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Long-term constant uniaxial compressive stress loading of concrete
The durability of green concrete is constant under uniaxial loading and is accurately evaluated.
Type
Equipment
Tags
Other resource gains
Civil engineering design
Uniform stress
Convenient operation
Solution maturity
Development / Pilot validation
Applicable industry
Scientific research and technology services
Applications
Building materials detection
Key innovations
Innovative double connecting rods, grooved pressure plates and spherical support structures ensure long-term constant uniaxial compressive stress loading of concrete and improve loading accuracy and stability.
Potential economic benefits
Improve the accuracy of concrete durability testing, extend structural life, reduce maintenance and reconstruction costs, improve resource utilization efficiency, and bring significant long-term economic benefits.
Potential climate benefits
This loader can accurately test the long-term durability of concrete, optimize concrete formula and structural design, and improve building service life. More durable concrete reduces the need for future renovation or reconstruction, thereby reducing the production and transportation of high-carbon emission building materials such as cement and aggregate, and indirectly achieving carbon emission reductions.
Solution supplier
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Tongji University
Tongji University
Tongji University: The national "double first-class" construction university uses advantageous disciplines such as civil engineering, architecture, transportation, and environment to cultivate innovative talents to serve national construction and sustainable urban development.
Shanghai，China
Solution details

The utility model belongs to the technical field of durability testing of concrete materials, and particularly relates to a concrete long-term constant uniaxial compressive stress loading instrument. It consists of a loading screw, a ball support, a pressure transfer plate, a pressure support upper seat, a pressure support base, a pressure support connecting rod and a sample to be tested. There are two pressure support connecting rods, one end is fixed on the pressure support upper seat, and the other end is fixed on the pressure support base. The sample to be tested is located between the two pressure support connecting rods. Grooves are arranged at both ends of the pressure transfer plate, and the two grooves are respectively embedded with the two pressure support connecting rods. The center of the pressure transfer plate is provided with a spherical crown groove. The ball support is placed in the spherical crown shaped groove of the pressure transfer plate, the loading screw is located in the center of the upper seat of the bracket, and the bottom of the loading screw is connected to the ball support.

Last updated
11:33:01, Nov 04, 2025
Information contributed by
Green Technology Bank

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