The importance to monitor the pore water pressure and to study the permeability of soil under the north anchorage of Jiangyin Yangtze River Highway Bridge is analyzed firstly.

以江阴长江公路大桥北锚碇为例，首先阐述了锚碇地基土孔隙水压力观测和渗透性分析的意义。并根据江阴长江公路大桥地基基础安全监测成果，分析了孔隙水与长江水的水力联系。

youdao

The use of polypropylene fiber in concrete of the bridge deck paving can improve its tensile strength, bending strength, permeability strength, impact ductility, cracking resistance and toughness.

在桥面铺装层混凝土中掺用聚丙烯纤维能够增强其抗拉、抗折、抗渗、抗冲击能力，并起到阻裂增韧的作用。

youdao