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Permanent building trench securement - with concrete bays cast in situ between reinforced prefabricated concrete beams
Permanent building trench securement - with concrete bays cast in situ between reinforced prefabricated concrete beams
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机译:永久性建筑沟渠固定-在钢筋混凝土预制梁之间现场浇筑混凝土隔间
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摘要
Permanent building trench securement has prefabricated plank beams of reinforced or prestressed concrete, with in-situ concreted reinforced concrete bays between them, and integral with them; reinforcement rods secure the joint between the bays and the beams. Pref. the beam has an I- or circular cross section and is loosely reinforced or prestressed. The cross reinforcement is connected to steel projecting from the prefabricated parts, and is threaded through horizontal apertures of the prefabricated beams on reinforcing the in-situ concreted bays. The beams do not need to be recovered, but form part of the permanent structure.
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