期刊
POLYMERS
卷 14, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/polym14224939
关键词
performance-optimized multi-axial geogrid; pre-punched structure design; tensile forming; finite element simulation
资金
- Funder: The Fund of the Key Search and Development Program of Shandong Province [2021ZLGX01]
In order to address the low transverse tensile strength issue of triaxial geogrid, a performance-optimized multi-axial geogrid (POMG) capable of withstanding larger transverse loads was designed. The forming equipment and process of POMG were designed, and through formability and mechanical property tests, POMG with good formability and mechanical properties, especially the one with circular and semicircular holes, achieved the highest average tensile strength exceeding 16 KN/m. Numerical simulation further validated the feasibility of the process and provided guidance on shape distribution and stress-strain behavior of POMG during the forming process.
In order to solve the problem of low transverse tensile strength of triaxial geogrid, a kind of performance-optimized multi-axial geogrid (POMG) that can bear larger transverse loads was designed. Firstly, the forming equipment and process of POMG are designed. Secondly, through the test of formability and mechanical properties, the POMG with good formability and mechanical properties is obtained, and the average tensile strength of POMG with circular and semicircular holes is the highest, reaching more than 16 KN/m. Finally, the feasibility of the process is further verified by numerical simulation, and the shape distribution and stress-strain law of POMG during the forming process are obtained, which provides further guidance for the actual production.
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