Infiltrate 发表于 2025-3-26 21:54:07

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充气球 发表于 2025-3-27 03:01:25

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sterilization 发表于 2025-3-27 06:01:02

Besonderheiten des Formänderungsverhaltens von Trägernhungen und Verschiebungen der Lager, aber auch durch das Kriechen und Schwinden des Betons. Formänderungen lassen sich durch Betrachtung der Trägerachse kenntlich machen, die sich verbiegt, verdreht oder ihre Länge ändern kann.

DEVIL 发表于 2025-3-27 12:41:41

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悬崖 发表于 2025-3-27 16:04:23

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微不足道 发表于 2025-3-27 18:28:44

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SHRIK 发表于 2025-3-28 01:37:55

Wolfgang Zerna,Friedhelm Stangenbergtuations in water level and the consequent threat to the livelihood of the local popula­ tion, who lived chiefly from stock-farming. Practically no tourism touched the area until 1920, about a century later than Schubert‘s visit to the Salzkam­ mergut lake district, the traditional resort area in Up

发出眩目光芒 发表于 2025-3-28 04:58:34

Wolfgang Zerna,Friedhelm Stangenbergrmous fluctuations in water level and the consequent threat to the livelihood of the local popula­ tion, who lived chiefly from stock-farming. Practically no tourism touched the area until 1920, about a century later than Schubert‘s visit to the Salzkam­ mergut lake district, the traditional resort

留恋 发表于 2025-3-28 07:56:17

tuations in water level and the consequent threat to the livelihood of the local popula­ tion, who lived chiefly from stock-farming. Practically no tourism touched the area until 1920, about a century later than Schubert‘s visit to the Salzkam­ mergut lake district, the traditional resort area in Up

无能力之人 发表于 2025-3-28 13:50:22

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查看完整版本: Titlebook: Spannbetonträger; Theorie und Berechnu Wolfgang Zerna,Friedhelm Stangenberg Book 1987 Springer-Verlag Berlin Heidelberg 1987 Beton.Gebrauch