CN112252189B - Bridge expansion joint concrete curing means - Google Patents
Bridge expansion joint concrete curing means Download PDFInfo
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- CN112252189B CN112252189B CN202011038443.1A CN202011038443A CN112252189B CN 112252189 B CN112252189 B CN 112252189B CN 202011038443 A CN202011038443 A CN 202011038443A CN 112252189 B CN112252189 B CN 112252189B
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- water pipe
- expansion joint
- protective cover
- longitudinal water
- top plate
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
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- Civil Engineering (AREA)
- Health & Medical Sciences (AREA)
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
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Abstract
The invention relates to a bridge expansion joint maintenance device which is characterized by comprising geotextile, a protection component and a dripping component, wherein the protection component comprises a plurality of protection covers which are detachably connected; the protective cover comprises a top plate, an inclined supporting plate and a supporting plate, wherein the inclined supporting plate inclines downwards from one side of the top plate to the side far away from the top plate; at least two supporting beams arranged along the width direction of the protective cover are arranged inside the protective cover, and two ends of each supporting beam are fixedly connected with the inclined supporting plates; the dripping component comprises a plurality of longitudinal water pipes and transverse water pipes; the longitudinal water pipe is positioned in the protective cover, the length direction of the longitudinal water pipe is arranged along the length direction of the protective cover, and the longitudinal water pipe axially penetrates through the supporting beam; the lower part of the longitudinal water pipe is provided with water dripping holes along the length direction; the transverse water pipe is communicated with a water storage barrel; when the concrete at the bridge expansion joint is maintained, repeated construction operation by workers is not needed, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of bridge expansion joint construction, in particular to a concrete curing device for a bridge expansion joint.
Background
A bridge expansion joint refers to a device usually provided between two beam ends, between a beam end and an abutment or at a hinge position of a bridge in order to meet the requirement of deformation of a bridge deck. After the bridge expansion joint is installed, concrete needs to be cast in place for fixing. The cast-in-place concrete curing at the expansion joint of the bridge is an important work for the construction of the expansion joint, the construction quality of the expansion joint is directly influenced, if the curing is not in place, the quality problems of insufficient strength, cracks and the like of the concrete at the expansion joint can occur, the service time limit of the expansion joint can be seriously influenced, and the expansion joint can fall off in severe cases.
For guaranteeing expansion joint department concrete curing targets in place in traditional construction, generally adopt to cover watering maintenance such as grass curtain, geotechnological cloth, during the closed traffic, the current inconvenient of past construction vehicle is unfavorable for the cross construction. If construction vehicles need to pass, steel plates are generally covered at the concrete position of the expansion joint; and after the vehicle passes through, removing the steel plate covered on the concrete at the expansion joint, and continuing to perform sprinkling maintenance on the concrete, so that the repeated workload is large.
Disclosure of Invention
The invention aims to provide a concrete curing device for a bridge expansion joint, which does not need repeated construction operation of workers when curing concrete at the bridge expansion joint and is convenient to operate.
The technical purpose of the invention is realized by the following technical scheme: a concrete curing device for a bridge expansion joint comprises geotextile used for covering concrete on two sides of the expansion joint, a protective component used for shielding the concrete at the expansion joint and a dripping component used for dripping and curing the concrete at the expansion joint, wherein the protective component comprises a plurality of protective covers which are detachably connected;
the protective cover comprises a top plate, an inclined supporting plate and a supporting plate, wherein the inclined supporting plate inclines downwards from one side of the top plate to the side far away from the top plate, and the supporting plate is positioned on one side of the inclined supporting plate to the side far away from the top plate; at least two supporting beams arranged along the width direction of the protective cover are arranged inside the protective cover, and two ends of each supporting beam are fixedly connected with the inclined supporting plate;
the dripping component comprises a plurality of longitudinal water pipes and transverse water pipes communicated with the longitudinal water pipes; the longitudinal water pipe is positioned in the protective cover, the length direction of the longitudinal water pipe is arranged along the length direction of the protective cover, and the longitudinal water pipe axially penetrates through the supporting beam; the lower part of the longitudinal water pipe is provided with a plurality of water dripping holes penetrating through the peripheral wall of the longitudinal water pipe along the length direction; the transverse water pipe is communicated with a water storage barrel for storing water for maintenance.
According to the technical scheme, the geotextile is laid and covered at the concrete position of the bridge expansion joint; the protective cover is arranged along the length direction of the expansion joint of the bridge, so that concrete at the expansion joint is protected when a vehicle passes through the expansion joint, and the vehicle is prevented from rolling the concrete at the expansion joint; the protective cover adopts a trapezoidal section and is supported by the supporting beam, so that a vehicle can easily run through the protective cover, the protective cover has good structural strength and is not easy to damage and deform; the longitudinal water pipe along the length direction of the expansion joint is arranged in the protective cover, and the longitudinal water pipe is communicated with the water storage barrel through the transverse water pipe; carry out the water storage through the water storage bucket and supply water, and then drip through the pore pair geotechnological cloth that drips of vertical water pipe lower part to can make things convenient for the efficient to carry out the maintenance to expansion joint department concrete.
Preferably, a flexible pad is fixed on the lower surface of the supporting plate.
Through above-mentioned technical scheme, set up the flexbleJoint through the lower surface at the backup pad, can cushion the shock attenuation by the flexbleJoint, produced vibration noise when reducing the vehicle and driving over the safety cover.
Preferably, one side of the flexible pad close to the top plate is provided with a clamping groove for inserting the geotextile.
Through above-mentioned technical scheme, through set up the tight groove of clamp in one side that the flexible pad is close to the roof, insert the centre gripping groove with the both sides of geotechnological cloth and compress tightly the location, make geotechnological cloth keep flat state of exhibition to avoid geotechnological cloth to produce in the use and curl.
Preferably, a plurality of positioning grooves are formed in the surface of one end of the protection cover, and a plurality of positioning blocks used for being connected with the positioning grooves in an inserting mode are fixed on the surface of the end, corresponding to the protection cover.
Through above-mentioned technical scheme, through setting up locating piece and constant head tank on the safety cover, and then when splicing a plurality of safety covers, can convenient and fast connect the location to the safety cover.
Preferably, the upper surface of the positioning block is provided with a mounting hole penetrating through the positioning block, the bottom of the positioning groove is provided with a threaded hole, and a step hole for accommodating a bolt is arranged right above the threaded hole; when the positioning block is inserted into the positioning groove; the stepped bore, the mounting bore and the threaded bore are axially aligned.
Through above-mentioned technical scheme, through the comprehensive setting of mounting hole, stepped hole and screw hole, and then can be connected fixedly adjacent safety cover through using the bolt with the screw hole meshing to prevent when the vehicle is gone, produce relative movement between the safety cover.
Preferably, the circumferential surface of the transverse water pipe is provided with a plurality of connecting ports for being spliced with the longitudinal water pipe, and the connecting ports are fixedly provided with rubber sealing sleeves.
Through above-mentioned technical scheme, vertical water pipe is through setting up the connector on horizontal water pipe, and is continuous with horizontal water pipe to through the leakproofness of rubber seal cover reinforcing connector department, thereby can convenient and fast install vertical water pipe in the safety cover, and link to each other vertical water pipe and horizontal water pipe.
Preferably, the longitudinal water pipe comprises a plurality of sub-pipe bodies detachably connected, a threaded connector is arranged at one end of each sub-pipe body, and a connecting internal thread meshed with the threaded connector is arranged at the other end of each sub-pipe body.
Through above-mentioned technical scheme, vertical water pipe comprises a plurality of sub-body to when not assembling vertical water pipe, conveniently remove the transportation to vertical water pipe, the sub-body carries out the mutual installation fixedly through the threaded connection head at both ends and connection internal thread, thereby can convenient and fast assemble vertical water pipe.
Preferably, a throttle valve for regulating the flow of water flow passing through is arranged on the transverse water pipe.
Through above-mentioned technical scheme, through set up the choke valve on horizontal water pipe, and then can adjust horizontal water pipe through the flow through the choke valve to the maintenance water consumption to expansion joint department concrete is controlled and is adjusted.
Preferably, the upper surface of the top plate is provided with a holding tank, a hanging ring is arranged in the holding tank, and the hanging ring is hinged to the top plate around the horizontal axis.
According to the technical scheme, the upper surface of the top plate is provided with the accommodating groove, and the hanging ring is arranged in the accommodating groove; and then when needs remove the safety cover, take out rings from holding the groove rotation, and then can use lifting device, convenient and fast hoists the safety cover and removes.
Preferably, the cross section of the support beam is I-shaped.
According to the technical scheme, the supporting beam with the I-shaped cross section is adopted, the middle part of the supporting beam is thinner, and the supporting beam is convenient to punch, so that the longitudinal water pipe can axially penetrate through the supporting beam; and the I-shaped cross section enables the upper part of the supporting beam to have a larger supporting area for the fixed plate, so that the protective cover can be well supported.
In summary, the invention has the following advantages:
1. the transversely arranged support beams are matched with the protective covers with trapezoidal sections to protect concrete at the expansion joints, so that vehicles can pass through directly; through set up along the vertical water pipe of safety cover length in the guard shield, supply water to vertical water pipe through the water storage bucket, and then the cooperation covers geotechnological cloth on expansion joint department concrete and maintains expansion joint department concrete to when maintaining expansion joint department concrete, need not remove protection component, need not to be under construction repeatedly, convenient operation is swift.
2. The flexible pad is arranged on the lower surface of the supporting plate, the flexible pad can buffer and absorb shock, vibration noise generated when a vehicle drives over the protective cover is reduced, the clamping groove is formed in one side, close to the top plate, of the flexible pad, the two sides of the geotextile are inserted into the clamping groove to be compressed and positioned, the geotextile is enabled to be kept in a flat state, and curling of the geotextile in the using process is avoided.
3. The protective covers are detachably connected, the positioning blocks are oppositely positioned through being inserted into the positioning grooves, and the protective covers are fixedly connected through bolts, so that the protective covers can be conveniently and quickly assembled and disassembled; and set up the holding tank and set up the couple on the roof of safety cover, and then it is more convenient to utilize the hanging ring to remove the safety cover.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a concrete curing device for bridge expansion joints.
Fig. 2 is a schematic structural view of the shield assembly.
FIG. 3 is a schematic view of the structure of the support beam.
Fig. 4 is a schematic structural view showing a geotextile installation structure.
Fig. 5 is a partial enlarged view of D in fig. 2.
Fig. 6 is a schematic structural view showing a connection relationship between adjacent protection covers.
Fig. 7 is a schematic structural view showing a structure for connecting a longitudinal water pipe and a transverse water pipe.
Fig. 8 is a schematic structural view showing a connection relationship between sub-pipes.
Wherein, 1, geotextile; 2. a guard assembly; 21. a protective cover; 211. a top plate; 2111. accommodating grooves; 2112. a hoisting ring; 212. a diagonal bracing plate; 213. a support plate; 214. positioning blocks; 2141. mounting holes; 215. positioning a groove; 216. a threaded hole; 217. a stepped bore; 22. a support beam; 23. a flexible pad; 231. a clamping groove; 3. a drip assembly; 31. a longitudinal water pipe; 311. a water dripping hole; 312. a sub-tube body; 313. a threaded connector; 314. connecting the internal threads; 32. a transverse water pipe; 321. a connecting port; 33. a water storage barrel; 34. a throttle valve; 35. and (4) sealing rubber sleeves.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b):
a concrete curing device for bridge expansion joints, hereinafter referred to as curing device, refers to fig. 1 and 2, and comprises geotextile 1, a protective component 2 and a dripping component 3. The shielding assembly 2 comprises a plurality of protective covers 21. In the figure, A is a foundation, B is a bridge expansion joint, and C is concrete at the expansion joint. When using curing means to carry out the maintenance to expansion joint department concrete, cover geotechnological cloth 1 on bridge expansion joint department concrete, and then set up safety cover 21 along expansion joint length direction, adjacent safety cover 21 splices mutually. Shelter from the protection through protection subassembly 2 to expansion joint department concrete, and then prevent that past vehicle from rolling expansion joint department concrete. The dripping component 3 is used for dripping the geotextile 1 covering the concrete at the expansion joint, and then curing the concrete at the expansion joint.
Referring to fig. 1 and 3, the drip assembly 3 includes a plurality of longitudinal water tubes 31 and transverse water tubes 32 communicating with the respective longitudinal water tubes 31. The longitudinal water pipe 31 is positioned in the protective cover 21, the longitudinal water pipe 31 is arranged along the longitudinal direction of the protective cover 21, and a plurality of water dripping holes 311 penetrating through the peripheral wall of the longitudinal water pipe 31 are formed in the lower part of the longitudinal water pipe 31 along the longitudinal direction. The support beam 22 is provided with a through hole penetrating the support beam 22, and the longitudinal water pipe 31 axially penetrates the support beam 22 through the through hole. The cross section of the supporting beam 22 is I-shaped, the supporting beam 22 with the I-shaped cross section is adopted, the middle part of the supporting beam 22 is thinner, the supporting beam 22 is convenient to punch, and therefore the longitudinal water pipe 31 can axially penetrate through the supporting beam 22; and the I-shaped cross section enables the upper part of the supporting beam 22 to have a larger supporting area for the fixed plate, thereby being capable of supporting the protective cover 21 well.
Referring to fig. 1 and 3, a water storage tank 33 for storing maintenance water is communicated with the horizontal water pipe 32, and a throttle valve 34 for adjusting the flow rate of passing water is provided on the horizontal water pipe 32. The water storage barrel 33 stores the maintenance water, the water flows to each longitudinal water pipe 31 through the transverse water pipe 32, and then the geotextile 1 is dripped and humidified through the water dripping holes 311 at the lower part of the longitudinal water pipe 31, so that the concrete at the expansion joint is maintained. The throttle valve 34 is adjusted to adjust the amount of water for maintenance.
Referring to fig. 2 and 3, the protective cover 21 includes a top plate 211, a gusset 212, and a support plate 213. The inclined strut plate 212 is inclined downwards from the top plate 211 side to the side away from the top plate 211, and the support plate 213 is positioned at the side of the inclined strut plate 212 away from the top plate 211. The top plate 211, the inclined strut plate 212, and the strut plate 213 are made of steel plates, and they are connected and fixed by welding. The top plate 211 and the support plate 213 are parallel to each other, and when the protective cover 21 is used, the support plate 213 is supported in contact with the ground, and at this time, the support plate 213 and the top plate 211 are in a horizontal state. The inside of safety cover 21 is provided with two at least supporting beams 22 that set up along safety cover 21 width direction, and supporting beam 22's both ends and inclined strut plate 212 fixed connection, supporting beam 22 adopt the I-steel preparation to form, have good structural strength, easily draw materials. The protective cover 21 has a trapezoidal cross section and is supported by the support beams 22, so that the protective cover 21 has excellent structural strength and is less likely to be deformed during use. And the protective cover 21 adopts a trapezoidal sectional structure so that the vehicle can easily pass through the protective cover 21.
Referring to fig. 3 and 4, a flexible pad 23 is fixed to a lower surface of the support plate 213, and the flexible pad 23 is made of rubber. One side of the flexible pad 23 close to the top plate 211 is provided with a clamping groove 231 for inserting the geotextile 1. By the arrangement of the flexible pad 23, the support plate 213 is not in direct contact with the ground, and the protective cover 21 is in flexible contact with the ground, so that the vibration generated by the protective cover 21 is reduced when the vehicle passes through the protective cover 21. When using geotechnique's cloth 1, insert the both sides of geotechnique's cloth in pressing from both sides tight groove 231, utilize the elastic tension of flexible pad 23 self, press from both sides tight geotechnique's cloth 1 to flatten geotechnique's cloth 1, prevent that geotechnique's cloth 1 from producing in the use and curl.
Referring to fig. 2 and 5, an accommodating groove 2111 is formed in the upper surface of the top plate 211, a hanging ring 2112 is disposed in the accommodating groove 2111, and the hanging ring 2112 is hinged to the top plate 211 around a horizontal axis. When assembling protection component 2, perhaps need carry out the split to safety cover 21 and remove, rotate rings 2112 from accommodating groove 2111 and take out, carry out the hook through using lifting device to rings 2112, and then can convenient and fast carry out the hoist and mount removal to safety cover 21.
Referring to fig. 2 and 6, a plurality of positioning grooves 215 are formed in one end surface of the protection cover 21, and a plurality of positioning blocks 214 for being inserted into the positioning grooves 215 are fixed on one end surface of the protection cover 21. In this embodiment, a positioning block 214 is fixed to the end surface of the supporting plate 213 at one end of the top plate 211 and at both sides of the top plate 211. The upper surface of the positioning block 214 is provided with a mounting hole 2141 penetrating through the positioning block 214, the bottom of the positioning groove 215 is provided with a threaded hole 216, and a stepped hole 217 for accommodating a bolt is arranged right above the threaded hole 216. When the positioning block 214 is inserted into the positioning slot 215; the stepped bore 217, the mounting bore 2141, and the threaded bore 216 are axially aligned. When the shield assembly 2 is assembled, the positioning block 214 is inserted into the positioning groove 215 between the adjacent shield shells 21, so that the stepped hole 217, the mounting hole 2141 and the threaded hole 216 are axially aligned, and the adjacent shield shells 21 are connected and fixed by using the connecting bolt in threaded engagement with the threaded hole 216. Connect adjacent safety cover 21 fixedly through using the bolt, and then prevent the protection subassembly in the use, produce relative displacement between the adjacent safety cover 21, and then the protection to expansion joint department concrete is influenced.
Referring to fig. 7, a plurality of connection ports 321 for being inserted into the longitudinal water pipes 31 are formed on the circumferential surface of the horizontal water pipe 32, and a rubber sealing sleeve 35 is fixed to the connection ports 321. When the drip module 3 is assembled, the longitudinal water pipe 31 is inserted into the connection port 321 of the lateral water pipe 32, and the longitudinal water pipe 31 is communicated with the lateral water pipe 32. The rubber sealing sleeve 35 is tightly attached to the peripheral wall of the longitudinal water pipe 31, so that the sealing performance at the connecting port 321 is guaranteed. The longitudinal water pipe 31 is connected with the transverse water pipe 32 through insertion, so that the longitudinal water pipe 31 can be conveniently and quickly connected with the transverse water pipe 32.
Referring to fig. 8, the longitudinal water pipe 31 includes a plurality of sub-pipes 312 detachably connected, one end of the sub-pipe 312 is provided with a screw connector 313, and the other end of the sub-pipe 312 is provided with a connection female screw 314 threadedly engaged with the screw connector 313. When the length of the concrete at the expansion joint to be maintained is long, the longitudinal water pipe 31 needs to have a long overall length. Through splitting into several short sub-pipe bodies 312 with vertical water pipe 31, and then when moving or transporting vertical water pipe 31, split into sub-pipe body 312 with vertical water pipe 31, and then conveniently remove and transport. When the drip assembly 3 needs to be assembled, the sub-pipe body 312 is connected to the connecting internal thread 314 through the connecting thread head.
The specific implementation principle of this embodiment is as follows:
the plurality of protective covers 21 are arranged along the length direction of the expansion joint, the adjacent protective covers 21 are positioned by the insertion of the positioning block 214 and the positioning groove 215, and the adjacent protective covers 21 are fixedly connected by using the connecting bolt in threaded engagement with the threaded hole 216. The geotextile 1 is passed under the arranged protection covers 21 so that the geotextile 1 covers over the concrete at the expansion joint, and both sides of the geotextile 1 are inserted into the clamping grooves 231, thereby preventing the geotextile 1 from being folded and curled during use. The horizontal water pipe 32 is located at one end of the protection component 2, when the dripping component 3 is assembled, the longitudinal water pipe 31 axially penetrates through the supporting beam 22, the longitudinal water pipe 31 is supported through the supporting beam 22, the longitudinal water pipe 31 is connected with the connecting port 321 in an inserting mode, and then each longitudinal water pipe 31 is communicated with the horizontal water pipe 32. In daily use, keep apart the protection through safety cover 21 to expansion joint department concrete, and then the vehicle of passing through can not make the roller compaction to expansion joint department concrete. The protective cover 21 adopts a trapezoidal section structure, so that a vehicle can easily drive through the protective cover, and the protective cover 21 is supported by the supporting beam 22, so that the structure is stable and is not easy to deform. The water in the water storage barrel 33 flows to each longitudinal water pipe 31 through the transverse water pipe 32 and then flows out through the water dropping holes 311 at the lower part of the longitudinal water pipe 31. The geotextile 1 is dripped and sprayed and humidified through the longitudinal water pipe 31, and then concrete at the expansion joint is maintained.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. The utility model provides a bridge expansion joint concrete curing means, is used for to the protection subassembly (2) that expansion joint department concrete sheltered from and be used for dripping subassembly (3) that drip the maintenance of dropping the expansion joint department concrete including geotechnological cloth (1) that are used for covering expansion joint department concrete, its characterized in that: the protection assembly (2) comprises a plurality of protection covers (21), and the protection covers (21) are detachably connected;
the protective cover (21) comprises a top plate (211), a diagonal bracing plate (212) which inclines downwards from one side of the top plate (211) to the side far away from the top plate (211) and a supporting plate (213) which is positioned on one side of the diagonal bracing plate (212) far away from the top plate (211); at least two supporting beams (22) arranged along the width direction of the protective cover (21) are arranged in the protective cover (21), and two ends of each supporting beam (22) are fixedly connected with the inclined supporting plates (212);
the dripping component (3) comprises a plurality of longitudinal water pipes (31) and transverse water pipes (32) communicated with the longitudinal water pipes (31); the longitudinal water pipe (31) is positioned in the protective cover (21), the length direction of the longitudinal water pipe (31) is arranged along the length direction of the protective cover (21), and the longitudinal water pipe (31) axially penetrates through the supporting beam (22); the lower part of the longitudinal water pipe (31) is provided with a plurality of water dripping holes (311) penetrating through the peripheral wall of the longitudinal water pipe (31) along the length direction; the transverse water pipe (32) is communicated with a water storage barrel (33) for storing maintenance water;
a plurality of positioning grooves (215) are formed in the surface of one end of the protection cover (21), and a plurality of positioning blocks (214) which are used for being inserted into the positioning grooves (215) are fixed on the surface of one end of the protection cover (21); the upper surface of the positioning block (214) is provided with a mounting hole (2141) penetrating through the positioning block (214), the bottom of the positioning groove (215) is provided with a threaded hole (216), and a stepped hole (217) for accommodating a bolt is arranged right above the threaded hole (216); when the positioning block (214) is inserted into the positioning groove (215); the stepped hole (217), the mounting hole (2141) and the threaded hole (216) are axially aligned;
the peripheral surface of the transverse water pipe (32) is provided with a plurality of connecting ports (321) which are used for being inserted with the longitudinal water pipe (31), and rubber sealing sleeves (35) are fixed at the connecting ports (321); vertical water pipe (31) include that a plurality of adopts can dismantle sub-body (312) of connection, the one end of sub-body (312) is provided with threaded connection head (313), the other end of sub-body (312) is provided with the internal thread of being connected (314) with threaded connection head (313) threaded engagement.
2. The concrete curing device for bridge expansion joints according to claim 1, wherein: and a flexible pad (23) is fixed on the lower surface of the supporting plate (213).
3. The concrete curing device for bridge expansion joints according to claim 2, wherein: one side of the flexible pad (23) close to the top plate (211) is provided with a clamping groove (231) for inserting the geotextile (1).
4. The concrete curing device for bridge expansion joints according to claim 1, wherein: and a throttle valve (34) for regulating the flow of water flow is arranged on the transverse water pipe (32).
5. The concrete curing device for bridge expansion joints according to claim 1, wherein: holding tank (2111) have been seted up to the upper surface of roof (211), be provided with rings (2112) in holding tank (2111), rings (2112) are articulated with roof (211) around horizontal axis.
6. The concrete curing device for the bridge expansion joint according to any one of claims 1 to 5, wherein: the cross section of the supporting beam (22) is I-shaped.
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| CN202011038443.1A CN112252189B (en) | 2020-09-28 | 2020-09-28 | Bridge expansion joint concrete curing means |
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| CN112252189B true CN112252189B (en) | 2022-06-10 |
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| CN111139734A (en) * | 2020-01-21 | 2020-05-12 | 胡祖敏 | Simple and convenient bridge expansion joint structure |
| CN111622063A (en) * | 2020-05-18 | 2020-09-04 | 李涛 | Concrete pavement curing means for road and bridge engineering |
| CN111663395A (en) * | 2020-06-03 | 2020-09-15 | 中交路桥建设有限公司 | Cross-joint vehicle-through device in bridge expansion joint construction period |
| CN213571526U (en) * | 2020-09-28 | 2021-06-29 | 中建筑港集团有限公司 | Bridge expansion joint concrete curing means |
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