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Read "Construction Materials Their Nature and Behaviour, Fourth Edition" by available from Rakuten Kobo. Sign up today and get $5 off your first download. This eBook collection covers all aspects of construction materials. Construction materials: their nature and behaviour / [edited by]. Peter Domone and J. M. Illston. – 4th ed. collection of thousands of eBooks please go to www.
This new edition has been expanded to cover recent developments such as the use of glass as a structural material. It also now examines the contribution that material selection makes to sustainable construction practice, considering the availability of raw materials, production, recycling and reuse, which all contribute to the life cycle assessment of structures. As well as being brought up-to-date with current usage and performance standards, each section now also contains an extra chapter on recycling. This new edition maintains our familiar and accessible format, starting with fundamental principles and continuing with a section on each of the major groups of materials. It gives you a clear and comprehensive perspective on the whole range of materials used in modern construction. Order as many items as you want for one low delivery fee per order to an address in Australia. Sometimes not all items in your order are available for shipment at the same time, and items may be delivered separately.
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This paper aims to present the structural and mechanical behaviour of high alumina additivated cement based on high mineralogical refractory compounds such as dicalcium monoaluminate and monocalcium hexa aluminate in comparison with the usual high alumina cement, at normal temperature and after treatment at high temperature heat, too.
This paper investigated the suitability of the use of borrow pit sand locally known as Obimo sand in structural concrete. It was found out that the specimens fall within the acceptable limits of fine aggregates for structural concrete works given in both IS: The chemical composition obtained by elemental analysis using X-ray florescence spectrometry proved Obimo sand samples free of sulfate and saline contents.
Also the concrete made from the WOS gave 6. Specifically, the compressive strength ranged from Conclusively, a cost analysis carried out showed a reduction of 1.
For the last decades, concrete materials and technology have been widely developing in many ways in order to achieve an economic and high quality product. But from the other hand concrete offersa wide range of capabilities to achieve a good balance between human needs and earth's capacity which is known as the sustainability.
Two stage concrete TSC known sometimes as preplaced aggregate concrete PAC is a relatively as a new concrete type which has ability to satisfy the requirements of performance and sustainability. Its main concept depends on pre-packing the coarse aggregates in the formwork, then injecting cement mortar grout into the voids in between the aggregates.
This low percentage of voids should have a positive impact on the concrete properties both on short and long term basis.
The behaviour of TSC in compression has been well documented, but there are little published data on its behaviour in tension and modulus of elasticity. This paper presents results of experimental testing of TSC made with two types of coarse aggregates and three different mix proportions of grout.
It was found that the modulus of elasticity of two-stage concrete is equivalent or higher than that of conventional concrete for the same compressive strength. Relationships of stress versus strain and modulus of elasticity versus compressive strength were statistically derived and elaborated.
The aim of this study was to find a new method for usage of the hazardous waste coming from the aluminium scrap recycling factories. It is generally considered that non-metallic residues NMR are process waste and subject to disposal after residual metal has been recovered from primary dross. NMR are impurities, which are removed from the molten metal in the process of dross recycling, and it could be defined as a hazardous waste product. Processing of NMR created in the aluminium scrap recycling companies is one of the most challenging tasks due to its toxic nature - in accordance with the Basel Convention, Annex III, marking of this waste is H 4.
The new alkali activated materials, which could be defined as porous building materials, were created by using calcined illite clay from local site and NMR.
Physical and thermal properties of the obtained materials were tested. The compressive strength of the materials was in range from 1.
The thermal conductivity of porous alkali activated building materials was between 0. Steel fibers have been used worldwide to enhance properties of concrete but have not yet gained popularity in Pakistan. An experimental study was conducted to study the mechanical properties of steel fiber reinforced concrete that would lead to recommendation for possible use in Pakistan.
Steel fibers conforming to recommendations of ACI Committee were used with cement, sand and silica fume to cast samples for testing. Three different mixes were made with 2. Water cement ratio was kept as low as 0. Super plasticizer was added to increase workability.
Reduction in flowability of concrete was observed with increasing percentage of fibers. Compressive, splitting tensile and flexural strengths were defined by testing standard cylinders and beams made up of different mixes of SFRC.
Achieved compressive, splitting tensile and flexural strengths were much higher than the conventional concrete strengths used in Pakistan.
Results of the study indicate that SFRC has the potential to be used in Pakistan in structures where high strength and is desired. Durability aspects of SFRC have to be looked into before it can be used in structures exposed to aggressive environments or located in coastal areas. In order to reduce the footprint over the environment, regarding the great energy consumption required to produce cement, it was allowed in the International, European and Egyptian standards to produce the blended cement known as CEMII.
The obtained blended cement was found to be in good conformity to the standards. Standard test methods of cement mortar were applied, then the best ratios of additions were investigated.
The properties of concrete should be estimated in order to simulate the behavior of concrete structures at early age.
However, it is difficult to estimate properties of concrete at early age because they change with time, temperature history, humidity and etc.
In this study, a new approach is suggested in estimation of concrete properties such as final autogenous shrinkage, final creep coefficient and thermal expansion coefficient. Properties of concrete at early age are estimated by comparing between the results of analysis and experiments considering the effects of mixing material, temperature history and humidity by using thermal stress device which is able to get stress history in a chamber with various temperature history because each step of the analysis has the best values of concrete properties which would result in similar stress results between the analysis and the experiments.
The results show that properties of concrete change with time at very early age which is within 1 day and then are converged to constant values. Construction and Ready-Mix waste constitutes one of the increasing waste potentially useful material is disposed of as landfill.
The environmental and economic implications of these are no longer considered sustainable and, as a result, the construction industry is experiencing challenges to overcome this practise.
This investigation was aimed at examining the effects of recycled aggregates, ready-mix waste and laboratory waste on the properties of fresh and hardened concrete. Demolished material exhibited lower compressive and flexural strength and high initial slump.
Laboratory waste on the other hand, showed a slight decrease in compressive and flexural strength, it however had a constant initial slump and good durability properties. The returned ready mix stone and sand material showed more positive results in most properties as compared to the other two waste materials. This work has demonstrated that there is a potential in utilising recycled aggregate in producing concrete although the actual percentage of substitution has to be determined by the intended application.
A pozzolan is a material that contains reactive silica or silica and alumina. When finely ground and mixed with lime in the presence of water, pozzolans react to form a cement-like product. Uganda has a vast potential for natural pozzolans especially in the rift valley areas.
However, limited investigations have been done in the past on their quality and potential to reduce the cost of housing especially for the low-income earners in Uganda. This study was aimed at generating data to determine their suitability for use in low-strength construction applications.
The study established diverse physical and chemical properties of natural pozzolans in Uganda. The findings indicate a strong bearing between pozzolan grading and strength development. Due to the cost implications of attaining the finest grades, the ratio of pozzolan to lime in the blend was varied to attain optimum grades that can provide adequate strength for a number of low-strength construction applications without escalating the cost. The study recommends further investigation of strength variations of pozzolan-lime blends to generate products for specific applications at a reasonable cost.
Unhydrated cement particles mainly played the role of filling and micro-aggregates in the material. Engineered cementitious composites ECC with the excellent tensile strain capacity was made of domestic raw materials except PVA-fiber. The effect of water-binder ratio, fiber content and silica fume content on the mechanical properties was investigated in this paper.
The results showed that high water-binder ratio and larger amount of PVA-fiber will help to improve tensile property of ECC with adding a moderate amount of silica fume. While the compressive strength of ECC was SEM analysis showed that large amount of spherical non-hydrated fly ash could improve the matrix and fiber interface structure. The water-binder ratio has a great effect on the structure compactness of the hydration products and fiber abrasion degrees.
Guest Access. Gunther Meschke. Zhenhai Guo. Vernacular and Earthen Architecture: Conservation and Sustainability. Camilla Mileto. Abi Aghayere. Feng Fu.
Charlie Chunlin Li. Innovative Bridge Design Handbook. Alessio Pipinato. Advances in Applied Mechanics.
John W. Green Energy Audit of Buildings. Drystone Retaining Walls.
Paul F. Design and Analysis of Tall and Complex Structures. Neural Networks and Pattern Recognition. Omid Omidvar. Sustainable Construction Materials. Ciaran J.
Rafael Sacks. Ballastless Tracks. Stephan Freudenstein. Yuanqiang Cai.
Hurricane Generated Seas. Michel Ochi. Florindo Gaspar. Load and Global Response of Ships. J Jensen. Modeling Steel and Composite Structures. Pedro Vellasco. Environmental Management Plans Demystified. Stephen Tinsley. Simplified Theory of Plastic Zones.