Sewer Design

N. Ogden H.

Description

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The following pages represent, except for some necessary minor changes, a course Of lectures given in the College Of Civil Engineering, Cornell University.

Sujets

• Sciences et techniques

Informations

• Publié par: Forgotten Books
• Date de parution: 27 novembre 2019
• Nombre de lectures: 0
• EAN13: 9780243763245
• Langue: English
• Poids de l'ouvrage: 8 Mo

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following pages represent except for some necessary minor changes a course lectures given in the College Civil ngineering C ornell U niversity The course is an elective one intended for those students hose intention to enter the eld anitary ngineering calls for more special and detailed work than is required all C ivil ngineering students upplement ng as it does the regular course in anitary ngineering it must preserve with out dup cation continuity in the two courses which is btained through the direct supervision the D ean the College rofessor A who also gives the general course These conditions may serve to explain some recognized pecul ar ities and omissions in the subject matter the following pages tolerated only on account the general work already done by students here specially studying that in which they wish to excel A leading to the omission nother cause certain discus sions wh ch might properly be brought up under the title chosen lies in the fact that the lectures here given represent but one third the year s work the subjects ewage D is posal and ewer Construction being taken up in the other two terms the year Thus merely to serve the divisions the college year all questions constructive design and eld construction are remanded to another course lectures not conveniently included here It is believed that due acknowledgment has been made to the various books and periodicals and to the reports the promi ent engineers from which this monograph has been iii

R F A F I R T D IT I prepared and it is hoped that the collec tion and uni cation th s scattered material may not only aid the students examini g q uestion ewer D esign for the ebut may also b rst time convenient reference for lder engineers who have hitherto een o b liged to pu t together the data from many publications pecial ac k lished papersthe pub nowledgment is made to mi of ochester for the chapters torm water D Mathematical ormul ischarge and thee to report D exter B rackett on the Future W ater supply B oston M the thesis of as to Hooker on lon H uspension ol ds in lowing W ater to the Hering tion Kutter for the chapter on Kutter s Formula and for that the D other and earlierevelopment the H ydraulic qua tions to H ering s oard Healtheport to the ational B for the chapter on ateral ocation and to B aumeister for the general arrangement sewer systems

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A the author has beenfteen years use in his classes enabled to prepare a second ed tion this little book partly for the purpose correcting certain minor errors and partly that certain additional material might b e inserted In recent years a great deal attention has b en given to the careful analysis the problem rainfall and run notably by Messrs G only after muchregory and ordell and hesitation was it decided to omit any extended review their thorough detailed discussion The relation between rainfall and run is dependent upon man very uncertain factors and any close mathematical analysis way in wh ch water delivered to any area as rain is collected into one cha nel at a single point the area must include so many assumptio s that the result may be far from the truth al though correc t according to the theory followed It was decided therefore to again follow the method adopted in the rst e tion as being reasonably safe in principle and at the same tim e holding clearly before the student the chief factor that ent ers into the relation viz the impervious character the surface on which the rain fa ls eference is made however to more ma hematical treatment and anyone interested may consult the original papers if he so desires The use better jointing material for vi i ed pi e has made it possible to eliminate leakage entirely if su cient care be taken in construction V arious asphaltic preparations and other patented articles are on the market and if properly use d wi ensure a perfectly water tight pipe line Th s fact modi es

R F A D D IT I som ewhat the earlier statements about necessary amo nt leakage to b e consi dered problems that have b een added have been found very seful in af ord ng an insight into some of the b roader ques ions that enter into the design sewers as well as in giving the stu dent chance to apply his theory to a concrete example The book as a whole is no t material y changed and cont nued experience in l a ge classes has con rmed the author in bel ef that for the general course student in C coni t n ineering iv l ta ns the essentials sewer design so ar anged as to b e readily ntelligible to the average ind H O

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