Civil Engineering

Digital image correlation (DIC) technology is used in the field of civil engineering to evaluate and monitor material behavior and structural performance, such as in mechanical tests like tension, compression, three-point/four-point bending, Hopkinson bar, blast impact, rock splitting, and similar material models, enabling quantitative analysis of the mechanical properties of materials and structures.

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Civil engineering materials and structure testing, concrete rock mechanics testing, vibration simulation testing, rock coal settlement simulation testing, Hopkinson bar testing, 3D strain measurement system, XTOP3D
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Empowering Scenarios

  • Multi-camera digital image correlation (multi-camera DIC) is used to analyze the displacement and strain distribution of the concrete specimen's 360° surface, clearly recording the deformation and crack propagation at key locations of the structure. This solves the problem of conventional DIC products being unable to measure strain in a full 360° field.

    360° measurement of concrete cylinder compression

    360° measurement of concrete cylinder compression

  • Wood is an isotropically inhomogeneous material with complex deformation. DIC technology, used in shear testing of wood, can observe the overall strain distribution on its surface and analyze elongation, strain, and critical buckling curves under different loads, providing data for improving shear performance.
    Shear resistance of wood structures

    Shear resistance of wood structures

  • DIC technology can be used to simulate vibration testing of houses during earthquakes, simulate vibration collapse testing of slope structures, accurately measure the dynamic response of civil structure models, analyze the coordinates and displacements of key points on the surface of the structure during vibration, and obtain the overall displacement and vibration characteristic data of the structure under excitation.
    Civil engineering and construction vibration simulation test

    Civil engineering and construction vibration simulation test

  • In high-speed impact tests, the high-speed DIC measurement system controls a high-speed camera to capture dynamic impact transient images of material specimens and output stress-strain curves, which assists in numerical simulation of materials and facilitates the engineering design and application of new civil materials.
    High-speed measurement (explosion, impact, fracture testing, etc.)

    High-speed measurement (explosion, impact, fracture testing, etc.)

  • By using similar material simulation tests and DIC technology to observe the displacement and strain fields on the surfaces of coal mining models, tunnel collapse models, etc. in real time, the evolution of cracks can be clearly presented. This is of great value in preventing crack growth from leading to structural collapse and water seepage, and in taking timely protective measures.
    Similarity model test of coal rock settlement deformation

    Similarity model test of coal rock settlement deformation

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