LV13741B - Outer wall construction of foamed concrete and its building technology - Google Patents

Outer wall construction of foamed concrete and its building technology Download PDF

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LV13741B
LV13741B LV080086A LV080086A LV13741B LV 13741 B LV13741 B LV 13741B LV 080086 A LV080086 A LV 080086A LV 080086 A LV080086 A LV 080086A LV 13741 B LV13741 B LV 13741B
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wall
load
foam concrete
molds
concrete
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LV080086A
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Videvuds Arijs Lapsa
Andrejs Terentjevs
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Videvuds Arijs Lapsa
Andrejs Terentjevs
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Abstract

This innovation refers to edifices' building constructions and their building technologies. The sphere of its application is building of outer walls to heated edifices. The construction contains a heat-insulation layer of monolithic (solid-cast) aerated concrete sealed in the non removal formwork, and it has embed in concrete wall's outer load-bearing frame, which is placed to the outer wall's inner surface. The elements of such a load-bearing frame can be positioned along the trajectories of main compression and tensile stress. This load-bearing frame can be made of rectilinear bars and may contain strut beams, trimmer beams and cross-braces. Inner non removal formwork of the wall construction is connected to a wall load-bearing frame. Aerated (foam-) concrete outer wall building technology involves making formwork with the subsequent concreting. Before concreting, wall load-bearing frame is fixed to the non removal formwork of the inner surface of the outer wall, or vice versa - first of all the frame is mounted and installed and after that the inner non removal formwork is affixed to it. The frame can be made of wood, metal, reinforced or non-reinforced concrete or reinforced plastic bars. Further on, outer non-removal formworks are mounted and then follows concreting.

Description

Virsraksts: PUTUBETONA ĀRSIENAS KONSTRUKCIJA UN TAS BŪVĒŠANAS TEHNOLOĢISKAISTitle: Foam Concrete Exterior Construction and Technological Construction

PANEMIENS @ Kopsavilkums: Izgudrojums attiecas uz ēku būvkonstrukcijām un to būvēšanas tehnoloģijām. Tā lietošanas joma irapsildāmu ēku ārsienu būvēšana. Konstrukcija saturpaliekošos veidņos ieslēgtu monolītu putubetona siltuma izolācijas slāni un tajā ir iebetonēts sienas ārējo slodzi nesošs karkass, kurš ir novietots pie ārsienas iekšējās virsmas. Šī nesošā karkasa elementi var būt novietoti pa galveno spiedes un stiepes spriegumu trajektorijām. Šis slodzi nesošais karkass var būt izveidots no taisniem stieņiem un saturēt statņus, rīģeļus un atgāžņus. Sienas konstrukcijas iekšējais paliekošais veidnis ir savienots ar sienas slodzi nesošo karkasu. Putubetona ārsienas būvēšanas tehnoloģiskais paņēmiens satur veidņošanuarsekojošu putubetona iepildīšanu. Pirms betonēšanas pie ārsienas iekšējās virsmas paliekošā veidņa piestiprina sienas slodzi nesošo karkasu vai otrādi - vispirms samontē un uzstāda karkasu un pēc tam pie tā piestiprina iekšējo paliekošo veidni. Karkass varbūt izveidots no koka, metāla, stiegrota vai nestiegrota betona vai arī stiegrotas plastmasas stieņiem. Pēc tam uzstāda ārējo paliekošo veidni un veicbetonēšanu.PANEMIENS @ Summary: The invention relates to building structures and technology for their construction. Its field of application is the construction of external walls of heated buildings. The structure contains a monolithic foam concrete insulation layer enclosed in permanent molds and has a concreted load-bearing framework for the wall, which is placed on the inner surface of the external wall. The elements of this load-bearing frame can be located along the main compressive and tensile stress trajectories. This load-bearing frame may be made of straight bars and may contain uprights, cuttings and recesses. The internal permanent mold of the wall structure is connected to the load-bearing frame of the wall. The foam concrete exterior wall technology consists of shaping and subsequent foam concrete filling. Before concreting, a load-bearing framework for the wall is attached to the inner surface of the exterior wall or vice versa - first the frame is assembled and installed, and then the internal permanent form is attached to it. The frame may be made of wood, metal, reinforced or unreinforced concrete or reinforced plastic bars. Afterwards, an external permanent mold is installed and concreting is performed.

PUTUBETONA ĀRSIENAS KONSTRUKCIJA UN TĀS BŪVĒŠANAS TEHNOLOĢISKAIS PAŅĒMIENSOUTDOOR CONSTRUCTION OF Foamed Concrete and Technological Technique for Its Construction

Izgudrojuma aprakstsDescription of the Invention

Izgudrojums attiecas uz ēku būvkonstrukcijām, to materiāliem un būvēšanas tehnoloģiskajiem procesiem. Tā lietošanas joma ir apsildāmu dzīvojamo, sabiedrisko un ražošanas ēku ārsienu projektēšana un būvniecība.The invention relates to building structures, their materials and technological processes of construction. Its field of application is the design and construction of exterior walls of heated residential, public and industrial buildings.

Ir zināma ārsienu konstrukcija no putubetona un to būvēšanas paņēmiens /1/, saskaņā ar kuru putubetona blokus ražo individuālās formās režīmā un no tiem mūrē ārsienas ar zināmām tehnoloģijām. Šī paņēmiena un konstrukcijas trūkums ir tas, ka tie nepieļauj augsti efektīv materiālu lietošanu ar mazu tilpumsvaru, mazāku par 300 - 400 kg/m3, un mazu siltumvadāmību (%<0,10W/m-K), jo pie putubetona blīvumiem, mazākiem par 650 kg/m3, strauji samazinās tā mehāniskā stiprība tādā mērā, ka materiāls var neizturēt viena vai divu stāvu ēkās sienām nepieciešamās konstruktīvās slodzes. Tas var neizturēt arī transporta un mūrēšanas tehnoloģisko operāciju radītās piepūles, jo ir pārāk trausls.It is known to construct exterior walls of foam concrete and the method of construction thereof (1 /), according to which the foam concrete blocks are produced in individual forms and from them are masonry exterior walls using known technologies. The disadvantage of this technique and design is that they do not allow the use of highly efficient materials with a low bulk density of less than 300-400 kg / m 3 and low thermal conductivity (% <0.10W / mK) because of foam concrete densities of less than 650 kg / m 3 , its mechanical strength is rapidly reduced to such an extent that the material may not withstand the structural loads required for walls in single or double storey buildings. It may also be unable to withstand the effort of transport and bricklaying technology operations because it is too fragile.

Ir zināma ārsienu konstrukcija no putubetona un to būvēšanas paņēmiens /2, 3/, saskaņā ar kuru putubetona ārsienu veido, ielejot putubetona maisījumu daudzkārt lietojamos inventāra tipa veidņos, tad to nocietina un pēc tam atveidņo. Šī paņēmiena trūkums ir tas, ka arī šādā veidā nevar sienas būvei izmantot vieglos siltumizolācijas tipa putu betonus, jo to nepietiekošā stiprība neļauj sienai nest konstruktīvās slodzes no pārsegumiem un augstāk novietotiem stāviem.It is known to construct foam concrete exterior walls and their construction method (2, 3), according to which the foam concrete exterior wall is formed by pouring a foam concrete mixture into reusable molds of the type, then hardening and then rendering. The disadvantage of this technique is that even in this way lightweight foam-type concrete foam concrete cannot be used for wall construction, because their insufficient strength prevents the wall from carrying the structural loads from the ceilings and higher floors.

Šādu ārsienu abas vertikālās virsmas vieglā putubetona zemās stiprības dēļ noteikti pēc sacietēšanas pret ārējās vides iedarbību ir jāaizsargā ar kādu pietiekoši izturīgu apdares slāni.Because of the low strength of the lightweight foam concrete on both vertical surfaces of such exterior walls, it is imperative that they be protected by a sufficiently durable finish after curing against the external environment.

Ir zināma arī ārsienu konstrukcija no putubetona /4/, saskaņā ar kuru putubetona ārsienu veido, ielejot tā maisījumu vertikālos un sienas konstrukcijā paliekošos veidņos, un to sacietina. Pēc betona sacietēšanas paliekošie veidņi kalpo gan kā fasādes, gan arī kā sienas iekšējās virsmas aizsargslānis. Šeit ir aprakstīts arī kompromisa variants, pie kura sienas fasādes virsmu veido paliekošo veidņu plāksnes no kāda ārējās apdares materiāla, bet iekšējo virsmu formē ar daudzkārt lietojamiem inventāra tipa veidņiem. Arī šis paņēmiens neļauj ārsienai izmantot augsti efektīvos vieglos siltumizolācijas putubetonus to mazās stiprības dēļ, kura neļauj uzņemt ēkas konstruktīvās slodzes, jo putubetonu ar tilpumsvaru, kas <400 kg/mJ, ir lietojami tikai efektīvai siltuma izolācijai un spēj nest tikai sava pašsvara radītās slodzes.Also known is the construction of exterior walls made of foam concrete / 4 /, according to which the foam concrete exterior wall is formed by pouring its mixture into vertical and wall molds and curing it. After the concrete has hardened, the remaining formwork serves as a protective layer for both the facade and the inner surface of the wall. Also described here is a compromise where the surface of the wall facade is made up of permanent moldings made of an external finishing material, while the inner surface is formed by reusable molds of the inventory type. Again, this technique prevents the use of high-performance lightweight foam concrete, which is low in strength, which prevents structural loading of the building, since foam concrete with a volume <400 kg / m J can only be used for effective thermal insulation and can only carry .

Šī pēdējā putubetona ārsienas konstrukcija un tās būvēšanas paņēmiens ir izvēlēti par pieteicamā izgudrojuma prototipu.The design of this last foam concrete exterior wall and its construction method have been chosen as a prototype of the claimed invention.

Izgudrojuma mērķis ir radīt tādu putu betona ārsienas konstrukciju un tās būvēšanas tehnoloģisko paņēmienu, kuri ļautu izveidot ārsienu no vieglajiem putubetoniem ar maziem tilpums vāriem, kas < 400 kg/m3, un mazu siltuma vadāmību (λ < 0,1 W/m-K), bet kura varētu nest visas nepieciešamās konstruktīvās slodzes, tai skaitā visu ēkas konstrukciju svaru kopā ar visām ārējām iedarbībām un lietderīgām slodzēm. Tas ļautu ievērojami palielināt ārsienas siltuma pretestību, samazināt tās biezumu, viena m2 svaru, materiālu patēriņu, kā arī palielināt ēkas stāvu skaitu.It is an object of the present invention to provide a foam concrete exterior wall construction and a method of constructing it that allows the formation of an exterior wall of lightweight foam concrete with low volume cavities <400 kg / m 3 and low thermal conductivity (λ <0.1 W / mK), but which could carry all the necessary structural loads, including the weight of all the building structures, together with all external influences and payloads. This would significantly increase the thermal resistance of the exterior wall, reduce its thickness, weight per m 2 , consume materials and increase the number of storeys in the building.

VV

Sī mērķa sasniegšanai tiek piedāvāta putubetona ārsienas konstrukcija, saturoša monolītu vieglā putubetona slāni, kura tilpumsvars ir < 400 kg/nT un siltuma vadāmība ir < 0,1 W/m-K. Lai nodrošinātu šādai ārsienai arī nepieciešamo un regulējamu (atkarībā no ēkas stāvu skaita) slodzes nestspēju, tajā ir iebetonēts slodzi nesošs karkass. Ar nolūku minimizēt pārsegumu konstrukciju laidumus un tādēļ arī to lieces momentus un materiālu patēriņu, kā arī, lai nesošā karkasa masu izmantotu ārsienas siltuma akumulācijai un temperatūras svārstību izlīdzināšanai, slodzi nesošais karkass ir novietots ārsienas siltajā pusē pie tās iekšējās virsmas. Mehāniski optimāls variants ir šāda slodzi nesoša karkasa elementu (stieņu) novietojums pa galveno spiedes un stiepes spriegumu trajektorijām. Taču, ja ēkas arhitektoniskie vai konstruktīvie apsvērumi precīzi tā izveidot nesošo karkasu neatļauj, tad tās ģeometriju var izpildīt tuvināti minētam noteikumam arī no taisniem stieņiem - statņiem, rīģeļiem un atgāžņiem.To achieve this goal, a foam concrete exterior wall structure having a monolithic lightweight foam concrete layer <400 kg / nT and a thermal conductivity <0.1 W / m-K is proposed. To provide the necessary and adjustable (depending on the number of storeys of the building) load bearing capacity of such an external wall, the load-bearing frame is concreted. In order to minimize the span of the lining structures and therefore their bending moments and material consumption, as well as to use the load-bearing frame mass for heat accumulation and temperature fluctuation, the load-bearing frame is placed on the warm side of the outer wall. The mechanically optimal option is the positioning of such load-bearing frame members (bars) along the main compressive and tensile stress trajectories. However, if the architectural or constructive considerations of a building do not permit the exact construction of the load-bearing frame, its geometry can also be fulfilled by approximating the rule from straight bars - struts, lathes and tilts.

Putubetona ārsienas konstrukcija var saturēt arī paliekošus veidņus, piem., no sienas iekšējās un ārējās apdares plākšņu materiāliem. Tos var lietot savā starpā sastiprinātus ar savilcēm un distanceriem, izpildītiem no materiāla ar mazu siltuma vadāmību, lai neradītu sienā aukstuma tiltiņus. Paliekošos veidņus var lietot arī tikai no vienas puses (uz sienas iekšējās virsmas) un tad tie ir savienoti ar slodzi nesošā karkasa elementiem. Sienas ārpuses virsmas izveidošanai tad lieto daudzkārt lietojamā inventāra tipa veidņus un tās apdari veic ar zināmiem paņēmieniem. Paliekošo veidņu papildus fiksācijai to stiprinājumi var būt enkuroti putubetona slānī. Šāds ārsienas iekšējais nesošais karkass var būt izveidots gan no koka (brusām, dēļiem), gan no metāla profiliem (velmējumiem, plānsieniņu profiliem, termoprofiliem ar labirinta tipa perforāciju), gan arī no stiegrotām plastmasām, piem., stiklaplasta stieņiem u.c. konstruktīviem būvmateriāliem.The construction of the foam concrete exterior wall may also contain permanent molds, for example, from the materials of the interior and exterior paneling of the wall. They can be used interlocked with tie-downs and spacers made of low-heat conductivity material to avoid creating cold bridges in the wall. Remaining molds can also be used on one side only (on the inside surface of the wall) and then connected to the load-bearing frame elements. Reusable molds are then used to form the exterior wall of the wall and are finished by known techniques. In addition to fixing the remaining formwork, their anchors may be anchored in the foam concrete layer. Such an external load-bearing inner frame can be made of wood (beams, planks), metal profiles (rolled, thin-walled profiles, labyrinth-type thermoprofiles) or reinforced plastics, eg fiberglass rods, etc. structural building materials.

Aprakstītās putubetona ārsienas būvēšanai piedāvātais paņēmiens raksturīgs 5 ar to, ka vispirms samontē un nostiprina ārsienas iekšējās virsmas veidņus.The method proposed for the construction of the foam concrete exterior wall described is characterized in that first the molds of the inner surface of the exterior wall are assembled and secured.

Tad pie iekšējo veidņu virsmas novieto sienas iekšējā slodzi nesošā karkasa elementus, savieno tos un nodrošina to projektēto stāvokli pret izkustēšanos betonēšanas procesa laikā. Ja sienas iekšējo virsmu veido no paliekošiem veidņiem, tad slodzi nesošā karkasa elementus piestiprina pie tiem ar paliekošiem savienojumiem, piem., skrūvēm. Var rīkoties arī otrādā secībā: vispirms uzstāda pie ārsienas projektētās iekšējās plaknes slodzi nesošo karkasu un pie tā piestiprina sienas iekšējos veidņus, bet pēc tam montē ārējos veidņus (inventāra tipa vai paliekošos) vai nu visā stāva augstumā, vai arī atsevišķu betonēšanas joslu augstumā. Paliekošajos veidņos var ierīkot to papildus stiprinājumus, piem., skrūves, kuru vītņotie gali pēc betonēšanas paliek putubetona sacietējošā slānī un kalpo kā enkurojuma elementi. Tad veic ārsienas betonēšanu - putubetona maisījumu iepilda veidņos vai nu visa stāva augstumā vai arī pa atsevišķām betonēšanas kārtām.The load-bearing framework elements of the inner wall are then placed on the surface of the inner molds, joined and secured to their design position against rolling during the concreting process. If the inner surface of the wall is made of permanent molds, the load-bearing frame members are fixed to them with permanent joints, eg screws. Alternatively, the load-bearing frame of the exterior wall designed for the exterior wall can be installed first, and then the wall formwork is attached to it, and then the exterior formwork (inventory type or permanent) is mounted either at full floor height or at the height of individual concreting strips. Remaining molds can be fitted with additional fasteners, such as screws, the threaded ends of which, after concreting, remain in the foam concrete curing layer and serve as anchor elements. Then the outer wall is concreted - the foam concrete mixture is poured into the formwork either at the height of the whole floor or in separate layers of concreting.

Putubetonu nocietina vai nu pie atbilstošām vides temperatūrām, vai arī ar zināmām paātrinātās cietināšanas metodēm. Pēc putubetona sacietēšanas inventāra veidņus noņem un uz sienas abām virsmām veic apdares darbus ar zināmiem paņēmieniem. Ja lieto paliekošos veidņus, tad tie paliek sienas konstrukcijā un kalpo par ārējās un iekšējās apdares slāņiem. Paliekošie veidņi var būt no jebkura cieta apdares materiāla plātnēm - finiera loksnēm, skaidu plātnēm (piem., ar cementa saistvielu), ģipšakartona, minerālmateriāla, metāla vai plastmasas u.c. atbilstoša šim mērķim materiāla.The foam concrete is cured either at appropriate ambient temperatures or by known accelerated curing methods. After the foam concrete has cured, the molds are removed and finishing is carried out on both surfaces of the wall using known techniques. If permanent molds are used, they remain in the wall structure and serve as exterior and interior finishing layers. Remaining molds can be made of any solid finishing material - veneer sheets, particle board (eg with cement binder), gypsum board, mineral material, metal or plastic, etc. appropriate material for this purpose.

Salīdzinot ar visizplatītāko putubetona ēku ārsienu būvēšanas praksi bloku mūrēšanu, izmantojot smagākus par 400 kg/m3 sastāvus, vai arī betonēšanu veicot inventāra tipa veidņos, piedāvātā paņēmiena priekšrocības ir:Compared to the most common Interior aerated concrete building exterior wall building block-laying practice using heavier than 400 kg / m 3 compositions or concreting by inventory type formwork, the proposed method are:

1) tehniskas, jo ļauj ārsienas veidot gan plānākas, gan arī no vieglāka materiāla, ar mazākām slodzēm uz citām nesošām konstrukcijām (piem., pamatiem) un ar lielāku ārsienas siltuma pretestību;1) technical, as it allows the outer walls to be made of thinner or lighter material, with less load on other load-bearing structures (eg foundations) and with higher thermal resistance of the outer wall;

2) ekonomiskas, jo ļauj samazināt ārsienas materiālu patēriņu - gan uz 35 lm , gan arī uz 1 m tās tilpuma, un atbilstoši samazināt ēkas būvizmaksas, kas ir būvfirmas ieguvums; būvfirmas ieguvums ir arī tas, ka paliekošie veidņi kalpo par apdares slāni un šis process vispār vairs nav jāveic, bet pasūtītāja ieguvums ir ēkas cenas samazinājums, bet ēkas kalpošanas laikā tas ir apkures izmaksu samazinājums;2) economical, because it allows to reduce the consumption of external wall materials - both to 35 lm and 1 m of its volume, and to reduce the construction costs of the building accordingly, which is a benefit for the construction company; the benefit of the construction company is that the remaining molds serve as a finishing layer and this process is no longer required, but the customer benefits from a reduction in the cost of the building and a reduction in heating costs over the life of the building;

3) ekoloģiskas, jo, samazinot kurināmā patēriņu, samazinās arī atmosfēras piesārņošana ar apkures atkritumgāzēm CO2 un SO2.3) eco-friendly, as reducing fuel consumption also reduces atmospheric pollution with CO 2 and SO 2 from waste heat.

IZMANTOTIE INFORMĀCIJAS AVOTI:USED INFORMATION SOURCES:

1. http://www.eng.technostrom.ru „Equipment and technology for producing foam eonerete blocks”.1. http://www.eng.technostrom.ru "Equipment and technology for producing foam eonerete blocks".

2. Ravindra K.Dhir, Moray D.Newlands, A.McCarthy „Use of Foamed Concrete in Construction. American Society of Civil Engineers (ASCE) Publication,” Thomas Telford Ltd, USA, 2005.2. Ravindra K.Dhir, Moray D.Newlands, A.M.Carthy, Use of Foamed Concrete in Construction. American Society of Civil Engineers (ASCE) Publication, ”Thomas Telford Ltd, USA, 2005.

3. http://www.bispartner.com/en/neopor „Neopor System Cellular Lightweight Concrete”3. http://www.bispartner.com/en/neopor Neopor System Cellular Lightweight Concrete

4. UepHHKOB B.A. «TexHOJionw BOSBeņenHa .sņaHHH H3 μοηολητηογό neHedeTOHa b HecBeMHOH onaJiy6Ke: npaKTunecKoe nocobne» CII6: nrync ΜΠ0 Pocchh, 2004.4. UepHHKOB B.A. «TexHOJionw BOSBenenHa .sņaHHH H3 μοηολητηογό neHedeTOHa b HecBeMHOH onaJiy6Ke: npaKTunecKoe nocobne» CII6: nrync ΜΠ0 Pocchh, 2004.

Claims (7)

PRETENZIJAS 1. Putubetona ārsienas konstrukcija, saturoša monolīta putubetona siltumizolācijas slāni, iebetonētu paliekošos veidņos, atšķirīga ar to, ka tajā ir iebetonēts sienas ārējo slodzi nesošs iekšējs karkass, kurš ir novietots ārsienas siltajā pusē pie tās iekšējās virsmas.1. A foam concrete exterior wall structure comprising a monolithic foam concrete insulating layer, concreted in permanent molds, characterized in that it has an in-wall exterior load-bearing inner frame which is located on the warm side of the exterior wall at its inner surface. 2. Putubetona ārsienas konstrukcija atbilstoša 1. punktam, atšķirīga ar to, ka sienas iekšējais slodzi nesošais karkass satur elementus, novietotus pa galveno spiedes un stiepes spriegumu trajektorijām.2. The construction of a foam concrete exterior wall according to claim 1, characterized in that the load-bearing framework of the wall comprises elements located along the main compressive and tensile stress trajectories. 3. Putubetona ārsienas konstrukcija atbilstoša 1. punktam, atšķirīga ar to, ka sienas iekšējais slodzi nesošais karkass izveidots no taisniem stieņiem un satur statņus, rīģeļus un atgāžņus.3. The foam concrete exterior wall structure according to claim 1, characterized in that the internal load-bearing frame of the wall is made of straight bars and contains uprights, creeps and recesses. 4. Putubetona ārsienas konstrukcija atbilstoša 1., 2. vai 3. punktam, atšķirīga ar to, ka tās sienas slodzi nesošais iekšējais karkass ir savienots ar sienas iekšējās plaknes paliekošo veidni.4. The foam concrete exterior wall structure according to claim 1, 2 or 3, characterized in that its load-bearing inner frame is connected to a permanent mold of the inner wall plane of the wall. 5. Putubetona ārsienas konstrukcija atbilstoša 1., 2., 3. vai 4. punktam, atšķirīga ar to, ka tās iekšējais slodzi nesošais karkass ir izveidots no koka, metāla, stiegrotas plastmasas, betona vai stiegrota betona.5. The foam concrete exterior wall structure according to claim 1, 2, 3 or 4, characterized in that its internal load-bearing framework is made of wood, metal, reinforced plastic, concrete or reinforced concrete. 6. Putubetona ārsienas konstrukcijas, atbilstošas 1., 2., 3., 4. vai 5. punktam, būvēšanas paņēmiens, saturošs paliekošo veidņu montāžas procesu, putubetona maisījuma iepildīšanu veidņos un tā cietināšanu, atšķirīgs ar to, ka vispirms samontē un nostiprina ārsienas iekšējās virsmas paliekošos veidņus, tad pie tiem piestiprina slodzi nesošo karkasu un pēc tam samontē un nostiprina sienas ārējās virsmas paliekošos veidņus, ierīko paliekošo veidņu papildus stiprinājumus un distancerus, izskrūvējot tiem cauri putubetonā ievirzītas enkurskrūves, bet pēc tam veidņos iepilda putubetona maisījumu un to sacietina.6. A method of constructing a foam concrete exterior wall structure according to claim 1, 2, 3, 4 or 5, comprising the process of assembling the permanent molds, filling the foamed concrete mixture into the molds and curing it, except that the external walls are first assembled and secured. the remaining surface molds, then attach the load-bearing framework, and then assemble and secure the outer surface molds, install the additional formwork anchors and spacers by unscrewing anchor bolts through the foam concrete, and then filling the foam concrete into the molds. 7. Putubetona ārsienas konstrukcijas, atbilstošas 1., 2., 3., 4. vai 5. punktam, būvēšanas paņēmiens atbilstošs 7. punktam, kas atšķirīgs ar to, ka vispirms samontē un nostiprina slodzi nesošo karkasu, un pēc tam samontē un nostiprina ārsienas iekšējās virsmas paliekošos veidņus un tos piestiprina pie karkasa.7. A method of constructing a foam concrete exterior wall structure according to claim 1, 2, 3, 4 or 5, characterized in that the load-bearing framework is first assembled and secured, and subsequently assembled and secured. the molds remaining on the inner surface of the external wall and fixed to the frame.
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