Site preparation and placing environment for subgrade. Part 1 in this issue explains the technical differences between damp proofing and waterproofing of concrete products. Offers a quick and easytoapply system for maximum productivity. Find submittalready datasheets, sds, specs, icces reports. Becs has been designing, specifying, and supervising the installation of subgrade wall drainage and waterproofing systems for over a quartercentury, including for various exceedinglychallenging situations, such as for highlyfinished, moisturesensitive spaces submerged well into the site water table and supported atop highlydynamic, expansive soils.
Ay 140 spray polyurethane foam for exterior subgrade thermal and moisture protection page 6 recommended guide specification for subgrade thermal and moisture protection this guide discusses the application of seamless sprayedinplace polyurethane foam spf for use as a subgrade thermal and moisture protection system. Ufc 332006a 1 march 2005 2 foreword \1\ the unified facilities criteria ufc system is prescribed by milstd 3007 and provides planning, design, construction, sustainment, restoration, and modernization criteria, and applies. Buildings have been dampproofed for years, a practice that used to be mistakenly referred to as. Pdf preparation of lowcost waterproofing materials researchgate. Tamko offers waterproofing solutions for applications ranging from foundations, windows and doors to specialty roofing. Subgrade water proofing concrete building technology. There is a distinct difference between dampproofing and waterproofing. Conditions and requirements varies according to specific project circumstances which are. The general conditions, special conditions, applicable portions of division 1, and requirements for general contractors and subtrades form part of this specification. Spray polyurethane foam for exterior subgrade thermal and. The fire resist line borrows technology from the aerospace industry to produce the only fluid and sheetapplied air and vapor barriers that can pass the tough national fire protection association nfpa 285 standards.
Interface modeling for electroosmosis in subgrade structures sean w. If it is not possible to discharge the subgrade drainage system by. Our belowgrade waterproofing solutions protect commercial buildings and infrastructure projects in the worlds harshest climates leading the way since 1990 are the highly reliable preprufe waterproofing products. Construction site dewatering is used to locally control and lower groundwater levels in the vicinity of the excavation. B267268, north ex mall, sector 9, rohini, new delhi 110085 tel no. Hma pavement mix type selection guide national asphalt pavement association 5100 forbes blvd. A highway pavement is a structure consisting of superimposed layers of processed materials above the natural soil subgrade, whose primary function is to distribute the applied vehicle loads to the subgrade. The surface has to be smooth, without sharp stones. Teranap gtx is a product in the sheet waterproofing category. Total underslab area should be covered with a 100mm layer of free draining hardfill. A tarco roofers report describes the activities of a professional roofing contractor with regard to one or more of tarcos products. Submittal data teranap 331 2m a high performance modified bitumen geomembrane waterproofing ply designed for use in geotechnical applications requiring additional subgrade protection or direct concrete placement. Apply spray applied highly elastomeric and punctureresistant waterproofing coating to achieve a minimum thickness of 2 mm.
The waterproofing and drainage selection guide is to be used as a general reference and reflects two of the components that become integrated into a waterproofing system. The product is a dry, free flowing powder containing a blend of inorganic and organic chemicals, a small amount of sand and silica based materials. For waterproofing of old and new structures, impregnation type being used. The building surfaces are made waterresistant and sometimes waterproof. Bitumen waterproofing emulsion for general purpose use. Pdf successful waterproofing of concrete foundations prevents the degradation of environmental and health conditions and. Design and construction standards cornell university. Subgrade water proofing free download as powerpoint presentation. Waterproofing 3 design principles specialist input the specification of waterproofing systems is a specialised task. This is typically done to maintain soil conditions needed during, and occasionally after, constructionfor example, to keep soil dry enough for construction loads, installing building materials, or safe working conditions. The reactive materials react with lime generated by the hydration reaction of cement and. If these circumstances are anticipated, waterproofing is recommended. The protection provided by these waterproofing products, used in conjunction with ccw miradrain provides a complete waterproofing system second to none.
Ccw offers a wide variety of waterproofing products including ccw miraply, ccw miraseal, miradri 860861, miradri 860ult, ccw miraclay and barricoat. The versatile membrane can be installed to a variety of substrates in residential and selected light commercial and industrial applications. Usually extensive waterproofing measures are added to a building at the time of construction, to provide moisture control from the start waterproofing may also be done after a building is built, to address problems as they emerge or as part of a. Waterproofing of tunnels under infiltrating water umbrella. Special attention shall be paid at the design step in determining the thickness and the type of bitumat bituseal membrane to be installed. Journal of geotechnical engineering influence of combined stabilization on the structural properties of subgrade soil article pdf available in journal of geotechnical engineering 41. Stieve, senior principal, new york jesse torres, senior associate, new york each subgrade waterproofing membrane system and application method has advantages and disadvantages that need to be considered and carefully evaluated prior to specifying a system for a particular use. Each subgrade waterproofing membrane system and application method has advantages and disadvantages that need to be considered and carefully evaluated prior to specifying a system for a particular use. The second edition of this comprehensive manual for designing and installing waterproofing systems has been updated to include residential waterproofing.
Submittal data teranap gtx high performance modified bitumen geomembrane waterproofing ply designed for use in geotechnical applications requiring additional subgrade protection or direct concrete placement. Introduction it is essential to water proof a structure to prevent the seepage of water for its durability. What is foundation waterproofing versus dampproofing. When applied it forms a completely monolithic and flexible. Commonly used materials for waterproofing in building is. Other factors responsible for non uniform foundation include variability due to a number of reasons including, natural causes, excavation and. Bitumen waterproofing emulsion for general purpose use impermeabilizzanti 323plastimulgb 4 15. Gcp applied technologies wr grace waterproofing atlas. Waterproofing must form a water resistant protective membrane over the spf. Complete waterproofing solutions gcp applied technologies. Teranap 331 2m is a product in the sheet waterproofing category. Pdf interface modeling for electroosmosis in subgrade.
A dual membrane assembly typically consists of a waterproofing membrane sandwiched between the shoring wall and the structural belowgrade foundation walls. Citric acid modified asphalt is waterproofing materials for exterior belowgrade or between slab. Redundancy in subgrade waterproofing by jesse torres, rrc, rro and douglas stieve, aia, rrc, wiss, janney, elstner associates inc. Belowgrade and abovegrade options help meet your multifamily needs. Both the ibc and irc list the following materials as acceptable for dampproofing only noteany of the waterproofing materials are acceptable for dampproofing.
It is recommended that, once the design team has given the system some thought, an appropriate specialist should be contacted immediately for early advice and help on the waterproofing design. A system approach in order to understand the applications of waterproofing it is necessary to have knowledge of the principles of waterproofing below ground structures. Pdf waterproofing of concrete foundations researchgate. Concrete is porous and, if not waterproofed, absorbs water that can cause cracks, waterborne contaminants and chemicals that can cause deterioration. Pdf to address the need for producing a cheap, singlecomponent. National precast concrete association precast magazines precast inc. Waterproofing foundations tunnels planters retaining walls elevator. Waterproofing grades expert insight into bs8102 wise. Apply highly elastomeric and punctureresistant waterproofing coating using only designated. All surfaces must be clean free of coatings and curing com. Please consult your local tremco manufacturers representative for regional recommendations based on your local building practices and warranty requirements. Leakbarrier bg700 is a premium selfadhering sbs modified bituminous membrane with a high strength cross laminated polyethylene film on the upper side and a removable silicone treated release liner on the bottom adhesive side. It is important to understand the difference between waterproofing which is a coating or membrane that prevents the free passage of all. Concrete waterproofing types kryton international inc.
Discharge the subgrade drainage system to an outfall or elsewhere but never the pool outlet drain. Gcp applied technologies wr grace waterproofing gcp applied technologies formerly grace construction products is a leader in the construction products industry. Pdf journal of geotechnical engineering influence of. Hma pavement mix type selection guide transportation. Adicon cw plus is an integral waterproofing admixture for portland cement based concrete and mortars. Waterproofing details design under constrained conditions samuel vesely, b. Bases and subbases for concrete pavements aashto classification a6 or a7 soil groups or the unified soil classification system ch, mh, and oh soils. If you want to protect your concrete and ensure it has a long, serviceable life, waterproofing is essential.
A number of excellent belowgrade, exte rior foundation waterproofing systems have become available within the last 20 years for preventing water penetration. Waterproofing building waterproofing is a process which is designed to prevent water from penetrating a building. Guidelines for waterproofing of underground structures. Ufc 332006a concrete floor slabs on grade subjected to. Various kerdi waterproofing accessories are available. Sika provides solutions for even the most challenging requirements with its unique waterproofing product portfolio, contributing to efficient, longlasting infrastructure, be it for drinking water facilities fulfilling the most stringent drinking water approvals, tunnels, bridges, basements or balconies.
Melrol waterproofing system is a flexible, versatile, dependable, rolltype waterproofing membrane. Description the heart of the barrett ramtough 250 vma vertical membrane assembly is a fluidapplied rubberized asphalt membrane composed of sbs rubber polymers, specially refined unoxidized asphalt, recycled tire rubber and mineral filler. September 2009 masonry swimming pools firth concrete. Waterproofing in buildings is the formation of an impervious barrier over surfaces of foundations, roofs, walls and other structural members of building to prevent water penetrations through these surfaces. Before starting the installation of the waterproofing system, the subgrade has to be carefully prepared. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. Waterproofing is necessary for the basement, walls, bathrooms, kitchen, balconies, decks, terrace or. It is the responsibility of the general contractor to protect the waterproofing system. Case studies tarco is pleased to present online its series of roofers reports.
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