Sep 12 2005Stone Gravel or Aggregate? By Concrete Construction Staff Question I have a specification calling for #89 gravel in the concrete mix and #57 stone for the subbase What do these numbers mean? Answer This all comes from ASTM C 33 "Standard Specification for Concrete Aggregates " First there's really no difference in this context Coarse gravel is sometimes used as a base course or layer and topped with medium gravel before a sand bed is added Coarse gravel allows good subsurface drainage Recycled Gravel Consider repurposed gravel old concrete that has been crushed just like limestone (limestone aggregate is a component of most concrete)

What is Crushed Stone # 57?

Nov 28 2017Gravel differs from crushed stone due to the natural process of erosion and weathering and the rounded shape Crushed stone is an accessible abundant and common natural resource used in industries including agriculture and construction The Grades The versatility of crushed stone allows the material to be used for numerous purposes

Gravel Stone Delivered to Maryland and Northern ia Saunders Landscape Supply offers landscaping stone and gravel delivery in Northern ia and Maryland From very small pea gravel to large landscaping stones river wash gravel blue stone crushed stones recycled concrete and more all for sale and immediate delivery in MD VA

Crushed Stone Under Concrete Why It's NeededBy adding crushed stone under concrete you will reduce the odds that the ground underneath your slab will shi Large-scale crushing screening milling plants Offer efficient cost-effective services for you gravel or crushed stone under ncrete

Quikrete 50 lb All-Purpose Gravel is a multi-use product for a variety of decorative and landscaping applications This product has been washed and properly graded for consistency It can also be used for structural applications when combined with other materials such as portland cement and Quikrete all-purpose Sand for making concrete

3/4 Crushed Bank Run Crushed gravel 3/4 inch minus used as a surface course on roadways driveways and parking lots highway shoulder gravel base material under concrete or brick pavers 1 1/2 Crushed Bank Run Crushed gravel 1 1/2 inch minus used for as a base course for roadways a surface course for heavy duty off highway roads

Crushed Stone Or Crusher Run Under Concrete

Crushed stone gravel delivery in rockland orange 34 crushed stone this type of stone is used as driveway gravel landscaping needs french drainage style setups a foundation for asphalt to act as a supportive base for concrete sidewalks patios and driveways 58 crushed stone commonly under concrete s View All Crushed stone or crusher run

Both gravel and crushed stone are generally acceptable for making quality concrete (Photo 9) although gravel is usually preferred for exposed aggregate The use of recycled concrete crushed to proper-size concrete aggregate has also demonstrated successful performance

Nov 02 2007Gravel under concrete pad Page 1 of 2 1 2 Last Jump to page Results 1 to 10 of 14 Assuming 3 of gravel under the upper side this means the lower side would have 10 of #57 gravel under the pad Stone or crusher run should be easily compacted enough to surpport a slab if it's only 5-7 deep and you've driven over it with equipment

We have what size crushed stone under concrete slab When working with concrete slabs it's important to take the appropriate steps to ensure that it lasts for many years to come In order to get the most use out of your concrete slabs you need to add a layer of crushed stone beneath it g crushed stone under concrete serves several purposes and can provide the following benefits

Crushed stone is exactly what it sounds like rocks that have been crushed or broken down by crushing machines Its main uses are as an aggregate for construction and landscaping purposes Crushed stone and gravel are different in that natural processes produce gravel and its surface is rounded as opposed to the more angular surfaces of crushed stone

How to Lay a Gravel Shed Foundation Gravel Stone and Crushed Concrete over 1″ (with no smaller bits) If you plan to add a concrete pad over the gravel foundation you must dig down at least 8 inches to allow for 4 inches of gravel and 4 inches of poured concrete

Austin Landscape Supplies Crushed Limestone rock a wide range of uses landscaping limestone is used for drainage roads foundations and pads Size Color and Shape will vary on all stone products Sizes are not exact *Previously known as Concrete Gravel or Washed River Gravel

Our crushed stone products are used for foundation combination French Drains seal coating driveways roads parking lots bedding under concrete slabs Harmony Sand Gravel Landscape Equipment and Supplies Concrete Stone Serving the Construction Industry since 1952! we offer sand and gravel delivery as well as onsite service

Gravel under concrete footing

Mar 31 2015Crusher-run gravel compacts well but does not drain very fast -- at least not as fast as 3/4-inch crushed stone (no fines) Talk to a soils engineer if you are worried -- but in my experience either crusher-run gravel (compacted) or 3/4-inch crushed stone can be used under footings So can rigid foam An engineer may disagree

Construction aggregate or simply aggregate is a broad category of coarse material used in construction including sand gravel crushed stone and recycled concrete Aggregates are the most mined material in the world Aggregates are a component of composite materials such as concrete and asphalt concrete and serves as reinforcement to add strength to the overall composite material

Purchase bluestone either on site or online We have all types of quality bluestone including garden bluestone pebbles pea gravel crushed rock concrete and landscaping materiels You can purchase bluestone from us in a variety of quantities including bulk bluestone a yard of bluestone a cubic yard of bluestone and bluestone by the yard

Nov 26 2002For something like garage 8 of compacted stone and 4 of reinforced concrete would be a minimum and 12 or stone and 6 of concrete would hold just about anything Somewhere in that range will work for just about anything you want 11-23-2002 08 53 AM #4 gerard

Crushed concrete is recycled and comes in graded and screened sizes for use as a Hard Fill or Drainage material It packs well to give a firm base and can be used as an alternative to standard base materials When graded and screened to fine crushed concrete works well as leveling under footpaths or concrete

Crushed Stone The Unsung Mineral Hero Crushed stone is often looked upon as one of the lowliest of commodities however it is used for such a wide variety of purposes in so many industries that it should be elevated to a position of distinction It is the geologic commodity upon which almost everything is built

Aug 21 2018Concrete and asphalt are aggregates which include crushed stone in each case sand and gravel are added to a binding agent to create a material which is tough durable and can withstand weather conditions such as rain snow and freezing temperatures The material can also be used on its own straight from crushed stone suppliers as a base