CN111827097A - Concatenation formula reinforced concrete bridge abutment structure - Google Patents
Concatenation formula reinforced concrete bridge abutment structure Download PDFInfo
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- CN111827097A CN111827097A CN202010642596.0A CN202010642596A CN111827097A CN 111827097 A CN111827097 A CN 111827097A CN 202010642596 A CN202010642596 A CN 202010642596A CN 111827097 A CN111827097 A CN 111827097A
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
Abstract
The invention relates to a splicing type reinforced concrete bridge abutment structure, which comprises a cast-in-place pile, an abutment body arranged at the upper part of the cast-in-place pile, and an abutment cap arranged at the upper end of the abutment body and used for positioning and installing a bridge panel, wherein the upper part of the cast-in-place pile and the upper part of the abutment body are fixedly connected with vertical installation blocks, the lower end of the abutment body and the lower surface of the abutment cap are respectively provided with an installation groove along the vertical direction, which can be used for the installation blocks to be inserted and connected along the vertical direction, the lower end of the abutment body is provided with a fastening mechanism which can lead the abutment body to be fastened and connected with the cast-in-place pile, the abutment body is respectively provided with a soil retaining mechanism for blocking filled soil and a drainage mechanism for timely draining seepage water in the filling soil of an abutment head towards the filling position of the abutment head, the abutment cap is provided with an anti-seismic mechanism capable of improving the anti-seismic capacity of the whole bridge, the table cap and the table body are also installed in this way, so that the overall installation speed can be increased.
Description
Technical Field
The invention relates to the technical field of bridge structures, in particular to a splicing type reinforced concrete bridge abutment structure.
Background
The bridge has the main functions of supporting the superstructure, connecting roads at two banks, blocking the abutment and filling earth behind the abutment, and the conventional bridge generally adopts the steps of performing reinforcement on site, then installing a die, and then pouring for molding, thus being relatively time-consuming and inconvenient to construct.
The existing abutment with an abutment drainage structure is disclosed as CN206800179U, and comprises an abutment pile foundation, wherein an abutment cover beam is arranged on the abutment pile foundation, an abutment back wall is arranged at the upper end of the abutment cover beam, abutment stop blocks are arranged on the left side and the right side of the abutment cover beam, earrings are arranged on the left side and the right side of the abutment back wall, an abutment filler block is arranged in a cavity formed by the abutment back wall and the earrings, and an abutment rear waterproof layer is obliquely arranged in the middle layer of the abutment filler block; the waterproof layer behind the abutment consists of a gravel layer, waterproof geotextile and a clay tamping layer, and a plurality of drainage through holes are formed in the bottom of the abutment back wall.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that the overall construction progress is easily affected when casting is directly performed on site.
Disclosure of Invention
In order to accelerate the installation rate of abutment, this application provides a concatenation formula reinforced concrete bridge abutment structure.
The application provides a pair of concatenation formula reinforced concrete bridge abutment structure adopts following technical scheme:
the utility model provides a concatenation formula reinforced concrete bridge abutment structure, includes the bored concrete pile, locates the platform body on bored concrete pile upper portion, locates the bench cap on platform body upper portion, the bench cap upper surface is seted up and is on a parallel with the horizontal length direction of bench cap and runs through in the bridge deck slab groove of bench cap length direction both ends face, the equal fixedly connected with in bored concrete pile upper portion and platform body upper portion is vertical installation piece, and the mounting groove that can supply the installation piece to carry out the grafting along vertical direction is all seted up along vertical direction to platform body lower extreme and bench cap lower surface, and the platform body lower extreme is installed and is made platform body fastening connection in the fastening device of bored concrete pile, and the platform body is equipped with the drainage mechanism who oozes water in filling earth the fender mechanism that blocks and in time discharge bridge head fill out earth towards bridge head fill out earth department respectively, and the bench cap is equipped with the antideton.
Through adopting above-mentioned technical scheme, the mounting groove with platform body bottom carries out the installation of pegging graft along the correspondence of vertical direction corresponding to the installation piece of bored concrete pile and fixes, then pour into grout in the gap of platform body and bored concrete pile junction, make the platform body be difficult for taking place relative motion when bearing vibrations and between the bored concrete pile, then correspond the installation with the mounting groove of platform cap bottom corresponding to the installation piece of platform body upper end again, and carry out the injection of grout in the junction of platform body and platform cap, make the platform cap be difficult for taking place to remove in vertical direction, the butt that the installation piece received the mounting groove simultaneously makes platform body and platform cap can not take place the skew easily on the horizontal direction, make after overall structure installation is accomplished, possess better stability.
Preferably, the fastening mechanism comprises a horizontal pile block integrally formed at the upper end of the cast-in-place pile, a slurry tank arranged at the side edge of the bottom surface of the platform body and the side edge of the upper surface of the pile block around the vertical center line of the platform body, an inserting groove embedded at the slurry tank at the upper part of the pile block and the lower part of the platform body, an inserting groove arranged at the opposite side surfaces of the inserting groove at different heights along the length direction of the inserting groove and with a T-shaped cross section, and an I-steel inserted in the two inserting grooves at different heights along the length direction of the inserting groove.
Through adopting above-mentioned technical scheme, carry out the grafting of horizontal direction with the grafting channel-section steel that the I-steel corresponds not co-altitude, then plaster to dressing trough department again, the outer wall of dressing trough department outer wall and platform body flushes mutually, further make the platform body also difficult and the bored concrete pile between be connected and take place to break away from when bearing great vibrations, make the bored concrete pile can resist the more complete efficiency of removal performance of all directions for overall structure, the setting up of pile block makes the platform body act on the pressure of the horizontal plane that the bridgehead banked up obtain the reduction simultaneously, promote the resistance ability of platform body to self subside.
Preferably, keep off soil mechanism including locating the platform body towards the vertical side that the bridgehead banked up and stretch into to the bridgehead two side walls in the banked up, locate two wing walls that the platform body is adjacent to two vertical sides of side wall respectively, locate the platform body and be used for connecting the wall body coupling mechanism of side wall and wing wall, the vertical side butt of wing wall is banked up in the bridgehead, two side walls are vertical and parallel, two side walls are close to respectively in two sides that the platform body set up the wing wall.
Through adopting above-mentioned technical scheme, the side wall stretches into to be located abutment behind one's back bridgehead and fills out in the soil, make the bridgehead that is located abutment behind one's back fill out and be difficult for losing to abutment both sides, make abutment rear possess sufficient bridgehead and fill out soil and stabilize the abutment, wing wall possesses the direct effect that blocks the bridgehead and fill out soil simultaneously, make the bridgehead fill out soil under the erodeing of rainwater, be difficult for taking place the landslide, make the stability of guaranteeing the bridgehead and filling out soil, the stability of bridgehead fill out soil also makes the abutment can obtain better stability in reverse.
Preferably, the wall connecting mechanism comprises a wing wall groove which is arranged on the vertical side face of the platform body along the direction parallel to the horizontal length direction of the wing wall and is used for the wing wall to be spliced, a side wall groove which is arranged on the vertical side face of the platform body along the direction parallel to the horizontal length direction of the side wall and is used for the side wall to be spliced, a slurry connecting block which is fixedly connected with one end of the wing wall and one end of the side wall respectively positioned in the wing wall groove and the side wall groove, and a slurry injecting hole which is arranged on the upper portion of the wing wall and is communicated to the wing wall groove and the side wall groove, wherein the area of the slurry connecting block is smaller than.
By adopting the technical scheme, the wing wall and the side wall are correspondingly inserted into the wing wall groove and the side wall groove respectively, and then cement slurry is injected into the grouting holes, so that the cement slurry enters the wing wall groove and the side wall groove to fix the respective slurry connecting blocks of the wing wall and the side wall, and then the wing wall and the side wall are well fixed.
Preferably, the platform body is located and has been seted up between adjacent wing wall and the side wall and be the horizontally and consolidate the board groove, and it has the adjacent reinforcing plate that can butt respectively in the vertical side of wing wall and side wall to peg graft along the horizontal direction among the reinforcing plate groove, and the vertical side fixedly connected with that the wing wall deviates from adjacent reinforcing plate can butt in the wing wall reinforcing plate of platform body.
Through adopting above-mentioned technical scheme, adjacent reinforcing plate can share the pressure that makes two side walls deviate from mutually that the side wall probably received for the wing wall, and the wing wall also can share the pressure that comes from the bridgehead and fill soil that self received and the pressure that the side wall gave the wing wall for the stage body simultaneously, promotes the joint strength between wing wall and side wall and the stage body junction respectively.
Preferably, drainage mechanism locates each wing wall including evenly running through the several wing wall of seting up in the vertical side of wing wall hole of permeating water, the one-to-one locates each wing wall and permeates water the hole and insert the bridgehead and fill up several pipe of permeating water in soil, evenly run through around the pipe axis of permeating water and set up in the pipe hole of permeating water the pipe wall, locate the pipeline geomembrane of each tub outer wall of permeating water, evenly run through the several side wall of seting up in the vertical outer wall of side wall hole of permeating water, lay in the side wall outer wall and permeate water the side wall geomembrane that the hole blockked with.
Through adopting above-mentioned technical scheme, when making and piling up in the bridgehead fill out between two blocks of curb plates of rainwater, accessible side wall permeates water the hole and flows in filling out to the bridgehead that two blocks of side walls back of the body department of mutually, then the bridgehead behind the wing wall fills out the accessible and permeates water the pipe and set up the pipe hole on the pipe wall of permeating water and seeps water to permeating water in the pipe, make the bridgehead fill out in too much ponding and can discharge, and pipeline geomembrane and side wall geomembrane make soil be difficult for along with the flow of rivers, together shift, promote the stability that the bridgehead filled out.
Preferably, the side walls are provided with a sleeve in a manner of being embedded in each side wall water permeable hole, an elongated slot penetrating through the end face of one end, facing the bridge head, of the sleeve is formed in the inner wall of the upper portion of the sleeve along the length direction of the sleeve, a semicircular arc groove is formed in the inner wall of the sleeve around the axis of the sleeve, one end of the semicircular arc groove is communicated with one end, located in the sleeve, of the elongated slot, one end, away from the elongated slot, of the semicircular arc groove is located at the bottom of the sleeve, a limiting block is fixedly connected to one end, located in the sleeve, of the water permeable pipe.
Through adopting above-mentioned technical scheme, will permeate water the pipe and correspond to peg graft in the sleeve pipe along the length direction of elongated slot among, until the stopper butt in the bottom surface of elongated slot, then rotate the pipe of permeating water for the stopper is located sleeve pipe lower part department, and the pipe of permeating water is difficult for breaking away from the sleeve pipe, makes when filling soil, and the pipe of permeating water easily takes place to remove along sheathed tube length direction and leads to the pipe of permeating water to break away from the sleeve pipe easily, and the installation of the pipe of permeating water is also very convenient simultaneously.
Preferably, the antidetonation mechanism is including two earwalls that respectively integrated into one piece lie in two vertical sides of bridge panel groove opening part in the abutment cap, fixed connection deviates from the groove dog that the bridgehead filled earth one side and length direction is on a parallel with the horizontal length direction of abutment cap in bridge panel groove, fixed connection just can butt in the bridge dog of the vertical side of groove dog in bridge panel tip bottom surface, evenly locate the earwall, the bridge panel groove, the groove dog is towards the vertical side of bridge panel and the several rubber cushion blocks of butt in the bridge dog, the bridge dog is located among the bridge panel groove.
Through adopting above-mentioned technical scheme, the earwall can restrict the bridge panel and take place to remove along self width direction, and groove dog and bridge dog looks butt make the bridge panel can not take place great displacement along bridge panel self length direction, and rubber cushion allows the bridge panel to carry out certain displacement when bearing vibrations to reach the impact force that the bridge panel received when buffering vibrations.
Preferably, the horizontal bottom surface of bridge panel groove uses self central point to incline as the minimum, and the apopore has been seted up to bridge panel groove central point department, and the apopore is kept away from bridge panel groove one end and is run through to the vertical side of bench cap, and the apopore is vertical opening part fixedly connected with and is the horizontally outlet pipe.
Through adopting above-mentioned technical scheme for the rainwater that continues in bridge panel groove can be followed the apopore and discharged, and the outlet pipe makes water can not ooze down along the surface of stage body simultaneously, reduces the stage body and receives the erosion of discharged water in the apopore for a long time.
Preferably, the platform cap lower surface is located the equal fixedly connected with in mounting groove both sides and is the piece of pouring that vertical and cross-section are T shape, and the platform body upper surface has been seted up and has been supplied to pour the piece and peg graft and communicate in the piece groove of pouring in advance thick liquid hole along vertical direction, pours the piece horizontal segment and runs through and set up and be vertical and communicate in the intercommunicating pore in the slip casting hole, and the grout inlet hole has been seted up to the vertical side of platform cap, advances the vertical side one end opening that the platform cap was kept away from in the grout inlet hole and runs through to the lower surface of platform cap, and the lower.
Through adopting above-mentioned technical scheme, to advancing the grout hole and pour into cement thick liquid for cement thick liquid can accomplish the slip casting work to in the slip casting hole in the lump in the intercommunicating pore, and is comparatively convenient, pours the piece simultaneously and helps promoting the ability that the stage cap is resisting the vertical direction displacement that self received.
In summary, the invention includes at least one of the following beneficial technical effects:
the mounting groove at the bottom of the platform body is correspondingly inserted, installed and fixed in the vertical direction corresponding to the mounting block of the cast-in-place pile, cement slurry is injected into a gap at the joint of the platform body and the cast-in-place pile, so that the platform body is not easy to move relative to the cast-in-place pile when the platform body bears vibration, then the mounting groove at the bottom of the platform cap is correspondingly installed corresponding to the mounting block at the upper end of the platform body, and the cement slurry is injected into the joint of the platform body and the platform cap, so that the platform cap is not easy to move in the vertical direction, meanwhile, the mounting block is abutted by the mounting groove, so that the platform body and the platform cap are not easy to shift in the horizontal direction, and the mounting structure has better stability after the mounting;
and cement slurry is injected into the slurry inlet hole, so that the cement slurry can be injected into the slurry injection hole through the communicating hole, the grouting operation is convenient, and the pouring block is helpful for improving the capability of the platform cap in resisting the vertical displacement of the platform cap.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present invention;
FIG. 2 is a schematic view of the vertical explosion bottom structure of the three parts of the platform body and bricks, the platform body and the platform cap, the platform cap and the bridge deck;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic sectional view showing a part of the inside structure of the water permeable pipe in the casing;
FIG. 6 is a top view of FIG. 2 and an exploded and partially sectioned structural view of a channel of a block at the upper end of the platform;
FIG. 7 is an enlarged view at C of FIG. 6;
fig. 8 is a schematic view of the internal structure at the slot of the bridge deck.
In the figure, 1, a cast-in-place pile; 2. a platform body; 21. a communicating hole; 22. a slurry inlet hole; 23. a pulp connecting block; 24. a tube hole; 25. a water outlet pipe; 26. pouring block grooves; 27. a bridge deck trough; 28. an ear wall; 3. a table cap; 31. a sleeve; 32. a long groove; 33. a semi-circular arc groove; 34. a limiting block; 35. a rubber cushion block; 36. a slot stop; 37. a bridge stop block; 38. a water outlet hole; 39. pouring blocks; 4. mounting blocks; 41. grouting holes; 42. reinforcing the plate groove; 43. an adjacent reinforcing plate; 44. a wing wall stiffener; 45. water permeable holes of the wing walls; 46. side wall geomembranes; 47. side wall water permeable holes; 48. a water permeable pipe; 49. a pipeline geomembrane; 5. mounting grooves; 51. pile blocks; 52. a slurry tank; 53. inserting channel steel; 54. inserting grooves; 55. i-shaped steel; 56. a side wall; 57. a wing wall; 58. a wing wall slot; 59. side wall grooves.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses concatenation formula reinforced concrete bridge abutment structure, refer to fig. 1, including being located three below the ground and being vertical bored concrete pile 1, 1 top of bored concrete pile is installed and is vertical stage body 2, and stage body 2 top is installed length direction and is on a parallel with bridge deck width direction's abutment cap 3, and stage body 2 deviates from the vertical side butt of bridge deck and is filled out soil in the bridgehead.
Referring to fig. 2 and 3, the equal fixedly connected with of upper surface of bored concrete pile 1 and platform body 2 is vertical installation piece 4, 4 length direction of installation piece of platform body 2 is on a parallel with the length direction of platform cap 3, mounting groove 5 has all been seted up along vertical direction to platform body 2 lower surface and platform cap 3 lower surface, close installation piece 4 and mounting groove 5 correspond along vertical direction and peg graft, 2 lower extreme departments of platform body install make between platform body 2 and the bored concrete pile 1 zonulae occludens, platform body 2 installs and to carry out stable retaining soil mechanism and carry out the drainage mechanism of in time discharging with the rainwater of piling up in the bridge head banketing to the bridge head banketing, the antidetonation mechanism that can promote bridge deck panel shock resistance is installed to platform cap 3 lower part and platform body 2 junction.
Referring to fig. 3, the fastening mechanism includes a horizontal pile block 51 integrally formed at the upper end of three cast-in-place piles 1, the length direction of the pile block 51 is parallel to the length direction of the platform cap 3, the cross-sectional shapes of the upper surface of the pile block 51 are consistent with the cross-sectional shape of the lower surface of the platform body 2, slurry grooves 52 are vertically formed on the end surfaces of the pile block 51 and the platform body 2 near one end, the slurry grooves 52 penetrate through four vertical side walls of the pile block 51 and the platform body 2, a plurality of insertion channel steels 53 with length directions parallel to the width direction of the platform cap 3 are uniformly embedded at the end near the pile block 51 and the platform body 2, an insertion groove 54 with a T-shaped cross-section is formed on the side surface near the insertion channel 53 of the pile block 51 and the platform body 2 along the length direction of the insertion channel 53, the insertion groove 54 penetrates through the end of the insertion channel 53 facing away from the bridge head, i-steel 55 is inserted into, the end part of the I-shaped steel 55 is flush with the vertical inner wall of the insertion groove 54, and after the I-shaped steel 55 is inserted, plastering is carried out until the insertion groove 54 is flush with the vertical side surface of the platform body 2.
Referring to fig. 2 and 4, the retaining mechanism includes two vertical side walls 56 installed on the vertical side of the platform body 2 facing the retaining wall of the bridge head, the side walls 56 extend into the filling of the bridge head, the side walls 56 are perpendicular to the vertical side of the platform body 2 facing the retaining wall of the bridge head, a vertical wing wall 57 is installed on the vertical side of the platform body 2 adjacent to the side walls 56, the wing wall 57 is perpendicular to the vertical side of the platform body 2 adjacent to the side walls 56, the vertical side of the wing wall 57 abuts against the filling of the bridge head, the platform body 2 is installed with a wall connecting mechanism which can enable the wing wall 57 and the side walls 56 to be fastened and connected to the platform body 2, the wall connecting mechanism includes two side wall grooves 59 opened on the vertical side of the platform body 2 facing the retaining wall of the bridge head, the two side walls 56 are respectively inserted into the two side wall grooves 59 along the width direction of the platform cap 3, the two vertical sides of the platform body 2 adjacent to the side walls 56 are both provided with, the two wing walls 57 are respectively inserted into the two wing wall grooves 58 along the length direction of the platform cap 3, the platform body 2 is provided with horizontal reinforcing plate grooves 42 between the adjacent side walls 56 and the wing walls 57, the three reinforcing plate grooves 42 are uniformly arranged along the vertical direction, adjacent reinforcing plates 43 which can be respectively abutted against the vertical side surfaces of the adjacent side walls 56 and the wing walls 57 are inserted into the reinforcing plate grooves 42 along the horizontal direction, plastering treatment is carried out in the reinforcing plate grooves 42 after the adjacent reinforcing plates 43 are installed, so that tight connection is carried out between the adjacent reinforcing plates 43 and the reinforcing plate grooves 42, the vertical side surface of the wing wall 57, which is far away from the side wall 56, is fixedly connected with the wing wall reinforcing plate 44 (shown in a combined figure 1) which is horizontal and can be abutted against the vertical side surface of the platform body 2, the wing wall reinforcing plate 44 is uniformly arranged in the vertical direction, and the vertical end surfaces of the side wall 59 and the wing wall groove 58 are respectively and fixedly connected with the slurry connecting, the vertical cross-sectional area of the grout connecting blocks 23 is smaller than the end surface area of the corresponding wing wall 57 and side wall 56.
Referring to fig. 2 and 5, the drainage mechanism comprises a plurality of side wall water permeable holes 47 uniformly penetrating the vertical side surfaces of the side walls 56 in the bridge head filling, the outer walls of the side walls 56 are wrapped with side wall geomembranes 46 (not shown in the figure) separating all the side wall water permeable holes 47 from the bridge head filling, the vertical side surfaces of the wing walls 57 are uniformly penetrated with a plurality of wing wall water permeable holes 45, a sleeve 31 is coaxially embedded in each wing wall water permeable hole 45, the end of the sleeve 31 is flush with the vertical side surface of the wing wall 57, the upper inner wall of the sleeve 31 facing the bridge head filling end is provided with a long groove 32 along the length direction thereof, the inner wall of the sleeve 31 is provided with a semi-circular arc groove 33 around the axis thereof, one end of the semi-circular arc groove 33 far away from the long groove 32 is positioned at the bottom of the sleeve 31, the inner wall of the sleeve 31 is coaxially and tightly inserted with a water permeable pipe 48 perpendicular to the vertical side surface of, the permeable pipe 48 is located in the bridge head filling, the pipe wall of the permeable pipe 48 uniformly penetrates around the axis direction of the permeable pipe 48 to be provided with a plurality of pipe holes 24, the outer wall of the permeable pipe 48 is sleeved with a pipeline geomembrane 49 (not shown in the figure), the pipeline geomembrane 49 and the side wall geomembrane 46 can be composite geomembranes, one end of the permeable pipe 48 located in the sleeve 31 is fixedly connected with a limiting block 34, the limiting block 34 is slidably connected to the long groove 32 along the length direction of the long groove 32, and the limiting block 34 is rotatably connected to the semicircular groove 33 around the axis.
Referring to fig. 6 and 7, the lower surface of the table cap 3 at both ends of the length direction of the mounting block 4 is fixedly connected with casting blocks 39 with T-shaped vertical cross sections, the width of the vertical section of the casting block 39 is smaller than the width of the horizontal section of the casting block 39, so that cement slurry can flow, the upper surface of the table body 2 is provided with two casting holes 41 which are vertical and are communicated with the wing wall groove 58 and the side wall groove 59, the two casting holes 41 are provided and are respectively communicated with the wing wall groove 58 and the side wall groove 59 which are close to each other, the upper surface of the table body 2 is provided with two casting block grooves 26 which are respectively used for the two casting blocks 39 to be inserted in the vertical direction, the upper ends of the casting holes 41 are communicated with the bottom surfaces of the casting block grooves 26, the vertical side wall of the table cap 3 is provided with the slurry inlet holes 22 (shown in combination of fig. 1 and 2) communicated with the bottom surface of the table cap 3, the upper surface of the horizontal section, the upper end opening of the communication hole 21 is opposite to the lower end opening of the slurry inlet hole 22.
Referring to fig. 8, the upper surface of the table cap 3 is provided with a bridge panel groove 27 along the length direction thereof for installing one end of the bridge panel in the length direction, the bridge panel groove 27 penetrates through both ends of the table cap 3 in the length direction, the anti-seismic mechanism comprises two ear walls 28 fixedly connected to both ends of the table cap 3 in the length direction respectively, the ear walls 28 are vertical, the ear walls 28 are parallel to the width direction of the table cap 3, the area of the ear walls 28 is larger than the opening section area of the bridge panel groove 27, so that the ear walls 28 can limit the bridge panel to move freely, one side of the bridge panel groove 27 away from the length direction of the bridge head filling soil is fixedly connected with a groove stop block 36, both ends of the bridge panel groove 27 are fixedly connected to the two ear walls 28 respectively, the upper surface of the groove stop block 36 is flush with the upper surface of the table cap 3, a plurality of rubber cushion blocks 35 are adhered to the adjacent vertical side surfaces of the groove stop block 36, the bridge panel groove 27, the height of bridge dog 37 upper surface is a little higher than groove dog 36, four vertical sides of bridge dog 37 butt respectively in each corresponding rubber pad 35, bridge panel groove 27 uses the central point of self bottom surface to slope as the minimum, the apopore 38 that is L shape is seted up to bridge panel groove 27's central point department, apopore 38 keeps away from bridge panel groove 27's one end and communicates to the vertical side that the abutment cap 3 deviates from the bridgehead and bankets, apopore 38 bottom fixedly connected with is horizontally outlet pipe 25.
The implementation principle of a concatenation formula reinforced concrete bridge abutment structure of this application embodiment is: the installation of vertical direction is carried out to the installation piece 4 that corresponds the bored concrete pile 1 upper end with the mounting groove 5 of platform body 2 bottom, then peg graft along stake piece 51 width direction with the grafting channel-section steel 53 that I-steel 55 corresponds two same vertical directions, then plaster, it flushes mutually to locate concrete layer and the vertical side of platform body 2 with thick liquid groove 52, again carry out the grafting of vertical direction with the installation piece 4 that the mounting groove 5 of platform cap 3 corresponds platform body 2, then plaster the processing to the junction of platform cap 3 and platform body 2, then pour into grout into hole 22 into again, make grout enter into wing wall groove 58 and side wall groove 59 through intercommunicating pore 21 and slip casting hole 41, make thick liquid connecting block 23 and pour piece 39 obtain fixedly.
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 (10)
1. The utility model provides a concatenation formula reinforced concrete bridge abutment structure, includes bored concrete pile (1), locates body (2) on bored concrete pile (1) upper portion, locates stage cap (3) on body (2) upper portion, and stage cap (3) upper surface is seted up and is on a parallel with stage cap (3) horizontal length direction and runs through in bridge panel groove (27) of stage cap (3) length direction both ends face, its characterized in that: bored concrete pile (1) upper portion and the equal fixedly connected with in stage body (2) upper portion are vertical installation piece (4), mounting groove (5) that can supply installation piece (4) to carry out the grafting along vertical direction are all seted up along vertical direction to stage body (2) lower extreme and stage cap (3) lower surface, stage body (2) lower extreme is installed and is made stage body (2) fastening connection in the fastening device of bored concrete pile (1), stage body (2) are equipped with the drainage mechanism who oozes water in earth is filled out to earth retaining mechanism and the timely discharge bridgehead that blocks filling towards bridgehead department of filling earth respectively, stage cap (3) are equipped with the antidetonation mechanism that can promote bridge deck shock resistance.
2. The spliced reinforced concrete bridge abutment structure of claim 1, wherein: the fastening mechanism comprises a horizontal pile block (51) which is integrally formed at the upper end of the cast-in-place pile (1), a slurry tank (52) which is arranged at the side edge of the bottom surface of the platform body (2) and the side edge of the upper surface of the pile block (51) around the vertical central line of the platform body (2), an inserting channel steel (53) which is arranged at the slurry tank (52) at the upper part of the pile block (51) and the lower part of the platform body (2) in an embedding way, an inserting groove (54) which is arranged at the opposite side surfaces of the inserting channel steel (53) with different heights along the length direction of the inserting channel steel (53) and has a T-shaped cross section, and an I-steel (55) which is inserted into the two inserting grooves (54).
3. The spliced reinforced concrete bridge abutment structure of claim 2, wherein: soil retaining mechanism is including locating abutment body (2) towards the vertical side of abutment filling up and stretching into two side walls (56) in the abutment filling up, locate abutment body (2) adjacent two wing walls (57) of two vertical sides of side wall (56) respectively, locate abutment body (2) and be used for connecting the wall connection mechanism of side wall (56) and wing wall (57), wing wall (57) vertical side butt is filled up in the abutment, two side walls (56) are vertical and parallel, two side walls (56) are close to respectively and set up two sides of wing wall (57) in abutment body (2).
4. The spliced reinforced concrete bridge abutment structure of claim 3, wherein: the wall body connecting mechanism comprises a wing wall groove (58) which is arranged on the vertical side face of the platform body (2) in a direction parallel to the horizontal length direction of the wing wall (57) and is used for inserting the wing wall (57), a side wall groove (59) which is arranged on the vertical side face of the platform body (2) in a direction parallel to the horizontal length direction of the side wall (56) and is used for inserting the side wall (56), a slurry connecting block (23) which is fixedly connected to the wing wall (57) and the side wall (56) and is respectively arranged at one end of the wing wall groove (58) and one end of the side wall groove (59), and a slurry injection hole (41) which is arranged at the upper part of the wing wall (57) and is communicated to the wing wall groove (58) and the side wall groove (59), wherein the area of the slurry connecting block (23) is smaller than the area of the.
5. The spliced reinforced concrete bridge abutment structure of claim 4, wherein: the platform body (2) is located and has been seted up between adjacent wing wall (57) and side wall (56) and be horizontally and consolidate board groove (42), and it can butt in adjacent reinforcing plate (43) of wing wall (57) and side wall (56) vertical side respectively to peg graft along the horizontal direction among reinforcing plate groove (42), and vertical side fixedly connected with that wing wall (57) deviates from adjacent reinforcing plate (43) can butt in wing wall reinforcing plate (44) of platform body (2).
6. The spliced reinforced concrete bridge abutment structure of claim 5, wherein: drainage mechanism is including evenly running through several wing wall of seting up in wing wall (57) vertical side hole (45) of permeating water, each wing wall is located to the one-to-one and is permeated water hole (45) and insert several pipe (48) of permeating water in the bridgehead banket, evenly run through around pipe (48) axis of permeating water and set up in pore (24) of permeating water pipe (48) pipe wall, locate each pipeline geomembrane (49) of permeating water pipe (48) outer wall, evenly run through several side wall of seting up in side wall (56) vertical outer wall hole (47) of permeating water, lay in side wall (56) outer wall and permeate water all side walls hole (47) and carry out side wall geomembrane (46) that block.
7. The spliced reinforced concrete bridge abutment structure of claim 6, wherein: the side walls (56) are embedded with sleeves (31) corresponding to the water permeable holes (47) of each side wall, the inner wall of the upper portion of each sleeve (31) is provided with a long groove (32) penetrating through the sleeve (31) in the length direction of the sleeve, the end face of the upper portion of the bridge head is filled with soil, the inner wall of each sleeve (31) is provided with a semicircular arc groove (33) with one end communicated with one end of each long groove (32) in the corresponding sleeve (31) along the axis of the sleeve, one end of each semicircular arc groove (33), which is far away from the corresponding long groove (32), is located at the bottom of the corresponding sleeve (31), the water permeable pipe (48) is located in the corresponding sleeve (31), one end of each water permeable pipe is fixedly connected with a limiting block (34), and each limiting block (34) can be connected to the corresponding long groove (.
8. The spliced reinforced concrete bridge abutment structure of claim 7, wherein: anti-seismic mechanism is including two earwalls (28) that integrated into one piece respectively lie in two vertical sides of bridge panel groove (27) opening part in abutment cap (3), fixed connection deviates from bridge head and fills out soil one side and length direction and be on a parallel with groove dog (36) of abutment cap (3) horizontal length direction in bridge panel groove (27), fixed connection just can butt in bridge dog (37) of groove dog (36) vertical side in bridge panel tip bottom surface, evenly locate earwall (28), bridge panel groove (27), groove dog (36) are towards bridge panel's vertical side and butt in several rubber pad (35) of bridge dog (37), bridge dog (37) are located among bridge panel groove (27).
9. The spliced reinforced concrete bridge abutment structure of claim 8, wherein: the horizontal bottom surface of bridge panel groove (27) uses self central point to incline as the minimum, and apopore (38) have been seted up to bridge panel groove (27) central point department, and vertical side to bench cap (3) is run through to bridge panel groove (27) one end is kept away from in apopore (38), and apopore (38) are vertical opening part fixedly connected with and are horizontally outlet pipe (25).
10. The spliced reinforced concrete bridge abutment structure of claim 9, wherein: the lower surface of the table cap (3) is located the pouring block (39) which is vertical and has a T-shaped cross section and is fixedly connected with the two sides of the mounting groove (5), the upper surface of the table body (2) is provided with a pouring block (39) which is inserted along the vertical direction and is communicated with the pouring block groove (26) of the grout inlet hole (22), the horizontal section of the pouring block (39) runs through the communicating hole (21) which is vertical and is communicated with the grout inlet hole (41), the vertical side surface of the table cap (3) is provided with the grout inlet hole (22), one end opening of the vertical side surface of the grout inlet hole (22), which is far away from the table cap (3), runs through the lower surface of the table cap (3), and the lower end of the grout inlet hole (22) is just opposite.
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Cited By (1)
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| CN111827097B (en) | 2022-04-05 |
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