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Posts Tagged ‘Concrete’

More Concrete Construction History

Posted on: April 20th, 2018 by
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There is a saying that all roads lead to Rome, and fact is, 5300 miles of those roads were built from concrete. From 300 B.C. to 46 A.D, the Romans used pozzuolana cement from Pozzuoli, Italy to build the Appian Way along with famous Roman structures such as the Coliseum and Pantheon. In other parts of Europe like in southern France, there is the Pont du Gard aqueduct structure. It is the Roman structure the Hadrian’s Wall that is made completely using only concrete. The use of this artificial and ancient masonry is very much similar to modern concrete. The Roman concrete is formed by combining the pozzuolana (a volcanic earth) with lime, broken stones, bricks, and tuff.

Concrete Facts

Concrete is universally the most commonly used construction material for foundations, reinforced frames for buildings, bridge decks, retaining walls, roof tiles, in-situ and precast floors. However, although many countries have also adopted it for in-situ paving, this is not the case in the UK. Even when concrete is the more resilient and the most inexpensive form of paving a lot of contractors and architects make use of it the least. Nevertheless ever since it has been started in UK about twenty years ago the development it it has come from a complete nil to about 100, 000 square meters every year.

Scientifically a structural building gets constructed by a mix obroken stone or gravel with sand, cement, and water and allowing the mixture to harden into a solid mass. The cement is the chemically active element, or matrix; the sand and stone are the inert elements, or aggregate. Concrete is adaptable to widely varied structural needs, is available practically anywhere. It can be used by even a novice with little knowledge and is resistant to fire.

It is the use of concrete that is found to offer a life time of 100 years the best to avoid a reconstruction. It is made of only the easily available things such as cement and the composite mixture that is of sand, gravel and crushed stone. Concrete does not require any CO2 absorbing trees to be cut down. In comparison to the harvesting of lumber forests the land that is needed for getting the materials to make concrete is negligible.

Concrete Feats

The world record for the largest concrete pour in a single project is the Three Gorges Dam in Hubei Province, China. There has been use of 16 million cubic meters concrete over 17 years in the construction of the dam. The previous record was 3.About 2 million cubic meters are detained by the Itaipu hydropower station in Brazil.

As per evidence the biggest constant concrete that was put in water was finished on October 18, 2010 in New Orleans, Louisiana. The placement consisted of 10,224 cubic yards of concrete placed in a 58-hour period using two concrete pumps and two dedicated concrete batch plants.

Author is a home improvement expert and writes on varied topics related to home and concrete.

Choosing The Right Concrete Saw

Posted on: April 18th, 2018 by
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First of all, you need to find a store that sells such products, without asking absurd sums of money for any type of saw. Second, you need to make sure that you can find a concrete saw that fits to your needs perfectly. Given such matters, it kind of makes sense to search for such tools over the Internet as well, as there are lots of great online virtual stores that want to provide you with the right concrete saw. Once you find a store that is available over the Internet, you can take a look at the different brands of saws they have on stock, deciding on something while youre at home, in front of the computer.

The brand Husqvarna is known all over the world and there are a lot of people that purchase different types of tools belonging to this brand. If you are interested in purchasing a Husqvarna concrete saw, then you should know that there are various types available. On that list, we have to include the concrete air saw, the electric concrete saw and the gas cutoff saw. You can also find and purchase the hydraulic saw or the walk behind concrete saw, both of them belonging to Husqvarna as well. Keep in mind that, at the same online store, you can also purchase spare parts for your concrete saw, that is if you already have one and you want to repair or replace certain pieces.

We have talked about Husqvarna as being one of the best choices out there. However, it is not the only choice and you will certainly discover many more while youre browsing the web in search of the perfect concrete saw. For example, you can find and purchase a Soff Cut concrete saw, the type of tool that can certainly be regarded as a sound investment, especially by those who work in the contracting business. What can Soff Cut concrete saw offer? Well, we should start by saying that the random cracking is reduced and, at the same time, you will certainly be pleasantly impressed with the timing of the cuts. So, you see, the Soff Cut concrete saw can represent a wonderful choice as well, you just have to search and make sure you know the specifications of each, so you can decide. If you want, you can also take a look at the Partner concrete saw, which has plenty advantages to offer.

Apart from the concrete saw, you can also purchase liquid release agent, as the prices requested for this product are attractive as well. You can easily go online and discover more information on the subject of super liquid release agent, finding out for yourself what is the purpose of this product in the mixing process. Dont forget to choose something that is actually useful, after you read the details presented for both the concrete saw and the liquid release agent.

Concrete saw, husqvarna concrete saw, soff cut concrete saw, partner concrete saw

Concrete Mixers: Basic Information

Posted on: April 7th, 2018 by
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For all kinds of construction jobs a concrete mixer is needed. Also know as cement mixer, a concrete mixer is a devise where various materials like cement, sand, gravel and water are mixed to produce concrete which is used for paving, flooring, wall cladding and other construction work.

How does it works?

It consists of a revolving drum which is used to mix all the components. A cement mixer has a revolving drum, attached with a motor and all the mixing components are put inside the drum. When the motor starts, the materials spin inside the drum and get mixed together evenly. They remain soft for application and forming.

Types of Concrete Mixers

Concrete mixers without hopper

Concrete mixers with mechanical hopper

Concrete mixers with hydraulic hopper

Sizes of Concrete Mixers

There are different sizes of concrete mixers ranging from the portable machine or mini mixer to the large sized commercial mixing truck. A portable mixer is used for smaller volume works where the concrete is produced at the construction site itself. On the other hand, the big concrete making trucks are used for large scale construction.

Maintenance

Regular maintenance of concrete mixers is very essential for smooth functioning of the equipment. It is necessary to keep a constant check on the concrete mixer parts so that they are good working condition. They should be stored properly when not in use.

Buying Tips

First of all, check out why do you need the concrete mixer. For a job of small duration, you can get it for rent. For longer duration and regular usage, you can purchase one.

Next you have to know for what purpose you need the machine. For small construction or landscaping job, the best is to go for a portable cement mixer which can be electric powered or gas powered.

For large scale construction jobs like laying a driveway or paving a floor or other heavy construction work, go for a concrete mixer truck.

The price is an important factor to consider.

You can also opt for used concrete mixers if they are in good condition.

For wholesale purchase of a wide range of construction machines, check out Construction Machinery B2B Marketplace

A professional search engine marketer and writer with 6 years of industry experience. Presently working as a Senior Content Manager, developing and managing content for websites and portals, in one of the leading B2B marketplace and web solution provider company based in India. After thorough research on various products, market studies and industry overview, the websites are developed providing an online platform for manufacturers and suppliers of small and medium scale industries to come in contact with worldwide buyers. Specializes in website- content and SEO and market research to identify new areas of opportunity and product development in the online business.

Construct Your Own Concrete Driveway

Posted on: April 1st, 2018 by
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Anywhere you reside, numerous homeowners fancy concrete driveways in their homes. Concrete driveways are hard and long lasting, and if maintained well can endure up to thirty dependable years. If you want to install a concrete driveway but are troubled about concrete driveway cost, then the next best option is to save money on building concrete driveways. Concrete driveway costs can be minimized with the type of concrete finish you plan to use in your driveway. Just get down to it and construct the concrete driveway yourself. If not, put together part of the concrete driveway and commission a freelancer to finalize it. This will go far to save on concrete driveway cost.

How To Calculate the cost

If you’ve agreed on a DIY surface your driveway project, you will need a inventory of tools that you ought to have with you. There is no requirement to purchase. You can rent them out. If you need to rent a cement blender and backhoe, this will only increase your concrete driveway cost. In the beginning, you have the driveway measured. If your house is located on the rear of the street, consider the practicability of having a single lane driveway that goes from the street to your household, whilst leaving room for two cars to move through. In nearly all cases, a one lane driveway will cut down on the concrete driveway cost, instead of trying to construct a driveway with curves.

How to save on Concrete Driveway Cost

Seek sub-grade concrete material, but check they are clean. If you are able to acquire discarded rocks from demolition sites for the bottom, be sure that all debris is picked up first before you fill up the base with it. Seek resources in salvage yards for concrete driveways. You’re bound to come across these materials, which would decrease the concrete driveway costs. Place the least amount of concrete in the driveway. Most cities recommend at least 4 inches of concrete base. Driveways need inch deep expansion joints placed at approximately 15 meters apart. Do the initial part of making your concrete driveway and let a freelancer take over the latter half. If the hired freelancer adds the final touches and pouring concrete into the driveway, you will cut down on your concrete driveway cost considerably. This also applies if you commission a freelancer to do the initial part, while the acquisition of the subsequent part which consists of pouring concrete and adding together final touches to the driveway.

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The Essential Concrete Bucket

Posted on: March 30th, 2018 by
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Few individuals really know how the entire construction process is completed on a building or other large structure. Most construction projects today would be impossible to complete with the equipment available in the past. Nevertheless, construction companies have invested on their construction tools and equipment to allow them to carry out these kinds of large tasks without problems.

Anyone who does construction will tell you that cement mixing and pouring is a vital part of the construction process. For this reason the tools necessary for this task become of extreme importance. Concrete is among the strongest materials that can to be used for buildings so the need for equipment that can mix it and apply it are absolutely necessary to own.

The simple concrete bucket has come a long way but is the same amazing tool construction workers have been using for decades. This particular bucket allows the concrete to be put in and brought up to the higher sections of the building.

The concrete bucket of today should not be confused with any old bucket that you will get on the market. They’re specialized pieces of construction equipment that allow for lifting and pouring without shaking when dangling in air. This would be tricky with a regular bucket since it would have lots of movement and likely spill the concrete on to the floor.

The structure of this bucket is also unique and not circular; instead it could be described as a funnel inside a metal container. This helps the bucket to be secure when being lifted in the air.

Besides this, these kinds of buckets also provide lots of additional possibilities as well as accessories for far easier work and efficiency. By way of example, they may have a discharge hose pipe which will be helpful in spreading the concrete on the floor. This will be vital for completing the top floors of the building.

Plus, with all the demands in the construction industry, construction tools and equipment suppliers have come up with different versions and sizes for these buckets. This will give the construction company the best options when matching their demands.

Those were only a few of the many examples of attachments that work with concrete buckets to build much better buildings in the quickest way possible without having to sacrifice quality. While this is only a simple investment it will bring plenty of satisfaction and increased productivity for years to come.

There are a lot of tools used by construction professionals. For example, a concrete blanket and a concrete screed are only two of these. Indeed, people in construction have to be able to use many tools and be proficient.

Waterproof Concrete Steps That Work

Posted on: March 25th, 2018 by
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Ensuring a waterproof concrete is an important measure of protection you can afford your property. Leakage and seepage are effective in destroying your home property or office building. The leakage or seepage may be small, but over time, the leakage will grow and the damage it can cause your property may be serious.

But even if the seepage is just small, it can still cause damage. If the leak is in the wall, all things-furniture, appliances and décor-may be damaged with the water or fluid that leaks. The same thing can be said if the leakage is in the basement.

Your expenses may double if you will not act as soon as possible. The damage the leak can cause may grow, plus you have to spend money to repair or replace damaged belongings. Doing a concrete damp-proofing is amenable, although it may take a few steps to accomplish.

First of all, you have to stop the leaks. Find the source of the leak or its cause and fix it. It is easy to detect the leakage. The area is usually damp and moisture begins to seep through it. It is best if you fix the problem by using an outside service company.

There are three causes of seepage. The water pressure from the source or anywhere from outside may have built up, forcing water to seep through the pipes. It could also be that the house has already started to deteriorate. Or, the common cause is when the quality of materials used in constructing the house is substandard.

So, after you have ensured that there are no cracks or holes in the area you would like to make waterproof concrete, apply a waterproofing compound directly to the affected area or area you would like to be waterproof.

Depending on the size of the cracks, there are appropriate products to apply. If the crack is just a hairline, then applying a regular waterproofing mix will suffice. Nevertheless, cracks that are larger than 1/8 inch should be cleaned and patched first before you apply the waterproofing compound.

Special epoxy and latex cement formulas are good for small patching or mortaring jobs. But if the job is big, it is best to mix your own mortar for patching holes and cracks before waterproofing the area. The common mortar mixture for filling up the holes and cracks is one-part cement and two-part sand. The water should only be enough to create thick slurry.

A putty knife or typical trowel will help you fill the holes and cracks with the mortar mixture. If the leakage is caused by a pressure from the water system, you may need to use a chipping chisel and hammer to create a dovetail groove.

Some close the cracks and holes by using a weep pipe through the wall to allow water trapped against the wall to escape. Now, you are ready to work on your waterproof cement. Spray the area you would like to make waterproof with water to moisten it, before you apply the waterproofing mix.

 

 We specialize on basement waterproofing at http://www.aquaguardinjection.com/ . If you have a leak your basement, we can stop it and fix it. If you have a cracked cement floor, we can fix it. Just call us for an estimate. You will not get salesmen on the phone, only technicians that can solve your problem. Go now to Waterproof concrete.

Reducing Concrete Stamping Cost

Posted on: March 21st, 2018 by
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Concrete stamping has been known to be one of the best ways one can use to decorate their concrete structures. However, the concrete stamping cost can vary from one design to another. There are different designs and colors one can use for concrete stamping. They can range from a few hundred dollars to thousands of dollars.

There are very many factors that will contribute to the concrete stamping cost. Some of the factors are the ones that are listed below. Weather should be something that you should be keen on. This is because rain can ruin the concrete stamping process that you are undertaking. Be sure to have a rough idea of the weather for the days to come.

Cement should be used on a minimum of five sacks. Use of less cement will lead to poorly stamped concrete. The job may then have to be redone to improve its outlook. The redoing will mean greater expenses than normal.

When using liquid color to design concrete stamping that you want, us the normal finishing procedures. This will reduce the overall concrete stamping cost. If you will happen to use hardener, use a tamper or screed to finish of normally. If you do not have such tools, you can implement the use of a magnesium float to help you finish. Use of a steel trowel should be implemented such that it can be finished perfectly. Unfortunately some people have been known to use the steel trowel before they apply the final color hardener. This is not advisable as it might lead you to repeat the whole concrete stamping process. Make sure that when you are applying hardener that there will be no possibility of water on the surface that you are using. Generally, 100 lbs. per 100 square feet for lighter colors would be required for coverage.

When you are floating or toweling, do not over do it. Over floating or toweling will make water to rise to the surface. When this happens you will find that once the water has risen to the surface, it reduces color density. At the same time remember not to fog or sprinkle water on the surface. Color hardeners that are bought will have lumps due to the settlement that occurs on the hardener when it is being shipped. To get rid of these clumps, fluff the hardener by using your hands. This is the same case with the release agents as they also settle. If these procedures are followed keenly, you should be able to reduce the overall concrete stamping cost.

If you are not going to do the job yourself, make sure that you hire professionals who have experience in this line of work. They will be able to tell you where to buy the necessary materials at competitive market prices. They will also be able to guide you on what amount of items such as hardeners or paints so that you do not purchase materials that will not be needed. You will find that the concrete stamping cost can be able to be reduced significantly with proper planning and use of the above mentioned steps.

Ken Hermanto is the publisher of Concrete Stamping website. This website offers knowledge on DIY Concrete Stamping.

How to Erect a Concrete Column

Posted on: March 19th, 2018 by
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Concrete columns are used for carrying loads of a building. They transfer the same to a suitable soil bearing capacity. They carry loads horizontally, vertically and laterally. They can be erected as free standing, used for hanging gates. Alternatively they can be incorporated within the walls of a building structure. Concrete columns are made from steel and concrete cast in a form work. These are done in circular, rectangular or square shapes.

In erecting concrete columns the load to be carried is considered. This determines the size of column and type of reinforcement to use. The process of erection commences by setting up a base. A pit is first excavated to a suitable soil bearing capacity in depth. Blinding to the pit is done to protect the soil touching the steel reinforcements. When the base is cast, steel is exposed. This reinforcement is used as starter bars for the column.

Form work of the required column size is formed first aside. The already tied steel is joined together with the starter bars. This ensures the column starts from the ground upwards. The steel should be free from oils and rust. Use binding wire to tie together all steel. Its important to cast concrete in lifts. This should not exceed two thousand five hundred millimeters in height. When the steel work is complete, then form work assembly starts.

The form work for erecting a column is fixed by opening the sides. Its then slid to have the steel inside the box. Once the box is upright, the form work is then fastened and supported on all sides. Concrete is then poured and vibrated until it reaches the top of the box. It is left for seven days. Curing is done from the top. After seven days the form work is then removed to expose the cast column. This is continuously cured for another Seven days.

Andrew Karundu Is A Building Economist Providing Home Based Solutions To Fixing, Repairing, Remodeling, Redesigning Your Homes Using Simple Tried And Tested Methods To Improve Your Lifestyles. This Site Should Provide Adequate Information On Most HOME IMPROVEMENT SOLUTIONS.

Pervious, The “Greener” Concrete

Posted on: March 10th, 2018 by
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As fuel prices rise and the debate over global warming heats up, we watch our communities become more and more environmentally conscious. Whether its energy efficient appliances or bamboo flooring, everyone, builders and consumers alike are looking for ways to build and buy green. While helping to lead this movement, concrete has been at the forefront of sustainable development. Concrete being recyclable, produced locally and having a high reflectivity demonstrates a few of the ways using concrete helps buildings obtains points on the (LEED) system, a green building rating system put out by the U.S. Green Building Council. Now by tackling storm water management, concrete has found a way to be even greener. Pervious concrete is quickly becoming the next testimonial to the environmental advantages that concrete can offer.

Picture this, a 20 home development with 32,000 square feet of paved surfaces including driveways, sidewalks and streets, all of which is done with a material that generates zero runoff! This is a reality in Sultan Washington, where an entire development was done in pervious concrete, allowing the rainwater to pass thru the pavement and recharge the natural ground water table instead of draining into a municipal system. The concrete that made this possible is porous, made like traditional concrete but little or no sand or fine aggregate, leaving a void percentage between 15 and 35 percent to allow for the movement of water through the pavement.

This along with proper placement techniques gives you a pavement that water can infiltrate at a rate of 3 to 8 gallons per square foot per minute. While being slightly less edible that a Rice Crispy Treat it has a similar appearance and structure. The cement paste like the marshmallow, acts as a glue holding the aggregate or Rice Crispies together, while still leaving space for water to pass thru to the base layer of stone aggregate, before reentering the earth. This system has been used in freeze thaw environments since 1985 and is beginning to pick up steam here in Michigan, with just under a dozen projects on the ground and approximately 20 more being planned for next year.

With all of the environmental advantages of traditional concrete, pervious concrete is even friendlier to our ecosystem. In pavement applications concrete offers a reflective surface that prevents the increase of the ambient air temperature, consequently preventing the heat island effect and helping to lower cooling bills in the summer. This same reflectivity makes it easier to light concrete streets in comparison to those paved with a darker materials, allowing you to save on energy cost. Pervious concrete not only gives these benefits but adds several others, like the mediation of first flush pollutants and allowing you to pave up to the root line of adjacent trees and shrubs.

The first halve inch to inch of rain carries away many pollutants from the surface of pavement oil, break dust, coolant and other pollutants typically make their way into a storm sewer and eventually end up in a local water source. Occurring within the pconcrete and stone base that sits underneath are microbes that eliminate 80% to 90% of these first flush pollutants prier to returning the water to the water table. Also with water passing thru the pervious, you no longer have to worry about plant and tree roots not getting enough water or nutrients because of adjacent pavement. So with pervious concrete you get all of the sustainable advantages of traditional concrete and even more environmental perks.

Pervious concrete is giving Michigan one more option in our journey toward sustainable development and helping us to build green.

http://www.miconcrete.org

If you have any question or require more information about pervious concrete please contact the Michigan Concrete Association at (517)-393-1711. Whether you’re looking for energy savings from an ICF (Insolated Concrete Form) home, placing a decorative concrete patio, installing concrete counter tops or reducing water pollution with porous pavement, concrete has a green solution for you.

Concrete Crusher Outline

Posted on: February 25th, 2018 by
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Cone crusher is suitable to crush various kinds of ores and rocks of medium or above medium hardness,and cone crusher is of stable structure, high efficiency, easy adjustment, and use economically, etc. The spring safety system of crusher acts as an overloading protection system that allows metals to pass through the crushing chamber so as not to damage the cone crusher.The safety system uses dry oil and water as two kinds of sealed formation to make plaster powder and engine oil separated to make surereliable performance. The type of crushing chamber depends upon the size of feeding and fineness of the crushed product. The standard type(PYB) is applied to medium crushing, the medium type is applied to medium or fine crushing and the short head type is applied to fine crushing.

Working Principle of Cone Crusher

Cone crusher crushes materials by the working surface between the movable cone and fixed cone. The movable cone of the cone crusher is supported by spherical bearing and fixed on an hanging erect shaft which is set in the eccentric sleeve, and the sleeve is set on the stopping and pushing bearing. The movable cone and erect shaft are drived by the eccentric shaft sleeve together. The eccentric shaft sleeve is driven by horizontal shaft and fimbriated gear, and the wheel of the conveyor belt is drived by motor through v-belts.The lower part of vertical shaft is installed in the eccentric sleeve. When the eccentric sleeve of cone crusher rotates, there is a conical surface lined out by the shaft. When the movable cone comes near the fixed cone, rocks are grinded into pieces, when the cone leaves, grinded materials is discharged from the diacharge hole. The fixed cone can be ascended or descended by adjusting setting to adjust the width of discharge hole, consequantly the output size is determined.

Concrete Crusher Outline

Concrete crusher is an industrial stone or rock crusher applied for crushing concrete and related engineering and construction stone materials. According to concrete crusher application, concrete crusher can divide into cement concrete crusher, asphalt concrete crusher and other related concrete crusher. Shenbang can provide you jaw concrete crusher, impact concrete crusher, cone concrete crusher and a new efficiency aggregate crusher-mobile crusher.
Mobile crusher for concrete or asphalt has many advantages compared with traditional concrete crushers such as excellent flexibility, fast set-up, versatile adaptation and collocation and so on. Mobile concrete crusher is the most widely used concrete crusher in concrete crushing and concrete construction industry.

Concrete crusher is an industrial stone or rock crusher applied for crushing concrete and related engineering and construction stone materials.