Construction of floor beam formwork is an indispensable step to make concrete pouring molds during construction. From the design stage to the handshake and working stages, there needs to be a close connection, ensuring the correct technical requirements are set out to bring about the effectiveness of the project quality.
Construction of floor beam formwork requires meticulous detail, professional knowledge from workers to ensure certainty, durability, and avoid safety risks. A formwork is successfully constructed when the rock meets the technical requirements and has good bearing capacity.
Construction of floor beam formwork requires high technical requirements and certain standards
+ Must ensure that the beam floor formwork system has the correct shape and size according to current standards, and the boards are not bent or warped. Floor beams with larger apertures are designed with construction curvature with the value of curvature calculated by the formula: f = 3 L/1000
In there:
L: aperture in meters
+ Concrete casting molds need to have formwork boards to ensure rigidity, stability, and ease of installation and dismantling.
+ Installing formwork for floor beams to ensure the most tight fitting of details, forming an adjacent block. Install floor beam formwork before installing reinforcement to ensure compliance with set standards
+ The weight is large, so when designing and constructing floor beam formwork, it is necessary to calculate the distance between the mold wall and the appropriate reinforcement to increase the bearing capacity.
Scaffolding erection
Installation of floor formwork is done first and ensures rigidity, stability, ease of disassembly, facilitating placement of reinforcement and concrete pouring.
+ Use steel formwork placed on steel A-frame and purlin system, make the most of the area of shaped steel formwork, use wooden formwork for the remaining area.
+ Around the perimeter of the floor is often arranged frill to separate the floor formwork and beam formwork.
+ Use steel formwork placed on steel A-frame scaffolding system and purlin system, make the most of the area of shaped steel formwork, use wooden formwork for the remaining area.
+ Around the perimeter of the floor with frills, the frills are linked with the leeches to the beam formwork and support the beam formwork.
Quality assurance, durability and safety in use. Select iron carefully to ensure the size, small, thick and thin to best suit the project. Install to ensure the correct distance as shown in the design drawing and check the placement position, the hooks are firmly connected after being put on the mold, not completely clean or dirty before pouring, good adhesion than. Check everything from the scaffolding to the formwork of the electrical wires, iron and steel to see if there are any problems that need to be fixed, whether the connection points are bent or overlapped...
Check the equipment and tools before construction to make sure the use is still guaranteed. Carry out maintenance and check the quality of tools and equipment after they are done so that they can be performed again for the next time to save costs.
+ Retain all spears and poles in the floor slab adjacent to the floor slab that is about to be poured
+ Dismantle each part of the formwork poles of the lower floor slab and keep the culverts at a distance of 3m below the beams with a connection greater than 4m.
+ For scaffolding formwork bearing the load-bearing beam of the structure, if there are no special instructions of the design, it will be dismantled when the concrete reaches the strength of 50% 7 days with beams, arches with apertures. strong enough bearing capacity
+ In case it is necessary to remove the formwork earlier, use the anti-lifting measure of the concrete block with sticks to keep the concrete shape.
