Abstract
Indonesia is the world’s largest archipelago with many major rivers in the big islands of Sumatera, Kalimantan, and Java. As part of its road network, major bridges are constructed to cross these rivers. Considering the span of the bridges and its aesthetic point of view, the application of Long Span Steel Truss Bridges in Indonesia is very popular among others. Its span varies from 70 to 270 meters in length. For long span bridges, aerodynamics is an important aspect for the design and construction of the bridges. In order to ensure the stability of the bridges against the aerodynamic effect of the wind, wind tunnel study and test has been conducted for most of the bridges. This paper presents the parameter and characteristic of several Long Span Steel Truss Bridges in Indonesia, i.e. Tayan Kapuas Bridge, Musi VI Bridge, New Kutai Kartanegara Bridges and Teluk Mesjid Bridge. The bridges will be assessed against BD 49/01. Parameters and assessment results are then compared with wind tunnel results.
Highlights
Indonesia is the world’s largest archipelago country
Considering the span of the bridges and its aesthetic point of view, application of Long Span Steel Truss Bridges in Indonesia is very popular among others
This paper presents dynamic wind consideration during the design stage, as well as the parameters and characteristics of several Long Span Steel Truss Bridges in Indonesia
Summary
Indonesia is the world’s largest archipelago country. The main islands are Java, Kalimantan, Sumatera, Sulawesi, and Papua. In providing a reliable transportation system as part of the road network system, major bridges need to be constructed to cross Indonesia’s main rivers. Considering the span of the bridges and its aesthetic point of view, application of Long Span Steel Truss Bridges in Indonesia is very popular among others. Long span bridges are flexible structures in which wind effects play a dominant role in the design process. Since the failure of the Tacoma Narrow Bridge in 1940, aerodynamic stability has become one of the most important factors in the design of a long span bridge. Wind effects on long bridges can lead to instability of the whole bridge structure. Consideration of wind effects on the whole structure starting from its preliminary design is important in order to get the appropriate design configuration
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