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一、概况 本桥位于河南省新乡市南郊。该段地形宽阔平坦,均为耕地,村庄稠密,城乡道路交叉,运输十分繁忙,排灌渠道也很多。 桥址处属黄河冲积平原,地层由冲积、洪积牛轭湖等沉积而成。表层主要为砂粘土,软塑到流塑,厚4~6米。以下为粉砂、中砂层。地下水位西低东高,位于地面以下0.8~3.28米。砂粘土承载力一般为0.8~1.5kg/cm~2。地震烈度6度,冻结深度0.5米。
I. Overview The bridge is located in the southern suburbs of Xinxiang City, Henan Province. The section of broad flat terrain, are cultivated land, dense villages, urban and rural roads cross, transportation is very busy, irrigation and drainage channels are also many. The bridge site belongs to the Yellow River alluvial plain, strata formed by alluvial, alluvial oxbow lakes and other deposition. The surface is mainly sand clay, soft plastic to flow plastic, 4 to 6 meters thick. The following is the silt, the sand layer. The water table west low East, located below the ground 0.8 ~ 3.28 meters. Sandy clay bearing capacity is generally 0.8 ~ 1.5kg / cm ~ 2. Earthquake intensity of 6 degrees, freezing depth of 0.5 meters.