Drainage Structures. Subgrades, and Base Courses - download pdf or read online

By Department Of The Army

Для сайта:Мир книгThis handbook is for engineer officials and technically noncommissioned officials chargeable for the development

Show description

Read or Download Drainage Structures. Subgrades, and Base Courses PDF

Best technical books

Learning Flash Cs4 Professional - download pdf or read online

Whereas this e-book offers its fair proportion of things that might convey you up to the mark with the several instruments, animation types and strategies for uploading records i think that there are somethings which are lacking. This ebook will be urged for a person with earlier Flash adventure simply because there are a few blunders within the code dependent off of example and picture clip names, and so forth.

Technical Writing For Dummies - download pdf or read online

Let’s face it, loads of technical documentation reads as though it have been translated into English from Venutian by way of a local speaker of gibberish. that is stressful for you and costly for the producer who will pay with alienated consumers and hovering technical aid expenses. That’s why strong technical writers are in such vast call for around the world.

H. E. Sales (auth.)'s Professional Communication in Engineering PDF

This publication supplies an inside of view of actual engineers speaking in a contemporary aerospace engineering setting. utilizing many actual texts and language examples, the writer describes the writing of requisites and standards, engineering proposals, government summaries and different conversation projects.

Additional info for Drainage Structures. Subgrades, and Base Courses

Sample text

Space or distance between dams x H S = 100 A - B in is as follows : which S = H = distance between checkdams in feet A B original slope of water in ditch in percent final slope of water in ditch in percent height of drop in feet for each checkdarr To locate the dams on the ground divide the length by the spacing. The first dam is always at bottom of the adverse grade. For example, suppose is desired to reduce the slope of an existing 550-foot di1 from 3 percent to 1 percent with checkdams. The che< dams are to have 1 foot of drop per dam.

When the outlet is below ground surface in flat terrain, water should be removed in a di lection adequate to prevent overflow until natural ground ele ion is reached. In digging culvert ditches or installing culverts frade, a reference string can be used. On a continuation of :ulvert centerline, long stakes are driven about 1 foot outs ;he inlet and outlet ends of the culvert. These stakes are marl it a given distance above the inlet and outlet ends of the culv ind a string is stretched between these marks (fig.

Use a pii open any closed notches so that the plain edge of the oth will easily slip into place. Straighten any bent flanges. c. Assembly Procedure. Distribute one bottom an< section for each 2 feet of culvert length along the line culvert is to be assembled. Begin assembly at the outlet culvert and lap each successive bottom section one-half i tion inside the previous bottom section (fig. 23). Simil successive top section is lapped one-half a corrugation 6. < tions for correct size. < previous section.

Download PDF sample

Rated 4.35 of 5 – based on 7 votes