These hours can be local, regional or national seminars, demos or workshops on pervious concrete. Two days later, a seminar and demonstration were held for approximately. Join david liguori, board member of the national pervious concrete pavement association, for a comprehensive 2session webinar series as we work through the design principles, specifications, hydrological performance, and maintenance of pervious concrete stormwater systems to help you design a costeffective, highperforming, lowmaintenance. Feb 08, 2010 pervious concrete was first used in this country in the early 1980s, mainly in florida, but its been used in europe for about 150 years, says dan huffman, vice president of national resources for the national ready mixed concrete association.
Pervious concrete is widely recognized as a sustainable building material, as it. This project conducted experimental studies on the compressive strength on pervious concrete as it relates to watercement ratio. Feb 11, 2016 what is pervious concrete pervious concrete is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other resources to pass through it, thereby reducing the runoff from a site and recharging ground water levels. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Friday may 8, 2009 for the pervious concrete design, construction and governing audience. Pervious concrete pavement maintenance and operations guide. Economic benefits of pervious concrete the concrete network. Pervious concrete may also reduce the need for municipalities to increase the size of existing storm sewer systems to accommodate new residential and commercial developments.
Pervious concrete for stormwater mitigation oregon trail park. Explore decorative concrete with free download of seminar report and ppt in pdf and doc format. Improper winter maintenance has been responsible for many failures of pervious concrete pavement surfaces. There are a number of alternate names for porous concrete including permeable concrete, porous pavement, and pervious concrete. Pervious concrete, sometimes referred to as nofi nes concrete, is a mixture of hydraulic cement, coarse aggregate of smaller size, admixtures and water. It can be utilized in a variety of paving applica pervious concrete puts rainwater back in theground where it belongs. Pervious concrete which is also known as no fines, porous, gap graded, and permeable concrete and enhance porosity concrete has been. Pdf development of photocatalytic pervious concrete. Obla pervious concrete is a special high porosity concrete used for flatwork applications that allows water from precipitation and other sources to pass through, thereby reducing the runoff from a site and recharging ground water levels. Standard test method for density and void content of freshly mixed pervious. The event is scheduled for thursday, june 7th beginning at 8. Pervious concrete is a special high porosity concrete used for flatwork applications that allows water from precipitation and other sources to pass through, thereby reducing the runoff from a site.
Permeable pavement fact sheet information for howard county. Explore green concrete with free download of seminar report and ppt in pdf and doc format. This property is derived from the measured density in accordance with astm c 1688. Compressive strength of pervious concrete ucf stormwater. Pervious concrete is a zeroslump, opengraded material consisting of cement, coarse aggregate, admixtures and water. Also explore the seminar topics paper on decorative concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2017 2018. Pervious concrete pavements learn about this environmentally friendly paving material that offers the durability of standard concrete while retaining stormwater runoff and replenishing local watershed systems by anne balogh, columnist. Pervious concrete for stormwater mitigation oregon trail.
Green concrete seminar report, ppt, pdf for civil engineering. Pervious concrete is a versatile nofines material that requires unique, but not difficult, construction techniques and tools. In climates prone to severe freezethaw cycles, some are hesitant to use pervious concrete pavements until it has been proven that pervious concrete can be made to resist freezethaw damage. Through the combined efforts of the national ready mixed concrete association and the portland cement association, the seminar pervious concrete. Maintenance for pervious concrete pavements present new specifiers guide for pervious concrete for stormwater mitigation in the greater kansas city area this is the grand opening of the oregon trail park for olathe, ks. Pervious concrete pavement maintenance and operations guide 5 winter maintenance this is a critical aspect of owning a pervious concrete pavement.
Surface consequences for traffic and environment seminar. Pervious pavement systems offer designers and planners an effective tool for managing stormwater. This report will focus on the pavement applications of the concrete, which also has been referred to as porous concrete, permeable concrete, nofines concrete, gapgraded. Permeable pavement is a method of paving that allows stormwater to seep into the ground as it falls rather than running off into storm drains, waterways and eventually the chesapeake bay. All of the names basically mean the same thing which is porous concrete. Pervious concrete, sometimes referred to as nofines, gapgraded, permeable, or enhanced porosity concrete, is an innovative approach to controlling, managing, and treating stormwater runoff.
Abstract pervious concrete is a special type of concrete, which consists of cement, coarse aggregates, water and if required, admixtures and. All of these benefits lead to more effective land use. This concrete slab was installed by burns and sons concrete nrmca certified craftsman and. This concrete slab was installed by burns and sons concrete nrmca certified craftsman and the. Pervious concrete is usually more freezethaw durable than conventional concrete. Permeable pavement fact sheet information for howard. Typically, pervious concrete does not contain any sand and. Company name contact person phone address email address for main contact. Portland cement pervious concrete pcpc is very popular and continuously gaining a lot of attention in construction industry. These systems manage stormwater by increasing the rate and volume of stormwater. Also explore the seminar topics paper on green concrete with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. A project report on improvement of compressive strength of pervious concrete submitted in partial fulfilment of the requirements for the award of the degree of bachelor of technology in civil engineering submitted by g. By capturing rainwater and allowing it to seep into the ground, pervious concrete is instrumental in recharging groundwater, reducing stormwater runoff, and meeting u.
Watermarkthermocouple data was also recorded to measure freezethaw cycles. Up to 75% salt reduction for porous asphalt can be achieved. This project conducted experimental studies on the compressive strength on pervious concrete as it relates to watercement ratio, aggregatecement ratio, aggregate size, and compaction. Aggregate base 1224 in filter fabric subgrade permeable subgrade compacted to 92% of modified proctor. Pervious pavements installation, operations and strength part 1. Percoa usa llc has developed and patented precast pervious concrete slabs that are environmentally friendly, durable, versatile, costeffective, and easy to install. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pervious pavement is designed primarily to promote stormwater infiltration and improve the quality of stormwater runoff. The voids in the pervious concrete allow for water which expands 9% when it turns into ice to expand and contract within the voids. Pervious pavements installation, operations and strength. From y we conclude that there is an average permeability of tested concrete is 299 liters per minute per meter square and strength of it is 95% of m15 grade concrete.
Freezethaw resistance of pervious concrete depends on its. It is typically designed to capture rainfall on the pavement surface area, but may also accept runon from adjacent impervious areas and other hardscapes sidewalks, rooftops, or gutters. The combination of these ingredients will produce a hardened material with connected pores that allow water to pass through easily. Pervious concrete contractor certification, national ready mixed concrete association, august 2005. Proceeding of the international seminar, sustainable concrete construction. Pervious concrete typically describes a nearzeroslump, opengraded material consisting of portland cement, coarse aggregate, little or no fine aggregate, admixtures, and water. Permeable pavement is a pavement type with a porous surface that is composed of concrete, open pore pavers or asphalt with an underlying stone reservoir. Also in permeable or pervious concrete has no fine aggregate and has just enough. This project conducted experimental studies on the compressive strength on pervious concrete as it relates to watercement ratio, aggregatecement ratio, aggregate size, and. Mix design, properties and applications mohammed sonebia, mohamed bassuonib, ammar yahiac a school of natural and building environment, queens university belfast, bt9 5ag, uk b department of civil engineering, university of manitoba, r3t 5v6, winnipeg, canada. It is up to the individual to keep records of these continuing education hours to turn in with the recertification application.
Pervious concrete pavement has the unique ability to allow water to flow through easily, which results in parking lots that have no runoff from rainfall or snowmelt. Also considered as green pavement, it allows water to run through it rather than accumulate on it or run off of it. Pervious concrete functions like a storm water retention basin and allows the storm water to infiltrate the soil over a large area, thus facilitating recharge of precious groundwater supplies locally. Pervious concrete installation for the town of lauderdalebythesea.
Cities love pervious concrete because it reduces the need to rebuild storm sewer systems when new developments go up, says youngs. The parking strips will be monitored over a period of five years to measure performance with respect to infiltration capacity, service life, and any possible negative effects on the adjacent lanes of. Pervious concrete pavements a mixture of coarse aggregate, portland cement, water and little or no sand. Use salt reduction numbers with caution pervious concrete salt reduction will vary and is heavily dependent upon shading. Tennis an organization of cement companies to improve and extend the uses of portland cement and concrete through market development, engineering, research, education, and public affairs work. If an attempt is made to construct a pervious pavement using conventional concrete placing techniques and procedures, the project will be less than satisfactory. The materials used in making pervious concrete are coarse aggregates. Hydrologic design of pervious concrete by michael l. This pervious surface replaces traditional pavement, allowing storm water to infiltrate directly, permitting a naturally occurring. A stormwater solution has been offered in 28 cities over the past 2 years. Final report compressive strength of pervious concrete. Jun 30, 2009 pervious concrete an informational seminar where.
Vrmca announces pervious concrete seminar the virginia. Salt reduction amounts are site specific and are affected by degree of shading. When pervious concrete is used for parking areas, streets, plazas and walkways it minimizes stormwater runoff to surrounding. Pervious pavement porous pavements advanced design. Pervious concrete pavements enviromental concrete the. Concrete pavement, parking lot, and flatwork seminar. Controlled amounts of water and cementitious materials are used to create a paste that forms a thick coating around aggregate particles without flowing off during mixing and placing. Pervious pavement advanced design advanced seminar chris webb and associates, inc. Pervious concrete can also reduce the impact of development on trees. Environmental protection agency epa stormwater regulations. Nrmca has developed guidelines for using pervious concrete in areas prone to freezethaw conditions. When used in pavement applications, pervious concrete can effectively capture and store stormwater runoff, thereby allowing the runoff to percolate into. Pervious concrete contains little or no fine aggregates such as sand, it is sometimes referred to as nofines concrete. The resulting interthe resulting interconnected void space connected void space makes the concrete highly permeable.
Decorative concrete seminar report, ppt, pdf for civil. By definition, pervious concrete is a mixture of gravel or granite stone, cement, water, little to no sand fine aggregate. The theoretical storage capacity of the pervious concrete is its effective porosity. People werent using it to achieve porosity or permeability like what its used for today. Pervious concrete pavement is a permeable pavement, often with an underlying stone reservoir, that captures rainfall and stores runoff before it infiltrates into the subsoil. The aim of this project is to lay the pervious concrete in platform and car parking thus transmitting the water to the underground surface very easily for maintaining. Stormwater seminar october 17, 2007 permeable paving. Nov 05, 20 pervious concrete is known as no fines, gap graded or porous concrete. If the pervious concrete has 15% effective porosity, then every 1 inch 25 mm of pavement depth can hold 0.
The resulting interconnected void space connected void space makes the concrete highly permeable. Percoa products can be used for new construction or to retrofit existing concrete or asphalt surfaces. Pervious concrete also called porous concrete, permeable concrete, no fines concrete and porous pavement is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through, thereby reducing the runoff from a site and allowing groundwater recharge. For shaded areas, pervious concrete may not achieve salt reduction. Pervious concrete allows the water to percolate through the concrete into the subbase and recharge the underground water level. Pervious pavement porous pavements advanced design advanced. Installation requires the same type of drainage bed as that described under porous asphalt. Portland cement pervious concrete pcpc has an excellent performance history in the. Pervious concrete also called porous concrete, permeable concrete and no fine concrete is a special type of concrete with a high porosity used for concrete flat work applications that allows. Ppt pervious concrete powerpoint presentation free to. This concrete is a mixture of cement, corse aggregate and with or without sand. The most important property of pervious concrete is its water permeability. While there are no prerequisites in either training or experience, the written exams are designed so that only knowledgeable finishers or technicians will pass.
At the 2006 world of concrete mega demos, construction of a section of pervious concrete drew a lot of interest from the huge audience. The aim of this project is to lay the pervious concrete in platform and car parking thus. Pervious concrete can be used for a number of applications, but its primary use is in road pavement such as in rural areas. Therefore, a training course has been designed to help you prepare. Pervious concrete system has advantages over impervious concrete in that it is effective in managing runoff from paved surfaces, prevent contamination in runoff water, and recharge aquifer, repelling salt water intrusion, control pollution in water seepage to ground water recharge thus, preventing subterranean storm water sewer drains, absorbs less heat than regular concrete and asphalt. Pervious concrete which is also known as no fines, porous, gap graded, and permeable concrete and enhance porosity concrete has been found to be a reliable storm water management tool. Pervious concrete is the relatively new concrete for the. This report will focus on the pavement applications of the concrete, which also has been referred to as porous concrete, permeable concrete, nofines concrete, gapgraded concrete, and enhancedporosity concrete. Development of photocatalytic pervious concrete pavement for air and storm water improvements. Pervious concrete pavements have not been lost to freezethaw conditions. Pervious concrete has been successfully used for low volume streets, driveways,sidewalks, golf cart paths, slope protection and french drains.
These singleday programs provide detailed instruction on how to implement pervious. Portland cement pervious concrete pavement rmc research. Bellingham, wa, usa native soil section natural conditions porous pavements impervious surface reduction strategies mimicking natural conditions porous pavement section built conditions porous pavements impervious surface. Pervious concrete report by deepak tiwari slideshare. Pervious concrete is typically design with high void content1525%. Thick cement paste is developed to surround thick cement paste is developed to surround and support the coarse aggregate. Pervious concrete is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass through it, thereby reducing the runoff from a site and recharging ground water levels. Pervious concrete parking strips were constructed adjacent to sr 203 through the urban core of monroe, washington. Reduce stormwater runoff pervious concrete is a performanceengineered concrete with a 1530% void system that allows rainwater to percolate through it. Study on compressive strength and permeability of pervious. May 27, 2009 the national ready mixed concrete association nrmca and the portland cement association pca have once again combined efforts to offer the seminar pervious concrete a stormwater solution in three additional cities this summer. Pervious concrete is nothing but no fines concrete, which is also known as porous, gap graded or permeable concrete mainly consists of normal portland cement.
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