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

Microcracking in Concrete01:20

Microcracking in Concrete

218
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...
218
Deleterious Substances in Aggregate01:25

Deleterious Substances in Aggregate

272
Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...
272
Non-destructive Tests for Concrete Strength01:12

Non-destructive Tests for Concrete Strength

196
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...
196
Mortar Joint Deterioration in Masonry01:13

Mortar Joint Deterioration in Masonry

166
Mortar joint deterioration is a significant concern in masonry structures, with water accumulation in the joints leading to damage from freeze-thaw cycles. The repeated expansion of water during freezing and its melting during thawing develop and propagate cracks in the masonry joints. Eventually, this leads to the spalling of mortar from the joints, loosening masonry units and weakening the structure. The deteriorated mortar joints are also vulnerable to moisture intrusion into the walls.
The...
166
Testing Water Quality01:14

Testing Water Quality

192
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
192
Design Example: Sustainability in Concrete Building01:26

Design Example: Sustainability in Concrete Building

230
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
230

You might also read

Related Articles

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

Sort by
Same author

Diagnostics of Large-Panel Buildings-An Attempt to Reduce the Number of Destructive Tests.

Materials (Basel, Switzerland)·2024
Same author

Research on 18th-Century Building Structures in Terms of Static Scheme Changes.

Materials (Basel, Switzerland)·2023
Same author

Diagnostics of the RC Roofing Structure of the 100-Year-Old Municipal Theatre Facility.

Materials (Basel, Switzerland)·2022
Same author

Assessment of Destructive Impact of Different Factors on Concrete Structures Durability.

Materials (Basel, Switzerland)·2022

Related Experiment Video

Updated: Sep 20, 2025

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels
05:26

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels

Published on: October 19, 2022

1.8K

Degradation Analyses of Systemic Large-Panel Buildings Using Comparative Testing during Demolition.

Maciej Wardach1, Janusz R Krentowski1, Piotr Knyziak2

  • 1Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska 45E, 15-351 Bialystok, Poland.

Materials (Basel, Switzerland)
|June 10, 2022
PubMed
Summary

Assessing large-panel buildings is challenging due to NDT uncertainty. This study compared NDT and destructive tests on a demolished building, validating methods for evaluating prefabricated structures.

Keywords:
NDTdegradationdemolitiondestructive testinglarge-panel

More Related Videos

Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars
10:24

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

Published on: November 1, 2018

6.8K
Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures
10:00

Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures

Published on: August 31, 2017

15.5K

Related Experiment Videos

Last Updated: Sep 20, 2025

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels
05:26

Determination of the Mechanical Properties of Flexible Connectors for Use in Insulated Concrete Wall Panels

Published on: October 19, 2022

1.8K
Applicability Analysis of Assessment Methods for Morphological Parameters of Corroded Steel Bars
10:24

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

Published on: November 1, 2018

6.8K
Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures
10:00

Experimental Protocol to Determine the Chloride Threshold Value for Corrosion in Samples Taken from Reinforced Concrete Structures

Published on: August 31, 2017

15.5K

Area of Science:

  • Civil Engineering
  • Structural Health Monitoring
  • Materials Science

Background:

  • Assessing the technical condition of large-panel buildings is difficult due to ongoing use and thermomodernization, leading to high uncertainty in non-destructive testing (NDT) results.
  • Destructive testing offers high confidence but is rarely feasible, while local sampling provides only a partial assessment of prefabricated structures.
  • Joints in precast elements are particularly vulnerable and difficult to access, posing a significant challenge in evaluating structural integrity.

Purpose of the Study:

  • To evaluate the effectiveness of various visual, non-destructive, and destructive testing methods for assessing the technical condition of large-panel buildings.
  • To compare the results from different testing methods, enabling the scaling of NDT techniques and identification of typical defect patterns.
  • To determine the usefulness of specific research methods for the technical evaluation of prefabricated buildings.

Main Methods:

  • Visual inspection of the building exterior and interior.
  • Non-destructive testing (NDT) methods, including [specific NDT methods if available in the abstract].
  • Destructive testing involving large-scale sampling during building demolition.

Main Results:

  • Comparison of visual, NDT, and destructive test results revealed significant discrepancies and highlighted the limitations of NDT methods.
  • Large-scale demolition sampling allowed for the identification of hidden defects, particularly in the joints connecting precast elements.
  • The study established correlations between NDT findings and actual defect conditions, aiding in the calibration and validation of NDT techniques for prefabricated structures.

Conclusions:

  • The technical condition assessment of large-panel buildings requires a combination of methods due to inherent uncertainties in NDT.
  • Destructive testing, though rarely possible, provides crucial data for validating NDT methods and understanding degradation patterns in prefabricated structures.
  • The findings offer valuable insights for improving the reliability of structural health monitoring in similar large-panel buildings.