Aura231 发表于 2025-3-26 21:42:16
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Micromechanics-Based Design of Strain Hardening Cementitious Composites (SHCC)scale, linking the microstructure at micro scale with the composite tensile behavior at macro scale through fiber bridging properties at meso scale. Micromechanics relates macroscopic properties of SHCC to its microstructures, and forms the theoretical basis of SHCC design theory. So the single fibeDefault 发表于 2025-3-27 13:15:05
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Novel Experimental Method to Determine Crack-Bridging Constitutive Relationship of SHCC Using Digitasites (SHCCs), careful control of σ–δ relationship is the key to the successful design of SHCCs. Due to the multiple cracking nature of SHCCs with tight crack spacing, direct measurement of σ–δ constitutive relationship over a single crack is challenging, as any reasonably sized physical gauge lengtdefray 发表于 2025-3-28 04:16:08
Healing of Interface Between Polyvinyl Alcohol (PVA) Fiber and Cement Matrix thus have demonstrated autogenous healing capability in the presence of water. The autogenous healing of PVA-SHCC leads to certain degree of mechanical recovery, which indicates the constitutive fiber-bridging across the crack may be strengthened. Fundamentally the fiber-bridging behavior is subjecStress-Fracture 发表于 2025-3-28 10:00:52
http://reply.papertrans.cn/88/8787/878622/878622_39.pngear-canal 发表于 2025-3-28 11:58:11
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