Toward the Design Limit of Steel Silos

2009 ◽  
Author(s):  
M.J. Blacker ◽  
J.G.M. Wood
Keyword(s):  
Steel Silos

Collapse Reasons Analysis of a Large Steel Silo

2011 ◽  
Vol 368-373 ◽  
pp. 647-650
Author(s):  
Yue Dong Sun ◽  
Yan Pu Wang
Keyword(s):  
Temperature Stress ◽  
Critical Stability ◽  
Initial Imperfections ◽  
Stress Calculation ◽  
Large Steel ◽  
Pressure Calculation ◽  
Horizontal Pressure ◽  
Steel Silos ◽  
Design Factors ◽  
Discharge Method

Through the analysis of the collapse reasons of a large steel silo, results show that the main reasons for causing this accident are the design factors, containing horizontal pressure calculation, loads combination, critical stability stress calculation and so on. Temperature stress, storage mode and discharge method, initial imperfections of steel silos are the subordinate reasons and can not be ignored.

Comparative study of finite element analysis of steel silos with rectangular and I stiffeners

2021 ◽  
Vol 10 (1) ◽  
pp. 9
Author(s):  
Prasad Lakshmi ◽  
Neethu Elsa Anil
Keyword(s):  
Reinforced Concrete ◽  
Element Analysis ◽  
Plate Structures ◽  
Steel Reinforced Concrete ◽  
Wide Range ◽  
Earthquake Load ◽  
The Stability ◽  
Dynamic Loading Conditions ◽  
Steel Silos ◽  
Static And Dynamic Loading

Silos are used by a wide range of industries to store bulk solids in quantities ranging from a few tones to hundreds or thousands of tones. They can be constructed of steel or reinforced concrete. Steel bins range from heavily stiffened flat plate structures to efficient unstiffened shell structures. They can be closed or open. They are subjected to many different static and dynamic loading conditions, mainly due to the unique characteristics of stored materials. Wind and earthquake load often undermine the stability of the silos. A steel silo with and without stiffeners is adopted and static structural analysis and dynamic analysis is done. The analysis is done by idealizing geometry, material and boundary conditions. Keywords: steel, reinforced concrete, silos.

Load-bearing capacity of discretely supported steel silos shells with skirts

2016 ◽  
pp. 507-514
Author(s):  
Ł Skotny ◽  
E Hotała ◽  
J Boniecka
Keyword(s):  
Bearing Capacity ◽  
Load Bearing Capacity ◽  
Load Bearing ◽  
Steel Silos

Welded steel silos

2020 ◽  
pp. 285-298
Author(s):  
József Farkas ◽  
Károly Jármai
Keyword(s):  
Welded Steel ◽  
Steel Silos

scholarly journals Chilled Aeration to Control Pests and Maintain Grain Quality during Summer Storage of Wheat in the North Central Region of Kansas

2019 ◽  
Vol 35 (4) ◽  
pp. 657-688
Author(s):  
Alejandro Morales-Quiros ◽  
Carlos Campabadal ◽  
Dirk E. Maier ◽  
Sonia M.N. Lazzari ◽  
Flavio A. Lazzari ◽  
...  
Keyword(s):  
Moisture Content ◽  
Grain Quality ◽  
Insect Pest ◽  
Reproduction Rate ◽  
Ambient Conditions ◽  
Flour Quality ◽  
The North ◽  
Chilling Temperatures ◽  
Steel Silos ◽  
Grain Temperature

Abstract.Chilled aeration allows grain to be cooled, independent of ambient conditions, to “safe” temperatures at which insects, fungi, and spoilage development are reduced to a minimum. The objective of this research was to evaluate the advantages of using grain chilling to preserve the quality of grain and reduce post-harvest losses caused by insects and fungi, compared to the conventional aeration and storage strategies used during summer storage in central Kansas. The research trials were developed at a farmer’s cooperative in central Kansas in 2015 and 2016 on low-moisture wheat harvested during the summer of 2015 and 2016, respectively, and stored in two 1,350 metric ton (t) steel silos in which one was chilled and the other was used as a control managed by the cooperative. Temperature of the grain inside each silo was monitored with temperature cables. Variables evaluated were: moisture content (MC), grain and flour quality, insect-pest development and reproduction rate, insect fragments per 500 g of grain, and fungi presence. In 2015, the chilling treatment reduced the grain temperature from 28°C to 17°C in approximately 175 h, while in 2016 it took 245 h to reach about the same temperature with an initial grain temperature of 39°C. Grain temperatures below 25°C were not achieved in the control silo during the summer using ambient aeration. Minimum variation of MC was observed in the Chilled silo while ambient aeration reduced the moisture content by 0.5%. Reproduction rates of the red flour beetle and lesser grain borer were significantly reduced by chilling temperatures lower than 17°C. Lower temperatures also reduced insect populations detected in probe traps and insect damaged kernels. Insect fragments and fungi presence had no significant increase throughout the trials in either of the silos. No clear evidence of flour quality being better preserved at lower temperatures was detected. The energy cost of running the grain chiller was between 0.26-0.32 $/t higher than ambient aeration. Keywords: Ambient aeration, Grain chilling, Grain quality, Stored-product fungi, Stored-product insects, Summer storage, Wheat.

Nonlinear buckling of cylindrical steel silos with fabrication cracks

2019 ◽  
Vol 353 ◽  
pp. 219-229
Author(s):  
Qing Shuai Cao ◽  
Yang Zhao ◽  
Li Xing ◽  
Ru Zhang ◽  
Ben Yue Li
Keyword(s):  
Nonlinear Buckling ◽  
Cylindrical Steel ◽  
Steel Silos

ANALYSIS OF THERMAL LOAD CALCULATIONS IN STEEL SILOS: A COMPARISON OF EUROCODE 1, CLASSICAL METHODS, AND FINITE ELEMENT METHODS

2005 ◽  
Vol 48 (4) ◽  
pp. 1483-1490 ◽  
Author(s):  
J. M. Moran ◽  
A. Juan ◽  
F. Ayuga ◽  
R. Robles ◽  
P. Aguado
Keyword(s):  
Finite Element ◽  
Finite Element Methods ◽  
Thermal Load ◽  
Steel Silos
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