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The presence of silt and clay in the sand reduces the setting time of cement and make concrete and mortar weak and holds the dampness The requirement of cement is more Water table level get reduced due to dragging of the sand from the river and the roots of the tree may not be able to get water
May 10 2016Secondly aesthetically lime looks better than cement Adding building lime to cement does not give you lime mortar it just provides better workability and a slower set You still end up with cement I always use sharp sand for wall construction it sets much faster and holds the stone in place better You dont mention what type of stone it is
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Crush sand properties Speak with quality The availability of natural sand for concrete production is facing challenges while the socalled waste stockpiles at aggregate crushing areas are causing problems for producers When To Use Crushed Stone As Opposed To Gravel For A Project
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Concrete products are manufactured to last almost forever So why discard the sturdy material just because the useful life of a concrete building or highway has ended Landfilling old concrete suddenly didnt make sense to Terry McAfee and son David They are on a mission to recycle concrete and Sandvik equipment is helping them
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Jul 16 2015Mortar which is a mixture of water cement and sand has a higher waterto cement ratio than concrete It has a thicker consistency which makes
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But when you add the fines into the mix the void spaces disappear The fines lock each piece of crushed limestone together and make it nearly impossible for them to move This is what happens when the sand and cement harden in concrete It is not much different than you being in a tightly packed elevator
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Sep 11 2017Clay tends to retain color and structural appeal much longer than cement CMUs physical properties also explain why its absorption rate is different from brick CMU is a very porous material and will absorb water at much higher rates than brick If you are using brick for decorative purposes then concrete may be your better option
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Moisture is trapped in between the particles which are good for concrete purposes Concrete Strength Higher concrete strength pared to river sand used for concreting Lesser concrete pared to M Sand Silt Content Zero silt Minimum permissible silt content is 3 Anything more than 3 is harmful to the concrete durability
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May 22 2009That said limestone itself is very durable and over time and weathering with settle in better as a surface as its partially soluable with water between that and pactingso crushed concrete is almost overkill Layer good packed base rockdust then crushed limestone should last a
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Jun 22 2015 Every driveway needs maintenance no matter what material you use but you are right the crushed concrete packs much better than gravel I dont care too much for the look of the gravel crushed concrete looks great in my opinion but yes there is a bit of
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Concrete an artificial stonelike material used for various structural purposes made by mixing cement and various aggregates as sand pebbles gravel or shale with water and allowing the mixture to harden any of various other artificial building or paving materials as those containing tar
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Feb 03 2012Certainly crushed rock has better interlock and must have better shear friction for roughened surfaces I do not have the data but I would bet crushed rock is better in most or all performance measures The large aggregate used in readymix concrete in my area Northern California is either crushed 1x4 or river rock 34
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It is able to be applied as a foundation for a number of things but one of the most frequent uses is for driveways Instead of installing an expensive concrete driveway an alternative is to lay crushed rock It can perform just as well as concrete and adds a more attractive finish
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When preparing cement mortar proportions of sand and cement can AFAIK be varied Ive always been using the default remended 1to3 one volume of cement for every three volumes of sand proportion What actually happens if I alter the proportion how will it affect mortar and why would I
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Mar 04 2013Sand has a much higher capillary draw than gravel and can seep into fill perforated drain pipes etc Directing roof drains well away from the house is the first line of defense but I personally wouldnt feel right about not having perimeter drain at the footing as well even with sand that seems to drain well on its own
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Jul 20 2016Because pavers are so much smaller than concrete ex 6x 6paver instead of a 10x 10concrete slab The ground can absorb slight shifts without effecting the patio surface Think of your paver patio as being installed on a floating surface There is room for flexibility without cracking
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Portland cement es in 94 lb bags Quikrete a concrete product manufacturer does sell a smaller bag of Portland cement but few stores carry it Some home improvement stores do however carry small bags of premixed concrete mixes such as sand mix mortar mix highstrength concrete mix etc
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Jan 30 2014If you have a muddy driveway that needs to be firmed up then we have an 1 clear crushed concrete without any fines that packs well in muddy areas For underneath concrete slabs or base paction Our minus crushed concrete is the most popular material we sell for this purpose This material has more dusty fines for paction so it actually packs better for a base than minus
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Mar 31 2012Stone dust is pretty much like concrete sand and site pack is a 34 gravelstonedust mix stone dust packs better then fine sand imo and just doing a base in stragiht gravel is just something I
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Dec 16 2010I live only a few miles from a concrete plant and they offer the crushed concrete for only 15 a load Now mind you if you back up with a 20 yard double axle dump its 15 If you back up with a little utility trailer that only holds 13 of a yard its 15 The price is so cheap pared to gravel that I wont likely get gravel ever again
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Be wary of any pany that insists that pea gravel is better than concrete or viceversa Any reputable pany or supplier will be honest with you and municate that both choices have their pros and cons and the best choice is a situationspecific proposition that requires individual evaluation
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Sep 27 2019Fiber cement board is a variation of cement board that is made from pressed cement and sand and reinforced with wood fibers throughout Like cement board the boards are heavy and hard to cut On top of that fiber cement board is even more brittle than standard cement board so you have to be extra careful to keep screws at least an inch
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May 12 2014It also offers higher flexural strength better abrasion resistance higher unit weight and lower permeability The Disadvantages Workability issues Manufactured sand can be of a coarser and angular texture than natural sand which is smooth and rounded due to natural gradation This can lead to more water and cement requirement to achieve the expected workability leading to increased costs
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Asphalt cement for roads is a mixture of asphalt and crushed stone gravel or sand Crushed Gravel Driveways Landscaping Gravel driveways offer pros and cons distinct from asphalt or concrete because they Example of what I know as a crushed gravel driveway
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The artificial sand produced by proper machines can be a better substitute to river sand The sand must be of proper gradation it should have particles from 150 microns to 475 mm in proper proportion When fine particles are in proper proportion the sand will have fewer voids The
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Dec 25 2019Paving stones are by far the best problem is people dont install them properly A good 6 to 8 foundation of 34 gravel well pacted and no more than 1 of crush sand to set the paver to start and fill the crack with polymer sand to finish and you have a surface that will outlast anything else on the market
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Concrete Sand Southern Crushed Concrete crush sand using in concreteConcrete Sand from Southern Crushed Concrete is a fine aggregate that is used in the production of concrete or mortar Concrete sand is crushed in a quarry then filtered to ensure no large rock fragments are left behind When mixed with cement and water a grout is formed that fills the voids between the coarse aggregate
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Jun 14 2011The building will have a 2 x 2 reinforced concrete foundation Concrete blocks will will bring the building up to grade The height of the blocks will be about 2 in the back and 4 in the front My question is what would be the best material to use to fill with under the slab Choices are between sand crusher dust and clay
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Similarly cement is the essential ingredient for brick mortar concrete and paving stones Many people confuse cement and concrete but they are not the same Cement is like the flour and concrete is like the bread Cement is basically the glue of masonry So this brings us back to our original question Which is better lime cement or Portland
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How crush sand is expensive as pared to river cement Crushed Sand vs Natural Sand Make the Right Diese Seite bersetzen
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Concrete sand also called bedding sand is the proper choice for a base when setting pavers That kind of sand is coarser than other varieties Benefits of Sand
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Limestone may appear in crushed concrete as a material found in the cement used to mix concrete Some builders use crushed concrete as a material for new concrete in which it takes the place of a crushed mixing stone like limestone Crushed limestone appears in some of the same applications as crushed concrete
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Long lifespan With proper maintenance an asphalt driveway will last anywhere from 12 35 years depending on installation climate usage and other factors Like most elements of your home the better you take care of it the longer it will last Cons Style limitations
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Mar 19 2014You have to fit the stones tighter because you are filling the joint with stone dust rather than cement or plasticysand You have to pay attention when leveling out the stones because you are not just squishing them down into wet mortar
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Mar 23 2019Crush sand is far better than river sand and is best material to use old folks will always do say that river sand is better because they did max use of river sand New folks will always plaint for crush sand because when anything happens old folk will try to prove that when we was using river sand such kind of problems were not occuring
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Jun 22 2015Every driveway needs maintenance no matter what material you use but you are right the crushed concrete packs much better than gravel I dont care too much for the look of the gravel crushed concrete looks great in my opinion but yes there is a bit of
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Mortar is made from cement sand and water Its much thicker than concrete Its also much softer than concrete which is great because it allows the things it holds together to move without cracking While mortar is an ideal bonding agent for construction materials it also has to be replaced after several decades because it can
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It is made of crushed limestone which gives it is distinctive white color and softer finer texture It is most often a more expensive type of sand than the other two and is usually only used where its appearance or softer feel will make a difference It can be used in cement for mortar or paving stones but most often it is used in sand boxes volleyball courts and in sand traps at golf courses
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Best way to smooth it out and pact it at the same time is a large vibrating drum roller The crush run needs to be wet when installed after pacting and drying it will be hard as concrete Never have worked with crushed concrete before
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Crushed stone sand and gravel can all be used as drainage aggregates Drainage aggregates are either natural or processed and coarse or fine Coarse aggregate is typically larger than 5 mm in diameter while fine aggregates are less than 5 mm Base Layers Road and patio base layers can benefit from using both crushed stone and gravel
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There are two reasons for the sometimes high price for natural sand pared to crushed aggregate First a good quality sand can have a huge impact on the cement consumption the highest share of concrete selfprice needed to produce concrete with desired properties second the availability of good natural resources is almost exhausted in many parts of the world
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The presence of silt and clay in the sand reduces the setting time of cement and make concrete and mortar weak and holds the dampness The requirement of cement is more Water table level get reduced due to dragging of the sand from the river and the roots of the tree may not be able to get water
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