Roman Concrete - How They Did It

 


Article by: Delmar Germyn

This does not have much to do with casting concrete , Healthy Soils Equal Bountiful Harvest! in molds or forms, but it is interesting. I wondered just how long concrete , Things You Should Consider When Buying Your First Garden Leaf Blower had been around after reading an article that claims that the pyramids are made of concrete , Waterlilies blocks. http://www.geopolymer.org/science_archaeology/pyramids_egypt/index.html - if you want to see it. It looked interesting so I looked up Roman concrete. , Decorative Outdoor Lighting

They where known to be using concrete , Natural Gardens and molds 2000 years ago. The cement part was the same as today. The difference was the way it was obtained. Modern cement is made from limestone in cement plants. , Tips on Gardening It is crushed and ground to a fine powder, and cooked at very high temperatures. , Adding a Water Feature to Your Yard In Roman times they used volcanic ash (composed of silica and some aluminum and iron oxide) and lime.

This was mixed with sand , Soil is the Foundation of Every Garden in as dry a mix as possible on site and placed over layers of rock that had been pre set. Then they pounded the concrete , Catch a Leprechaun in Your Garden mix into the rocks until the spaces between the rocks where filled with the mix. Then another layer of rocks, more concrete , Low Voltage Outdoor Lighting mix, etc. Until the thickness that was wanted was reached. It was a good system, the Pantheon is still there in Rome along with a lot of other buildings , How to Make a Weed Dabber made this way over 2000 years ago.

Around 1980 or so this method was "rediscovered" and is often used now. With modern equipment such as mobile vibrators and vibratory rollers it is used to make Dams, airport runways, and in other places , Wild Flower Garden - Yours to Design and Plan where strong concrete , Garden Pond Liners is needed. This is stronger than poured concrete , Choosing the Proper Pond Pump because there are less voids. Voids cause weakness. It is also cheaper because no rebar is used. some say it is environmentally , Composting for Kids friendly, -less steel, less water , Garden Accessories and runoff, and less cement. In modern poured concrete , Healthy Soils Equal Bountiful Harvest! the voids are compensated for with rebar. The romans did not have steel, and their concert didn't need it!

Some of their buildings , Natural Gardens used clay bricks in the concrete , A Guide To Landscape Bridges and some had bronze where we would have rebar. This was not a common practice, but was used on roofs , How to Create a Beautiful Landscape Painting and arches.

I wonder if some off our modern buildings , Green Thumb Gifts: Beyond Gardening Gloves will be around in 2000 years? Probably not. The Pantheon will be 4000 years old then, but probably be starting to show its age.

For more on this search for "roller compacted concrete". Here is a link to a dam in CA. http://www.cncpc.org/pages/media.html Those of you that live downstream from a dam may be particularly interested.

copyright 2005 Delmar Germyn http://www.delsmolds.com
Delmar Germyn - EzineArticles Expert Author
Author - Del Germyn Web , Adding a Water Feature to Your Yard site http://www.delsmolds.com

My web , Rugged Outdoor Elegance: All Weather Indoor / Outdoor Rugs site is setup to help you and I learn more about molds and casting in general.

YOU WILL FIND....

Articles on how to , Flowers mix your concrete, , Green Thumb Gifts: Beyond Gardening Gloves hypertufa, etc for different uses.

Free information , Fertilizing to Create More Blossoms on Your Flowers, Flowering Shrubs, and Trees on how to , Easy Care Of Phalaenopsis make your own molds. Tips , How to Create a Beautiful Landscape Painting and hints on their use and care.

Free information , Tips on Gardening on making and using various types of molds to cast concrete, , Rugged Outdoor Elegance: All Weather Indoor / Outdoor Rugs plaster, cement, ceramics, and molding with hypertufa.

Suggestions for projects that you can do in a couple of hours that will make your yard , Gardening Tips To Excite Toddlers And Preschoolers / garden , A Guide To Landscape Bridges look great.

All the information , Recycling Carwash Wash Water for Landscape and Toilets on the site is free to use and share.

Click here to go to my site now. http://www.delsmolds.com

I am hoping that when you see what I have (or have not) set out you will send in your tips , How to Create a Beautiful Landscape Painting and stories.

By sharing we can all learn from each other. We can also help newcomers to the hobby / business.

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