Posted by: hsien89 - 10-30-2014, 07:47 AM - Forum: Archive
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hi guys, is there any book that explain how EC3 or bs5950 derived? Just like a book like " Reinforced Concrete Design to BS 8110 Simply Explained " from AH ALLEN. Appreciate if anyone of you could recommend me. Thank you.
Le presenti Norme tecniche per le costruzioni definiscono i principi per il progetto, l’esecuzione e il collaudo delle costruzioni, nei riguardi delle prestazioni loro richieste in termini di requisiti essenziali di resistenza meccanica e stabilità, anche in caso di incendio, e di durabilità.
Esse forniscono quindi i criteri generali di sicurezza, precisano le azioni che devono essere utilizzate nel progetto, definiscono le caratteristiche dei materiali e dei prodotti e, più in generale, trattano gli aspetti attinenti alla sicurezza strutturale delle opere.
Circa le indicazioni applicative per l’ottenimento delle prescritte prestazioni, per quanto non espressamente specificato nel presente documento, ci si può riferire a normative di comprovata validità e ad altri documenti tecnici elencati nel Cap. 12. In particolare quelle fornite dagli Eurocodici con le relative Appendici Nazionali costituiscono indicazioni di comprovata validità e forniscono il sistematico supporto applicativo delle presenti norme.
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CivilStorm performs a full range of analysis necessary for verification of hydraulic capacity and demonstrating stormwater compliance in complex storm water handling systems. Its dynamic calculation engine handles capacity analysis, detention, looped systems and diversions. Choose the industry-standard EPA-SWMM engine or CivilStorm’s implicit solution.Time saving model management tools such as Scenario Manager, FlexTables, and engineering libraries make CivilStorm both highly cost-effective and extremely flexible. CivilStorm is also fully compliant with US Federal Highway Administration (FHWA) Hydraulic Design Series No. 5 (HDS-5) standards.
Key new features in CivilStorm V8i (SELECTseries 4):
INTEROPERABILITY
Updated support for MicroStation: You can run CivilStorm from within the latest releases of MicroStation V8i (SELECTseries 3). A MicroStation license is required – if you don’t have a MicroStation license, you can choose to run CivilStorm in stand-alone mode.Updated support for AutoCAD: You can run CivilStorm from within AutoCAD 2015 and 2014. An AutoCAD license is required – if you don’t have an AutoCAD license, you can choose to run CivilStorm in stand-alone mode.Direct import of MX Drainage files: The import of MX Drainage files in CivilStorm has been improved, reducing the steps necessary to leverage MX Drainage data.Bentley Map Mobile i-model publishing: This tool publishes a CivilStorm model, including results, for use in Bentley Map Mobile, a free app that works on Android, iPad, and iPad mini tablets.
MODEL BUILDING AND MANAGEMENT
Elevation data assignment: CivilStorm can automatically assign elevation data to node elements, including manholes, using digital terrain models. The node elevation can be updated automatically when the element is moved.Downstream trace: CivilStorm enables the convenient trace and display of the surface water flow direction across any terrain.Redesigned conduit catalog: Conduits with the same section shape and materials are now grouped together in the conduit catalog, making it easier to view and edit them.
HYDRAULICS
Headwall and endwall elements: CivilStorm now supports culvert headwalls and endwalls, which can connect to open channels or closed conduits.Inlet-only hydraulic calculations: Users can now place inlets, check gutter and inlet carryover flows, and adjust the inlet positions as necessary, before designing the pipe network.Storage chambers as pond type: CivilStorm can now model underground storage chamber systems.Improvements to automated design: The automated design calculations for sanitary and storm sewers include a number of enhancements, such as: pipe wall thickness can be included when computing cover; drop structures can be used to minimize cover (previously drop structures only prevented a pipe from exceeding the maximum allowable slope); and a minimum drop depth can be specified for drop structures.
HYDROLOGY
PondMaker: CivilStorm’s PondMaker is an easy step-by-step detention pond and outlet structure design tool.New hydrograph methods: Users can now choose to utilize the ILSAX or time-area hydrograph methods to compute runoff.New loss methods: CivilStorm now allows users to compute infiltration losses using ‘initial loss and constant fraction’ or ‘initial loss and constant rate’ methods.New time of concentration methods: CivilStorm now supports the following additional time of concentration calculations: Kinematic Wave equation, Friend’s equation and Bransby-Williams equation.
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Posted by: freequo - 10-29-2014, 08:15 AM - Forum: Archive
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Article/eBook Full Name: Parameter changes after weathering of soft rock in flysch
Author(s): Roje-Bonacci, T.
Publish Date: 1998
Published By: The geotechnics of hard soils - soft rocks. Proceedings of the second international symopsium on hard soils-soft rocks, Naples, October 1998
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Posted by: concreteok - 10-29-2014, 07:05 AM - Forum: Archive
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Full title: A proposal for changes to the basis for the design of slabs
Volume 547 of Cement and concrete association. Technical report
Author(s): A. W. Beeby
Publisher:Cement and Concrete Association, 1982
Language: English
ISBN-10:072101254X
ISBN-13: 9780721012544
Advanced composite materials for bridge structures are recognized as a promising alternative to conventional construction materials such as steel.
After an introductory overview and an assessment of the characteristics of bonds between composites and quasi-brittle structures, Advanced Composites in Bridge Construction and Repair reviews the use of advanced composites in the design and construction of bridges, including damage identification and the use of large rupture strain fiber-reinforced polymer (FRP) composites. The second part of the book presents key applications of FRP composites in bridge construction and repair, including the use of all-composite superstructures for accelerated bridge construction, engineered cementitious composites for bridge decks, carbon fiber-reinforced polymer composites for cable-stayed bridges and for repair of deteriorated bridge substructures, and finally the use of FRP composites in the sustainable replacement of ageing bridge superstructures.
Advanced Composites in Bridge Construction and Repair is a technical guide for engineering professionals requiring an understanding of the use of composite materials in bridge construction.
Reviews key applications of fiber-reinforced polymer (FRP) composites in bridge construction and repair
Summarizes key recent research in the suitability of advanced composite materials for bridge structures as an alternative to conventional construction materials
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The catastrophic earthquakes of the last decades (Mexico City, 1985; Loma Prieta, 1989; Northridge, 1994; Kobe, 1995) have seriously undermined there putation of steel structures, which in the past represented the most suitable solution for seismic resistant structures. Even if in very few cases, the performance of steel joints and members was unexpectedly bad, showing that it was due to some lacks in the current design concept. As a consequence of the lessons learned from the above dramatic events, many progress has been recently achieved in the conception, design and construction, by introducing the new deals of the performance based design, including the differentiation of earthquaketypes and considering all factor influencing the steel structure behaviour under strong ground motions. In this scenario, the aim of the book is to transfer the most recent achievements into practical rules for a safe design of seismic resistant steel structures. The seven Chapters cover the basic principles and design criteria for seismic resistant steel structures, which are applied to the main structural typologies, like moment resistant frames, braced frames and composite structures with particular reference to connections and details.
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Posted by: mig21 - 10-27-2014, 11:27 AM - Forum: Archive
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[*]Article/eBook Full Name: Advances in Reliability and Optimization of Structural Systems [*]Author(s): John D. SØrensen and Dan M. Frangopol [*]Published By: CRC Press [*]Related Links:
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