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one of the new methods for electrical powering of the bridge health monitoring systems is applying energy harvesting systems using bridge vibration. in this method, the piezoelectric material is employed for converting mechanical energy into electrical energy. the advantage of this method is based on not implementing the battery charging system. in previous research, some studies have been done...

abstract our religious teachings show a bridge on hell that in the hereafter, all will inevitably pass over it. the bridge path is very slippery and difficult to pass and has obstacles that each is called by particular name. peoplepass overit invariousforms. some fall to the depths of hell, some hop or suspend and a group pass quickly and easily.this paper studies and analyzes these teachings b...

A series of 8 new complexes of titanium and zirconium with diamido ligands bearing an ethylene and propylene bridge between the two amido groups were synthesized and tested for ethylene polymerization. Titanium complexes bearing an ethylene bridge between the two amido groups showed higher activities than the derivatives with a propylene bridge. In the case of the zirconium complexes, the p...

We consider the problem of finding an orientation with minimum diameter of a connected bridgeless graph. Fomin et. al. [7] discovered a relation between the minimum oriented diameter an the size of a minimal dominating set. We improve their upper bound.

We examine and compare several different classes of “balanced” block codes over q-ary alphabets, namely symbolbalanced (SB) codes, charge-balanced (CB) codes, and polaritybalanced (PB) codes. Known results on the maximum size and asymptotic minimal redundancy of SB and CB codes are reviewed. We then determine the maximum size and asymptotic minimal redundancy of PB codes and of codes which are ...

Irregularities in bridge pier stiffness concentrate the ductility demand on short piers; while not operating on the longer and more flexible ones. The existence of non-uniform, ductility demand distribution in bridges significantly influences seismic response. As such, this paper proposes a new approach for balancing the ductility demand in irregular bridges by utilizing shape memory alloys (SM...

Highway bridges are frequently constructed as simple span structures with steel or concrete girders and a cast-in-place concrete deck, spanning from one pier to another. At each end of the simple span deck, a joint is provided for deck movement due to temperature, shrinkage, and creep. Bridge deck joints are expensive and pose many problems with regard to bridge maintenance. Elimination of deck...