Name _____________________________________________ Date ________________________ Completion ___________________
1. When soil cannot be excavated, may be driven to support tall buildings.
___________________
2. If building loads and soil conditions do not require a system of piles or caissons, a(n) is usually adequate to support concrete buildings.
___________________
3. Pile-driving equipment has a drop, mechanical, or vibratory , which drives the pile or pile casing into the ground.
___________________
4. piles have a long life expectancy under water.
___________________
5. The three major types of piles are bearing, friction, and .
___________________
6. concrete piles can only be used with ďŹ rm, cohesive soil.
___________________
7. Two types of concrete piles are precast and cast-in-place piles.
___________________
8. caissons provide greater load-bearing area at the bottom of the caisson.
___________________
9. are an effective means to control earth retention where access and right-ofway is limited.
___________________ 10. Piles are placed beneath beams, which support bearing walls. ___________________ 11. piles are the common type of piles used in concrete heavy construction. ___________________ 12. Sheet piles are used primarily to resist pressure. ___________________ 13. for shell-type concrete piles remain in place after the concrete is poured. ___________________ 14. Tubular steel piles are also known as piles. ___________________ 15. A(n) is a machine that converts the kinetic energy of wind into rotating mechanical energy. ___________________ 16. Piles may be grouped and joined together with a concrete . ___________________ 17. piles do not have to penetrate load-bearing soil. ___________________ 18. concrete piles are usually fabricated in a factory. ___________________ 19. piles are often used in the construction of wharves and docks. ___________________ 20. A(n) is a cylindrical or rectangular casing that is placed in the ground and ďŹ lled with concrete. 257
Š 2013 American Technical Publishers, Inc. All rights reserved