แสดงบทความที่มีป้ายกำกับ concrete แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ concrete แสดงบทความทั้งหมด

วันอาทิตย์ที่ 26 กุมภาพันธ์ พ.ศ. 2555

วันศุกร์ที่ 10 กุมภาพันธ์ พ.ศ. 2555

Pulverizing Concrete

Cruching concrete from an old chimney foundation with the cat 322C L and a pulverizer

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วันจันทร์ที่ 23 มกราคม พ.ศ. 2555

ICF Concrete Pour - Quad-Lock Insulated Concrete Forms

Training Video 8 of 12: Concrete Pour for Quad-Lock Insulating Concrete Forms (ICF), a revolutionary construction method for sustainable (green), energy efficient, safe and comfortable buildings

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วันจันทร์ที่ 2 มกราคม พ.ศ. 2555

Insulated Concrete Form ICF Basement in Louisiana

Here is the company Alltrade Construction [of Covington, LA] building an 'insulated concrete form' (ICF) basement in Louisiana. It is a styrofoam interlocking block that is reinforced with rebar (horizontally & vertically), wire mesh & wire ties. Then it is braced, leveled & filled with 4000psi concrete. The finished product has an R-Value of 50.

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วันพุธที่ 20 กรกฎาคม พ.ศ. 2554

Pozzolanic ash, Green Binding Foundation acclimated in Concrete and Structural Designs

Pozzolanic ash ,also known as Pozzolana is a constructive residue collected from the Biosphere system which is often used as a road base and as a material for producing concrete block for commercial uses.Hence it is also referred to as a fine volcanic ash, originally found in Italy, and there are a few sites who had done some research that showcased some varieties of pozzolana and these all can be obtained from the volcanic regions of Italy.

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วันศุกร์ที่ 13 พฤษภาคม พ.ศ. 2554

Carolina Concrete Contractors - Raleigh/Durham

carolinaconcreteinc.com Carolina Concrete Constructors in Durham, Raleigh, and Chapel Hill provide commercial and residential concrete construction services including patios, driveways, foundation repair, and more.

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วันจันทร์ที่ 22 พฤศจิกายน พ.ศ. 2553

Concrete Footer Part 1

www.AsktheBuilder.com founder Tim Carter describes installing a concrete footer in this multi-part series.

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วันจันทร์ที่ 1 พฤศจิกายน พ.ศ. 2553

Foundations - The First 'Concrete' Step in Prepping Land For Construction

A building is only as good as its foundation, especially since you cannot build anything on land that is not strong enough to support a heavy structure. This is essentially the first real step you will take in converting raw land into buildable land, and this involves the following basic steps:

Assessing the strength of the soil

Some structures can be built with minimal foundation changes, while others might require you to dig up a few meters into the ground to provide a solid-enough foundation.

This is a task best left to a geotechnical engineer. Such engineers are trained to identify the properties of the soil, from its bulk density to its porosity, and they will be able to come up with a plan for you to work with the land your property is sitting on.

Just make sure, however, to listen carefully to the engineers. The last thing you want to do is spend a million dollars on a home only to see it collapse because of your stubbornness.

Breaking and digging up the land

The next step in the foundation-laying process is to break and dig up the land itself, which involves a lot of manual labor and power tools to get the job done.

Though the concept is simple enough, it is the execution of the digging that complicates matters. Soil composition, rocks, roots and even water can pose technical and practical problems in the construction process, requiring more time and specialized equipment to deal with.

This is especially true if you plan to build a heavy structure upon loose or rocky land. Such terrain might support a light building, but heavier structures need to have deeper foundations if they are to last for a long time to come.

Adding reinforced steel

This process is also known as rebarring, and will serve to hold the concrete in place while adding to the overall strength of the established foundation.

Concrete can handle a very large amount of vertical stress as it compresses down on the stuff. The problem with concrete, however, is that it does not fare too well if it is pulled in an outward direction. Reinforced steel is then shaped into square forms, welded unto vertical bars and then placed before the concrete is poured in.

This 'holds' the concrete together, allowing it to bear a heavy load without cracking due to the horizontal pressure exerted by 'squeezing' or other external forces. This is especially important for deep foundations, where a slight change in the direction of forces can tear down an entire building.

Pumping in the concrete

The last step in the process is the actual pouring of the concrete, which will then be left to dry and harden.

The tough, malleable properties of concrete make it an ideal choice for foundations, with the reinforced steel addressing the tensile weakness of concrete. Crushed rocks and stones can even be added to the concrete to give it even more tensile strength, making the mixture ideal for lighter structures like houses and cottages.

Keep all this in mind when you are looking at a piece of land, and you will be able to give a quick assessment of its ability to hold a structure in place.

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วันพฤหัสบดีที่ 9 กันยายน พ.ศ. 2553

How to Design Concrete Foundation For a Construction Project

Any structure, whether a home, office or a garage is only as safe as the foundation on which it rests! A strong and stable concrete foundation requires prior planning and detailed study of the specifics and design constraints.

Generally concrete foundations will be of either a shallow or deep design. A shallow design foundation is set approximately 3 feet into the soil. In spread footing design concrete pads extends below the frost line and transmit load from the walls to the earth. A deep foundation is normally more complicated and is used in cases when soil conditions are feeble (such as hilly areas, flood zone, etc). A deep foundation transfers load from the structure through a weak top soil layer down into a stronger layer.

Deep foundations can be made from reinforced or pre-tensioned concrete, steel or wood. A deep foundation invades the rock layer in some cases, so a foundation engineer is definitely needed!

Shallow foundations are generally used for residential homes, offices and garages. It requires good planning, compliance to local building codes and careful considerations. For example, if you have plans to add features in like radiant floor heating or filtered drainage system in future then these will need to be installed during construction of the foundation.

Also keep in mind that regional or county officials may visit your site throughout the process, so ensure that you adhere to the guidelines of local inspection codes, obtain written permissions and be ready with soil, engineering and seismic reports before you start the project.

A garage foundation is normally built up of concrete block or a poured concrete wall. First of all clear, rub and level construction site. Then dig channels below grade for your footings. Ensure to comply with local building code guidelines.

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วันอาทิตย์ที่ 20 มิถุนายน พ.ศ. 2553

Foundation Contractor - Concrete Or Wood Foundation

Like most people..you might think I'm crazy by mentioning a wood foundation as an option to concrete. Wood foundations started to really catch on in central Saskatchewan. This Province sees some of the most brutal changes in weather. I know..I grew up there.

Truthfully though..I only build concrete basements. But..why would I mention a wood as an option. Because they actually work. I know you all know this but let me explain. Most of the crucial work is done on the outside surface of the wood foundation. By that I mean..sealant, moisture repelling and thoughtful backfilling.

Wood used by a Foundation Contractor is pressure-infused with chemicals to resist infestation and decay, and the process is so effective that manufacturers are now recommending treated plywood and lumber as an alternate material for crawl space, basement, and stem wall grade beams. Not to mention that wood foundations are easier to insulate and finish on the interior of the basement.

Some theories suggest that a concrete footing isn't necessary, but you would have a hard time convincing this old dog that. I firmly believe that a proper concrete footings are the basis for a solid and long lasting foundation start.

The framing members are usually 2x8 treated material sheeted with 1/2 inch to 3/4 inch treated plywood. I would never use anything less than 3/4 treated ply and would probably use a 2x10 or 2x12 framing stud. This allows the contractor to install thicker and a higher R value insulation. This is where a wood foundation stands superior to a concrete one.

The wood will not crack over time thus eliminating any moisture leaks. More insulation provides for a warmer basement...this is a huge bonus in a cold environment. And finally my favorite...the finish work and installation of additional framing can be directly nailed to the foundation. Concrete on the other hand needs to be strapped, drilled or the use of a powder actuated device is need to nail framing directly to the concrete.

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วันพุธที่ 5 พฤษภาคม พ.ศ. 2553

CONCRETE TRAINING_ 07-19-09 PT1 OF 1

Caution Construction Work Taking Place keepthefaithfoundation.com



http://www.youtube.com/watch?v=nhHEBVBfYNY&hl=en

AutoCAD Scale

วันเสาร์ที่ 17 เมษายน พ.ศ. 2553

วันเสาร์ที่ 20 มีนาคม พ.ศ. 2553

Building a Concrete Driveway: DIY Tips for the Budget Conscious Homeowner

building a concrete driveway is one of those rare options that can satisfy most people's practical and aesthetic concerns. concrete driveways are not only built to last long but are appealing to the eye at the same time. Granted, they may take a bit of time to build properly, because none of your efforts will feel wasted once you view your final product.

What Not to Forget When building a concrete Driveway

building Codes in Your Area - It's possible, especially if you're living in the suburbs, or belong to a certain community, that driveway specifications may be subjected to certain community rules. Your village, for instance, may prefer for all houses to have similar looking driveways, regardless of the material used. Or, it's the choice of material that's subjected to certain restrictions. To avoid wasting time and money, do your homework and see if building a concrete driveway will result to any violation.

Put Your Plans in Paper - Before getting your still-unused carpentry and building tools and donning your DIY uniform, it's best to put your plans on paper and try sketching the dimensions of your proposed concrete driveway. Make sure that you scale your drawing properly to gain accurate results, and most especially if you've decided not to hire an expert to help you out.

If you don't know how to draw, please please please ask someone to do it for you. Don't be stubborn like other homeowners who insist on doing everything themselves, never mind the consequences.

Submit the Necessary Requirements - Once you've become satisfied with the projected appearance of your concrete driveway, make time to submit the necessary requirements in order for the housing committee in your area to grant approval for your concrete driveway plans. It's possible that they'll be concerned with how your neighbors would feel once the noise of construction reaches their ears; to avoid any future altercations with your neighbors, make sure that you politely and nicely inform them of your plans. Gaining written permission from them won't hurt either!

Going Shopping - With the legal stuff done, the next thing to do is what women love to do best: going shopping! If any woman in your household is a genuine shopaholic, she wouldn't mind accompanying you in your buying quest, even if it's just a trip to the local hardware store.

To save on time and money, make a list of the things you have to buy, compare product reviews, and see what brands are of superior quality but affordable at the same time. As for tools and other equipment, consider either buying them second hand, renting, or borrowing from your neighbors or friends.

Excavation and Base Preparation - The pre-construction stage is over, and it's now time to do backbreaking stuff. First in the list is excavation and base preparation. Like most structures, excavating and preparing a base is required to give your concrete driveway a solid foundation. It's best to take your time when doing this because one little mistake related to the foundation can cause the whole thing to collapse.

Building the Driveway - Once you've finished with the foundation, it's now time to build the skeletal part of the driveway itself. Always consult your handmade blueprint while building the driveway to ensure that you've done everything correctly and according to the measurements you've specified.

Sealing it with a Concrete Kiss - Once you're done with the frame, it's now time to apply the concrete and wait for it to harden.

Finishing Touches - Backfill and provide enhancements for the landscape.

Pros and Cons of Using a Concrete Driveway
Benefits - Concrete driveways can be decorated in various ways, making it more easy to use as a complement to the house itself. It is also easier to clean during winter. Concrete driveways can also be sealed right after installation.
Cons - Concrete driveways, however, are more expensive than asphalt driveways and require a higher degree of care and maintenance. Lastly, concrete driveways cannot be relayered.

Choosing to build a concrete driveway is a good decision to make in most cases, but of course, it's what the homeowner feels that counts the most. Just remember that when making a driveway, always choose a material that won't crack under the weight of a ten-wheeler truck but enhance the appearance of your house as well!

Roadworks งานวิศวกรรมโยธา General Civil Engineer

วันอังคารที่ 23 กุมภาพันธ์ พ.ศ. 2553

วันเสาร์ที่ 13 กุมภาพันธ์ พ.ศ. 2553

Concrete forms to build a house foundation

Construction of Basement foundation with Wall-Ties & Forms, Inc. aluminum concrete forming system. More concrete forming videos see www.wallties.com.



http://www.youtube.com/watch?v=qsRIYhtZ4KA&hl=en

General Civil Engineer การวางผัง Shallow Foundation

วันพฤหัสบดีที่ 11 กุมภาพันธ์ พ.ศ. 2553

Contracting Foundation - the foundation of concrete or wood

Like most people .. You might think I'm through, where a foundation of wood as an option for Crazy concrete. Wood Bases established in order to actually begin in the central part of Saskatchewan. This province offers some of the most brutal changes of time. I know .. I grew up there.

Sincerely .. if I only build concrete basements. .. But why should I cite a wood as an option. Because in reality the work. I know you know this, but let me explain. Most of the important work outsideSurface of the foundation of the wood. I mean .. Sealant, moisture-proof and thoughtfully filling.

Wood is a foundation contractor infusion pressure with chemicals to resist infection and decay, and the process is so effective that manufacturers are now recommending plywood and treated wood as alternative material for space scanning, basement, walls and stem cells grade beams. Not to mention that wood foundations are easy to isolate and on the inner surfaceBasement.

Some theories suggest that a concrete base, it is not necessary, but you'd have trouble convincing the old dog, dass am firmly convinced that a proper concrete foundation will begin the groundwork for a solid and durable.

The preparation of the members are usually 2x8 material covered the ceiling with 1 / 2 treated "to 3 / 4 inch plywood. I would never less than 3 / 4 treated and probably offer stallion 2x10 or 2x12 for a form. ThisContractor to install thicker and a high R-value of insulation. This is a wooden base is better than concrete.

The wood does not crack over time so that there is no loss of moisture. More insulation ensures a warmer basement ... This is a big bonus in a cold environment. And finally, my favorite ... The aim of the work and the installation of additional settings can be nailed directly to the foundation. Concrete on the other side shall be fastened, drilled orthe use of a powder actuated device must Nail Design directly on the concrete.

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