and set up propping on backup pad (71) and open a piece (72), prop and open a piece (72) including rotating middle circle (721) and the eccentric arc board (722) of centre symmetry rigid coupling on middle circle (721) outer peripheral face that sets up on backup pad (71).
6. An anti-cracking bridge deck expansion joint device according to claim 5, wherein: prop a mechanism (7) and still including rotating rotation post (73) that sets up on backup pad (71), centre circle (721) coaxial coupling is on rotating post (73), hexagonal hole (731) have been seted up to the top surface of rotating post (73), seted up on the buffer band with rotate coaxial through hole (6001) of post (73).
7. An anti-cracking bridge deck expansion joint device according to claim 5, wherein: prop a length direction evenly distributed that mechanism (7) was provided with a plurality of and followed the buffering area, prop a mechanism (7) still include coaxial coupling in gear (74), the rack (75) that set up in backup pad (71) of sliding on rotation post (73), rack (75) with gear (74) meshing, the length direction in rack (75) is unanimous with the length direction in buffering area, is connected with connecting rod (701) between two adjacent racks (75).
8. An anti-cracking bridge deck expansion joint device according to claim 7, wherein: middle beam one (4) with all seted up bar hole one (501) on middle beam two (5), backup pad (71) are passed bar hole one (501), one side rigid coupling in connecting plate (702) of each backup pad (71) that props a piece (72) is kept away from to the middle beam, connecting plate (702) rigid coupling is on the lateral wall of middle beam.
9. An anti-cracking bridge deck expansion joint construction method according to any one of claims 1 to 8, characterized by comprising the following steps:
s1: slotting a gap reserved between the beam bodies of two adjacent bridges, and processing sundries in the slot and the gap;
s2: installing the expansion joint device in the groove, and welding the anchoring rib (3) in the expansion joint device with a reserved steel bar in a bridge body;
s3: inserting a hexagonal tool through the through hole (6001) and into the hexagonal hole (731), and then rotating the hexagonal tool to rotate the expanding member (72) and expand the cushioning strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846099.7A CN113463508A (en) | 2021-07-26 | 2021-07-26 | Anti-cracking bridge deck expansion joint device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110846099.7A CN113463508A (en) | 2021-07-26 | 2021-07-26 | Anti-cracking bridge deck expansion joint device and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113463508A true CN113463508A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110846099.7A Pending CN113463508A (en) | 2021-07-26 | 2021-07-26 | Anti-cracking bridge deck expansion joint device and construction method |
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| CN (1) | CN113463508A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH374381A (en) * | 1961-09-25 | 1964-01-15 | Sogerep S A | Sealing device for expansion joint |
| AU2002100856A4 (en) * | 2002-01-18 | 2003-06-12 | Martin James Dillon | A method of sealing building and civil engineering construction, expansion + contraction joints |
| CN103469727A (en) * | 2013-10-09 | 2013-12-25 | 湖南广和桥梁构件有限公司 | Bridge expansion joint trussed beam box |
| CN103469725A (en) * | 2013-09-06 | 2013-12-25 | 重庆交通大学 | Dislocated expansion joint structure of bridge structural breaking joint |
| CN108755777A (en) * | 2018-08-03 | 2018-11-06 | 中铁隆工程集团有限公司 | A kind of middle buried water stop with dispersion decompression function |
| CN113106880A (en) * | 2021-04-24 | 2021-07-13 | 李文超 | Reverse supporting device for bridge gap repair and implementation method thereof |
-
2021
- 2021-07-26 CN CN202110846099.7A patent/CN113463508A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH374381A (en) * | 1961-09-25 | 1964-01-15 | Sogerep S A | Sealing device for expansion joint |
| AU2002100856A4 (en) * | 2002-01-18 | 2003-06-12 | Martin James Dillon | A method of sealing building and civil engineering construction, expansion + contraction joints |
| CN103469725A (en) * | 2013-09-06 | 2013-12-25 | 重庆交通大学 | Dislocated expansion joint structure of bridge structural breaking joint |
| CN103469727A (en) * | 2013-10-09 | 2013-12-25 | 湖南广和桥梁构件有限公司 | Bridge expansion joint trussed beam box |
| CN108755777A (en) * | 2018-08-03 | 2018-11-06 | 中铁隆工程集团有限公司 | A kind of middle buried water stop with dispersion decompression function |
| CN113106880A (en) * | 2021-04-24 | 2021-07-13 | 李文超 | Reverse supporting device for bridge gap repair and implementation method thereof |
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Application publication date: 20211001 |