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concrete and reinforced concrete structures for sewage wells, water supply and gas supply networks

  • Concrete grade:

    To make rings, heavy concrete of grade B15 (M200) is used.
  • For your information:

    An additional increase in strength is provided by vibration compaction at low tide (they reduce the number of pores and possible destruction concentrators). The method of vibropressing allows you to get the exact geometric dimensions of the product and a smooth surface (with a roughness of up to 0.1 mm). This indicator reduces the tendency to siltation of the inner surface of the rings.

Structure type

Nomenclature

Recommended main dimensions, mm, GOST 8020-2016

d i

d e

h

Lxb or a

Manhole ring (cylindrical)

KS 10.9

1000

1200

890

90-100

KS 15.6

1500

1700

590

90-100

KS 15.9

1500

1700

890

 


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