WO2008071249A1 - Unit for the construction of slab foundations - Google Patents
Unit for the construction of slab foundations Download PDFInfo
- Publication number
- WO2008071249A1 WO2008071249A1 PCT/EP2007/008883 EP2007008883W WO2008071249A1 WO 2008071249 A1 WO2008071249 A1 WO 2008071249A1 EP 2007008883 W EP2007008883 W EP 2007008883W WO 2008071249 A1 WO2008071249 A1 WO 2008071249A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fact
- unit according
- domed
- firewalls
- unit
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
- E02D27/013—Shuttering specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/01—Flat foundations
- E02D27/016—Flat foundations made mainly from prefabricated concrete elements
-
- 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
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/21—Cross-ribbed floors
-
- 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
- E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
Definitions
- the present invention refers to a unit for the construction of slab foundations.
- slab foundations are used on so-called “expansive” ground, or rather on ground which is subject to variations in volume following wet and dry cycles, and comprising a grid of bearing beams which lean directly onto the ground and a composite completion slab, which is produced on the bearing beams in such a way as to form with the latter a number of cavities which are uniformally distributed on the ground inside of which the ground itself can discharge during its own expansion.
- the sizing of the beams must be able to endow rigidity to the entire slab foundation, and must be able to define a supporting surface on the ground for each beam in such a way that the weight of the slab foundation divided by the support surface results in a permissible stress which is always greater than the stress of the ground in expansion thus containing the movements of the foundation.
- the American patent US 5,540,524 also describes that the unit comprises a number of tension tie-rods, which are suitable for pre-tensioning the concrete inside the channels, and which extend inside sheaths which are in turn arranged along the channels before the concrete is cast.
- the American patent No. US 6,550,207 describes a unit for the construction of aerated slabs which comprise a number of modules of domes made of plastic material, and a number of auxiliary connecting elements, which are shaped, substantially like arches or cradles, and which are arranged in an intermediate position between two adjacent modules of domes in order to connect the adjacent modules of domes themselves to each other in univocal fashion at a reciprocal positioning distance.
- the aim of the present invention is to produce a unit for the construction of slab foundations which will be quick and easy to lay into position.
- a unit for the construction of slab foundations comprising:
- modules of domed bodies which are made of plastic material and which are suitable for being placed in position in a construction site with an own concavity turned towards the construction site itself and in conformity with modules of at least one domed body arranged laterally in relation to each other;
- the unit being characterised by the fact that the said interconnecting elements comprise two firewalls which are connected to respective domed bodies facing each other along a said channel and distancing means which are interposed between the two firewalls in such a way as to transmit the static load of the bearing beams directly onto the site where they are to be laid and in order to determine the said reciprocal positioning distance.
- FIGURE 1 is a plan view of a first preferred form of embodiment of a unit for the construction of slab foundations according to the present invention
- - FIGURE 2 is a perspective view on a reduced scale of the unit which is shown in FIGURE 1;
- FIGURE 3 illustrates, on an enlarged scale and in lateral elevation, a detail of the unit which is shown in FIGURE 1;
- FIGURES 4 and 5 illustrate respective details of the unit which is shown in FIGURE 1 ;
- FIGURE 6 is a plan view of a second preferred form of embodiment of a unit for the construction of slab foundations according to the present invention.
- FIG. 7 is a side view of the unit of Figure 6.
- the number 1 indicates a unit for the construction of slab foundations in its entirety, in which a number of beams made of reinforced concrete form a gridwork of beams which lean directly on, or rather are in contact with, the ground where they are laid, and are also connected to each other by a composite completion slab above the beams themselves.
- the beams, as well as the composite slab are produced by filling the site where they are laid by means of casting concrete over the unit 1, which comprises a number of modules M arranged on the ground in such a way as to define both an upper reference surface S for the composite slab and a gridwork of channels 2 which are suitable for being flooded with concrete for the formation of the above- mentioned gridwork of beams.
- Each module M comprises, in its turn, a determined number of domed bodies C, which are made of plastic material in such a way as to remain internally hollow in order to give blowholes for the expansion of the ground, and which may be defined, as is illustrated in FIGURES 1 and 2, by domes, to which the description which follows will make explicit reference without in any way losing its general nature .
- Each dome C comprises an upper plane Cl defining with the planes Cl of the other domes C the surface S, and four lateral windows C2 , each of which starts directly from the ground and is encircled by a shaped border C3 for the substantially sealed connection of one dome C with the other domes C of the same module M, in the case in which the latter presents more than one dome C as is in fact so in the case which is being described where each module M comprises four domes C which are connected to each other in order to form a square.
- the upper plane Cl of each dome C may be flat as illustrated in the previously cited American patent No. US 5,540,524, or may be arched as illustrated in the previously cited American patent No. US 6,550,207: in any case, the import of the present invention is not limited by the specific shape of the domes C, which may be selected according to the specific production demands of the unit 1.
- the unit 1 also comprises a number of interconnecting elements 10, which are arranged in an intermediate position between at least two adjacent modules M in order to connect the adjacent modules M to each other defining in univocal fashion a reciprocal positioning distance, and comprising a firewall 20 which may be coupled to each dome C facing along a channel 2 and at least two spacers 30 with a space between them if order to leave the ground free along the channels 2 themselves .
- Each firewall 20 comprises a wall 21 for laterally closing a window C2 of the relative dome C, a shaped connecting border 22 which is integral with the wall 21 and presenting a shape which is complementary to that of the relative border C3 in order to be engaged in the border C3 itself, and two engaging housings 23, which are arranged at the opposite lower ends of the wall 121, and are defined by respective hollow cylindrical bodies which are integral with the wall 21 itself.
- each firewall 20 is inclined towards the relative window C2 and defines with the wall 21 of the firewall 20 which is arranged in front a portion of the channel 2 which, thus, presents a substantially trapezoid section which tapers towards the ground where the foundation is to be laid.
- the firewalls 20 may also be of two kinds: a firewall 20', in which the shaped border 22 is arranged in contact with the relative border C3 of which it traces the shape, and a firewall 20' , in which the shaped border 22 presents a slit in the shape of a half-moon inside which is positioned a lip C6 of the border C3.
- each spacer 30 comprises a shaped base plate 31, two collapsible pins 32 which are arranged at opposite ends of the base plate 31 and which may be snap-engaged inside a relative housing 23, and an upper rib 33, which is integral with the base plate 31 and which presents three saddles 34 which are at an equal distance from each other for housing respective reinforcing elements F, such as bars or sheaths .
- the base plate 31 is shaped in correspondence with the pins 32 in such a way as to leave a gap between it and the ground where the foundation is to be laid once the pins 32 have been inserted into the housings 23 of two different firewalls 20, and in particular, presents a double fold 35 in the shape of an L in such a way as to be substantially aligned with the upper border of the rib 33.
- Each pin 32 instead, is defined by two semi -cylindrical shells which are engaged in the plate 31 and are distanced from each other by a split, 37, and presents a security turn-up which is arranged along he free end of each shell 36 in order to prevent the accidental exit of the pin 32 itself from the relative housing 23.
- each spacer 30 comprises two further base plates 31' which are arranged transverse to the base plate 31 in order to define a rigid connection between two spacers 30.
- laying a unit 1 occurs by assembling each module M on the ground where it is to be laid and subsequently closing eight windows C2 with the same number of firewalls 20.
- the spacer 30 mean that the laying in place is rendered even more uniform and the distance between the two adjacent modules M permits it to be carried out at high speed, with the additional certainty of producing channels 2 which are also of uniform size.
- the reinforcing bars or sheaths F are positioned along the channels 2 thus formed and become part of the unit 1 and are supported inside the saddles 34 which maintain them at an equal distance from each other and parallel to each other.
- the domes C of each module M also present grooves C7 which are obtained along the respective plane Cl in order to house additional reinforcing bars or sheaths F, which will become part of the composite slab.
- the two spacers 30 may be connected to each other by means of a plastic membrane covering the ground where the foundation is to be laid along the channel 2 and via which would be discharged the static load of the relative bearing beam on the ground where the foundation is to be laid as such a plastic membrane would not be capable of exerting any resistance whatsoever.
- the connecting bridge could be of any shape as long as it were suitable for discharging onto the ground the static load of the beam above it, or rather suitable for adhering to the ground where the foundation is to be laid itself once the casting of the concrete has been carried out.
- the connecting bridge could have the form of a semi -tube along the opposite free sides of which the walls 21 of the two firewalls 20 were produced in a single piece.
- the cited semi-tube could present its own concavity either turned towards the two firewalls 20, or turned opposite the two firewalls 20, and in the second case it should have a rigidity such as to ensure the correct reciprocal positioning distance between the two firewalls 20 themselves and also such as to be able to collapse at the opportune moment under the weight of the concrete casting in order to permit, as has been stated several times, the transmission of the static load of the relative beam onto the ground where the foundation is to be laid.
- the spacing elements 30 can connect two firewalls 20 which face each other either in discontinuous fashion leaving the ground on which the foundation is to be laid in direct contact with the above-mentioned bearing beams, or in continuous fashion thereby completely isolating the bearing beams from the ground but, in both cases, still determining the reciprocal positioning distance between the firewalls 20 or rather between the modules M facing onto the same channel 2.
- FIGS 6 and 7 illustrate a unit 1' for the construction of slab foundations which is substantially similar to the unit 1 from which unit 1' differs as the spacers 30 are defined by a U-shape bar whose opposite extremities 32' are engaged inside a relative housing 23.
- the U-shaped bar 30 further comprises an intermediate portion 31' which links together the two opposite extremities 32' and which could also presents some saddles (not illustrated) which are able to house respective reinforcing elements F, such as bars or sheaths.
- the interconnecting elements 10 further comprises another U-shaped spacer 30' , whose opposite extremities 32" are engaged inside a respective housing 23' which are arranged at the top of each firewall 20.
- the U- shaped spacer 30' comprises an intermediate portion 31" which links together the two opposite extremities 32" and which could also presents some saddles (not illustrated) which are able to house respective reinforcing elements F, such as bars or sheaths.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Foundations (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2007331832A AU2007331832B2 (en) | 2006-12-12 | 2007-10-12 | Unit for the construction of slab foundations |
CA002671130A CA2671130A1 (en) | 2006-12-12 | 2007-10-12 | Unit for the construction of slab foundations |
US12/517,508 US20100146889A1 (en) | 2006-12-12 | 2007-10-12 | Unit for the construction of slab foundations |
NZ577245A NZ577245A (en) | 2006-12-12 | 2007-10-12 | Unit for the construction of slab foundations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2006A000879 | 2006-12-12 | ||
IT000879A ITTO20060879A1 (en) | 2006-12-12 | 2006-12-12 | UNIT FOR CONSTRUCTION OF PODS INSOLES. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008071249A1 true WO2008071249A1 (en) | 2008-06-19 |
Family
ID=38927727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/008883 WO2008071249A1 (en) | 2006-12-12 | 2007-10-12 | Unit for the construction of slab foundations |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100146889A1 (en) |
AU (1) | AU2007331832B2 (en) |
CA (1) | CA2671130A1 (en) |
IT (1) | ITTO20060879A1 (en) |
NZ (1) | NZ577245A (en) |
WO (1) | WO2008071249A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9222276B2 (en) | 2014-04-30 | 2015-12-29 | Larry Ellsworth Stenswick | Seismic isolation system |
WO2020181326A1 (en) * | 2019-03-11 | 2020-09-17 | The University Of Melbourne | Void former and modular formwork system |
WO2021043778A1 (en) * | 2019-09-02 | 2021-03-11 | Glavloc Build Systems Limited | A building raft foundation system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT517958B1 (en) * | 2016-02-18 | 2017-06-15 | Holcim Technology Ltd | Foundation for a wind turbine |
US20220145571A1 (en) * | 2019-02-01 | 2022-05-12 | Jan Gerhardus Ehlers | Floating Foundation |
US11441286B2 (en) * | 2019-03-16 | 2022-09-13 | Oscar Sotelo | Chair for supporting reinforcing elements |
CA3069704A1 (en) * | 2020-01-24 | 2021-07-24 | Ipex Technologies Inc. | Cast in place device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1237759B (en) * | 1963-04-06 | 1967-03-30 | 1001 Plastik G M B H | Stackable, hollow filler made of plastic for reinforced concrete rib ceilings or the like with a closed concrete soffit |
US3543458A (en) * | 1967-12-27 | 1970-12-01 | Kenneth E Guritz | Monolithic floor structure with air passages |
AT316821B (en) * | 1971-08-11 | 1974-07-25 | Katzenberger Helmut | Lost formwork |
EP0265262A1 (en) * | 1986-10-23 | 1988-04-27 | Nicola Leonardis | Improvements relating to building foundation form work |
US5540524A (en) * | 1994-06-07 | 1996-07-30 | Gonsalves & Santucci, Inc. | Concrete slab foundation and method of construction |
US6550207B1 (en) * | 1999-03-03 | 2003-04-22 | Valerio Pontarolo | Modular element for crawl spaces and floor structures |
EP1325991A1 (en) * | 2002-01-08 | 2003-07-09 | Dycore B.V. | Method for manufacturing a floor of concrete and shuttering slab for use therein |
WO2005061804A1 (en) * | 2003-12-23 | 2005-07-07 | The Australian Steel Company (Operations) Pty Ltd | Cavity former |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1329978A (en) * | 1919-01-28 | 1920-02-03 | Kuhne Paul | Concrete floor construction |
DE2111243A1 (en) * | 1970-11-18 | 1972-05-25 | August Keller | Spacer for concrete reinforcement |
US4831803A (en) * | 1986-10-23 | 1989-05-23 | Nicola Leonardis | Foundation form work |
NZ248782A (en) * | 1992-10-01 | 1996-08-27 | Fiberslab Pty Ltd | Building foundation: reinforcing placed in channels on spacers between foundation elements |
IT1305513B1 (en) * | 1998-07-03 | 2001-05-09 | Daliform S R L | MODULAR PREFABRICATED ELEMENT FOR BUILDING USE |
PT102332B (en) * | 1999-07-12 | 2012-07-09 | Antonio Francisco Febra | LOST MOLD ELEMENT FOR FUNGIFORM LAX CONSTRUCTION |
USD451611S1 (en) * | 1999-08-04 | 2001-12-04 | Pontarolo Engineering Srl | Modular elements with aeration for floors |
IT1315093B1 (en) * | 2000-05-16 | 2003-02-03 | Valerio Pontarolo | ACCESSORY FOR MODULAR SUPPORT AND AERATION ELEMENTS FOR VESPAI, SLABS, FLOORS OR SIMILAR BUILDINGS |
JP3817466B2 (en) * | 2000-11-29 | 2006-09-06 | キヤノン株式会社 | Non-contact atomic force microscope and observation method using the same |
US7281356B2 (en) * | 2002-09-27 | 2007-10-16 | Bowco Industries, Inc. | Modular bracket with selectable radius for supporting passage cores for concrete structures |
AU2005274371B2 (en) * | 2004-08-13 | 2010-11-11 | Bam Ag | Steel-concrete hollow bodied slab or ceiling |
US7828251B2 (en) * | 2004-10-22 | 2010-11-09 | Cantex, Inc. | Interconnecting alignment and support system with latching mechanism |
US7866114B2 (en) * | 2005-03-10 | 2011-01-11 | Juan Antonio Ferro De La Cruz | Support device for reinforcing members in concrete structures |
US20070199254A1 (en) * | 2006-02-28 | 2007-08-30 | Frano Luburic | Nestable structural hollow body and related methods |
US20080028718A1 (en) * | 2006-08-02 | 2008-02-07 | Erickson John A | Stackable rebar support chair |
EP2075387B1 (en) * | 2007-12-28 | 2014-07-23 | Cobiax Technologies AG | Module for manufacturing concrete components |
US8312687B2 (en) * | 2009-06-05 | 2012-11-20 | Michael Dean Yee | Support member for placing reinforcing bars |
AR073837A1 (en) * | 2009-10-29 | 2010-12-09 | Levinton Ricardo Horacio | CONSTRUCTION METHOD FOR MAKING LIGHT STRUCTURES, HOW TO BE Slabs, PRELOSES, PLATES, TABIQUES AND BEAMS, WITH RELIEFING DISCS AND BADS DESIGNED SPECIFICALLY FOR THIS METHOD |
-
2006
- 2006-12-12 IT IT000879A patent/ITTO20060879A1/en unknown
-
2007
- 2007-10-12 AU AU2007331832A patent/AU2007331832B2/en active Active
- 2007-10-12 US US12/517,508 patent/US20100146889A1/en not_active Abandoned
- 2007-10-12 WO PCT/EP2007/008883 patent/WO2008071249A1/en active Application Filing
- 2007-10-12 CA CA002671130A patent/CA2671130A1/en not_active Abandoned
- 2007-10-12 NZ NZ577245A patent/NZ577245A/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1237759B (en) * | 1963-04-06 | 1967-03-30 | 1001 Plastik G M B H | Stackable, hollow filler made of plastic for reinforced concrete rib ceilings or the like with a closed concrete soffit |
US3543458A (en) * | 1967-12-27 | 1970-12-01 | Kenneth E Guritz | Monolithic floor structure with air passages |
AT316821B (en) * | 1971-08-11 | 1974-07-25 | Katzenberger Helmut | Lost formwork |
EP0265262A1 (en) * | 1986-10-23 | 1988-04-27 | Nicola Leonardis | Improvements relating to building foundation form work |
US5540524A (en) * | 1994-06-07 | 1996-07-30 | Gonsalves & Santucci, Inc. | Concrete slab foundation and method of construction |
US6550207B1 (en) * | 1999-03-03 | 2003-04-22 | Valerio Pontarolo | Modular element for crawl spaces and floor structures |
EP1325991A1 (en) * | 2002-01-08 | 2003-07-09 | Dycore B.V. | Method for manufacturing a floor of concrete and shuttering slab for use therein |
WO2005061804A1 (en) * | 2003-12-23 | 2005-07-07 | The Australian Steel Company (Operations) Pty Ltd | Cavity former |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9222276B2 (en) | 2014-04-30 | 2015-12-29 | Larry Ellsworth Stenswick | Seismic isolation system |
WO2020181326A1 (en) * | 2019-03-11 | 2020-09-17 | The University Of Melbourne | Void former and modular formwork system |
WO2021043778A1 (en) * | 2019-09-02 | 2021-03-11 | Glavloc Build Systems Limited | A building raft foundation system |
Also Published As
Publication number | Publication date |
---|---|
NZ577245A (en) | 2012-07-27 |
AU2007331832A1 (en) | 2008-06-19 |
US20100146889A1 (en) | 2010-06-17 |
AU2007331832B2 (en) | 2013-08-01 |
CA2671130A1 (en) | 2008-06-19 |
ITTO20060879A1 (en) | 2008-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2007331832B2 (en) | Unit for the construction of slab foundations | |
KR100549649B1 (en) | Precast Tall Pier for Bridge | |
US7444788B2 (en) | Extruded permanent form-work for concrete | |
US4788809A (en) | Building foundation | |
EP2061937B1 (en) | Precast concrete building units | |
US4811537A (en) | Composite wall facing construction with apparent stones | |
KR101499767B1 (en) | Method of constructing arch-type bridge and bridge using same | |
NO303237B1 (en) | Prefabricated sandwich panels in concrete | |
KR101851557B1 (en) | Arch structure with reinforced arch rib segment and arch structure construction method therefor | |
US20020104279A1 (en) | Ledger mould for building a ledger | |
CN111379366A (en) | Hollow floor construction method adopting gypsum mold box and hollow floor structure | |
KR100948896B1 (en) | Continuous construction method of psc composite concrete girders by using a precast cross-beam | |
EP2102426A2 (en) | The possibility of special lightening, insulating and reinforcing intermediate floor constructions | |
CN111719409A (en) | Steel cap beam and concrete pier connecting structure | |
KR20090088479A (en) | Building wall utilizing sandwich panel | |
KR101308066B1 (en) | beam installation structure for reinforcement of self assembly tent | |
US20070113504A1 (en) | Insulated Concrete Form Blocks | |
CA1081987A (en) | Method for making a reinforced wall or foundation | |
KR100638165B1 (en) | Structure and Method for Fiber Reinforced Plastics Deck-to-Girder Simple Connections | |
KR102267643B1 (en) | Inverse Tee PSC Girder Prefabricated With Top Saddle PC blocks And Slab Construction Method Using Thereof | |
RU87182U1 (en) | REINFORCED CONCRETE FRAME OF MULTI-STOREY BUILDING OF ARKOS SYSTEM | |
JP4067793B2 (en) | Steel plate concrete reactor building | |
JP2003138520A (en) | Bridge girder structure | |
KR101708274B1 (en) | Integrated hollow bodies for void slab, void slim-floor and flat slab structure using the same | |
CN219808244U (en) | Assembled T-shaped cavity bent cap |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07818954 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007331832 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 577245 Country of ref document: NZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2671130 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2007331832 Country of ref document: AU Date of ref document: 20071012 Kind code of ref document: A |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07818954 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12517508 Country of ref document: US |