Slab Formwork Navigator

The MEVA slab formwork navigator shows you how the MevaDec system solves a range of slab challenges. It also guides you to safety solutions and helps you select accessories

The Kegelhof mill project in Munich is a building with many different slab tasks to be mastered efficiently: large slab areas, different layouts, slab connections to straight, curved and oblique walls, rectangular and acute or obtuse-angled corners, openings for columns and other challenges. We have chosen this slab project to show you how to solve different slab challenges by using the slab formwork navigator. Simply click onto a plus sign in the slab plan and the navigator will guide you to a description of the slab task with links to more information.  

Safe work

Occupational health and safety regulations in most countries require complete worker protection from a working height of 2 m. You are required by law to provide safety access, working platforms and fall protection. 

MEVA safety systems and accessories allow you to equip your construction site and the formwork employed with the required safety features. The modular systems allow you flexible choice of the most suitable compilation. 

 

Slab plan, Kegelhof project

Slab plan, Kegelhof project
more about slabs at straight walls

Slabs at straight walls

Slabs at straight walls
more about slab openings around columns

Slab openings around columns

Slab openings around columns
more about slabs inside shafts

Slabs inside shafts

Slabs inside shafts
more about ceiling offset

Ceiling offset

Ceiling offset
more about 90° corners

90° corners

90° corners
more about acute or obtuse-angled corner

Acute or obtuse-angled corner

Acute and obtuse-angled corners
more about concrete beam

Concrete beam

Concrete beam
more about slanted slabs

Slanted slabs

Slanted slabs
more about slab connection to oblique walls

Slab connection to oblique walls

Slab connection to oblique walls
more about prop-panel connection without drop head

Prop-panel connection without drop head

Prop-panel connection without drop head
more about slab connection to curved walls

Slab connection to curved walls

Anschluss an runde Wand
more about fall-down protection at slab edges

Fall-down protection at slab edges

Fall-down protection at slab edges
 
 
 
 

Possible applications
at a glance

Slabs at straight walls
Slab connection to oblique walls
Slab connection to curved walls
Slab openings around columns
90° corners
Acute or obtuse-angled corner
Slabs inside shafts
Prop-beam connection without drop head
Concrete beam
Slanted slabs
Fall-down protection at slab edges
Ceiling offset
Detail: Slabs at straight wallszoom

Place the MevaDec panel (1) directly at the wall and use H20 beams (2) and props (3) to support the MevaDec panel. Make sure to adjust the height of the prop to the height of the props with drop head.

Slabs at straight wallszoom
 
Detail: Slab connection to oblique wallszoom

Oblique, i.e. non rectangular filler areas: Slide an MD compensation beam (3) into the primary beam and place props with an H20 beam (4) along the wall. Place the facing (2) for the filler area onto the MD compensation beam and the H20 beam.

Other filler areas: Use H20 beams and a facing cut to size. Depending on the width of the filler area, the spacing of the H20 beams may be limited to max. 50 cm.

(1) MevaDec panel
(5) Prop with drop head

Slab connection to oblique wallszoom
 
Detail: Slab connection to curved wallszoom

Areas with curved walls: Slide MD compensation beams (3) into the MD primary beams and place props with H20 beams (4) along the curved wall. Place the facing (2) for the filler area onto the MD compensation beams and H20 beams. Use several short H20 beams for wall curves with a small radius.

Other filler areas: Use H20 beams and a facing cut to size. Depending on the width of the filler area, the spacing of H20 beams may be limited to max. 50 cm.

(1) MevaDec panel
(5) Prop with drop head

Slab connection to curved wallszoom
 
Detail: Slab openings around columnszoom

Place MevaDec seondary beams (2) between the MevaDec panels around the opening and close the opening with a facing cut to size (3).

Slab openings around columnszoom
 
Detail: 90° cornerszoom

Start the MevaDec panel (1) assembly in the corner, align the panels with both walls (3) and support them with props and prop heads or with props and H20 beams (2). The latter support method saves props.

90° cornerszoom
 
Detail: Acute or obtuse-angled cornerzoom

Start the formwork assembly in the corner and place the MevaDec panels along the straigt wall (1). Use H20 beams (3) and a facing (2) cut to size for the other areas. Depending on the width of the filler area, the spacing of the H20 beams is limited to maximum 50 cm.

Acute or obtuse-angled cornerzoom
 
Detail: Slabs inside shaftszoom

Place the MevaDec panels (1) directly next to the shaft wall (2) without using fillers. Support the panels with props and prop heads or with props and H20 beams. Close any gaps (3) with MevaDec secondary beams and a facing cut to size.

Slabs inside shaftszoom
 
Detail: Prop-beam connection without drop headzoom

In some cases, e.g. intermediate support, cantilevering primary beams or location at walls the primary beam (1) cannot be directly supported by the drop head and the MD prop connector is required for a stable prop-to-beam connection. The MD prop connector is attached to the steel prop (3) and to the primary beam with its hammerhead screw (2). The MD prop connector is provided with an eye to attach a tensioning chain for anchoring the slab formwork to the ground, e.g. at slab edges.

Prop-beam connection without drop headzoom
 
Detail: Concrete beamzoom

Place the facing for the right vertical concrete beam edge onto the facing for the underside of the concrete beam (3). Stabilize the vertical facing with H20 beams (2). Use a trestle (4) for lateral support and secure it with a beam clamp. Place a timber filler (5) lengthwise onto the H20 beam to gap the height difference to the underside of the upper slab. The horizontal facing for the underside of the upper slab must be flush with the adjacent MevaDec-panel (1). Support the upper facing by attaching cross-pieces (6) to the trestle and to the groove of the primary beam, one cross-piece every 50 cm. Attach the facing for the left vertical concrete beam edge to an H20 beam that is placed lengthwise. Timber fillers (5) are placed onto the H20 beams to gap any height difference and make sure the facing is flush with the adjacent MevaDec panel. Due to the low height of the vertical facing on this side of the concrete beam, a trestle cannot be installed for lateral support and the H20 beam must be secured with a job-built wooden support (7). Tieing with DW 20 ties is not required in this case.

Concrete beamzoom
 
Detail: Slanted slabszoom

No specific action or accessory is required for slanted slabs. The connection of panel (1) and drop head (2) allows for inclinations of up to 4°.

Slanted slabszoom
 
Detail: Fall-down protection at slab edges

Railing clamps, toe boards and handrails can be used to install a fall-down protection at the slab edge.

Another option is to attach a guard-railing post support at the MevaDec panel or primary beam, plug the guard railing post into the support and attach the guard railing to the railing posts.

We recommend using the MEVA MFS safety mesh rather than toe boards and handrails.

Fall-down protection at slab edgeszoom
 
Detail:Ceiling offsetzoom

Place the facing for the vertical slab edge (3) onto the facing for the undeside of the lower slab and stabilize the vertical facing with H20 beams (2). Use a trestle (4) for lateral support and secure it with a beam clamp. Place a timber filler (5) lengthwise onto the H20 beam to gap the height difference to the underside of the upper slab. The horizontal facing for the underside of the upper slab edge must be flush with the adjacent MevaDec panel (1). Support the upper facing by attaching cross-pieces (6) to the trestle and to the groove of the primary beam, one cross-piece every 50 cm.

Ceiling offsetzoom
 
  • Fall-down protection at slab edges

    Fall-down protection at slab edges

    MEVA offers equipment and different options to install a fall-down protection at slab edges, e.g. safety meshes, guard-railing posts, guard railings etc.

    more
  • Slanted slabs

    Slanted slabs

    No specific action or accessory is required for slanted slabs. The connection of panel (1) and drop head (2) allows for inclinations of up to 4°.

    more
  • Acute or obtuse-angle corner

    Acute or obtuse-angle corner

    Start the formwork assembly in the corner and place the MevaDec panels along the straigt wall. Use H20 beams and a facing cut to size for the other areas.

    more
  • Slabs at straight walls

    Slabs at straight walls

    Place the MevaDec panel directly at the wall and use two H20 beams and an ME 250 prop to support the MevaDec panel. Adjust the height of the ME 250 prop to the height of the props with drop head.

    more
  • Slab connection to curved walls

    Slab connection to curved walls

    Areas with curved walls: Slide MD compensation beams into the MD primary beams and place props with H20 beams along the curved wall.

    more
  • Slabs inside shafts

    Slabs inside shafts

    Place the MevaDec panels directly next to the shaft wall without using fillers. Close any gaps with MevaDec secondary beams and a facing cut to size.

    more
  • Slab connection to oblique walls

    Slab connection to oblique walls

    Slide an MD compensation beam into the primary beam and place props with an H20 beam along the wall. Place the facing for the filler area onto the MD compensation beam and the H20 beam.

    more
  • Slab openings around columns

    Slab openings around columns

    Place MevaDec seondary beams between the MevaDec panels around the opening and close the opening with a facing cut to size.

    more
  • Prop-to-beam connection without drop head

    Prop-to-beam connection without drop head

    In some cases, e.g. intermediate support, cantilevering primary beams or location at walls the primary beam cannot be directly supported by the drop head and the MD prop connector is required for a stable prop-to-beam connection.

    more
  • Concrete beam

    Concrete beam

    Concrete beams in conjunction with slabs are poured using MevaDec panels, a facing cut to size, trestle and H20 primary beams.

    more
  • Ceiling offset

    Ceiling offset

    Place the facing for the vertical slab edege onto the facing for the lower slab and stabilize the vertical facing with two H20 beams.

    more
  • 90° corners with MevaDec

    90° corners with MevaDec

    Start the MevaDec panel assembly in the corner, align the panels with both walls and support them with props and prop heads or with props and H20 beams. The latter support method saves props.

    more
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