Hysteretic behavior and strength capacity of shallowly embedded steel column bases with SFRCC slab

被引：16

作者：

Cui, Yao ^{[1
]}

Nakashima, Masayoshi ^{[2
]}

机构：

[1] Tokyo Inst Technol, Ctr Urban Earthquake Engn, Yokohama, Kanagawa 2268503, Japan

[2] Kyoto Univ, Disaster Prevent Res Inst, Kyoto 6110011, Japan

来源：

EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS | 2011年 / 40卷 / 13期

关键词：

steel column base; SFRCC floor slab; reinforcement; cyclic loading; finite element method; CEMENT COMPOSITE; CONCRETE;

D O I：

10.1002/eqe.1101

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A series of shallowly embedded steel column bases consisting of an exposed column base and a floor slab is tested under horizontal cyclic loading to very large deformation. The effects of floor slabs on strength and ductility are examined using concrete and Steel fiber-reinforced cementitous composites (SFRCC) for the floor slab. The elastic stiffness, maximum strength, and dissipated energy of the column bases when they include SFRCC increase by 40, 70, and 70% over those of corresponding column bases with concrete floor slab. Better bonding behavior is notable for SFRCC, and the maximum strength and dissipated energy further increase by 15-30% and 70-90%, respectively, owing to the careful arrangement of reinforcing bars. Numerical models are developed to enhance the understanding the behavior of shallowly embedded column bases. Procedures for estimating the elastic stiffness and maximum strength of shallowly embedded column bases with conventional concrete are calibrated for their applicability to those with SFRCC slab. Copyright (C) 2011 John Wiley & Sons, Ltd.

引用

页码：1495 / 1513

页数：19

共 33 条

[11]

Architectural Institute of Japan (AIJ), 2006, REC DES CONN STEEL S

[12]

Bonneau O, 1997, ACI MATER J, V94, P286

[13] Permeability of ultra high performance fiber reinforced concretes (UHPFRC) under high stresses [J].

Charron, J. -P. ;

Denarie, E. ;

Bruehwiler, E. .

MATERIALS AND STRUCTURES, 2007, 40 (03) :269-277

[14]

CUI Y, 2009, J STRUCTURAL ENG ARC, V55, P285

[15] Hysteretic Behavior and Strength Capacity of Shallowly Embedded Steel Column Bases [J].

Cui, Yao ;

Nagae, Takuya ;

Nakashima, Masayoshi .

JOURNAL OF STRUCTURAL ENGINEERING-ASCE, 2009, 135 (10) :1231-1238

[16]

Elfgren L., 1989, Fracture mechanics of concrete structures From theory to applications: Report of the Technical Committee 90-FMA Fracture Mechanics to Concrete/Applications

[17]

Fisher J.M., 2006, Steel Design Guide Series, V1

[18]

GOPALARATNAM VS, 1985, J AM CONCRETE I, V82, P310

[19]

HIKINO T, 2010, J STRUCTURAL CONSTRU, V655, P1717

[20]

Kaneko Y., 2001, J ARCHITECTURE BUILD, V116, P119

← 1 2 3 4 →