Refuges, I believe we have seen, it is a generally circular concrete platform. Refuges on the road for placing the device and prevent vehicle collision. Parking system construction in general there will be an island, in addition to its role used to place the parking management devices and anti-vehicle collision, its important role in another booth installation, parking fee management area. So refuges technical requirements of construction, what does?
1. The problem of mounting dimensions, equipment installation area size than the size of the apparatus large than 10 cm, because the screw will be fixed to the expansion device, the size must be reserved.
2. refuges height above the ground generally about 10-15 cm.
3. refuge can be laid directly on the concrete floor, but it should be reinforced framing method is based on a star makeup at intervals of 25 cm hit a steel rod (Φ20 above), to be reinforced further 5 cm above the ground, exposed to the outside more than 5 cm.
4. If the ground is asphalt, it can be laid directly. The method is based on a star makeup intervals of 25 cm hit a steel rod (Φ20 above), to be reinforced further 5 cm above the ground, exposed to the outside more than 5 cm.
5. If the ground is clay, to digging, further requirements for the safety island 30 cm above the ground.
6. refuge material requirements: the ratio of cement to sand of 1: 2, 425 # national standard portland cement, sand, dirt should not be used, brick and other materials.