Tables of Parabolic Curves for the Use of Railway Engineers And Others
Tables of Parabolic Curves for the Use of Railway Engineers And Others
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3), the following is the proceeding : If a tangent is requii*ed passing through F, set off on AL, commencing at A, a quantity equal to the off- set F F, and this point is in the tangent ; similarly, if a tangent is required at G, set off on AL a quantity equal to the offset G G, and so on, for any point. The same result is obtained by setting out lengths along E B which are severally equal to K, K, I, I, /} &c. For a point falling between any of the points considered above, it is necessary to k...now its offset from the tangent, and to proceed exactly in the same manner. The offsets must in all cases be parallel to the bisectrix.
PREFACE.
CES Tables de Courbes Paraboliques ont ete calculees par 1'auteur et sont aujourd'hui portees a la connais- sance des ingenieurs avec le but de remplir un besoin : c'est a dire, pour fournir une methode pra- tique de tracer une courbe dont le rayon decroit ou croit graduellement au lieu de se servir de la courbe circulaire. Par ce moyen on espere que les grandes secousses que Ton eprouve par les change- ments de direction d'une grande masse comme un train en mouvement quand ceci entre dans une courbe circulaire seront evitees; ce qui resulte en grande epargne de materiel roulant et fixe, ainsi que la plus grande convenance des voyageurs.
What to read after Tables of Parabolic Curves for the Use of Railway Engineers And Others?
You can find similar books in the "Read Also" column, or choose other free books by George Thomas Allen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
3), the following is the proceeding : If a tangent is requii*ed passing through F, set off on AL, commencing at A, a quantity equal to the off- set F F, and this point is in the tangent ; similarly, if a tangent is required at G, set off on AL a quantity equal to the offset G G, and so on, for any point. The same result is obtained by setting out lengths along E B which are severally equal to K, K, I, I, /} &c. For a point falling between any of the points considered above, it is necessary to k...now its offset from the tangent, and to proceed exactly in the same manner. The offsets must in all cases be parallel to the bisectrix.
PREFACE.
CES Tables de Courbes Paraboliques ont ete calculees par 1'auteur et sont aujourd'hui portees a la connais- sance des ingenieurs avec le but de remplir un besoin : c'est a dire, pour fournir une methode pra- tique de tracer une courbe dont le rayon decroit ou croit graduellement au lieu de se servir de la courbe circulaire. Par ce moyen on espere que les grandes secousses que Ton eprouve par les change- ments de direction d'une grande masse comme un train en mouvement quand ceci entre dans une courbe circulaire seront evitees; ce qui resulte en grande epargne de materiel roulant et fixe, ainsi que la plus grande convenance des voyageurs.
What to read after Tables of Parabolic Curves for the Use of Railway Engineers And Others?
You can find similar books in the "Read Also" column, or choose other free books by George Thomas Allen to read onlineMoreLess
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