Formwork Systems
 

MevaDec

 

Slab Formwork System

Applications Features / benefits Product list
 

MevaDec Innovation - Formula 1

Form any slab with one and the same system: 
choose integrated or separate forming face

The MevaDec slab formwork system has revolutionised the was slabs - by far the largest are in concrete works - are poured. Most importantly, it covers three different forming methods in one and the same system, enabling the concrete contractor to form any slab without changing parts and without additional inventory. 
The slab formwork system is easily adaptable to

  • Building layout and type
  • Work flow requirements
  • Slab thickness
  • Level heights
  • Concrete mixture
  • Temperature and climate
  • Concrete finish

3-day-per-slab cycles proven on the world´s highest building, the Burj Khalifa. Since the slab formwork MevaDec is entirely crane-independent and is moved by hand, the system is predestined for high-rise and large-area slab works where crane time is limited or not available. The Burj Khalifa required minimum inventory and exceptional speed over 154 levels. With 0 re-facing down-times. And early stripping which leaves the backprop/rehosre in place while beams and panels are stripped for use on the next cycle. The slab fornwork MevaDec fared so well that Turner Corporation USA has deteremined the MevaDec method as the preferred way slabs should be formed. 

100% wood-free, all-plastic facing alkus

MEVA is the first formwork manufacturer to equip all its formwork systems with the pioneering all-plastic forming face “alkus“. Thus, all MEVA formwork systems produce a consistent high-quality concrete finish.

System components MevaDec

FEATURES BENEFITS
  • Panel width 40cm, 60cm and 80cm, panel length 80cm and 160cm; frames made of closed 2-chamber aluminium profi les; annealed, impact- and scratch resistant plastic coating
  1. Simple adaptation in 20cm increments – compensations arealways less than 20cm
  2. Torsion-proof, durable, low weight
  3. Less cleaning effort due to reduced concrete adhesion
  • Primary and secondary beam
  1. Rigid and torsion-proof
  • Prop with drop-head allows for early stripping
  1. Less inventory through repeated re-use
 

3 methods with one system MevaDec

FEATURES BENEFITS
Drop-head-beam-panel method (FTE)
  • Load-bearing system comprising primary beams and props with drop-heads
  • Grid-free placing and moving of panels in primary beam, over and beyond drop-head
  • Free changing of forming direction
  • Number of props determined by the system
     
  1. Simple assembly and stripping, low learning curve and shorter assembly time
  2. Simple, grid-free adaptation to building geometries
  3. Improved safety, avoids assembly errors, avoids superfluous props, fewer parts
  4. Few props required
Primary-and-secondary-beam
method (HN)
  • Load-bearing system comprising primary beams and props with drop-heads
  • Separate facing placed on primary and secondary beams
  • Free placing and moving of secondary beams in primary beams


  1. Free choice of facing
  2. Primary and secondary beams support separate facing
  3. Few props required
Panel-method
  • Without primary and secondary beam
  • Just two parts: panel and prop with prop-head
  • One prop-head for all applications, fits corner and edge; can even support the cross stiffener
  1. Ideal for buildings with small slab areas where early stripping offers no benefits
  2. Simple handling
 

Early Stripping MevaDec

FEATURES BENEFITS
  • Lowering of primary and secondary beam through patented drop-head system with uplift protection
  1. Easy and fast, reduces assembly errors
  2. Beams are held securely
  3. Reduces wear and tear, improves safety
  • Drop-head lowers by 19cm
  1. Fast, easy stripping
  • Props remain as reshores
  1. Safety and very short cycles
  • Panels and beams are ready for re-use in next cycle
  1. Less inventory, simple handling, cost-saving
 

Load Capacity MevaDec

FEATURES BENEFITS
  • 34cm thick slabs achievable with primary beam 210
  • 44cm thick slabs achievable with primary beam 160
  1. Fewer props leave more space for easy working
  2. Only one prop per 3.74m² with primary beam 210 (stand. appl.)
  3. Only one prop per 3.89m² with primary beam 160 (stand. appl.)
  4. Short cycles
 

All-plastic facing alkus

FEATURES
 		BENEFITS
  • No swelling or shrinking caused by moisture penetration
  1. No change in dimensions due to moisture; no rotting or fungal decay; durable
  2. Built in flush with panel frame; improved and consistently even concrete surfaces during the whole lifespan
  • Easy repair of scratches or drill holes etc. on-site with the same polypropylene material
  1. No downtimes through repairs
  2. Permanent availability of panels
  • Screwable and nailable without chipping off of top layer
  1. Can be treated like plywood
  • alkus is as durable as the panel frame
  1. No re-facing required; no disruption of construction process by downtimes
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MD-primary beam

MD-primary beamZoom
plastic-coated aluminium profile, MD-primary beams and MD-drop heads build the load-bearing system of MevaDec. The grooves are punched to reduce the cleaning effort.

MD-secondary beam

MD-secondary beamZoom
aluminium profile with plastic nailing strips on top and at the bottom, can be used in two ways: brown strip on top = secondary beam is hooked in between two primary beams (flush), grey strip on top = secondary beam is 21 mm below primary beams and panels.

MD-drop head

MD-drop headZoom
galvanized and partly powder-coated, with uplift protection. To lower MD-primary and secondary beams as well as panels by 19 cm, these can be stripped and re-used for the next pouring cycle. The slab remains supported by props with drop-heads (\"early stripping\"). Mounting to props: The MD-drop head is mounted to steel props (MD/ME) by means of two (2) bolts M12x35 and locking nuts M12, or to the aluminium outer tube of MEP-props by means of two (2) bolts M16x40 and locking nuts M16. The MD-drop head (pluggable) is attached to steel props (MD/ME) by means of a pin 14/90, or to the aluminium outer tube of MEP-props by means of a pin 14/135.

MD-prop head

MD-prop headZoom
galvanized and powder-coated, to support panels and secure them automatically against unhooking. The panels can be assembled from beneath or above the slab. Attachment to props: The MD-prop head is mounted to steel props (MD/ME) by means of two (2) bolts M12x35 and locking nuts M12, or with two (2) bolts M16x40 and locking nuts M16 to the aluminium outer tube of MEP-props. The pluggable MD-prop head is secured to steel props (MD/ME) with a pin 14/90, or with a pin 14/135 to the aluminium outer tube of MEP-props.

MD-panels

MD-panelsZoom
The frames of MD-panels are made of powder-coated, closed aluminium profiles, torsion-proof and easy to clean. Construction height 14 cm, frame profile width 22 mm. The MD-panels are standardly fitted with alkus GM 10 all-plastic forming face.

MD-compensation beam

MD-compensation beamZoom
plastic-coated aluminium profile with nailing strip, to support filler areas, suited for 21 mm forming face, for 27 mm forming face available upon request.

MD-assembly lock

MD-assembly lockZoom
galvanized, to tightly connect and align MD-panels and to clamp MD-compensation beams to MD-panels. Clamping length 4,4 cm.

MD-beam stiffener

MD-beam stiffenerZoom
galvanized, to secure cantilevering MD-primary beams against uplift (e.g. at slab edges).

MD-prop connector

MD-prop connectorZoom
galvanized, to support primary beams where no drop-head is used, e.g. for intermediate support, at walls and with cantilevering primary beams. Its integrated hammerhead screw permits attachment at the bottom of primary beams, the prop connector is provided with an eye to attach a tensioning chain for anchoring the slab formwork to the ground (e.g. at free slab edges).

MD-safety claw

MD-safety clawZoom
galvanized, to clamp planks to the bottom side of MD-primary beams. It also allows to attach a tripod to the aluminium outer tube of a MEP-prop.

MD-assembly stick 340

MD-assembly stick 340Zoom
galvanized, facilitates the assembly when applying the panel method, the panels are simply swung up and temporarily supported by the stick, we recommend to use two (2) sticks for a smooth assembly sequence, the stick has an adjustment range from 1,95-3,40 m.

MD-dismantling auxiliary

MD-dismantling auxiliaryZoom
galvanized, facilitates the stripping of MD-primary beams if these stick to the slab due to an increased concrete adhesion or inclined props.

Cleaning scraper

Cleaning scraperZoom
galvanized, with chisel. To clean the groove of MD-primary beams.

Spare blade for cleaning scraper

Spare blade for cleaning scraper
spare part (w/out illustration).

MD-cover profile 10

MD-cover profile 10Zoom
plastic cover, closes the gap between two MD-panels (only for drop-head-beam-panel [FTE] method). Length 1,50 m, packing unit: 10 pcs.

MD-support for guard-railing post / panel

MD-support for guard-railing post / panelZoom
galvanized, permits attachment of a guard-railing post at MD-panels and serves to form a stop end at the slab edge.

MD-support for guard-railing post / beam

MD-support for guard-railing post / beamZoom
galvanized, permits attachment of a guard-railing post at MD-primary and MD-secondary beams and serves to form a stop end at the slab edge.

Guard-railing post

Guard-railing postZoom
galvanized, is attached to the MD-support for panel or beam.

Railing clamp

Railing clampZoom
coated, can be clamped to all kind of beams or free slab edges. Railing height 100, h = 100 cm, clamping length 45 cm. Railing height 140, h = 140 cm, clamping length 50 cm.

MD-laser support

MD-laser supportZoom
aluminium, is attached at the bottom of MD-primary beams and allows levelling the slab formwork by one person.

Transport angle 14

Transport angle 14Zoom
galvanized, to stack and transport 5-12 MD-panels. Distance between holes 14 cm, max. load capacity = 10 kN per angle, for safety reasons consider 20 kN as maximum capacity for the whole stack. It is recommended to use two (2) foldable angles and two (2) angles of the rigid type for each stack.

Swivel-type castor 100

Swivel-type castor 100Zoom
Four (4) swivel-type castors 100 are required to move a stack of MevaDec- panels either with four (4) transport angles 14 or with the MD-transport rack. Load capacity per castor: 1 kN Total height of stack incl. castors: with transport angles 14 = 2,10 m with MD-transport rack = 2,45 m.

MD-piling rack on wheels

MD-piling rack on wheelsZoom
coated, stackable, to stack and transport MD-primary or MD-secondary beams. One piling rack can hold: 30 MD-primary beams 210 or 30 MD-primary beams 160 or 50 MD-secondary beams 160.

MD-transport rack

MD-transport rackZoom
galvanized, to stack and transport up to 14 MD-panels 160 x 80 cm. Two (2) transport racks can be stacked one upon the other (length/width/height: 175x82x232 cm).

ME-prop

ME-propZoom
galvanized, complying with the European standard EN 1065 (class E). The adm. load capacity is 30 kN at all extensions. Depending on their application with MEVA systems the load capacity varies (see Technical Instruction Manual for MevaDec).

MEP-prop with SAS

MEP-prop with SASZoom
The MEP-prop is a combination of steel inner tube and aluminium outer tube with T-groove to attach reinforcing frames. The SAS quick-lowering system allows the stress in the prop to be released with one strike of a hammer. After stripping the prop automatically resets and locks in the original position. According to the European Standard EN 1065 /class E) the props have a load capacity of: MEP 300: 40 kN independent from the assembly position. MEP 450: 20 kN independent from the assembly position, if assembled with the inner tube downwards the load capacity increases to 30 kN. Depending on their application the load capacity varies (refer to Technical Instruction Manual for MevaDec).

MD-prop

MD-propZoom
galvanized, complying with the European standard EN 1065 (class E). The adm. load capacity is 20 kN at all extensions. Depending on their application with MEVA systems the load capacity varies (see Technical Instruction Manual for MevaDec).

Forked prop head

Forked prop headZoom
galvanized, the forked prop head can be used instead of a drop-head to support a MD-primary beam at the beginning or the end of a beam row. The forked prop head 20 is also applied with formwork girders H20, the forked prop head 16 with MD-beams and formwork girders H16.

Pins

PinsZoom
galvanized, to attach MD-drop heads, MD-prop heads, forked prop heads etc. to props. The pin 14/90 is used if connected to steel tubes (up to Ø 63 mm), the pin 14/135, if connected to aluminium outer tube of MEP-props or -extensions.

Tripod

TripodZoom
galvanized, auxiliary to stabilize props of Ø 48-80 mm. The revolving legs of the tripod allow using it right in the middle of a room as well as along the wall or in a corner. It is attached to the aluminium profile of MEP props by means of a MD-safety claw.

Accessories for attaching

Accessories for attaching
to attach MD-prop heads or MD-drop heads to the props (w/out illustration).
 
 
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