The mineral resin anchor rod is a material that is specially designed for mining engineering, with significant technical advantages and a wide range of applications. The following is a detailed introduction to resin anchor rods for mining:
1, Overview
Mineral resin anchor rods are mainly composed of glass fiber reinforced resin and glass fiber cloth, which have advantages such as light weight, high strength, and corrosion resistance. In coal mine roadway support, rock layer control, and roof support, it is frequently employed to guarantee the personal safety of miners and the stable operation of the mine.
2, Type and structure
Mining resin anchor rods can be divided into three categories according to the type of rod:
1. Fried Dough Twists type resin anchor bolt: the end of the metal rod body is processed into a left-handed Fried Dough Twists shaped anchor head of a certain specification, and the tail is processed into a thread that can be used to install nuts.
2. Non longitudinally ribbed threaded steel resin anchor rod: The rod body is made of non longitudinally ribbed left-hand threaded steel, and the tail is processed into threads that can be used to attach nuts.
3. The equal strength threaded steel resin anchor rod is made from precision rolled threaded steel with continuous threads and the ability to attach nuts throughout its entire length.
3, Technological superiority
High anchoring force: The anchoring force of resin anchor rods is 3-4 times higher than that of wood anchor rods, bamboo anchor rods, and metal anchor rods, making it more effective in controlling the surrounding rock. For example, the anchoring force of a resin anchor rod with a diameter of 15mm can reach 50-75KN, which can effectively control the deformation of the surrounding rock.
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