Two new species of (Erythrogloeaceae, Diaporthales) associated with canker disease in China.

The genus is known to inhabit tree barks associated with branch canker diseases in China and several countries of Europe. Previous studies indicated that species of prefer inhabiting fagaceous hosts, especially species of . In the present study, we obtained four isolates from cankered branches of Chinese chestnut () in Rizhao City, Shandong Province, China.

Damage Evaluation of Concrete Column under Impact Load Using a Piezoelectric-Based EMI Technique.

One of the major causes of damage to column-supported concrete structures, such as bridges and highways, are collisions from moving vehicles, such as cars and ships. It is essential to quantify the collision damage of the column so that appropriate actions can be taken to prevent catastrophic events. A widely used method to assess structural damage is through the root-mean-square deviation (RMSD) damage index established by the collected data; however, the RMSD index does not truly provide quantitative information about the structure.

Study of Impact Damage in PVA-ECC Beam under Low-Velocity Impact Loading Using Piezoceramic Transducers and PVDF Thin-Film Transducers.

Compared to conventional concrete, polyvinyl alcohol fiber reinforced engineering cementitious composite (PVA-ECC) offers high-strength, ductility, formability, and excellent fatigue resistance. However, impact-induced structural damage is a major concern and has not been previously characterized in PVA-ECC structures. We investigate the damage of PVA-ECC beams under low-velocity impact loading.