5，ABD 6，BC 7，C 8，ABCD 9，ABC 10，ABCD 11，B 12，AC 13，ACD 14，C 15，A 16，A 17，ABD 18，A 19，B 20，ACD 21，ABCD 22，AD 25，C 26，BCD
二、1，×,结构材料和功能材料 3，√ 5，×,大理石和花岗岩 7，√ 9，×,既能在空气又能在水中硬化 11，√ 13，√ 15，×,10小时 17，√ 19，√ 21，√ 23，√ 25，×,1950kg/m3 第三章 答案
23，AC 24，ABD 2，×,微量外加剂 4，√ 6，√ 8，√ 10，√
12，×,低碳钢和低合金结构钢 14，√
16，×,抗拉强度高 18，√ 20，√ 22，√ 24，√ 一、1，ABD 2，ABD 3，AC 4，ABD 5，B 6，C 7，C 8，ACD 9，A 10，C 11，ABD 12，AC 13，ABCD 14，ACD 15，AB 16，D 17，CD 18，BCD 21，AB 22，ABCD 25，C
二、1，√ 3，√ 5，×,目的是取得沿线的纵横剖面 7，√ 9，×,可以部分露于地表以上 11，√ 13，×,体积比 15，√ 17，√ 19，×,依靠自重克服井壁摩擦 21，√ 23，√ 第四章 答案
19，AB 20，ABCD 23，BCD 24，B 2，×,为勘察方案的布置提供依据4，×,勘探为测绘的基础 6，√ 8，√ 10，√ 12，√
14，×,地下水位以上 16，×,也可防止高耸结构倾覆 18，√
20，×,圆形沉井 22，×,2~5倍 一、1，ABC 2，B 3，C 4，A 5，D 6，C 7，C 8，AD 9，A 10，D 11，ABCD 12，C 13，ACD 14，B 15，ACD 16，C 17，A 18，A 21，D 22，AC 二、1，×,也可斜向放置 3，√ 5，×,实腹柱 7，×,主要承受轴向压力 9，√ 11，×,后者最普遍 13，×,8层 15，×,装配式结构整体性差 17，√ 19，√ 21，√ 23，√ 25，×,12米以下2米，以上3米 27，√ 答案：
19，ABCD 20，C 23，ABC 24，ABCD 2，√
4，×,柱可以承受偏心压力 6，√ 8，√ 10，√ 12，√ 14，√
16，×,承受水平载荷的能力差 18，×,布置不灵活 20，×,外框架内剪力墙 22，×,每隔1.5米 24，×,池内无水
26，×,第二、三步骤反
一．1.C 2.C 3.A 4.C 5.C 6.B 7.A 8.C 9.D 10.B 11.D 12.B 13.A 14.B 15.C 16.C 17.B 18.C 19.B 20.A 二．1.√ 2.× 3.√ 4.× 5.× 6.× 7.√ 8.× 9.× 10.× 11.√ 12.× 13.√ 14.√ 15.× 16.× 17.√ 18.× 19.× 20.×
一.1.C 2.B 3.C 4.D 5.A 6.B 7.C 8.C 9.C 10.B 11.A 12.D 13.A 14.C 15.A 16.C 17.B 18.D 19.A 20.B
二.1.× 2.× 3.√ 4.√ 5.√ 6.× 7.√ 8.× 9.× 10.× 11.× 12.× 13.× 14.× 15.√ 16.× 17.× 18.√ 19.√ 20.√
一．1.B 2.B 3.A 4.C 5.A 6.D 7.B 8.D 9.C 10.B 11.C 12.D 13.D 14.A 15.B 16.B 17.C 18.A 19.D 20.A
二．1.√ 2.√ 3.× 4. × 5. × 6.√ 7.× 8.√ 9.√ 10.× 11.√ 12.× 13.× 14.× 15.× 第六章答案：
一．1.B 2.C 3.D 4.A 5.D 6.D 7.B 8.D 9.B 10.B 11.D 12.C 13.D 14.A 15.C 16.B 17.B 18.A 19.C 20.C
二．1.×2.√ 3.× 4.√ 5.× 6.√ 7.× 8.× 9.√ 10.× 11.× 12.× 13. × 14.√ 15.√ 16.× 17.× 18.× 19.× 20.×
Review Questions
1. What is Civil Engineering?
2. What are the major divisions of Civil Engineering?
3. What are the functions of Civil Engineering profession? Cite examples 4. What are the functions of Civil Engineer?
5. What are the forms in which stones are used in Civil Engineering? 6. What are the qualities of good building stones? 7. What are the dimensions of ordinary bricks? 8. What are the general uses of bricks? 9. What is the constituent of concrete? 10. Explain in brief the manufacture of cements.
11. What are the uses of cements?
12. Explain the influence of water-cement ratio on the properties of concrete.
13. What is the need for providing reinforcements to a concrete beam? 14. What are the advantages of steel as a construction material? 15. State and sketch the available structural steel sections. 16. How are loads classified?
17. What is meant by the safe bearing of soil? 18. What are the functions of a foundation? 19. What is a shallow foundation? Give examples. 20. What is a deep foundation? Give examples. 21. What is a pile? Give examples.
22. What are the types of piles? Give examples. 23. What are the primary functions of walls? 24. What are functions of doors?
25. What is a bay window? What is a dormer window? 26. What are the base requirements of a roof? 27. What are the components of flooring? 28. What are the base requirements of a roof? 29. Explain the terms stress and strain. 30. State Hook’s Law.
31. Why is a factor of safety provided for a design? 32. What is meant by working stress?
33. Define (i) Poisson’s ratio (ii) hydrostatic pressure and (iii) volumetric strain.
34. What is the importance of a transportation network?
35. What is the importance of highways over other transportation systems? 36. How are roads classified according to the road structure?
37. What are the points to be considered while planning a highway? 38. What is a gradient?
39. Sketch the cross section of a road. Indicate its structural components, stating each of their functions.
40. Distinguish between a rigid pavement and a flexible pavement.