Rizhao polymer polyethylene escape pipe

  Chagangliang tunnel of Pingliang Mianyang Expressway in the Wudu Jiuzhaigou project of Pingliang Mianyang National Expressway, the chagangliang tunnel is 22
6 kilometers long, which is now second only to the lairdo tunnel with a length of 24
51 kilometers in Norway
After completion, it will become the te long tunnel of the first di highway in China and the second highway in the world

The recommended scheme for the feasibility study of the Pingliang Tianshui section of Pingliang Wudu expressway is proposed to adopt the two-way four lane Expressway standard with a design driving speed of 80 km / h and a subgrade width of 24
5 meters
The main line is 213
568 kilometers long, the Baoping connecting line is 9
969 kilometers long, and the Zhuanglang Jingning connecting line is 64
053 kilometers long

 
The utility model relates to a pipeline escape system in tunnel construction accidents
A safety scaffold is set at a certain distance from the excavation face of the construction tunnel, and the safety scaffold is connected with one end of the escape pipeline; Generally, the distance from the excavation face is not more than 26 meters, and not more than 21 meters during bench method construction
The other end of the escape pipe is close to the secondary lining section of the construction tunnel
The utility model provides a pipeline escape system in tunnel construction accidents

The pipes used in the tunnel escape passage are φ 800mm new material, with a pipe joint length of 3M and a wall thickness of 30mm
The pipe joints can be connected by a sleeve with a diameter greater than 10cm of the escape passage, and each end is connected by 1m, which is temporarily fixed by rubber rings or wooden wedges
In order to ensure that the pipeline bears the pressure of the collapsed body, the material and pipe used must ensure its pressure bearing capacity and the firmness of the connector, and can only be used in the tunnel after specific tests in the laboratory

At present, there are three common materials of escape pipes in the market: Super polymer tunnel escape pipes, HDPE escape pipes, and steel escape pipes
Common specification of escape pipe: φ 800*30mm  & Phi; 630*22mm  & Phi; 860*30mm  & Phi; 820*8mm  & Phi; 820*10mm single length: 3m / piece or 6m / piece
Connection methods: hoop connection, chain connection, socket connection, flange connection, etc
Escape pipe color: orange or black
Preparation of each hole of escape pipe: 30~50 meters
When the second step goes uphill, the climbing elbow is prepared and connected in combination
Movement of escape pipe: when the escape pipe needs to be moved after installation, the tractor needs to move forward with the excavation progress
The emergence of a new type of escape pipe has brought greater convenience to tunnel construction, which has attracted the attention of project managers

Ultra high polymer escape pipe diameter: φ 800mm, wall thickness: 30mm
 
Basic information of tunnel escape pipeline:
1
Coefficient of thermal expansion: 18× 10-5℃
2
Escape pipeline, ultra-high molecular weight of escape pipeline: 250± 500000 molecular weight
3
Length of single section of ultra-high polymer escape pipeline: 1
5 m / piece; 3m / piece; 4 meters / piece; 6 meters / piece; According to user requirements
4
Connection mode: hoop connection, chain connection, wafer type metal connection,
5
Physical and mechanical properties of ultra-high polymer escape pipe: density: 0
945 gcm3, tensile breaking strength ≥ 32Mpa, tensile elongation at break ≥ 340mpa, tensile yield strength ≥ 20MPa, longitudinal shrinkage ＜ 3% (23 ℃), impact strength ≥ 110kjm2 (23 ℃), friction coefficient: 0
07-0
10mm3

Characteristics of tunnel escape pipeline
1
The tunnel is a safe escape route with low material cost, which saves the procurement cost for the engineering project
　 　
2
With strong corrosion resistance, the construction party is simple and fast, and the service life can reach 30-50 years
　
3
The escape passage also has good corrosion resistance and impact resistance under low temperature conditions
　
4
It is made of our company's unique formula, so the tunnel safety escape passage has high anti-corrosion reliability

5
The escape way is reasonably designed and easy to install
The port of tunnel safety escape passage is equipped with connecting parts and lifting rings
The installation, hoisting and convenience of the tunnel safety escape

Application field of tunnel escape pipeline:
Tunnel engineering: tunnel construction safety escape passage, tunnel rescue emergency passage

Power Engineering: process water return and chemical water transmission

Sewage treatment: sewage treatment discharge pipe, sewage pipe and biological pool circulating water pipe line of sewage treatment plant

Chemical industry: transport all kinds of corrosive media, sewage and wastewater

Hydraulic engineering: buried long-distance water diversion, water transfer and water transmission pipelines

Municipal Engineering: urban high-rise building water supply, tap water engineering, heat network return water, gas, natural gas and other transmission pipelines

The connection mode of ultra-high polymer escape pipeline: clamp connection, chain connection and clip on connection
[Guorun new material] is a high-tech joint-stock enterprise specializing in the research, development, production and sales of new tunnel escape pipes, light escape pipes, suspended tunnel escape pipes, steel anti-corrosion escape pipes, railway tunnel escape pipes, highway tunnel escape pipes, underground passage escape pipes and other safety materials and supporting equipment

Luoyang Guorun New Technology Co
, Ltd
is committed to building excellent tunnel escape pipelines in China
The technical department of the company has senior service engineers to provide users with application technical services and guidance, and professional technicians to provide users with construction technical services
Due to the ultra-high molecular polyethylene tunnel escape pipe, it is light in weight and convenient in disassembly and handling; The pipeline has good toughness and high impact strength
When impacted by strong external forces, it instantly deforms, absorbs a large amount of impact energy, and then quickly recovers to its original shape, providing a reliable guarantee for escape and emergency rescue in highway tunnel construction;
General manager Sun of Guorun new material -- escape pipeline 136-9888-7149!