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ASME BTH 1 2011 PDF

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ASME BTH-1 now defines the design requirements of a lifter in terms of the rated load, the Design .. ANSI/NFPA , National Electrical Code. AN AMERICAN NATIONAL STANDARD. ASME BTH-1– (Revision of ASME BTH-1–). Design of. Below-the-Hook. Lifting Devices. ASME B ASME BTH ASME has been defining crane safety since ASME B addresses Structural and Mechanical Lifting.


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ASME BTH1 - pdf - Free download as PDF File .pdf), Text File .txt) or read online for free. This standard serves as a guide to designers, manufacturers, and users of below-the-hook lifting devices. BTH-1_pdf. ASME B - Below-The-Hook Lifting Devices BTH-1 provides minimum structural and mechanical design and electrical component selection criteria for ASME B below-the-hook lifting devices. This book is available , , , DRM Enabled PDF. Immediately.

The provisions in this Standard apply to the design or modification of below-the-hook lifting devices. Compliance with requirements and criteria that may be unique to specialized industries and environments is outside of the scope of this Standard. BTH-1 addresses only design requirements. As such, this Standard should be used in conjunction with B30. BTH-1 does not replace B30.

Asme Bth-1-2008 Design of Below-The-hook Lifting Devices

The provisions in this Standard apply to the design or modification of below-the-hook lifting devices. Compliance with requirements and criteria that may be unique to specialized industries and environments is outside the scope of this Standard. ASME B30. The provisions defined in this Standard address the most common and broadly applicable aspects of the design of below-the-hook lifting devices.

Resolution of loads into forces and stress values affecting structural members, mechanical components, and connections shall be performed by an accepted analysis method.

1 pdf 2011 bth asme

The analysis techniques and models used by the qualified person shall accurately represent the loads, material properties, and device geometry; stress values resulting from the analysis shall be of suitable form to permit correlation with the allowable stresses defined in this Standard.

Lifting devices manufactured after the effective date shall conform to the requirements of this Standard.

2011 1 pdf bth asme

When a lifter is being modified, its design shall be reviewed relative to this Standard, and the need to meet this Standard shall be evaluated by the manufacturer or a qualified person. Other materials may be used, provided the margins of safety and fatigue life are equal to or greater than those required by this Standard.

The design strength of welds shall be as defined in para.

Asme Bth 1 2011 Pdf Free

When conflicts exist between AWS D14. Welding of lifters fabricated from metals other than steel shall be performed in accordance with a suitable welding specification as determined by a qualified person, provided the quality and inspection requirements are equal to or greater than those required by this Standard.

When the temperature of the component is beyond these limits, special additional design considerations may be required.

Other books: ASM HANDBOOK PDF

These considerations may include choosing a material that has better cold-temperature or hightemperature properties, limiting the design stresses to a lower percentage of the allowable stresses, or restricting use of the lifter until the component temperature falls within the stated limits.

Lifters expected to operate in ambient temperatures beyond this limit shall have electrical components designed for the higher ambient temperature. The paragraph given after the definition of a term refers to the paragraph where the term is first used. The device may contain components such as slings, hooks, and rigging hardware that are addressed by ASME B30 volumes or other standards section 1-1.

(PDF) Design of Below-the-Hook Lifting Devices | SASIKUMAR VELAYUDHAM - Academia.edu

Tension stress is considered to have the opposite algebraic sign from compression stress para. The term applies to both hydraulics, which uses a pressurized liquid such as oil or water, and pneumatics, which uses compressed air or other gases section 4-11. Values are given in U. Customary units as the primary units followed by the This Standard provides minimum structural and International System of Units SI in parentheses as the mechanical design and electrical component selection secondary units.

The values stated in U. The SI units Devices.

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Customary units. Com- pliance with requirements and criteria that may be 1-4.

1 asme 2011 pdf bth

All below-the-hook lifting devices shall be designed Lifting devices designed to this Standard shall comply for specified rated loads, load geometry, Design with ASME B30. Resolution of loads into forces and stress marking, construction, installation, inspection, testing, values affecting structural members, mechanical compo- maintenance, and operation of below-the-hook lifting nents, and connections shall be performed by an devices.

Bth 2011 pdf 1 asme

The provisions defined in this Standard address the most common and broadly applicable aspects of the 1-4. A qualified The allowable stresses and stress ranges defined in person shall determine the appropriate methods to be this Standard are based on the assumption of analysis used to address design issues that are not explicitly by classical strength of material methods models , covered in the standard so as to provide design factors although other analysis methods may be used.