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Construction method of pre-paved asphalt-based waterproof roll constructed by combining welding and bonding

A technology of waterproof roll material and construction method, which is applied in the direction of infrastructure engineering, protective devices, gaskets, etc., can solve problems such as weak waterproofing, achieve the effect of strengthening waterproofing effect, enhancing waterproofing reliability, and preventing water leakage

Active Publication Date: 2020-07-10
KESHUN WATERPROOF TECH CO LTD
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Problems solved by technology

Although the pre-paved back-adhesive method has been widely used in the field of building waterproofing, in underground engineering, due to the large number of joints at the yin and yang corners, the waterproofing is very weak, and the hidden danger of water channeling at these joints is still serious. Therefore, it is necessary to find a A construction method that can solve the hidden danger of water channeling at joints

Method used

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  • Construction method of pre-paved asphalt-based waterproof roll constructed by combining welding and bonding
  • Construction method of pre-paved asphalt-based waterproof roll constructed by combining welding and bonding

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Embodiment

[0039] A construction method of pre-paved asphalt-based waterproofing membrane combined with welding and bonding, comprising the following steps:

[0040] Step S1-Pre-treatment of coiled material construction: clean the base surface to ensure that the base surface is clean, flat and solid without water accumulation, and use cement mortar to plaster the inner corners into a circular arc with a radius of not less than 50mm or an obtuse angle of 135 degrees, and prepare for waterproofing Coils, hot-melt welding guns and construction tools;

[0041] Step S2-pile head treatment: prepare cement-based permeable crystalline waterproof coating, first wet the pile head, pile body and surrounding areas with water, then apply cement-based permeable crystalline waterproof coating on the top and sides of the pile head, and extend to the structure At 200mm of the floor cushion, after the infiltrated crystalline waterproof paint dries up, apply a special base treatment agent 100mm around the ...

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Abstract

The invention discloses a construction method of a pre-paved asphalt-based waterproof roll constructed by combining welding and bonding. The construction method of the pre-paved asphalt-based waterproof roll comprises the following steps of carrying out roll construction pretreatment; carrying out pile head treatment; additional layer paving; plane roll paving; internal corner roll cutting and paving; and vertical face roll paving. According to the construction method of the pre-paved asphalt-based waterproof roll constructed by combining welding and bonding, the construction technology of hotmelting welding after sand setting is adopted at the internal and external corners, reinforcing treatment is conducted at the joint position, the waterproof reliability is enhanced, and the water channeling hidden danger at the joint position is greatly reduced to a certain extent.

Description

technical field [0001] The invention relates to the technical field of building waterproof construction, in particular, the invention relates to a construction method of a pre-paved asphalt-based waterproof coiled material combined with welding and bonding. Background technique [0002] The coagulation pre-paving anti-adhesive method is to lay waterproof membranes on the surface of the base, the self-adhesive layer of the waterproof membranes faces upwards, and pour structural concrete so that the waterproof membranes and concrete form a reactive self-adhesive effect. When pouring structural concrete, the cement slurry is bonded with the high molecular polymer moisture-curing reaction of the self-adhesive layer of the waterproof membrane. The bonding strength increases with the increase of concrete compressive strength. When the concrete reaches the initial setting stage, the self-adhesive layer of the coil has completely moisture-cured with the concrete surface and melted i...

Claims

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Application Information

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IPC IPC(8): E02D31/02
CPCE02D31/025E02D2450/106
Inventor 侯永神叶吉夏利黄崇建
Owner KESHUN WATERPROOF TECH CO LTD
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