CN211849021U - Prefabricated frame type box culvert unit - Google Patents
Prefabricated frame type box culvert unit Download PDFInfo
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- CN211849021U CN211849021U CN202020386071.0U CN202020386071U CN211849021U CN 211849021 U CN211849021 U CN 211849021U CN 202020386071 U CN202020386071 U CN 202020386071U CN 211849021 U CN211849021 U CN 211849021U
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Abstract
The utility model discloses a prefabricated frame type box culvert unit, which comprises a top plate, a box culvert unit and a box culvert unit, wherein the box culvert unit is a door-shaped prefabricated structure consisting of a first flat plate and lug plates, the two ends of which extend downwards, and the lug plates are provided with lower surfaces; the side plate is an L-shaped prefabricated structure formed by a vertical plate and a second flat plate which is arranged in an extending mode, the vertical plate comprises a solid plate located on the inner side and a reinforcing rib plate located on the outer side, the solid plate is provided with an upper surface, and the end portion of the second flat plate is provided with an inner surface; a bottom plate which is a plane-shaped preform structure composed of a third flat plate having outer surfaces at both ends; a connecting portion including a first connecting structure disposed between the upper and lower surfaces and a second connecting structure disposed between the inner and outer surfaces; the top plate, the side plates and the bottom plate form a hollow closed annular frame structure through the connecting parts. The utility model discloses small, the dead weight is light, is convenient for transport and hoist and mount, and the field assembly is convenient, has improved the efficiency of construction greatly.
Description
Technical Field
The utility model belongs to the technical field of municipal administration bridge culvert construction technique and specifically relates to a prefabricated frame-type box culvert unit is related to.
Background
In recent years, with the improvement of the living standard of residents, the quantity of civil automobiles is increased, so that town roads are more crowded. In order to alleviate the traffic jam, the municipal administration increases the investment of infrastructure, and when the complex terrain condition is met, bridges and/or culverts need to be built. The culvert is a drainage facility built below the road surface, adopts the mode of on-site excavation and pouring in the early stage, has longer construction period and can not ensure the construction quality. In order to improve the situation, the prior art mostly adopts a prefabricated box culvert technology. However, the existing precast box culvert is mostly produced in a factory and integrally, the self weight of precast concrete box culvert components is large, the external dimension is seriously exceeded, and the difficulty of vehicle transportation and hoisting is greatly increased; secondly, the connecting component structure of adjacent box culvert is complicated, the installation is difficult, leads to the efficiency of construction to descend, and the cost increases, and the potential safety hazard problem increases thereupon.
Disclosure of Invention
In order to solve the problem, the utility model provides a dead weight is light, be convenient for transportation and hoist and mount, connect convenient, the shorter prefabricated frame-type box culvert unit of construction period, specifically can take following technical scheme:
prefabricated frame-type box culvert unit, include
The top plate is a door-shaped prefabricated structure formed by a first flat plate and lug plates with two ends extending downwards, and the lug plates are provided with lower surfaces;
the side plate is an L-shaped prefabricated structure formed by a vertical plate and a second flat plate which is arranged in an extending mode, the vertical plate comprises a solid plate located on the inner side and a reinforcing rib plate located on the outer side, the solid plate is provided with an upper surface, and the end portion of the second flat plate is provided with an inner surface;
a bottom plate which is a plane-shaped preform structure composed of a third flat plate having outer surfaces at both ends;
a connecting portion including a first connecting structure disposed between the upper and lower surfaces and a second connecting structure disposed between the inner and outer surfaces;
the top plate, the side plates and the bottom plate form a hollow closed annular frame structure through the connecting parts.
The first connecting structure is a groove and a protrusion which are arranged between the upper surface and the lower surface and matched with each other, and the second connecting structure is a cast-in-place wet joint arranged between the inner surface and the outer surface.
The sum of the thicknesses of the solid plate and the reinforcing rib plate is equal to the thickness of the lug plate, and the thicknesses of the second flat plate and the third flat plate are equal.
The thickness of the solid plate is 20-30cm, and the thickness of the reinforcing rib plate is 30-40 cm.
The reinforcing rib plate comprises a plurality of transverse plates and vertical plates which are perpendicular to the solid plate, and a plurality of screw penetrating holes are formed in the vertical plates which are close to the edges of the side plates.
The lower surface of the first flat plate is provided with a plurality of weight reduction grooves arranged along the length direction of the culvert.
The top plate, the side plates and the bottom plate form a hollow rectangular frame structure through the connecting parts.
The utility model provides a prefabricated frame-type box culvert unit, including factory standardization prefabricated roof, curb plate and bottom plate, its is small, the dead weight is light, is convenient for transport and hoist, and during the field assembly, the wet seam of accessible is connected bottom plate and curb plate together, pieces together curb plate and roof fast through arch and recess, forms a confined box culvert unit, and rethread bolt longitudinal connection box culvert unit constitutes complete box culvert, has improved the efficiency of construction greatly. The utility model has the advantages that specifically as follows:
1) the side plate with the reinforcing rib plate can effectively reduce the thickness of the side plate and the dead weight without reducing the rigidity of the side plate, and is convenient for laying a screw rod and longitudinal connection of box culvert units;
2) the utility model divides each box culvert unit into four prefabricated blocks, which are prefabricated in factories according to design standards, and the transportation and hoisting are convenient, thereby reducing the using amount of on-site construction templates, shortening the construction period, and being safe and reliable;
3) the top plate and the side plate of the utility model are assembled together through the bulges and the grooves, thereby avoiding the use of bolts, reducing the field installation time and lowering the overall cost;
4) the self weight of the precast block can be effectively reduced by arranging the reinforcing rib plates on the side plates and arranging the weight reduction grooves on the top plate; under the condition that the weight of the precast block is limited, the size of the precast block can be larger, the division of longitudinal units is effectively reduced, and the construction efficiency is improved; the advantages of the large-size prefabricated box culvert are more obvious.
Drawings
Fig. 1 and 2 are schematic structural diagrams of the present invention.
Fig. 3 is a schematic view of a longitudinal connection structure of the side plates in fig. 1 and 2.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-3, the prefabricated frame type box culvert unit of the present invention comprises: the top plate 1 is a door-shaped prefabricated structure formed by a first flat plate and lug plates with two ends extending downwards, the two lug plates are provided with lower surfaces, and in order to reduce the weight of a unit volume, the lower surface of the first flat plate is also provided with a plurality of weight reduction grooves a (shown in figure 2) arranged along the length direction of the culvert; the side plate 2 is an L-shaped prefabricated structure formed by vertical plates and extended second flat plates, each vertical plate comprises a solid plate 2.1 positioned on the inner side and a reinforcing rib plate 2.2 positioned on the outer side, the solid plate 2.1 is provided with an upper surface, the end parts of the second flat plates are provided with inner surfaces, the sum of the thicknesses of the solid plate 2.1 and the reinforcing rib plate 2.2 is equal to the thickness of an ear plate of the top plate 1, the thickness of the solid plate 2.1 is 20-30cm in a normal condition, and the thickness of the reinforcing rib plate 2.2 is 30-40 cm; a bottom plate 3 which is a plane-shaped prefabricated structure composed of third flat plates having the same thickness as the second flat plates among the side plates 2, each of the third flat plates having outer surfaces at left and right ends thereof; a connecting part which comprises a first connecting structure 4 arranged between the upper surface and the lower surface and a second connecting structure 5 arranged between the inner surface and the outer surface, specifically, as shown in fig. 1 and 2, the first connecting structure 4 is a bulge arranged on the lower surface of the ear plate of the top plate 1 and a groove arranged on the upper surface of the solid plate 2.1 of the side plate 2 corresponding to the bulge, and the second connecting structure 5 is a wet joint poured between the end surfaces of the second flat plate of the side plate and the third flat plate of the bottom plate; by means of the connecting portions, a top plate 1, two side plates 2 and a bottom plate 3 can form a hollow closed ring frame structure (generally, a hollow rectangle as shown in fig. 1 and 2), forming a box culvert unit. It should be noted that the reinforcing rib plate 2.2 of the side plate includes a plurality of transverse plates and vertical plates perpendicular to the solid plate 2.1, and for the convenience of longitudinal connection of the box culvert unit, a plurality of screw rod through holes 2.3 are opened on the vertical plate near the edge of the side plate.
During construction, the two side plates 2 are installed firstly, the bottom plate 3 is placed according to the designed position, and then the wet joint between the bottom plate 3 and the side plates 2 is poured; and assembling the top plate 1 on the side plates 2 to form the box culvert unit. For the box culvert units arranged in the longitudinal direction, two adjacent box culvert units A, B can be connected by inserting the screw 6 into the screw insertion holes 2.3 adjacent to each other and screwing the nuts 7 at both ends of the screw 6 for fixation (see fig. 3). During construction, the prefabricated frame box culvert is assembled according to the sequence, so that the prefabricated frame box culvert can be tightly connected, and is safe, reliable and integrally stable.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (7)
1. The utility model provides a prefabricated frame-type box culvert unit which characterized in that: comprises that
The top plate is a door-shaped prefabricated structure formed by a first flat plate and lug plates with two ends extending downwards, and the lug plates are provided with lower surfaces;
the side plate is an L-shaped prefabricated structure formed by a vertical plate and a second flat plate which is arranged in an extending mode, the vertical plate comprises a solid plate located on the inner side and a reinforcing rib plate located on the outer side, the solid plate is provided with an upper surface, and the end portion of the second flat plate is provided with an inner surface;
a bottom plate which is a plane-shaped preform structure composed of a third flat plate having outer surfaces at both ends;
a connecting portion including a first connecting structure disposed between the upper and lower surfaces and a second connecting structure disposed between the inner and outer surfaces;
the top plate, the side plates and the bottom plate form a hollow closed annular frame structure through the connecting parts.
2. A prefabricated frame-type box culvert unit according to claim 1, wherein: the first connecting structure is a groove and a protrusion which are arranged between the upper surface and the lower surface and matched with each other, and the second connecting structure is a cast-in-place wet joint arranged between the inner surface and the outer surface.
3. A prefabricated frame-type box culvert unit according to claim 1, wherein: the sum of the thicknesses of the solid plate and the reinforcing rib plate is equal to the thickness of the lug plate, and the thicknesses of the second flat plate and the third flat plate are equal.
4. A prefabricated frame-type box culvert unit according to claim 1, wherein: the thickness of the solid plate is 20-30cm, and the thickness of the reinforcing rib plate is 30-40 cm.
5. A prefabricated frame-type box culvert unit according to claim 1, wherein: the reinforcing rib plate comprises a plurality of transverse plates and vertical plates which are perpendicular to the solid plate, and a plurality of screw penetrating holes are formed in the vertical plates which are close to the edges of the side plates.
6. A prefabricated frame-type box culvert unit according to claim 1, wherein: the lower surface of the first flat plate is provided with a plurality of weight reduction grooves arranged along the length direction of the culvert.
7. A prefabricated frame-type box culvert unit according to claim 1, wherein: the top plate, the side plates and the bottom plate form a hollow rectangular frame structure through the connecting parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020386071.0U CN211849021U (en) | 2020-03-24 | 2020-03-24 | Prefabricated frame type box culvert unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020386071.0U CN211849021U (en) | 2020-03-24 | 2020-03-24 | Prefabricated frame type box culvert unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211849021U true CN211849021U (en) | 2020-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020386071.0U Active CN211849021U (en) | 2020-03-24 | 2020-03-24 | Prefabricated frame type box culvert unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211849021U (en) |
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2020
- 2020-03-24 CN CN202020386071.0U patent/CN211849021U/en active Active
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