Small-panel formwork

Advantages and disadvantages

Due to its small size, the Korean small-panel formwork can be used in high-rise construction or in the construction of private facilities, whose height is no more than 6 m. This is due to the ability to manually install such a system without resorting to the use of special equipment. Other advantages of such formwork are:

• The ability to use shields of various sizes;
• The versatility of the components used, as well as fasteners;
• Ease of connecting elements into a single system;
• The ability to combine elements of different sizes;
• High strength of panel board products;
• Long period of service;
• Saving money, as well as time due to the low weight and the uselessness of attracting special equipment;
• Ease of implementation in various projects.

At the same time, despite the presence of positive aspects, the use of such structures also has its negative aspects:

Installation requires the involvement of a large number of people who will manually install and fix the shields;

The appearance of the created surface is an order of magnitude inferior to those options that are created using other types of formwork.

Constructive designs

Block panel formwork for a column

In shape, the shield is flat, angular, ornamental. The design profile is assembled with unified standard blanks or supplemented with specially made fragments. Detailing provides for the use in the construction of horizontal floors, vertical walls, inclined passages, arches.

There are such types of formwork:

• Non-removable;
• Horizontally movable;
• Sliding;
• Collapsible and adjustable;
• Lifting-adjustable;
• Blocky.

Sliding occurs without disassembling the form due to the effort of the jacks. Compliance with the vertical axis, the horizon, is provided by additional alignment systems. A continuous monolith is obtained from the limited space of the forming structure.

Installation steps

Having prepared the panels, it is allowed to install the formwork structure. If it is necessary to pour the foundation base of the tape type, the shields are exposed on both sides of the trench, fixed with spacers inside and additionally reinforced with retaining elements from the outside.

For the construction of a wide base, the structure is supplemented with slopes, which abut against the ground at one end, and support the base at the other. After that, panels are erected, installed vertically and fixed with wire.

Often, in the manufacture of formwork, laminated plywood sheets are used, which form a smooth surface. Shields are pulled together with pipes and wire.

Factory structures made of plastic or metal are assembled directly on the construction site. It is necessary to strictly adhere to the installation recommendations, connecting the panels with clamping mechanisms and bolts. Such a large-panel formwork is a kind of constructor, on the correct assembly of which the quality of the reinforced concrete monolith depends.

Views

Today there are many types of formwork, which can be conditionally subdivided into general construction (universal) and a special group designed for the construction of special structures. The most common type of formwork is considered to be collapsible, it is chosen when erecting not only the foundation, but also partitions, walls, beams and columns. For the manufacture of large-sized fragments and bases, as a rule, preference is given to the girder type, and if it is necessary to install buildings of great height with variable geometry, then climbing formwork is used.

In addition, the following types of structures are also used in modern construction:

Stationary.The formwork is formed from wood and it is excellent for laying a foundation that has non-standard complex shapes. It is simple to assemble the parts of such a device - shields of the required size are knocked down from the boards, fasteners are made and special stops or jumpers are placed for reinforcement.

• Adjustable. It is a universal type of formwork that can be used multiple times. The installation is carried out from steel and outwardly it resembles a constructor assembly. The shields are connected to each other both across and along. The result is a prefabricated structure, twisted with tubes and pins, into the cavity of which concrete is poured. After the initial setting of the mortar, the studs and shields are removed, and the tubes are easily knocked out and can be used for subsequent work. The holes formed from the pipes are covered with cement mortar.
• Suspension. Allows laying horizontal foundations, intended for staircases and other floors. This is a collapsible formwork, its shields are attached to each other and suspended on beams, thereby limiting the downward movement of concrete.

• Sliding. This design is used in the construction of tall buildings with typical monolithic castings. It can be operated multiple times. The main feature of the device is the presence of a special mechanism, thanks to which it rises on its own.
• Mobile. It can be either a temporary or non-separable design, which has a round, rectangular or square shape. It is considered an indispensable option for concreting long horizontal foundations, since it allows you to simultaneously pour the upper and side parts of the structure. After the mortar has frozen, the formwork is moved to another place using wheel supports or rollers.

Due to its unique structure and special characteristics, it not only provides high-quality concreting of the base, but also reliably protects it from moisture during operation. As a rule, it is erected from wooden panels or ready-made blocks. Depending on whether the formwork is used one-time or multiple times, removable and non-removable types of structures are distinguished.

Buy small-panel formwork in Moscow. Prices for the kit and individual elements

To perform monolithic work without the use of lifting equipment, small-panel formwork is used. The system consists of small-sized panels and connecting elements, the size of the elements allows pouring the foundation and walls of various configurations.

• Board height: 75/125 / 150cm
• Board width: 5/10/15/20/25/30/35/40/45/50/60/75 / 100cm
• Steel frame turnover: at least 400 cycles
• Deck turnover: at least 60 cycles
• Shield weight 100cm x 150cm: 59kg
• Profile thickness: 120x60mm
• Profile wall thickness: 4 mm

Complete set and consumables

Why is it better to buy this equipment from us?

We work directly with manufacturers, so we can guarantee:

• we will calculate the required amount of equipment for your task,
• minimum prices in the region,
• high-quality equipment that meets all GOST standards,
• subsequent warranty and non-warranty repair of the formwork.

We carry out orders by call on the day of contact

We accept orders in the office, by phone and online on the website. Call the experts and inform your company's needs for modern and reliable equipment.

You can pay for the equipment in cash or by bank transfer upon receipt of the equipment.

General terms

Formwork of this type has a perfectly flat surface. Formwork of this type has a perfectly flat surface. All types of formwork have the following requirements:

• Rigidity. The forces on the thrust created by the solidifying mass must be compensated for by structural elements, fasteners, racks without deformations, formation of gaps, and displacements of the plane. It is also necessary to take into account the variable loads arising during pouring, performing work on reinforcement.
• Moisture resistance. The water from the solution should not be actively absorbed by the material. This quality is created by impregnating wooden parts with water-repellent compounds, using waterproof materials both for manufacturing and for covering the contacting surface.
• Integrity. The presence of cracks leads to the leakage of moisture (the strength of the monolith decreases), concrete mixture (quantitative losses), the formation of sagging (additional cleaning work).
• Smooth surface. The formwork panels should be removed without significant efforts to separate from the cement surface, dried fragments, splicing the form fibers with the product material. The planes are recruited end-to-end, without overlapping each other.

Large-panel formwork

The main element of these systems are large-sized panels designed for work on high or long objects. The sizes of shields and their complexes are in the range from 3 to 20 meters and are characterized by high bearing capacity. The main area of ​​application of this system has become the construction of large residential complexes and industrial facilities. Due to the size of the boards and the ability to connect them into complexes, increasing the length or height of the formwork, it is possible to reduce time costs and increase the rate of mechanization of work.

Large-panel formwork

In addition, this type of formwork is widely used due to its high turnover and mobility. The metal elements of the shield are designed for more than 500 cycles, with proper care and observance of operating and storage conditions. Disassembled formwork systems can be easily placed in hangars or open warehouses. For transportation to the construction site, standard medium-lift trucks are used.

Indicator of turnover of large-panel formwork

The structural elements of this system, in addition to the assembled shields, are such elements as:

• supporting frame of the shield;
• plywood or steel deck fixed to the frame;
• mechanisms for adjusting the spatial position (jacks, etc.);
• scaffolds for the arrangement of working equipment and placement of the pouring agent;
• fastening and fixing devices (locks, screws, staples, ties, etc.).

Small-panel formwork

The second type of collapsible formwork got its name also due to the size of the main functional elements. The essential difference between this system and the one already mentioned is the dimensions of the shield. In this case, the maximum area of ​​one element does not exceed three square meters with a mass of no more than 50 kg. Dimensions and weight allow this system to be used on small objects, inside apartments (redevelopment), for work on the installation of foundations, pouring columns, etc.

Small-panel formwork

With its small dimensions, the assembled formwork is able to withstand pressures of up to 0.5 kPa. Another advantage of this type of this formwork is the possibility of increasing its dimensions by adding new segments. It is also possible to make spatial blocks from shields, which are used for pouring stepped structures. The complete set is not much different from the large-panel system, with the exception of jacks, the functions of which in this case are played by diagonal spacers.

Assembly and disassembly

The formwork erection technology is relatively simple, but no mistakes can be made in the formwork assembly process.

Fundamental rules:

• start the installation of small-panel formwork with drawing up a wiring diagram showing the entire structure in detail;
• before assembly, the shields are covered with special grease;
• mark the outer and inner contours, outline the main center lines;

• shields are installed on the supporting frames;
• installation begins with the installation of corner elements;
• then the installation of the remaining elements is gradually carried out;
• adjacent shields, located in parallel, are fastened with ties;
• to fix the panels from the outside, install mounting strips.

So, small-panel formwork kits are widely used for the construction of various elements of buildings, including foundations, walls, columns. They are easy to use and cost effective. When carrying out private construction to perform a limited amount of work, you can not buy a kit, but rent it only for the duration of the work.

Installation and dismantling of structures

Let's figure out what are the features of the installation of construction formwork, consisting of shields, supporting parts and fasteners.

The construction process consists of three stages:

• installation and fixing of parts in accordance with the requirements of the project;
• installation of reinforcement and pouring concrete mixture;
• dismantling of the structure is carried out after the concrete mixture has hardened.

Here are some useful installation guidelines:

• for pouring the strip foundation, shield elements are installed along the perimeter of the prepared pit. From above, the assembled form is girdled with special clamps that resist the pressure of the concrete mixture;
• spacers must be installed inside the molds, thanks to which the installed decks do not disperse to the sides after pouring the solution;
• if it is necessary to erect tall structures, a multi-stage method is usually used. After pouring and hardening of the lower tier, the shield elements are removed and rearranged higher;
• it is more profitable to use large-sized panels for walls. They are installed first on one side. Then they install the reinforcement and only then proceed to the installation of shields opposite the already mounted part of the formwork system. The next step in the assembly is to tie the parallel-installed elements using special tie bolts.

So, panels are the main element of formwork systems used in monolithic construction technology. You can make them yourself from boards, or you can use ready-made kits produced in an industrial way.The choice of option depends on the project being implemented. The size of the structure being erected, its shape, as well as the conditions at the construction site are taken into account. If necessary, panel board elements can be assembled independently using boards or laminated plywood.

Self-made formwork at the construction site

Photo of the manufacture of a panel structure from boards for the base

It is not difficult to make wooden small-panel formwork on your own, and this is often done by many private developers. To do this, you need to prepare:

• dry logs of larch or other moisture-resistant wood;
• cardboard or film;
• ordinary construction stapler or downhole hammer;
• bars for connecting shields;
• fasteners and clamps.

First you need to prepare and cut the boards to a given length, and you need to buy them at least 1 cm thick. The thicker the board, the stronger it will stand, and you will have to use fewer fasteners. Then the shields are knocked down with nails with a head inside the structure. The board is fixed with beams, forming perpendicular connecting links. To ensure the most even and smooth surface of the shield, a thick film or cardboard is glued over the wood and fixed with a stapler.

Small-panel formwork

Universal modular small-panel formwork MSK is an easy-to-use formwork for aboveground and underground construction.

Scope of MSC formwork: civil and industrial construction, construction of engineering structures, foundations, walls, columns, shafts, crossbars, “round” walls (circuses), conical retaining walls, floors, etc.

Universal modular small-panel formwork MSK is:

• Quick "binding" of the MSC formwork to any shape of the building thanks to a large assortment of elements.
• Guarantee of manual installation of MSC formwork in places where it is not possible to use a crane, for example, during reconstruction work inside a building (panel weight 100cm x 150cm is only 59kg).
• MSC formwork is quickly assembled into “cards” of the required area and configuration for subsequent movement to the installation site using a crane.
• The design of the profile frame of the MCK formwork panels guarantees rigidity, stability and durability during operation.
• MSC formwork is fully compatible with large-panel KR formwork.
• Ideal for all height ranges, from foundation to wall height.
• The concrete pressure perceived by the universal modular small-panel formwork MSK is 60 kN / m2.

Technical information:

The width of the MSC formwork panels *: 5/10/15/20/25/30/35/40/45/50/60/75 / 100cm.
Height of formwork panels MSK *: 75/125 / 150cm

(Attention: the width of the panels given in clause 1 (from 5cm to 100cm) is present in each of the height ranges).
Deck of MSC formwork panels: 15mm thick film faced plywood (11 layers) (Finland).
MSC formwork frame color: red .. * Dimensions are in centimeters.

* Dimensions are in centimeters.

Types of panel formwork

Panel formwork is classified according to various criteria, which are presented in the table below along with the types of formwork.

Plastic molds

Removable types are used many times. Dismantling is performed only after the monolith gains the required strength.

The most affordable and simple to install is wooden formwork. Shield structures are easy to make from planks with bars with your own hands.The disadvantage of this material is its sensitivity to moisture. In order to use the shields many times, they must be well protected from the negative effects of water, as well as substances contained in the solution.

The metal variety is made from aluminum or steel sheets. The latter type is distinguished by its high price and significant weight, so it is not used by individual developers. Often, the installation requires the involvement of lifting equipment.

Steel panels are mainly used on large construction sites. Such products are characterized by high strength, durability, and a long period of operation.

The aluminum counterpart weighs less than the steel counterpart, but under significant load the shape bends.

The easiest variant of molds for filling are plastic products. Their use provides the highest productivity in construction work. This type is often used in the construction of high-rise buildings. Structures of various shapes are assembled from plastic shields.

Often, in practice, formwork elements are made of plywood with a thickness of 2 cm or more (depending on the size).

Changing the position of the elements of the sliding formwork takes place without disassembling it using special jacks.

Varieties by material

Depending on the materials used in the manufacture of frames and decks, formwork systems are divided into four types.

Wooden

In independent execution, it consists of boards. For manufacturing in industrial conditions, multilayer plywood sheets with a laminated coating are most often used. The components of a wooden panel formwork are a steel frame, plywood and accessories. The advantages include excellent maintainability with low financial costs. The downside is the regular maintenance of the system, the main reason for which is considered to be the violation of the integrity of the protective coatings on the end sections of the shields. Such damage occurs in most cases during the installation or dismantling of the formwork system. If the condition of the shields is not monitored, the plywood will be saturated with moisture, warp and exfoliate.

Metal

Steel panel formwork is a reliable system for pouring foundation foundations. Structurally, the metal panel formwork consists of a frame base, sheathed with sheet steel. There are several modifications. In order to reinforce the shields, plastic or plywood sheets are often embedded in the cladding. Panel formwork, made of metal, is distinguished by an increased strength indicator, it is difficult to deformation processes. The surface of the boards is protected from corrosion by galvanized coating, powder paint spraying. There is a long operational period. The systems are used in large-scale construction, renting for private developers is impractical, since when pouring the foundation, lighter panels can be used for formwork.

Plastic

Today it is used in the construction of low-rise buildings. The main features are the small dimensions of the board (120 by 60 cm) and light weight. Installation work is carried out quickly, because the design provides for special clamps that hold the shields together. The inner surface of the formwork is smooth, which makes it possible not to use lubricants that protect the plastic from adhesion to the concrete mass. After dismantling, the boards are quickly cleaned of concrete residues. The kit additionally includes telescopic props, which allows you to assemble the formwork at a height of three meters to fill the ceiling. The number of applications of the system reaches one hundred cycles, the cost of formwork is acceptable.

Aluminum

This variety is rarely used.With large dimensions of the aluminum panel formwork, its light weight and excellent resistance to moisture are noted. The main disadvantage is that the system is quickly deformable, so it is better not to use it for the installation of large structures with pouring heavy concrete solutions. The negative moment is aggravated by the lack of the possibility of carrying out repair work, since it is almost impossible to return the original forms to aluminum elements. Most often, the aluminum system is used for the construction of vertical elements with small sections - columns, foundation pillars, small monolithic strips.

Formwork materials

Formwork elements are made from different materials, the most common options are:

• steel;
• laminated plywood;
• OSB boards;
• wood;
• polymer materials.

But in any case, the corner elements collapsed under the action of the mass of the poured concrete, so they are made from rolled metal.

Steel

Steel formwork is the best option for the construction of technical facilities, as well as foundations of various structures. Metal, unlike wood, does not have a high water absorption coefficient. Thanks to this, the concrete matures naturally, which improves the quality of the products.

In addition, the smooth surface of metal sheets allows you to subsequently save on the processing of monolithic structures before finishing. Additional benefits worth noting:

• lack of fibrous structure on contact surfaces;
• easy dismantling;
• high degree of reliability;
• profitability, since the kit can serve for a long time.

The main disadvantage is the significant weight of the elements, steel shields are much heavier than plywood or aluminum.

Aluminum

Aluminum formwork is lighter than steel kits. But it has high performance indicators. Main characteristics of standard systems:

• maximum design pressure 80 kPa;
• permissible deflection of panels at the peak of the load - no more than 0.25%;

• set turnover - up to 300 cycles;
• the average weight of the shield is 30-35 kg.

Montage demontage

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31.10.2016