CN210886806U

CN210886806U - Hidden bridge type airport runway

Info

Publication number: CN210886806U
Application number: CN201921687000.8U
Authority: CN
Inventors: 程国勇; 金玉婷; 陈超; 周宁; 郭吕坡
Original assignee: Civil Aviation University of China
Current assignee: Ciic Avionics Tianjin Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-30
Anticipated expiration: 2029-10-10

Abstract

A dark bridge type airport runway. The prefabricated tunnel comprises prefabricated tunnel panels, blocking platforms, cross beams, stand columns and ditches; the utility model provides a dark bridge type airport runway has following beneficial effect: the bridge is combined with the ditch, the bridge is laid in the ditch, and the bridge deck pavement is flush with the ground surface. The aircraft can take off and land on the deck as in a conventional airport runway. The method can overcome a series of diseases such as structural damage and uneven pavement caused by uneven settlement of the foundation, and greatly improve the durability of the pavement. The rapid maintenance of the pavement can be realized, and the defects that the maintenance of the common cement concrete pavement is difficult, the construction cost is high without navigation and even the implementation cannot be realized are overcome. The bridge deck pavement adopts a prefabricated road panel and is connected with the bridge main body through a cylindrical baffle platform. The space under the bridge can be used as a passage for placing or maintaining facilities such as drainage, navigation aid lamps and the like, and the interference of facility maintenance on the ground operation of the airplane can be greatly reduced.

Description

Hidden bridge type airport runway

Technical Field

The utility model belongs to the technical field of airport infrastructure, especially, relate to a dark bridge formula airport runway.

Background

At present, most of domestic airports have the problems of low service life of runways, poor working environment, difficult maintenance and the like, so that the daily maintenance and the repair of the runways of the airports are important contents for airport management. In the maintenance process of the runway of the airport, due to the strict requirements on non-stop construction and aviation safety, the damage repair cost of the runway is extremely high, the repair time is long, most airports do not have the stop condition, and the runway is in a hidden danger use state. In addition, China has a large number of airport runways to reach or be reached the design life, but the airports only have one runway and do not have the condition of large-scale extension or transition, so most of the airport runways mainly depend on maintenance work to prolong the life of the airport runways, and when the surface layers of the runways are aged, the airport runways are generally repaired by a method of covering asphalt mixture; when cracks appear on the runway, mainly performing crack pouring maintenance; when the runway subsides, mainly utilize the mode of pipe curtain and excavation cavern, to subsiding the production reason, advance and restore slip casting to the soil body under the runway in different construction stages, different positions. However, the cost is high, the situation is repeated, the non-navigation-stopping construction target cannot be realized, and as a result, the operation efficiency of the airport is reduced, so that how to prolong the service life of the airport runway is a problem which needs to be solved urgently at present.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a hidden bridge type airport runway.

In order to achieve the purpose, the utility model provides a dark bridge type airport runway, which comprises a prefabricated runway panel, a baffle platform, a beam, a column and a ditch; wherein, the lower parts of two side walls of the ditch are respectively provided with a drainage ditch; the plurality of upright columns are divided into at least two rows side by side, and the lower ends of the plurality of upright columns in each row are arranged on the bottom surface of the ditch at intervals along the length direction of the ditch; the cross beams are of a horizontally arranged rectangular plate-shaped structure, the edge parts of two sides respectively extend upwards to form an edge, a plurality of semi-cylindrical clamping grooves are formed on the inner side wall of the edge at intervals along the length direction of the ditch, the cross beams are arranged at the tops of the columns in a close connection mode at the front end and the rear end, the upper ends of the edges are flush with the tops of the ditches, gaps are reserved between the side surfaces of the cross beams and the side walls of the ditches, and the lower ends of the gaps are communicated with the ditch; the blocking platforms are cylindrical, the lower ends of the blocking platforms are connected to the surface, located on the inner side of the edge, of the beam in a rectangular grid shape, the upper ends of the blocking platforms are flush with the upper ends of the edge, and the half circumferential surfaces, located on the outer sides of the blocking platforms on the two sides, of the blocking platforms are embedded into the clamping grooves in the two edges of the beam respectively; the prefabricated road panel is of a rectangular structure, the middle parts of the edges of the two sides are inwards sunken to form a semi-cylindrical clamping groove, the prefabricated road panels are arranged between the two adjacent rows of blocking platforms or the edges of the blocking platforms and the edge of the cross beam in a close connection mode at the front end and the rear end, and the two clamping grooves on each prefabricated road panel are respectively clamped on the semi-circumferential surfaces of the two adjacent rows of blocking platforms or the corresponding pairs of blocking platforms on the edges of the blocking platforms and the cross beam.

The prefabricated pavement slab sequentially comprises a plain concrete layer, a cement concrete layer and an asphalt concrete buffer layer from top to bottom.

The utility model provides a dark bridge type airport runway has following beneficial effect:

the bridge is combined with the ditch, the bridge is laid in the ditch, and the bridge deck pavement is flush with the ground surface. The aircraft can take off and land on the deck as in a conventional airport runway. The method can overcome a series of diseases such as structural damage and uneven pavement caused by uneven settlement of the foundation, and greatly improve the durability of the pavement. The rapid maintenance of the pavement can be realized, and the defects that the maintenance of the common cement concrete pavement is difficult, the construction cost is high without navigation and even the implementation cannot be realized are overcome. The bridge deck pavement adopts a prefabricated road panel and is connected with the bridge main body through a cylindrical baffle platform. The space under the bridge can be used as a passage for placing or maintaining facilities such as drainage, navigation aid lamps and the like, and the interference of facility maintenance on the ground operation of the airplane can be greatly reduced.

Drawings

Fig. 1 is the utility model provides a dark bridge type airport runway transverse section.

Fig. 2 is the utility model provides a dark bridge type airfield runway middle cross beam, prefabricated road panel and keep off a combined structure sketch map.

Detailed Description

The present invention provides a hidden bridge type airport runway, which is described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, the hidden bridge type airport runway provided by the present invention comprises a prefabricated runway panel 1, a baffle 2, a beam 3, a column 4 and a ditch 7; wherein, a drainage ditch 8 is respectively formed at the lower parts of two side walls of the ditch 7; the plurality of upright posts 4 are divided into at least two rows side by side, and the lower ends of the plurality of upright posts 4 in each row are arranged on the bottom surface of the ditch 7 at intervals along the length direction of the ditch 7; the cross beams 3 are of a horizontally arranged rectangular plate-shaped structure, the edge parts of two sides extend upwards respectively to form an edge, a plurality of semi-cylindrical clamping grooves are formed on the inner side wall of the edge at intervals along the length direction of the ditch 7, the cross beams 3 are arranged at the tops of the columns 4 in a close connection mode at the front end and the rear end, the upper ends of the edges are flush with the tops of the ditches 7, a gap 6 is reserved between the side surface of each cross beam 3 and the side wall of the ditch 7, and the lower end of the gap 6 is communicated with a drainage ditch 8; the baffle tables 2 are cylindrical, the lower ends of the baffle tables 2 are connected to the surface of the beam 3 on the inner side of the edge in a rectangular grid shape, the upper ends of the baffle tables are flush with the upper ends of the edge, and the half circumferential surfaces of the outer sides of the baffle tables 2 on the two sides are respectively embedded into the clamping grooves on the two edges of the beam 3; the prefabricated road panel 1 is of a rectangular structure, the middle parts of the edges of the two sides are inwards sunken to form a semi-cylindrical clamping groove, the prefabricated road panels 1 are arranged between the two adjacent rows of blocking platforms 2 or the blocking platforms 2 and the edge of the cross beam 3 in a close connection mode at the front end and the rear end, and the two clamping grooves on each prefabricated road panel 1 are respectively clamped on the two adjacent rows of blocking platforms 2 or the half circumferential surfaces of the corresponding pair of blocking platforms 2 on the edges of the blocking platforms 2 and the cross beam 3.

The prefabricated pavement slab 1 is sequentially provided with a plain concrete layer, a cement concrete layer and an asphalt concrete buffer layer from top to bottom.

The use of the hidden bridge airport runway will now be described as follows:

in the use process, the flat road surface formed by the edges of the prefabricated road panel 1, the baffle table 2 and the cross beam 3 can be used for taking off and landing of the airplane. The gaps 5 between the upright posts 4 in the ditch 7 can be used as navigation lamps, cable placement or a channel for maintenance. When it rains, rainwater on the surface of the prefabricated roadway panel 1 flows into the drainage ditch 8 through the gap 6 between the side surface of the cross member 3 and the side wall of the ditch 7. Once the prefabricated pavement slab 1 is damaged or loses efficacy, the prefabricated pavement slab 1 produced in a factory can be replaced on site by utilizing the hoisting device in a short time, and the method is very quick and convenient, so that the time required by non-navigation construction can be shortened. The tight fit between the clamping groove on the prefabricated pavement panel 1 and the outer circumferential surface of the blocking platform 2 can ensure that the prefabricated pavement panel 1 cannot generate dislocation due to the dynamic load of the airplane, thereby ensuring the overall stability of the structure.

The utility model provides a dark bridge type airport runway adopts the form of laying of taking the place of the way with the bridge, and fundamentally has solved and has subsided inhomogeneous and frost heaving and turn over thick liquid scheduling problem, is applicable to all airport runways, especially under unfavorable geology and ground environmental condition, for example ground deformation instability or the area that should not control such as high and cold frozen soil, weak soil, inflation soil, collapsible nature soil. The service life of the runway structure can be greatly prolonged due to the definite stress condition of the bridge structure and the controllable deformation of the bridge deck, and the service life of the runway structure can be prolonged from the longest 30 years to more than 100 years according to the measurement and calculation of a common bridge.

For example, the airfield runway with the width of 60 meters and the length of 3000 meters needs 1.5 million yuan, under the same condition, although the total cost of the dark bridge airfield runway is higher than that of the common runway and is about 3.5 million, the service life of the dark bridge airfield runway is at least more than 3 times of that of the common runway, in addition, the maintenance cost in the later period of the runway is far lower than that of the conventional runway, a 5m × 5m cement concrete pavement panel needs dozens of ten thousand yuan for replacement, and even more, the pavement cannot be repaired, for example, the pavement is obviously sunk, and the like, while the cost of the prefabricated pavement panel 1 is only about 1 million yuan, and the prefabricated pavement panel can be quickly replaced by adopting the field hoisting technology, therefore, the dark bridge airfield runway has wide popularization and application prospects.

Claims

1. A hidden bridge airport runway, comprising: the hidden bridge type airport runway comprises a prefabricated runway panel (1), a blocking platform (2), a cross beam (3), a stand column (4) and a ditch (7); wherein, the lower parts of two side walls of the ditch (7) are respectively provided with a drainage ditch (8); the plurality of upright posts (4) are divided into at least two rows side by side, and the lower ends of the plurality of upright posts (4) in each row are arranged on the bottom surface of the ditch (7) at intervals along the length direction of the ditch (7); the cross beams (3) are of a horizontally arranged rectangular plate-shaped structure, the edge parts of two sides extend upwards respectively to form an edge, a plurality of semi-cylindrical clamping grooves are formed in the inner side walls of the edge at intervals along the length direction of the ditch (7), the cross beams (3) are arranged at the tops of the columns (4) in a close connection mode at the front end and the rear end, the upper ends of the edges are flush with the tops of the ditches (7), gaps (6) are reserved between the side surfaces of the cross beams (3) and the side walls of the ditches (7), and the lower ends of the gaps (6) are communicated with the drainage ditch (8); the blocking platforms (2) are cylindrical, the lower ends of the blocking platforms (2) are connected to the surface of the cross beam (3) on the inner side of the edge in a rectangular grid shape, the upper ends of the blocking platforms are flush with the upper ends of the edge, and the half circumferential surfaces of the outer sides of the blocking platforms (2) on the two sides are respectively embedded into the clamping grooves on the two edges of the cross beam (3); the prefabricated road panel (1) is of a rectangular structure, the middle parts of the edges of two sides are inwards sunken to form a semi-cylindrical clamping groove, a plurality of prefabricated road panels (1) are arranged between two adjacent rows of blocking platforms (2) or between the blocking platforms (2) and the edge of the cross beam (3) in a front-back end tight connection mode, and the two clamping grooves on each prefabricated road panel (1) are respectively clamped on the two adjacent rows of blocking platforms (2) or on the half circumferential surfaces of a pair of corresponding blocking platforms (2) on the edges of the blocking platforms (2) and the cross beam (3).

2. The dark bridge airport runway of claim 1, further comprising: the prefabricated pavement slab (1) is sequentially provided with a plain concrete layer, a cement concrete layer and an asphalt concrete buffer layer from top to bottom.