Bu advance CH8 Flashcards
1
Q
- What is used to support the superstructure and consists of abutments, footings, sills, posts, bracing, and caps? (Page 8-3)
A
substructure
2
Q
- The timber-sill abutment should not be more than how many feet high? (Page 8-4)
A
3 feet
3
Q
- The timber-bent abutment can be used with timber or steel stringers on bridges with spans up to how many feet? (Page 8-4)
A
30 feet
4
Q
- Timber or steel pile abutments can support spans of any length, can be used with steel or timber stringers, and can reach a maximum height of how many feet? (Page 8-4)
A
10
5
Q
- Concrete abutments may be as high as how many feet? (Page 8-4)
A
20
6
Q
- What is that part of a building or structure located below the surface of the ground called? (Page 8-5)
A
foundation
7
Q
- What type of foundation is the type most commonly used for small buildings? (Page 8-5)
A
continuous
8
Q
- Longitudinal bracing and what other type of bracing are the two types most commonly used to support the substructure in heavy timber construction? (Page 8-8)
A
transverse
9
Q
- Panel bridge equipment is normally used to assemble fixed simple span, through-type bridges from 30 to how many feet long? (Page 8-13)
A
210
10
Q
- The Mabey Universal panel bridging system, also known as a Johnson bridge, is capable of clear spans up to how many feet? (Page 8-14)
A
266
11
Q
- The Medium Girder Bridge (MGB) is a two girder deck bridge. The wide upper surfaces of the girders and the deck units laid between them form a roadway that is how wide? (Page 8-18)
A
13 feet 2 inches
12
Q
- What type of soil is always considered dangerous even when it is allowed to stand for a period of time after a vertical cut? (Page 8-21)
A
sandy
13
Q
- What degree of slope for excavations with average soil conditions does OSHA code regulations for the construction industry recommend? (Page 8-21
A
45
14
Q
- Two methods commonly used to shore high vertical excavation banks are interlocking sheetpiling and what else? (Page 8-22)
A
soldier piles
15
Q
- Soldier piles are H-shaped piles that are driven into the ground with a pile driver and are spaced between 3 and how many feet apart? (Page 8-23)
A
10
16
Q
- What are vertical posts that carry the weight of a foundation? (Page 8-24)
A
bearing piles