Today in the construction industry it is already difficult to come up with something new. This applies to all stages of construction, including the manufacture of formwork. Like 20-40 years ago, screws and nuts are used to tighten the shields. This ensures a strong connection, but has unpleasant consequences: after the formwork is removed, unsightly holes remain on the concrete product. Moreover, their presence violates not only the aesthetics of the products, but also their strength. These shortcomings can be eliminated if you use a spring clip for formwork. What kind of device is this?
Features and Benefits
Clamping devices are indispensable for those objects where concrete monolithic structures are created. The larger they are, the greater the number of clamping elements, respectively, will be needed to hold the formwork in position. Will it be expensive and why should I use only a spring clip? The advantages of this element are quite tangible and are as follows:
- No need to use cones and tubes when installing PVC, which is already economical.
- Fast installation - it takes a few seconds to fix.
- Low cost - the price of clamps is half that of nuts with bolts previously used for formwork.
- Versatility - can be used when installing any formwork at any facility.
- To use the spring clip, you need a key (included) and a reinforcing bar, which is on any construction site.
Specifications
One of the most important properties of clamping elements is the ability to withstand tremendous loads. For this, different types of clamps are produced - ordinary (up to 2 tons) and reinforced (more than 2 tons). But this is not the limit, today reinforced types of clamping elements are produced that can withstand a load of up to 3 tons. But, despite such high rates, the spring clip has a very simple design. The form of the device is a clip-type lock. The element has a lockable tab and is placed on the platform.
For the manufacture of heavy-duty reeds, only hardened metal is used in the production. Due to this, the teeth are especially durable and can withstand any load. So that corrosion does not appear on the surface of the element, it is treated with a galvanized compound. The thickness of the platform is 0.4 cm. It is equipped with a very tight and very strong spring.
Device use
The installation process is as follows:
- Reinforcing rod is the fastening of parallel shields.
- The ends of the rod are cashing in on the castle.
- Using a key, the fastener is fixed.
- The opposite locking connection is self-locking.
As a result of all the manipulations, a very strong formwork for monolithic construction is obtained, when removing which there are no problems - you just need to lightly hit the tongue with a hammer. This operation removes the lock tension and can be easily removed by hand.
To complete the installation process, it is necessary to cut off the excess protruding parts of the reinforcement, while the rest of it remains inside the concrete structure, so that its integrity is not violated. Thus, this technology is very simple, but very effective.
What is important, this type of fastener can be used not only in the manufacture of formwork. Spring clamps are indispensable for the construction of objects of varying complexity, where the formwork for monolithic construction must have special strength. It:
- Walls.
- Tunnel mines.
- Bridge structures.
- Columns and many other designs.
Most popular products
Today, spring builders produce and use not only Russian builders, but also foreign ones. In the Russian market you can see products of the following brands:
- PROM. The Turkish product is designed for loads of about 3 tons.
- Hold Turkish brand products are designed for loads of no more than 2 tons.
- ALDEM. The castle made in Turkey withstands loads of over 2 tons.
- "Chiroz" (the frog). Russian products are designed for loads of about 2 tons.
But before releasing this type of product on sale, all manufacturers subject it to various tests. Only after that protocols and certificates are issued, without which the products cannot be sold. Thus, the spring clip of any brand has guaranteed high quality and is approved by highly qualified specialists, therefore it can be used on any construction site.