Shaanxi Yiyuan Transportation Technology Engineering Co., Ltd.



Isolation Pier
Isolation Pier
Isolation Pier

Isolation PierAlso known as Water horse, can be divided into: Cement isolation pier, FRP isolation pier, plastic isolation pier. is the main type of transportation facilities, mainly used in transportation facilities this piece, play a protective role.


1. [1] The choice of the form of traffic isolation facilities should be determined taking into account a combination of strength, performance, economy and aesthetics.

2. Taking into account the storage of maintenance materials and the ease of maintenance, the types of traffic isolation facilities should be minimized.

3. The setting of the traffic isolation facility should take into account its lateral net width and end net distance, the lateral net width starts from the isolation facility outer edge, its value is 0.25~0.5m, and the net distance of the end head starts from the outer edge of the end of the isolation facility, and its value is 2~4m.

Roadway isolation Facilities 

1. The roadway isolation facility is used to separate traffic flow to or in the same way, and has the effect of prohibiting the vehicle from turning left and out and pedestrians crossing the road arbitrarily, generally on the centerline of the road or on the lane separator line. The roadway isolation facility is divided into a roadway center isolation facility (separated to the pair) and a roadway demarcation isolation facility (separated from the same).

2. Roadway isolation facilities mainly use three forms: Green separator belt, isolation guardrail, concrete anti-collision wall. In the urban area, the preferred form is the greening separator belt, the isolation guardrail, in the suburban area, the priority selection form is the green separator belt, the concrete anti-collision wall, the isolation guardrail in turn.

3. A unified style of roadway isolation facilities should be set up on the same road.

4. New and reconstructed roads that meet one of the following conditions may be provided with a roadway centre isolation facility:

(1) Where there are elevated roads and large bridge piers in the road, there are no other isolation measures.

(2) The section of the bridge, elevated road, interchange, tunnel two-way traffic and the link between the ground road.

(3) A transitional section of a two-way traffic link between a high-grade road and a general road.

(4) A single urban road with four lanes of the roadway and above.

5. The location of the extension section of the bridge, elevated road, overpass and other entrance and exit leads can be arranged for the roadway demarcation isolation facility.

6. Roadway isolation facilities should be clearly visible, the end should be equipped with reflective facilities, in the absence of lighting or poor lighting sections should be fully equipped with reflective facilities, and at the end of the set up reflective or anti-collision facilities. The form and setting of reflective facilities and collision prevention facilities are described in the relevant sections of this guide.