How to properly tie reinforcement for a strip foundation: metal, composite, fiberglass

Any construction project must start with the construction of a sturdy and long-lasting strip foundation. Tying the reinforcement correctly is one of the most important steps in this process. Ensuring the structural integrity and longevity of your foundation is a principle that doesn’t change whether you use fiberglass, composite, or metal reinforcement. Reinforcement that is correctly tied helps distribute loads uniformly and keeps it from shifting and cracking over time.

The most prevalent kind of metal reinforcement used in strip foundations is steel rebar. Steel rebar is renowned for its sturdiness and excellent concrete adhesion. Using the proper tools and techniques is essential when tying metal reinforcement to ensure that the rebar is securely fastened. Getting the bars to overlap properly and be evenly spaced are essential to building a solid foundation.

Because composite reinforcement is lightweight and resistant to corrosion, it is becoming more and more popular. It is made from a mixture of materials, such as carbon fiber or basalt. Tying composite reinforcement works on similar principles as traditional steel rebar, even though it may not be as well-known. The primary distinction is that while the material can be more brittle than steel, care must be taken when handling it to prevent structural damage.

Another option is fiberglass reinforcement, which is highly regarded for its ease of handling and non-corrosive qualities. The tying procedure for fiberglass rebar calls for the use of plastic or specialty ties that won’t react with the material. The strength of the foundation is dependent upon correct alignment and tight fastening, just like with other forms of reinforcement.

Whatever kind of reinforcement you decide on, the objective is to make the concrete into a strong and cohesive network. It is important to take the time to tie the reinforcement correctly because it improves the performance of your strip foundation and adds to the overall stability and safety of the structure that is built upon it. Your foundation will endure over time if you pay close attention to detail and adhere to best practices.

Features of a strip foundation

It is more typical to have a strip foundation than a monolithic one. It can be made by hand and is useful for construction with a variety of materials. Also, money is merely saved during the construction process. But there’s a downside as well. It is only appropriate to produce a strip foundation on stony, dry soils. The device will not be economical to use at a deeper depth in soggy, unstable soil.

A reinforced concrete slab with any chosen size is called a strip foundation. The pressure that the future house will put on it will determine the dimensions. The foundation’s preparation is crucial during construction. Furthermore, it is imperative to adhere to the reinforcement tying scheme to the letter.

Further compaction is done for the necessary strength of the foundation to prevent foundation subsidence, early destruction, and potentially the house itself. Internal load-bearing lintels are added to the strip foundation if needed.

Several factors determine the depth at which the strip foundation is installed. The base of the foundation is erected below freezing if the upper soil layers are unstable. It can be paired with piles as well. It is not necessary to submerge the strip foundation below if the base has been sufficiently compacted.

Types of reinforcement for tying

You must choose the most appropriate reinforcement before you begin work. How should reinforcement for a strip foundation be tied? Any pneumatic instrument or hook can be used to tie the reinforcement of the strip foundation. What if they’re not in the area? Make use of a useful tool. The benefit of a strip foundation is this. Plierces can even be used to tie the reinforcement.

Because ribbed reinforcement is smoother for bonding in cross-sections and has superior adherence to cement concrete, it is utilized in the main sections. The price will be slightly lower than corrugated.

Tying metal reinforcement

For tying, there are specific guidelines. It is essential to select reinforcement that complies with GOST specifications. A material that complies with GOST-5781-82 is frequently used during construction. Six strength classes are present.

If needed, it can be bent, and a welding machine can be used to weld it. Low-carbon steel is utilized in the production of the first class, and as the class is changed, the concentration of alloying additives rises, increasing the mechanical strength as a result.

Tying composite reinforcement

Fiberglass, carbon fiber, and basalt fiber are used to make it. It is composed of glass, aramid fibers, carbon, and basalt. Fiberglass is the most widely used. It is not machine-welded, lighter, less expensive, and resistant to bending and rust. Composite reinforcement has to be tied together if welding is not an option. This type has the benefit of having a low heat conductivity.

Binding of fiberglass reinforcement

The allowed distributed weight distinguishes bound plastic reinforcement from metal reinforcement. Because fiberglass reinforcement perceives a different specific weight than metal reinforcement, it is important to compute the possible loads when selecting fiberglass reinforcement as a reinforcing material. The actual binding procedure doesn’t change. The same instruments and related supplies are utilized.

The scheme by which reinforcement is distributed in a strip foundation

The load is distributed by the reinforcing material found in cement concrete. Thus, the longevity of the structure will be directly impacted by the binding’s quality.

• Preference is given to reinforcement with a diameter of at least 1 centimeter;
• A minimum distance from the frame to the inner edges of the formwork must be maintained, usually 30-50 millimeters;
• Between the rods no more than 40 centimeters;
• Elements that go along and across are made of smooth rods of 6-8 millimeters;
• Between clamps 10-50 centimeters;
• Compliance with the number of tiers according to SNiP.

Calculation of wire for the frame

How should a strip foundation’s reinforcement be tied? It is imperative to verify that the attributes align with GOST 3282-74. It undergoes heat treatment to turn it into a plastic without sacrificing its strength. There is a maximum error of 0.02 millimeters in this section.

Types of wire separation

By means of processing technique:

• Annealed;
• Untreated.

By load resistance:

By the existence of security:

• Protected;
• Unprotected.

Tying reinforcement is an essential step in ensuring the strength and longevity of a strip foundation. Whether you’re working with fiberglass, composite, or metal, using the right methods is crucial to building a solid foundation. This guide will take you step-by-step through the process, helping you choose the appropriate reinforcement type and tying techniques so your foundation is ready for all the loads and stresses it will encounter. These procedures will provide you with a well-reinforced strip foundation that satisfies safety requirements and efficiently supports your building.

Tools for tying reinforcement

In order to properly tie reinforcement for a strip foundation, the nodes need to be securely fastened with wire. If this isn’t done, the knots might eventually come loose when the cement-concrete mixture vibrates. Consequently, there will be higher loads and early failure.

The reinforcement for a strip foundation is knit:

• Hands – crochet;
• Inertia hook;
• With a pistol.

Tying hook

The answer to the question of how to knit reinforcement onto a strip foundation correctly is that you must first select a good tool.

The shape of crochet hooks varies. The selection of a tool is entirely personal. Purchase it using your preferred binding method. The incorrect tool will cause your hands to become very tired and run the risk of developing calluses.

Due to their small size, they can be tied up in both regular and difficult-to-reach locations. Examine a hook closely and give it a try as soon as you purchase it.

Homemade crochet hook

Just as production models, homemade hooks are also made using a template. They use reinforcement in their production, which is bent in a vice and sharpened on one side. Melted plastic is used to make the handle, which is then screwed on. The handle can also be made of a polymer tube.

The reinforcement is securely knitted with them in a schematic manner, always keeping the distance between the knots in mind. Which means that homemade hooks are excellent for knitting as well.

A screwdriver with a hook

In addition to expediting the task, using a screwdriver or other semi-automatic tool can also help relieve hand strain. Applying extra effort when tying a strip foundation’s reinforcement by hand can have a big impact on your productivity when handling heavy workloads.

The leg is where the hook is situated. When the work is being done, the leg turns and twists the ends of the wire while the hook grasps the wire and pulls it upward with force. The process is carried out until the knot reaches the desired level of tightness.

Knitting gun

For the best fastening possible, this is the ideal tool. However, the cost is high. Professional builders use it because they can’t afford to waste time. The wire is wound around a changeable coil that is part of the device. The device is charged by these coils.

The purported "autonomy" of this tool is a significant benefit. It’s even more convenient because you don’t have to connect to the network in order to use it. Apart from its exorbitant price, there is one other noteworthy disadvantage. One does not use a knitting gun in spaces that are too small.

Tying with nippers

An additional method of knitting reinforcement with your hands for a strip foundation. Used when it’s necessary to tie multiple wire knots because using pliers for extended periods of time will tire your hands out. Using a different tool is far more preferable for large volumes of work.

Rules for fastening rods

This plan allows you to tie the reinforcement:

• The wire is tied in half.
• A hook is inserted through the loop.
• From the back side, the end is wrapped around the intersection and also placed in the hook.
• The wire is twisted.

• The rods are pulled up, twisted, the ends are bitten off with nippers;
• The wire is twisted in several turns with its strong tension;
• The rods and clamps are tied.

Using paper clips, staples, clamps

Use the materials listed above if you need to tie the knot faster. These ties are made by hand, without the use of a tool. Plastic clamps that self-tighten can be used to tie small-diameter rods. universal gadgets fit for any kind of cross-section. They don’t smear, are hand-installable, and lightweight. Remember that they are weak and susceptible to damage in cold weather.

• Increases productivity;
• Increases the density of connected nodes;
• Easy to use.

Type of Reinforcement	Advantages and Tips
Metal	Strong and durable, easy to weld, and widely available. Ensure proper overlap and secure with wire ties.
Composite	Lightweight, corrosion-resistant, and non-magnetic. Use plastic ties for securing and avoid sharp bends.
Fiberglass	Non-corrosive, lightweight, and easy to handle. Requires careful handling to avoid breakage, use plastic or nylon ties.

For any construction project to be strong and last a long time, reinforcement for a strip foundation must be tied correctly. Whether your reinforcement is made of metal, composite, or fiberglass, adhering to best practices will guarantee that your foundation is strong enough to withstand the loads and stresses it will experience over time.

The most popular option for metal reinforcement is steel rebar because of its strength and longevity. It’s crucial to ensure that the bars are uniformly spaced and correctly positioned within the formwork by tying them securely with wire ties or other suitable techniques. Properly aligning and fastening the bars facilitates the uniform distribution of weights throughout the foundation.

Traditional steel reinforcement can be replaced with lighter alternatives like basalt fiber bars or carbon fiber reinforcement. These materials can be handled more easily and resist corrosion. The methods for tying these bars can differ slightly from those for metal rebar, so pay close attention to the manufacturer’s instructions when tying these bars. For the intended structural integrity to be achieved, making sure that alignment and spacing are correct is equally important.

Another choice is fiberglass reinforcement, which is renowned for its non-conductive qualities and resistance to corrosion. To prevent any possible reactions, it is advised to use plastic or composite ties when tying fiberglass rebar. To achieve a strong foundation, it is important to maintain proper positioning and spacing within the formwork, just like with other materials.

The success of your building project will be greatly enhanced by adhering to the advised procedures for tying reinforcement, regardless of the material you select. Your strip foundation will endure the test of time if all the ties are tight and the reinforcement is positioned correctly, giving your structure a sturdy and dependable foundation.

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