Temporary fence, also called portable fence, which is convenient both in installation and movement. You can see temporary fence everywhere in construction sites, temporary protection, major sports events or activities, temporary isolation, quarantine station in the airport, large playgrounds and so on.There are two types of the temporary fence, one is mesh infilled, the other is pipe infilled. The surface treatment can be galvanized + polyester powder coated, or hot dipped galvanized.
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QYM-Temporary Fence
Parallel array of blastholes, the hole distance refers to the axial distance between two adjacent holes, the fan-shaped blast holes, the hole spacing is divided into two types: the hole spacing and the hole bottom distance.
The orifice distance refers to the vertical distance from the orifice of the shorter length of the charge to the axis of the adjacent orifice. The hole bottom distance refers to the vertical distance from the bottom of the hole with a shorter charge length to the axis of the adjacent hole. As shown in Figure 1.
Figure 1 Fan hole spacing
â±-hole spacing; b-hole bottom distance