Experimental testing of deformed rebar anchors (DRAs) has not been performed extensively, so there is limited test data to understand their failure behavior. This study aims expand upon these tests and the behavior anchors, when loaded in tension. Analytical benchmark models were created using available a parametric was performed. Anchor diameter, spacing, embedment, number varied for total 49 ...

Abstract Rock stress is causing unwanted deformations of deep underground spaces. Large increase the risk failure. The excavation causes rock changes in surrounding mass, and resulting can be measured. In this paper, we present a method to monitor mass using rebar bolts instrumented with strain gauges track within bolt. Next that, describe in-situ testing heating-induced natural environment. he...

It is important to apply the Length types of Processed Rebar Simplification (LPRS) rebar work for improving efficiency and reducing labor in construction fields. However, when used excessively, LPRS can also bring about adverse results, as increase amount wasted rebars scale with cutting process, leading an material cost. Therefore, it crucial find a proper level simplification considering cost...

It seems that virtually every technical paper which describes a new technology to "make the world a better place", includes the term "smart" to refer to some aspect of this new technology. The technical literature is filled with smart capacitors, smart resistors, smart rectifiers, smart op-amps, smart memory, smart circuits, smart cards, smart systems, smart networks, smart partners, smart opin...

3D printing with concrete is a promising new method for rapid, low cost construction. The flexural strengths reinforced/unreinforced and printed/cast Warren trusses were tabulated the failure mechanisms reported. types of reinforcement used rebar(basalt steel), mesh (basalt aramid). effect loading geometry speed was measured basalt aramid composite, respectively. Due to expected variation in fl...

in this paper, load and buckling mode of a smart column are presented. the theoretical model is a three-layer piezoelectric composite beam that behaves as an axial actuating mechanism. this actuator consists of an elastic core sandwiched between two piezoelectric active outer layers. the piezoelectric layers are polarized transversely, i.e., the polarization vector is parallel to the applied el...