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Author : Eileen Lucas
Publisher : Lerner Publishing Group
Page : 48 pages
File Size : 41,6 Mb
Release : 2018-01-01
Category : Juvenile Fiction
ISBN : 9781430129912
The memorable and courageous story of nine teenagers in Little Rock, Arkansas in 1957 who helped "crack the wall" of segregation is clearly presented in this inspiring story.
Author : Eileen Lucas
Publisher : Millbrook Press
Page : 48 pages
File Size : 49,9 Mb
Release : 2009-08-01
Category : Juvenile Fiction
ISBN : 9780761358411
In 1957, nine teenagers were chosen to be the first black students to attend all-white Central High School in Little Rock, Arkansas. A small group of people in Little Rock, including the governor of Arkansas, wanted to keep them out. But those nine studen
Author : Ronnie Stallworth, Sr.
Publisher : Unknown
Page : 268 pages
File Size : 47,7 Mb
Release : 2021-05
Category : Electronic
ISBN : 173555670X
In life, we all face certain barriers to success. These barriers are walls that stand between us and our next level of growth. My father taught me that, if you look hard enough, you will see that there are always cracks in the wall. The goal is to persist in finding those cracks in the wall and pressing our way through them. We can't accept the notion that a wall has no cracks. Nor can we make excuses or blame others for the walls. We must make every effort to breach them. I've carried this advice in my heart all my life. Throughout my journey, I've come to understand more about these walls, and the people on either side of them. On one side of the wall, there are Hidden Gems. Underprivileged, disadvantaged individuals, facing tough situations with tenacity and perseverance but obscured by their circumstances or the preconceived stigma surrounding it. On the other side of the wall, there are successful individuals that are blessed with the ability to dig deeper and seek out the potential that lies beyond the surface of these Hidden Gems' perceived lack of aptitude, in part, due to their impoverished circumstances.The wall stands can appear overwhelming with oppressive forces. But thank goodness these walls are not insurmountable; there are always cracks in the wall. This is an uplifting, motivational and inspirational book by a Black man who was raised by an elderly father in the South during the 60s. Ronnie overcame extreme poverty, homelessness, and illiteracy, and achieved success as an engineer and philanthropist. The lessons in this book are cross-racial, cross-generational, and are relevant to both ends of the socio-economic spectrum with its simple, powerful message: REACH THROUGH THE CRACKS IN THE WALL THAT DIVIDES US.
Author : Claudia Piñeiro
Publisher : Bitter Lemon Press
Page : 230 pages
File Size : 46,5 Mb
Release : 2013-07-15
Category : Fiction
ISBN : 9781908524096
Pablo Borla's marriage is reduced to confrontations with his wife over their daughter's rebellious ways and his firm builds only repellent office blocks destroying the fabric of old Buenos Aires. It all changes with the arrival of a young woman who brings to light a murder committed decades ago by those in his office. A murder everyone assumed was forgotten. Claudia Piñeiro, after working as a professional accountant, became a journalist, playwright and television scriptwriter and in 1992 won the prestigious Pléyade journalism award. She has more recently turned to fiction; All Yours (finalist for the 2003 Planeta Prize) and Thursday Night Widows.
Author : Richard C. Anderson
Publisher : Stackpole Books
Page : 273 pages
File Size : 53,5 Mb
Release : 2009-11-18
Category : History
ISBN : 9780811742719
Refreshingly different perspective on the momentous events of D-Day.
Author : R. Springenschmid
Publisher : CRC Press
Page : 500 pages
File Size : 50,7 Mb
Release : 1994-10-13
Category : Architecture
ISBN : 0419187103
Restraint and intrinsic stresses in concrete at early ages are vitally important for concrete structures which must remain free of water-permeable cracks, such as water-retaining structures, tunnel linings, locks and dams. The development of hydration heat, stiffness and strength, also the degree of restraint and, especially for high-strength concrete, non-thermal effects, are decisive for sensitivity to cracking. Determining thses stresses in the laboratory and in construction components has led to a clearer understanding of how they develop and how to optimize mix design, temperature and curing conditions. New testing equipment has enabled the effects of all the important parameters to be qualified and more reliable models for predictiong restraint stresses to be developed. Thermal Cracking in Conrete at Early Ages contains 56 contributions by leading international specialists presented at the RILEM Symposium held in October 1994 at the Technical University of Munich. It will be valuable for construction and site engineers, concrete technologists and scientists.
Author : Francis Barre,Philippe Bisch,Daniele Chauvel,Jacques Cortade,Jean-François Coste,Jean-Philippe Dubois,Silvano Erlicher,Etienne Gallitre,Pierre Labbé,Jacky Mazars,Claude Rospar,Alain Sellier,Jean-Michel Torrenti,François Toutlemonde
Publisher : John Wiley & Sons
Page : 256 pages
File Size : 47,5 Mb
Release : 2016-08-16
Category : Technology & Engineering
ISBN : 9781119347439
This book presents new guidelines for the control of cracking in massive reinforced and prestressed concrete structures. Understanding this behavior during construction allows engineers to ensure properties such as durability, reliability, and water- and air-tightness throughout a structure’s lifetime. Based on the findings of the French national CEOS.fr project, the authors extend existing engineering standards and codes to advance the measurement and prediction of cracking patterns. Various behaviors of concrete under load are explored within the chapters of the book. These include cracking of ties, beams and in walls, and the simulation and evaluation of cracking, shrinkage and creep. The authors propose new engineering rules for crack width and space assessment of cracking patterns, and provide recommendations for measurement devices and protocols. Intended as a reference for design and civil engineers working on construction projects, as well as to aid further work in the research community, applied examples are provided at the end of each chapter in the form of expanded measurement methods, calculations and commentary on models.
Author : FIB – International Federation for Structural Concrete
Publisher : FIB - International Federation for Structural Concrete
Page : 204 pages
File Size : 46,8 Mb
Release : 1981-12-01
Category : Technology & Engineering
ISBN : 8210379456XXX
Author : Y. Frank Cheng
Publisher : John Wiley & Sons
Page : 292 pages
File Size : 50,6 Mb
Release : 2013-02-19
Category : Science
ISBN : 9781118022672
Explains why pipeline stress corrosion cracking happens and how it can be prevented Pipelines sit at the heart of the global economy. When they are in good working order, they deliver fuel to meet the ever-growing demand for energy around the world. When they fail due to stress corrosion cracking, they can wreak environmental havoc. This book skillfully explains the fundamental science and engineering of pipeline stress corrosion cracking based on the latest research findings and actual case histories. The author explains how and why pipelines fall prey to stress corrosion cracking and then offers tested and proven strategies for preventing, detecting, and monitoring it in order to prevent pipeline failure. Stress Corrosion Cracking of Pipelines begins with a brief introduction and then explores general principals of stress corrosion cracking, including two detailed case studies of pipeline failure. Next, the author covers: Near-neutral pH stress corrosion cracking of pipelines High pH stress corrosion cracking of pipelines Stress corrosion cracking of pipelines in acidic soil environments Stress corrosion cracking at pipeline welds Stress corrosion cracking of high-strength pipeline steels The final chapter is dedicated to effective management and mitigation of pipeline stress corrosion cracking. Throughout the book, the author develops a number of theoretical models and concepts based on advanced microscopic electrochemical measurements to help readers better understand the occurrence of stress corrosion cracking. By examining all aspects of pipeline stress corrosion cracking—the causes, mechanisms, and management strategies—this book enables engineers to construct better pipelines and then maintain and monitor them to ensure safe, reliable energy supplies for the world.
Author : Arnon Bentur
Publisher : RILEM Publications
Page : 360 pages
File Size : 43,7 Mb
Release : 2003
Category : Concrete
ISBN : 2912143330
Author : Fragkoulis Kanavaris,Farid Benboudjema,Miguel Azenha
Publisher : Springer Nature
Page : 406 pages
File Size : 51,5 Mb
Release : 2021-05-18
Category : Technology & Engineering
ISBN : 9783030729219
This volume gathers the latest advances, innovations and applications in the field of crack control in concrete, as presented by leading international researchers and engineers at the International RILEM Conference on Early-age and Long-term Cracking in RC Structures (CRC 2021), held in Paris, France on April 9, 2021. It covers early-age and long-term imposed deformations in concrete, analytical formulations for calculating crack widths in concrete, numerical simulations of early-age and long-term restrained behaviour of concrete elements, experimental investigations on cracking, on-site monitoring of imposed deformations and cracking, crack control and repair, and sustainability of design and remediation. The conference demonstrated that a comprehensive approach to this problem requires the design of robust experimental techniques, the development of multiscale models and the evaluation of code-based and other analytical approaches relevant to crack control in concrete. The contributions, which were selected through a rigorous international peer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations.
Author : R. Springenschmid
Publisher : CRC Press
Page : 365 pages
File Size : 45,8 Mb
Release : 2004-06-02
Category : Architecture
ISBN : 9781482271812
An important new report from the RILEM Technical Committee 119. This book presents models and methods to determine thermal stresses and cracking risks in concrete. The possible influences on and causes of thermal cracking of concrete are discussed and cases of practical measures for avoiding cracking are detailed.
Author : Thomas J. Moore
Publisher : Unknown
Page : 28 pages
File Size : 45,9 Mb
Release : 1993
Category : Stainless steel
ISBN : NASA:31769000445331
Author : Arnon Bentur,K. Kovler
Publisher : RILEM Publications
Page : 406 pages
File Size : 41,6 Mb
Release : 2002
Category : Cement composites
ISBN : 2912143292
Author : Robert M. Ebeling,Robert C. Patev,Reed L. Mosher
Publisher : Unknown
Page : 70 pages
File Size : 41,5 Mb
Release : 1996
Category : Concrete
ISBN : MINN:31951D02087898P
