Potential of Marine Clay for Cement Replacement and Pozzolanic Additive in Concrete

2020 ◽  
pp. 57-65
Author(s):  
Hongjian Du ◽  
Anjaneya Dixit ◽  
Sze Dai Pang
Keyword(s):  
Marine Clay ◽  
Cement Replacement

Effect of ground granulated blast funrnace slag and fly ash on strength, permeability, and under-water abrasion of fine-grained concrete

2020 ◽  
Vol 71 (7) ◽  
pp. 775-788
Author(s):  
Quyet Truong Van ◽  
Sang Nguyen Thanh
Keyword(s):  
Fly Ash ◽  
Concrete Strength ◽  
Cementitious Materials ◽  
Supplementary Cementitious Materials ◽  
Chloride Permeability ◽  
Cement Replacement ◽  
Fine Grained ◽  
Granulated Blast Furnace Slag ◽  
Compressive Strength Test ◽  
Economic Ground

The utilisation of supplementary cementitious materials (SCMs) is widespread in the concrete industry because of the performance benefits and economic. Ground granulated blast furnace slag (GGBFS) and fly ash (FA) have been used as the SCMs in concrete for reducing the weight of cement and improving durability properties. In this study, GGBFS at different cement replacement ratios of 0%, 20%, 40% and 60% by weight were used in fine-grained concrete. The ternary binders containing GGBFS and FA at cement replacement ratio of 60% by weight have also evaluated. Flexural and compressive strength test, rapid chloride permeability test and under-water abrasion test were performed. Experimental results show that the increase in concrete strength with GGBFS contents from 20% to 40% but at a higher period of maturity (56 days and more). The chloride permeability the under-water abrasion reduced with the increasing cement replacement by GGBFS or a combination of GGBFS and FA

Prediction, Testing, and Analysis of a 50 m Long Pile in Soft Marine Clay

2019 ◽  
Vol 13 (2) ◽  
Author(s):  
Bengt Fellenius
Keyword(s):  
Peak Load ◽  
Pile Head ◽  
Marine Clay ◽  
Loading Test ◽  
Head Displacement ◽  
Floating Pile ◽  
Peak Loads ◽  
Static Loading Test ◽  
Beta Coefficient ◽  
Load Movement

On April 4, 2018, 209 days after driving, a static loading test was performed on a 50 m long, strain-gage instrumented, square 275-mm diameter, precast, shaft-bearing (“floating”) pile in Göteborg, Sweden. The soil profile consisted of a 90 m thick, soft, postglacial, marine clay. The groundwater table was at about 1.0 m depth. The undrained shear strength was about 20 kPa at 10 m depth and increased linearly to about 80 kPa at 55m depth. The load-distribution at the peak load correlated to an average effective stress beta-coefficient of 0.19 along the pile or, alternatively, a unit shaft shear resistance of 15 kPa at 10 m depth increasing to about 65 kPa at 50 m depth, indicating an α-coefficient of about 0.80. Prior to the test, geotechnical engineers around the world were invited to predict the load-movement curve to be established in the test—22 predictions from 10 countries were received. The predictions of pile stiffness, and pile head displacement showed considerable scatter, however. Predicted peak loads ranged from 65% to 200% of the actual 1,800-kN peak-load, and 35% to 300% of the load at 22-mm movement.

Stabilization Effect of Anionic Polyacrylamide on Marine Clay Treated with Lime

2020 ◽  
Vol 20 (6) ◽  
pp. 04020050
Author(s):  
Huayang Lei ◽  
Jinfeng Lou ◽  
Xin Li ◽  
Mingjing Jiang ◽  
Cike Tu
Keyword(s):  
Marine Clay ◽  
Stabilization Effect ◽  
Anionic Polyacrylamide

Reusing leached fly ash as a cement replacement

2018 ◽  
Vol 171 (6) ◽  
pp. 286-295 ◽  
Author(s):  
Fátima Arroyo Torralvo ◽  
Constantino Fernandez-Pereira ◽  
Carlos Leiva Fernandez ◽  
Yolanda Luna Galiano ◽  
Celia García Arenas ◽  
...  
Keyword(s):  
Fly Ash ◽  
Cement Replacement

Influence of initial water content and strain rate on remolded yield stress in marine clay

2021 ◽  
pp. 1-8
Author(s):  
Xiaobing Li ◽  
Jianpeng Chen ◽  
Xiuqing Hu ◽  
Hongtao Fu ◽  
Jun Wang ◽  
...  
Keyword(s):  
Strain Rate ◽  
Water Content ◽  
Yield Stress ◽  
Initial Water Content ◽  
Marine Clay ◽  
Initial Water

Influences of initial static shear stress on the cyclic behaviour of over consolidated soft marine clay

2021 ◽  
Vol 224 ◽  
pp. 108747
Author(s):  
Jun Wang ◽  
Ming Dai ◽  
Yuanqiang Cai ◽  
Lin Guo ◽  
Yunguo Du ◽  
...  
Keyword(s):  
Shear Stress ◽  
Marine Clay ◽  
Cyclic Behaviour ◽  
Static Shear

Microstructural and mechanical properties of marine clay cemented with industrial waste residue-based binder (IWRB)

2021 ◽  
Author(s):  
Hailei Kou ◽  
Hao Jing ◽  
Chuangzhou Wu ◽  
Pengpeng Ni ◽  
Yiyi Wang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Industrial Waste ◽  
Marine Clay
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