نتایج جستجو برای: cement stabilization
تعداد نتایج: 78563 فیلتر نتایج به سال:
With the use of additive, clay's shear strength and bearing capacity increased. Usage waste material, Wooden Hush Ash (WHA), is tiny. The silicate content WHA almost same as RHA. This study aims to utilize ASK for a stabilization material high plasticity clay increase strength. Unconfined Compression Strength (UCS) tests were performed compare UCS value clay; with 5% cement; lime; clay-cement W...
Abstract Encountering weak fine-grained soil presents a significant challenge during highway construction. The conventional approach to address this involves incorporating calcium-based stabilizers, particularly cement, for stabilization. However, despite its widespread use, the application of cement stabilization has adverse environmental consequences. Accordingly, finding alternative methods ...
Abstract Geopolymer (GP) has recently emerged as a novel and environmental friendly alternative to conventional soil stabilization products like lime Ordinary Portland Cement (OPC), which adversely affect the environment. This article emphasizes GPs produced from high calcium class C fly ash (CFA) an alkali activator comprising sodium hydroxide silicate solution for sand stabilization. The expe...
STUDY DESIGN In a human cadaveric burst fracture model with and without longitudinal ligament damage, the amount of anterior and posterior bone displacement (ABD, PBD) during balloon vertebroplasty after pedicle-screw instrumentation was investigated quantitatively. OBJECTIVES To investigate, in a burst fracture model with and without longitudinal ligament damage, the amount of ABD, PBD, and ...
Background and purpose: The common method of stabilization in noncancerous lesions of anterior cervical vertebrae is the use of interbody bone graft and instulation of caspar plate and screws which is followed by several complications, breaking or loosing of screw, damage to esophagus and improper fusion of bone graft, as a result, damage to spinal cord during fixing the screw and also expous...
Soil stabilization has been widely used to improve soil strength and durability or to prevent erosion and dust generation. Generally to reduce problems of clayey soils in engineering work and to stabilize these soils additional materials are used. The most common materials are lime, fly ash and cement. Using this materials, although improve soil property , but in some cases due to financial pro...
A cement-based stabilizer is effective in stabilizing the peat soft ground with extremely high compressibility and low shear strength for road construction. Moreover, stabilized soil occasionally fractured reused embankments, depending on construction site conditions. In such circumstances, subjected to stress history owing stabilization, crushing, reconstitution. this study, evaluate implicati...
To improve the soft grounds, soil stabilization has been used widely in many tropical countries including Vietnam. This paper presents experimental study on use of modifying agent for expansive stabilization. A real-scale one-kilometer rural road was test. It divided into four parts, and each part subjected to different tests. The specimens extracted from every quarter were denominated as Q1 (s...
The use of equilibrium-based and mass transfer-based leaching tests has been proposed to provide an integrated assessment of leaching processes from solid wastes. The objectives of the research presented here are to (i) validate this assessment approach for contaminated soils and cement-based matrices, (ii) evaluate the use of diffusion and coupled dissolution-diffusion models for estimating co...
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