Design of light industrial buildings

1979 ◽  
Vol 6 (3) ◽  
pp. 456-464 ◽  
Author(s):  
Don Nixon ◽  
Peter F. Adams
Keyword(s):  
Structural Steel ◽  
Research Information ◽  
Specific Research ◽  
Design Procedures ◽  
Industrial Buildings ◽  
Design Guide ◽  
Anchor Bolts ◽  
Cost Studies ◽  
Structural Arrangements

Even though a large number of light industrial buildings are constructed each year, various problems occur in design for which either little specific research information is available or existing design procedures are overly conservative. This paper is based on an investigation that has as its aims the collection of research information that might be relevant to the design of this type of structure; the modification (where possible) of this information so that it is directly applicable; and finally the formulation of a design guide specifically for light industrial buildings.The investigation is restricted basically to those problems associated with the design of single-storey buildings of structural steel. Topics covered in this paper include cost studies of different structural arrangements, design procedures for girders and columns in buildings with cantilever roof framing schemes, and design procedures for anchor bolts.

Implementing the Mechanistic–Empirical Design Guide Procedure for a Hot-Mix Asphalt–Rehabilitated Pavement in Indiana

2005 ◽  
Vol 1919 (1) ◽  
pp. 121-133 ◽  
Author(s):  
Khaled A. Galal ◽  
Ghassan R. Chehab
Keyword(s):  
Hot Mix Asphalt ◽  
Pavement Design ◽  
Design Parameters ◽  
Design Procedures ◽  
Design Concepts ◽  
Asphalt Overlay ◽  
Design Guide ◽  
Strategic Goals ◽  
And Performance

One of the Indiana Department of Transportation's (INDOT's) strategic goals is to improve its pavement design procedures. This goal can be accomplished by fully implementing the 2002 mechanistic–empirical (M-E) pavement design guide (M-E PDG) once it is approved by AASHTO. The release of the M-E PDG software has provided a unique opportunity for INDOT engineers to evaluate, calibrate, and validate the new M-E design process. A continuously reinforced concrete pavement on I-65 was rubblized and overlaid with a 13–in.-thick hot-mix asphalt overlay in 1994. The availability of the structural design, material properties, and climatic and traffic conditions, in addition to the availability of performance data, provided a unique opportunity for comparing the predicted performance of this section using the M-E procedure with the in situ performance; calibration efforts were conducted subsequently. The 1993 design of this pavement section was compared with the 2002 M-E design, and performance was predicted with the same design inputs. In addition, design levels and inputs were varied to achieve the following: ( a) assess the functionality of the M-E PDG software and the feasibility of applying M-E design concepts for structural pavement design of Indiana roadways, ( b) determine the sensitivity of the design parameters and the input levels most critical to the M-E PDG predicted distresses and their impact on the implementation strategy that would be recommended to INDOT, and ( c) evaluate the rubblization technique that was implemented on the I-65 pavement section.

Failure characteristics of short anchor bolts embedded in a brittle material

1986 ◽  
Vol 404 (1826) ◽  
pp. 35-54 ◽  
Keyword(s):  
Failure Mechanisms ◽  
Matrix Material ◽  
Failure Characteristics ◽  
Design Procedures ◽  
Linear Elastic ◽  
Elastic Fracture ◽  
Anchor Bolts ◽  
The Stability ◽  
Crack Paths ◽  
Theoretical Results

The results of an analytical and experimental investigation into the failure mechanisms caused by short anchor bolts, embedded in a brittle matrix and loaded monotonically in tension, are presented and discussed. Several engineering applications are included which describe the limita­tions of currently available design procedures. A mathematical model, based on linear elastic fracture mechanics, is used to predict crack paths, determine the stability of the crack growth, and obtain the tensile capacity of the anchor bolts. The theoretical results are consistent with those obtained from experiments conducted with the use of mortar as a matrix material.

The design of light industrial buildings — research needs

1981 ◽  
Vol 8 (2) ◽  
pp. 146-154
Author(s):  
Don Nixon ◽  
Peter F. Adams
Keyword(s):  
Steel Industry ◽  
Tall Buildings ◽  
Lateral Loads ◽  
Flexural Members ◽  
Design Procedures ◽  
The Past ◽  
Economical Design ◽  
Industrial Buildings ◽  
Compression Members ◽  
Structural Research

In the past decade structural research has concentrated on the design of tall buildings, and has resulted in more rational and economical design procedures for such structures. In contrast, research related specifically to the design of low buildings has lagged somewhat, even though these buildings form a large portion of the market for the steel industry. This paper is a state-of-the-art paper for light industrial buildings in structural steel. Topics covered are loads, economics of different layouts and framing schemes, design of flexural members, design of compression members, and resistance to lateral loads.

scholarly journals DESIGN PROCEDURES FOR OCEAN OUTFALLS

1976 ◽  
Vol 1 (15) ◽  
pp. 166
Author(s):  
Jeffrey A. Layton
Keyword(s):  
Support Systems ◽  
Systems Design ◽  
Environmental Studies ◽  
Site Location ◽  
Materials Selection ◽  
Design Procedures ◽  
Construction Techniques ◽  
Design Guide ◽  
Practical Design ◽  
Pipe Materials

This paper discusses procedures for designing ocean outfalls and offers the coastal engineer a practical design guide outlining the necessary steps required to plan, design, and construct an outfall. The design steps reviewed in this paper include site location considerations, environmental studies, outfall and diffuser hydraulics, pipe materials selection, pipe support systems design, and construction techniques.

scholarly journals About problems with cast iron columns of the revitalized post-industrial buildings

2019 ◽  
Vol 284 ◽  
pp. 05010
Author(s):  
Tadeusz Urban ◽  
Michał Gołdyn
Keyword(s):  
Cast Iron ◽  
Carrying Capacity ◽  
Experimental Investigations ◽  
Load Carrying Capacity ◽  
Design Procedures ◽  
Industrial Buildings ◽  
Load Carrying ◽  
Material Uncertainties ◽  
Post Industrial ◽  
Existing Structure

The paper discusses examples of the use of cast iron columns in existing post-industrial buildings. The results of experimental investigations in which a cast iron column originating from an existing structure was subjected to compression, were presented. The load carrying capacity of the element was assessed in the light of historical design procedures, demonstrating their conservativeness resulting from material uncertainties. The examples of failures of cast iron columns, resulting from errors committed during modernization works, were also presented.

Current design procedures for steel-lined pressure tunnels

1983 ◽  
Vol 10 (1) ◽  
pp. 150-161
Author(s):  
A. Nicolopoulos
Keyword(s):  
Decision Making ◽  
Structural Steel ◽  
State Of The Art ◽  
Relevant Information ◽  
Allowable Stress ◽  
Detailed Design ◽  
Design Procedures ◽  
Systematic Procedure ◽  
Current Design ◽  
Appropriate Scale

A systematic procedure for the design of steel liners for penstock tunnels is presented in this article. Useful hints and other relevant information are also provided to help in decision-making. Special attention has been paid to factors of safety and allowable stress, areas where a certain amount of controversy exists.The application of the procedure is facilitated by the development of computerized design graphs. These graphs are presented using a common notation and an appropriate scale, which makes it possible to evaluate the different theories by direct comparison. Finally, a detailed design example is given for a better understanding of the proposed procedure. Keywords: hydroelectric structures, structural steel, linings, tunnels, state-of-the-art review.

A Rational Identification of Creep Design Area Using Negligible Creep Curves

2006 ◽  
Author(s):  
Masayuki Sukekawa ◽  
Nobuhiro Isobe ◽  
Hiroshi Shibamoto ◽  
Yoshihiko Tanaka ◽  
Naoto Kasahara
Keyword(s):  
Evaluation Process ◽  
Temperature Limit ◽  
Constant Stress ◽  
Fast Reactors ◽  
Design Procedures ◽  
Design Guide ◽  
Ferrite Steel ◽  
Lower Temperature ◽  
High Temperature Operation ◽  
Design Stress

For extension of non-creep design area and simplification of design procedures, a rational identification method of creep design area by negligible creep (NC) curves was studied. NC curves of six kinds of austenite stainless and ferrite steels for fast reactors were determined based on domestic material data. NC curves provide the relation between temperature and time that does not induce damageable creep strain under the constant stress 1.5Sm (Sm: design stress intensity). In existing Japanese design guides, non-creep design area is severely restricted by constant upper temperature limit for austenite stainless steel and ferrite steel. In the case of 316FR steel and SUS410J3, which are candidate materials of Japanese commercialized fast reactors and have excellent material property, this limit can be extended by NC curve concept considering the duration of high temperature operation. NC curves under secondary stress considering stress relaxation were also studied. However, rationalization effect was insufficient whereas evaluation process was too complex. Therefore, at the present stage, NC curves at constant stress level 1.5Sm were adopted to identify creep design area. The concept of NC curve was introduced into the interim structural design guide for commercialized fast reactors in Japan to simplify the creep design of fast reactor systems. Utilizing these curves, non-creep design becomes possible for components operated at comparatively lower temperature in normal condition.

scholarly journals Linking Data and Publications: Towards a Cross-Disciplinary Approach

2013 ◽  
Vol 8 (1) ◽  
pp. 244-254 ◽  
Author(s):  
Maarten Hoogerwerf ◽  
Mathias Lösch ◽  
Jochen Schirrwagen ◽  
Sarah Callaghan ◽  
Paolo Manghi ◽  
...  
Keyword(s):  
Distributed Systems ◽  
Research Data ◽  
Research Information ◽  
Specific Research ◽  
Research Results ◽  
Research Infrastructures ◽  
Other Information

In this paper, we tackle the challenge of linking scholarly information in multi-disciplinary research infrastructures. There is a trend towards linking publications with research data and other information, but, as it is still emerging, this is handled differently by various initiatives and disciplines. For OpenAIRE, a European cross-disciplinary publication infrastructure, this poses the challenge of supporting these heterogeneous practices. Hence, OpenAIRE wants to contribute to the development of a common approach for discipline-independent linking practices between publications, data, project information and researchers. To this end, we constructed two demonstrators to identify commonalities and differences. The results show the importance of stable and unique identifiers, and support a ‘by reference’ approach of interlinking research results. This approach allows discipline-specific research information to be managed independently in distributed systems and avoids redundant maintenance. Furthermore, it allows these disciplinary systems to manage the specialized structures of their contents themselves.

Chromic Acid Etching of Polyethylene

1973 ◽  
Vol 31 ◽  
pp. 72-73
Author(s):  
J. D. Muzzy ◽  
R. D. Hester ◽  
J. L. Hubbard
Keyword(s):  
Chromic Acid ◽  
Low Cost ◽  
Acid Etching ◽  
Crystalline Morphology ◽  
Bulk Specimen ◽  
Morphological Studies ◽  
Perfect Form ◽  
Molecular Length ◽  
Lamellar Texture ◽  
Cost Studies

Polyethylene is one of the most important plastics produced today because of its good physical properties, ease of fabrication and low cost. Studies to improve the properties of polyethylene are leading to an understanding of its crystalline morphology. Polyethylene crystallized by evaporation from dilute solutions consists of thin crystals called lamellae. The polyethylene molecules are parallel to the thickness of the lamellae and are folded since the thickness of the lamellae is much less than the molecular length. This lamellar texture persists in less perfect form in polyethylene crystallized from the melt.Morphological studies of melt crystallized polyethylene have been limited due to the difficulty of isolating the microstructure from the bulk specimen without destroying or deforming it.

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