NO764029L - - Google Patents
Info
- Publication number
- NO764029L NO764029L NO764029A NO764029A NO764029L NO 764029 L NO764029 L NO 764029L NO 764029 A NO764029 A NO 764029A NO 764029 A NO764029 A NO 764029A NO 764029 L NO764029 L NO 764029L
- Authority
- NO
- Norway
- Prior art keywords
- mold
- blocks
- block
- mold according
- plates
- Prior art date
Links
- 238000005266 casting Methods 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 5
- 210000002268 wool Anatomy 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/261—Monolithic filling members
- E04B5/263—Monolithic filling members with a flat lower surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
- E04B2005/235—Wooden stiffening ribs or other wooden beam-like formations having a special form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
- E04B2005/237—Separate connecting elements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
Støpeform for dannelse av bjelkelag/dekke.Mold for forming joists/covering.
Den foreliggende oppfinnelse vedrører en støpeformThe present invention relates to a mold
for dannelse av bjelkelag/dekke, spesielt for såkalt spare-formstøping av betongbjelkelag/dekke. for the formation of joist layers/decking, especially for so-called spare mold casting of concrete joist layers/decking.
Hvis man vedsstøping av bjelker i nybygg ønsker åIf you want to cast timber beams in new buildings
ha store spennvidder, dvs. ikke ønsker å ha for tett stående søyler som understøtter bjelkelaget', må man i stedet vanligvis utføre dette meget kraftig. Et slikt bj;élkelag blir imidlertid meget kostbart å framstille, og for det formål å sette ned omkostningene tillemper man derfor nå ofte en såkalt spareform-støping av bjelkelag. Denne foregår slik at man på et bjelkeverky et bærelag, som igjen understøttes av støtter, såkalte stolper, legger ut bærebjelker med lik innbyrdes avstand på tvers av bjelkenes lengderetning hvoretter en leggeruut rader, den ene inntil den andre, av prefabrikerte former av kryssfiner, plast eller plater. Formene, hvilke utgjøres av trau, plasseres opp-ned på bærebjelkene på en slik måte at det mellom rådene dannes renner i lengde- og/eller tverretning. Over formene anbringes armeringsmatter og deretter støpes dekket hvorved betong fylles ut i samtlige renner og i et sjikt over formene. Det således dannede bjelklaget oppnår derved på sin underside et mønster av bj elkeprofiler. have large spans, i.e. do not want to have too closely standing columns that support the beam layer', this must usually be done very strongly instead. However, such a joist layer is very expensive to produce, and for the purpose of reducing costs, a so-called spare mold casting of joist layers is therefore now often used. This takes place in such a way that, on a beam structure, a bearing layer, which in turn is supported by supports, so-called posts, is laid out bearing beams with the same distance from each other across the longitudinal direction of the beams, after which a laying out rows, one next to the other, of prefabricated forms of plywood, plastic or plates. The forms, which are made up of troughs, are placed upside down on the support beams in such a way that channels are formed between the boards in longitudinal and/or transverse direction. Reinforcing mats are placed over the forms and then the deck is cast, whereby concrete is filled in all the channels and in a layer above the forms. The beam layer thus formed thereby achieves a pattern of beam profiles on its underside.
Hvis formene er av kryssTiner eller plast tas de vanligvis ned etter at betongen er herdet. Hvis de består av korrugert plate kan de sitte igjen å f danne en dekorativ takflate under b j;elken. If the forms are made of krissTiner or plastic, they are usually taken down after the concrete has hardened. If they consist of corrugated board, they can be left to form a decorative roof surface under the joists.
Alle dissætidligere kjente former ér imidlertid beheftet med ulemper. Formene er som nevnt, prefabrikerte, hvilket innebærer at man er bundet til bestemte mål over hele bjelklaget og således ikke kan modifisere senteravstand mellom de bjelker som skal støpes eller endre disses bredde eller høyde. For slike endringer må det anskaffes nye. former med andre mål. However, all previously known forms are subject to disadvantages. As mentioned, the forms are prefabricated, which means that you are bound to specific measurements over the entire beam layer and thus cannot modify the center distance between the beams to be cast or change their width or height. For such changes, new ones must be acquired. shapes with other dimensions.
Etter ferdiggjøring av bjelkelaget og nedtagning av formene er man i mange tilfeller nødt til å sette opp plater for varmeisolering og lydabsorbsjon i taket på den hall som er After completion of the beam layer and removal of the forms, in many cases it is necessary to put up plates for heat insulation and sound absorption in the ceiling of the hall that is
dannet under bjelklaget. Dette krbeidekrever tid, materialeformed under the joist layer. This requires time and material
og arbeide og er derfor dyrt.and work and is therefore expensive.
Ovennevnte utførelse med plateformer som får sitte igjen i estetisk hensikt, medfører den fare at de ved en brann lett deformeres og løsner. De gir heller ikke noen varmeisolering eller lydabsorbsjon. The above-mentioned design with plates that are allowed to remain for aesthetic purposes entails the risk that they are easily deformed and loosened in the event of a fire. They also do not provide any thermal insulation or sound absorption.
Ved den foreliggende oppfinnelse er det tilveiebragt en støpeform som løser alche disse problemer. Støpeformen ifølge oppfinnelsen erkarakterisertav langstrakte;*, parallellepipediske formblokker hvilke hver og en er forsynt med en oppad åpen renne som strekker seg mellom blokkens ender, og av kvadratiske eller rektangulære formplater hvilke er beliggende mellom formblokkene eller ovenpå disse med sine kantpartier hvilende på formblokkenes kantpartier. The present invention provides a mold which solves all these problems. The mold according to the invention is characterized by elongated;*, parallelepipedic mold blocks each of which is provided with an upwardly open chute that extends between the ends of the block, and by square or rectangular mold plates which are situated between the mold blocks or on top of these with their edge parts resting on the mold blocks' edge parts.
Ved en hensiktsmessig utførelse utgjøres formblokken av to langstrakte blokkhalvdeler slik utformet og beliggende inntil hverandre at de mellom seg danner nevnte oppad åpne renne. In an appropriate embodiment, the mold block is made up of two elongated block halves so designed and situated next to each other that between them they form the above-mentioned upwardly open channel.
Disse i støpeformen inngående deler så som formblokk og formblater består ifølge et videre kjennetegn ved oppfinnelsen, av trehullblokker hvilke er beregnet til å sitte igjen etter ferdiggjøring av et bjelkelag. Det oppnås vesentlige fordeler ved støpeformen ifølge oppfinnelsen hvilket vil framgå av en etterfølgende nærmere beskrivelse av denne med henvisning til tegningen hvor According to a further characteristic of the invention, these parts included in the mold, such as mold block and mold sheets, consist of wooden hollow blocks which are intended to remain in place after completion of a joist layer. Significant advantages are achieved by the mold according to the invention, which will be apparent from a subsequent detailed description of this with reference to the drawing where
fig. 1 viser støpeformen i perspektiv ifølge en ut-førelsesform, fig. 1 shows the mold in perspective according to an embodiment,
fig. 2 er et vertikalt tverrsnitt i større skala, fig. 2 is a vertical cross-section on a larger scale,
gjennom støpeformen ifølge figcV1,through the mold according to figcV1,
fig. 3 viser støpeformen i perspektiv ifølge en annen fig. 3 shows the mold in perspective according to another
utførelsesform,embodiment,
fig. 4 viser et vertikalt snitt gjennom en tredj;e fig. 4 shows a vertical section through a tree
utførelsesform i større målestokk,embodiment on a larger scale,
fig. 5 viser et veritkalt snitt gjennom en fjerde ut-førelsesform, fig. 5 shows a veritable section through a fourth embodiment,
fig. 6 viser i støpeformen i perspektiv ifølge en femte utførelsesform, fig. 6 shows the mold in perspective according to a fifth embodiment,
fig. 7 og 8 viser veritkale snitt gjennom ytter-fig. 7 and 8 show vertical sections through the outer
ligere utførelsesformer, samt atother embodiments, as well as that
fig. 9 viser et vertikalt snitt gjennom en variantfig. 9 shows a vertical section through a variant
av utførelsesformen ifølge fig. 5-of the embodiment according to fig. 5-
Støpeformen ifølge oppfinnelsen består hovedsakeligThe mold according to the invention mainly consists of
av langstrakte, parallellepipediske formblokker 1. Disse fram-viser hver og en en renne 2 som strekker seg mellom blokkens ender 3 og er oppad åpen. I støpeformen inngår videre i den i fig. 1 viste utførelsesform, rektangulære formplater 4 of elongated, parallelepiped shaped blocks 1. These each present a channel 2 which extends between the block's ends 3 and is open upwards. In the mold further included in the one in fig. 1 shown embodiment, rectangular form plates 4
hvilke ligger ovenpå formeblokkene 1 med sine kantpartier hvilende på disses kantpartier. Støpeformen er oppbygd av en som byggemateriale i og for seg ålment anvendt blokk av presset treull med innblandet bindemiddel, f.eks. sement, magnesitt eller gips. which lie on top of the molding blocks 1 with their edge parts resting on their edge parts. The mold is made up of a commonly used block of pressed wood wool mixed with a binder, e.g. as a building material in and of itself. cement, magnesite or gypsum.
I fig. 2 vises oppbygningen for støping av et de bj;éikéiag. Støttebjelker 5 av tre hvilke bæres av støtter 6, såkalte stolper, danner underlag for støpeformen ifølge oppfinnelsen. Pormblokkenel legges ut med riktig avstand fra hverandre med tensyntagen til de blivende betongbjeikers beregnede senteravstånd og formplatene 4 anbringes ovenpå blokkene 1. Noen bærebjelker utlagt på tvers over støttebjelkene 5 er ikke nød-vendig slik som ved tidligere kjient teknikk idet støpeformene ifølge oppfinnelsen er selvbærende. Langsgående armering 7 In fig. 2 shows the structure for casting a de bj;éikéiag. Support beams 5 made of wood which are carried by supports 6, so-called posts, form a base for the mold according to the invention. The formwork blocks are laid out at the correct distance from each other with the tension factor to the calculated center distance of the remaining concrete beams and the form plates 4 are placed on top of the blocks 1. Some support beams laid out across the support beams 5 are not necessary as in previously known technology, as the molds according to the invention are self-supporting. Longitudinal reinforcement 7
og tverrgående armering 8 legges deretter ned i rennene 2 hvoretter en armeringsmatte 9 anbringes over de dannede støpeformer. and transverse reinforcement 8 is then laid down in the channels 2 after which a reinforcement mat 9 is placed over the formed moulds.
Treullblokkene ligger méd god friksjon an mot støtte-bjelkene 5. Eventuelt kan man'dog som vist i fig. 2, spikre fast stoppklosser 10 på hver side av formblokken 1 for å sikre at de ligger helt stille. The wood wool blocks rest with good friction against the support beams 5. Optionally, as shown in fig. 2, nail stop blocks 10 on each side of the form block 1 to ensure that they lie completely still.
Etter at bjelklaget er støpt og betongen er herdet,After the beam layer has been cast and the concrete has hardened,
tas støtter 6 og støttebjelker 7 ned. Formblokken 1 og formplater 4 får imidlertid sitte igjen og danner innertak eller himling. Detteeer således direkte ferdig og danner et meget godt. varmeisolerende og lydåbsorberende tak. Noen etterfølgende montering av takplaterrer derfor ikke nødvendig hvilket innebærer en vesentlig tid- og omkostningssparing. support 6 and support beams 7 are taken down. However, the form block 1 and form plates 4 are allowed to remain and form an inner ceiling or ceiling. This is thus directly finished and forms a very good. heat-insulating and sound-absorbing roof. Any subsequent installation of roof tiles is therefore not necessary, which means significant time and cost savings.
Støpeformen ifølge oppfinnelsen er vidére meget lettThe mold according to the invention is also very light
og tilpasse hvilket vil framgå av det følgende. Hvis man ifølge en videreutvikling av oppfinnelsen deler formblokkfen 1 i to like blokkhalvdeler la og lb, se fig. 4, kan man mellom dem and adapt which will be evident from the following. If, according to a further development of the invention, the mold block 1 is divided into two equal block halves la and lb, see fig. 4, one can between them
plassere et mellomstykke 11 somllikeledes består av en treull-blokk og på denne måte modifisere bredden til den bjelke som skal støpes. place an intermediate piece 11 which also consists of a block of wood wool and in this way modify the width of the beam to be cast.
I fig. 5 vises hvordan man med en påbygningsblokk 12In fig. 5 shows how to use an add-on block 12
på hver av blokkehalvdelene la,lb kan oppnå større høyde påon each of the block halves la,lb can achieve a greater height of
den bjelke som skal støpes.the beam to be cast.
I fig. 3 vises hvordan man ved å kappe formplatene 4 på midten oppnår formplater 13 hvilke når de legges på tvers avliningen i fig. 1, gir en helt annen senteravstand mellom de bj;elker som skal støpes. In fig. 3 shows how, by cutting the form plates 4 in the middle, form plates 13 are obtained which, when placed across the alignment in fig. 1, gives a completely different center distance between the beams to be cast.
I fig. 6 vises hvordan man ved forskyvning av begge blokkhalvdelene la^lb ogrformplat ene 4 såvel innbyrdes som i forhold til hverandre kan oppnå at tverrskjøtene 14 mellom de forskjellige detaljer ikke kommer til å bli liggende rett ut for hverandre slik som ved utførelsesformene i fig. 1 og 3» Herved minskes faren for at betong innen den er herdet, trenger gjennom formen. In fig. 6 shows how, by displacing both block halves la^lb and form plates 4, both mutually and in relation to each other, it can be achieved that the transverse joints 14 between the various details will not lie straight ahead of each other as in the embodiments in fig. 1 and 3" This reduces the risk of concrete penetrating through the mold before it has hardened.
I fig. 7 og 8 vises videre et par utførelsesformer.In fig. 7 and 8 further show a couple of embodiments.
I fie. 7 ligerer formplatene 4 forsenket i formblokkhalvdelenes la,lb kantpartier med oversiden i plan med disses overside. Samtidig som formplatene 4 lettere holdes fiksert på plass i denne stilling, lettes arbeide médaarmering og støping ved den jevnere overside av formen. I fig. 8 er formplatene 4 senket ned til anlegg mot støttebjelkene 5. Herved skapes på en enkel måte rom for trekking av røret 15 hvilke siden kommer til å bli liggende innstøpfe i betongplaten. In fie. 7 ligates the mold plates 4 recessed in the la, lb edge portions of the mold block halves with the upper side flush with their upper side. At the same time as the mold plates 4 are more easily held fixed in place in this position, the work of co-reinforcement and casting on the smoother upper side of the mold is facilitated. In fig. 8, the form plates 4 are lowered down to abut against the support beams 5. In this way, room is created in a simple way for pulling the pipe 15 which side will be embedded in the concrete slab.
I fig. 9 vises det til slutt ennu en utførelsesform for å belyse den fleksibilitet som støpeformen ifølge oppfinnelsen frambyr. Denne variant skiller seg fra utførelsesformen ifølge fig. 5 kun leidet henseende at en påbygningsblokk 12 er fjernet fra to motstående blokkhalvdeler lb og la og at formplater 13 deretter anbringes direkte på dissebh<ibkkhåivdeler mens hos-liggende formplater 4 hviler på slike påbygningsblokker. Dette er atter en enkel måte til å skape godt rom for trekning av en serie rør 15 hvilke skal støpes inn i- betongplaten. In fig. 9, another embodiment is finally shown to illustrate the flexibility that the mold according to the invention provides. This variant differs from the embodiment according to fig. 5 only in the sense that an add-on block 12 is removed from two opposite block halves lb and la and that form plates 13 are then placed directly on these parts while adjacent form plates 4 rest on such add-on blocks. This is again a simple way to create good space for drawing a series of pipes 15 which are to be cast into the concrete slab.
De forskjellige kombinasjonsmuligheter med støpeformen ifølge oppfinnelsen innebærer således at man på byggeplassen lett kan tilpasse støpeformen til skiftende krav til utførelse av det bjelkelag som skal støpes hvorved en derfor ikke ved hvert forandringstilfelle behøver å bestille en ny oppsetting av former med andre mål enn de man hittil har hatt til rådighet. Materialet er ikke bare fordelaktig med hensyn til varme-isolerings- og lydabsorberingsegenskaper. ,'ieDefererf-ogsåe'létt. å bearbeide, dvs. lett å sage og skjære hvorved arbeidet med å The various combination possibilities with the mold according to the invention thus means that on the construction site the mold can be easily adapted to changing requirements for the execution of the joist layer to be cast, whereby one therefore does not need to order a new set-up of molds with different dimensions than those previously used in each case of change have had at their disposal. The material is not only advantageous in terms of heat-insulating and sound-absorbing properties. ,'ieDefererf-also'easy. to process, i.e. easy to saw and cut whereby the work of to
ta ut gjennomganger for luftkanaler, vannledninger og annet lettes. taking out passages for air ducts, water pipes and other things is facilitated.
Oppfinnelsen er iktebegrenset til de viste og beskrevende utførelsesformer men kan varieres på ytterligere måter innen rammen for de etterfølgende krav. Således kan såvel basis- som tilleggskomponenter til støpeformene ha andre mål og former enn de som er vist på tegningen. The invention is strictly limited to the embodiments shown and described but can be varied in further ways within the scope of the subsequent claims. Thus, both basic and additional components for the molds can have different dimensions and shapes than those shown in the drawing.
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7513416A SE395298B (en) | 1975-11-28 | 1975-11-28 | CAST FORM FOR FORMATION OF FLOOR LAYERS |
Publications (1)
Publication Number | Publication Date |
---|---|
NO764029L true NO764029L (en) | 1977-06-01 |
Family
ID=20326185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO764029A NO764029L (en) | 1975-11-28 | 1976-11-25 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2653828A1 (en) |
DK (1) | DK532876A (en) |
NO (1) | NO764029L (en) |
SE (1) | SE395298B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2450315A1 (en) * | 1979-03-02 | 1980-09-26 | Eizaguirre Lopetegui Pedro | Reinforced concrete floor deck - incorporates channelled prefabricated half-beam onto which concrete is cast in situ |
FR2505906A1 (en) * | 1981-05-14 | 1982-11-19 | Antoine Vercelletto | Reinforced concrete foundations suspended over thermal insulation - made by casting onto intermediate water-impermeable film |
ATE130069T1 (en) * | 1992-03-03 | 1995-11-15 | Arnhem Bv J G | METHOD FOR PRODUCING A CEILING ELEMENT OR A RIBBED CEILING AND THERMAL INSULATION BOARD FOR CEILING ELEMENTS. |
FR2924452A1 (en) * | 2006-12-05 | 2009-06-05 | Claude Blouet | Permanent formwork for forming wooden beam framework floor, has molded plate defining lateral maintenance border for supporting plate on permanent beam formwork and longitudinal maintenance borders for joining plates in two-by-two manner |
CN110565861A (en) * | 2018-06-05 | 2019-12-13 | 迈瑞司(北京)抗震住宅技术有限公司 | Wood-concrete combined floor slab |
-
1975
- 1975-11-28 SE SE7513416A patent/SE395298B/en unknown
-
1976
- 1976-11-25 NO NO764029A patent/NO764029L/no unknown
- 1976-11-26 DK DK532876A patent/DK532876A/en unknown
- 1976-11-26 DE DE19762653828 patent/DE2653828A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2653828A1 (en) | 1977-06-08 |
SE7513416L (en) | 1977-05-28 |
SE395298B (en) | 1977-08-08 |
DK532876A (en) | 1977-05-29 |
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