Method and milling cutter for repairing surface defect of cement concrete construction member

A cement concrete and concrete technology, which is used in building maintenance, building structure, construction, etc., can solve the problems of segmental misalignment, honeycomb hemp surface, affecting the appearance quality, etc., and achieve the effect of good heat dissipation conditions and good stability.

Inactive Publication Date: 2010-11-03
HEFEI UNIV OF TECH
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Problems solved by technology

[0002] At present, once defects such as cracks, local damage, honeycomb pitting, and segmental dislocation appear on the surface of cement concrete walls, piers, beams, and slabs, cement slurry or asphalt glue is usually used to fill the joints, apply cement mortar, and repair manually. Repairing by other methods can only achieve the effect of short-term repairing, and affects the appearance quality

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  • Method and milling cutter for repairing surface defect of cement concrete construction member
  • Method and milling cutter for repairing surface defect of cement concrete construction member
  • Method and milling cutter for repairing surface defect of cement concrete construction member

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Embodiment Construction

[0045] The method for repairing the surface defect of the cement concrete component in the present embodiment is to carry out as follows:

[0046] 1. At the position of the surface defect of the cement concrete member 1, draw the repair range of the regular geometric shape;

[0047] 2. According to the position, scope and depth of surface defect repair of component 1, choose cement concrete milling machine 3 or portable electric drill. When the area of ​​the repair groove is large or the depth is deep, the workload of repair is large, and the milling machine is selected. On the contrary, jackhammer can be used directly, and the construction is carried out as follows:

[0048] a. The construction method using cement concrete milling machine 3, see Figure 1A and Figure 1B :

[0049] i. For the top surface defect of component 1, place the cement concrete milling machine 3 directly on the defective position of component 1; Align the direction scale 4 with the boundary line o...

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Abstract

The invention discloses a method and a milling cutter for repairing surface defect of a cement concrete construction member, which is used for repairing the surface defects of the building construction members, such as cement concrete wall, piers, girders, plates and the like. For defects of cracks, local damage, voids and pits and the like on the surface of the building construction member, the method and the special milling cutter of the invention firstly remove defects, form a repairing groove and pour concrete again to repair. The method and the milling cutter of the invention can process the surface of the construction member into geometry, such as a plane, a cambered surface, a groove and the like, and especially processes the boundary surface of the repairing groove into regular, smooth, rough and circular-arc corner, which is favourable for construction stress and combination of new and old concrete, improves appearance quality and solves the difficulty problem that the surface of the cement concrete construction member is difficult to repair.

Description

technical field [0001] The invention relates to a method for repairing surface defects of cement concrete building components and a special milling cutter, in particular to a method for repairing surface defects of cement concrete components and a milling cutter. Background technique [0002] At present, once defects such as cracks, local damage, honeycomb pitting, and segmental dislocation appear on the surface of cement concrete walls, piers, beams, and slabs, cement slurry or asphalt glue is usually used to fill the joints, apply cement mortar, and repair manually. Repairing by other methods can only achieve the effect of short-term repair, and affects the appearance quality. Therefore, the defects on the surface of cement concrete components in engineering are called "common problems" that are difficult to repair. Contents of the invention [0003] The purpose of the present invention is to provide a method and a milling cutter for repairing surface defects of cement ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02B28B11/08
Inventor 汪哲荪叶献国
Owner HEFEI UNIV OF TECH
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