hamed niroumand (99 résultats)

Taschenbuch. Etat : Neu. Neuware -The design of many structures need to foundation systems to resist vertical or horizontal uplift loads. As part of a larger effort to improve the performance of foundation systems, the development of guidelines for anchor system design and installation. The different structures like transmission towers, tunnels, sea walls, buried pipelines; retaining wall and etc are subjected to considerable uplift forces. In such cases, an absorbing and economic design solution may be obtained through the use of tension members. These elements, which are related to as anchors, are generally fixed to the structure and embedded in the ground to effective depth so that they can resist uplifting forces, will safety. Many researchers have investigated the influence of different parameters on the uplift response of horizontal anchors in sand.Books on Demand GmbH, Überseering 33, 22297 Hamburg 92 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -The Vibro Displacement technique is one of the most widely-used ground improvement processes in the world, although its potential for improving Irish sites has yet to be fully exploited. Historically the system has been used to densify loose granular soils, but over the past 35 years, the system has been used increasingly to reinforce soft cohesive soils and mixed fills. This book is described the technique and history of stone columns based on numerical methods such as FEM, FDM, DEM and SPH in the world. The vibrating pore breaks down the pores of the surrounding soil, thereby densifying the soil. The crushed aggregates or the gravel that is poured in takes the place of the soil and keeps up the pressure on the soil that was created by the vibrating probe. These columns are made across the area to be built on in a grid pattern at regular intervals.Books on Demand GmbH, Überseering 33, 22297 Hamburg 104 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -The Stone Column technique is one of the most widely-used ground improvement processes in the world, although its potential for improving Irish sites has yet to be fully exploited. Historically the system has been used to densify loose granular soils, but over the past 35 years, the system has been used increasingly to reinforce soft cohesive soils and mixed fills. This book is described the technique and history of stone columns based on experimental works in the world. The vibrating pore breaks down the pores of the surrounding soil, thereby densifying the soil. The crushed aggregates or the gravel that is poured in takes the place of the soil and keeps up the pressure on the soil that was created by the vibrating probe. These columns are made across the area to be built on in a grid pattern at regular intervals. This book, therefore, provides a review of stone columns and soil improvement based on experimental works.Books on Demand GmbH, Überseering 33, 22297 Hamburg 80 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -It is not a secret that the teaching of a nanotechnology course will soon be required in most engineering and architecture curricula. It is also generally accepted as one of the key state-of-theart courses in architecture. The need to develop an understanding of this general subject matter for architects of the future cannot be questioned. The research is in different disciplines and the basic and applied research is often not in step. The intent of this book is therefore to connect science and technology under the umbrella of nanotechnology in order to design and build practical and innovative materials and devices from the nanoscale upward. Nanoarchitecture is fast becoming a cross-cutting field where architects, chemists, physicists, engineers and environmentalists work together to improve society through nanotechnology. This book was a unique undertaking about nanotechnology in architecture.Books on Demand GmbH, Überseering 33, 22297 Hamburg 140 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -The design of many structures need to foundation systems to resist vertical or horizontal pullout loads. As part of a larger effort to improve the performance of foundation systems, the development of guidelines for anchor system design and installation. The different structures like transmission towers, tunnels, sea walls, buried pipelines; retaining wall and etc are subjected to considerable pullout forces. In such cases, an absorbing and economic design solution may be obtained through the use of tension members. These elements, which are related to as anchors, are generally fixed to the structure and embedded in the ground to effective depth so that they can resist uplifting forces, will safety. The anchors are a thin foundation system designed and constructed specifically to resist any pullout force or overturning moment placed on a structure. Generally, anchors are used to transmit different forces from a structure to the soil. Their strength is obtained through the shear strength and dead weight of the surrounding soil. The different types of anchors used in geotechnical engineering and anchors are including of: Grout system Helical system Plate system Soil hook system(SHS)Books on Demand GmbH, Überseering 33, 22297 Hamburg 128 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -Structures like buried pipelines, transmission towers and earth structures subjected to considerable vertical or horizontal pullout forces are usually supported by anchors. The anchors are helical or plate systems which require excavation and grout in their applications. During the last fifty years, many researchers focused on pullout capacity of anchors. The aim of this book is to obtain breakout factor and ultimate pullout capacity load of Soil Hook System (SHS) and compares it with previous finding by different researchers. SHS is a new anchor system base on the state of the art of plate anchors that does not require grout and excavation in their applications. It was found that the pullout load capacity and breakout of SHS was similar to the works done by the previous researchers in plate anchors. This book has solved the problem of the installation of anchors into sand with SHS without the need to grout or excavate.Books on Demand GmbH, Überseering 33, 22297 Hamburg 128 pp. Englisch.

Taschenbuch. Etat : Neu. Neuware -Earthen buildings come in a vast variety of shapes and sizes, made from materials like fired clay, compressed dirt and a mixture of clay, sand, straw and water. People have been using various forms of earth to build structures for centuries. Iranian architecture displays great variety, both structural and aesthetic, developing gradually and coherently out of earlier traditions and experience. Currently it is estimated that one half of the world's population approximately three billion people on six continents lives or works in buildings constructed of earth and while the vast legacy of traditional and vernacular earthen construction has been widely discussed, little attention has been paid to the contemporary tradition of earth architecture. It is a renewable building material that is simply borrowed from the earth for the life of the building and can be recycled indefinitely as a building material or returned to the earth. The thermal mass of the earth used in construction can be used to store both warmth and coolness, thus balancing diurnal fluctuations in temperature throughout the year.Books on Demand GmbH, Überseering 33, 22297 Hamburg 144 pp. Englisch.

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Taschenbuch. Etat : Neu. Neuware -Scientific research articles provide a method for scientists to communicate with other scientists about the results of their research. A standard format is used for these articles, in which the author presents the research in an orderly, logical manner. This doesn't necessarily reflect the order in which you did or thought about the work. The dissemination of research results and findings is an integral part of the research process. Researchers write to keep records of their work for themselves, but more importantly also for the readers and peer researchers who are expecting a standard form, language, and style when reading research papers. Writing in a scientific style may be hard in the beginning for novices, but clear communication and concise writing have no magic involved. The author has helped provide to the profession significant information on which to base current decisions on writing of scientific articles and on which to build for future developments and methods. This book gives an introductory report on basic issues of writing and organizing scientific articles, and getting them published.Books on Demand GmbH, Überseering 33, 22297 Hamburg 172 pp. Englisch.

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Taschenbuch. Etat : Neu. Neuware -Stone columns have been used since the 1950's as a technique for soil improvement such as cohesive soils and silty cohesion less soils. Stone column's applications includes (1) stabilizing the foundation soils to support embankments, approach fills and reconstruction work on weak cohesive soils, (2) supporting retaining structures (including Reinforced Earth), bridge bent and abutment structures on slightly marginal soft to stiff clays and loose silty sands, (3) landslide stabilization and (4) reducing liquefaction potential of clean sands. Also, stone columns under proper conditions may be greatly decrease the time required for primary consolidation. The stone column technique of ground behavior has proven successful in (1) improving slope stability of both embankments and natural slopes, (2) increasing bearing capacity, (3) reducing total and differential settlements, (4) reducing the liquefaction potential of sands and (5) increasing the time rate of settlement. Stone column construction involves the partial replacement of unsuitable subsurface soils with a compacted vertical column of stone that usually completely penetrates the weak strata.Books on Demand GmbH, Überseering 33, 22297 Hamburg 232 pp. Englisch.

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