This paper investigates the design and implementation of project image progress parametric generating system based on B/S model for railway engineering(PIPGS).
研究并实现了基于B/S模式的铁路工程形象进度图参数化生成系统（PIPGS）。
Expansive soil can result in large amounts of instability, collapse and sliding of slopes, which made a disadvantageous influence to the project progress and image.
膨胀土曾引起大量的路堑边坡、路基边坡的滑坡失稳和坍塌破坏，护坡、挡土墙断裂毁坏等，对工程进度和形象都产生了不良影响。
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