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Wall formwork
90° corner – Single-sided tying
For single-sided tying at the
corner a 25 mm wide XT panel
is installed next to the XT inside
corner and next to the XT panel
opposite (50 or 75 cm wide)
(Figures 40.1 to 40.4).
For stabilisation, an M alignment
rail 75 is fitted to the multi-
function profile of the panel
across the 25 cm wide panel
(Figures 40.1 and 40.2).
The number of alignment rails
depends on the number of tie
holes in the panel.
For pouring heights up to
350 cm and wall thicknesses up
to 30 cm the M alignment rail is
not required (Figures. 40.3 and
40.4 and Table 4444.6).
Attention
Unused tie holes must always
be closed with plug D35/38 or
alternatively with XT sealing cone
(10) with a pressed-on plug D20
(see page XT-18).
Description
M alignment rail 75 .............. 29-400-95
Flange screw 18 .................... 29-401-10
XT sealing cone ..................... 29-902-34
XT sealing cone 10 ................ 29-902-35
Plug D35/38 .......................... 29-902-71
Plug D20, red ........................ 29-902-63
XT-40
Fig. 40.1
Fig. 40.3
Ref. No.
Pouring heights and wall
thickness as required
Single-sided tying
M alignment rail 75
Mammut XT inside corner
Mammut XT panel w = 25 cm
Fig. 40.2
M alignment rail 75
Pouring heights up to 350 cm
and wall thicknesses up to
30 cm
Single-sided tying
Mammut XT inside corner
Mammut XT
panel w = 25 cm
Fig. 40.4
Technical Instruction Manual / Status September 2018
Mammut XT
Mammut XT outside corner
Mammut XT outside corner

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Summary of Contents for Meva Mammut XT

  • Page 1 Wall formwork Mammut XT 90° corner – Single-sided tying For single-sided tying at the corner a 25 mm wide XT panel is installed next to the XT inside corner and next to the XT panel opposite (50 or 75 cm wide) (Figures 40.1 to 40.4).
  • Page 2 Wall formwork Mammut XT 90° corner – Two-sided tying Besides central tie holes, the 50 and 75 cm Mammut XT panels (Fig. 41.1) also have conical anchor sleeves in the frame. These allow two-sided tying at the corners (Figures 41.2 and Frame tie hole 41.3).
  • Page 3 Wall formwork Mammut XT 90° corner – Inside corner The Mammut XT inside corner is galvanised and has an alkus all-plastic facing. The inside corner (Fig. 42.1) has tie holes. Only three assembly locks per joint are required for height 350 cm, all other heights require two assembly locks per side.
  • Page 4 Mammut XT 90° corner – Outside corner The Mammut XT outside corners 0, 10 and 15 (Fig. 43.3) together with the Mammut XT panels and the M assembly lock result in a solid 90° outside corner solution (Figures 43.1 and 43.2 and page 0 cm XT-38).
  • Page 5 Wall formwork Mammut XT 90° corner – Outside corner When forming corners by means of single-sided tying (see page XT-40), the M alignment rail is not required for pouring heights up to 350 cm and wall thick- nesses up to 30 cm (Figures. 44.1 to 44.5).
  • Page 6 Wall formwork Mammut XT 90° corner – Height-extended outside corner Pouring heights of 4.25 m or higher require the number of assembly locks and alignment rails shown in Table 45.3. The alignment rails must be attached to the panels with two flange screws 18. Always start...
  • Page 7 The hinged outside and inside Alignment rail corners can be set to an angle of 70°, 90°, 120°, 135° or 180° Mammut XT panel with a locking device (Fig. 46.3). Height 300 α If 300 cm high M hinged corners are used, Mammut 350/Mammut...
  • Page 8 Wall formwork Mammut XT Hinged corner The dimension y (Fig. 47.1), which represents the gap between the hinged outside corner and the first double-sided standard Mammut XT panel, can either be calculated using the adjacent formula or can be determined using Table 47.2, depending on the inside angle and the wall thickness.
  • Page 9 Wall formwork Mammut XT Stripping corner The M stripping corners 350 of 30 kN (3 tons) are to be used. (Fig. 48.1), 300, 250 and 125 (Fig. 48.3). If the total weight ex- allow the formwork to be ceeds 30 kN (3 tons), a transport removed safely and quickly from spreader must be used.
  • Page 10 Wall formwork Mammut XT Stripping corner Attachment and position of assembly locks The function of the stripping corner can only be guaranteed if the assembly locks connecting the stripping corner to the panels are positioned in certain areas of the stripping corner.
  • Page 11 Wall formwork Mammut XT Stripping corner Attachment and position of assembly locks The function of the stripping corner can only be guaranteed if the assembly locks connecting the stripping corner to the panels are positioned in certain areas of the stripping corner.
  • Page 12 Wall formwork Mammut XT Stripping corner Attachment and position of assembly locks The function of the stripping corner can only be guaranteed if the assembly locks connecting the stripping corner to the panels are positioned in certain areas of the stripping corner.
  • Page 13 Wall formwork Mammut XT Stripping corner Set-up and handling Height extension 1. Insert the wedge integrated Two stripping corners can be into the stripping corner into the connected to each other easily by Position D connecting device (Position C, joining their bell-crank levers. The...
  • Page 14 Wall formwork Mammut XT Stripping corner Stripping support The stripping support (Fig. 53.1) is used to easily activate the stripping corner from above Spanner size with a power screwdriver, a ratchet spanner or a spanner. Tools with width across flats of 27, 30 or 36 mm are to be used.
  • Page 15 Wall formwork Mammut XT Stripping corner Working principle of the stripping support The stripping support has three Power screwdriver hexagonal nuts that are operated with tools with width across flats of 27, 30 and 36 mm. Turning the hexagonal nut on...
  • Page 16 Wall formwork Mammut XT Stripping corner The M stripping corner can also be used as a stripping support for panels between corners inside a room. In this case, the stripping corner is used to reduce the tension between the panels so that they can easily be removed from the poured wall between the corners.
  • Page 17 Wall formwork Mammut XT Length compensation – Mammut XT compensation panel Gaps of 20 to 50 cm can be compensated for with the Mam- mut XT compensation panel. The compensation panel con- sists of two frame profiles with integrated nailing strip. The...
  • Page 18 Wall formwork Mammut XT Length compensation – Timber filler Gaps up to 10 cm can be filled on-site using timber fillers and Uni-assembly locks 22, while for gaps up to 16 cm timber fillers and Uni-assembly locks 28 are used. The compensation areas...
  • Page 19 Wall formwork Mammut XT Length compensation – Filler widths The maximum filler width X for the bracing at tie hole level (Fig. 58.1) and the bracing at the multi-function profile level is determined by the permissible fresh-concrete pressure and the type of alignment rail used (Table 58.3).