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Tests to Establish Concrete Pumpability Semantic Scholar

technologies patients systems: Topics by Science.gov

technologies patients systems: Topics by Science.gov. Technology and the healthcare system: implications for patient adherence. PubMed. Beni, Juliet B. Liming. Patient nonadherence is a growing and costly problem in the healthcare system, especially for patients with chronic illness. Between 25% and 40% of patients are nonadherent to

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Tests to Establish Concrete Pumpability

This paper describes test methods developed for examining the pumping characteristics of concrete which have aided the range of studies undertaken on pumped con

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Hydro-mechanical properties of fresh cement pastes

Nov 01, 2013 · 1. Introduction. Fresh cement pastes and generally fresh cement-based materials are suspensions of grains in a liquid phase. However, fresh cement pastes are generally regarded as homogeneous thixotropic yield stress materials,,,, .This assumption is commonly used to predict the mechanical behavior and stability of these fresh pastes during casting or pre-casting.

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Mix design for durable and pumpable - Semantic Scholar

Mix design for durable concrete using fly ASH, slag and locally available aggregate. M. R. Kamal. Environmental Science. 2019. 1. Highly Influenced. View 10 excerpts, cites background and methods. Research Feed. A Durable Concrete Mix Design Approach using Combined Aggregate Gradation Bands and Rice Husk Ash Based Blended Cement.

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Effect of Ferrous | PDF | Casing (Borehole) | Cement

These cubes were subjected to compressive strength tests; and finally, an X-ray diffraction (XRD) equipment was used to test for the presence of chemical compounds in the failed cement sheath ground. All prepared cement slurries, and cubes of cement sheath used in this experiments were done based on the API Specification 10A of 2019.

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Development of a method to test the pressurized absorption

Aug 10, 2016 · Browne RD, Bamforth PB (1977) Tests to establish concrete pumpability. ACI J Proc 74(5):193–203. doi:10.14359/11001. Google Scholar 23. EuroLightCon (2000) Stability and pumpability of lightweight aggregate concrete test methods. The European Union—Brite EuRam III, Project Report-Document BE96-3942/R21. pp 10–21.

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Droplet Motion and Phase Change Model with Two-Way

In this test, a cold-water spray is injected into the steam-air-filled vessel, resulting in partial depressurization. The first phase (2003-2004) was blind and the second (2005) open.

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Optimizing the language and format of guidelines to

Oct 04, 2016 · Organizations around the world produce clinical practice guidelines at an astonishing pace, with great effort and at substantial cost. 1 Unfortunately, despite broad dissemination efforts, large gaps remain between guideline recommendations and real-world practice across health systems, practitioner and patient types, and diseases. 2 Conventional approaches to guideline implementation …

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صفحه اصلی - Library

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صفحه اصلی - Library

1994 190 215 300. 42 1985 0 0 200. 41 1985 0 0 200. 40 1985 0 0 200. 39 1985 0 0 200. 38 1984 0 0 200. 37 1984 0 0 200. 36 1984 0 0 200. 35 1984 0 0 200. 34 1983 0 0 …

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Correlating rheological properties to the pumpability and

Nov 15, 2015 · Currently, one of the simplest and most accepted evaluation methods for determining the pumpability of fresh concrete is the slump test. However, it has been recognized that the slump test is insufficient to directly assess the pumpability of fresh concrete because pumpability could significantly vary even among mixtures with an identical slump

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Testing pumpability of concrete using Sliding Pipe

Feb 28, 2014 · Conventionally, the pumpability and workability of fresh concrete have been determined using the standard slump test, or flow table test, . General quantitative estimation of required pumping pressure using, for example, nomographs based on slump or spread values have been proposed and discussed in a number of previous publications [15], [16] .

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[PDF] Assessing the pumpability of concrete with the slump

It can be concluded that the slump- and slump-flow test and the pressure bleeding test are useful methods for assessing the consistency and cohesiveness. This means that these methods can be used for assessing the pumpability of concrete. Further improvements for these test methods must be sought in practical improvements.

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Creationism & Intelligent Design | PDF | Creationism

Creationism & Intelligent Design - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

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EXPERIMENTAL INVESTIGATION ON THE USE OF STEEL- …

concrete, the compaction and rupture age, among other factors. There are various kinds of tests for quantifying steel-concrete bonding. The most widely used, due to its simplicity and effectiveness, is the so called pull-out test (POT). One of the parameters the test …

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(PDF) Postgraduate Prospectus | Dr Zeeshan Shafiq

Academia.edu is a platform for academics to share research papers.

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Changes in concrete properties during pumping and

Jun 01, 2018 · The pumpability of fresh concrete depends on the rheological properties of concrete bulk and forming LL [17,18,22]. In practice it is best described as the relationship between pumping pressure and flow rate in a P–Q curve with A as y-intercept and B as curve slope; see Fig. 8 and Table 4 .

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Fatigue behaviour of strain-hardening cement-based

Many bending tests of concrete beams containing SHCC layers have been carried out, indicating an improved crack resistance [11], load capacity [26], deformability [27,28] and fatigue behavior [29

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Estimating Compressive Strength of High Performance

This research carries out a comparative study to investigate a machine learning solution that employs the Gaussian Process Regression (GPR) for modeling compressive strength of high-performance concrete (HPC). This machine learning approach is utilized to establish the nonlinear functional mapping between the compressive strength and HPC ingredients.

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Chloride conductivity testing of concrete – past Journal

The CC test rig shown in Figures 3 and 4 has been used virtually since the inception of this test. More recently (circa 2012), a "new CC test rig" was developed. A schematic representation of the new CC test rig is shown in Figures 5 and 6. The new CC test rig encompasses the following changes (with respect to the old CC test rig): i.

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