孔隙率：Porosity
散粒材料颗粒间的空隙体积占堆积体积的百分率：Volume of voids between particles in loose materials as a percentage of the total volume of the material
材料的弹性：Elasticity of materials
工程结构：Building and civil engineering structures
A字木梯：A-frame ladder
A型骨架：A-frame
A型构架：A-truss
废弃：Abandoned
废井：Abandoned well
磁针偏差：Aberration of needle
异常压力：Abnormal pressure
异常高压：Abnormally high pressure
中止：Abort
磨损：Abrasion
波速法：Wave velocity method
材料阻尼：Material damping
初始液化：Initial liquefaction
地基固有周期：Natural period of soil site
动剪切模量：Dynamic shear modulus
重力密度：Unit weight
自由水：Free water, gravitational water, groundwater, phreatic water
组构：Fabric
最大干密度：Maximum dry density
最优含水量：Optimum water content
屈服强度下限：Lower limit of yield strength
荷载：Load
横截面：Cross section
承载力：Bearing capacity
承重结构：Bearing structure
弹性模量：Elastic modulus
预应力钢筋混凝土：Prestressed reinforced concrete
预应力钢筋：Prestressed reinforcement
这些词汇涵盖了土木工程领域中的一些基本概念和术语。