Is an innovative earthquoke-resistant and insulating construction system based on a series af modular panels, industrially manufactured, that meet the structural requirements efficaciously, guaranteeing, at the same time, high thermal and acoustic insulation as welI as high resistance to fire and earthquakes. Thanks to its rapidity of erection ond reliability, it is superior to any previous construction system, be it troditional and prefabricated, of which il combines the most significont positive features.

TYPES PANELS:

Singol Panel:

As a load-bearing structure, up to 4 storey buildings, with strctural plastering on the two surfaces; for partition walls and curtain walls, in buildings either new or to be restored; for curtain walls and partition walls in large industrial and commercial buildings; as a disposable insulating formwork for roofs and floors of small-sized spans, with or without pre-cast ribs.
Thermal transmittance 0,57÷0,29 W/mqK
Soundproofing panel EPS 16 cm 41 dB

Double Panel:

It consist of two basic panels, suitable shaped and joined one another by double horizontal connectors, inside of which is an oir space to be filled with concrete having suitable characteristics and strenght. The thickness of the concrete costing inside the double panel as well as the characteristics of the concrete itself vary according to structural requirements. The double panel, equipped with a reinforcement certified by on Official Laboratory in Conformity with the Italian law 5/11/1971 no.1086, M.D. 9/11/1996, complies with the provisions concerning the reinforced concrete structures, in accordance with EUROCOOE 2 (EC2).
Thermal transmittance up to 0,24 W/mqK
Soundproofing panel EPS up to 50 dB


Floor panel:

Used in the construction of large-sized span floors by placing integrative steel in the spaces moulded for this purpose (bar joists) and casting concrete.

BUILDINGS METHODS

Easy Handling

The light weight of panels brings further advantages in their use on the construction site. Panels can be easily moved by one or two workers, even when assembled and when measuring over 4 mq.In the following stage, they may be handled and placed by hand by only one worker without the aid of a lifting machine. This makes their installation easier and more rapid in any situation, with no need for skilled labour. And, of course, in case skilled workers were employed, there would be a marked increase in productivity.



High Insulating Quality

The utilization of this panels as expendable formworks permits to realize the concrete casting independent of the outside temperature, even in weather conditions that usually do not permit to operate. In fact, thanks to the high thermal insulation quality of its material, the panel protects the casting the from the danger of frost at low temperature and from the extreme evaporation at high temperature; for this reason the casting does not require any specific additives. Furthermore, being a two-direction insulating system, the panel contributes to improve the quality of the curing process of the concrete and reduces the time required for it almost to the level of vapour curing. At curing completion, that takes place in a much shorter time compared to traditional system, the following can be calculated: a load bearing wall of cm 23, realized with this system, has an insulation capacity equal to 40 Kcal/h mq °C in comparison with much higher thermal transmittances of the other building systems: concrete 2, brick 1,7. Once the construction is completed, in addition to the thermal advantages, the system presents also advantages from the acoustic point of view, both in its vertical and horizontal elements.


Chases

As to the installation of the various system (plumbing, heating, electric,telephone, etc.), the ease with which chases are made confirms once again the many advantages offered by this method. In fact the operation is quickly carried out with no additional masonry assistance while the construction site is always clean. First, the paths of the various systems ore marked on the wall; then the chases are made on the polystyrene by means of a hot-air generator or any other source of heat; in the end pipes are placed behind the steel wire mesh. In case of rigid or semi rigid pipes, the metal meshwork is opened as needed by ordinary shears and then closed so to support pipes.

Plastering

Once panels are assembled, after their vertical placing, the concrete is cast in case of double panels and the systems are laid, then the plaster can be directly sprayed on both sides. Here again, the advantages of this system vis-à-vis other building methods are obvious, as plaster of any type can be used with the zinc-coated supporting mesh. In addition, the plaster applied onto the strictly connected walls, reinforced by the metal mesh, will turn out to become monolithic, which excludes any possible cracking due to mechanic and/or thermal stresses. Moreover, as chases do not need patching - which, on the contrary, is always so visible in traditional systems - the plaster will be all the more uniform and of a higher quality also in aesthetic terms.

ADVANTAGES OF THIS SYSTEM

Thermal Insulation

Heat insulation ensured by both types of panels (single and double) is very high: the value of heat transmission for a double panel is 0.40 Cal/h.m2. °C versus 1.70 (brick walls). The polystyrene sheets ensure maximum values of insulation, together with a very efficient condensation barrier.



Acustic Insulation

The soundproofing power of double panels is 38 dB with 500 Hz: this means that noises produced outside the panel are 6 times lower on the inside. This result is achieved because the panel consists of 5 layers (plaster, polystyrene, reinforced concrete, polystyrene, plaster) with different densities (25 Kg/m3 for the polystyrene, 2000 Kg/m3 for the concrete and 1500 Kg/m3 for the plaster) which is one of the most efficient soundproofing devices as it also avoids resonance.





Resistance to the Fire

The double panel has a resistance REI 150: if a side of the wall is exposed to 1000°C, after 3 hours the other side reaches a temperature of 48°C. The above esults are due to the panel structure, that is the different layers that compose it, and to polystyrene shrinking which, unlike other chlorinebased foam products such as polyurethane, does not emit any harmful gases.



Earthquake Resistance and Cyclone Resistance

Laboratory tests carried out on two storey prototype, true scale, have shown that the structure resist and is not damaged by strains higher than those calculated for a First Category Earthquake that is the maximum provided for by the Italian seismic Standards. The results obtained with these tests represent the scientific evidence of what has been already naturally experimented. In fact, buildings realized using this system have shown their aseismic characteristics in many countries in the world, where the same have successful overcome the most severe natural tests. Buildings realized with this system in areas at high risk of cyclones have demonstrated their ability to withstand the most devastating cyclones.



Energy Saving

The value of the K total heat transmittance of a wall realized by a panel mode up of a polystyrene slab of 4 cm (density 15 kg/m3) applied with plaster 3 cm thick on both sides for a total thickness of 10 cm, is equal to 0.78 W/m2 K. If the wall is realized using a panel with polystyrene slab of 8 cm (density 15 kg/m3), the calculated value of the K heat transmittance is equal to 0.49 W /m2 K. Such a heat insulation degree exceeds in a remarkable way the peculiar values of the partitions or curtain walls obtained with the traditional systems; this produces energy saving equal to 40% both while heating and while cooling.



Savings

The saving can be evaluated as 30% versus the traditional methods. This reduction is due to:

• Simplicity of the foundation works;

• Cranage is not necessary;

• Simplicity in piping and cable ductings, wall chases are not necessary;

• Qualified manpower is not necessary.




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