No fines concrete ppt download

Pervious concrete is known as no fines, gap graded or porous concrete. Free powerpoint templates design is an online resource where you can browse and download free royalty background designs, powerpoint illustrations, photo graphics, and ppt template design for your powerpoint presentations. Effect of aggregate type on compressive strength of concrete abdullahi. Mechanical properties of no fines pervious concrete. Segregation and bleeding in concrete causes, effects. Beyond strength and durability, there may be other properties of concrete that are desirable on any given project. Here is a free free construction market report powerpoint template, with the image of construction structure. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This report will focus on the pavement applications of the concrete, which also has been referred to as porous concrete, permeable concrete, no fines concrete, gapgraded.

If playback doesnt begin shortly, try restarting your device. Bases and subbases for concrete pavements aashto classification a6 or a7 soil groups or the unified soil classification system ch, mh, and oh soils. The utilisation of recycled concrete aggregate rca in selfcompacting concrete scc has the potential to reduce both the environmental impact and financial cost associated with this increasingly popular concrete type. Allan block retaining walls and nofines concrete no problem. Dec 23, 2016 as nofines concrete doesnt segregate, it can be dropped from a considerable height and placed in very high lifts. How to download ppt files from slideshare online for free. Xpowerpoint ppt search engine is especially designed for doctors and teachers to help find accurate powerpoint presentations for their research. No fine concrete also called porous concrete, permeable concrete, and porous. Concrete structures introduction to design methods in reinforced concrete sustainable construction is concrete green. Experimental study on properties of nofine concrete. The strength of no fines concrete increases as the cement content is increased. Fly ash is the most widely used pozzolan in concrete. This has lead to the use of no fines concrete in place of conventional concrete and asphalt surfaces. Although no fines concrete was used as early as the nineteen twenties, its possibilities were not fully investigated until the shortages of the postwar period stimulated interest in forms of construction which economised in building materials.

Topmix permeable the ultimate permeable concrete system. No fines concrete usually used for both load bearing and nonload bearing for external walls and partitions. Rebound hammer test the schmidt rebound hammer is principally a surface hardness tester with little apparent theoretical relationship between the strength of concrete and the rebound number of. The strength of aggregates do not contribute to the strength of concrete for low strength concrete. Topmix permeable is a fast draining concrete pavement solution that rapidly directs stormwater off streets, parking surfaces, driveways and walkways. Properties of concrete concrete is an artificial conglomerate stone made essentially of portland cement, water, and aggregates. Concrete mix design definition concrete mix design is defined as the appropriate selection and proportioning of constituents to produce a concrete with predefined characteristics in the fresh and hardened states. No fines concrete, as the name implies, is simply a concrete product that doesnt contain sand or fine materials. Slag is pulverized into a fine powder called ground granulated blast furnace slag.

Use of sea sand as fine aggregate in concrete making. Ppt concrete structures powerpoint presentation free to. Pervious concrete also called porous concrete, permeable concrete, no fines concrete and porous pavement is a special type of concrete with a high porosity. Also explore the seminar topics paper on transparent 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. It is mixed to a pourable consistency and used to fill spaces within block walls, or other cavities.

In addition, the use of rca leads to a possible solution to the environmental problem caused by concrete waste and reduces the negative. Pervious concrete pavements a mixture of coarse aggregate, portland cement, water and little or no sand. No fines refers to the type of concrete used concrete with no fine. Accordingly, the absorption capacity of recycled aggregates should be treated as one of the. Properties of selfcompacting concrete with recycled. Discovering and getting the most related and suitable powerpoint. A good concrete is one which all the constituents are properly categorized to form a homogeneous mixture. Concrete and masonry systems concrete and masonry panels abbreviations wfh wssp wpl cp. With powerpoint you can save a presentation as an animated gif which can be shared via social or other digital channels. As the name indicates, this a concrete mix without fine aggregate or sand. This form of lightweight concrete is generally a crushed rock or gravel of 20 mm single size aggregate 1020 coated in a cement slurry with no fine aggregate addition. Retaining solutions no fines concrete gravity walls. The singlesized coarse aggregates are surrounded and held. If a slide in your presentation has no animations or media, or if they exist but are less than the minimum duration, the slide is.

The coarse aggregate should preferably be a singlesize material nominal maximum sizes. Uniformly distributed voids are formed throughout its mass. It is a fine residue resembling cement that is a byproduct of burning coal in an electric power generating plant. The constructor civil engineering home provides informational resources to civil engineers on subjects such as concrete, construction, structures, building tips, how to guides. The work presented in this paper seeks to build on the existing knowledge. Aggregates generally occupy 65 80% of a concrete s volume. Mineral products association mpa is the trade association for aggregates, asphalt, cement, concrete, dimension stone, lime, mortar and silica sand industries. Learn how to troubleshoot and resolve audio playback issues in powerpoint.

Boral no fines permeable concrete, when placed correctly, absorbs rainwater and facilitates natural runoff into the ground or storage tanks. D iscovering and getting the most related and suitable powerpoint templates is as simple as few clicks. Pervious concrete is traditionally used in parking areas, areas with light traffic, pedestrian walkways, and greenhouses. The conditions that prevail at the site of work, in particular. As nofines concrete has little or no cohesion in the fresh state, it requires long time for the removal of forms. One of the main advantages of no fines concrete results from its relatively low hydrostatic pressure when wet. M international journal of civil and structural engineering volume 2 issue 3 2012 794 olanipekun, olusola, and ata 2006. As there is no use of fine aggregates it is also known as no fines or porous concrete. Woodland heights, a 30unit townhome association built in the 1980s, needed to replace its second timber retaining wall. Properties of concrete with coconut shells as aggregate. Concrete is a mixture of cement, coarse aggregates, fine aggregates or sand and water.

No restrictions are placed on organic impurities in fine aggregate for. Applicability of nofines concrete as a road pavement page i abstract considerable research has been conducted on environmentally sustainable development. It has good drainage properties due to its open texture. Properties of fresh concrete visual observations during mixing and compaction of all the concretes suggested that the concretes were homogeneous. No fines concrete sometimes referred to as porous or opentextured concrete is a concrete consisting of cement, coarse aggregate and water. See the nofines concrete estimating chart for more information. The powerpoint template is suitable for building constructions, civil engineering or architectural design for ppt presentations. No fines 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 directly through, thereby reducing the runoff from a site and allowing groundwater recharge. The concrete is conveyed from the mixing truck to its. No fines concrete a special type of gapgraded concrete also known as pervious concrete it is made by eliminating the utilization of fine aggregate completely and only a uniform size of coarse aggregate is used. List of is codes for cement and concrete civil engineering. Possibilities in concrete structure a free powerpoint ppt presentation displayed as a flash slide show on id.

Applicability of nofines concrete as a road pavement. Concrete is strong in compression but relatively weak in tension and bending. Discovering and getting the most related and suitable powerpoint templates are as simple as. We deliver high quality powerpoint presentation templates every week. Pervious concrete fhwa us department of transportation.

This minimises the cost and longterm maintenance for local authorities and developers of stormwater management. Properties of concrete with coconut shells as aggregate replacement 23 4. 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. Nofine concrete has been in use in many countries over more than a century. In general, concrete mixes are designed in order to achieve a defined workability, strength and durability. No fines concrete is obtained by omitting fine aggregate fraction from the conventional concrete. Nofines concrete is a concrete containing little or no fine aggregate. A 10inch no fines wall, re n d e r ed externally and plast e r ed intern a l l y, has a heat transmission value of 0. Reinforced concrete rc and steel buildings under the action of lateral loads, especially during earthquakes. The characteristics of aggregates impact performance of fresh and hardened concrete. The full length of those animations or media are recorded in the gif. Separation of cement pastes from the concrete during its plastic stage. Because airentrained concrete is more workable than standard concrete and because the entrained.

Following are the however the limitations of the nofines concrete. The compressive strength of nofines concrete is considerably lower than that of conventional portland cement concrete and varies between 200 to 2000 psi 1. Separation of water from the concrete mix bleeding in concrete concrete is a mixture of cement, fine and coarse aggregates. No fines concrete can be defined as a lightweight concrete composed of cement and fine aggregate. Its higher porosity helps in percolating rain water directly to ground and thereby helps in recharging groundwater aquifer. These powerpoint presentations are shared by people all over the world to help you. It was named portland cement because it looked like the. Advantages, limitations and mix proportions of no fines concrete is discussed. These is codes include the standardization in the field of all types of cement, pozzolana, testing sand, concrete, aggregates, instruments for cement and concrete testing, cement plant machinery and ferrocement concrete, reinforced concrete and prestressed concrete, test methods for concrete.

Explore transparent concrete with free download of seminar report and ppt in pdf and doc format. Learn more information on ending and topping off the wall. Abstractthe use of recycled concrete aggregate rca in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for virgin aggregate. Effect of aggregate type on compressive strength of concrete. Here are the is codes which cater to the need of civil engineering relating to cement and concrete. This concrete has an open structure with a high void content. Plus, youll learn how to clip and save individual slides from online presentations. However, numerous site constraints did not allow enough clearance to install geogrid reinforcement within the property limits. Nofines concrete is a form of lightweight porous concrete, obtained by eliminating the sand from the normal concrete mix. From the figure, when no fine aggregate was added porosity was 21.

This mixture after curing, creates an opencell structure revealing a permeable layer that is capable of allowing rainwater to pass through them and reach the underlying sub soil. No fines concrete is a lightweight concrete made up of only coarse aggregate, cement and water by omitting fines sand or fine aggregates from normal concrete. We also provide stepbystep details on how to download slideshare ppt presentations for free. This type of concrete consists of only water, cement and coarse aggregate. Guidance on the selection of designated concrete in housing and other applications. Pervious concrete, sometimes referred to as nofines, gapgraded, per meable, or enhanced porosity concrete, is an innovative approach to controlling, managing. Typically pervious concrete has little to no fine aggregate and has just enough cementitious paste to coat the coarse aggregate particles while preserving the interconnectivity of the voids. One of the biggest challenges faced by the segmental retaining wall.

In this tutorial, we provide an overview of the slideshare download and clip slides features. Nofines concrete backfill typically consists of cement, fly ash, water and coarse aggregate. No fines concrete is literally that concrete made without fine aggregate so it has high permeability and drainage capacity. This concrete is a mixture of cement, corse aggregate and with or without sand. Aggregates are inert fillers floating in the cement paste matrix for concretes of low strength. This solution is also advantageous when walls between 1.

No fines concrete is one type of light weight concrete. Other factors responsible for non uniform foundation include variability due to a number of reasons including, natural causes, excavation and. Since most buildings built in india are made of rc, the dominant set of examples used is of rc buildings. Special concrete in todays modern world of concrete, performance parameters are no longer solely restricted to the materials 28 day compressive strength. For example, if dropped too far, the heavy or big aggregate particles can settle and lighter mix components, such as water, tend to rise. Pervious concrete can be used for a number of applications, but its primary use is in road pavement such as in rural areas. Our aim is to enable all those involved in the design, use and performance of concrete and masonry to realise the potential of these materials.

We provide you a fantastic collection of free powerpoint templates design that you can download for free and regulate for your personal presentations. Although there are various reasons why music or other audio might not play correctly in a powerpoint presentation, compatibility is the most common cause. During mixing, the fine powders are rapidly bound onto the cement grains, thus masking the. Very often only single sized coarse aggregate, of size passing through 20 mm retained on 10mm is used. 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. Grout is a mixture of cement, water and most generally fine aggregate. Nofines concrete is obtained by eliminating the fine material sand, from the normal concrete mix. The wimpey nofines house was a construction method and series of house designs produced by the george wimpey company and intended for massproduction of social housing for families, developed under the ministry of works postworld war ii emergency factory made programme. May 05, 2015 no fines 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 directly through, thereby reducing the runoff from a site and allowing groundwater recharge. Pdf color pigments in concrete and their properties. No fines concrete is a lightweight concrete produced by omitting the fines from conventional concrete. The standard sieves for coarse aggregate have openings ranging from. The main characteristics of this type of lightweight concrete is it maintains its large voids and not forming laitance layers or cement film when placed on the wall.

But, with no loss of generality, the broad concepts discussed in this document are valid for both rc and steel buildings. Organize downloaded slides into different collections you can revisit. Make an animated gif from a slide show office support. Because of these great differences in rate of shri n k a g e, care must be taken when using combined no fines and dense concrete constru c t i o n. 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. How to fix audio playback issues in powerpoint presentations. It consists of a spring controlled mass that slides on a plunger within a tubular. Properties of concrete while cement in one form or another has been around for centuries, the type we use was invented in 1824 in britain.

W elcome to free powerpoint templates design, one of the most usefull powerpoint templates resource website. However, in a number of these situations, srws can still be the most effective solution when used in conjunction with no fines concrete nfc. Investigations on some properties of nofines concrete. It can also minimise saturation of the storm water network, reducing the risk of flooding in heavy rain events. The quantity of cementitious material is approximately 500 lbyd. Concrete mix design one of the ultimate aims of studying the various properties of the materials of concrete, plastic concrete and hardened concrete, is to enable a concrete technologist to design a concrete mix for a particular strength and durability. No fines concrete is, as the name indicates, concrete consisting of coarse aggregate, cement and water fines being omitted entirely. However, to date limited research exists exploring the use of coarse rca in scc. Advance technology in civil engineering has given an amazing look to the city. This paper defines no fines concrete as a type of concrete from which the fine aggregate is completely eliminated and singlesized coarse aggregates are bound together by a paste of hydraulic cement and water. Application designated concrete recommended consistence class kerb bedding and backing gen0 s1. Nofines concrete backfill can be used with any of the allan block retaining wall collections.