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A waterproof construction method for anti-floating anchor rod joints

A technology for anti-floating anchor rods and joint waterproofing, which is applied in infrastructure engineering, buildings, protection devices, etc., can solve problems such as water seepage, achieve simple methods, reduce the risk of leakage, and ensure the construction period

Active Publication Date: 2021-06-15
CHINA MCC5 GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the groundwater level is high, anchors are often used to resist the buoyancy of groundwater to the building, but because the anti-floating anchors have to penetrate the waterproof layer of the basement floor, water seepage will occur if the treatment is not good

Method used

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  • A waterproof construction method for anti-floating anchor rod joints
  • A waterproof construction method for anti-floating anchor rod joints
  • A waterproof construction method for anti-floating anchor rod joints

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A waterproof construction method for the anti-floating anchor 1 node, after the grouting of the anti-floating anchor 1 is completed, and before the basement floor cushion 11 is poured, the groove mold 2 is fixed on the anti-floating anchor 1 by tying wires; after that Carry out cushion layer 11 concrete pouring on groove mold 2 periphery;

[0033] After the concrete around the groove mold 2 meets the strength, the groove mold 2 is removed, and then the surface of the cushion layer 11 within a certain range outside the groove is cleaned, the base treatment agent is applied, and an additional waterproof coiled material (that is, an additional waterproof layer) is laid. 7);

[0034] After the construction of the additional waterproof membrane is completed, the waterproof ointment 8 is filled in the groove, and then the waterproof membrane 9 can be laid along the large surface of the basement;

[0035] After the waterproof coiled material 9 has been laid and checked and ac...

Embodiment 2

[0038] The concrete around the groove mold 2 is vibrated and compacted. Clean the surface of the pad 11 within the range of 500mm outside the groove. The depth of the groove is consistent with the depth of the cushion layer 11 . The waterproof node of the anti-floating anchor 1 is made into a groove with a depth equal to that of the cushion layer 11, and the waterproof ointment 8 is inside the groove, and the waterproof ointment 8 is closely combined with the anti-floating anchor 1, which can greatly reduce the seepage risk of leakage. Additional waterproof roll material and / or waterproof roll material 9 adopt polymer self-adhesive waterproof roll material. Base treatment agents include polymer modified asphalt waterproof coatings, solvent-based waterproof coatings or water-emulsion waterproof coatings. The above content further defines the construction method. By optimizing the groove, the cushion layer 11 and the waterproof membrane 9, the technical solution is further op...

Embodiment 3

[0040] The groove mold 2 includes a mold body and a fixed support; the mold body includes a first inclined plane, a second inclined plane, a third inclined plane and a fourth inclined plane; elongated holes are arranged on the first inclined plane, the second inclined plane, the third inclined plane and the fourth inclined plane 3. The fixed support includes a horizontal support 5 and a vertical support 6; both the horizontal support 5 and the longitudinal support 6 pass through two opposite elongated holes 3 and there is an intersection point inside the mold body; the upper and lower openings of the mold body are not sealed, and the mold body It is fixed with the transverse support 5 and the longitudinal support 6, and the transverse support 5 and the longitudinal support 6 are used for fixing with the anti-floating anchor rod 1. figure 1 The anti-floating anchor rod 1 is arranged on the periphery of the positioning steel pipe 4. The anti-floating anchor rod 1 adopts 3 steel ...

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Abstract

The invention discloses a waterproof construction method for an anti-floating anchor rod node. After the grouting of the anti-floating anchor rod is completed and before the basement floor cushion is poured, a groove mold is fixed on the anti-floating anchor rod through wire binding; Cushion concrete is poured around the groove mold; after the concrete around the groove mold meets the strength, remove the groove mold, and then clean the cushion surface within a certain range outside the groove, brush the base treatment agent, and then lay additional waterproof rolls After the construction of the additional waterproof membrane is completed, fill the waterproof ointment into the groove, and then lay the waterproof membrane along the large surface of the basement; after the waterproof membrane is laid and inspected and accepted, pour a waterproof protective layer on its top . The present invention adopts the combination treatment method of waterproof ointment and waterproof coiled material, which increases the waterproof and anti-leakage ability at the nodes, is easy to operate, and guarantees the construction period; inside the groove is waterproof ointment, waterproof ointment and anti-floating anchor rod The tight combination can greatly reduce the risk of leakage here.

Description

technical field [0001] The invention relates to the technical field of building waterproofing, in particular to a waterproof construction method for anti-floating anchor rod nodes. Background technique [0002] With the development of urban construction, more and more attention has been paid to the development of underground space, including underground garages, underground shopping malls, etc.; large-span spatial structures, such as large public buildings and stadiums, have the problem of balancing large areas and groundwater buoyancy. When the self-weight of the structure is not enough to resist the buoyancy generated by groundwater, the construction method of adding anti-floating anchors is usually used to deal with it. However, at the same time, the joints between the anti-floating anchors and the bottom plate have always been relatively weak links for the waterproof system. [0003] Waterproofing has always been the part with the most construction quality problems in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/74E02D31/12E02D31/02
CPCE02D5/74E02D31/02E02D31/12
Inventor 邱茂乙
Owner CHINA MCC5 GROUP CORP