CN111206494A - Integrated abutment water falling assembly - Google Patents
Integrated abutment water falling assembly Download PDFInfo
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- CN111206494A CN111206494A CN202010140922.8A CN202010140922A CN111206494A CN 111206494 A CN111206494 A CN 111206494A CN 202010140922 A CN202010140922 A CN 202010140922A CN 111206494 A CN111206494 A CN 111206494A
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- water
- abutment
- downpipe
- storage tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000000576 coating method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a novel integrated bridge abutment downpipe assembly, wherein a downpipe is divided into an upper section and a lower section, rainwater is vertically collected and discharged through a conversion water storage tank, a longitudinal sliding groove is formed in the top surface of the conversion water storage tank, rainwater leaked in an expansion joint range is collected through a transverse drainage ditch arranged on the inner side of a platform cap and is connected into the conversion water storage tank, so that various problems existing in the downpipe at the bridge abutment at the prior art are solved, the requirement of longitudinal telescopic displacement of the downpipe is met on the premise of ensuring normal vertical discharge of collected and discharged water of a bridge floor is met, the problem of collecting and discharging rainwater leaked at the expansion joint is considered, and the integrated bridge abutment downpipe assembly has the advantages of simple structure, low manufacturing cost, convenience in construction.
Description
Technical Field
The invention relates to the technical field of bridges, in particular to an integrated abutment water falling assembly.
Background
The abutment is used as a transition structure between a bridge and a roadbed and is generally a boundary for collecting drainage on a bridge deck within a bridge range to land on the ground. At present, the abutment structure and the collection drainage downpipe are designed separately, the downpipe is usually fixed on the beam body and the abutment structure through a fixing piece, and longitudinal micro deformation is realized through a local hose, so that the drainage structure has the following problems:
(1) for a longer urban municipal bridge, the beam body has larger longitudinal stretching deformation under the action of temperature, automobile braking force, shrinkage creep and the like, the stretching deformation of the beam body at the bridge abutment reaches the maximum, and the longitudinal deformation matched with the beam body is difficult to realize through a local hose, so that the downpipe is easy to shear and damage and is out of work.
(2) The local hose of pipe in the water is extremely easy fatigue damage in the roof beam body deformation that stretches out and draws back repeatedly, and the hose material is easy ageing, and life is shorter, and its connection performance and deformability all are difficult to guarantee for a long time.
(3) The waterproof effect of the expansion joint is difficult to ensure due to the long-term load bearing effect of the expansion joint, and the seepage and water leakage of the bridge deck rainwater at the expansion joint are common phenomena, so that the rainwater flows to the abutment cap and the front wall, and the service life of the support is influenced to a certain extent.
(4) The downpipe is fixed in the abutment and exposes on the surface of the structure, so the landscape effect is not good, and the downpipe is particularly prominent for important urban spaces below the abutment, such as squares, parks and the like.
Therefore, in order to solve the above problems, an integrated abutment water falling assembly is needed, which can meet the drainage requirement of the bridge deck.
Disclosure of Invention
In view of the above, the present invention provides an integrated abutment downspout assembly, which can ensure normal vertical discharge of collected and drained water from a bridge deck, and simultaneously meet the requirement of longitudinal telescopic displacement of a downspout.
The integrated bridge abutment downpipe assembly comprises a water storage tank arranged on a bridge abutment, an upper downpipe communicated with the top end of the water storage tank and a downpipe communicated with the bottom end of the water storage tank, wherein the upper downpipe is connected to a beam body and communicated with a water outlet of the beam body, the upper end of the water storage tank is provided with a longitudinally extending sliding groove, and the lower end of the upper downpipe is positioned in the sliding groove and can longitudinally slide in the sliding groove along with the longitudinal deformation of the beam body.
Further, the abutment cap upper surface of abutment is provided with the lateral drainage ditch, abutment cap upper surface has the decurrent longitudinal slope that heels to the escape canal, the escape canal has to be close to the storage water tank heels in the decurrent lateral slope in order to arrange the water fall in the escape canal to the storage water tank, the escape canal intercommunication to with the storage water tank inner chamber.
Further, the transverse size of the sliding groove is 6-8 mm larger than the outer diameter of the upper downpipe.
Further, the inner diameter of the falling water pipe is larger than that of the upper falling water pipe.
Further, the water storage tank is formed by the concave surface of the upper surface of the table cap, a cover plate is arranged on the upper end cover of the water storage tank, and the sliding groove is formed in the cover plate.
Further, the water falling pipe is buried in the abutment.
Further, water-proof coatings are coated in the water storage tank and the drainage ditch.
Furthermore, filter screens are arranged at the upper end of the upper downpipe and the upper end of the lower downpipe.
Furthermore, the gradient of the longitudinal slope is 5-10%, and the gradient of the transverse slope is 1.5-2.5%.
The invention has the beneficial effects that:
when the beam body longitudinally stretches and deforms, the downpipe can integrally and longitudinally move along with the deformation of the beam body, the upper downpipe slides in the sliding groove at the upper end of the water storage tank, the upper downpipe does not interfere with the water storage tank in the moving process, the structure meets the requirement that the downpipe longitudinally moves along with the beam body, and the problem that the downpipe cannot longitudinally deform to cause shearing damage is thoroughly solved.
The water storage tank, the falling water pipe and other structures are highly integrated on the bridge abutment, so that the outer surface of the bridge abutment is not exposed and attached with a downpipe, a hoop, a bent joint and the like, the landscape model of the bridge abutment is easy to manufacture, and the landscape quality of the space under the bridge near the bridge abutment is improved.
The invention is connected into the falling water pipe after being discharged into the conversion water storage tank through the longitudinal slope of the platform cap and the transverse drainage ditch, thereby avoiding the erosion caused by random flow of rainwater on the platform cap and the front wall, prolonging the service life of the support, and simultaneously ensuring the cleanness of the front wall of the bridge abutment.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial schematic view of the structure;
Detailed Description
FIG. 1 is a schematic perspective view of the present invention; FIG. 2 is a partial schematic view of the structure;
as shown in the figure: the integrated form abutment assembly that falls into water of this embodiment, including set up storage water tank 1 on the abutment, with last pipe in water 2 of storage water tank top intercommunication and with the downcomer 3 of storage water tank bottom intercommunication, go up the pipe in water and connect on the roof beam body and with the outlet intercommunication of the roof beam body, it has longitudinal extension's groove 4 that slides to open the storage water tank upper end, go up the pipe in water lower extreme and be located the groove of sliding and can follow the longitudinal deformation of the roof beam body and at the inslot longitudinal sliding that slides. In the embodiment, the transverse direction is the width direction of the bridge, and the longitudinal direction is the length direction of the bridge; the abutment is located the bridge both ends for the building that the superstructure of supporting roof beam body links up mutually with the embankment, and the abutment includes platform body 8, abutment cap 9 and basis, and wherein the platform body is used for transmitting roof beam body superstructure's load to the basis, and the abutment cap is located the platform body top and is used for supporting the bridge. The water storage tank can be integrated inside the bridge abutment or can be arranged on the bridge abutment in an independent box structure, in the embodiment, the water storage tank is preferably integrated on the abutment cap, and the volume of the water storage tank is preferably calculated by the aid of the upper downpipe for 3-5 seconds; referring to fig. 1, two sets of drainage devices are disposed on two lateral sides of the abutment, that is, two water storage tanks are disposed on two lateral sides of the abutment cap, and each water storage tank is respectively matched with a corresponding upper downpipe and a corresponding lower downpipe, which is not described in detail; the downpipe is divided into an upper section and a lower section, and the downpipe is preferably made of steel-plastic composite pipes and meets the requirements of corresponding national standards; the falling water pipe is integrated in the bridge abutment and is vertically fixed, so that the vertical drainage of rainwater is realized; the upper downpipe is connected to the beam body, when the beam body longitudinally stretches and deforms, the downpipe can integrally and longitudinally move along with the deformation of the beam body, the upper downpipe slides in the sliding groove at the upper end of the water storage tank, the longitudinal size of the sliding groove is set according to the requirement of the longitudinal stretching deformation amount of the beam body, so that the upper downpipe is ensured not to interfere with the water storage tank all the time in the moving process, the structure meets the requirement of the downpipe on the longitudinal displacement along with the beam body, and the problem that the downpipe cannot longitudinally deform to cause shearing damage is thoroughly solved; the upper downpipe does not deform along with repeated stretching deformation of the beam body, does not fatigue and is long in service life.
In this embodiment, the abutment cap upper surface of abutment is provided with lateral drainage ditch 5, abutment cap upper surface has the decurrent longitudinal slope that heels to the drainage ditch, the drainage ditch has to be close to the storage water tank heel decurrent lateral slope in order to arrange the water fall in the drainage ditch to the storage water tank in, the drainage ditch communicate to with the storage water tank inner chamber. Referring to fig. 1, the backside of the table cap is longitudinally inward, the drainage ditch is disposed at an inner side of the upper surface of the table cap, and the upper surface of the table cap is inclined downward from outside to inside to form a longitudinal slope for guiding water flow into the drainage ditch. The water flow leaked from the position of the expansion joint of the beam body firstly flows into the drainage ditch through the inner side of the longitudinal slope guide platform cap, then flows to the side close to the water storage tank in the drainage ditch through the cross slope guide water flow until flowing into the drainage tank, and then is discharged through the falling water pipe; the water flow leaked at the expansion joint is discharged into the conversion water storage tank through the longitudinal slope of the platform cap and the transverse drainage ditch and then is connected into the falling water pipe, so that the erosion caused by random flowing of rainwater on the platform cap and the front wall is avoided, the service life of the support is prolonged, and the cleanness of the front wall of the bridge abutment is ensured.
In the embodiment, the transverse size of the sliding groove is 6-8 mm larger than the outer diameter of the upper downpipe. In the embodiment, the longitudinal size of the sliding groove is larger than 7mm of the outer diameter of the upper downpipe, the specific size can be correspondingly adjusted according to actual conditions, and the transverse limiting constraint of the upper water pipe section is facilitated through the limitation of the size.
In this embodiment, the inner diameter of the downpipe is larger than the inner diameter of the downpipe. The inner diameter of the upper downpipe and the inner diameter of the lower downpipe are determined according to actual drainage, the drainage capacity of the lower downpipe is ensured to be larger than that of the upper downpipe, and accumulated water in the water storage tank is ensured to be drained in time.
In this embodiment, the water storage tank is formed by the concave surface of the upper surface of the table cap, the cover plate 6 is covered on the upper end of the water storage tank, and the sliding groove is formed in the cover plate. Combine fig. 2 to show, the storage water tank pours the pit of integrated into one piece and its upper surface for the platform cap, and wherein the escape canal extends to storage water tank department and link up to the lateral wall of storage water tank, and the structure of storage water tank has been simplified to this structure for storage water tank and platform cap highly integrated, wherein the apron adopts the corrosion resistant plate material, reliably is connected with the platform cap through pre-buried pre-buried bolt in the platform cap.
In this embodiment, the water dropping pipe is buried in the abutment. The integrated structure of the water storage tank and the embedded structure of the falling water pipe can ensure that no downpipe, hoop, bent joint and the like are exposed and attached on the outer surface of the bridge abutment, so that the landscape modeling of the bridge abutment is easy to manufacture, and the landscape quality of the space under the bridge near the bridge abutment is improved.
In this embodiment, water proof coating is scribbled in storage water tank and the escape canal. Coatings such as a polyurethane waterproof coating, a JS composite waterproof coating and the like can be adopted, and the erosion of water flow to the table cap can be reduced through the anti-seepage treatment of the water storage tank and the drainage ditch; in order to further protect the table cap, a waterproof coating can be coated on the upper surface of the table cap, which is not described in detail;
in this embodiment, the upper end of the upper downpipe and the upper end of the lower downpipe are provided with filter screens 7. Can prevent through the filter screen that outside large granule impurity from getting into the storage water tank, effectively avoid the jam phenomenon of last pipe in the water and whereabouts water pipe.
In the embodiment, the gradient of the longitudinal slope is 5-10%, and the gradient of the transverse slope is 1.5-2.5%. In this embodiment, the longitudinal slope is 6%, and the cross slope is 2%, and concrete slope can carry out corresponding adjustment according to actual structure, can guarantee reliable water conservancy diversion effect through the injecing to the slope, has also guaranteed the supporting effect to the roof beam body of bench cap.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. An integrated form abutment falls into water assembly which characterized in that: including set up the storage water tank on the abutment, with the last pipe in water of storage water tank top intercommunication and with the water pipe in water tank bottom intercommunication, go up the pipe in water and connect on the roof beam body and communicate with the outlet of roof beam body, it has the groove that slides of longitudinal extension to open the storage water tank upper end, go up the pipe in water lower extreme and be located the inslot that slides and can follow the longitudinal deformation of roof beam body and vertically slide in the inslot that slides.
2. The integrated abutment waterfall assembly of claim 1, wherein: the upper surface of the abutment cap of the bridge abutment is provided with a transverse drainage ditch, the upper surface of the abutment cap is provided with a longitudinal slope inclining downwards and inclining towards the drainage ditch, the drainage ditch is provided with a transverse slope inclining downwards and inclining towards the water storage tank so as to drain water in the drainage ditch into the water storage tank, and the drainage ditch is communicated to an inner cavity of the water storage tank.
3. The integrated abutment waterfall assembly of claim 1, wherein: the transverse size of the sliding groove is 6-8 mm larger than the outer diameter of the upper downpipe.
4. The integrated abutment waterfall assembly of claim 1, wherein: the inner diameter of the falling water pipe is larger than that of the upper falling water pipe.
5. The integrated abutment waterfall assembly of claim 2, wherein: the water storage tank is formed by the concave inner surface of the upper surface of the table cap, the upper end of the water storage tank is covered with a cover plate, and the sliding groove is arranged on the cover plate.
6. The integrated abutment waterfall assembly of claim 1, wherein: the falling water pipe is embedded in the bridge abutment.
7. The integrated abutment waterfall assembly of claim 5, wherein: and waterproof coatings are coated in the water storage tank and the drainage ditch.
8. The integrated abutment waterfall assembly of claim 1, wherein: and filter screens are arranged at the upper end of the upper downpipe and the upper end of the lower downpipe.
9. The integrated abutment waterfall assembly of claim 2, wherein: the gradient of the longitudinal slope is 5 to 10 percent, and the gradient of the transverse slope is 1.5 to 2.5 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140922.8A CN111206494A (en) | 2020-03-03 | 2020-03-03 | Integrated abutment water falling assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010140922.8A CN111206494A (en) | 2020-03-03 | 2020-03-03 | Integrated abutment water falling assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111206494A true CN111206494A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010140922.8A Pending CN111206494A (en) | 2020-03-03 | 2020-03-03 | Integrated abutment water falling assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111206494A (en) |
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2020
- 2020-03-03 CN CN202010140922.8A patent/CN111206494A/en active Pending
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