TY  - BOOK
AU  - Kim,Gyuchun
AU  - Wireland,Martin
AU  - Brotton,D.M.
AU  - Przybylo,Waclaw,D.Sc
ED  - DAAD, Federal Republic of Germany, 
TI  - Effect of vehicle braking on dynamic response of girder bridge
T2  - Thesis
PY  - 1986///
CY  - Bangkok
PB  - Asian Institute of Technology
KW  - Vehicles
KW  - Brakes
KW  - Bridges, Box girder
KW  - Dynamics
N1  - A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology; Thesis (M.Eng.) - Asian Institute of Technology, 1986
N2  - The dynamic response of a simply-supported bridge due to the  effect of vehicle braking is analyzed when only one vehicle  passes and when several vehicles pass with a fixed time interval.  The braking is applied to the vehicle either continuously or  periodically. The vehicle is modelled as an unsprung single-axle  and double-axle system. The bridge is represented by a lumped  mass finite element model. The dynamic response of the bridge is determined using the Newmark integration method. The effete of  the randomly varying braking force , generated by a single-axle  vehicle moving over a rough bridge deck, is considered using  simulation techniques. From a statistical analysis of the corresponding maximum dynamic responses, impact factors for displacement , moment and shear responses are calculated. In addition,  impact factors resulting from different braking manner, passage  of one vehicle or several vehicles and pavement properties  (smooth , rough ) are compared with those given in a number of  bridge codes. They are considerably larger than those specified  in codes. The analysis shows that the single-axle vehicle causes  very large and high frequency oscillations in the shear force due  to a singularity of the shear force at the position of the  vehicle
UR  - http://203.159.5.9/ait-thesis/detail.php?q=B19744
ER  -