|Table of Contents|

Experiment on Prestressed Concrete Hollow-core Composite Slabs(PDF)

《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

Issue:
2008年04期
Page:
88-92
Research Field:
Publishing date:
2008-12-20

Info

Title:
Experiment on Prestressed Concrete Hollow-core Composite Slabs
Author(s):
WU Fang-bo;  CHEN Li;  LIU Ya-min
School of Civil Engineering, Hunan University, Changsha 410082, Hunan, China
Keywords:
prestressed hollow-core slab;  composite slab;  crack;  bearing capacity;  deflection
PACS:
TU378.5
DOI:
-
Abstract:
The existing prestressed concrete hollow-core composite floor had some disadvantages, such as thicker slab, larger weight, etc. A new kind of prestressed concrete hollow-core composite slab was put forward. Based on the results of static loading test of 3 prestressed concrete hollow-core slabs, 3 prestressed concrete hollow-core composite slabs and 1 composite continuous slab, the crack, ultimate bearing capacity and deflection were analyzed. The reasons of higher crack load and ultimate bearing capability were investigated. The results indicate that this kind of prestressed concrete hollow-core composite slab has betteranti-crack behavior and higher ultimate bearing capacity. According to the Code for Design of Concrete Structures(GB 50010—2002), the crack moment, ultimate bearing capacity, deflection can be calculated, which provide a basis for the design and application of this kind of composite slab.

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Last Update: 2008-12-20