|Table of Contents|

Shearing performances of corrugated steel webs encased with concrete(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2016年01期
Page:
16-24
Research Field:
道路与铁道工程
Publishing date:

Info

Title:
Shearing performances of corrugated steel webs encased with concrete
Author(s):
ZHANG Feng1;  LI Shu-cai1;  LI Hong-jiang2;  YAO Chen1;  YANG Sheng3
1. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, Shandong, China;
2. Research Institute of Highway of Ministry of Transport, Beijing 100088, China;
3. CTS Engineering, Inc., Ocala 33126, Florida, America
Keywords:
bridge engineering;  corrugated steel webs;  nonlinear finite element;  concrete encasement;  shearing strength;  compression strut;  tension strut
PACS:
U441.4
DOI:
-
Abstract:
In order to study the shearing behavior of corrugated steel webs encased with concrete, the nonlinear-refined-numerical finite element model of corrugated steel webs encased with concrete was established, and its validity was verified by using the deflection and strain of test model. The shearing mechanism of corrugated steel webs encased with concrete was analyzed, the ratio of loads shared by concrete and corrugated steel webs was studied, and the shearing strength design formula of corrugated steel webs encased with concrete was presented and verified. Analysis result shows that the load capacities of numerical model and test model are 4 560 kN and 4 744 kN respectively, the simulation error is 3.8%, so the finite element model is feasible. The steel webs' tension strut and the concrete's compression strut form X-type truss, and the shearing strength of corrugated steel webs encased with concrete is their sum. The shearing resistance of corrugated steel webs is basically linear relation with load. The shearing resistance of concrete encasement shows three polylines, it increases fast at the initial and late stage of loading, and scarcely changes at the middle stage of loading. The calculated result of presented formula of shearing strength agrees with the model test result, the maximum ratio of shearing strength is 1.1, so the formula is feasible and can be used to analyze for the shearing properties of corrugated steel webs encased with concrete. 2 tabs, 23 figs, 26 refs.

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Last Update: 2016-02-20