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Book Description
NOUS NOUS SOMMES ATTACHES A PREDIRE, DANS CETTE ETUDE, L'ETAT DES CONTRAINTES RESIDUELLES ET LA DUREE DE VIE DANS UNE PIECE PAR UNE METHODE APPROCHEE ET RAPIDE SUR UN PC. LES CONTRAINTES RESIDUELLES SONT MESUREES GENERALEMENT PAR DIFFRACTION DE RAYONS X. LA DECOUPE LONGITUDINALE DES PIECES DE REVOLUTIONS MINCES ET LE POLISSAGE INTRODUISENT DES ERREURS PARFOIS TRES IMPORTANTES. NOUS AVONS ETABLI DES FORMULES ANALYTIQUES QUI RELIENT LES DEFORMATIONS PLASTIQUES AUX MESURES. CES FORMULES NOUS ONT PERMIS DE CORRIGER LES ERREURS DE MESURES, DUES A LA DECOUPE, FAITES SUR DES TUBES DUDGEONNES ET MARTELES ET DE TENIR COMPTE DE L'ETAT INITIAL PENDANT LE CALCUL ELASTOPLASTIQUE SUR DES BAGUES DE ROULEMENTS A BILLES. UNE METHODE DE PROJECTION GEOMETRIQUE SIMPLE A ETE DEVELOPPEE POUR POUVOIR ADOPTER LA METHODE SIMPLIFIEE DE ZARKA AU CALCUL ELASTOPLASTIQUE SUR LES BAGUES DE ROULEMENTS A BILLES. CETTE METHODE CONSISTE A PROJETER UN POINT DE L'ESPACE DEVIATORIQUE SUR L'ENVELOPPE DE L'INTERSECTION DE PLUSIEURS DOMAINES D'ELASTICITE. LA DETERMINATION DE LA DUREE DE VIE DES ROULEMENTS A BILLES EST FAITE PAR DES CRITERES DE FATIGUE TELS QUE SINES, CROSSLAND, DANG-VAN ET PAPADOPOULOS ET ADAPTES AUX CHARGEMENTS COMPLEXES DANS LES ROULEMENTS A BILLES
Book Description
NOUS NOUS SOMMES ATTACHES A PREDIRE, DANS CETTE ETUDE, L'ETAT DES CONTRAINTES RESIDUELLES ET LA DUREE DE VIE DANS UNE PIECE PAR UNE METHODE APPROCHEE ET RAPIDE SUR UN PC. LES CONTRAINTES RESIDUELLES SONT MESUREES GENERALEMENT PAR DIFFRACTION DE RAYONS X. LA DECOUPE LONGITUDINALE DES PIECES DE REVOLUTIONS MINCES ET LE POLISSAGE INTRODUISENT DES ERREURS PARFOIS TRES IMPORTANTES. NOUS AVONS ETABLI DES FORMULES ANALYTIQUES QUI RELIENT LES DEFORMATIONS PLASTIQUES AUX MESURES. CES FORMULES NOUS ONT PERMIS DE CORRIGER LES ERREURS DE MESURES, DUES A LA DECOUPE, FAITES SUR DES TUBES DUDGEONNES ET MARTELES ET DE TENIR COMPTE DE L'ETAT INITIAL PENDANT LE CALCUL ELASTOPLASTIQUE SUR DES BAGUES DE ROULEMENTS A BILLES. UNE METHODE DE PROJECTION GEOMETRIQUE SIMPLE A ETE DEVELOPPEE POUR POUVOIR ADOPTER LA METHODE SIMPLIFIEE DE ZARKA AU CALCUL ELASTOPLASTIQUE SUR LES BAGUES DE ROULEMENTS A BILLES. CETTE METHODE CONSISTE A PROJETER UN POINT DE L'ESPACE DEVIATORIQUE SUR L'ENVELOPPE DE L'INTERSECTION DE PLUSIEURS DOMAINES D'ELASTICITE. LA DETERMINATION DE LA DUREE DE VIE DES ROULEMENTS A BILLES EST FAITE PAR DES CRITERES DE FATIGUE TELS QUE SINES, CROSSLAND, DANG-VAN ET PAPADOPOULOS ET ADAPTES AUX CHARGEMENTS COMPLEXES DANS LES ROULEMENTS A BILLES
Author: Don Montague Publisher: Taylor & Francis ISBN: 9780419199106 Category : Architecture Languages : en Pages : 472
Book Description
This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Author: Jean-Paul Kurtz Publisher: Springer Science & Business Media ISBN: 0306483173 Category : Technology & Engineering Languages : en Pages : 1520
Book Description
I am pleased to present a work which marks a milestone in the history of public works and, more precisely, in that of permanent structures—a comprehensive dictionary of Civil Engineering terms. Since the beginning of time, Man has always tried to find a means to clear the obstacles which nature erected to displace him. With the first tree trunk thrown across a river, man sought to improve the crossing structure. After the invention of the wheel, and to satisfy his thirst for conquest (Roman ways), and comfort (aqueducts), man built bridges that became a preremptory necessity to move quickly. Thus, Man started to build wooden and masonry works. With the passing centuries, the builders became masters in the art of building masonry works. Then came the Industrial Revolution and the advent of the steel (1864), which was closely followed by the invention of the reinforced concrete (1855). The need for railways and improving the road network inspired great works of crossing such as viaducts and tunnels. The boom of the railway network and the development of the car required the construction of an increasing number of new structures. This phenomenon continues today with hundreds of structures built each year throughout the world.
Author: Malcolm D Bolton Publisher: Universities Press ISBN: 9788173714252 Category : Soil mechanics Languages : en Pages : 464
Book Description
Covers all the soil mechanics and foundation engineering topics that are commonly included in civil engineering degree courses, and provides a number of springboards into related advanced topics. Although it is intended principally to satisfy the needs of student civil engineers, this guide should also prove useful to those practicing engineers who are unaware of the powerful and elegant reconstruction of the subject which has been made possible by the recent concepts of plasticity, dilatancy and critical states.
Author: Nawic Education Foundation Publisher: ISBN: 9781491730812 Category : Reference Languages : en Pages : 0
Book Description
An extensive listing of the terms and phrases used in construction. Included are many that are encountered daily on the jobsite or in the construction office.
Author: TAREK.. HASSINE
Author: TAREK.. HASSINE
Author: Don Montague
Author: Jean-Paul Kurtz
Author: Hermann Michaelis
Author: Malcolm D Bolton
Author: Nawic Education Foundation