Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Structural Properties and Dimensions of Lumber01:21

Structural Properties and Dimensions of Lumber

309
Wood's structural properties derive from fibers aligned along the tree's length, contributing significantly to its mechanical strength. Wood exhibits up to twenty times greater tensile strength along these fibers compared to across them, and generally shows better performance under compression than tension. The length of fibers varies, with hardwoods having fibers around one twenty-fifth inch long and softwoods ranging from one-eighth to one-third inch.
The strength characteristics of...
309
Distribution of Stresses in a Narrow Rectangular Beam01:11

Distribution of Stresses in a Narrow Rectangular Beam

400
In studying beam stress distribution, examining an elemental section is essential. To determine the average shearing stress on this face, the calculated shear is divided by the surface area. Importantly, shearing stresses on the beam's transverse and horizontal planes mirror each other, indicating a consistent stress distribution along the upper region of the beam. Notably, shearing stresses are absent at the beam's upper and lower surfaces due to the absence of applied forces in these...
400
Softwoods and Hardwoods01:28

Softwoods and Hardwoods

378
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
378
Wood Surfacing01:14

Wood Surfacing

247
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
247
Lumber01:19

Lumber

290
Lumber is derived from logs which are harvested, debarked, and processed into long pieces with a rectangular cross-section. The transformation of logs into lumber involves multiple steps, beginning with an automated saw that slices the log into slabs. These slabs are then transported via a conveyor belt to smaller saws, where they are cut into square-edged pieces of specific widths.
Initially, the surfaces of these lumber pieces are rough, and their dimensions may vary slightly from one end to...
290
Unsymmetric Loading of Thin-Walled Members: Problem Solving01:07

Unsymmetric Loading of Thin-Walled Members: Problem Solving

369
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
369

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The effects of taphonomic color alteration upon skeletal recovery rates during surface searches.

Journal of forensic sciences·2025
Same author

Fragmentation characteristics of long bones resulting from impact of different ammunition sizes.

Journal of forensic sciences·2025
Same author

Skeletal recovery rates in a New England environment.

Journal of forensic sciences·2025
Same author

Comparative analysis of fetal pig decomposition processes in burials of variable depths and wrapping.

Journal of forensic sciences·2022
Same author

Preliminary study of gull (Laridae) scavenging and dispersal of vertebrate remains, Shoals Marine Laboratory, Coastal New England.

Journal of forensic sciences·2022
Same author

Bone dispersal by vertebrate taxa in an urban park environment in New England, USA.

Forensic science international·2021

Related Experiment Video

Updated: Dec 8, 2025

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat
09:30

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat

Published on: April 26, 2013

13.3K

Correlation between saw blade width and kerf width.

Melissa Menschel1, James T Pokines1,2, Gary Reinecke1

  • 1Forensic Anthropology Program, Department of Anatomy and Neurobiology, Boston University School of Medicine, Boston, Massachusetts, USA.

Journal of Forensic Sciences
|September 21, 2020
PubMed
Summary

This study found that saw blade width positively correlates with minimum kerf width (MKW) in forensic analysis. Mechanical saws produced wider kerfs than manual saws, with bone restraint also significantly affecting MKW.

Keywords:
dismembermentfalse start kerfsforensic anthropologyminimum kerf widthsaw markssharp force trauma

More Related Videos

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

1.5K
Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.6K

Related Experiment Videos

Last Updated: Dec 8, 2025

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat
09:30

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat

Published on: April 26, 2013

13.3K
Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis
06:56

Author Spotlight: Advancements in X-ray CT Tool Chain for Tree Core Analysis

Published on: September 22, 2023

1.5K
Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
07:53

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Published on: April 27, 2019

8.6K

Area of Science:

  • Forensic Science
  • Anthropology
  • Biomechanical Engineering

Background:

  • Traditional saw mark analysis in forensic science primarily relies on morphological characteristics.
  • Metric analysis of saw marks, specifically minimum kerf width (MKW), offers a complementary approach for tool mark identification.
  • Understanding the relationship between saw blade dimensions and kerf width is crucial for accurate forensic casework.

Purpose of the Study:

  • To investigate the correlation between saw blade width and minimum kerf width (MKW) using metric analysis.
  • To compare MKWs produced by manual-powered versus mechanical-powered saws.
  • To assess the influence of specimen restraint on MKW.

Main Methods:

  • Utilized 56 partially defleshed white-tailed deer long bones as a proxy for human remains.
  • Created 496 false start kerfs (FSKs) using 11 manual and 5 mechanical saws.
  • Employed Hierarchical Linear Modeling (HLM) for statistical analysis, comparing restrained and minimally restrained specimens.

Main Results:

  • A statistically significant positive relationship was found between saw blade width and MKW (p < 0.001).
  • Mechanical saws produced MKWs that were, on average, 18.7% greater than those from manual saws (p = 0.029).
  • Bone restraint significantly affected MKW in manual saw applications (p = 0.009).

Conclusions:

  • Metric analysis, specifically MKW, provides valuable quantitative data for correlating saw marks to specific tools.
  • Saw blade width and saw type are significant factors influencing MKW, aiding in the identification of saws used in dismemberment cases.
  • The restraint condition of the bone is a critical variable to consider in the analysis of saw marks.