نتایج جستجو برای: composite column

تعداد نتایج: 194888  

2012
Jeremy M. Gililland Erik N. Kubiak

Pelvic discontinuity in revision total hip arthroplasty presents problems with component fixation and union. A construct was proposed based on bicolumnar fixation for transverse acetabular fractures. Each of 3 reconstructions was performed on 6 composite hemipelvises: (1) a cup-cage construct, (2) a posterior column plate construct, and (3) a bicolumnar construct (no. 2 plus an antegrade 4.5-mm...

2014
Martin Faust David Schwalb Hasso Plattner

Real world applications make heavy use of composite keys to reference entities. Indices over multiple columns are therefore mandatory to achieve response time goals of applications. We describe and evaluate the Composite Group-Key Index for fast tuple retrieval via composite keys from the compressed partition of in-memory column-stores with a main/delta architecture. Composite Group-Keys work d...

2002
Gregor Fischer Hiroshi Fukuyama Victor Li

In this paper, a research study is presented focusing on the effect of substituting brittle concrete in conventional reinforced concrete column members with a ductile engineered cementitious composite (ECC). Based on the material properties of ECC, the interaction with structural reinforcement is characterized by compatible deformations of the reinforcement and ECC matrix in the elastic and ine...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 2000

Journal: :Advances in Civil Engineering 2021

In soft soil foundations, geogrid encased stone column composite foundation technology has been widely applied and developed in recent years due to its efficient treatment. this study, eight groups of laboratory model tests were performed a large-scale testing tank investigate the bearing mechanism stress characteristics columns under traffic loads with different cyclic load ratios. The at bott...

Hasan Aghabarati K. Parhizkar

Hybrid moment frame come together with reinforced concrete columns with structural steel beams (RCS). This Composite system provides several key advantages over current steel or concrete moment resisting frame. Past studies have shown this system to be efficient in both design and building stage while able to keep sufficient strength and necessary ductility in seismic zone.Although past researc...

Journal: :Journal of Structural and Construction Engineering (Transactions of AIJ) 1999

2002
Gregor Fischer Victor C. Li

The response of moment resisting frame structures to seismic excitation is strongly dependent on the ability of particular structural members to sustain relatively large inelastic deformations without significant degradation of lateral and axial load-carrying capacity. Conventional reinforced concrete frame structures are typically designed according to the strong column/weak beam concept, whic...

Partially Encased Composite (PEC) column is one of the recent achievements in the field of composite columns. This paper presents a combined experimental and theoretical study on the mechanical performances of six octagonal PEC columns subjected to axial compressive and bending moment loading. The major different between them was the concrete reinforcement details. The parameters studied in the...

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