与 «SURVEYOR'S LEVEL»相关的英语书籍
在以下的参考文献中发现
surveyor's level的用法。与
surveyor's level相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Site Use of the Theodolite and Surveyor's
Level
The setting out process must provide an accurate base for the subsequent erection and assembly processes.
The most accurate ground-level measurements are obtained by using a
surveyor's level. That is essentially a telescope mounted on an adjustable base
that enables the line of sight through the telescope to be maintained in a
horizontal plane.
3
A Guide to Understanding Land Surveys
The most common method used by the private Land Surveyor in determining the
NAVD 88 elevation of a location is differential leveling, using a Land Surveyor's
level and level rod. The modern Land Surveyor's level is a device fixed with a ...
Stephen V. Estopinal, 2009
Also spelled: levelling. leveling instrument An instrument for establishing a
horizontal line of sight, usually by means of a spirit level or a pendulum device;
e.g. a surveyor's level and a pendulum level. It is used, with a level rod, to
determine ...
Julia A. Jackson, James P. Mehl, Klaus K. E. Neuendorf, 2005
5
Physical Measurements in Flooded Rice Soils: The Japanese ...
MEASURING SURFACE RELIEF Equipment To measure surface relief by
theodolite (surveyor's level), the following are needed: theodolite, tape measure,
poles, surveyor's staff, and plotting paper. It is possible also to assess surface
relief by ...
6
Filter Maintenance and Operations Guidance Manual
At plants where a surveyor's level or transit and level rod are available and are
used to check the elevation of the filter media, use of surveyor's tools will provide
more accurate readings than using the troughs as a reference elevation. When a
...
7
Methods in Stream Ecology
At each survey point, set up a surveyor's level, able to swivel to see points at least
20m upstream and downstream of the transect. In some instances, this may be a
clear position along the bank or a position on a midchannel bar. 6. Using a ...
F. Richard Hauer, Gary A. Lamberti, 2011
8
Pile Foundations in Engineering Practice
Pile Butt Axial Movement The most common types of instruments used to
measure pile butt or head axial movement are the dial gauges, the wire, mirror
and scale arrangement, and the surveyor's level system. D1AL GAUGES 1n the
dial ...
The measurements of vertical drop are made with the use of a surveyor's level
and stick. If a surveyor's level is not available you can improvise something that
will work with reasonable accuracy from a carpenter's level fitted with sights so
that ...
10
A Guide to Golf Course Irrigation System Design and Drainage
2" Base - Gravel to Coarse Rock (3/4" to 1-1/2" Dia.) change. Grade stake
elevations should be determined with a level. Figure 13.43 Figure 13.44
Surveyor's Level — For Placement of Drain Lines Particularly when the grade
approaches the ...
