BEARING MEMBER OF SPAN

bridge engineering. SUBSTANCE: bearing member is made of hollow box-section reinforced concrete beam; heat insulating material is placed inside mentioned beam member. Novelty is that heat insulating member is arranged inside reinforced concrete beam so that at least 75% of its inner surface abuts ag...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KURAKIN P.P, TSEJTLIN A.L, GUGIN I.M, TSARIKOVSKIJ I.F, ZAPRUDNOV D.M, CHALENKO V.V, BREJCHER S.I, BAUKIN A.A, ALJAMOVSKIJ A.I, KOROTIN V.N, DUDAREV S.V, SUMIN JU.V
Format:	Patent
Sprache:	eng
Schlagworte:	ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OR VIADUCTS
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Beschreibung
Zusammenfassung:	bridge engineering. SUBSTANCE: bearing member is made of hollow box-section reinforced concrete beam; heat insulating material is placed inside mentioned beam member. Novelty is that heat insulating member is arranged inside reinforced concrete beam so that at least 75% of its inner surface abuts against the latter and that it has rough surface formed by ridges and depressions on side surface filled with beam concrete; density of heat insulating material is not greater than 0.2 t/m3. Its heat conductivity is not greater than that of beam concrete. EFFECT: enhanced service life and reliability. 7 cl, 4 dwg