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crushed concrete vs rock

crushed concrete vs rock

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Jun 30, 2010 · It has a porous structure that takes in and holds water. The crushed stone on the other hand does not. So if you use crushed concrete below your slab, its going to take up that water from the damp soil below, and its going to carry it right up to the underside of your slab - defeating the entire purpose of the stone layer. So, a word of advice

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gravel or crushed concrete for a driveway? | denver

Apr 11, 2013 · If the costs are the same, I’d choose the gravel over the crushed concrete. The crushed concrete will tend to have sharp edges to it, making it less desirable for a driveway. The gravel you want for your driveway would not be desirable to use as fill behind your retaining wall

crushed vs round aggregate in concrete - structural

Feb 03, 2012 · 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 ready-mix concrete) in my area - Northern California - is either crushed 1"x#4 - or river rock 3/4". Crushed 3/4" is available at a premium. For high rebar congestion areas, I don't like using 1"x#4

limestone vs. crushed concrete | ehow

Limestone vs. Crushed Concrete. In its pure form, limestone differs significantly from crushed concrete in that the former constitutes a naturally formed rock found in marine environments and the other a manmade construction material. Limestone may appear in crushed concrete as a material found in the cement used to mix concrete

gravel vs concrete shed base | which is a better choice?

So, is a concrete shed base better or stronger than crushed stone? It depends… The truth is, the extra cost of concrete does not necessarily make it a better foundation for a shed. A gravel base is an ideal foundation for small prefab sheds and can even be a good

gravel (river rock) or crushed rock? | valley landscape center

Crushed rock is machined-crushed rock and screened. The rock is angular with jagged edges. The minus after the size (3/4″ Minus or 3/4-“) means that all the fines, smaller pieces or stone dust are included up to 3/4”. The fines help for tamping or compacting to ensure a stable and hard surface. Its uses include roads, driveway, patio base

should i set fence posts in dirt, gravel, crushed rock, or

Someone at the local hardware store had seen posts set in concrete rot and break because water seeps in along the edges of the post (especially in the winter) and does not drain properly. He suggested crushed rock (what I would call gravel, see Definitions of various sand, gravel, and rock products) instead

crushed asphalt vs. crushed concrete - concrete information

Jul 23, 2021 · Crushed Asphalt vs. crushed concrete affordable: One significant advantage of using crushed Asphalt vs. crushed concrete both are the better and low cost for construction. Crushed Asphalt required far-fewer of raw resources for the virgin Asphalt. Considering facts about that Asphalt containing a high volume of the oil and volatile, this is

recycled concrete: the pros and cons - crushed stone, sand

Recycled Concrete Aggregate At-A-Glance. When a concrete sidewalk, road, parking lot, or structure needs to be excavated and replaced, the concrete is often discarded into a landfill. Because chunks of concrete are not biodegradable and are unable to decompose over time, the waste takes up a great deal of space and creates environmental concerns

what should i set my fence posts in? (dirt, gravel

Apr 08, 2021 · Concrete provides a strong foundation for wooden fence posts, but can rot them more quickly. Setting them in dirt, with or without gravel or crushed rock depending on your soil type, can help the posts last longer before going rotten. You can also use metal fence post anchors to prolong their life

the complete guide to crushed stone and gravel - gra-rock

Nov 11, 2019 · Limestone: A sedimentary rock that is the most commonly used to make crushed stone in the United States. One of the most versatile rocks for construction, limestone is able to be crushed easily making it a primary rock used in ready mix concrete, road construction, and railroads. It is widely available in quarries across the country

best gravel for your driveway - 9 top options - bob vila

Crushed Stone #411. 5 /10. The final layer of a gravel driveway consists of smaller gravel blended with coarse rock dust, known as “fines.”. Crushed stone #411, which is a mixture of #57 stone

crushed concrete & concrete aggregate 101 - superior

Jul 29, 2019 · Crushed concrete laid in layers is the perfect base for creating a raised garden bed. Retaining Walls Layering crushed concrete is also a great way to create a retaining wall and control erosion on slopes or hills in your yard. Different sizes of crushed concrete can

7 different crushed stone sizes and their applications

Jul 27, 2020 · #5 – Crushed stone #5 is 1 inch or smaller in size. This material is perfect for road and paver base. #8 – These stones are between 3/8 and 1/2 inch long. It is the most common stone used for concrete mixes. #10 – Crushed stone #10 is known as screenings or dust. Most use this material to create pavers and concrete blocks. Specialty

abc vs. gravel - earthwork/grading engineering - eng-tips

Nov 01, 2010 · I prefer that all base course be either crushed rock or crushed "cobbles/boulders" - in Miquan China we had extensive deposits of cobbles and boulders (no infilling) that could easily have been crushed for concrete and base courses. RE: ABC vs. Gravel

why & how to use recycled crushed concrete - superior

Nov 07, 2019 · Recycling crushed concrete to be reused helps reduce landfill crowding AND saves more resources from being used to create new concrete. Old concrete can be crushed down to specific sizes, cleaned so that unwanted debris is removed from the mixture, and reused as a solution to a number of construction and landscaping problems

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