Fast installation - short construction periods
Regardless of the DELTA BLOC® system, the mounting of each DELTA BLOC® element works basically the same and is roughly divided into following steps:
The contact surface must be even and able to bear the appropriate load. Depending on the application and system, the elements are placed on the road surface, on compacted grader material, in an asphalt recess or on a bridge cap.
Most systems are just loosely placed on the ground, only the front and terminal constructions are anchored in the subsurface. In some systems also individual elements are anchored, glued or supported by an abutment.
Delivery of elements to construction sites
Articulated lorries deliver elements to construction sites. Depending on the system, by up to 20 elements can be delivered per lorry.
Delivery of elements
Depending on the mounting team and available space, the DELTA BLOC® elements are displaced either with a crane or with a fork lift.
Installation with a crane and a concrete safety barrier tong
Installation with a fork lift and a concrete safety barrier tong
Installation with a crane and ropes
Insertion of the coupling
In order to connect DELTA BLOC® elements to one solid element chain, hot dip galvanised steel couplings are used. After Installing the couplings the force fit interconnection of the elements is guaranteed - the restraint system is ready for use.
Insertion of the coupling at lowering
Depending on the system, an installation team is able to install by up to 2300m per working day. Due to fast installation a detraction of traffic flow can be minimised.
Complete central reserve safety