Formwork beams

HT 20plus

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High load-bearing capacity, long-lasting and used all over the world

Mayr-Melnhof Holz’s formwork beams are renowned for their high re-usability and reliable load bearing.
 

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HT 20plus is the international brand for formwork beams from Mayr-Melnhof Holz. High-quality raw material, technically perfect processing and the proven protective plastic cap system give the HT plus formwork beams their long service life. The webs, made of thoroughly glued 3-ply wooden panels, guarantee a high load-bearing capacity in all climates. The flanges are made from mechanically strength-graded and finger-jointed timber. The web and flanges are bonded together with an extremely strong finger-joint connection. Mayr-Melnhof Holz formwork beams are renowned for their re-usability.

Brochure
K1 yellowplan Formwork Panels
Sustainability & raw material use

HT 20plus formwork beams: Benefits
  • Flanges made of selected solid wood cross-sections
  • Flanges and webs permanently bonded by means of finger-jointed connections
  • Proven load-bearing capacity even after multiple use in all climates
  • Plastic cap to protect the flange ends from splintering further increase the beams’ service life
HT 20plus formwork beams: Product standards
  • EN 13377 pre-fabricated timber formwork beams: Requirements, classification and verification
  • DIN 20000 – T2 Use of building products in construction works – Part 2: Pre-fabricated timber formwork beams
  • According to German regulations, HT plus formwork beams are labelled with an inspection mark.
HT 20plus formwork beams: Technical specifications
  HT 20plus HT 24plus HT 16plus HT 12plus
Wood species Spruce (Picea Abies), Fir (Abies)
Surface Planed, entire beam impregnated using water-based colour stain
Moisture content 12 % (± 3 %)
Gluing Adhesive type I acc. to EN 301 (melamine resin based adhesive)
Fire class D-s2, d0
Product standard EN 13377 and DIN 20000-2
Inspection mark   
EN 13377
Weight and dimensions  
Beam height 200 mm 240 mm 160 mm 120 mm
Flange height 40 mm 40 mm 35 mm 35 mm
Flange width 80 mm 80 mm 65 mm 65 mm
Web thickness 24 mm 24 mm 24 mm 24 mm
Weight 4.4 kg/m 4.9 kg/m 3.1 kg/m 2.7 kg/m
Tolerances  
Beam height ± 2.0 mm
Flange height 40 mm - 1.5 % 40 mm - 1.5 % 40 mm - 1.5 % 35 mm - 1.5 %
Flange width 80 mm - 1.5 % 80 mm - 1.5 % 80 mm - 1.5 % 65 mm - 1.5 %
Web thickness 24 mm ± 0.5 mm 24 mm ± 0.5 mm 24 mm ± 0.5 mm 24 mm ± 0.5 mm
Calculated values  
EI modulus of elasticity- x moment of inertia 486 kNm² 775 kNm² 212 kNm² 97 kNm²
Eflange modulus of elasticity flange (C24) 11,000 N/mm² 11,000 N/mm² 11,000 N/mm² 11,000 N/mm²
Eweb modulus of elasticity web (3S panel) 6,700 N/mm² 6,700 N/mm² 6,700 N/mm² 6,700 N/mm²
Vk characteristic shear force value 23.9 kN 28.2 kN 18.4 kN 15.3 kN
Rb,k characteristic reaction force value 47.8 kN 56.4 kN 36.8 kN 29.4 kN
Mk characteristic moment value 10.9 kNm 14.1 kNm 5.9 kNm 4.4 kNm
Mayr-Melnhof Holz: Logistics services

Road

  • Long-standing stable business relationships with a large number of logistics service providers in Europe.
  • We use digital platforms for fast communication with our transport service providers.
     

Sea

  • Loading into shipping containers is possible at all sites.
  • With trusted logistics partnerss we are able to offer fast and reliable container shipments worldwide.
  • Subject inducement we can offer breakbulk shipments from the Adriatic, Baltic and North Seas.
  • With our own port terminal in Koper, Slovenia, we have regular chartered services to southern Mediterranean ports & beyond.
     

Rail

  • All Mayr-Melnhof Holz sawmills in Leoben (AT), Paskov (CZ) and Efimovskij (RU) as well as our timber processing plants in Gaishorn (AT) & Wismar (DE) are directly connected to national railway networks.
  • We use both private & public rail service providers to transport goods in an environmentally friendly manner.
     

Delivery to construction sites

  • Just-in-time deliveries to our cross-laminated and glulam construction sites.
  • A full range of modern transport solutions is offered as necessary:
    • all-wheel drive trucks
    • narrow-access self-steering trailers
    • hydraulically steered trailers
    • solo vehicles with up to 10 m loading length for inner-city areas
    • covered loads up to 3,5 m wide 
    • loads up to 52 m length
    • trailers with on-board forklifts
    • Edscha sliding roof trailers for vertical access


Documentation
Together with our logistics partners we will provide you with professional documentation to enable you to cover all your export, import, and customs formalities without problems. 

Downloads & Certificates


Choose products from Mayr-Melnhof Holz with confidence. The raw material we use, our supply chains and our productionprocesses are subject to rigorous internal and third-party controls. Our certification and technical standards confirm our far-reaching efforts.

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