FACING MEMBER FOR STAIR STEP AND PRODUCTION METHOD

FIELD: construction, particularly facing for indoor stairs or for stairs exposed to atmospheric precipitation and negative temperature action. ^ SUBSTANCE: method involves preparing concrete mix, pouring thereof in collapsible metal form; performing vibratory compaction of the mix; hardening thereof...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AVTONOMOV IGOR' VLADIMIROVICH, ZAJTSEV ALEKSEJ GUR'EVICH, RISHES ANATOLIJ VLADIMIROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BUILDING FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	FIELD: construction, particularly facing for indoor stairs or for stairs exposed to atmospheric precipitation and negative temperature action. ^ SUBSTANCE: method involves preparing concrete mix, pouring thereof in collapsible metal form; performing vibratory compaction of the mix; hardening thereof and removing ready article from form. Concrete mix is poured in vertical collapsible form having L-shaped cross-section through upper end orifice along with vibratory compacting of horizontal flat member, namely stair riser, for 3-5 min. Then upper end orifice is closed and concrete mix is vibratory compacted in form installed in V-shaped position with respect to horizontal surface for at least 30 sec. Facing member obtained by described method is also disclosed. ^ EFFECT: extended service life of facing subjected to cyclic freezing and thawing, decreased labor inputs for facing forming, improved nonskid properties of wet or frozen facing. ^ 4 cl, 2 tbl, 1 dwg