Metastases to vertebrae often cause bone destruction leading to instability and neural compression. Anterior surgical approaches allow tumor resection and direct neural decompression. For patients with a short life expectancy, vertebral body replacement with methyl-methacrylate polymerized in situ can be used for load sharing in the axial plane. Screws hung from the rod into the corpectomy site...

In this study, unconfined compression tests have been conducted to investigate the impacts of copper slag on mechanical characteristics for stabilized cement and un-stabilized soil. Dozens of specimens were prepared at four percentages of cement (i.e. 0%, 2%, 4% and 6%) and five percentages of copper slag (i.e. 0%, 5%, 10%, 15% and 20%) by weight of dry soil. The samples compacted into a cylind...

This paper sought to explore the possibility of getting good pavement material from marine clay stabilized with cement and lime. Various tests analyses were carried out examine effects lime on soil. These repeated at intervals. Firstly, by carrying natural disturbed soil, then intervals, addition admixture (cement lime) 1.5%, 2.0%, 2.5%, 3.0%, 3.5%, 4.0%. With an increase admixtures; plasticity...

The objective of this paper is to investigate the use calcium aluminate cements as alternative within context nuclear waste stabilization by solidification. Using an external 60Co source, effect γ-radiation on H2 gas production one cement-based materials (cement “Ciment Fondu”) and its stable hydrates, was studied. amount produced these cement pastes found be much lower (up five times less) tha...

Soil improvement is commonly carried out in construction work with the aim of increasing bearing capacity / strength soil so that it can carry load will stand on it. The method often used stabilization addition materials. In this study, was Portland Cement. This research begins sampling and laboratory testing to determine physical mechanical properties soil, followed by making samples for Uncon...

The strength of cement-based stabilized clay is less than that concrete and mortar shows a distinct variability owing to the existence various minerals. To better understand cement–clay reactions generation, two artificial clays with unique mineral major strength-producing constituents cement clinker were investigated via mechanical, compositional, microstructural analyses. Results show C 3 A-s...

Abstract Purpose This work deals with the application of a solidification/stabilization process aim to obtain safe and reusable granular materials from polluted soil elucidate mechanisms involved in retention several heavy metals. Materials methods The High Performance Solidification/Stabilization (HPSS®) was applied selected contaminated by using both ordinary Portland cement calcium aluminate...

Abstract The stabilization of soft soils with hydraulic binder is a common technique all over the world. By means engineering properties fine-grained can be improved, where settlements or stability problems have to handled. Lime and cement are usual binders. use industrial by-products as binders has been investigated some already established on market in combination cement, e.g. fly ash slag. N...