BRACING METHOD FOR EXTENSION PIER

PURPOSE:To simplify a work, by a method wherein a chain, having a mounting metal with a turn-buckle, is installed in a bracing manner to the upper and the lower frame on the steel pillars of the titled pier, and the length of a brace is regulated and tightening is effected by the use of the turn-buc...

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Main Authors YANAGAWA YUTAKA, TSUTSUI ISAO, KAMAZAKI NOBUYOSHI, OGURO TAKU, SAGAMI TOMOYUKI, NISHIMURA TAKEO, KIKUCHI MASAMITSU
Format Patent
LanguageEnglish
Published 19.09.1985
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:PURPOSE:To simplify a work, by a method wherein a chain, having a mounting metal with a turn-buckle, is installed in a bracing manner to the upper and the lower frame on the steel pillars of the titled pier, and the length of a brace is regulated and tightening is effected by the use of the turn-buckle. CONSTITUTION:An uppermost plate is disposed to steel skeletons 1, a hook is engaged with a bored hole in the plate 2 to mount a high-strength chain 3 to a pillar of the steel skeleton 1, and the suspending chain 3 is extended to place bail cans 9 on a pit excavation bottom. Thereafter, after pit excavation is carried out to a given depth, the chain 3 is moved from a position, shown by a dotted line, to a position shown by a solid line, and through control of a turn- buckle 5, the length of a brace is regulated and tightening is performed to mount the plate 2 to the lower end thereof. Further, the same works are repeated in order.
Bibliography:Application Number: JP19840039270