CN203284706U - Assembled-type three-dimensional city road system - Google Patents

Abstract

The utility model relates to an assembled-type three-dimensional city road system comprising a plurality of road units. Each road unit comprises a main beam and slab, and columns and main ground beams connected at bottom of the main bean and slab, wherein at least one row of the columns is arranged, bottoms of each row of the columns are connected with one main ground beam, the main ground beams are embedded into grooves of pavements or paved on the pavements, and a plurality of the main beams and slabs of the road units are spliced to form roads for vehicular traffic. The assembled-type three-dimensional city road system utilizes the assembled-type and modularized design, and an existing technical line of subgrade bearing and quick installation, and spares no efforts to rapidly realize three-dimensional roads for city's old towns, so as to realize layered people and vehicles, and achieve purposes of rapid construction and being used at any time when the roads are constructed without influencing the traffic.

Description

Prefabricated three-dimensional urban road system

technical field

The utility model relates to an assembled three-dimensional urban road system.

Background technique

For most cities, the urban roads located in the old urban areas are prone to congestion due to the large number of level crossings, pedestrians, non-motorized vehicles and motorized vehicles. Existing urban viaducts are generally designed as a separate traditional structure of girder body, pier, and foundation, and the traditional construction sequence of foundation construction→pier construction→beam construction→bridge deck and ancillary facility construction is generally continued during construction. Large amount and long construction period, generally 1 to 2 years, has a great impact on existing road traffic, especially for those big cities with already congested road traffic, the construction of viaducts will exacerbate the degree of congestion.

Contents of the invention

The purpose of the utility model is to provide an assembled three-dimensional urban road system, which is suitable for the reconstruction of existing urban roads.

For achieving the above object, the technical scheme that the utility model adopts is:

An assembled three-dimensional urban road system, the system includes several road units, the road unit includes a main beam plate, a column connected to the bottom of the main beam plate and a main ground beam, and the column is provided with at least One row, the bottom of each row of columns is connected to one of the main ground beams, the main ground beams are embedded in the grooves of the road surface or paved on the road surface, and the main ground beams in several road units The splicing of beams and slabs forms a road for vehicles.

Preferably, in the road unit:

When the widths of the main girders in the non-traveling direction are consistent and the heights of the columns are consistent, a standard unit is formed, and the girders in several standard units are spliced to form a horizontal linear road;

When the width of the main beam slabs in the non-traveling direction is the same, and the height of the columns in each row gradually decreases, a ramp unit is formed, and the main beam slabs in several of the ramp units are spliced to form Linear roads with inclined angles;

A roundabout adjustment unit is formed when the width of the main beam plate in its non-traveling direction gradually decreases.

Further preferably, in the roundabout adjustment unit, when the heights of the uprights are the same, several standard units and main girder plates in the roundabout adjustment unit are spliced to form a horizontal ring road; when each row When the height of the column mentioned in the above is gradually reduced, the main girder plates in several of the standard units and roundabout adjustment units are spliced to form a circular road with an inclination angle.

Further preferably, the system also includes a road-bridge transition unit, the road-bridge transition unit includes an auxiliary beam slab, an auxiliary ground beam connected to the bottom of the auxiliary beam slab, and the road-bridge transition unit connects the ramp unit connected to the road.

Preferably, holes are opened on the end webs of the uprights, through which the uprights of the adjacent road units are fastened during splicing.

Preferably, the main beam slab is a concrete structure or a steel structure or a steel-concrete hybrid structure.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art:

1. Integration: pavement-beam-column-base integrated unit, a lot of work is done in the factory, realizing the "manufacturing" of three-dimensional roads;

2. Simple foundation: use existing urban roads or natural roads as the bearing foundation, without a lot of on-site foundation construction work;

3. Rapid realization: the advanced integrated construction method of transport and frame can advance about 200m per day;

4. Use as you build: Equipped with special bridge approach vehicles, you can connect the built three-dimensional road with the original road at any time, so as to realize night operation and daytime traffic;

5. Easy to extend and widen the line: you can add unit extension lines at any time according to your needs, or widen the lines by horizontal splicing;

6. Easy to remove and replace: the modular design makes it easier to remove and replace parts of the line.

7. Comprehensive benefits: Motor vehicles pass through the upper floor, non-motor vehicles and pedestrians pass through the lower floor, or can be planned as other municipal facilities, and the space can be fully utilized.

Description of drawings

Accompanying drawing 1 is the perspective view of road unit (standard unit) in the utility model;

Accompanying drawing 2 is the front view of road unit (standard unit) in the utility model;

Accompanying drawing 3 is the perspective view of the ramp unit in the utility model;

Accompanying drawing 4 is the perspective view of the ring island adjustment unit in the utility model;

Accompanying drawing 5 is the three-dimensional view of road-bridge transition unit in the utility model;

Accompanying drawing 6 is the connection diagram of standard unit, ramp unit, road-bridge transition unit in the utility model;

Accompanying drawing 7 is the connection diagram of standard unit, roundabout adjustment unit in the utility model;

Accompanying drawing 8～9 are the schematic diagrams of transportation mode one in the utility model;

Accompanying drawing 10～11 is the schematic diagram of transportation mode two in the utility model;

Accompanying drawing 12～26 is the schematic diagram of the installation method of transportation mode two of the present utility model;

Accompanying drawing 27～29 is the schematic diagram that the utility model uses bridge approach vehicle.

Among them: 1. Road unit; 10. Main beam plate; 11. Upright column; 110. Hole; 12. Main ground beam; 13. Positioning cone pin; 5. Trailer.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

An assembled three-dimensional urban road system as shown in Figures 1 and 2, the system includes several road units 1, and the road unit 1 includes a main beam plate 10, a column 11 connected to the bottom of the main beam plate 10, and a main ground beam 12 . Wherein: the main beam slab 10 is a structure directly bearing the load of passing vehicles, which may be a concrete structure, a steel structure or a steel-concrete combined structure. There are four uprights 11, and every two are divided into a row. The bottom of each row of uprights 11 is connected to a main ground beam 12. The end webs of the uprights 11 are provided with holes 110, which can be spliced longitudinally with adjacent road units. The main ground beam 12 can be embedded in a pre-opened matching groove on the road surface or paved on the road surface. In addition, the longitudinal end faces of the main beam plate 10 and the column 11 are provided with positioning taper pins 13, which are used for positioning during unit assembly and shear resistance during application.

In road unit 1:

As shown in Figure 1: when the width of the main beam slab 10a in its non-traveling direction (width direction) is the same, and the height of the column 11 is the same, a standard unit 1a is formed, and the main beam slabs 10a in several standard units 1a are spliced to form a horizontal linear road - straight road;

As shown in Figure 3: when the width of the main beam slab 10b in its non-traveling direction is the same, and the height of each row of central columns 11 gradually decreases, the ramp unit 1b is formed, and the main beam slabs 10b in several ramp units 1b are spliced Form a linear road-ramp with an inclined angle;

As shown in Figure 4: when the width of the main beam plate 10c in its non-traveling direction gradually decreases, the roundabout adjustment unit 1c is formed, and when the height of the column 11 in the roundabout adjustment unit 1c is the same, several standard units 1a, roundabout adjustment units The main girder slabs 10a and 10c in 1c are spliced to form a horizontal circular road-roundabout; when the height of each row of central pillars 11 in the roundabout adjustment unit 1c gradually decreases, the main beams in several standard units 1a and roundabout adjustment units 1c The beam plates 10a, 10c are spliced to form a circular road-roundabout with an inclined angle.

The required road system is formed by various combinations of standard units 1a, ramp units 1b and roundabout adjustment units 1c, as shown in Figures 6 and 7.

In addition, as shown in Figure 5: the system also includes a road-bridge transition unit 1d, which gently connects the ramp unit with the road surface. The road-bridge transition unit 1d includes an auxiliary beam 10', an auxiliary ground beam 12' connected to the bottom of the auxiliary beam 10', and the auxiliary ground beam 12' is embedded in a groove of the road surface or paved on the ground.

The following is a detailed description of the rapid installation method of the prefabricated three-dimensional urban road system.

During the installation, the frame-transporting integrated vehicle 3 and bridge approach vehicle 4 are mainly used. Wherein the transport frame integrated vehicle 3 mainly consists of a power flat car and a special rack. The power flatbed truck is based on four-axis and six-axis modules, which can be spliced vertically and horizontally to meet the transportation of goods of different dimensions and weights. It has its own power system and hydraulic suspension system. The special rack is set on the power flatbed truck and is used to support the special equipment of the bridge components. It is mainly composed of a bracket and a hydraulic lifting system, and has the functions of supporting and lifting adjustment. Bridge approach vehicle 4 comprises car body, the approach bridge that is arranged on the vehicle body, and bridge approach vehicle is connected between road surface and bridge by approach bridge.

Firstly, the road unit 1 is manufactured and installed at the processing site, and simple processing is performed on the road surface to be erected, such as notching or leveling; and the road unit 1 is transported and installed. in:

Shipping methods include:

1. Two integrated vehicles 3 are transported on both sides of the two rows of columns 11 of the road unit 1; they can be transported by their own power system or by the power of the trailer 5, as shown in Figures 8-9;

Two, two transport frame integrated vehicles 3 are carried in the middle position of the two rows of columns 11 of the road unit 1; the transport frame integrated vehicle 3 utilizes the power of the trailer 4 when the existing route is quickly transported, and uses it when entering the transport position and installation position Micro-adjustment of its own power system, as shown in Figure 10~11.

Take method 2 as an example, as shown in Figure 12~26:

1. The frame transport integrated vehicle 3 uses its own power system to drive to the side of the bridge to be erected;

2. The hydraulic suspension of the integrated vehicle 3 rotates 90°, and enters the carrying position at the bottom of the road unit 1 from the side;

Step two:

1. Lift the oil cylinder of the piggyback support to make the road unit 1 off the ground;

Step three:

1. The hydraulic suspension system of the integrated vehicle 3 rotates 90° to reset, and connects to the trailer 5;

2. Use the power of the trailer 5 to transport the road unit 1 to the installation site along the existing route;

Step four:

1. To be transported to the designated location on the installation site, remove the trailer 5;

2. The all-in-one vehicle 3 uses its own steering system to turn 90° on the spot and adjust to the installation state;

3. Move forward horizontally;

Step five:

1. When moving horizontally to the installation position, adjust the height of the rack, and install the road unit 1 according to the positioning pin;

2. Unit vertical splicing;

Step six:

1. After the unit is installed, the integrated vehicle 3 continues to lower the height;

2. Use its own power system to laterally move out of the unit;

Step seven:

1. The hydraulic suspension system of the integrated vehicle 3 rotates 90° and connects the connecting rod 30 of the two vehicles;

2. Using its own power system, the frame-transporting integrated vehicle 3 returns to the factory to continue carrying the unit.

The transport process of mode 1 is similar, and will not be repeated here.

The bridge installation of this construction method is only carried out at night, and the temporary bridge approach vehicle 4 is installed during the day to restore the main road to traffic, such as: adjust the hydraulic fulcrums of the bridge approach vehicle 4, and connect the approach bridges on both sides with the road unit 1 that has been erected to realize temporary traffic opening. Remove bridge approach vehicles 4 on both sides at night, close the road, and continue the installation and construction of the three-dimensional road unit, as shown in Figures 27-29.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (6)

1. A prefabricated three-dimensional urban road system is characterized in that: the system comprises several road units, and said road unit comprises a main girder slab, a column connected to the bottom of said main girder slab and a main ground beam, so There is at least one row of the uprights, and the bottom of each row of uprights is connected to one of the main ground beams, and the main ground beams are embedded in the grooves of the road surface or paved on the road surface. The main girder slabs in the above-mentioned road units are spliced to form a road for vehicles. 2. The prefabricated three-dimensional urban road system according to claim 1, characterized in that: in the road unit: When the widths of the main girders in the non-traveling direction are consistent and the heights of the columns are consistent, a standard unit is formed, and the girders in several standard units are spliced to form a horizontal linear road; When the width of the main beam slabs in the non-traveling direction is the same, and the height of the columns in each row gradually decreases, a ramp unit is formed, and the main beam slabs in several of the ramp units are spliced to form Linear roads with inclined angles; A roundabout adjustment unit is formed when the width of the main beam plate in its non-traveling direction gradually decreases. 3. The prefabricated three-dimensional urban road system according to claim 2, characterized in that: in the roundabout adjustment unit, when the heights of the columns are the same, several of the standard units and roundabout adjustment units After splicing the girder slabs, a horizontal ring road is formed; when the height of the columns in each row is gradually reduced, the girder slabs in several standard units and roundabout adjustment units are spliced to form a road with an inclination angle. ring road. 4. The assembled three-dimensional urban road system according to claim 2, characterized in that: the system also includes a road-bridge transition unit, and the road-bridge transition unit includes an auxiliary beam slab, an auxiliary beam connected to the bottom of the auxiliary beam slab. The ground beam, the road-bridge transition unit connects the ramp unit with the road surface. 5. The prefabricated three-dimensional urban road system according to claim 1, characterized in that: holes are provided on the end webs of the uprights, and the uprights of the adjacent road units pass through the uprights during splicing. The hole is fastened. 6. The prefabricated three-dimensional urban road system according to claim 1, characterized in that: the main beam slab is a concrete structure or a steel structure or a steel-concrete hybrid structure.

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