Support type anchorage device capable of conveniently disassembling core and core material recovery method for support type anchorage device

Abstract

The invention discloses a support type anchorage device capable of conveniently disassembling a core. The support type anchorage device comprises an anchorage plate, a support head and an isolating sleeve, wherein an anchorage hole is formed in the anchorage plate; the support head is arranged below the anchorage plate, and the external diameter of the support head is greater than the internal diameter of the anchorage hole; when the support type anchorage device is used, a core material is fixedly arranged on the support head after penetrating through the anchorage hole; the core material is sleeved by the isolating sleeve; the isolating sleeve is used for isolating the core material from concrete outside the core material; when the core material is pulled, one end of the core material can be fixedly arranged on the anchorage plate through the support head; an electric heating device is arranged on the anchorage plate or the support head; the anchorage plate or the support head is made from a meltable material, and can be softened or melted during the heating of the electric heating device. A core material recovery method for the support type anchorage device capable of conveniently disassembling the core comprises the following steps of 1, energizing a wire to enable the heating of the electric heating device until the anchorage plate or the support head is softened or melted; 2, pulling out the core material. The support type anchorage device capable of conveniently disassembling the core is simple in structure and practical; the core material recovery method is simple and convenient to implement.

Description

technical field [0001] The invention relates to a support type anchorage which can be conveniently removed for core material and a method for core material recovery thereof, which is applied in geotechnical engineering foundation pit and side slope support, and can conveniently realize core material recovery. Background technique [0002] With the advancement of urbanization, the construction of underground facilities such as underground parking lots, underground pedestrian passages, underground commercial streets, and underground railways requires foundation pit and slope support. [0003] In the prior art, cast-in-situ piles, anchor rods and soil nails are widely used in geotechnical engineering. The core material of the main force-bearing components is steel, such as steel bars, steel pipes, steel strands, and steel wire ropes. The pits and slopes have achieved very good results, but the steel materials usually used are one-time use, and the core materials are left in the...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, cast-in-situ piles, anchor rods and soil nails are widely used in geotechnical engineering, and the core material raw materials of the main force-bearing components are all steel materials, such as steel bars, steel pipes, steel strands, and steel wire ropes, which are used to reinforce foundations. The pits and slopes have achieved very good results, but the steel materials used are usually used for one-time use, and the core materials are left in the soil layer after use, which not only wastes materials, but also forms obstacles to the construction of adjacent buildings

For example, the length of the commonly used anchor rods basically reaches 20-30 meters, and the soil nails reach 8-15 meters. It is difficult to recycle them according to the existing technology.

In quite a few engineering examples, special construction measures have to be taken in the subsequent construction of adjacent buildings due to the impact of anchor rods and soil nails, which greatly increases the difficulty and cost of dealing with underground obstacles during development.

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