题目内容

{{*HTML*}}某填方高度为8 m的公路路基重直通过一作废的砼预制场,在地面高程原建有30个钢筋砼梁,梁下有53 m深灌注桩,为了避免路面不均匀沉降,在地梁上铺设聚苯乙烯(泡沫)板块(EPS),路基填土重度18.4 kN/m3,据计算,在地基土8 m填方的荷载下,沉降量为15 cm,忽略地梁本身的沉降,EPS的平均压缩模量为Es=500 kPa,为消除地基不均匀沉降,在地梁上铺设聚苯乙烯的厚度为()

A. (A) 150 mm
B. (B) 350 mm
C. (C) 550 mm
D. (D) 750 mm

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