Pullout tests on geogrids have been regarded as the most direct way to investigate geogrid–soil interaction. In pullout geogrids, either static or dynamic load is commonly used for applying vertical loads. order influence of and test results, are carried out analyze mechanical response soils under from large-scale tester. The results show that frequency amplitude significant effects load. inter...

INTRODUCTION: Rotator cuff injuries account for more than 4.5 million physician visits annually in the U.S. Injuries to the rotator cuff are typically treated arthroscopically by using implanted suture anchors for the repair. Common suture anchor designs include variations in thread design and the material used. The primary objective of this study was to understand and model the effects of fron...

Indications exist in literature that a screw's pullout behaviour is among others influenced by the relative deformability of the screw and its hosting material. In addition it is known that the stress field developed in the vicinity of an orthopaedic implant significantly influences bone remodelling. In this context an experimentally validated finite element model of a screw and its hosting mat...

Carbon nanotube (CNT) reinforced polymeric composites provide a promising future in structural engineering. To understand the bridging effect of CNT in the events of the fracture of CNT reinforced composites, the finite element method was applied to simulate a single CNT pullout from a polymeric matrix using cohesive zone modelling. The numerical results indicate that the debonding force during...

This paper presents the results of an experimental study on the effect of limestone powder on the compressive strength, tensile behavior, and micromechanical parameters of a highly ductile cement composite incorporating limestone powder. Four mixtures were determined according to the replacement ratio of cement with limestone powder. A series of experiments including compressive strength, uniax...

This paper presents an investigation on the bond behavior of carbon fabric-cementitious matrix interface within fabric reinforced cementitious (FRCM) composite. The embedded yarn shows a complicated due to stochastic and incomplete impregnation can be subdivided into outer (impregnated) inner (non-impregnated) parts. Pullout tests were carried out FRCM composite aiming at examining effect betwe...

OBJECTIVE The objective of this study was to assess the primary stability of different orthodontic mini-implants inserted into different maxillary and mandibular regions of swine. MATERIAL AND METHODS One hundred eighty orthodontic mini-implants produced by 5 different manufacturers, all presenting several shapes, were divided into 5 groups: Mondeal (M), Neodent (N), SIN (S), INP, and Titaniu...

page 62 Abstract: A fiber pullout test for examining controlled interfaces in fiber reinforced polymers has been designed and demonstrated. This test has been utilized in determining interfacial fracture toughness for sapphire/epoxy single fiber composite specimens. Some of these specimens incorporated a self-assembled monolayer at the sapphire/ epoxy interface as a means of adhesion control—th...

PURPOSE There are few studies on biomechanical evaluation of suture points in repair of root tears. The purpose of this study was to determine the point of greatest pullout strength for root tear repair. MATERIALS AND METHODS A total of 120 fresh porcine medial menisci were obtained. The red-red and red-white zones of the meniscus were divided by two lines designated as lines A and B (groups ...

In this paper, the inelastic damage process in Engineered Cementitious Composites (ECC) in the high stress concentration zone adjacent to the head of an embedded anchor under tensile load was examined experimentally and numerically. An FEM model together with a tensile strain-hardening material model of ECC was developed to simulate the damage process leading to final failure. Experimental obse...