concrete manufacturing processes | valmont utility

concrete manufacturing processes | valmont utility

Water, salt, coastal air, fog, mist, erosion, high winds, hot or corrosive soils, swampy environments and fire are just a few of the conditions that wreak havoc on most transmission polesbut not spun concrete. Learn more

The hybrid is ideal for those times when you need the exceptional height, strength and light weight of steel (in the air) with the quick installation and impermeability of concrete (in the ground). Learn more

Newmark transmission poles offer the versatility and light weight of steel, the low maintenance and durability of concrete (spun and static cast), or a hybrid that gives you the benefits of both. Learn more

Developed through a partnership between Valmont Utility and Valspar Protective coatings, TriFORCEhas set a new standard in below-grade protection. The key is combining a world- class duplex coating system with new innovations in advanced applications. Learn more

For nearly the same cost as wood, static cast concrete offers so much more. Static cast concrete poles are made from consistent and natural inert materials (water, sand and cement), which makes them highly resistant to sunlight, animals and insects, chemicals and airborne corrosive elements such as salt and moisture. Learn more

Water, salt, coastal air, fog, mist, erosion, high winds, hot or corrosive soils, swampy environments and fire are just a few of the conditions that wreak havoc on most transmission polesbut not spun concrete. Learn more

Newmark distribution poles offer the versatility and light weight of steel, the low maintenance and durability of concrete (spun and static cast), or a hybrid that gives you the benefits of both. Learn more

Water, salt, coastal air, fog, mist, erosion, high winds, hot or corrosive soils, swampy environments and fire are just a few of the conditions that wreak havoc on most transmission polesbut not spun concrete. Learn more

For nearly the same cost as wood, static cast concrete offers so much more. Static cast concrete poles are made from consistent and natural inert materials (water, sand and cement), which makes them highly resistant to sunlight, animals and insects, chemicals and airborne corrosive elements such as salt and moisture. Learn more

The hybrid is ideal for those times when you need the exceptional height, strength and light weight of steel (in the air) with the quick installation and impermeability of concrete (in the ground). Learn more

Valmont SM manufactures generator rotor houses for direct-drive based wind turbines. As one of the most critical parts of any wind turbine, Valmont SM has developed a unique expertise through close co-engineering relationships with our customers, and continually refining its manufacturing processes. Learn more

The hybrid is ideal for those times when you need the exceptional height, strength and light weight of steel (in the air) with the quick installation and impermeability of concrete (in the ground). Learn more

Developed through a partnership between Valmont Utility and Valspar Protective coatings, TriFORCEhas set a new standard in below-grade protection. The key is combining a world- class duplex coating system with new innovations in advanced applications. Learn more

With Controlled Environment Construction (CEC), we first build your substation inside our facilities to eliminate the potential complications, test it to ensure functionality and ship it to your site in a small number of subassemblies for easy construction. Learn more

Whether you need to replace an existing bus run, have an entire yard delivered, or need one built for a new substation, well design and build a bus that exceeds the quality youve come to expect from Valmont Utility. Learn more

From our vision of the future, to our latest product or solutions, we want to show you Valmont Utility in a way that youve not likely seen it before. Watch now. And, check back often as new videos are always being posted. Learn more

Our attention to design and manufacturing details, matched with the inherent benefits of concrete, are helping utilities around the world discover the undisputed value of our spun concrete poles. Learn more

Whether its an above ground option like hot-dip galvanizing or weathering steel, or TriFORCE, the industrys best below grade barrier protection, Valmont Utility offers corrosion protection for any environment.

concrete pile/pole machine and production line-haiyu industry in china

concrete pile/pole machine and production line-haiyu industry in china

The working principle of concrete pile spinning machine is transmitting the power of the motor to the driving wheels by the belt transmission, drive the rotation of the steel mould by the friction between the driving wheel and the running wheel of steel mould, so as to achieve the purpose of centrifugal shaping of concrete. Our spinning machine has advantages like firm structure, safe and energy-saving.

The concrete spun pile mould is piecewise mould with bolt connecting, sturdy construction, high tensile strength can achieve multi-use. It improved production quality and extended service life to be with integral lifting rings, safe and reliable, thickened running wheel.

Automatic concrete pile cage welding machine is an important equipment in the factory. Its appearance ended the history of the artificial welded steel cage, the concrete pile cage welding machine not only has high welding speed and good quality, but also saves a lot of labor while improving production efficiency, which greatly reduces the production cost of concrete pile.

Concrete pile pump feeding machine is composed of the pile pump, the metering flat trolley and the control part, it is the core part of the automatic pile production line, and the pile automatic pump system can receive the actual weight of the concrete in the steel mould in real time, so as to control the walking speed of the measuring flat trolley.

The chain conveying jacking translation system replaces overhead cranes in earlier concrete pile, centrifugal square pile production line and increase safety and productivity of concrete square spun pile and also replace lifting and transportation of overhead cranes, finish automatic degree of concrete spun pile plane transportation.

Automatic mold cleaning machine with simple structure, automatic operation, fast and convenient, safe and reliable. The equipment can clean the pile mould and spraying demoulding oil automatically. The mould clean device includes a fixed seat, fixed seat set in two level orbit, there no driven device which can be moved on orbit.

GQ2-14 full-automatic PC Wire fixed length cutting machine, cutter using pneumatic pressurized cylinder cutting, SCM control electromagnetic valve action, automatic completion of straightening, fixed-length cutting action, the whole machine structure simple, easy to operate, high precision, simple feeding method.

Steel cage welding machine is an auxiliary equipment for the production of concrete pole. It can automatically weld the steel cage of the prestressed and non-prestressed concrete pole; The concrete pole welding welding machine not only has high production efficiency, but also has many advantages Such as uniform welding strength and small pitch error.

Concrete pile chain conveyor can be operated by PLC system with other machines. With optoelectronic switch, approaching switch to react location of concrete pile and mold and send signal to PLC and act next movement sending mold to next process with recycling control.

The automatic clamp for steel mold adopts compressed air to push the cylinder. The closed self-locking performance of fixture is good, safe and reliable; Multi-purpose machine meets the requirements of automatic clamping and releasing of pile dies and steel cages for various processes in the pile production line.

Concrete pile tension machine uses the hydraulic pressure sensor to measure hydraulic system pressure, the displacement sensor measures the elongation value, it works according to the given parameters, and after finish each tension work, it can print the data like tension value, pressure value, elongation value and time as a basis for work.

There have many adjustable screw uniform distribution from the upper edge of the side plate on the solid square concrete pile mould, so that the lateral mold does not tilt outwards under the pressure of concrete, so it's can make the pile meet the strength requirements.

Hollow square concrete pile mold is formed by bending of steel plate, and the barrel body is arranged with longitudinal and annular plate, which has the characteristics of high strength, good rigidity and durability. The steel mold adopts the segments joint processing and the whole assembly, which has the advantages of convenient transportation, quick assembly and convenient maintenance.

The square concrete pile steel cage welding machine is easy to standardize, batch production, high production efficiency, less personnel requirement and low labor intensity of operation workers. The square pile cage welding machine can weld a variety of materials, the welding scope is wide, the quality of steel cage is stable, which provides a strong backing for the square pile production.

Our header machine is small, light, low power and gas consumption, without additional transformer. The header machine can be used for a variety of steel wire. It's only need to change another mold, the working speed is fast as 15s/pc.

Concrete pole spinning machine has good stability, simple structure and low failure rate. The control part adopts the operation of digital display touch screen to solve some quality problems base one nobody operation. It can produce various kinds of concrete pole with length of 7~15 meters and it has wide adaptability and avoids waste caused by repeated investment.

Concrete pole tension machine uses a frequency converter to adjust the speed of the hydraulic pump so that can more precisely control the tensile force of the tensioning machine. For example, when the tensile force reaches 90% of the set value, PLC will control the oil supply speed of the hydraulic pump, and the precision of the electric pole prestress can achieve a more ideal effect.

Concrete spun pole mould is a welded and lathe processed workpiece, Welding stress and lathe process precision are main factor to keep mould quality. Haiyu has introduced foreign advanced production equipments and technology then independent innovation.

Automatic concrete pipe cage welding machines for the production of high precision reinforcement cages for reinforced concrete pipes, driven and bored piles, poles, girders, pillars and columns as well as other structural elements.

The steel end plate for concrete piles adopts hot rolling and coil technology to make surface and thickness of end plate for concrete pile is even and smooth. After hot pressing and forging pressing, the compactness of end plate is effectively guaranteed.

Haiyu Industry is a very professional manufacturer of concrete pile machine located in China. Since the establishment of HAIYU. We are committed to the development, production and sales of automatic concrete pile/pole production line such as concrete pile machine, concrete pole machine, moulds, cage welding machine for concrete piles/poles, automatic mold cleaning machine, automatic tension machine, automatic pump feeding system, china machine. Our machine have been exported to more than 20 countries.... More

concrete production process

concrete production process

Concrete is the most used building material in the world. We use more concrete than wood, aluminum, steel and plastic put together. Its used in projects that range from dams to tunnels, from roadways to runways, driveways to patios, and increasingly in the home.

Although concrete is a popular building material, many people are unfamiliar with the production of concrete, as well as how concrete is delivered and poured. If youre considering using concrete for a construction project, knowing more about how concrete works can help you choose the right mixture for your project.

Were often asked how concrete compares to other building materials. Concrete offers many benefits: Its easy to have concrete delivered to building sites. Its also strong, fire resistant and durable. However, we think these five reasons are key to its popularity.

Unlike most other building materials, concrete needs very little maintenance. Its low-maintenance nature means its commonly used in dams, bridges and tunnels. Its also made it an increasingly sought-after choice for homeowners. Concrete wont rust like steel or attract mold like wood. When used for flooring, it also has lower maintenance needs than stone or porcelain.

For most people, the biggest benefit to using concrete is its versatility. Its easy to mold, stain, shape and paint. There are a variety of possible finishes and textures. This means concrete often looks like expensive, high-maintenance building materials. But unlike these materials, it doesnt have the high price tag or maintenance.

Compared to other building materials, concrete is a low-cost choice. Its significantly less expensive than materials like steel, aluminum or wood. Its usually produced locally, so there arent high transportation expenses. And its low-maintenance needs and long lifespan also contribute to its ongoing affordability.

Many people are surprised to find out that concrete is an environmentally friendly building material. Its almost always produced locally, which reduces greenhouse gas emissions due to transportation. Concrete production creates fewer CO2 emissions than other building materials do. Its long lifespan means it doesnt need to be replaced often, and it can be recycled to create new concrete when it does break down.

Compared to other building products, concrete has a high thermal mass. This means it helps maintain steady air temperatures inside. One study found that concrete walls reduced heating and cooling needs in a home by more than 17 percent.

In the past, concrete was made primarily for house foundations and garage floors. Today concrete is being used in a wider variety of places than ever. Because its resistant to wind, water and fire damage, its an ideal material for homes. The fact that its strong and economical also makes it useful for residential construction.

Two other traits contribute to its popularity in residential construction. First, its made primarily from local materials, and often uses recycled components. Second, concrete is low maintenance. Although concrete needs some care, its less demanding than wood, tile or brick.

Concrete floors can have a wide variety of finishes and textures. This means each floor can have a one-of-a-kind appearance. When we pour concrete for a floor, we often use a fine aggregate mix and incorporate color. During the finishing process, the concrete can be scored, stamped or textured. This helps to create a tiled or textured look.

Concrete is a critical material outside of residential homes, too. Its used in a wide variety of civil engineering, architecture and construction projects. The Hoover Dam and the Panama Canal were both made with concrete.

In industrial uses, concrete is an ideal material to use because of its durability. Fire and water resistance, plus a high tolerance for wind, make it ideal for a wide variety of building applications.

All concrete is made from a mixture of cement, aggregates and water. However, different types of concrete can have different percentages of water in it, or different types of aggregates. Read on to learn more about the primary ingredients and how concrete is manufactured.

Cement is the binding agent in concrete. Its a mixture of different elements, which include calcium, silicon, iron and aluminum. When water is added to it, a chemical reaction is activated. This causes the cement to harden, holding any aggregates in the mixture in place.

Portland cement is the most common type of cement. Its used in most concrete projects around the world. The name doesnt refer to a quarry or other source: Its used for any limestone-based concrete that hardens when water is added. Before the water is added, Portland cement is a dry powder.

The primary ingredient in this cement is crushed limestone. This is mixed with sand or shale, and small amounts of other elements, to achieve the right chemical composition. Possible other ingredients include iron ore, clay, slate or blast furnace slag. These materials are all heated at very high temperatures, which often near 1600 C, before use as cement.

Aggregates are coarse materials like gravel, sand or crushed brick that are added to the cement and water. The cement binds to them, holding them in place. Although aggregates are often thought of as a filler, theyre actually a key component of concrete. Between 60 and 80 percent of concrete is made of aggregates.

Its important that aggregates used in concrete are clean, hard and relatively impervious to moisture. Before we add aggregates to the concrete mix, we clean them to remove any dust, dirt or other organic impurities.

We also sort aggregates by size. Using aggregates of roughly the same size helps ensure that the concrete is stable. It also helps us control the finish and affects how easy it is to work with the concrete before it hardens.

Water makes up 14 to 18 percent of most concrete. It isnt added until the concrete is almost ready to pour. Thats because water activates a chemical process called hydration, which eventually results in dried, or set, concrete. The heat that drying concrete gives off is called heat of hydration, and its a sign that the curing process is taking place.

Determining the percentage of water to add to cement is a technical process. If too much water is added, the resulting concrete can be weak and susceptible to breakage. But if too little water is added, it will be difficult to shape and finish the concrete before it sets.

These additives are used to extend or reduce the curing time for concrete. Accelerating admixtures are sometimes used in cold weather to help concrete set faster. This allows concrete finishing to begin sooner. Retarding admixtures, on the other hand, are used to slow down the hardening process during warm weather. This can help keep concrete workable for longer periods of time, and it is important when theres a long finishing process.

Occasionally we use other additives for specific purposes. One of the most common is a corrosion inhibitor, which is used when the concrete could be exposed to corrosive agents. This is most commonly used on bridges and in parking garages, not in residential construction.

Setting, pouring and finishing concrete is a complex process. Since concrete is usually poured and shaped on site, the site needs to be carefully prepared ahead of time. Heres an example of what happens when we pour concrete such as a foundation or patio at a residential site.

The first step is to place a sub-base of gravel over the site. The gravel will help the concrete set properly. It will also help to prevent the concrete from cracking from soil expansion due to water or cold.

The next step is to construct a form for the concrete. This form will hold the concrete in place while it dries. Forms can be made from wood, metal or plastic. They range from simple squares just a few inches tall to complex shapes that are several meters high.

For residential construction like a slab, foundation or patio, a form is usually made from wood. 24 or 26 lumber is nailed together and removed once the concrete is dry. Because of the weight of concrete, most forms are braced to ensure the wood doesnt bend once the concrete is poured. Throughout the building process, we check to ensure that the forms are level and straight.

This is the first time youll be working with actual concrete. Sometimes it feels like preparing to pour concrete takes more time than the actual pouring. However, preparing the site and forms properly results in stronger, longer-lasting concrete.

Its important to find a local supplier because concrete needs to be poured soon after its mixed. In general, concrete should be poured within 1.5 hours of mixing, or within 300 revolutions of the drum whichever comes first.

If the concrete mixer can pull up directly to the job site, the concrete is usually poured directly from the truck. If not, wheelbarrows or pumps will be used to fill the forms. We pour the concrete until it reaches the very top of the form.

Once the concrete is poured, we begin the early finishing process. During this phase, we use darbies and screeds to flatten and level the concrete. Any holes or large marks are filled and smoothed out.

During the early finishing process, its important not to overwork the concrete. Finer aggregates like sand usually rise to the surface during the early finishing process, which can help to create a smooth surface. However, overworking can cause too much sand and cement to rise to the surface. This weakens the integrity of the concrete and can cause it to crack under heavy weight.

Then we wait for surface water, or bleed water, to disappear. This water escapes from the concrete early in the setting process. It will be reabsorbed before the concrete dries. However, finishing the surface before the bleed water dries will result in weaker concrete.

By the time the bleed water disappears, the concrete is usually moderately hard. The concrete can still be shaped with tools, but it will hold its shape by this point. Now its time to float and trowel the surface.

Floats and trowels are used to smooth and harden the surface of the concrete. This process can be done by hand, or by using a mechanical float or trowel. Both processes involve pushing or pulling a metal surface over the concrete, which increases the surface on the pressure.

We also edge the concrete during this phase. Edging is most common for outdoor concrete-like patios, driveways and sidewalks. During edging, we bevel or round the edges of the concrete to reduce the chance of cracking during cold weather.

Broom finishes are the most common type of finish. Indoor or decorative concrete may go through other finishing techniques to create the desired texture and pattern. Broom finishes are done by dragging a broom through the surface of the concrete. This creates a slip-resistant finish. This is particularly common for residential foundations, when contractors will need to work on top of the foundation to build the rest of the house.

The final step of pouring concrete is curing. This process begins as soon as the concrete is mixed, but can take several months to fully complete. The goal of curing is to maintain enough moisture for the hydration process to continue, which leads to stronger concrete.

Typical recommendations for curing concrete are to allow it to set for seven days for mixes that contain only Portland cement, and for 14 days if the concrete contains admixtures. The specific length of time concrete needs to cure is affected by the outdoor temperature, the concrete mixture and the specific strength of the concrete.

During the curing process, its important to keep concrete within a set temperature range. This helps to prevent cracks from forming in the concrete, which can reduce its strength. Sometimes the surface of the concrete is immersed in water, or ponded, or covered with insulating blankets to maintain the correct temperature.

We can also help you determine how much concrete you need and whether the concrete mix is right for your job. If youre taking on a new project, it can be a good idea to ask for advice on the concrete mix and any additives. Let us know what your goal is, and we can help you find the right concrete mix to make it happen.

You can also order concrete for delivery online. If you already know what mixture youd like, and when you want it, ordering concrete online is a great way to get it delivered fast. If this is your first time ordering concrete for delivery online, keep these tips in mind to ensure a successful project.

If you know already know what you need, you can order concrete online from Marstellar via our easy order form. And if you need assistance, we can help you find the right mixture for your project. If youre looking for concrete in the Harrisburg, Pennsylvania area, contact us for assistance.

utility structures inc. - usi utility distribution concrete poles

utility structures inc. - usi utility distribution concrete poles

Unlike conventional cast poles, prestressed spun concrete poles are centrifugally cast. This process involves spinning the poles at a very high rpm, which produces poles with the highest density and strength to weight ratio of any concrete available. As a result they are more durable, longer lasting and resistant to freeze/thaw cycles and chemical agents.

Utility Structures Inc. (USI) is a precast concrete manufacturer, specializing in concrete poles for; Outdoor Streetlighting, Sports Lighting and Utility/Hydro Distribution. We also have a comprehensive line of; Utility Underground products, Highway Barriers, Pole Bases and Storage Sheds. We carry a large spectrum of precast concrete manholes, related to the Hydro industry and Ministry of Transportation. We engineer every product, to meet exact performance standards. A combination of strength, durability, and versatility; we give you the power of confidence in selecting our precast concrete products.

precast concrete production process: the basics | rogue valley precast

precast concrete production process: the basics | rogue valley precast

The precast concrete production process can take many forms. Likewise, the precast concrete forms themselves can be produced in a variety of ways. However, there are some basics that precast concrete producers adhere to. Lets look at a few of them.

For thousands of years, humans have been perfecting the production of concrete. And for all that time, the number and variety of applications for precast concrete have continued to expand. Meanwhile, many concrete structures from ancient civilizations remain standing to this day.

How did they and how do we do it? With a complex process of physics and old-fashioned ingenuity and know-how married to more modern techniques, including the introduction of steel rebar as reinforcement mechanisms.

Rogue Valley Precasts plants and the production of precast concrete elements represent a level of quality control and quality production of fresh concrete that is well-regarded. Our prestressed concrete, produced in a controlled environment and shipped to construction sites throughout the region, set the industry standard.

Concrete remains the No. 1 building product in the world. Its continued relevance owes a great deal to the precast concrete production process and the product stability and durability that this process creates.

Depending on the project and the precast product itself, pouring concrete can be a complex procedure. Our engineers have already determined the matrix, the amount of reinforcement, and the final shape of the product. The batching (or mixing of raw material) process includes sampling to test the concrete for strength.

Once pieces are prepared and poured, the finished product is set aside to cure, based on strength specificities engineered and determined beforehand. Each piece of fresh and cured concrete now shaped into a form that permits a wide variety of precast concrete structures: retaining walls, culverts, catch basins leaves our production center ready to be installed.

Plus, precast components themselves are designed to be produced with quick turnarounds and swift manufacturing process times embedded in the production process itself. WIth preset forms, standardized mixtures, and consistent hardening time, the benefits of precast concrete construction are readily apparent.

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everything you wanted to know about wooden poles | timbeter

everything you wanted to know about wooden poles | timbeter

Since the first uses of telegraphs, wooden poles are an essential part of the urban landscape. With the increased demand for electric transmission lines and for the telegraphs themselves, it was necessary to use a treatable, durable and stable material.

In the United States, according to American Timber and Steel, a pole can cost between $ 400 and $ 3000, according to its size and pre-treatment of wood to ease installation and safety. In several Latin American countries, such as Brazil and Chile, the wood poles industry values the quality of the final product, always taking into account the origin of the wood used and the availability of a raw material for production in this case, eucalyptus. Commonly, the cut wood in the form of smaller poles is used predominantly in construction and decoration, with quite attractive values in countries like Portugal and Spain.

Currently, forest-rich countries use wooden poles in national territory and also export to countries with low forest rates due to the attractive cost and also to the commitment to the environment. In Finland, for example, treated poles are shipped around the world through containers and the Finnish treatment technology is also expanded to several countries.

With Timbeter, pole counting, quality control and logistics have never been easier. Simply take a picture of the stack and, with the help of a reference, the results are obtained automatically, aiming at the accuracy and quickness of the process. Instead of marking, counting and checking whether the poles match the initial count and quality standards, a simple photo saves you time and a lot more.

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