Take prefabricated two storehouse concrete box culvert of escape canal
Technical Field
The utility model relates to a prefabricated box culvert specifically is a take prefabricated two storehouse concrete box culverts in escape canal belongs to box culvert engineering technical field.
Background
The utility tunnel, namely the underground city pipeline utility tunnel, is composed of concrete box culverts. The tunnel space is built in the city underground, various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like are integrated, a special overhaul port, a lifting port and a monitoring system are arranged, unified planning, unified design, unified construction and management are implemented, and the tunnel space is an important infrastructure and a 'life line' for guaranteeing city operation. The main body box culvert of the utility tunnel is mainly divided into a cast-in-place type and a factory prefabricated type. The inner bottom of the common box culvert is generally in a horizontal structure, and after the box culvert is connected, secondary molding and pouring of a pipe gallery are needed, so that the drainage problem is solved; when faced with complex line distribution, ordinary pipe galleries are inconvenient to use and design.
Disclosure of Invention
An object of the utility model is to provide a two storehouse concrete box culvert of prefabrication in area escape canal to the box culvert that proposes in solving above-mentioned background is connected and is required the piping lane secondary to make the mould after accomplishing, pours, solves the problem of inconvenient use of drainage problem and ordinary piping lane in the face of complicated line design.
In order to achieve the above object, the utility model provides a following scheme:
a prefabricated double-bin concrete box culvert with drainage ditches comprises a box culvert body, wherein two square single bins are arranged inside the box culvert body in mirror symmetry by taking a central line of the box culvert body as a symmetry axis, a partition wall is formed between the two square single bins, a main drainage channel penetrating through the partition wall is arranged at the lower end of the partition wall, a height difference exists between the left side height and the right side length of each square single bin, the bottom surface of each square single bin and the horizontal plane have a slope, the bottom surface of each square single bin inclines downwards towards the partition wall, an inverted isosceles trapezoid drainage ditch is arranged between the lowest end of the bottom surface of each square single bin and the inner wall of the partition wall, a plurality of connectors are arranged on the inner wall of the drainage ditch close to one side of the partition wall, the drainage ditch is connected with the main drainage channel through the connectors, tensioning holes are respectively arranged on the box culvert body positioned at four outer corners of the two square single bins, steel strands are arranged, the both ends of box culvert body are equipped with the interface, and two box culvert bodies pass through the anastomotic connection of interface around and.
Preferably, the lowest end of the connecting port is not higher than the lowest end of the drainage ditch, the highest end of the connecting port is not higher than the highest end of the drainage ditch, and the lowest end of the main drainage channel is not higher than the lowest end of the drainage ditch.
Preferably, the slope i =2% of the bottom surface of the square single bin from the horizontal plane.
Preferably, the steel strand is a phi 15.2 steel strand.
Preferably, the interface is a flexible tongue-and-groove, the interface includes a socket end and a socket end, the socket end is located at one end of the box culvert body, and the socket end is located at the other end of the box culvert body.
More preferably, the socket end is matched with the socket end, a glue groove is formed in the lower portion of the socket end, and a water-swelling rubber strip is arranged in the glue groove.
Preferably, the side wall of the box culvert body is provided with grouting holes at equal intervals along the height line direction, and the grouting holes penetrate through the side wall and are uniformly distributed on the side wall.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a take prefabricated two storehouses concrete box culvert in escape canal sets up the slope in the bottom in the square single storehouse of prefabricated box culvert, and the lower of the bottom of taking the slope is connected with the escape canal of falling isosceles trapezoid, solves the box culvert and connects and need the piping lane secondary to make a mould after accomplishing, pours, solves the problem of drainage problem, and water gets into the escape canal along the slope in, gets into the main water drainage channel from the connector in escape canal.
2. The utility model provides a two storehouse concrete box culvert of prefabricated of area escape canal designs into two storehouse structures, and two square single storehouse mirror images are arranged, have the advantage in the face of complicated circuit needs shut, utilize the slope to collect ponding simultaneously and get into in the total drainage channel for ponding can directly get into drainage system and carry out centralized processing and just add to restrict just can not influence the drainage problem as long as the escape canal is linked together with total drainage channel to the escape canal both ends.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of the X-point of the present invention.
Fig. 3 is a schematic structural diagram of the interface of the present invention.
In the figure: 1. a box culvert body; 2. a square single bin; 3. a drainage ditch; 4. stretching the hole; 5. steel strand wires; 6. an interface; 601. a socket end; 602. a female end; 603. a glue groove; 7. a water-swellable rubber strip; 8. grouting holes; 9. a main drain; 10. a connecting port; 11. a partition wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a prefabricated double-bin concrete box culvert with drainage ditches comprises a box culvert body 1, wherein the box culvert body 1 is internally provided with two square single bins 2 which are in mirror symmetry by taking a central line of the box culvert body 1 as a symmetry axis, a partition wall 11 is formed between the two square single bins 2, the lower end of the partition wall 11 is provided with a total drainage channel 9 penetrating through the partition wall 11, the left side height and the right side length of the square single bin 2 have a height difference, the bottom surface of the square single bin 2 has a slope with a horizontal plane, the bottom surface of the square single bin 2 is inclined downwards towards the partition wall 11, the drainage ditches 3 in an inverted isosceles trapezoid shape are arranged between the lowest end of the bottom surface of the square single bin 2 and the inner wall of the partition wall 11, the inner walls of the drainage ditches 3 close to one side of the partition wall 11 are provided with a plurality of connecting ports 10, the drainage ditches 3 are connected with the total drainage channel 9 through the connecting ports 10, the box culvert bodies 1 at four outer corners, the tension holes 4 are internally provided with steel strands 5, the two ends of the box culvert body 1 are provided with connectors 6, and the front box culvert body and the rear box culvert body 1 are connected and communicated in an inosculating manner through the connectors 6.
Further, the lowest end of connector 10 is not higher than the lowest end of escape canal 3, and the highest end of connector 10 is not higher than the highest end of escape canal 3, the lowest end of total drain 9 is not higher than the lowest end of escape canal 3, can make ponding flow into total drain 9 with natural mode and can not pile up in a large number in escape canal 3 through guaranteeing the position relation of three.
Further, the slope i =2% between the bottom surface of the square single bin 2 and the horizontal plane enables accumulated water to naturally flow into the drainage ditch 3 along the slope.
Further, the steel strand 5 is a phi 15.2 steel strand.
Further, the interface 6 is a flexible tongue-and-groove, the interface 6 includes a socket end 601 and a socket end 602, the socket end 601 is located at one end of the box culvert body 1, and the socket end 602 is located at the other end of the box culvert body 1.
Furthermore, the socket end 601 is matched with the socket end 602, a glue groove 603 is formed in the lower portion of the socket end 602, a water-swellable rubber strip 7 is arranged in the glue groove 603, the front box culvert and the rear box culvert are hermetically connected through a connector 6, and then the steel strand 5 penetrates through the tensioning hole 4 to be tensioned and fixed.
Further, the equal spaced slip casting hole 8 that is equipped with of edge altitude direction on the lateral wall of box culvert body 1, slip casting hole 8 runs through the lateral wall and evenly distributed on the lateral wall.
Utility model theory of operation: through being equipped with two square single storehouses 2 at box culvert body 1 internal mirror symmetry, the bottom surface of square single storehouse 2 sets up 2% slope, the lower of bottom surface is connected with escape canal 3, escape canal 3 is linked together through connector 10 and total drainage channel 9, make ponding can get into in the escape canal 3 along the slope, pass interface 10 after that and get into total drainage channel 9 and finally get into total drainage system, it needs piping lane secondary moulding to solve the box culvert and connects to accomplish the back, pour the problem that is used for solving the drainage problem, it is higher to make the box culvert construction efficiency, simultaneously when facing complicated circuit design more facilitate use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.