土建专业英课后习题答案.doc

1.Geology has a vital part to play in all engineering operations which interact in any way with the ground, and thus the science is critical to the entire field of civil engineering. 地质发挥任何方式与地面交互的所有工程业务的一个重要组成部分，因此科学是整个土木工程领域的关键。 2.Environmental impact statements are now often mandatory before construction can be started. 环境影响报告书，现在常常是强制性的，才可以开始建设。 3.In London,because the city is built on a great basin of unconsolidated material(including the well-known London clay),tube railways, located far below ground level and built in clay that was easily and economically excavated, have provided an admirable solution to one part of the citys transportation problems. 在伦敦，因为这个城市是一个松散材料（包括著名的伦敦粘土），管铁路，位于远低于地面和建在粘土，轻松和经济出土，大盆地建成，提供了一个令人钦佩的解决方案部分城市的交通问题。 4.Courses on foundation engineering and construction methods present excellent opportunities for geologic lessons. 基础工程和施工方法的课程，目前地质教训的极好的机会。 5.Every branch of civil engineering deals in some way with the surface of the earth,since the works designed by civil engineer are supported by or located in some part of the earths crust. 某种方式与地球表面的每个分支土木工程交易，因为由土木工程师设计的作品是支持或位于地壳的某些部分.. 1.地下铁道是城市交通系统的重要组成部分。 Metro is the urban transport system, an important part of 2.土木工程师在设计之前必须对建筑场地进行勘察。 Civil engineer in the design of the construction site must be carried out prior to survey 3.施工方案有时取决于场地的工程地质条件。 Sometimes depending on the venue construction program engineering geological conditions. 1.All these processes of rock formation,movement and decay have caused rock found at the surface(outcrop) to consist of many different types and to have definite physical properties. 所有这些岩石的形成，运动和衰变过程引起的表面（露头）发现的岩石，包括许多不同类型，并有明确的物理性质，化学性质。 2.Wind forces may be strong enough to blow away pieces of rocks that have become loose because other weathering processes. 风的力量可能强大到足以吹走件已成为松散的，因为其他的风化过程的岩石。 3.When the rock reaches the elastic limit a fracture occurs and there is a sudden release of energy in the form of earthquake waves.The fracture in the rock is call