Work-related injuries continue to be a major financial issue for employers, particularly in small construction firms across the United States. The financial burden of serious work-related injuries and illnesses impacts large and small firms alike, as do the hidden indirect costs that come with work-related injuries, such as lost work time, replacement workers, administrative costs, low morale, ...

In this paper, a multi-objective method is used to optimize a heat recovery steam generator (HRSG). Two objective functions have been used in the optimization, which are irreversibility and HRSG equivalent volume. The former expresses the exergetic efficiency and the latter demonstrates the cost of the HRSG. Decision variables are geometric and operational parameters of the HRSG. The result...

In this paper, a multi-objective method is used to optimize a heat recovery steam generator (HRSG). Two objective functions have been used in the optimization, which are irreversibility and HRSG equivalent volume. The former expresses the exergetic efficiency and the latter demonstrates the cost of the HRSG. Decision variables are geometric and operational parameters of the HRSG. The results of...

For some years an intense debate regarding the building costs has been ongoing in Sweden and reducing construction costs is highly prioritised among the construction companies. At the same time, passive houses have started to appear on the Swedish market and so far the construction costs for these have been higher compared to tradition1al houses. It is therefore important to investigate the con...

in this paper, a multi-objective method is used to optimize a heat recovery steam generator (hrsg). two objective functions have been used in the optimization, which are irreversibility and hrsg equivalent volume. the former expresses the exergetic efficiency and the latter demonstrates the cost of the hrsg. decision variables are geometric and operational parameters of the hrsg. the results of...

In pipe spool assemblies used in construction, pre-fabrication errors inevitably occur due to the complexity of the tasks involved in the pipe spool fabrication process, the inaccuracy of the tools employed for performing these tasks, human error, and inadequate inspection and monitoring during the process. Permanent deflections may also occur during shipment and transportation. After delivery ...

abstract one of the problems in design of irrigation structures is sedimentation control in the inlet to the irrigation networks. water quality for agriculture requires that the sediments be controlled and reduced to the permissible limit at their entrance point to the turnouts and irrigation networks. this is possible by constructing a sedimentation basin. the bigger the basin, the best the re...

Deciduous plants avoid the costs of maintaining leaves in the unfavourable season, but carry the costs of constructing new leaves every year. Deciduousness is therefore expected in ecological situations with pronounced seasonality and low costs of leaf construction. In our study system, a seasonally dry tropical savanna, many trees are deciduous, suggesting that leaf construction costs must be ...

The main goal of this work is the analysis potential energy and green benefits 3D printing on building construction. Current literature reports a considerable number for printing, namely, reduction material use, lower operational costs time-saving. authors also mention design freedom, higher efficiency, productivity quality. This presents latest developments in civil engineering, review last pr...