One of the innovations made by our company in mold manufacturing is the flooring mold system. The name of our new system is the Falling Beam System. The ideal usage area of this system is cork and hollow floor building constructions. This system is different from the falling head system used before. All parts, including telescopic props, are special in the drop head system. The system can only be used with steel moulds. Therefore, since it is not suitable for the conditions of Turkey, its usage area has remained narrow and has become almost unusable today. Our company, which saw the defect in the Falling Head system, again sought a system that required less mold investment and could work quickly, but was suitable for Turkey's conditions. The "Fall Beam System" developed by our company has three important features. First, it is the fastest system in building construction after the tunnel formwork system. In addition, it has many advantages over the tunnel formwork system. A crane is a must in tunnel formwork. Concrete pouring cannot be done when the crane fails or when you will replace the tower crane. However, in the falling beam system, the heaviest element of the system is 25 kg. is. Even when the initial investment excluding the crane is compared, the tunnel formwork system requires 3-4 times more payment than the drop beam system. The initial investment of the drop beam system is cheaper than the classical system or the drop head system or any other system. The reason for this is briefly below.

Drop head system; requires special telescopic props, special beams and special boards. It also doesn't fit every project. However, the falling beam system is intended to evaluate the assets of our contractors and is in accordance with the business understanding of the subcontractors.

In the falling beam system; standard telescopic props, standard sheet metal panels (50×100 cm) or plywood plates are used. Therefore, the additional investment is very small.

The feature of the Falling Beam System is that the main beam and falling beams, which are connected to each other with wedges, are manufactured from sheet metal instead of 10×10 cm wooden battens. As a result, the battens are useless. However, sheet metal beams always maintain their monetary value. In addition, it is sufficient to buy sheet metal beams for the construction as half of the amount of 10x10cm lath purchased for one formwork. Likewise, while it is necessary to use one telescopic pole per m2 in the classical system, 35% less poles are sufficient in the drop beam system.

INSTALLATION OF ÇELİKSAN FALLING BEAM SYSTEM

Adjusting the telescopic props on the ground to an approximate extent according to the floor height speeds up the work. Initially, it is recommended to use three legs (photographer's feet) so that the telescopic props can stand on their own. After the first two uprights are placed, the main beam is placed on it. Then a main beam is placed on two struts in the same way on the side. Drop beams are placed between the two main beams. In terms of the speed of the work, the beam heads and wedges, where the falling beams are placed, are attached to their ready places on the main beam while the main beams are down.

If a sheet metal panel is to be placed on the falling beams, the distance between the two falling beams should be 100 cm. enough to be. However, if plywood is to be placed, 50 cm. should be. It is recommended that the plywood thickness be 21 mm and 13 layers.

Thus, when the first two main beams are placed, the workers are on the floor as the formwork is placed on them. This facilitates the installation of new main beams and drop beams. Three workers work until noon to complete the mold of the 150 m2 area. Therefore, in the afternoon of the same day, blacksmiths can start laying their equipment.

In terms of establishment, no special parts are required around the column or on oblique shear walls. In such cases, 10×10 wooden battens are placed inside the beam heads where the falling beams are placed. Then, a piece of wood or plywood is nailed on it and the specially measured places are solved. Because sheet metal falling beams measure 10×10 cm. When the formwork is placed on the falling beams, they are aligned with the main beams. So that the molds do not fall out. In addition, crested falling beams are provided between them, ensuring that the molds are fixed both on the side of the main beam and between the combs.

Its dismantling is easier than its establishment. The wedges that tighten the beam heads on the main beams are removed with a hammer blow 48 hours after the concrete is poured. Thus, the falling beams remain idle and are taken down. When the falling beam is taken, the sheet panels or plywoods on it are also taken. Since the main beams and boards are in the same plane, the main beam continues to press on the concrete. Therefore, the molds can be removed early. For early dismantling, it is also recommended to pour the columns beforehand.

In order for the second formwork to be installed quickly, it is sufficient to take 50% spares from the main beams. These spare main beams are installed on the new floor. The beam heads and wedges, drop beams, panels removed from the previous concrete are moved to the new location and the system is re-installed. Since 2-3 days will pass during this process, the main beams in the previous concrete place are diluted and taken up. Thus, the mold of the new floor is completed.

The same applications continue in other concrete castings. With this amount of mold, concrete is poured every 7-8 days. All it takes to pour in less time is to just take a little more than the main beam and uprights.