The Effect of Aggregate Properties on Concrete Concrete is a mixture of cementious material aggregate and water Aggregate is commonly considered inert filler which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete
Get PriceBlocked paved drive need concrete base? [ should be type 1 stone ] Often existing drives have no stone at all ! just a bit of sand under the blocks (scalpings or crushed concrete) compacted again concrete in the edgings to contain and next compact Sharp sand before screeding
Get Price16-1-2017If you're setting fence posts you may want to consider using concrete at corner posts and on each side of a gate Those are the only places I'd ever use it Fence Post Checklist Posts must resist wind pressure Set posts in crushed gravel instead of concrete Gravel easier to remove than concrete
Get PriceRecycled crushed concrete is an excellent source for subbase thick—thicker if the engineer feels it is needed for proper support The base course material according to ACI 302 Concrete Floor and Slab Construction should be compactible easy to smooth feeling between your fingers and individual particles are too small to see
Get PriceMOT Type 1 - Crushed Concrete Aggregate - Axtell Type 1 or MOT here we are describing the Crushed Concrete variation of the Department of Transport approved granular sub-base material Art Concrete How-to 1b Mixes What mixes to use for various small concrete
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Get PriceThe type of paving or surfacing that will be used is one of the key factors in determining whether a sub-base will be required Some paving types block paving for example nearly always need a sub-base while others such as pattern imprinted concrete may not need one but wouldn't be any less effective if one was to be included
Get PriceTherefore when you saw or smash concrete that dust you release might very well have heavy metal particles suspended mid air unless they are somehow still attached to the concrete It should be noted that the quantity of heavy metals is still very small but they will
Get PriceThis Crushed Stone estimator will provide you with up to date pricing for your area Simply enter your zip code and the square footage next click update and you will see a breakdown on what it should cost to have Crushed Stone installed onto your home Example a 10 x 10 area = 100 square feet
Get PriceConcrete cancer Cracks are the last thing you want to see in a building or bridge especially a relatively new one made from concrete But if we've got concrete structures dating back to Roman times how come some of the concrete bridges skyscrapers and other structures built just a few decades ago in the late 20th century are already
Get PriceProtection should start as soon as the final surface finish is produced and not the next day This can also be achieved by covering the slab with black plastic Care should be taken to ensure that covering the slab does not mark the freshly poured concrete Protection of coloured concrete
Get PriceHow should an area be prepared for concrete pouring? The area has fence panels around it with concrete posts and those small concrete panels below the wooden panel How much should turfing an area replacing 5 fence panels and laying a 4x3m concrete base cost? Homeowners
Get Pricehow small should concrete be crushed - cookprocessor how small should concrete be crushed MOT Type 1 - Crushed Concrete Aggregate - Axtell Type 1 or MOT here we are describing the Crushed Concrete variation of the Department of Transport approved granular sub-base material
Get PriceThese are 10mm 20mm and 40mm aggregates plus the washed sharp sand These high quality products complement the existing range of dry recycled products which include Clay Soil (Screened and Unscreened) Crushed Concrete Type 1 and Crushed Concrete Hardcore 6F2 plus Crushed Tarmac -
Get PriceWith crushed gravel driveways a base with good drainage is important so make sure the individual installing your crushed gravel driveway pays attention to it or you could be in for problems Nonetheless crushed gravel driveways do generally require less repair or maintenance jobs for you
Get Price21-9-2009Concrete shed base or gravel shed base? Which is best? It all depends Both foundations have their pros and cons of course Which foundation works best depends on your situation land and needs not necessarily on the foundation itself Is this a permanent or
Get PriceThe following conditions decide the maximum size of coarse aggregate to be used in concrete It should not be more than one fourth of the minimum thickness of the member provided that the concrete can be placed without difficulty so as to aurround all reinforcement thoroughly and fill the corner of the form
Get Price14-5-2013Tips for Laying a Paver Patio Video Playback Not Supported Recommended For You These should be about an inch in diameter so that you can scrape the sand off level with them to leave a consistent one inch of sand over the whole patio area mix up some concrete and trowel a small amount against the sides of the outer pavers
Get PriceWhat exactly is MOT Type 1 - Crushed Concrete MOT Type 1 - Crushed Concrete is literally crushed concrete meeting the requirement of the Department of Transport Specification for Highway Works Clause 803 The "SHW" Type 1 can also be constructed of other hard inert materials slag or rocks such as Limestone Granite or Gritsone
Get Price29-10-2019Crushed stone can beautify your landscaping and help reduce weeds Walkways should have at least a 2-inch depth of stone set on top of 2 inches of packed sand Other areas may require anywhere from 1 to 6 inches of stone depth depending on
Get PriceWhile reading a material specification for crushed aggregate the text mentions both crushed stone and crushed gravel are acceptable These materials sound very similar but they are mentioned individually I assume that this means that they are not the same What is the difference? How can I tell the difference if I see them on-site? Example
Get PriceYou'd have to jump pretty high to make that sidewalk crush under your weight In fact you this means that the actual placed concrete should have a compression strength above 4 000 psi after 28 days Since for very small concrete projects
Get Price28-10-2019Even small aggregate sand and pea gravel will make a significant difference in the strength Aggregate to cement proportions should be about 3 parts aggregate to 1 part cement by volume for field/hand mixed concrete Only enough water should be added to afford workability and eliminate voids in the mix
Get PriceWith so many types of concrete it's important to know what mix you need to make your project a success Whether you are setting a fence post or pouring your own driveway this guide will help you understand the difference between mixes so you can be sure to choose the right type for your project
Get PriceHow much does crushed concrete cost? On average the cost of crushed concrete will depend on the type of concrete that is purchased the market conditions and where you purchase it Most companies are going to either charge by the yard or by the ton When crushed concrete is charged by the ton the price can vary anywhere from $6 to $14 per ton
Get PriceA concrete shed base is the strongest type of shed foundation It is at the heavier end of the work you will do to build your shed This article will help you to decide if you really need such a heavy duty solution or if something a bit lighter and simpler to install would work just as well
Get PriceIt is possible to build your storage shed foundation by just placing paving slabs or concrete blocks onto well compacted ground This approach may be successful depending upon site conditions climate etc This article describes a method of improving the ground so the foundation can be more durable and give a better long term performance
Get PriceCrushed stone is often used as a material for producing concrete It is also used as a road base and in some locations it is used for paving roads for example Russia has over 400 000 km (250 000 mi) of gravel roads It is a great driveway base material bike path base fill paver patio sub base walkways and just general fill material
Get PriceA typical answer would be asphalt on average lasts 15-30 years and concrete 20-40 During these time periods however cracking on both asphalt and concrete will occur and repairs should be completed When getting your next asphalt or concrete driveway roadway or parking lot installed the key to longevity is making it sure is built correctly
Get PriceA concrete slab is poured right on the ground It doesn't have a foundation or any concrete walls under it or around it In Maine we install a lot of slabs-on-grade for houses and garages A slab foundation is usually less expensive to install than a full concrete wall foundation with a concrete floor
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