mechanical loads vs mechanical strains

Both 'mechanical loads' and 'mechanical strains' are correct phrases, but they refer to different concepts in the field of mechanics. 'Mechanical loads' typically refer to forces applied to a structure, while 'mechanical strains' refer to the deformation or change in shape that results from these forces. Therefore, the choice between the two phrases depends on whether you are discussing the forces acting on a structure or the resulting deformation.

Last updated: March 25, 2024 • 912 views

This phrase is correct and commonly used in the field of mechanics to refer to forces applied to a structure.

"mechanical loads"

Use 'mechanical loads' when referring to the external forces acting on a structure, such as tension, compression, or shear forces.

Examples:

The bridge was designed to withstand various mechanical loads, including wind and traffic.
Engineers need to consider different types of mechanical loads when designing a new building.

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Trains must withstand the mechanical loads due to pressure variations in tunnels.
Specific wheel-rail contact points at switches and crossings and the mechanical loads on the diverging track of a switch, which allow to control the risk of derailment, constitute interfaces with the rolling stock subsystem.
MOSLEY antennas are constructed for highest mechanical loads and withstand windloads of (EIA Standard) 125km/h.
Determination of start-up and shut-down periods for combustion plants generating electricity or delivering power for mechanical drive using load thresholds
If the outer layer has a mechanical (load carrying) function, the container shall be burst tested according to the requirements of paragraph 2.2. of this annex, after exposing to a representative UV-radiation;
CEN | EN 619:2002 Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads | 14.8.2003 | - | |
Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads | - | |
CEN | EN 619:2002 Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads | | |
Mechanical couplings between tractor and towed vehicle and the vertical load on the coupling point
The mechanical characteristics of the wheel shall be proven by mechanical strength calculations, taking into account three load cases:
- mechanical couplings between tractor and towed vehicle, including the vertical load on the coupling point,
This covers principally expenditure in respect of works in connection with the mechanical resistance of roads to the loads applied to them.
Vertical load on the coupling point (S) means the load transmitted, under static conditions on the reference centre of the mechanical coupling.
1. The employer shall take appropriate organizational measures, or shall use the appropriate means, in particular mechanical equipment, in order to avoid the need for the manual handling of loads by workers.
Detailed mechanical boundary characteristics for the mass and the static resistance are described in standard EN 12663:2000, the longitudinal and vertical static loads for the vehicle bodies corresponding to category P-II as minimum.
The mechanical characteristics of the wheels shall ensure the transmission of forces and torque as well as the resistance against thermal load where so required in accordance with the area of use.
Annex IV to Directive 2009/144/EC of the European Parliament and of the Council [2] sets out general provisions and requirements for mechanical couplings between tractor and towed vehicle and vertical load on the coupling point.
The mechanical coupling components on the tractor must conform to the dimensional and strength requirements in point 3.1 and point 3.2 and the requirements for the vertical load on the coupling point in point 3.3.
For combustion plants generating electricity and for combustion plants for mechanical drive, the start-up period shall be considered to end at the point when the plant reaches the minimum start-up load for stable generation.
pallet means: a device on the deck of which a quantity of goods can be assembled to form a unit load for the purpose of transporting it, or of handling or stacking it with the assistance of mechanical appliances.

Alternatives:

external forces
applied forces
structural loads
force application
load distribution

This phrase is correct and commonly used in the field of mechanics to refer to the deformation or change in shape that results from applied forces.

"mechanical strains"

Use 'mechanical strains' when referring to the deformation or change in shape that occurs in a material or structure due to applied forces.

Examples:

The material exhibited significant mechanical strains under high loads.
Engineers studied the mechanical strains in the bridge to ensure its structural integrity.

Show examples from the web [+]

For instruments which are used under special mechanical strain, e.g. instruments incorporated into vehicles, the manufacturer shall define the mechanical conditions of use.
We're simply trying to recreate in this tiny chip the smallest functional unit that represents the biochemistry, the function and the mechanical strain that the cells experience in our bodies.
The fuel system, including any seals, shall have sufficient mechanical strength to withstand the strains caused by expected normal usage.

Alternatives:

deformation
strain behavior
material deformation
structural strains
force-induced deformation

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mechanical loads vs mechanical strains