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Can I Use Crushed Cement That Is Gone Hard

Can I Use Crusher Fines In My Landscape Angi angie s List Jun 30 2011 Recycled concrete aggregate RCA refers to crushed concrete and other materials suitable for use as fill and compactible fill Initiatives to use CCA in concrete mixes have proceeded slowly and cautiously for many reasons

concrete vs

04 05 2010  17 248 Posts #2 May 4 2010 I put concrete piers in posts on top of that Metal bracket attaches the 2 Gravel in the bottom around the sides allow the posts to dry out Sealing the posts in concrete will rot them long term Can depend upon your soil/drainage conditions

Process of Crushing Stone for Concrete Recycling

Rocks and minerals used in industrial products can be recycled Three of the most common types of aggregate are sand gravel and recycled concrete Concrete aggregate is made by crushing concrete from demolished buildings highways and other structures or from a

P Q University Lesson 7

02 09 2019  In the weight class up to 77 tons 70 metric tons they can be used for both virgin stone and recycled concrete and asphalt aggregates processing as a classic primary crusher for natural stone with an active double deck grizzly or as a recycling crusher with vibrating discharge chute and the crusher

Can I Make Concrete with Just Sand and Cement What To Do

13 08 2020  Image by jarmoluk via Pixabay Just as you can make no fines concrete without sand you can create a concrete mix that incorporates a high proportion of sand However concrete that incorporates higher levels of sand compared to coarser aggregates will be weaker overall and cannot be used for structural applications or where support or load bearing abilities are required

VicRoads Specification 815 Cement Treated Crushed Rock

Cement treated crushed concrete mixes for use on specified works can be registered in accordance with VicRoads Code of Practice for Registration of Crushed Rock Mix Designs as listed in Section 175 a The cement treated crushed rock shall be free from vegetable matter and lumps or balls of clay

What is the best gravel for compaction

25 05 2020  What type of gravel is used under concrete Because concrete is a very porous material it will absorb any moisture that it contacts This can cause pooling Without crushed stone pooling water will settle under it and erode your slab Adding a layer of crushed stone will add proper drainage as well as create a barrier between your slab and

Crusher

A crusher is a machine designed to reduce large rocks into smaller rocks gravel sand or rock dust Crushers may be used to reduce the size or change the form of waste materials so they can be more easily disposed of or recycled or to reduce the size of a solid mix of raw materials as in rock ore so that pieces of different composition can

Crushed Concrete Aggregate Concrete Construction Magazine

30 06 2011  Recycled concrete aggregate RCA refers to crushed concrete and other materials suitable for use as fill and compactible fill Initiatives to use CCA in concrete mixes have proceeded slowly and cautiously for many reasons A central concern is whether CCA can have the same quality as virgin materials a pile of demolished concrete could have

Different Types Of Aggregate And Their Uses

Oversized Clean Crushed Concrete75mm 100mm no fines Tarmac Plainings Screened and Unscreened types Gabion Fill Granite75mm 200mm Demolition and construction sites can create large masses of wasted building materials This gives homeowners the perfect material for a sub base among many other uses These concrete paving stones and

What are the advantages and disadvantages of stone dust in

Answer 1 of 4 Stone dustif you are talking about the finer particles than 150 micronit is not recommended to use in concrete Almost everywhere concrete is done using crush stone sand Cement is normally passing through 90 micron Dust have particles finer than 90 micron Some have

can crushed porcelain be used for concrete aggregate

Crushed Concrete Concrete Aggregate 101Superior Crushed concrete can be used in a variety of circumstances It s used by homeowners contractors and landscapers as a practical material for general problem solving like creating a base for a driveway garden beds or overall construction purposes 4 thoughts on Crushed Concrete

Gypsum processing and use

heat Crushing can be done manually with a hammer or hand held roller but mechanical crushing is faster and less laborious Most clay crushing equipment such as that used for brick making and pottery would be suitable Crushing should reduce the gypsum to grains of less than a few millimetres across Gypsum sand does not need crushing

Stones and Gravels

Crushed Rock A budget option commonly used as a stable and compacted paving base It can also be used for decorative purposes Concrete Mix A blend of washed sand and 14mm screenings ready for cement and water to be added Limestone Screening Suitable for courtyard areas pathways and driveways for drainage purposes or as a

compacting gravel /crushed rock fill

26 04 2011  When compacting soil you do it in 6 lifts What about compacting washed gravel or crushed rock I was told that # 57 gravel is self compacting I find this hard to believe I want to be dang sure What do you do What has been your experience Anyone here have the answer Thanks The situation is filling a 3 wide x 7 deep ditch that will have concrete paving over it

Crushed Rock Products

FINE CRUSHED ROCK Our Fine Crushed Rock is one of our more common used products and comes in a range of sizes classes and treatments All 20mm FCRs can be processed through our pugmil to be delivered at the desired moisture content

What should the ratio of crushed rock and sand for a paver

2 tons approximately 1 cubic yard of crushed concrete was not enough to cover my 90 square feet to a depth of 4 inches I probably ended up putting down 3 tons Since the patio was positioned next to a concrete sidewalk I used an 8 2x4 with a piece of scrap wood nailed to one end which gave me a depth of 3 inches the sand and paver depth

Crushed Concrete Aggregate Concrete Construction Magazine

30 06 2011  Recycled concrete aggregate RCA refers to crushed concrete and other materials suitable for use as fill and compactible fill Initiatives to use CCA in concrete mixes have proceeded slowly and cautiously for many reasons A central concern is whether CCA can have the same quality as virgin materials a pile of demolished concrete

Gravel under concrete footing

01 04 2015  Crusher 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

Using Recycled Concrete Aggregate

28 02 2019  Crushed concrete has been in use since the ancient times only to be integrated with gravel sand and cement to ensure durability The practice was first recorded in the 1860s US construction companies were reluctant to use the technique at first since crushing cured concrete

Filling Compacting Materials I Centenary Landscaping

Numerous bush walking tracks around Brisbane use Deco Granite as a finishing layer e g Mt Cootha bush trails Like both Road Base and Crusher Dust Deco can also be stabalised with cement It is recommended a white or off white coloured cement is used

Recycled Aggregates

The crushing characteristics of hardened concrete are similar to those of natural rock and are not significantly affected by the grade or quality of the original concrete Recycled concrete aggregates produced from all but the poorest quality original concrete can be expected to pass the same tests required of conventional aggregates

Great Uses for Broken Concrete Chunks

06 08 2015  Clean fill is a term used in the world of concrete as an excellent type of filler for installing new driveways and backyard decks Whether using asphalt or any other type of cement to pave your new driveway pieces of broken concrete can be implemented as a solid filler while saving you some time trouble and money as well

Determining What Size Crushed Stone You Need For Your Project

Here are the most commonly found crushed stone sizes and what you can use them for Dust screenings This is a 1/4″ minus material that can be used to fabricate concrete pavers or blocks or it can be used as a base for pavers or blocks It is also used to make asphalt and is commonly used for walkways bike paths and in horse arenas

12 Uses of Rocks

Rocks are used for masonry work lintels and vertical columns covering floors of the building Flags or thin slabs are used for paving roofing etc Broken or crushed rocks are used as aggregates in concrete in road constructions Broken or crushed rocks are also used as railway ballast Stone screenings are used as a natural substitute for

When To Use Crushed Stone As Opposed To Gravel For A Project

Crushed stone is a versatile material and can also be used for many commercial residential and DIY projects Due to its modest cost and easy installation it is often used for horse riding arenas screenings and walking and bike paths screenings and 3/8 size as well as for drainage systems and as a base or sub base for residential crushed rock

Gypsum processing and use

heat Crushing can be done manually with a hammer or hand held roller but mechanical crushing is faster and less laborious Most clay crushing equipment such as that used for brick making and pottery would be suitable Crushing should reduce the gypsum to grains of less than a few millimetres across Gypsum sand does not need crushing

Crushed Concrete Rock

Crushed concrete rock or angular rock is produced by crushing recycling old concrete from roads parking lots or demolition sites is an environmentally friendly and cost effective material that can be used in a wide variety of commercial or personal

Can I Use Crusher Fines in My Landscape

Hard rock deposits are typically solid rock formations that are quarried with explosives The material is then run through a crusher and then screened to produce various sized aggregates These aggregates depending on their ultimate use can be sized according to the required dimensions and tolerances

Aggregates for Concrete

Recycled concrete is created by breaking removing and crushing existing concrete to a preferred size It is commonly used as a base layer for other construction materials Recycled concrete can be used as aggregate in new concrete particularly the coarse portion

Can You Use Crusher Dust Instead Of Concrete Blend

Can You Use Crusher Dust Instead Of Concrete Blend 26 May 2013 can you use crusher dust instead sand in concrete As a guide only we recommend that you Detail About Is there any alternative for course aggregate in concrete

Flagstone what to use sand cement or gravel

19 03 2014  You can use a course sand for under the flagstones sure Thanks Devin that s exactly what I was hoping to hear The base rock must be a CA term for crushed rock and stone dust mixture and it compacts quite well I won t use the poly sand stuff but know if I use cement again I will have the same maintenance issues

cement can crush crusher equipment

Track crushers A productive track crusher like the 5256T from Screen Machine Industries can pulverize quarry rock concrete asphalt and other hard materials quickly and effortlessly A robust ACERT diesel engine can supply the extraordinary crushing power along with outstanding fuel efficiency that will reduce your operating costs

Understanding rock and gravel grades and uses

Crushed rock and gravel can be used for many different projects from driveway construction to erosion control to decorative mulch mon sizes You will need different sizes of crushed stone depending on your project Larger pieces of say 2½ inches or more can be used for erosion control and can also work well as decorative stone cover ushed stone between 1 and 2½ inches is

Concrete recycling

Concrete recycling is the use of rubble from demolished concrete structures Recycling is cheaper and more ecological than trucking rubble to a landfill Crushed rubble can be used for road gravel revetments retaining walls landscaping gravel or raw material for new concrete Large pieces can be used as bricks or slabs or incorporated with new concrete into structures a material called

Recycled Aggregates

The crushing characteristics of hardened concrete are similar to those of natural rock and are not significantly affected by the grade or quality of the original concrete Recycled concrete aggregates produced from all but the poorest quality original concrete can be expected to pass the same tests required of conventional aggregates