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soft waterproofing
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  相似匹配句对
     Soft Lithography
     软印刷技术
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     Waterproofing for basements
     谈地下室工程的防水
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     Waterproofing problems with the basements in high rise buildings on soft ground
     软土地基高层建筑地下室防水问题的剖析
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     Waterproofing of the Leather
     皮革防水
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     Soft Starter
     软启动装置
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To expand the construction space in the city,it is necessary to make full use of underground space.Although ventilation and lighting of underground space is worse than those on the surface,it is used more and more often due to its small temperature difference and efficient sound insulation.Constructions under ground must be waterproofing to avoid leaking which will not only destroy the comfortable living environment,but also corrode the concrete base.Moreover,from the perspective of environment,underground waterproofing...

To expand the construction space in the city,it is necessary to make full use of underground space.Although ventilation and lighting of underground space is worse than those on the surface,it is used more and more often due to its small temperature difference and efficient sound insulation.Constructions under ground must be waterproofing to avoid leaking which will not only destroy the comfortable living environment,but also corrode the concrete base.Moreover,from the perspective of environment,underground waterproofing plays an important role in saving underground water,preventing ground from sinking and reducing drains through the sewer,etc.1 The feature of underground waterproofing Underground waterproofing is different from normal waterproofing on the surface.There are variety of reasons that cause it's difficulty to waterproof underground.One of the causes is the construction environment underground.Due to limited space and high humidity,the concrete cannot be fully dried.Construction,sometimes,has to be conducted while it is still leaking.Other causes are very often waterproofing performances alternately with concreting and moulding,thus making the waterproofing of thehrough-wall items and the construction management difficult.Since there need to be an entirely isolated environment for waterproofing,it is very difficult to waterproof thoroughly underground.To waterproof thoroughly will face thousands of problems and it's rather challenging.Currently,there are following systems for underground waterproofing:Outside waterproofing(Post construction):Rubber blending with asphalt;Polymer blending with cement;Asphalt only;Vulcanized rubber and non-vulcanized rubber;Cement only.Outside water proofing(Pre-construction):Rubber blending with asphalt;Polymer blending with cement;Non-vulcanized rubber.Inside waterproofing Cement only;Polymer blending with cement.2 About Paratex waterproofing materials Paratex waterproofingmaterial is a polymer blending with cement coating waterproofing material.This material consists of a blending of acrylate,ethene-PVAc and other polymers and inorganic materials(high alumina cement and quatz sand,etc).The two materials are mixed at the construction site and will form a soft waterproofing layer.There are several features of the Paratex waterproofing materials :1) Adhesion——Since it has a strong adhesive ability with concrete,which prevents the waterproofing layer from disintegrated due to sinking.Moreover,when concreting and moulding on the waterproofing layer,due to the strong adhesive ability,even some part of the waterproofing layer goes wrong,no water will be moving between the concrete and the waterproofing layer.Waterproofing performance remains.2) Map cracking——When the base cracks,due to its softness,the waterproofing layer won't break.Even if cracking occurs,it will be self-healed.3) Easy to apply——As the material is soft and water-based,it can be applied on wet concrete,which can help the waterproofing construction underground.The materials and tools used to construct are simple and easy to clean.4) Safety——Instead of using organic and combustible gas,polymer mixture and inorganic blends can provide safe construction in limited space of underground.In addition,the water-proofing layer has no impact on the underground water and environment.In conclusion,Paratex waterproofing materials can fully meet the demands of underground waterproofing.It has been used in all kinds of underground constructions since its birth.Some of the large constructions are the underground outer walls of nuclear facilities(nuclear power stations,nuclear recycle factory),the underground trench of the airport on the sea——Guanxi Airport and many subways and tunnels in the cities.The application of Paratex waterproofing materials is wide.Its effect of preventing leaking underground and extending the life of buildings has always been well appreciated.

概要介绍了日本地下防水工程技术的现状,重点阐述了地下工程用自闭型水泥基防水材料PARATEX的特点及工程应用情况。

 
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