PE PDH
PDH Online

Construction Surveying - Bridge Surveying


Quiz Questions

1.Bridge surveying is necessary to locate a site, obtain information for design, and furnish lines and grades for construction.
True
False
2. The surveyor determines the length of the bridge crossing to estimate the materials required for construction.
True
False
3.The surveyor draws sketches of approach roads to be constructed on overlays but does not include them in the reconnaissance report.
True
False
4.The surveyor reports on the character and shape of the riverbanks which includes __________________________________.
Amount and type of vegetation
Slope, height, and composition of the banks
Pertinent dimensions of any natural dikes
None of the above
All of the above
5.The surveyor determines stream velocity by timing a floating object over a measured course.
True
False
6.______________levels are determined by noting drift and marks on vegetation or piers, questioning local inhabitants, and consulting tide tables and local flood records.
Low-water
High-water
7.The profile interval is not measured by a tape or cable stretched horizontally across the stream or gap or by the instrument-stadia method.
True
False
8.For floating bridges, profiles are required only for setting trestles near the shores.
True
False
9.The surveyor does not estimates and records quantities of local materials such as standing timber, sand and gravel beds, and available cement, water, and lumber.
True
False
10.The _________________ of each sounding is referenced to control stations onshore.
Location
Profile
11.________________investigations are made by borings, test pits, trenches, and field tests.
Earth
Subsurface
12.Construction plans show whether the abutments are________________________.
Pile-bent
Crib-bent
Both
None
13.The distance between abutments must be within steel fabrication limits, especially for prefabricated sections.
True
False
14.Figure 5-2 illustrates ____________________.
Staking an abutment
Taking soundings
15.The procedure for laying out wing walls is not merely an extension of the layout of an abutment.
True
False
16.Figure 5-4 illustrates ___________________.
Locating Piers
Staking wing walls
17.The surveyor positions piles, records pile driving data, and marks piles for cutoff as specified by the construction plans.
True
False
18.The ____________________ determines the distance of the template from the shore, either by angle measuring or taping.
Structural engineer
Surveyor
19.Figure 5-5 illustrates _______________________.
Positioning piles
Locating piles
20.As in the discussion about piers, for well proportioned triangles, the length of the baselines should equal at least one half CE in figure 5-4.
True
False
21.The surveyor need not check abutment elevations and in the case of concrete establish lines for setting forms.
True
False
22.If a floating bridge is to be constructed, the surveyor determines the character of the river bottom so the holding power of anchors can be estimated.
True
False
23.Tentative bridge sites are selected by reconnaissance and the more promising ones are reconnoitered in detail.
True
False
24.The surveyor does not select tentative abutment positions and measures the size and location of any usable abutments or piers for possible use in the proposed construction.
True
False
25.The ______________ specifies the distance from the centerline and intervals between soundings.
Design engineer
Surveyor