Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Design Example: Managing Concrete Workability

Design Example: Managing Concrete Workability

This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.

Microcracking in Concrete

Microcracking in Concrete

Microcracking in concrete refers to the tiny cracks that can form within the material even before any external load is applied. These microcracks typically occur at the interface between the coarse aggregate and the hydrated cement paste, often as a result of differential volume changes prompted by variations in stress-strain behavior, as well as thermal and moisture movement. Initially, these microcracks remain stable and do not grow substantially until the concrete is stressed to about 30...

Abrasion Resistance of Concrete

Abrasion Resistance of Concrete

Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...

Measurement of Air Content in Concrete

Measurement of Air Content in Concrete

Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...

Non-destructive Tests for Concrete Strength

Non-destructive Tests for Concrete Strength

The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it...

Workability of Concrete

Workability of Concrete

The workability of concrete is a crucial property that affects its handling, placing, and finishing during construction. It describes the ease with which concrete can be mixed, placed, compacted, and finished. Workability is primarily concerned with the concrete's movement and its ability to resist internal friction and external resistance from molds and reinforcements during the application process.
Concrete's workability is determined by its resistance to internal forces that arise...

You might also read

Related Articles

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

Sort by

Same author

Simulation of ultra-fast structured illumination in single-photon sensitive single-pixel lidar.

Optics express·2025

Same author

Boreal Forest Fire: UAV-collected Wildfire Detection and Smoke Segmentation Dataset.

Scientific data·2025

Same author

LiPheStream - A 18-month high spatiotemporal resolution point cloud time series of Boreal trees from Finland.

Scientific data·2024

Same author

3D indoor area recognition for personnel security using integrated UWB and barometer approach.

Scientific reports·2024

Same author

Multispectral Light Detection and Ranging Technology and Applications: A Review.

Sensors (Basel, Switzerland)·2024

Same author

Feasibility of Hyperspectral Single Photon Lidar for Robust Autonomous Vehicle Perception.

Sensors (Basel, Switzerland)·2022

Search research articles

Related Experiment Video

Updated: Oct 8, 2025

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

Performance Assessment of Reference Modelling Methods for Defect Evaluation in Asphalt Concrete.

Pauli Putkiranta¹, Matti Kurkela¹, Matias Ingman¹

¹Department of Built Environment, Aalto University, 02150 Espoo, Finland.

Sensors (Basel, Switzerland)

|December 28, 2021

Summary

Accurate road condition data is crucial for infrastructure maintenance. High-resolution photogrammetry and terrestrial laser scanning (TLS) offer reliable 3D road surface measurements, outperforming handheld scanners for defect analysis.

Keywords:

laser scanning pavement defects photogrammetry reference measurements road maintenance structured light

More Related Videos

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Published on: January 6, 2023

Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars

Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars

Published on: November 1, 2018

Related Experiment Videos

Last Updated: Oct 8, 2025

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Determination of the Friction Coefficients of Icy Pavements Under Different Amounts of Snowfall

Published on: January 6, 2023

Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars

Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars

Published on: November 1, 2018

Area of Science:

Civil Engineering
Geomatics Engineering
Infrastructure Management

Background:

Deteriorating road conditions and maintenance deficits challenge infrastructure reliability, impacting safety and traffic flow.
Improved road maintenance requires accurate, high-resolution data on road surface conditions.
3D mapping offers potential for large-scale road data collection and automated maintenance assessment.

Purpose of the Study:

To evaluate close-range, static, high-resolution 3D measurement methods for road surfaces.
To establish reliable reference data for the development of large-scale mobile road assessment techniques.
To compare the performance of various 3D measurement instruments for road defect analysis.

Main Methods:

Investigated terrestrial laser scanning (TLS), professional-grade and industrial photogrammetry, and structured-light handheld scanners.
Established high-resolution photogrammetry as a reference method based on laboratory measurements and point density.
Compared instrumentations using cross-sections, point-to-point distances, defect metric extraction, and qualitative processing assessment.

Main Results:

Photogrammetric models achieved the highest resolutions (10-50 million points/m²).
Photogrammetry and TLS demonstrated robust precision with consistent sub-millimeter offsets.
Handheld scanners exhibited inconsistent performance in precision and data quality.

Conclusions:

High-resolution photogrammetry and TLS are suitable for generating precise reference data for road condition assessment.
The choice of instrumentation impacts data resolution, precision, and practical application in road maintenance.
Further development of mobile 3D mapping methods requires reliable static reference measurements.