Multi-Storey Precast Concrete Framed Structures


Book Description

Precast reinforced and prestressed concrete frames provide a high strength, stable, durable and robust solution for any multi-storey structure, and are widely regarded as a high quality, economic and architecturally versatile technology for the construction of multi-storey buildings. The resulting buildings satisfy a wide range of commercial and industrial needs. Precast concrete buildings behave in a different way to those where the concrete is cast in-situ, with the components subject to different forces and movements. These factors are explored in detail in the second edition of Multi-Storey Precast Concrete Framed Structures, providing a detailed understanding of the procedures involved in precast structural design. This new edition has been fully updated to reflect recent developments, and includes many structural calculations based on EUROCODE standards. These are shown in parallel with similar calculations based on British Standards to ensure the designer is fully aware of the differences required in designing to EUROCODE standards. Civil and structural engineers as well as final year undergraduate and postgraduate students of civil and structural engineering will all find this book to be thorough overview of this important construction technology.




Introduction To Lapidary


Book Description

An authoritative introduction to all aspects of lapidary is provided here by Pansy Kraus. She describes the processes, tools, and equipment of each branch of this fascinating hobby, helping the reader choose a technique, get started the right way, and determine which tools will work best to achieve specific results. &break;&break;Kraus describes the considerable rewards of tumbling rocks, making cabochons, carving gem materials, lapping, cutting spheres, making beads, and faceting. She provides a coherent overview of a vast and complex field, from the elements of getting started to studio visits with lapidary artist, where we discover what may be possible. &break;&break;Olive M. Colhour produces breathtaking Florentine pietre dure portraits by color-matching stones to paintings. Then, she cuts and polishes each rock separately before assembling her sculptured mosaics. &break;&break;Jerry Muchna facets three-dimensional quartz sculptures. His "Great Moments in America" series includes The Spirit of St. Louis, with 695 facets, and Iwo Jima, with 6,511 facets. &break;&break;Hing Wa Lee combines traditional Chinese technique - using a fixed shaft with a foot treadle - with the use of a modern flex shaft to produce carvings of astonishing intricacy. Working with traditional jadeite and nephrite - as well as more unusual materials, such as sugilite - he achieves a unique blend of antiquity and modernity. &break;&break;Their work is shown in 27 exciting color plates, along with that of other artists featured in the studio visits.




Beginner's Guide to Gemmology


Book Description

Beginner's Guide to Gemmology presents the profiles of the principal gem materials. This book discusses the interesting characteristics of gemstones as the growing consumer market jewelry resulted in increased sales of gem testing instruments. Organized into 12 chapters, this book begins with an overview of the development of the science of gemmology. This text then explains the fundamental qualities necessary in a gem, including color, hardness, specific gravity, crystallography, refractive index, pleochroism, critical angle, luminescence, and absorption spectra. Other chapters consider the organic gem materials, including amber, ivory, coral, tortoiseshell, jet, ebony, and pearl. This book discusses as well the various methods used in the production of man-made gemstones and the commercial use in gem testing. The final chapter deals with the composition of synthetic gemstones. This book is a valuable resource for gemmologists and jewelers. Students who intend to become a qualified gemologist will also find this book extremely useful.




Rockhounding for Beginners


Book Description

Go on an outdoor treasure hunt and enjoy all nature has to offer with this field guide to rockhounding, perfect for armchair geologists or anyone headed out on an adventure! Geology meets treasure hunting with this field guide to rockhounding! If you’ve ever kept an interesting rock or shell, bought a polished stone from a gift shop, or even just enjoyed a ’gram of a really cool crystal, congratulations! You’ve already experienced a rockhounding adventure! Rockhouding for Beginners shows you how to take your rockhounding to the next level, providing everything you need to know from tips for finding local sources for really cool finds to techniques for safely cleaning, cutting, polishing, and caring for the best samples. Complete with full-color photos to help you identify each rock and mineral wherever you find them, this guide has all the rockhounding information you need whether you’re ready to get down and dirty or simply want to learn more from the comfort of your couch.




Gem Cutting


Book Description




Amateur Gemstone Faceting Volume 1


Book Description

Amateur faceter Tom Herbst lays out the steps necessary to transform a shapeless lump of rock into a glittering jewel that is unique and valuable. Along the way, he explains not only the "how" but also the "why," and provides helpful tips in dealing with many of the pitfalls that confront the beginning gem cutter.




Opal Cutting Made Easy


Book Description

Proven step-by-step approach to cutting opal. Easy-to-use guide that takes the beginner through the first stone to advanced cutting techniques, including doublet and triplet making.




A Lapidary of Sacred Stones


Book Description

A comprehensive dictionary of sacred and magical gem lore that draws on the rarest source texts of Antiquity and the Middle Ages • Reveals the healing and magical virtues of familiar gemstones, such as amethyst, emerald, and diamond, as well as the lore surrounding exotic stones such as astrios, a stone celebrated by ancient magicians • Examines bezoars (stones formed in animals’ bodies) and “magnets” that attract materials other than metal • Based on ancient Arabic, Greek, Jewish, and European sources, ranging from the observations of Pliny the Elder to extremely rare texts such as the Picatrix and Damigeron’s Virtue of Stones Our ancestors believed stones were home to sacred beings of power, entities that if properly understood and cultivated could provide people protection from ill fortune, envy, and witchcraft; grant invisibility and other magical powers; improve memory; and heal the sick from a wide variety of diseases. These benefits could be obtained by wearing the stone on a ring, bracelet, or pendant; through massage treatments with the stone; or by reducing the gem into a powder and drinking it mixed with water or wine. Drawing from a wealth of ancient Arabic, Greek, Jewish, and European sources--from the observations of Pliny the Elder to extremely rare texts such as the Picatrix and Damigeron’s Virtue of Stones--Claude Lecouteux provides a synthesis of all known lore for more than 800 stones. He includes such common examples as the emerald, which when engraved with the figure of a harpy holding a lamprey in its claws will banish panic and nightmares, and beryl, which when appropriately carved can summon water spirits or win its owner high renown, as well as more exotic stones such as astrios, a stone celebrated by ancient magicians and whose center glows like a star. Lecouteux also examines bezoars--stones formed in animals’ bodies--as well as “magnets” that attract materials other than iron, such as gold, flesh, cotton, or scorpions. This comprehensive dictionary of sacred and magical gem lore, drawn from the rarest sources of Antiquity and the Middle Ages, represents a one-of-a-kind resource for gem enthusiasts and magical practitioners alike.




Gemstone Tumbling, Cutting, Drilling and Cabochon Making


Book Description

Take rock collecting to the next level: create gemstones that glisten and shine with beginner instructions that yield professional results. Beautifully cut, polished, and shaped gemstones are marvelous treasures. They can be very expensive to purchase, but have you ever wondered how to create your own? You might be surprised at how quickly you can learn to do it--and how affordable it is, especially when compared with many other popular hobbies. From Rough Stones to Wow is your one-stop shop for beginning and being successful along your lapidary journey. Written by Jim Magnuson, this accessible how-to guide keeps things simple while covering a variety of the most popular lapidary arts. The step-by-step instructions--supplemented by easy-to-follow, full-color photographs--can help you produce high-quality gemstone products that you'll be proud to display, wear, or even sell. Learn about the tools and equipment needed, as well as types of rocks and minerals you might want to utilize. Then, with Jim's focused instruction, you can discover the rewarding experience of taking rough stones and making your own creations. There's even a brief introduction to jewelry making, with seven simple jewelry projects. You'll appreciate these features: Easy-to-follow directions complemented by action-oriented photos Recommendations on lapidary machines Tips, charts, and checklists to jump-start your learning Techniques and tools that take you from start to finish




Cutting Gemstones


Book Description