隧道及地下工程喷膜防水隧道及地下工程喷膜防水

New Waterproofing Technology for Tunnel and Underground Work

Liquid Spray Waterproofing

Self-adhesive Waterproofing Membrane

Machine Paving Waterproofing Membrane

Improve the Waterproofing by Improving the Methods and Technologies

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Liquid Spray Applied Waterproofing for Tunnel and Underground Work

Waterproof Sheet M

embrane

Liquid Spray W

aterproofing

Cannot fully bonded to the surface,easy to be punctured

Easy to be Stretched,easy to fracture and break

Too many welding lines,joints,being the weak parts

Raising Problems

Methods

Solution

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Since middle 80s:Japanese Taogosei Co., Ltd. and Konoike Construction Co., Ltd. have been in researching of acrylic liquid spray waterproofing and reported their research results in 1999 ITA annual conference.

Since the 90s：USA,Germany,Canada,Switzerland and UK,etc developed countries also started researching spray applied waterproofing technologies and applied in practical projects.(Markets initiated)

Research and Development

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Liquid Spray Waterproofing Technology Working Principle

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Switzerland MBT companyliquid spray waterproofing

Project Case Study

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UK Stirling Lloyd Polychem liquid spray waterproofing

Project Case Study

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Japan Taogosei and Konoike Construction Liquid Spray Waterproofing

Project Case Study

T u n n e l a n d U n d e r g r o u n d W o r k W a t e r p r o o f i n gR&D in China

Since the late 90s,in China(main land）,

liquid spray waterproofing technologies research for tunnel projects started and applied in some practical projects.

－Acrylic liquid spray waterproofing technology:Southwest Jiaotong University

－Polyurthane/Polyurea waterproofing technology：Qingdao Chemical Industry Research Institute

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Acrylic Liquid Spray Waterproofing Research By Southwest Jiaotong University

Through 8 years research,it is accomplished of liquid materials formula,high pressure airless spray machine,operation techniques,operation standardization,technical standards formulation,forming a thorough structural liquid spray waterproofing technologies system named PMC-S.

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Structural Technologies Constitute

Brief Introduction of PMC-S

Liquid Spray Waterproofing MaterialsSpraying Machine

Operation Technologies

Technical Features

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PMC-S Structural System

Spray Machine ManufacturingMaterials Formula

Operation Inspection ManagementSpraying Techniques

Materials Manufacturing

Technical Standards

Structural Technologies Constitute

系统技术构成

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Liquid Spray Waterproofing Materials

Materials：unsaturated acrylic liquid solution

Initiating System：waterborne oxidation and deoxidation（polymerization）

Padding：white carbon black,calcium carbonate,kaolin,bentonite,talcum powder,etc.

Other Admixtures：water-soluble film-forming agent and plasticizer

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Spray Machine Technique Module

Spraying Machine

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First generation spray machine prototype

Long handle spray gun

Hand type spray gun

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New-type high pressure airless spray machine Fusion® two-component high pressure spray gun

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Operation Technologies Flow

Operation Technologies

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Membrane Thickness：spot check，use specific membrane thickness test tool

Quality Test of the Liquid Materials after Polymerization

Honeycomb,needles：through visual inspection,in-time repair once find a problem

Lap Joints：main test the strength of the lap joints due to the second-time sprayed onto the first-time sprayed. Test by hands in 24 hours after spraying

T u n n e l a n d U n d e r g r o u n d W o r k W a t e r p r o o f i n gTechnical Features

PMC-S

Low energy consumption,no pollution,non toxic,no odor,no flammable and combustibleunsafe factors. A high-tech Eco-friendlyproduct

No special requirements to the construction environments,excellent durability,fast and convenient construction,good integrity

Instant polymerization film forming and good uniformity of the film. Reliable waterproofing quality,change the traditional waterproofing technology

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Scope of Application

Mining method composite-designed sandwich structures(concrete/membrane/concrete)Highway and Railway Tunnels,Underground Railway,Basement,Underground Parking,,Civil Air Defense Engineering,Sunken Pipe Tunnel、Cave-type Warehouse,etc underground works,especially close-type underground works

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Photos of Projects Application

Video of PMC-S Application

PMC-S Project Application

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Parts of the Project Application

Sprayed on sprayed concrete surface

Sprayed on limestone surface

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Sprayed on sprayed concrete surface

Parts of the Project Application

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Sprayed on limestone surface

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Sprayed on geotextiles surface

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A Shot of the PMC-S Application Video