铁岭至四平高速公路昌图段分离立交设计

Design of separate Grade Crossing on Chang tu Section in the Tieling to Siping Freeway.

本文针对四平高速公路昌图段的设计，着重介绍了分离立交（通道桥和跨线桥）的设计思想和方案。

The paper discusses the design philosophy and outline design for grade separation structure as specifially applied to the design of Changtu section in the Tie-Si Expressway.