Water absorbing device for core drilling sampling of bituminous pavement and using method of device

Abstract

The invention relates to a water absorbing device for core drilling sampling of a bituminous pavement. The device comprises a sleeve, an extrusion part, a water absorbing layer and a traction member;the extrusion part is installed in the sleeve and can stretch and contract in an elastic way, certain distance is set between the extrusion part and the inner wall of the sleeve to form an installation space, and a space that can be penetrated by a drill bit of a core drilling device is formed inside the extrusion part; the water absorbing layer is filled into the installation space, the bottom side of the water absorbing layer is leveled with that of the sleeve, and the water absorbing layer absorbs water generated when the drill bit drills a core for sampling; and the traction member is fixedly arranged in the extrusion part and stretches outside by penetrating the sidewall of the sleeve, the traction member is drawn outwards to pull the extrusion part to deform towards the inner wall ofthe sleeve and extrude the water absorbing layer, and thus, water in the water absorbing layer is extruded out. The problem that water of the drill bit splashes is solved effectively, water of the drill bit is avoided from polluting the pavement, the trouble of cleaning later is omitted, the construction safety is ensured, and the construction efficiency is enhanced.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a water-absorbing device for core sampling of asphalt pavement and a method for using the same. Background technique [0002] When doing the asphalt pavement compaction test, it is necessary to sample the drill core of the asphalt pavement. When the drill core is sampled, the drill core machine needs to add water to wet the drill bit. Therefore, when the drill bit rotates rapidly, the water from the drill bit is easy to splash on the operator. And because the asphalt concrete pavement is an impermeable pavement, the water of the drill core will pollute the asphalt concrete pavement, which will cause trouble for later stage cleaning. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the prior art, to provide a water absorbing device for asphalt pavement drilling core sampling and its use method, which solves the problem of ...

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of the prior art, to provide a water absorbing device and its application method for asphalt pavement drilling core sampling, which solves the problem of water splashing everywhere in the drill bit, and avoids the water pollution of the drill bit on the road surface, reduces the The trouble of later cleaning ensures the construction safety and improves the construction efficiency

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