fire sleeve hose in prestressed concrete structures

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Post-Tensioning Institute > Eduion > Publiions > …

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Structural meer and system - RIDDELL; C. RANDOLPH

15/2/1977· When the concrete is cured, the forms are removed, the mandrel is withdrawn, and the sleeve remains in place. For cast-in-place construction, the passageway 24 may, for example, be formed by a cast in sleeve procedure wherein the sleeve is of sufficient strength to alleviate the need of a supporting mandrel and is left inside the meer.

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[5]Gao P, Gu X L, Mosallamc A S. Flexural Behavior of Preloaded Reinforced Concrete Beams Strengthened by Prestressed CFRP Laminates [J]. Composite Structures, 2016 (157): 33-50. [6]Zhang H F, Zhang W P, Gu X L*, Jin X Y, Jin N G. Chloride penetration in concrete under marine atmospheric environment - analysis of the influencing factors [J].

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Precast Manholes | Coluia Precast Products

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455 NOISE BARRIERS - SHA MediaWiki

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(PDF) Flexible formwork as reinforcement for curved …

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Is it safe to drill small holes in load-bearing concrete …

We have a concrete beam (roughly 285mm wide x 540mm high including plaster coat) supporting a roof and part of a mezzanine floor. I know nothing about the composition of it; it may encase a steel I-beam (the rest of the building structure is steel I-beams) or it may simply be reinforced concrete.

‫‬Very good video showing step by step Post tension slab - …

3/5/2013· Q1. How does a prestressed precast concrete bridge beam work? - Duration: 6:52. Gillian Murtagh 413,754 views 6:52 BASEMENT EXCAVATION - BORED PILE - Duration: 16:06. qian ying 1,776,617 views 16

ALFRED ALPHONSE YEE Obituary | Honolulu Star-Advertiser

3/5/2017· With a career spanning over 65 years, Dr. Yee was a pioneer in the design of prestressed precast concrete structures. His notable projects include: Arizona Memorial, Ala Moana Hotel, Queen Emma Gardens, Kahala Hotel, IBM Building, Aircraft Maintenance Hangar in Guam, Concrete Island Drilling System, and his tallest precast building, The Sail @ Marina Bay''s 70-story tower in Singapore.

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