ETUDE DE LA RESISTANCE AU CHOC D'ASSEMBLAGES COLLES PAR L'INTERMEDIAIRE D'UNE RESINE EPOXYDIQUE PDF Download
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Author: Wilhelm Luhowiak
Publisher:
ISBN:
Category :
Languages : fr
Pages : 128
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Book Description
ESSAIS DE CHOC ET DE FATIGUE PAR CHOC SUR DES EPROUVETTES COLLEES EN ACIER XC90, EN ALLIAGE D'ALUMINIUM AU4G ET EN CUIVRE. INFLUENCE DE L'EPAISSEUR DE L'ADHESIF, DE LA TEMPERATURE EN ATMOSPHERE SECHE ET EN ATMOSPHERE HUMIDE ET DE LA SURFACE DE RECOUVREMENT
Author: Wilhelm Luhowiak
Publisher:
ISBN:
Category :
Languages : fr
Pages : 128
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Book Description
ESSAIS DE CHOC ET DE FATIGUE PAR CHOC SUR DES EPROUVETTES COLLEES EN ACIER XC90, EN ALLIAGE D'ALUMINIUM AU4G ET EN CUIVRE. INFLUENCE DE L'EPAISSEUR DE L'ADHESIF, DE LA TEMPERATURE EN ATMOSPHERE SECHE ET EN ATMOSPHERE HUMIDE ET DE LA SURFACE DE RECOUVREMENT
Author: FRANCK.. BOUNYAVONG
Publisher:
ISBN:
Category :
Languages : fr
Pages : 207
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Book Description
DANS L'ETUDE DES ASSEMBLAGES COLLES, LES CARACTERISTIQUES DES SUBJECTILES (SURFACES ELABOREES PAR UN PROCEDE REPRODUCTIBLE SUR LESQUELLES ON APPLIQUE L'ADHESIF) JOUENT UN ROLE PREPONDERANT DANS LE DEVELOPPEMENT DES MECANISMES COMPLEXES QUI ASSURENT L'ADHESION. NOUS ETUDIONS L'INFLUENCE DE L'ETAT DE SURFACE (EN PARTICULIER LA RUGOSITE) DES SUBJECTILES SUR LE COMPORTEMENT MECANIQUE FIN DE L'ASSEMBLAGE COLLE, DU TYPE ESCALIER SIMPLE, SOLLICITE EN TRACTION UNIAXIALE. L'OPTIMISATION DE LA LONGUEUR DE RECOUVREMENT EST EGALEMENT REALISEE. LA METHODOLOGIE SCIENTIFIQUE EXPERIMENTALE MISE EN UVRE EST BASEE SUR L'UTILISATION EN SIMULTANE DE L'EXTENSOMETRIE ET DE L'EMISSION ACOUSTIQUE. L'ANALYSE DES DONNEES EXPERIMENTALES CONDUIRA A LA DETERMINATION DES DIFFERENTES PHASES DU COMPORTEMENT MECANIQUE FIN (DOMAINE ELASTIQUE GLOBAL, AMORCAGE ET CROISSANCE DES MICROFISSURES AU SEIN DU JOINT EN REGIME STABLE, PROPAGATION RAPIDE DES CRIQUES EN REGIME INSTABLE ET RUPTURE ULTIME). L'EXISTENCE D'UNE RUGOSITE OPTIMALE CONFERANT A L'ASSEMBLAGE SES PERFORMANCES MECANIQUES LES PLUS ELEVEES EST MISE EN EVIDENCE DANS LE CAS DE TRAITEMENT PAR SABLAGE. CES DERNIERES SONT AMELIOREES SOUS L'EFFET D'UN DECAPAGE SULFOCHROMIQUE. LA REPARTITION DES CONTRAINTES DANS LE JOINT EST ANALYSEE PAR LA METHODE DES ELEMENTS FINIS MAIS EGALEMENT A L'AIDE DE SOLUTIONS ISSUES D'ETUDES THEORIQUES ETABLIES ANTERIEUREMENT. LE DEGRE D'ADEQUATION THEORIE-EXPERIENCE MONTRE LES LIMITES DES MODELISATIONS ANALYTIQUES AU-DELA DES PREMIERS DOMMAGES OBSERVES EXPERIMENTALEMENT.
Author: H. R. Sasse
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 792
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Book Description
Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Author: G. Pluvinage
Publisher: Springer Science & Business Media
ISBN: 9401008809
Category : Science
Languages : en
Pages : 361
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Book Description
As Directors of this NATO Workshop, we welcome this opportunity to record formally our thanks to the NATO Scientific Affairs Division for making our meeting possible through generous financial support and encouragement. This meeting has two purposes: the first obvious one because we have collected scientists from East, far East and west to discuss new development in the field of fracture mechanics: the notch fracture mechanics. The second is less obvious but perhaps in longer term more important that is the building of bridges between scientists in the frame of a network called Without Walls Institute on Notch Effects in Fatigue and Fracture". Physical perception of notch effects is not so easy to understand as the presence of a geometrical discontinuity as a worst effect than the simple reduction of cross section. Notch effects in fatigue and fracture is characterised by the following fundamental fact: it is not the maximum local stress or stress which governs the phenomena of fatigue and fracture. The physic shows that a process volume is needed probably to store the necessary energy for starting and propagating the phenomenon. This is a rupture of the traditional "strength of material" school which always give the prior importance of the local maximum stress. This concept of process volume was strongly affirmed during this workshop.
Author: Leslie Rainer
Publisher: Getty Publications
ISBN: 1606060430
Category : Architecture
Languages : fr
Pages : 438
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Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author: Philippe Lejeune
Publisher: University of Hawaii Press
ISBN: 0824833880
Category : Literary Collections
Languages : en
Pages : 362
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Book Description
On Diary is the second collection in English of the groundbreaking and profoundly influential work of one of the best-known and provocative theorists of autobiography and diary. Ranging from the diary’s historical origins to its pervasive presence on the Internet, from the spiritual journey of the sixteenth century to the diary of Anne Frank, and from the materials and methods of diary writing to the question of how diaries end, these essays display Philippe Lejeune’s expertise, eloquence, passion, and humor as a commentator on the functions, practices, and significance of keeping or reading a diary. Lejeune is a leading European critic and theorist of diary and autobiography. His landmark essay, "The Autobiographical Pact," has shaped life writing studies for more than thirty years, and his many books and essays have repeatedly opened up new vistas for scholarship. As Michael Riffaterre notes, "Lejeune’s work on autobiography is the most original, powerful, effective approach to a difficult subject. . . . His style is very personal, lively. It grabs the reader as scholarship rarely does. Lejeune’s erudition and methodology are impeccable." Two substantial introductory essays by Jeremy Popkin and Julie Rak place Lejeune’s work within its critical and theoretical traditions and comment on his central importance within the fields of life writing, literary genetic studies, and cultural studies.
Author: Louise E. Buck
Publisher: CRC Press
ISBN: 9781420049473
Category : Technology & Engineering
Languages : en
Pages : 434
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Book Description
Agroforestry in Sustainable Agricultural Systems examines the environmental and social conditions that affect the roles and performance of trees in field- and forest-based agricultural production systems. Various types of ecological settings for agroforestry are analyzed within temperate and tropical regions. The roles of soil, water, light, nutrient and pest management in mixed, annual, woody perennial and livestock systems are discussed. Important new case studies from around the world offer innovative strategies that have been used successfully in raising forests and tree products on a sustainable basis for commercial harvesting and for providing other environmental services in land conservation and watershed management.
Author: Iain Hampsher-Monk
Publisher: Amsterdam University Press
ISBN: 9789053563069
Category : Philosophy
Languages : en
Pages : 308
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Book Description
Hoewel enorm invloedrijk in Duitstalig Europa, heeft de conceptuele geschiedschrijving (Begriffsgeschichte) tot nu toe weinig aandacht in het Engels gekregen. Dit genre van intellectuele geschiedschrijving verschilt van zowel de Franse geschiedschrijving van mentalités als de Engelstalige geschiedschrijving van verhandelingen door het concept. Aan de hand van practische voorbeelden in de geschiedschrijving wordt deze vorm toegelicht door Bram Kempers, Eddy de Jongh en Rolf Reichardt.
Author: Antonio Negri
Publisher: U of Minnesota Press
ISBN: 9780816636709
Category : Philosophy
Languages : en
Pages : 308
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Book Description
In this essential rereading of Spinoza's (1632-1677) philosophical and political writings, Negri positions this thinker within the historical context of the development of the modern state and its attendant political economy. Through a close examination of Spinoza, Negri reveals turn as unique among his contemporaries for his nondialectical approach to social organization in a bourgeois age.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1420
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