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Keywords: cement
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-019
... ABSTRACT The compression strength of set cement at ultra-high temperature conditions (200°C or greater) degrades seriously. Consequently, the strength and anti-strength retrogression of set cement at high temperature are studied using different compression strength experimental techniques...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-197
... ABSTRACT Nowadays, heavy metal pollution in seabed silt is becoming more and more serious. In this study, a new disposal method of using dredged sludge mud mixed with quicklime, sand and cement to produce bricks was proposed. Taking the water absorption and compressive strength of unburned...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2228
... ABSTRACT This paper describes study on permeation of ultra-fine particle cement grout to sandy ground. The cement grouting method was one of the improvement methods to strengthen the sandy ground. However, the conventional cement grout was difficult to permeate into sandy ground. The purpose...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-100
... Suitability of amphoteric ion polymer as retarder for calcium aluminate phosphate cement Huajie LIU a, , Yuhuan BU a , Leiju TIAN a , Chang LU b a College of Petroleum Engineering, China University of Petroleum. Qingdao, Shandong Province, China. b School of Mining and Petroleum Engineering...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-142
... to build embankments. The soft seabed soil mix with stabilizing agent (e.g. cement) are filled into large-size geotextile bags, the bags are placed by layers to form an embankment. This paper focuses on the engineering characters of bagged soil with low dosage of cement and the influence factors...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-319
... ABSTRACT. A new formula to estimate the strength of cement-treated clay was proposed by the authors instead of the conventional formula determined by water-cement ratio. The key parameter in the new formula is a volumetric solid ratio, which is defined as a volume ratio of soil plus cement...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-795
... is big on the Pacific coast of Russia. The corrosion resistance of alkaline concrete in comparison with the control on cement concrete hardening after six months in different environments (fresh water, sea water, sulfate solution, atmospheric conditions, normal hardening, freezing-thawing, wetting-drying...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-156
... Abstract Calcium phosphate cement slurries used for thermal production wells cementing adapt to the soft formations and steam huff and puff were investigated. Calcium phosphate cement slurries were developed with density of 1.50 g/cm 3 and 1.90 g/cm 3 , respectively. The properties of cement...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-223
... Abstract Marine dredged clay of high water content treated with low quantity of cement have been widely used as construction material for recycling, in Japan. In this study, strength mobilization of cement treated clay was carry out with different water content and cement content based...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-641
... compressive and bending strength was determined under different doses of nanosilica and water-cement relations 0.39-0.50. Nanosilica increases compressive strength up to 72%. The dependences of concrete compressive and bending strength, density, characteristics of silica, hydrothermal solution, extraction...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-572
... ABSTRACT We developed a new soil-cement material which was mixed with soil, water, vinylon fiber and cement. This material is superior with respect to water tightness especially. In this study, unconfined compressive strength tests, bending strength and shear strength tests of this material...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-233
... ABSTRACT The geotechnical characteristics of marine clay are large compressibility and low bearing capacity. To utilize the ground that consists of this type of soil, it is essential to carry out an optimal ground improvement procedure. The deep cement mixing and grouting method has been...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-219
... ABSTRACT The artificial lightweight material obtained by mixing diatom soil and finely pulverized waste melting slag with slaked lime and cement under freezing and thawing test is investigated the possibility of usage for cold region. After freezing and thawing test, the effects of mixing...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-287
..., the samples were muddy soil, decomposed granite soil, and soil stabilizing cement for soft soil. Muddy Soil (in a laboratory test) The properties of the muddy soil are shown in Table 1 and grain size accumulation curve is shown in Fig. 4. Because the properties of the muddy soil are greatly different...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-078
... Contamination Resistant Phosphate Ceramic Cement for Arctic Applications Nilesh Limaye, Prachi B. Vohra, Shirish L. Patil, Santanu Khataniar, Gang Chen, and Abhijit Y. Dandekar University of Alaska Fairbanks Fairbanks, Alaska, USA ABSTRACT Designing an effective cement for arctic applications...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-365
... technology is developed. So offshore rig industry face the new era. artificial intelligence operation drilling fluids and materials wellbore simulator pipe modeling cement drill bit implementation drilling simulation object-oriented architecture drilling process drilling fluid management...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-041
... silty marine sediment air bubble structure characteristic specimen unconfined compression strength construction agent fluid dynamics lightweight air-mixed soil strength air pore compression strength microscope cement in-situ soil mineral LWS Sheet pile Pavement LWS Existing...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-618
... ABSTRACT Stone sludge is produced in the process of cutting and grinding of stones. Because stone sludge contains a lot of silica, it is thought that mixing the stone sludge expedites the pozzolanic reaction of cement. In this study, we mixed irrigation pond sludge with stone sludge and cement...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-309
... ABSTRACT Cementing in deepwater wells has some challenges such as cold temperatures, shallow flow, and lost circulation. With the water depth increasing, the sea water temperature decreases gradually. So, the test program of deepwater cement slurry is different from that of the general cement...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-442
... ABSTRACT Controlled low strength material (CLSM) is a flowable mixture such that it does not need compaction. It is produced by mixing Portland cement, fly ash, fine aggregates, water, and chemical admixtures. Sand is the most commonly used fine aggregates in the conventional CLSM...

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