CN210458820U - Roadbed structure capable of resisting culvert outer edge settlement - Google Patents

Abstract

The utility model discloses a roadbed structure that anti culvert outer edge subsides relates to the technical field of culvert. The culvert comprises a culvert body, an underground concrete layer laid on the lower end face of the culvert body and a roadbed layer laid on the periphery of the culvert body, wherein an asphalt layer is laid on the upper end face of the roadbed layer, a plurality of transverse steel bars are fixed on the upper end face of the culvert body, and a plurality of steel bar frames used for supporting the corresponding transverse steel bars are respectively fixed on two sides of the culvert body; the reinforcing bar frame includes the perpendicular reinforcing bar of a plurality of perpendicular to horizontal bars and connects the horizontal reinforcement of a plurality of perpendicular reinforcing bars, the culvert construction in-process, will erect reinforcing bar and horizontal reinforcement and fix the both sides at the culvert body, then erect the horizontal reinforcement, make horizontal reinforcement and reinforcing bar parcel week side at the culvert body, support the road-based layer, the road-based layer that is close to the culvert body uses reinforcing bar frame and horizontal reinforcement as the skeleton, the strength of stress and structural firmness are better, can effectively alleviate the pressure of pitch layer to road-based layer, reach the effect of anti subsidence.

Description

Roadbed structure capable of resisting culvert outer edge settlement

Technical Field

The utility model belongs to the technical field of the technique of culvert and specifically relates to a roadbed structure that anti culvert outer edge subsides is related to.

Background

The culvert is a water passage arranged below a roadbed in order to enable a road to smoothly pass through a water channel without obstructing traffic in the road construction. The water-saving road is used for draining flood across natural valley depressions, or is used as an interchange for people, livestock and vehicles across large and small roads, or is used as a ditch for farmland irrigation.

The culvert mainly comprises a tunnel body, a highway positioned on the upper end face of the tunnel body and roadbed positioned on two sides of the tunnel body. With the progress of the building technology, the tunnel body of the culvert is usually cast and molded in advance and then transported to the site for installation, before the installation, the roadbed near the culvert is excavated, then the tunnel body is fixed, finally the roadbed is paved on two sides of the tunnel body again, and finally the upper end surface of the tunnel body forms a road.

Patent publication No. CN202031040U discloses a but severe hard assembled culvert structure in severe cold district, including the side barricade that constitutes the culvert both sides and with the upper cover plate that the side barricade top cooperation is connected, be equipped with the heel board that becomes the L type with this side barricade in the bottom outside of side barricade, be equipped with the sill beam that sets up with the side barricade mutually perpendicular of both sides in the bottom inboard of side barricade. The culvert of the utility model has novel structure, ingenious matching of the branch openings, and convenient and fast assembly; the plate has reasonable specification and size, and is convenient for on-site prefabrication, hoisting and combination.

The above prior art solutions have the following drawbacks: because the fabricated culvert is usually made of concrete and has different compaction degrees with the roadbeds paved on the peripheral sides, the roadbeds on the two sides of the culvert are easy to sink after the highway is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roadbed structure that anti culvert outer edge subsides, its advantage: the steel bar frame through culvert body both sides and the transverse bar that the steel bar frame supported have strengthened road bed's structural strength, and road bed lays the in-process, and the steel bar frame inlays to be established in road bed, and road bed's hard degree is higher, can effectively counter the subside on the outer edge of culvert.

The utility model discloses a can realize through following technical scheme:

the roadbed structure capable of resisting culvert outer edge settlement comprises a culvert body, an underground concrete layer laid on the lower end face of the culvert body and a roadbed layer laid on the periphery of the culvert body, wherein an asphalt layer is laid on the upper end face of the roadbed layer;

a plurality of transverse steel bars are fixed on the upper end surface of the culvert body, and a plurality of steel bar frames for supporting the corresponding transverse steel bars are respectively fixed on two sides of the culvert body;

the reinforcing steel bar frame comprises a plurality of vertical reinforcing steel bars perpendicular to the transverse reinforcing steel bars and horizontal reinforcing steel bars connected with the vertical reinforcing steel bars.

Through adopting above-mentioned technical scheme, at first lay secret concrete layer, then will pour fashioned culvert body and fix the up end on secret concrete layer to lay road bed layer in the week side of culvert body, lay the pitch layer at last, accomplish the construction of culvert. In the construction process, will erect reinforcing bar and horizontal reinforcement welded fastening in the both sides of culvert body, then erect the horizontal reinforcement, make horizontal reinforcement and reinforcing bar frame parcel in the week side of culvert body, support the road bed layer, the road bed layer that is close to the culvert body uses reinforcing bar frame and horizontal reinforcement as the skeleton, and the atress intensity and structural firmness are all better, can effectively alleviate the asphalt layer to the pressure of road bed layer, reach the effect of anti-sinking.

Further setting the following steps: and the plurality of transverse steel bars are arranged in an array along the length direction of the culvert body.

Through adopting above-mentioned technical scheme, a plurality of transverse reinforcement carry out holistic support with the road bed of culvert body up end after fixed, and transverse reinforcement distributes evenly, and road bed structural strength everywhere, hard degree are unanimous, are difficult to appear the phenomenon that partial road bed subsides.

Further setting the following steps: and the horizontal steel bars are arranged in an array along the height direction of the vertical steel bars.

Through adopting above-mentioned technical scheme, a plurality of horizontal reinforcement are fixed a plurality of perpendicular reinforcing bars, have strengthened the structural strength of perpendicular reinforcing bar, and when roadbed pressure is great, the reinforcing bar frame is sustainable to the roadbed layer add the reality support and be difficult to take place to warp, can effectively alleviate the roadbed layer and subside.

Further setting the following steps: and rib reinforcing steel bars are fixed between every two adjacent horizontal reinforcing steel bars.

Through adopting above-mentioned technical scheme, rib steel muscle makes and is formed with a plurality of triangular structure between the vertical reinforcement in the steel reinforcement frame and the horizontal reinforcement, and the steel reinforcement frame is more firm, and support intensity is better.

Further setting the following steps: first oblique reinforcing bars are fixed at the end parts of the transverse reinforcing bars, and one ends, far away from the transverse reinforcing bars, of the first oblique reinforcing bars are fixed with the reinforcing bar frames.

Through adopting above-mentioned technical scheme, form the triangle structure between first oblique reinforcing bar, horizontal bar and the reinforcing bar frame, the structure of horizontal bar is more firm, and is better to the roadbed layer supporting effect of culvert body up end, can effectively alleviate and subside.

Further setting the following steps: and a second oblique steel bar is further fixed at one end of the steel bar frame close to the underground concrete layer, and one end of the second oblique steel bar far away from the steel bar frame is fixed in the underground concrete layer.

Through adopting above-mentioned technical scheme, form the triangle structure between second oblique reinforcing bar, underground concrete layer and the reinforcing bar frame for reinforcing bar frame's fixed more firm, be difficult to crooked, the vertical reinforcement can remain throughout and be perpendicular with underground concrete layer, can be more effectively to anti road bed subside.

Further setting the following steps: two slope protection plates arranged at included angles are fixed at two ends of the culvert body.

Through adopting above-mentioned technical scheme, two slope protection boards carry out the interception protection with the side slope of culvert body both sides respectively, can effectively avoid the road bed to lead to the landslide to subside along the length direction diffusion of culvert body, have strengthened the holistic structural strength of culvert.

Further setting the following steps: and an overground concrete layer is further laid between the roadbed layer and the asphalt layer.

Through adopting above-mentioned technical scheme, concrete layer makes between roadbed layer and the pitch layer inseparabler on the ground, keeps making adjacent two-layer compactness transition more gentle, is difficult to appear great difference, reduces the probability that subsides and take place.

To sum up, the utility model discloses a beneficial technological effect does:

1. the reinforcing steel frames fixed on the two sides of the culvert body horizontally support the transverse steel bars, so that the overall structural strength and the rigidity of the roadbed layer are enhanced, the stress strength of the roadbed layer is increased, and the settlement can be effectively relieved;

2. the rib steel bars, the first oblique steel bars and the second oblique steel bars enable a plurality of triangular structures to be formed among the steel bar frames, the transverse steel bars and the underground concrete layer, the steel bar frames and the transverse steel bars are more stable in structure, and the deflection and deformation are not easy to occur in the supporting process, so that the sinking resistance of the roadbed layer can be effectively improved;

3. two slope protection plates with included angles are used for supporting the roadbed layer in the length direction of the culvert body, so that landslide and the roadbed layer can be effectively avoided, and the service life of the culvert is prolonged.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention.

Reference numerals: 1. a culvert body; 2. an underground concrete layer; 3. a roadbed layer; 4. an asphalt layer; 5. transverse reinforcing steel bars; 6. erecting steel bars; 7. horizontal reinforcing steel bars; 8. rib reinforcing steel bars; 9. a first diagonal reinforcement bar; 10. a second diagonal reinforcement bar; 11. a slope protection plate; 12. an above ground concrete layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the roadbed structure for resisting culvert outer edge settlement disclosed in the present embodiment includes a culvert body 1, an underground concrete layer 2 laid on the lower end surface of the culvert body 1, and a roadbed layer 3 laid on the periphery of the culvert body 1. The section of culvert body 1 is the arch, and the width of underground concrete layer 2 is greater than the width of culvert body 1, and the height of roadbed layer 3 is higher than the height of culvert body 1. An upper end face of the roadbed layer 3 is paved with an overground concrete layer 12, and an asphalt layer 4 is paved on the upper end face of the overground concrete layer 12. The construction method comprises the steps that workers firstly pour an underground concrete layer 2 at the culvert construction position, then assemble and fix a culvert body 1 on the upper end face of the underground concrete layer 2, pave a road base layer 3 on the periphery of the culvert body 1, and finally pave an above-ground concrete layer 12 and an asphalt layer 4 to complete the construction of the culvert. Both ends of culvert body 1 all are fixed with two concrete placement fashioned revetment boards 11, are the obtuse angle setting between two revetment boards 11, and after the pitch layer 4 was laid and is accomplished, the revetment board 11 can carry out effectual protection in order to avoid the landslide to subside to the side slope of culvert body 1 both sides.

Referring to fig. 2, the up end of culvert body 1 is fixed with a plurality of transverse bars 5 in roadbed layer 3, and transverse bars 5 set up along the width direction of culvert body 1, and a plurality of transverse bars 5 set up along the length direction array of culvert body 1 for support roadbed layer 3 and strengthen roadbed layer 3's structural strength. The both sides of culvert body 1 are fixed with the reinforcing bar frame in the lower terminal surface of horizontal reinforcing bar 5, and two reinforcing bar frame cooperations support horizontal reinforcing bar 5. The reinforcing bar frame includes three vertical reinforcement 6 perpendicular to horizontal reinforcement 5, and three vertical reinforcement 6 are the triangle-shaped and arrange, still includes a plurality of horizontal reinforcement 7 that are used for connecting three vertical reinforcement 6 in the reinforcing bar frame, and every horizontal reinforcement 7 all is the triangle-shaped, and three vertical reinforcement 6 are located three angles of horizontal reinforcement 7 respectively. A plurality of horizontal reinforcing bars 7 are arranged in an array along the height direction of the vertical reinforcing bars 6.

Referring to fig. 2, rib steel bars 8 are further fixed between two adjacent horizontal steel bars 7, and after the rib steel bars 8, the horizontal steel bars 7 and the vertical steel bars 6 are welded and combined, a plurality of triangular structures are formed in the whole steel bar frame, so that the structure of the steel bar frame is more stable, the steel bar frame can effectively keep a vertical state under traffic pressure above a culvert, and the steel bar frame can well support the horizontal steel bars 5, so that the function of resisting subgrade settlement is realized.

Referring to fig. 2, both ends of the transverse steel bar 5 are fixed with first oblique steel bars 9, one end of each first oblique steel bar 9, which is far away from the transverse steel bar 5, is fixed on a vertical steel bar 6, which is farthest away from the culvert body 1, in the steel bar frame, one end of each vertical steel bar 6, which is close to the underground concrete layer 2, is fixed with a second oblique steel bar 10, and one end of each second oblique steel bar 10, which is far away from the vertical steel bar 6, is fixed in both ends of the underground concrete. First diagonal reinforcement 9, horizontal reinforcement 5 and vertical reinforcement 6 to and be formed with a plurality of triangular structures between second diagonal reinforcement 10, secret concrete layer 2 and the vertical reinforcement 6, strengthened vertical reinforcement 6 to the support of horizontal reinforcement 5 and secret concrete layer 2 to the support of vertical reinforcement 6. The steel reinforcement frame is difficult to subside, can carry out better support to roadbed 3, and roadbed 3 lays inside the steel reinforcement frame simultaneously, can effectively strengthen the 1 week side's of culvert body road bed hardness to reach the effect of antagonism road bed subsides.

The implementation principle and the beneficial effects of the embodiment are as follows:

in the culvert construction process, a plurality of reinforcing steel frames are fixed respectively in the both sides of culvert body 1, and when laying the road bed, the road bed that is close to culvert body 1 cooperates the reinforcing steel frame to lay, and is more rigid. And the inside triangular structure of reinforcing bar frame and 5 or the triangular structure between the underground concrete layer 2 have then strengthened the structural strength of reinforcing bar frame, and the reinforcing bar frame supports the 5 horizontal bars of the 1 up end of culvert body, improves the support firmness of culvert body 1 to way basic unit 3, can effectively alleviate the way basic unit 3 that the pressure that pitch layer 4 produced 3 of way basic units caused subsides.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. Roadbed structure that anti culvert outer edge subsides, include culvert body (1), lay underground concrete layer (2) of terminal surface under culvert body (1) and lay in roadbed layer (3) of culvert body (1) week side, asphalt layer (4), its characterized in that have been laid to the up end of roadbed layer (3):

a plurality of transverse steel bars (5) are fixed on the upper end face of the culvert body (1), and a plurality of steel bar frames for supporting the corresponding transverse steel bars (5) are respectively fixed on two sides of the culvert body (1);

the reinforcing steel bar frame comprises a plurality of vertical reinforcing steel bars (6) perpendicular to the transverse reinforcing steel bars (5) and horizontal reinforcing steel bars (7) connected with the vertical reinforcing steel bars (6).

2. The anti-culvert outer rim settlement roadbed structure according to claim 1, characterized in that a plurality of the transverse steel bars (5) are arranged in an array along the length direction of the culvert body (1).

3. The anti-culvert outer rim settlement roadbed structure according to claim 1, characterized in that a plurality of the horizontal reinforcing bars (7) are arranged in an array along the height direction of the vertical reinforcing bars (6).

4. The anti-culvert outer edge settlement roadbed structure according to claim 3, characterized in that rib steel bars (8) are fixed between two adjacent horizontal steel bars (7).

5. The roadbed structure for resisting culvert outer rim settlement according to claim 1, characterized in that the end of the transverse steel bar (5) is fixed with a first diagonal steel bar (9), and the end of the first diagonal steel bar (9) far away from the transverse steel bar (5) is fixed with the steel bar frame.

6. The anti-culvert outer edge settlement roadbed structure according to claim 5, characterized in that a second diagonal reinforcement (10) is further fixed at one end of the reinforcement frame close to the underground concrete layer (2), and one end of the second diagonal reinforcement (10) far away from the reinforcement frame is fixed in the underground concrete layer (2).

7. The roadbed structure for resisting culvert outer edge settlement according to claim 1, characterized in that two slope protection plates (11) arranged at an included angle are fixed at both ends of the culvert body (1).

8. The anti-culvert outer edge settlement roadbed structure according to claim 7, characterized in that an above ground concrete layer (12) is further laid between the roadbed layer (3) and the asphalt layer (4).

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