can sand made of soft rock used in concrete

Terram | Geosynthetics | Geotextiles | Geocells ...
Highways. Terram standard, nonwoven geotextiles have been used for over 40 years in the construction of highways, car parks, haul roads, access roads, hardstandings, container port terminals and other loaded areas.
Crushed Stone or Crushed Concrete
I would make sure you have at least a couple of inches of real stone under the slab to keep the capillary break in place. But below that you could use crushed concrete. Brick however, and concrete block for that matter, I would not use. Brick is much softer than concrete, and concrete block is also much more porous than poured concrete.
How to Set a Stone Walk or Patio
The forms give the project an outline in which to work and if you are laying the stones on sand or concrete, the forms help contain this material as it is being used. When the job is complete, the forms can be easily stripped.
How concrete block is made
The concrete commonly used to make concrete blocks is a mixture of powdered portland cement, water, sand, and gravel. This produces a light gray block with a fine surface texture and a high compressive strength.
Geneva Rock Products
Washed angular rock used in concrete mix designs as well as gravel backfill where a very clean rock is specified. View Full . ... electrical conduit and other utilities where a 'soft' sand casing is recommended. View Full . Sand – Washed, Masonry ... Geneva Rock Products ...
How Get Make Cement And Concrete
Home Made Cement And Concrete. Do you want to learn how to make cement... from scratch! ... There are a couple of ways you can test your rock to see if it is limestone or not. First test is to take some vinegar or an acid and put some on the rock. ... Sand from dirt yields better concrete than river sand. You can separate sand out of yard dirt ...
Using limestone sand for a driveway
Sep 09, 2003 · Re: Using limestone sand for a driveway My 300' driveway is made with Limestone stonedust (Actually called 1/2" but it is much finer then 1/2"). It's like concrete after it gets wet and compacted.
Sand under slab
Aug 14, 2008 · The only points I can see for the sand is to make leveling easier under the and perhaps to speed concrete finishing time in cooler weather, however with the in between it may not help much with that.
Pumce Concrete: Lightweight, Insulating, Durable
Pumice concrete is proportioned, mixed, and placed in a similar manner as conventional sandandgravel concrete. Hess pumice concrete has 4X the Rvalue of typical sandandgravel aggregate concrete. Well cements made from Hess Pumice aggregates have performance advantages in strength, durability, elasticity, permeability and insulation .
Permeable Paving Options
Decomposed granite can be used to create a casual driveway or patio. Landscaping Network in Calimesa, CA. Because this creative driveway mosaic made of broken concrete, stone, bricks and gravel is mortarless water easily passes through and back into the ground water.
Styro Concrete: 5 Steps (with Pictures)
There are many concrete projects, such as benches for sitting and walkway fill, that can be made using lightweight Styro Concrete. By substituting Styro trash for storebought gravel in the concrete mix, one saves on not only weight, but also on the cost of materials. To the best of my ...
Gravel Over Sand Driveway
Dec 31, 2009 · To that extent, I've decided to xeroscape which will require removing a concrete driveway and replacing it with something porous. I like the 3/8" coral rock that they use down in the Keys. The problem is that I live on a sand hill, sugar sand to be exact.
From sand to rock—quickly!
From sand to rock —quickly! Published: 3 November 2009 (GMT+10) ... In a series of trials, the bacterium treatment altered the consistency of sand, making soft sand harder, even "changing it into a substance as hard as marble". ... which makes it a more secure option than concrete for mending heritage structures. ...
Making Concrete
Concrete is made from cement, sand, gravel and water. In making concrete strong, these ingredients should usually be mixed in a ratio of 1:2:3: to achieve maximum strength. That is 1 part cement, 2 parts sand, 3 parts gravel, and part water. (See figure 6).
Use of Crushed Granite Fine as Replacement to River Sand ...
Use of Crushed Granite Fine as Replacement to River Sand in Concrete Production . Manasseh JOEL . ... Concrete is an artificial conglomerate stone made essentially of Portland cement, water, sand and coarse aggregates. ... In India the use of quarry dust to replace river sand was reported by [2]. The use of rock dust as an alternative to ...
Construction Materials in Bangalore | Building .
Find Construction Materials in Bangalore for Building your house also understand all Building materials in Bangalore required for Civil construction like Cement Steel River Sand or M Sand Bricks Solid Blocks.
concrete slab and sand types?
Jun 13, 2010 · concrete slab and sand types? hi guys, great forum you have here! ... ive done 2 small slabs now and its been down for 2 days but it still seems soft. will brickies sand, 20mm agg and river sand work as a slab? ... Ih Right, that would make a really weak and smelly concrete wouldn't it?
Footing Fundamentals
You can place concrete in up to 1 inch of water concrete is 2 1/2 times heavier than water, and it will displace the water. You might want to thicken the footings in that case, because the bottom of the concrete may absorb some water and be .