WO2011070530A1 - Sistema de encofrado metálico graduable para estructuras en concreto - Google Patents
Sistema de encofrado metálico graduable para estructuras en concreto Download PDFInfo
- Publication number
- WO2011070530A1 WO2011070530A1 PCT/IB2010/055704 IB2010055704W WO2011070530A1 WO 2011070530 A1 WO2011070530 A1 WO 2011070530A1 IB 2010055704 W IB2010055704 W IB 2010055704W WO 2011070530 A1 WO2011070530 A1 WO 2011070530A1
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- WO
- WIPO (PCT)
- Prior art keywords
- panels
- metal
- formwork system
- panel
- allow
- Prior art date
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 94
- 238000009415 formwork Methods 0.000 title claims abstract description 92
- 239000002184 metal Substances 0.000 title claims abstract description 91
- 125000006850 spacer group Chemical group 0.000 claims description 35
- 230000002787 reinforcement Effects 0.000 claims description 17
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000001447 compensatory effect Effects 0.000 claims description 4
- 230000001404 mediated effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/10—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements without beams which are mounted during erection of the shuttering to brace or couple the elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/12—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring of elements and beams which are mounted during erection of the shuttering to brace or couple the elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/023—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions
- E04G13/025—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor with means for modifying the sectional dimensions with stiff clamping means bracing the back-side of the form without penetrating the forming surface
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/045—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by wedge-shaped elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
- E04G17/0651—One-piece elements
- E04G17/0652—One-piece elements fully recoverable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/075—Tying means, the tensional elements of which are fastened or tensioned by other means
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G2009/028—Forming boards or similar elements with reinforcing ribs on the underside
Definitions
- the present invention is related to a set of elements or parts that make up an adjustable metal formwork system for concrete structures in civil works and whose function is to allow the assembly, joining and adjustment of the formwork system in the most efficient way with
- the use of the adjustable formwork system seeks to use the least number of metal panels as accessories during the execution of a project. It also highlights the way in which each element presents characteristics of size and function specially defined to obtain a rigid structure, which allows the construction of the mold on which the concrete is emptied, maintaining its characteristics and performing said functions more quickly, efficiently and safe.
- This invention is related to metal formwork systems for emptying and molding concrete structures on site for the execution of civil works involving a number of elements such as metal panels, corners, angled laminated profiles, flaps, spacers, aligners. and pins that allow the formwork to be rigid in order to mold a predetermined concrete structure.
- Metal formwork are temporarily reinforced structures made up of elements and accessories with characteristics of size and function specially defined to obtain a rigid structure, which allows to build a mold on which the concrete that once has solidified is emptied, must be disassembled and removed to leave the molded structure in view with the pre-designed shape and features.
- the formwork panel is a metallic element used in the construction of civil works which acts as a basic part of the mold to shape a concrete structure. Its main feature is to be manufactured by several perforated metal sheets that allow you to add fasteners and fit when assembled with another panel with similar characteristics.
- Accessories are fabricated metal parts that allow the metal formwork to be assembled and adjusted.
- the most commonly used accessories are laminated profiles at right angles (corner angle), flaps, spacers, aligners, aligners and pins which in turn are made up of elements with special shapes and characteristics that allow their correct operation at the time of assembly of the metal formwork.
- US Patent 2,019,195 has the difficulty in tightening its yokes used as spacers, because a tensile force in the yoke is required on each of its sides of the formwork to give the mold panels separation, in addition not the yoke can be removed without damaging the molded structure since it has no grip, and the molded structure does not maintain uniform thickness because It depends on the force with which it is tightened.
- the present invention uses a panel that on its flat surface has equidistant and collinear perforations transversely and not only in its perimeter but along the inside of the panel, which allows using a single panel to mold different geometric structures without using other larger or smaller molds as would be required with the invention of US 2.01 9, 1 95.
- the spacers of the new application use an element that at one of its terminations has two flat surfaces and a hole, and in the other end its tip is threaded to receive another element also threaded that has its own key to screw.
- This new patent only requires a single tensile force using the key to assemble the spacers and not two tensile forces, and also has its own hook to remove the spacer once the structure is molded using the termination hole that has the two flat surfaces and the hole.
- US 2 107 427 whose inventor is Albert J. Schwarzler, this type of formwork seeks to maintain a structure through anchoring.
- the new application does not require anchoring in the floor, it is also portable and adjustable hand.
- the new application uses a stopper spacer system that uses four elements, a rod with threaded termination at one of its ends and a termination with two flat surfaces and a hole at its opposite end, conventional hook to remove the rod, a third threaded element that presses the termination of the rod and at its other end has a smooth surface (quadrant) that allows the coupling of a key that bolts the spacer system, and a fourth element called spacer adjustment key.
- the spacer of the new patent avoids that it has to be adjusted on each side of the mold by means of pins, since it is only required to screw it to the top on one side with its key, also keeping the molded structure always with uniform thickness which does not It happens with previous technologies.
- the Colombian patent 03-1 00558 cannot be graduated to create structures or figures smaller than the length of its panel, to create each structure a panel with the appropriate dimension is required.
- the present application has the possibility of being adjustable to create shapes smaller than the size of the panel, and graduated formwork can be created in columns, beams, walls, slabs, channels or ditches using a conventional wedge pin that fits in the multiplicity of holes collinear that has on the smooth side of the system panel of the present application.
- the present application presents two types of aligner holder one in the form of "J” that adjusts the aligner in an agile and safe way improving the molding in the joints of the panels.
- the other in the form of "Y” also compatible with the system and which can also be adapted to any existing formwork system in order to correct or improve alignment especially in formwork systems that show wear in the perforations used to align or fatigue in your accessories.
- the drawback presented by the previous technology lies in the impossibility of using the same panels and / or elements at different measures and functions because they are manufactured to fixed measures and specific functions, the previous technology has no elements to graduate the panels according to the structure to mold.
- Formwork systems have the technical problem of mismatch when flat spacers are secured by means of pins or the problem of damaging the structure or difficulty of decoupling when using yokes or threaded spacers such as those existing in the state of the art.
- flat ties are used such as those used by Efco, Symons, Forsa, WTF and Formesan; presenting, very often, an inconvenience since these are being flat and thin are deformed when interacting with the rods of the wall to be melted being dispense and in some cases impossible to extract them from the walls already set. Due to the force extraction process with heavy devices (extractor hammers) that increase or deform the hole provided for this purpose, they also make these ties or spacers in their next uses result in an increasingly wide wall affecting budgets .
- the corners are used in multiple systems worldwide to fixed measures forcing the user to complete walls with small parts to compensate for the final measure as Unispan - Efco - Symons - Doka - Formesan - Westerm - Forms - WTF- Forsa- in addition to have to use them always and only as corners in internal walls that form 90 degrees.
- Unispan - Efco - Symons Doka - Formesan - Westerm - Forms - WTF- Forsa- in addition to have to use them always and only as corners in internal walls that form 90 degrees.
- the problem arises that when combining corners with narrow panels in the internal corners, the position of the formwork is displaced by deforming the final wall.
- the present patent application solves problems of adjustment of existing formwork systems, allows the graduation of modules to form different structures with square, rectangular, walls, beams, columns, or channels and does not damage the molded structure when removing a spacer with threaded adjustment stop at one of its ends.
- a "J" shaped aligner holder preferably horizontal alignment
- the present invention aims to make known a system of adjustable metal formwork for concrete structures that allows the formation of molds in civil works, which has the necessary elements and accessories to achieve structure quickly, reliably and safely. molds with the characteristic that their parts and accessories are adjustable, multifunctional and adaptable to other systems allowing to correct, improve and speed up the work on site.
- the formwork system presented is mainly made up of the metal panel, the adjustable corner, the laminated profile at right angles, the profile with welded pins, the pin, the spacer, the aligner, aligner holder and the pins, the panel being metallic the main element and the remaining accessory parts since its use must guarantee the rigidity, alignment and positioning of the structure that you want to mold, also varying in the number of pieces required of each accessory within the system.
- the remaining parts called accessories have shapes and functions that allow rigidity, alignment, positioning and graduation to the metal formwork.
- the invention requires the use of some accessories already known in the market as the pin accessory (pin-wedge), but used to achieve the multiple graduations as well as securing the panels in any position, the accessory key that allows to ensure the lateral union and the fixation of the metal panels, the corner angle that allows adjacent turns of panels, the box-shaped aligner and the pin-shaped pin of "L”, the other accessories present, creations and important variations to achieve maximum utilization speeding up the work of assembling formwork with great safety, precision and economy.
- the pin accessory pin-wedge
- the panel is a new metallic element used in the construction of civil works, which acts as a basic mold to shape a concrete structure.
- the new panel has a certain number of perforations which vary diametrically to allow the coupling of the accessories, when the formwork structure begins to be formed by placing the panels next to each other, adjacent or opposite.
- the new panel has equidistant perforations in its flat part for the passage of the spacers, these perforations also allow the longitudinal graduation of the formwork at the time of assembly, a technical solution of the system with respect to the current formwork.
- the panel is structured by means of perimeter metal bands perforated transversely along its surface and angles in the form of "L" as reinforcements and where collinear holes are found that cross the smooth part of the formwork panel.
- the adjustable corner is an element at right angles to (90 Q ) that allows us to turn inside the walls, which also has equidistant holes in its flat faces which allow a metal panel perpendicular to one of its faces to rotate using only the pin-wedge accessory for adjustment and graduation, thus achieving several combinations and measures equal to or less than the maximum, forming with it, not only one but two angles at 90 Q simultaneously with a minimum of accessories for its adjustment.
- the system has a straight profile at right angles (90 Q ) that has the function of allowing the rotation of adjacent panels perpendicularly, located in the outer corner.
- This smooth profile has equidistant holes of two different diameters, to have the possibility of choosing the joint and adjustment system (pin or wedge) depending on the pressure that the formwork will exert in its use
- the profile with equidistant welded pins acts as a base to assemble a corner to the required size, being this modular, when interacting with two metal panels of the system regardless of its dimensions, when using this custom corner we avoid using small completes when turning internal and external at 90 Q , pieces that due to their size manage to deform the walls in these turns which can later be disassembled to use their components in other functions such as wall run (the 2 panels), and the profile with welded pins also acts as an outer corner angle allowing adjacent external turns, which were only achieved with the use of corner angle.
- the spacers for the separation of the metal panels facing a required distance with which the width of the concrete wall to be molded is defined have a stop, a smooth face to withstand tensile force and a threaded termination at one end only. adjust by thread that also has a stop so we only adjust this to the side of the formwork speeding up the operation and ensuring the uniformity of the structure, since these when installed or removed do not suffer deformations.
- the aligner is an element that allows the panels to be aligned when they are placed next to each other and ensure that when the concrete is emptied the structure does not run and loses its continuity.
- the pin-wedge accessory is required to secure the panels in any position as well as the cotters, the pin-wedge being the fundamental element for ensure the new system that allows the graduation and rotation of the intermediate panels that make up the adjustable formwork system.
- Figure 1 shows a perspective view of the assembly of the adjustable system to form a concrete block.
- Figure 2 is a perspective view of the position of the metal panel to form a wall.
- Figure 3 is a perspective view showing the metal panels displacing the position of the panels to intermediate adjustable joints fixed by means of the pin-wedge.
- Figure 4 shows the metal panel in perspective from its front part where the collinear transverse holes are observed that allow the graduation of the system.
- Figure 5 shows the metal panel in perspective from the back that shows the reinforcements in the form of the "L" that support the transverse holes for graduation.
- Figure 6 is a top view of a column formwork in normal position with four panels in maximum dimension using four corner angles.
- Figure 7 It is a top view of the formwork with displacement for graduation of the panels varying their dimensions.
- Figure 8 is a view of all the elements that allow the graduation of the system as well as the joining and alignment of panels.
- Figure 9 is a profile view with welded pins that allows internal and external turns of panels as a base to create custom corner bars.
- Figure 9.1 shows the assembly of the removable outer corner using the profile with welded pins from its top view
- Figure 9.2 shows the disassembly outer corner assembly using the profile with welded pins with a perspective view and detailing the pin securing
- Figure 9.3 shows the disassembly corner assembly using the profile with welded pins with a perspective view where an inner corner is formed.
- Figure 9.4 shows the disassembly corner assembly using the profile with welded pins from its top view for an internal corner.
- Figure 10 is a perspective view of the abutment spacer fitting that sets the thickness of the structure to be molded.
- Figure 1 1 is a perspective view of the aligner.
- Figure 1 2 is a perspective view of the jack-shaped screw "J" that is part of the system alignment assembly.
- Figure 13 is a perspective of the adjusting nut of the alignment assembly for the "Y" shaped or "J" shaped log.
- Figure 14 is a perspective view of the pin pin.
- Figure 15 is a wedge perspective for the pin pin.
- Figure 16 is a perspective view of the right angle profile and its multiple perforations and holes aligned with different diameters.
- Figure 1 7 shows the adjustable corner that allows the rotation of the conformation of structures such as columns, overhangs and other structures other than blocks and uniform walls which can be graduated when interacting with panels.
- Figure 1 8 shows a formwork that allows the conformation of a corner of an "L" shaped wall using the corner and corner corner.
- Figure 19 shows a formwork that allows the formation of a wall in the form of a "T" using the corners.
- Figure 20 shows the configuration of the adjustable corner in a formwork that allows the conformation of a wall with two thicknesses in its length.
- Figure 21 shows the configuration of a formwork that allows the formation of a wall with a column using two corners of the system (conventional mode, without graduation).
- Figures 22 and Figure 23 show the configuration of a formwork that allows the conformation of a wall with a column of different width that uses the corner of the system in its possibilities of graduation.
- Figure 24 shows the configuration of a formwork that allows the conformation of a wall of the same thickness with the use of adjustable corners using them as formwork with the measure of one of its faces.
- Figure 25 shows another accessory, the aligner which can be used with the box-shaped aligner in any hole in the system held by the pin pin.
- Figure 26 shows the assembly of the accessory for adjusting the aligner with the "Y" shaped eyeliner.
- Figure 27 shows the accessory assembly for aligner adjustment with the "J" shaped adjusting nut.
- the metal panel (1) is located laterally, adjacently and frontally to others with the same characteristics. Once located, they are secured and aligned with the flap (2) and the stopper spacer (3) shown in Figure 2, when concrete walls are formed. Finally, the aligner (4) is located by adjusting it to the structure by means of the "J" shaped screw (42) and the adjusting nut (46).
- the right angle profile (5) is an accessory that allows you to rotate and splice an adjacent form by changing the continuity of the structure.
- the pin pin accessory (7) - wedge (6) allows to secure the metal panels (1) when they are placed in any position that you want to graduate.
- Figure 3 shows the displacement of the metal panels (1) when it is necessary to assemble a formwork in which it is desired to vary the dimensions of the concrete column and the way in which the pin (7) wedge (6) accessories act to secure the panels in their multiple graduations.
- a perspective view of the metal panel (1) can be seen on its front face formed by a smooth metal sheet (8) with equidistant transverse perforations (9) on its surface which allow multiple graduations depending on the edge (10), (1 1) selected, varying its length with respect to the first perforation (9) near each edge (10), (1 1) perpendicular to form the formwork.
- the metal bands (12), (13) allow to frame and in turn structure the metal panel (1), said bands have equidistant perforations (14), (15) along of its surface.
- Figure 5 shows the perspective view of the rear face of the metal panel with the reinforcements (1 6) which are angles in the form of the "L” welded transversely that have collinear perforations (17) that align with the perforations (9) of the smooth metal sheet (8).
- Another feature of the reinforcements (16) are the perforations (65) that receive the "J" aligner-shaped screw in an upright position and the grooves (18) that allow the passage of wedges (6) that secure pin pins ( 7).
- the metal bands (19) are longitudinally welded vertical reinforcements on the inner face of the metal panel (1) which have perforations (20) that align with the perforations (14) of the metal band (13).
- the element (22) is a rod welded to the metal bands (19) that allows the operator to manipulate the metal panel (1).
- Figure 4 shows the distribution of the front perforations (9) in the smooth part of the panel (1) that allow seventy-seven possibilities of outdoor graduation, twenty-three combinations in countermuro at one hundred and eighty degrees - 180 s and twelve combinations in countermuro at ninety degrees - 90 Q , when each panel is graduated with the different perforations (9).
- a total of one hundred and twelve possibilities are obtained using four panels of 60 cm wide section and their equidistant perforations every 10 centimeters as their respective accessories.
- the panel measurement (1) would be decreasing in multiples of ten centimeters whose measurements obtained are: 55 centimeters, 45 centimeters, 35 centimeters, 25 centimeters, 1 5 centimeters and 5 centimeters. With these two graduation options we can obtain the multiple combinations, (note that from the edge (1 0) we decrease by 10 centimeters and from the edge (1 1) by 5 centimeters.
- plastic plugs that are common in the market are used. Which fill the holes guaranteeing uniformity in the finishes.
- Figure 6 highlights the basic conformation of a formwork with four metal panels (1), geometrically generating a square of equal sides, this configuration can be modified longitudinally using the corner angle (5) in these corners pinned and secured by the keypad or the pin (7), wedge (6).
- This configuration is possible by the perforations (9) as shown in Figure 7; due to the multiple perforations (9) of the smooth metal sheet face (8) of the metal panel (1), and the perforations (14) of the metal bands (1 2), (1 3) and being able to achieve multiple measures of formwork with only four panels by means of adjustments in the accessories.
- a pin is used that is made up of a folded sheet with an obtuse angle and a groove to its middle section in the form of a "V", which allows guiding and fitting the shoe, securing the metal bands of the metal panels to join with the tongues of the pin and avoid its axial movement.
- One of the tabs has a double at right angles that allows the sheet to act as a reinforcement on the rod welded to the pin. The doubles on the rod forms a right angle to give the hook shape. Finished its path after double the rod has a conical shape that allows you to easily locate the pin in the hole of the metal bands.
- FIG 8 shows the elements that allow the conformation of the system.
- the screw (60) forms a new grip system, which allows it to be quickly installed by means of the keypad and is in turn joining the panels allowing us to position the aligner (4) to be adjusted by the adjusting nut (46).
- the screw (60) is an accessory that also serves any type of formwork that joins and aligns with holes and a conventional aligner.
- the holes (20) as they are located in the vertical and horizontal formwork reinforcement profiles allow the location of aligners for joining formwork vertically and horizontally, and also allow intermediate grip when no hooks can be made at the ends of the panel.
- Figure 9 shows the profile with equidistant welded pins (58) that allows the joining of two perpendicular panels (1): external as corner angle, and internal angles as corner.
- Figure 9.1 and Figure 9.2 show profile views with welded pins, replacing the corner angle on the outside where we use internal contact faces.
- Figure 9.3 and Figure 9.4 show profile views with welded pins as the basis for the conformation of a corner to the required extent where we use external contact faces.
- Figure 10 shows the stopper spacer accessory (3) which is composed of three elements, a partially threaded rod (32) on which a nut (33) fits, said nut has the characteristic of having a stop guide (34) which guarantees the predetermined width of the wall for adjustment at the time of assembly by means of the key (35).
- a plate (36) At the opposite end of the thread of the rod (32) is a plate (36) that acts as a stop when it is inserted into the hole (9) of the metal panel (1).
- the plate (37) welded perpendicularly on the plate (36) is perforated with a hole (38) that allows the distance accessory (3) to be easily removed when the formwork structure is disassembled.
- the stopper spacer accessory (3) with circular, rigid, steely and smooth section on its rod, guarantees the thickness of the wall when it is tightened thanks to its calibration with a stop (36) that carries at one of its ends, consisting of two plates that work as a stop (36) to be inserted into the hole (9) of the first panel.
- a stop (36) that carries at one of its ends, consisting of two plates that work as a stop (36) to be inserted into the hole (9) of the first panel.
- a thread (32) at the tip which will be completely covered by a nut (33) that at one end is completely covered acting this nut (33) also as a stop when adjusted totally after crossing the second panel leaving the panels facing exactly the required distance which will finally be the uniform width of the wall.
- This spacer (3) guarantees the uniformity of the width of the walls throughout the project as well as the removal of all the spacers easily and without deforming the wall, for this purpose we rely on the adjustment wrench (35 ) and the extractor hook that is inserted into the hole (38).
- the alienating box accessory (4) presented in Figure 1 1 for adjustable system is composed of the crossbar (39) which is a set structured by rectangular tubes (40) and reinforcement plates (41) which in turn act as spacers between the rectangular tubes (40) to allow the passage of the "J" shaped screw (42) presented in Figure 12.
- Said screw is bent at an obtuse angle (43) to give it a hook shape and allow the end (44) is introduced into the hole (14) of the metal band (1 2) and (13) as well as in its intermediate transverse reinforcement bands.
- the opposite end (45) of the screw (42) is threaded to the middle section.
- the adjusting nut (46) presented in Figure 13 is composed of a washer (47) welded to an internally threaded cylinder (48) of equal characteristics to the "J" shaped screw (42) and a welded rod (49) transversely allowing manual adjustment of the adjusting nut (46).
- the aligner (4) is adjusted with two elements that are always attached and pre-assembled, that is, the "J" (42) or "Y” (60) jack-shaped screw and the adjusting nut ( 46).
- the screws (42) and (60) are tightened by means of the adjusting nut (46) that has an internally threaded cylinder in its center that receives the thread (45) or (62) of the screws (42) or (60) ) and rotates by means of the transverse welded rod (49) that allows manual adjustment of the nut (46).
- the problem solved by the alignment assembly lies in the amount of operations that must be performed to mount the accessories on the metal panels and ensure the firmness of the structure.
- the alignment assembly presents a new option in the alignment operation of the adjustable metal formwork system using a piece that allows interacting with the accessories such as the crossbar (4), the adjusting nut (46) and the keyway.
- Said piece can be described as a locking and fixing screw in which at one of its ends it is shaped like a "J" shaped screw (42) or a “Y” shaped screw (6) to engage in the perforations of the metal bands and reinforcements of the metal panel or be secured by the pin to subsequently mount the crossbar and adjust with the nut (46) until the structure is made continuous by the function of the aligner (4), the hitch screw ( 42) or screw (60) and adjusting nut (46).
- the double aligner can be like the one currently used in companies such as: Doka, Symons or Fermar and between this element the new "J" (42) or "Y” (60) shaped screw can be introduced that acts as aligner holder and consisting of two pieces, the screw (42) or the stem (60) of figure 27 and figure 26 respectively and where the adjusting nut (46) is observed assembled and also shown in figure 13.
- the adjusting nut (46) complements the operation of the screw (42) or the trunk (60), which enters through the intermediate slot (39) of the aligner (4) by hooking the formwork into any hole located vertically or horizontally arranged for the accessory aligner holder the screw (42) or the log (60); in this way, not only does the aligner (4) be quickly adjusted with the nut (46), but also the forms are also against the aligner (4) in such a way that the joints or joints between panels (1) are improved to obtain a better finish of the structure made.
- Figure 14 shows the perspective detail of the pin pin (7) which is constituted by the head (50) of greater diameter, a step (51) characterized by giving a stop or distance between the metal panel (1 ) the right angle profile (5) and the wedge (6) of Figure 1 5 at the time of assembling said elements.
- the pin pin has a groove (52) centered along the cylindrical shape (53) of the pin pin (7) whose function is to allow the passage of the wedge (6) and a conical termination that allows the pin to be easily guided pin into the holes (9) and (14) of the panel (1) and the holes (56) of the right angle profile (5).
- the wedge (6) shows a concave shape (55), whose purpose is to facilitate its location during assembly by the operator.
- Figure 16 shows the right angle profile (5) whose perforations (56) and (57) are aligned with the perforations (14) and (1 5) respectively of the metal panel (1) and whose main function is to allow the rotation of the panels when it becomes necessary to change the continuity of the formwork.
- Figure 17 shows the accessory to allow rotation and graduation when interacting with panels in a adjustable metal formwork system.
- the accessory of Figure 17 has as main feature to allow the rotation of the metal panels when the structure changes direction, or the shapes and dimensions of the projected structures, forcing an additional element that can be easily adapted to the system to be adapted.
- the corner (59) is an accessory whose main characteristic is to form one or two right angles and have multiple perforations (68) that facilitate the adaptation and graduation of the accessory elements that are part of the adjustable metal formwork system for concrete structures and have the perforations (66) and perforations (67) that can also be aligned with the perforations ( 14) and perforations (1 5) of the panel (1).
- the corner is an element that allows the rotation of metal panels when their continuity is lost.
- the corner fixture is a piece that must be easily adapted to meet the conditions in which the adjustable metal formwork system currently operates when right angles are formed or when the dimensions of said panels fail to fully cover the required dimensions of concrete structures. That is adjustable.
- a smooth profile (58) with welded equidistant pins (64) of Figure 9 that fit exactly in the holes (14), close to the grooves (18) of the panel ( 1) to be secured by wedges (6).
- the smooth profile (58) with welded pins (64) acts as the basis of a new corner, which can be assembled by fitting it in the perforations (14) of the bands (1 3) of two metal panels (1).
- the profile with welded pins (58) allows a corner to be assembled as in figure 9.2, formed by two panels to the exact size required without the need to complete with compensatory parts as with other systems of formwork And this can then be disassembled to use its components in another operation.
- the smooth profile with welded equidistant pins (58) of Figure 9 acts as the basis of a new corner as seen in Figures 9.1 and Figure 9.2; which can be assembled by fitting in the corners of each module (1).
- the profile with welded pins (58) allows you to assemble a corner formed by modules that make up panels to the required size and which can then be disassembled to use its modules in pieces for another operation, such as molding in joints and folds to the right size without Need to complete with compensatory parts as with other formwork systems.
- Another accessory that allows the alignment of the aligner (3) is the screw (60) that has two tabs (61) that join the metal bands (13) of two formwork modules.
- the screw (60) can be adjusted by means of the adjusting nut (46) that receives the threaded termination (62) that fits up to the internal stop of the thread so that the thickness of the structure to be molded is uniform when tightened.
- the hole (63) of each of the tabs (61) allows the passage of a pin that secures the screw (60) to the side walls of the panel.
- Figure 25 shows the "Y" shaped aligner holder screw (60). It forms a new grip system in vertical or horizontal position, which allows intermediate grip in perforated reinforcements. When no hooks can be made on the ends of the panel (1), speeding up and correcting this operation in multiple formwork systems in a safe way.
- Figure 26 shows the accessory and aligner holder screw mounting Y-shaped (60) that allows the alignment of the aligner (4) in this system.
- Figure 27 shows the operation of the "Y" shaped aligner holder screw, but with a "J" shaped aligner holder screw (42.).
- the Y-shaped "Y” aligner holder screw (60) has two tabs (61) that join the metal bands (13) of two formwork modules (1).
- the screw (60) is adjusted by means of the adjusting nut (46) that receives the threaded termination (62).
- each of the tabs (61) allows the passage of the pin of the flap that secures the screw (60) and the aligner (4) to the lateral parts of the panel, guaranteeing in the procedure to bring all the lateral bands (1 2) and lateral band (1 3) of the panels (1) towards the aligner (4) maintaining a good alignment and finishing of walls.
- This procedure can be done by replacing the pin with the "L" shaped pin (69) of Figure 8, to use this alignment system in any formwork system in a vertical or horizontal position, regardless of size or shape of the perforations of their bands or reinforcements.
- the present invention guarantees a better use of each of the elements that make up a system of metal formwork, which contribute to expedite operations in the process of molding concrete in civil works constructions, guaranteeing better finishes, as well as reducing the amount of parts and accessories required in the execution of a project.
- metal panels adjustable to any size, adjustable corners that in turn decrease the amount of accessories used for adjustment a profile with welded pins that acts as a base to form a custom corner, which can also be used as corner corner, a tie tie that guarantees the uniformity of the walls throughout the project and a fast and safe alignment system that guarantees better finishes, which can also be used in any existing metal formwork system.
- the present invention guarantees a uniform width of wall segments due to its stopper spacer accessory, allows the formwork to be shaped for irregular structure molding with the use of a profile with equidistant welded pins and collinear transverse perforations on the front of each One of the modules. It also solves the problems of molding columns and extrusions with the corner fitting adaptable to the formwork modules, and has its own adjustment elements with stop for alignment that facilitate assembly, width and uniformity in the structures.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
- Retaining Walls (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/511,125 US9068363B2 (en) | 2009-12-10 | 2010-12-09 | Adjustable metal formwork system for concrete structures |
CN201080036843.7A CN102510927B (zh) | 2009-12-10 | 2010-12-09 | 混凝土结构的可调节金属模板系统 |
MX2012006451A MX341858B (es) | 2009-12-10 | 2010-12-09 | Sistema de encofrado metalico graduable para estructuras en concreto. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CO09141278A CO6290099A1 (es) | 2009-12-10 | 2009-12-10 | Sistema de encofrado metalico graduable para estructuras en concreto |
CO09-141278 | 2009-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011070530A1 true WO2011070530A1 (es) | 2011-06-16 |
Family
ID=44145159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2010/055704 WO2011070530A1 (es) | 2009-12-10 | 2010-12-09 | Sistema de encofrado metálico graduable para estructuras en concreto |
Country Status (6)
Country | Link |
---|---|
US (1) | US9068363B2 (es) |
CN (1) | CN102510927B (es) |
CL (1) | CL2012001458A1 (es) |
CO (1) | CO6290099A1 (es) |
MX (1) | MX341858B (es) |
WO (1) | WO2011070530A1 (es) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102433986A (zh) * | 2011-08-23 | 2012-05-02 | 杨元东 | 一种多功能截面可变模板 |
CN102635230A (zh) * | 2012-05-17 | 2012-08-15 | 福建莆田鸿达牧业有限公司 | 大型沼气池体的浇筑模板及浇筑方法 |
CN102635230B (zh) * | 2012-05-17 | 2015-12-16 | 福建莆田鸿达牧业有限公司 | 大型沼气池体的浇筑模板及浇筑方法 |
WO2014048909A1 (en) * | 2012-09-28 | 2014-04-03 | Harsco Infrastructure Services Gmbh | Wall formwork with optional anchor point |
CN109025271A (zh) * | 2018-08-16 | 2018-12-18 | 上海建工七建集团有限公司 | 型钢混凝土组合劲性结构模板支撑体系及其施工方法 |
CN109235871A (zh) * | 2018-08-31 | 2019-01-18 | 中建八局第三建设有限公司 | 变截面结构铝合金模板施工方法 |
CN109235871B (zh) * | 2018-08-31 | 2021-03-19 | 中建八局第三建设有限公司 | 变截面结构铝合金模板施工方法 |
US12018501B2 (en) | 2018-12-17 | 2024-06-25 | Basf Se | Formwork system, comprising a form lining, on the rear side of which at least one molding element is attached |
WO2020126913A1 (de) * | 2018-12-17 | 2020-06-25 | Basf Se | Schalungssystem umfassend eine schalhaut, auf deren rückseite mindestens ein formelement angebracht ist |
CN110725540A (zh) * | 2019-10-21 | 2020-01-24 | 徐州鑫固钢模有限公司 | 一种伸缩加强建筑钢模板 |
CN114482522A (zh) * | 2022-01-06 | 2022-05-13 | 陕西首铝模架科技有限公司 | 新型四槽铝模拉片体系标准墙板 |
CN115492377A (zh) * | 2022-09-20 | 2022-12-20 | 中建八局第一建设有限公司 | 一种用于混凝土空心柱施工的可拆卸模板体系 |
CN115492377B (zh) * | 2022-09-20 | 2023-08-11 | 中建八局第一建设有限公司 | 一种用于混凝土空心柱施工的可拆卸模板体系 |
CN116290745A (zh) * | 2023-04-12 | 2023-06-23 | 中交一公局集团有限公司 | 一种可调节式加固构件 |
Also Published As
Publication number | Publication date |
---|---|
US9068363B2 (en) | 2015-06-30 |
CN102510927B (zh) | 2014-07-23 |
MX341858B (es) | 2016-09-05 |
MX2012006451A (es) | 2012-06-28 |
CL2012001458A1 (es) | 2012-11-23 |
CO6290099A1 (es) | 2011-06-20 |
US20120286134A1 (en) | 2012-11-15 |
CN102510927A (zh) | 2012-06-20 |
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