A system of the invention includes at least one barrier layer, a plurality of rockfall attenuators and two primary anchor points to anchor opposite lateral sides of the barrier layer. The attenuators are secured to an upper portion of the barrier layer. The attenuators create a gap between the surfaces of the slope upon which the barrier layer is installed. The attenuators are attached to the barrier mesh by a cable routed through a clevis/eyelet on each of the attenuators. Opposite ends of the cable are secured to the sloping surface by the two primary anchor points. The attenuators are free floating members that are not attached to the sloping surface. The invention also comprises attenuators as a sub-combination and a method of installing the system. One embodiment of an attenuator includes interconnected structural members resembling a closed-shaped frame. Another embodiment includes a covering placed over the structural members.

A panel system for the containment of landslides caused by partial collapses and also by rock breakdowns, for use in the fortification of mining tunnels, hillsides and roads, together with anchor bolts and plates, comprising a network constituted by straps of metal or other material resistant to traction or with the capacity of tearing along the strap (1) (2) (3), with each node of this network firmly linked with a buckle (6) (7) (8) (16) and with a frame (20) attached to this network, where the frame comprises flat tendons (17) near the perimeter of the panel, linked to plates with lugs (D11) or with flat connectors (12) (13) (14) (15) which go beneath the normal plates.

A safety net, in particular for catching heavy loads, preferably dynamic impact bodies, in particular rocks, is formed at least to a large extent by mutually engaging net elements, and a maximum overall extension of the safety net parallel to a main extension direction of the safety net is substantially greater in an exterior region of the safety net, which in particular includes at least one outermost row of net elements, than a minimum overall extension of the safety net parallel to the main extension direction in an interior region of the safety net which differs from the exterior region.

A protective structure is provided that is configured to crush descending items into particles. The protective structure comprises an upper mesh layer made of hard material capable of crushing the descending items and a bottom layer made of combined hard material and relatively soft material, wherein the bottom layer is capable of absorbing the particles. The protective structure is further provided with a plurality of supporting poles that are positioned between the upper mesh layer and the bottom layer.

A system of the invention includes at least one barrier layer, a plurality of rockfall attenuators, and two primary anchor points to anchor opposite lateral sides of the barrier layer. The attenuators may be secured to an upper portion of the barrier layer. The attenuators create a gap or separation between the surfaces of the slope upon which the barrier layer is installed. The attenuators may be secured to the barrier mesh by a single cable routed through cable eyes formed on each of the attenuators. Opposite ends of the cable are secured to the sloping surface by the two primary anchor points. The attenuators are free floating members in that they are not attached to the sloping surface. The invention further includes attenuators as a sub-combination and a method of installing the system.

An energy absorption device for safety nets and/or for rope constructions, in particular an impact damping device and/or a shock damping device and/or a traction rope brake device, has a brake unit which comprises at least one deflection element and at least one brake element extending at least section-wise around the deflection element and which is configured for an at least partial absorption and/or conversion of kinetic energy in at least one load case, in particular an impact case, and has a connection unit, which is configured for a fixation of the brake unit in at least one location of use, wherein the brake element is guided around the deflection element in a U-shape,

wherein the brake element includes at least one first brake portion and at least one second brake portion, the brake portions differing from one another at least in regard to their local load capacities, and the first brake portion including at least one material recess, in particular an oblong hole.

A longitudinal element produced with a core made of high-strength fibers and at least one metal casing, preferably steel, surrounding this core. In this way, there is the significant advantage that these high-strength fibers, which are very lightweight in relation to their strength, are protected in a number of ways, namely against humidity, moisture, UV light and other environmental influences. In addition, the metal casing provides the fibers with protection against transverse loads. In this way, all the high-strength properties of the traction or suspension means are maintained over a sustained period

A landslide protection device disclosed by the present invention includes a mountain body and a roadbed. The roadbed is fixedly disposed at the upper end of the mountain body. Cavities are formed in the roadbed to penetrate left and right. Rolling stones can roll down the mountain through the cavity to prevent rolling stones from falling on the upper end surface of the roadbed to block traffic. The cavity is provided with a buffer device. The present invention is arranged in the roadbed in the area where the frequency of landslides is high. It can avoid traffic congestion caused by falling rocks directly on the road. Because the mountain has a certain slope, the speed of the rolling rocks is faster. When the rocks are cleared, the rolling speed is slowed down and the device is restored to the initial state after the landslides And can automatically clear the rolling stones that fell on the road.

A wire netting, in particular a safety net, includes a plurality of helices which are braided with one another and at least one of which is manufactured of at least one single wire, a wire bundle, a wire strand, a wire rope and/or another longitudinal element with at least one wire, and which includes at least one first leg, at least one second leg and at least one bending region connecting the first leg and the second leg to one another. In a longitudinal view in parallel to a longitudinal direction of the helix, the bending region includes at least one bending zone with a bending curvature and at least one first transition zone which is connected to the first leg and has a first transition curvature that differs from the bending curvature.