Guoyu shares the tube with youRoad Marking Pile TypeThe classes and functions are as follows:
Pipe marker pileknowledge
It is used to mark the turning of buried pipelines, the intersection of pipelines and ground engineering (underground concealed objects), the junction of management units, changes in pipeline structure (pipe diameter, wall thickness, protective layer), and ground markings for pipeline ancillary facilities. Including crossing (crossing) piles (river, highway, railway, tunnel), cross piles (pipe crossing, optical cable crossing, power cable crossing), boundary piles, facility piles, etc. Use precast concrete or composite material (resin + high-strength glass fiber) finished piles.
Common warning signs for oil (gas) transportation
Various ground and underground markings above oil and gas pipelines, including mileage piles/test piles, marking piles, boundary piles, warning signs, communication markers, pipeline marking tapes, etc.
Mileage pile/test pile
Mileage piles are mainly used for ground markings to identify the direction and mileage of oil and gas pipelines. Test piles are mainly used for ground markings for monitoring and testing the cathodic protection parameters of pipelines. Mileage piles are generally combined with test piles.
3.1.3 Mark pile
Sign piles include corner piles, river crossing piles, tunnel crossing piles, highway crossing piles, railway crossing piles, pipeline cross piles, communication optical cable (cable) cross piles, power cable cross piles, and are mainly used to identify changes in pipeline direction, pipeline and ground Project (underground concealment) crossing, pipeline structure (pipe diameter, wall thickness, protective layer) changes, and ground markings of pipeline ancillary underground facilities. Warning signs, communication markers, pipeline marking tapes and other marks.
3.1.4 Boundary Pile
A mark that clearly indicates the administrative division of the pipeline to which it belongs.
3.1.5 Warning signs
When the pipeline traverses large and medium-sized rivers (valleys), gullies, tunnels, adjacent reservoirs and their flood discharge areas, water channels, densely populated areas, areas with frequent earthquakes (seismic) disasters, seismic fault zones, mine gobs and other dangerous point sources When, clearly indicate the pipeline safety precautions.
3.1.6 Communication Marker
It is mainly used to mark the ground mark of the laying position and direction of the communication optical cable.
3.1.7 Encrypted pile
Between two adjacent mileage piles, a ground mark buried at a certain distance to confirm the direction of the pipeline, and also used for trenches with shallow pipeline buried depth, heavy-duty vehicles passing roads without pipeline protection culverts, and pipelines passing densely populated Ground warning signs for special areas such as districts.
3.1.8 Piping marking tape
It is continuously laid above the buried pipeline to prevent third-party construction from damaging the pipeline and set up underground marks.
Principles of setting warning piles for pipelines
⑴ The position of the corner pile cannot be moved at will. When corner piles cannot be set, such as in the middle of the pond, a corner pile should be set up directly above the pipes near the entrance and exit of the pond, and the position and distance to the corner pile should be marked on the top.
(2) The buried pipeline crosses other underground structures (such as cables, optical cables, other pipelines, etc.), and the cross piles should be set directly above the intersection.
⑶Identify fixed piers, buried insulation joints and other ancillary facilities, and facility piles should be set directly above the identified objects.
⑷ Set up boundary stakes between different management units.
⑸ Pile bodies should be set up in open and wasteland such as roadsides, ridges, dams, etc., to reduce the impact on land use and agricultural machinery operations.
⑹When the pipeline crosses the railway, a crossing pile should be set on one side of the railway (a warning sign on the other side). The crossing piles are set directly above the centerline of the pipeline 2m outside the boundary line of the railway land.
⑺ When the pipeline crosses the highway, the crossing piles should be set up according to the following requirements: When the pipeline crosses the expressway, the first-class and second-class roads, and the third-class and fourth-class roads with a length of more than 40m (including 40m), it should be on the side of the road. Set up a crossing pile (a warning sign on the other side). The installation location is 1m away from the edge of the highway drainage ditch or outside the highway fence. When the pipeline traverses the third and fourth-level highways, crossing piles should be set on one side of the road (when no warning signs are set). The installation location is 1m away from the outer edge of the road drainage ditch upstream of the pipeline. When there is no side ditch, it is installed at a distance of 2m from the road edge.
⑻ When the pipeline crosses a river or channel, the crossing pile shall be set according to the following requirements: When the pipeline crosses the river and the channel length is greater than 40m (including 40m), a crossing pile shall be set on one side (a warning sign shall be set on the other side of the embankment). The installation location is at the foot of the slope of the river, channel embankment, or a stable location 3m-10m away from the bank;
When the pipeline crosses a river and the channel length is less than 40m, a crossing pile should be set at least on one side (when no warning sign is set). The installation location is at a stable location 3m-10m away from the bank at the foot of the river, channel embankment slope upstream of the pipeline.
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