VALUE ENGINEERING OF RINGIN BANDULAN STELL TRUSS BRIDGE

• Main Author: SAGITA - NIM : 25016061, HANI
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/27700
• Institution: Institut Teknologi Bandung

<p align="justify">Value Engineering in the Ringin Bandulan Bridge Planning which is used as a design optimization process framework with the goal of cost efficiency, as well as to take into account the performance aspects of structural systems that are in accordance with the structural standards of both the structural and alternative structures in accordance with applicable standards in Indonesia. Value Engineering Process requires two value reviews, namely a function parameter review with the use of structural system analysis based on deflection values due to a combination of service load, influences line effect due to centralized line load on each cross-girder position and strees ratio on the truss member, as well as a review of the cost aspects represented with Unit Price Analysis based on guidelines for Price Analysis of the Directorate General of Bina Marga in 2010 Specifications. <br /> <br /> <br /> Value Engineering in the study of a bridge project is a systematic approach, directed effort to analyze the function of a Project work. The target of this technique is to obtain optimum costs, consistent with service requirements, including the reliability, quality and maintenance of the project. Value Engineering studies can reduce project costs; saving costs with optimal material selection both from the quality and the properties associated with technical problems. <br /> <br /> <br /> The Ringin Bandulan Bridge planned in 2015 located at Blitar Regency of East Java Province has an estimated total cost of bridge work of Rp. 24,207,892,000, using a bridge steel frame of the Australian Steel Frame (RBA) A-60 standard type of PUPR with a length of 2 x 60. The total weight of two steel bridge frames reaches 397,800 kg with a bridge procurement cost of Rp. 10,031,521,830.00, this value is equivalent to 56% of the total structure work budget which reaches around Rp. 18,836,283,608.00. In this study this optimization will only review the upper structure of the bridge. The truss bridge used as the initial design is a fabricated RBA A-60 production bridge. <br /> <br /> <br /> Engineering values in this study consist of 4 stages of the work plan namely Information Phase, Creative Stage, Analysis Phase and Recommendation Phase. In the Information Phase, there are existing design data from both consultants and bridge fabrication companies. In the creative stage the author uses two alternative bridge designs, namely the tubular steel frame bridge - HSS and steel box girder bridge which is used as a comparison in the optimization process. In the Analysis phase, structural analysis is carried out through modeling using SAP 2000. The things that are reviewed in this process are deflection in the middle of the span, line of influence and voltage ratio. The structure of the bridge that is recommended is the one that has the largest cost reduction cost of some of the options reviewed <br /> <br /> Based on the Value Engineering study on the bridge structure, the results show that the steel box girder bridge provides the largest reduction compared to two bridges resulting from optimization; that is 7% on the bridge of the W profile profile resulting from optimization and 23% on the tubular frame bridge - HSS optimization results. In the economic size and installation time of the steel box girder bridge is the optimal frame design for the bridge, it can be assumed that the steel box girder bridge has the potential to reduce the overall cost of the bridge construction process.<p align="justify"> <br />