CN211079875U - Soil covering corrugated steel plate bridge based on gravel grouting filling layer - Google Patents
Soil covering corrugated steel plate bridge based on gravel grouting filling layer Download PDFInfo
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- CN211079875U CN211079875U CN201921207596.7U CN201921207596U CN211079875U CN 211079875 U CN211079875 U CN 211079875U CN 201921207596 U CN201921207596 U CN 201921207596U CN 211079875 U CN211079875 U CN 211079875U
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Abstract
The utility model discloses an earth covering corrugated steel plate bridge based on a gravel grouting filling layer, which comprises a front concrete foundation, a rear concrete foundation, a main arch and a filling layer; the main arch comprises an arch ring and a gravel grouting filling layer arranged on the arch ring, the gravel grouting filling layer comprises a gravel paving layer paved on the arch ring, a front grouting pipeline and a rear grouting pipeline are symmetrically arranged in the gravel paving layer, and the grouting pipelines are rectangular in waveform; each grouting pipeline comprises a plurality of grouting pipes distributed from bottom to top, and the two adjacent grouting pipes are connected through a connecting pipe. The utility model has the advantages of simple structure and reasonable design and the construction is simple and convenient, excellent in use effect, the rubble slip casting filling layer that adopts to be located the arch ring outside is consolidated the arch ring, only need fill out the in-process in step in the arch ring outside lay the one deck rubble layer of mating formation and lay the slip casting pipeline in the rubble layer of mating formation and carry out the mud jacking can, can effectively solve the corrugated steel plate outside and fill out the soil and be difficult to the compaction difficult problem to can effectively improve the bearing capacity of corrugated steel plate bridge.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, especially, relate to an earthing ripple steel plate bridge based on rubble slip casting filling layer.
Background
The soil covered corrugated steel plate arch bridge takes the corrugated steel plates as arch rings, and soil is filled on two sides and above the arch rings to form a bridge and culvert structure. Compared with other bridge structure forms, the corrugated steel plate arch bridge has the advantages of simple construction, quick assembly, short construction period and the like, and has great popularization potential in bridges and culverts with medium and small spans. At present, the application of corrugated steel plate bridge and culvert technology in China is still in the starting stage, and the research on the application of corrugated steel plate structures in medium and small arch bridges is just started.
the invention discloses a light arch bridge structure, which comprises arch rings and foam concrete filling bodies filled above and at two sides of the arch rings, wherein the arch rings comprise concrete arch plates and steel plate arch shells made of corrugated steel plates, but the arch walls have limitations, particularly, foam concrete is adopted at two sides and above of the corrugated steel plates in a large range, although the bearing capacity of the structure is increased, the economical efficiency of the soil-covered corrugated steel plate bridge is greatly reduced, the construction convenience is no longer advantageous in terms of convenience and the like, the reinforcing method of the soil-covered arch steel plate-concrete combined arch bridge disclosed in patent application Z L201410421742.1 disclosed in 12 month 17 month in 2014 is disclosed, the economic benefit-concrete combined arch steel plate is adopted, the advantages of the soil-covered corrugated steel plate bridge are not more advantageous than those of the arch bridge, the reinforced strength of the soil-concrete combined arch bridge is improved by adopting a composite reinforced mortar filled in a combined arch steel pipe arch bridge between the arch rings, the reinforced steel plate and the reinforced concrete arch bridge is improved by adopting a composite reinforced mortar filled between the reinforced arch rings, the reinforced by the reinforced steel plate, the reinforced by the reinforced concrete arch rings, the reinforced steel plate, the reinforced by the reinforced concrete arch rings, the reinforced by adopting a novel reinforced double-clad steel plate reinforced mortar, the reinforced double-clad steel plate, the reinforced arch bridge, the reinforced composite reinforced by the reinforced concrete filled arch bridge, the reinforced by the reinforced concrete slab, the reinforced arch bridge, the reinforced steel plate is formed by the reinforced double-reinforced composite reinforced arch bridge, the reinforced double-arch bridge, the reinforced steel plate, the reinforced arch bridge, the reinforced steel plate is more particularly, the reinforced by the reinforced steel plate, the reinforced steel plate is more particularly, the reinforced steel plate.
In fact, earthing corrugated steel plate bridge's main advantage lies in its construction convenience, can form the arched bridge with the corrugated steel plate concatenation, adopts the individual layer corrugated steel plate to have better economic nature simultaneously, if adopt concrete or double-deck corrugated steel plate to strengthen the cross-section, not only increase field work volume, and can increase the structure cost.
According to analysis, the bearing capacity of the earthing corrugated steel plate bridge is not only from the steel plate, but more importantly, the constraint effect of the soil body outside the corrugated steel plate on the deformation of the steel plate, but when the earthing corrugated steel plate bridge is constructed, the earth filled outside the corrugated steel plate is difficult to compact at the part close to the corrugated steel plate, the constraint effect of the soil body on the steel plate is reduced, the main reason is that a compacting machine cannot be too close to the steel plate bridge, the damage to the steel plate is prevented, and in addition, when the earth pressure is too close to the steel plate bridge, the deformation of the corrugated steel plate can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in not enough to among the above-mentioned prior art, provide an earthing corrugated steel plate bridge based on rubble slip casting filling layer, a structure is simple, reasonable in design and construction are simple and convenient, excellent in use effect, the rubble slip casting filling layer that adopts to be located the arch ring outside consolidates the arch ring, only need in the course of filling out in step in the arch ring outside the layer rubble of mating formation of mat formation and lay the slip casting pipeline in the rubble layer of mating formation and carry out the mud jacking can, can effectively solve the corrugated steel plate outside and fill out the soil and be difficult to the compaction difficult problem, and can effectively improve corrugated steel plate bridge's bearing capacity.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an earthing ripple steel sheet bridge based on rubble slip casting filling layer which characterized in that: the concrete foundation comprises a front concrete foundation and a rear concrete foundation, a main arch erected above the two concrete foundations and a filling layer covering the main arch, wherein the two concrete foundations are horizontally arranged and are arranged on the same horizontal plane;
The main arch comprises an arch ring and a gravel grouting filling layer arranged on the arch ring, the gravel grouting filling layer is arranged between the arch ring and a filling soil layer, and the bottoms of the front side and the rear side of the gravel grouting filling layer are supported on one concrete foundation; the arch ring is formed by bending corrugated steel plates, the front end and the rear end of the arch ring are supported on one concrete foundation, and the gravel grouting filling layer is an arch filling layer;
The gravel grouting filling layer comprises a gravel pavement layer paved on the arch ring, and the bottoms of the front side and the rear side of the gravel pavement layer are supported on one concrete foundation; a front grouting pipeline and a rear grouting pipeline are symmetrically arranged in the gravel pavement layer, and each grouting pipeline is in a rectangular waveform; each grouting pipeline comprises a plurality of horizontally arranged grouting pipes, the plurality of grouting pipes are arranged from bottom to top along the contour line of the arch ring and are arranged along the transverse bridge direction, the lengths of the plurality of grouting pipes are the same, and two adjacent grouting pipes are connected through a connecting pipe; the grouting pipes and the connecting pipes are straight steel pipes, and the pipe wall of each grouting pipe is provided with a plurality of grouting holes; and one of the grouting pipes positioned at the lowest part in each grouting pipeline is a lower grouting pipe, one end of the lower grouting pipe is connected with the connecting pipe, and the other end of the lower grouting pipe is a grouting opening.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the other end of the lower grouting pipe is connected with grouting equipment through a connecting pipeline, and the two grouting pipelines are rectangular corrugated pipelines for injecting cement mortar into the gravel pavement layer.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the vertical distance between two adjacent grouting pipes in each grouting pipeline is 0.3-0.5 m.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: each grouting pipeline comprises M grouting pipes, wherein M is a positive integer and is more than or equal to 3;
The broken stone pavement layer is divided into a vault filling layer arranged above the middle part of the arch ring and two front and rear side filling layers which are symmetrically arranged, the two side filling layers are connected to form a lower filling layer, and the vault filling layer is positioned right above the lower filling layer; each side filling layer is divided into M arch ring outer side filling layers from bottom to top, and the thickness of each arch ring outer side filling layer is 0.3-0.5M; the space between two adjacent grouting pipes in each grouting pipeline is the outer filling layer of the arch ring;
The upper surface of each arch ring outer side filling layer is a horizontal plane, and each arch ring outer side filling layer is provided with one grouting pipe.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the thickness of the gravel pavement layer is d, and the value range of d is 0.5-1 m.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: all grouting pipes in the two grouting pipelines are located on the same arch surface, and the arch surface where all grouting pipes in the two grouting pipelines are located is a grouting surface.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the clear distance between the grouting surface and the arch ring is 
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: and a plurality of embedded parts for fixing the arch rings are embedded in each concrete foundation, and the embedded parts are distributed along the transverse bridge from left to right.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the arch ring is formed by splicing a plurality of corrugated steel plate splicing blocks, the corrugated steel plate splicing blocks are rectangular, the corrugated steel plate splicing blocks are arranged in a plurality of rows from left to right along a transverse bridge direction, each row of corrugated steel plate splicing blocks comprises a plurality of corrugated steel plate splicing blocks arranged from front to back along a longitudinal bridge direction, and the corrugated steel plate splicing blocks in two adjacent rows of corrugated steel plate splicing blocks on the left and right are arranged in a staggered manner;
The corrugated steel plate splicing blocks are connected into a whole in a fastening mode through a plurality of fastening bolts arranged from left to right along a transverse bridge direction, and the corrugated steel plate splicing blocks are connected into a whole in a fastening mode through a plurality of fastening bolts arranged from front to back along a longitudinal bridge direction.
The earthing ripple steel plate bridge based on rubble slip casting filling layer above-mentioned, characterized by: the gravel pavement layer is a pavement layer formed by paving gravel on the arch ring, and the particle size of the gravel is 5 mm～20mm。
Compared with the prior art, the utility model has the following advantage:
1. Simple structure, reasonable in design and construction are simple and convenient, and the input cost is lower.
2. The construction on site is simple and convenient, does not need to erect the template, only needs to mat formation to the rubble in the rubble slip casting filling layer in a layering way and in step to fill layer carry out layering construction and bury the slip casting pipeline in the rubble mat formation layer underground can, carry out the mud jacking through the slip casting pipeline, just form rubble slip casting filling layer.
3. The grouting method has the advantages that the use effect is good, the practical value is high, the arch area close to the arch ring in the filling layer outside the arch ring is reinforced by the gravel grouting filling layer, the soil body in the arch area close to the arch ring in the filling layer outside the arch ring is replaced by the gravel to obtain a gravel pavement layer, and the grouting pipeline (namely the grouting pipeline) is reserved when the gravel pavement layer is layered; after the completion of mating formation, carry out the mud jacking to the rubble layer of mating formation and handle, make cement mortar be full of the rubble space and form firm, reliable rubble slip casting filling layer, can effectively solve the corrugated steel board outside and fill out the difficult problem that the soil is difficult to the compaction, because the intensity of rubble slip casting filling layer is far greater than the intensity of filling layer, consequently can effectively retrain corrugated steel board's lateral deformation, increased substantially the bearing capacity of corrugated steel plate bridge.
To sum up, the utility model has the advantages of simple structure and reasonable design and the construction is simple and convenient, excellent in use effect, the rubble slip casting filling layer that adopts to be located the arch ring outside consolidates the arch ring, only need in the in-process of filling out in step mat formation one deck rubble in the arch ring outside layer of mating formation and lay the slip casting pipeline in the rubble layer of mating formation and carry out the mud jacking can, can effectively solve the corrugated steel plate outside and fill out the soil and be difficult to the compaction difficult problem to can effectively improve the bearing capacity of corrugated steel plate bridge.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 3 1 3. 3
Fig. 3 is a schematic diagram of the layout position of a grouting pipeline on an arch ring of the present invention.
Fig. 4 is the schematic diagram of the layout position of the grouting pipe of the present invention.
Fig. 5 is the utility model discloses the position schematic diagram of laying of layering of filling out among broken stone pavement layer arch top filling layer and the arch ring outside filling layer and the filled layer.
Fig. 6 is a schematic structural view of the grouting pipe of the present invention.
Fig. 7 is a schematic structural diagram of the connecting pipe of the present invention.
Fig. 8 is a schematic structural view of the elbow pipe of the present invention.
Fig. 9 is a schematic structural diagram of the second filling layer after the grouting pipe is laid.
Fig. 10 is the schematic structural diagram of the third filling layer after the grouting pipe is laid.
Fig. 11 is the utility model discloses the concatenation state schematic diagram of ripple steel sheet splice in the arch ring.
Description of reference numerals:
1-concrete foundation; 2, filling a soil layer; 3-arch ring;
4-gravel grouting filling layer; 5-grouting a pipeline; 5-1-grouting pipe;
5-2-connecting pipe; 5-3-bending the pipe; 6-corrugated steel plate splicing blocks;
7-fastening bolts; 8-a dome filling layer; 9-filling layer outside the arch ring;
And 10, filling and layering.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention comprises a front concrete foundation 1 and a rear concrete foundation 1, a main arch erected above the two concrete foundations 1, and a filling layer 2 covering the main arch, wherein the two concrete foundations 1 are horizontally arranged and are arranged on the same horizontal plane;
The main arch comprises an arch ring 3 and a gravel grouting filling layer 4 arranged on the arch ring 3, the gravel grouting filling layer 4 is arranged between the arch ring 3 and a filling soil layer 2, and the bottoms of the front side and the rear side of the gravel grouting filling layer 4 are supported on one concrete foundation 1; the arch ring 3 is formed by bending corrugated steel plates, the front end and the rear end of the arch ring are supported on one concrete foundation 1, and the gravel grouting filling layer 4 is an arch filling layer;
The gravel grouting filling layer 4 comprises a gravel pavement layer paved on the arch ring 3, and the bottoms of the front side and the rear side of the gravel pavement layer are supported on one concrete foundation 1; a front grouting pipeline and a rear grouting pipeline 5 are symmetrically arranged in the gravel pavement layer, each grouting pipeline 5 is in a rectangular waveform, and the detailed view is shown in fig. 3; with reference to fig. 4, each grouting pipe 5 comprises a plurality of horizontally arranged grouting pipes 5-1, the plurality of grouting pipes 5-1 are arranged from bottom to top along the contour line of the arch ring 3 and are arranged along the transverse bridge direction, the lengths of the plurality of grouting pipes 5-1 are the same, and two adjacent grouting pipes 5-1 are connected by a connecting pipe 5-2; the grouting pipe 5-1 and the connecting pipe 5-2 are straight steel pipes, and the pipe wall of each grouting pipe 5-1 is provided with a plurality of grouting holes, which are shown in detail in figure 6; the grouting pipe 5-1 positioned at the lowest position in each grouting pipeline 5 is a lower grouting pipe, one end of the lower grouting pipe is connected with the connecting pipe 5-2, and the other end of the lower grouting pipe is a grouting opening.
The two grouting pipelines 5 are rectangular corrugated pipelines for injecting cement mortar into the gravel pavement layer, the cement mortar injected into the gravel pavement layer through the two grouting pipelines 5 forms a grouting filling structure, and the gravel pavement layer and the grouting filling structure are fixedly connected into a whole. The gravel grouting filling layer 4 is composed of the gravel paving layer and the grouting filling structure.
In this embodiment, the plurality of grouting holes on each grouting pipe 5-1 are all round holes and have the same aperture, and the plurality of grouting holes on each grouting pipe 5-1 are uniformly distributed and arranged in a quincunx manner.
In the embodiment, the outer diameter of the grouting pipe 5-1 is phi 30 mm-phi 40mm, and the wall thickness is 2 mm-4 mm. The aperture of the grouting hole is phi 5 mm-phi 6 mm.
In actual use, the outer diameter and the wall thickness of the grouting pipe 5-1 and the aperture of the grouting hole can be adjusted correspondingly according to specific requirements.
referring to fig. 7 and 8, in the present embodiment, each grouting pipe 5-1 and the connecting pipe 5-2 are connected by an elbow pipe 5-3, and the elbow pipe 5-3 is L-shaped.
In order to be connected simply and reliably, the bent pipe 5-3 is connected with the grouting pipe 5-1 and the connecting pipe 5-2 in a threaded mode.
In this embodiment, both ends of each grouting pipe 5-1 and both ends of each connecting pipe 5-2 are external thread connecting sections, and both ends of each bent pipe 5-3 are internal thread connecting sections for connecting with the external thread connecting sections.
When the grouting device is actually used, the other end of the lower grouting pipe is connected with grouting equipment through a connecting pipeline. In this embodiment, the grouting equipment is a high-pressure grouting machine.
In this embodiment, the lower port of each grouting pipe 5 is the grouting port, and the upper port of each grouting pipe 5 is a sealing port.
The vertical distance between two vertically adjacent grouting pipes 5-1 in each grouting pipeline 5 is 0.3 m-0.5 m, and the vertical distance between two vertically adjacent grouting pipes 5-1 in each grouting pipeline 5 is gradually reduced from bottom to top. In this embodiment, the circumferential intervals between two adjacent grouting pipes 5-1 in each grouting pipeline 5 are the same.
During actual construction, the vertical distance between two vertically adjacent grouting pipes 5-1 in each grouting pipeline 5 can be correspondingly adjusted according to specific requirements.
As shown in FIGS. 4 and 5, each grouting pipe 5 comprises M grouting pipes 5-1, wherein M is a positive integer and M is more than or equal to 3;
The broken stone pavement layer is divided into a vault filling layer 8 and two front and rear side filling layers, wherein the vault filling layer 8 is arranged above the middle part of the arch ring 3, the two side filling layers are symmetrically arranged, the two side filling layers are connected to form a lower filling layer, and the vault filling layer 8 is positioned right above the lower filling layer; each side filling layer is divided into M arch ring outer side filling layers 9 from bottom to top, and the thickness of the arch crown filling layer 8 is 0.3-0.5M; a filling layer 9 outside the arch ring is arranged between two adjacent grouting pipes 5-1 in each grouting pipeline 5;
The upper surface of each arch ring outer side filling layer 9 is a horizontal plane, and each arch ring outer side filling layer 9 is provided with one grouting pipe 5-1.
The filling layer 2 is divided into a plurality of filling layers 10 from bottom to top, and the upper surface of each filling layer 10 is a horizontal plane. In this embodiment, the outer side of each arch ring outer side filling layer 9 is uniformly provided with one filling layer 10, and the upper surface of each arch ring outer side filling layer 9 and the upper surface of the filling layer 10 located at the outer side thereof are arranged on the same horizontal plane. In this embodiment, the filling layer 2 is divided into 9 filling layers 10 from bottom to top.
In this embodiment, one of the grouting pipes 5-1 located at the lowermost position in each grouting pipeline 5 is a bottom grouting pipe, and the vertical distance between the bottom grouting pipe and the upper surface of the concrete foundation 1 is 0.05-0.2 m; the one grouting pipe 5-1 located at the top in each grouting pipeline 5 is a top grouting pipe which is located above one side of the middle of the arch ring 3.
During actual use, the vertical distance between the bottom grouting pipe and the upper surface of the concrete foundation 1 and the arrangement position of the top grouting pipe can be correspondingly adjusted according to specific requirements.
In this embodiment, the thickness of the gravel pavement layer is d, and the value range of d is 0.5m to 1 m.
During actual construction, the value of d can be adjusted correspondingly according to specific requirements.
All grouting pipes 5-1 in the two grouting pipelines 5 are positioned on the same arch surface, and the arch surface where all grouting pipes 5-1 in the two grouting pipelines 5 are positioned is a grouting surface.
In this embodiment, the clear distance between the grouting surface and the arch ring 3 is 
During actual construction, the thickness d of the gravel pavement layer and the clear distance between the grouting surface and the arch ring 3 can be correspondingly adjusted according to specific requirements.
In this embodiment, the concrete foundation 1 is a horizontally arranged cubic foundation. The concrete foundation 1 is a horizontal foundation for supporting the arch springing of the arch ring 3.
The corrugation direction (also called as corrugation direction) of the corrugated steel plate is the longitudinal bridge direction of the constructed arch bridge, and the corrugation direction of the corrugated steel plate refers to the arrangement direction of corrugations on the corrugated steel plate and also can be called as the extension direction of a wave trough or a wave crest on the corrugated steel plate.
As shown in fig. 11, the arch ring 3 is formed by splicing a plurality of corrugated steel plate splicing blocks 6, the corrugated steel plate splicing blocks 6 are rectangular, the corrugated steel plate splicing blocks 6 are arranged in multiple rows from left to right along a transverse bridge direction, each row of the corrugated steel plate splicing blocks 6 comprises a plurality of corrugated steel plate splicing blocks 6 arranged from front to back along a longitudinal bridge direction, and two adjacent corrugated steel plate splicing blocks 6 in the corrugated steel plate splicing blocks 6 are arranged in a staggered manner.
For simple and reliable connection, the two corrugated steel plate splicing blocks 6 which are adjacent to each other in the front and back of the arch ring 3 are all connected into a whole through a plurality of fastening bolts 7 which are arranged from left to right along a transverse bridge, and the two corrugated steel plate splicing blocks 6 which are adjacent to each other in the left and right of the arch ring 3 are all connected into a whole through a plurality of fastening bolts 7 which are arranged from front to back along a longitudinal bridge.
A plurality of embedded parts for fixing the arch rings 3 are embedded in each concrete foundation 1, and the embedded parts are distributed from left to right along the transverse bridge. In this embodiment, the embedded parts are embedded bolts vertically arranged, and the arch ring 3 is fastened and fixed on the concrete foundation 1 through the embedded bolts.
In this embodiment, the gravel pavement layer is a pavement layer formed by paving gravel on the arch ring 3, and the particle size of the gravel is 5 mm-20 mm. And each arch ring outer filling layer 9 is a paving layer formed by paving broken stones.
In this embodiment, M is 8. During actual construction, the value of M and the arrangement position of each grouting pipe 5-1 in the grouting pipeline 5 can be correspondingly adjusted according to specific requirements.
Each side filling layer comprises 8 arch ring outer side filling layers 9, the 8 arch ring outer side filling layers 9 are respectively a first filling layer, a second filling layer, a third filling layer, a fourth filling layer, a fifth filling layer, a sixth filling layer, a seventh filling layer and an eighth filling layer from bottom to top, and one grouting pipe 5-1 is uniformly distributed on each arch ring outer side filling layer 9. In this embodiment, the first filling layer has a thickness of 0.05m to 0.2 m. The layer thickness of each arch ring outer filling layer 9 except the first filling layer in each side filling layer is 0.3-0.5 m.
During actual construction, the two concrete foundations 1 are respectively constructed, and an arch ring 3 is erected between the two concrete foundations 1; and then, symmetrically paving the two side filling layers, and synchronously and respectively laying the two grouting pipelines 5 in the process of paving any one side filling layer, so that each grouting pipeline 5 is uniformly distributed in one side filling layer.
As shown in fig. 9 and 10, when any one of the side filling layers is actually paved, 8 outer filling layers 9 of the arch ring in the side filling layer are respectively paved from bottom to top, and after each outer filling layer 9 of the arch ring is paved, a grouting pipe 5-1 is arranged on each outer filling layer 9 of the arch ring; and the two adjacent grouting pipes 5-1 in each grouting pipeline 5 are connected through a connecting pipe 5-2. When the two side filling layers are paved, the laying process of the two grouting pipelines 5 is also completed synchronously.
And after the side filling layers are paved and the grouting pipelines 5 are uniformly distributed, paving the arch top filling layer 8, completing the paving process of the gravel paving layer, and obtaining the gravel paving layer which is paved. Each grouting pipe 5-1 in each grouting pipeline 5 is horizontally embedded in the gravel pavement layer, and the grouting pipes 5-1 are arranged close to the arch rings 3.
And after the gravel pavement layer is paved, filling and compacting soil above and at the front side and the rear side of the gravel pavement layer to obtain a filling layer 2. During actual construction, when the thickness of the filling soil above the middle part of the arch ring 3 is not less than 1m, the grouting equipment is adopted to synchronously press the grouting into the gravel pavement layer through the two grouting pipelines 5, and the grouting pressure (also called grouting pressure) is 1 MPa-3 MPa. During actual construction, the grouting pressure can be correspondingly adjusted according to specific requirements. In this embodiment, the upper surface of the filling layer 2 is a horizontal plane, and the slurry pressed into the gravel pavement layer through the two grouting pipes 5 is cement mortar. When actual grouting is performed, the grouting liquid can be cement and water glass double-liquid grouting.
And after the soil filling of the soil filling layer 2 is finished and the slurry (the cement mortar) synchronously pressed into the gravel paving layer through the two grouting pipelines 5 is solidified, obtaining a gravel grouting filling layer 4 and finishing the construction process of the soil covering corrugated steel plate bridge.
And in the process of symmetrically paving the two side filling layers, the filling layer 2 is synchronously constructed from bottom to top, and when any one of the two side filling layers, namely the arch ring outer side filling layer 9, is paved from bottom to top, the filling layer 10 outside the arch ring outer side filling layer 9 is constructed from bottom to top.
The grouting pipeline 5 is reasonable in structural design, simple and convenient to arrange and convenient to connect, and in the process of symmetrically paving the two side filling layers, the grouting pipes 5-1 in the grouting pipeline 5 are respectively arranged from bottom to top, and the two adjacent grouting pipes 5-1 are connected through a connecting pipe 5-2; after the two side filling layers are symmetrically paved, the laying and splicing processes of the two grouting pipelines 5 are completed, the two laid grouting pipelines 5 are obtained, the two grouting pipelines 5 are synchronously buried in the paving process of the gravel paving layer, and grouting pipes 5-1 are uniformly distributed in each area in the gravel paving layer. After the two grouting pipelines 5 are buried, grouting can be simply, conveniently and quickly performed in the gravel pavement layer, and the grouting effect can be ensured by reinforcing each region in the gravel pavement layer through grouting liquid.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (10)
1. The utility model provides an earthing ripple steel sheet bridge based on rubble slip casting filling layer which characterized in that: the concrete foundation comprises a front concrete foundation (1), a rear concrete foundation (1), a main arch erected above the two concrete foundations (1) and a filling layer (2) covering the main arch, wherein the two concrete foundations (1) are horizontally arranged and are arranged on the same horizontal plane;
The main arch comprises an arch ring (3) and a gravel grouting filling layer (4) arranged on the arch ring (3), the gravel grouting filling layer (4) is arranged between the arch ring (3) and a filling soil layer (2), and the bottoms of the front side and the rear side of the gravel grouting filling layer (4) are supported on one concrete foundation (1); the arch ring (3) is formed by bending corrugated steel plates, the front end and the rear end of the arch ring are supported on one concrete foundation (1), and the gravel grouting filling layer (4) is an arch filling layer;
The gravel grouting filling layer (4) comprises a gravel pavement layer paved on the arch ring (3), and the bottoms of the front side and the rear side of the gravel pavement layer are supported on one concrete foundation (1); a front grouting pipeline and a rear grouting pipeline (5) are symmetrically arranged in the gravel pavement layer, and each grouting pipeline (5) is rectangular; each grouting pipeline (5) comprises a plurality of horizontally arranged grouting pipes (5-1), the plurality of grouting pipes (5-1) are arranged from bottom to top along the contour line of the arch ring (3) and are arranged along the transverse bridge direction, the lengths of the plurality of grouting pipes (5-1) are the same, and two vertically adjacent grouting pipes (5-1) are connected through a connecting pipe (5-2); the grouting pipes (5-1) and the connecting pipes (5-2) are straight steel pipes, and the pipe wall of each grouting pipe (5-1) is provided with a plurality of grouting holes; the grouting pipe (5-1) located at the lowest position in each grouting pipeline (5) is a lower grouting pipe, one end of the lower grouting pipe is connected with the connecting pipe (5-2), and the other end of the lower grouting pipe is a grouting opening.
2. The earth-covered corrugated steel plate bridge based on the gravel grouting filling layer as claimed in claim 1, wherein: the other end of the lower grouting pipe is connected with grouting equipment through a connecting pipeline, and the two grouting pipelines (5) are rectangular corrugated pipelines for injecting cement mortar into the gravel pavement layer.
3. An earth-covered corrugated steel plate bridge based on a gravel grouting filling layer according to claim 1 or 2, characterized in that: the vertical distance between two adjacent grouting pipes (5-1) in each grouting pipeline (5) is 0.3-0.5 m.
4. The earth-covered corrugated steel plate bridge based on the gravel grouting filling layer as claimed in claim 3, wherein: each grouting pipeline (5) comprises M grouting pipes (5-1), wherein M is a positive integer and is more than or equal to 3;
The broken stone pavement layer is divided into a vault filling layer (8) arranged above the middle part of the arch ring (3) and two front and rear side filling layers which are symmetrically arranged, the two side filling layers are connected to form a lower filling layer, and the vault filling layer (8) is positioned right above the lower filling layer; each side filling layer is divided into M arch ring outer side filling layers (9) from bottom to top, and the thickness of each arch ring outer side filling layer (8) is 0.3-0.5M; a filling layer (9) outside the arch ring is arranged between two adjacent grouting pipes (5-1) in each grouting pipeline (5);
The upper surface of each arch ring outer side filling layer (9) is a horizontal plane, and each arch ring outer side filling layer (9) is provided with one grouting pipe (5-1).
5. An earth-covered corrugated steel plate bridge based on a gravel grouting filling layer according to claim 1 or 2, characterized in that: the thickness of the gravel pavement layer is d, and the value range of d is 0.5-1 m.
6. The earth-covered corrugated steel plate bridge based on the gravel grouting filling layer as claimed in claim 5, wherein: all grouting pipes (5-1) in the two grouting pipelines (5) are positioned on the same arch surface, and the arch surfaces where all grouting pipes (5-1) in the two grouting pipelines (5) are positioned are grouting surfaces.
7. The soil covering corrugated steel plate bridge based on the gravel grouting filling layer as claimed in claim 6, wherein: the clear distance between the grouting surface and the arch ring (3) is 
8. An earth-covered corrugated steel plate bridge based on a gravel grouting filling layer according to claim 1 or 2, characterized in that: and a plurality of embedded parts for fixing the arch rings (3) are embedded in each concrete foundation (1), and the embedded parts are distributed from left to right along the transverse bridge.
9. An earth-covered corrugated steel plate bridge based on a gravel grouting filling layer according to claim 1 or 2, characterized in that: the arch ring (3) is formed by splicing a plurality of corrugated steel plate splicing blocks (6), the corrugated steel plate splicing blocks (6) are rectangular, the corrugated steel plate splicing blocks (6) are distributed in a plurality of rows from left to right along a transverse bridge direction, each row of corrugated steel plate splicing blocks (6) comprises a plurality of corrugated steel plate splicing blocks (6) distributed from front to back along a longitudinal bridge direction, and the corrugated steel plate splicing blocks (6) in two adjacent rows of the corrugated steel plate splicing blocks (6) are distributed in a staggered mode;
The corrugated steel plate splicing blocks (6) arranged from left to right along a transverse bridge are fixedly connected into a whole by a plurality of fastening bolts (7), and the corrugated steel plate splicing blocks (6) arranged from front to back along a longitudinal bridge are fixedly connected into a whole by a plurality of fastening bolts (7).
10. An earth-covered corrugated steel plate bridge based on a gravel grouting filling layer according to claim 1 or 2, characterized in that: the gravel pavement layer is a pavement layer formed by paving gravel on the arch ring (3), and the particle size of the gravel is 5-20 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921207596.7U CN211079875U (en) | 2019-07-29 | 2019-07-29 | Soil covering corrugated steel plate bridge based on gravel grouting filling layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088757A (en) * | 2019-12-29 | 2020-05-01 | 正平路桥建设股份有限公司 | Soil-covered corrugated steel plate bridge construction method based on gravel grouting filling layer |
| CN113846576A (en) * | 2021-07-30 | 2021-12-28 | 浙江理工大学 | Thin-wall type arch bridge retaining wall structure with corrugated steel plate surface layer |
-
2019
- 2019-07-29 CN CN201921207596.7U patent/CN211079875U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088757A (en) * | 2019-12-29 | 2020-05-01 | 正平路桥建设股份有限公司 | Soil-covered corrugated steel plate bridge construction method based on gravel grouting filling layer |
| CN111088757B (en) * | 2019-12-29 | 2021-07-16 | 正平路桥建设股份有限公司 | Soil-covered corrugated steel plate bridge construction method based on gravel grouting filling layer |
| CN113846576A (en) * | 2021-07-30 | 2021-12-28 | 浙江理工大学 | Thin-wall type arch bridge retaining wall structure with corrugated steel plate surface layer |
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