In order to study the distribution of stress and deformation variable cross-section continuous box girder bridge, in this paper, finite element method is used establish model bridge. Considering layout lane load, combination working conditions calculated, bridge are analysed. The results show that maximum generally occurs at beam span middle section or support, sometimes value vehicle load poin...

In the present paper, an analytical approach is used to study the thermal deflections of a simply supported composite plate with a beam-like stiffener. The results for a plate–beam system exposed to a sinusoidal thermal load is used to study the effects of the low Earth orbit (LEO) thermal conditions on the composite plates, which have been used in the structure of satellites and spacecraft. To...

Testing methods are required for estimating prestress losses in Prestressed Concrete (PC) girder-bridges. They mainly include destructive approaches which cause significant damages. Conversely, dynamic nondestructive unsuitable. Given these findings, a novel method identifying residual force simply supported PC girder-bridges was implemented. Following the vertical load application three-point ...

Keselamatan dan Kesehatan Kerja merupakan suatu hal yang sangat penting di dunia konstruksi karena bersinggungan langsung dengan pekerja, perhitungan potensi risiko salah dapat mengakibatkan terjadinya kecelakaan kerja terutama kepada para pekerja Indonesia sendiri pada pekerjaan erection girder masih sering terjadi, sekitar 6 insiden terkait terjadi dalam kurun waktu 2017-2021 maka penelitian ...

double bridge girder overhead cranes are used for heavy duty applications in theindustry. in this paper a detailed parametric design optimization of the main girder of box type isperformed for a 150ton capacity and 32m long span crane, after its basic design using availabledesign rules. design optimization is performed using detailed 3d finite element analysis bychanging the number, shape and l...

Abstract: Steel-concrete composite beam cable-stayed bridge is a complicated system consisting of a composite beam, tower, and stayed cables. And the composite beam is composed of a steel beam, bridge deck and connectors, which has a different mechanical behavior from the general beam structure. In a word, the steel-concrete composite beam cable-stayed bridge is characterized by specific mechan...