mortar compressive mining:

Investigation of micro-structure and compression behavior

The uniaxial compressive strength of the cement mortar with 20.0% artificial geopolymer sand content reaches 39.9 MPa, which increases by 28.0% than cement mortar with

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Minerals | Free Full-Text | A Model Linking Compressive

Mortar prisms for compressive strength testing are produced with a mixture of 450 g cement, 225 g water and 1350 g sand according to the EN 196-1:2016 standard . Variations in

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Engineering Properties of Cement Mortar Produced with

2020year11month28day · All mine tailing mortar specimens performed exceptional engineering properties, which were greatly affected by w/b ratio. The greatest compressive strength

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Prediction of cement-based mortars compressive strength

2021year4month23day · Specifically, there is a noticeable increase in the mortar’s compressive strength (CS) ... Gordon SL (1997) Data mining technique for marketing, sales and

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Study of the Compressive Strength of Mortars as a

In the present work, the statistical dispersion of the mortar compressive strength as a function of the geometric parameters of the specimens as well as the effect of the mortar

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Materials | Free Full-Text | Prediction of Mortar

2023year3month17day · Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original

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Potential of Palm Oil Fuel Ash as a Partial Replacement of

The aim of this research is to study the effects of POFA on the workability of fresh mortar, and for the hardened mortar, compressive strength and microstructural analysis will be

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(PDF) Reuse Potentials of Copper Mine Tailings in Mortar

2020year2month27day · Abstract. The disposal of copper mine tailings (CMT) in finite containment facilities near mine sites is a serious human safety and environmental management

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Compressive Strength of Mortar -Mix Ratio and Cube Test

Procedure for Compressive Strength of Mortar. Take 200gm of cement and 600gm of standard sand in the mix ratio 1:3 by weight) in a pan. The standard sand shall be of

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Minerals | Free Full-Text | A Model Linking Compressive

Mortar prisms for compressive strength testing are produced with a mixture of 450 g cement, 225 g water and 1350 g sand according to the EN 196-1:2016 standard . Variations in the quantity of cement (CEM), sand (S) and water (W) are attained with the addition of metakaolin (MK) and GCC (L). The concentrations of the different components are ...

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Optimisation and environmental impact analysis of green

2023year3month29day · The compressive strength of the mortar paving block containing 100% RWG was twice of that reported by Lu et al. for wet mix mortar cubes (20 MPa). This may attributed to the lower water/binder ratio of the dry mix mortar paving block in this study. ... Environmental and Mining Engineering, Faculty of Engineering, Computing and

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Study of the Compressive Strength of Mortars as a

In the present work, the statistical dispersion of the mortar compressive strength as a function of the geometric parameters of the specimens as well as the effect of the mortar workability difference on the compressive strength was investigated. For this purpose, specimens were prepared for six types of mortars: two conventional mortars in the

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Experimental study on dynamic mechanical properties of

Increasing the mortar strength grade improved the dynamic compressive strength and the elastic energy storage of the samples, resulting in larger bearing capacity and less damage. With increasing impact velocity, the degree of fragmentation of the composite specimens increased, the average fragmentation blocks decreased, and the mortar ...

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Engineering Properties of Cement Mortar Produced with

2020year11month28day · All mine tailing mortar specimens performed exceptional engineering properties, which were greatly affected by w/b ratio. The greatest compressive strength obtained in this study were 70.4 MPa in the mortar with w/b of 0.3. Increasing the w/b ratio had a negative impact on strength, UPV and thermal conductivity of mortar specimens.

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Research on Modified High-Performance Cement Mortar

2022year9month23day · The compressive strength grade of the designed mortar is M25, and the cement mortar is modified by adding polymer dispersible polymer powder. According to the theoretical dosage of 1m 3 mortar material, the water consumption is 224 kg/m 3, the early strength water reducing agent is 1.65 kg/m 3, and the defoamer is 0.33 kg/m 3, and the

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Activity of calcined coal gangue fine aggregate and its

2015year12month15day · The fineness modulus of 1.9, 2.7, and 3.4 calcined coal gangue fine aggregate mortar age with compressive and flexural strengths is shown in Fig. 5. Download : Download high-res image (207KB) Download : Download full-size image; Fig. 5. Each curing age compressive strength and flexural strength of different fineness modulus of fine

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Potential of Palm Oil Fuel Ash as a Partial Replacement of

The aim of this research is to study the effects of POFA on the workability of fresh mortar, and for the hardened mortar, compressive strength and microstructural analysis will be analysed. A total of 45 cubes with dimensions of 100 mm × 100 mm × 100 mm were cast at different percentages of POFA at 0%, 2.5%, 5%, 7.5%, and 10% by the weight of ...

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Compressive Strength of Concrete Containing Roof Tile

Roof tile waste is one of the wastes which usually generated during construction and demolition activity. It is then disposed at landfill and causes environmental pollution. Rising concrete production pushes for larger quantity of sand to be harvested from river. Excessive sand mining harms the environment and affect the water quality. The approach of using

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相同关键词【compressive strength】论文列表 -- 中国光学期

通过吸水率、软化系数、抗折强度和抗压强度试验, 并结合傅里叶红外光谱和扫描电子显微镜测试, 探究不同长度和掺量的苎麻纤维对苎麻纤维增强磷建筑石膏复合材料耐水性能和力学性能的影响。研究结果表明, 掺入适量苎麻纤维可改善苎麻纤维增强磷建筑石膏复合材料的耐水性能和力学性能, 以及 ...

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Minerals | Free Full-Text | A Model Linking Compressive

Mortar prisms for compressive strength testing are produced with a mixture of 450 g cement, 225 g water and 1350 g sand according to the EN 196-1:2016 standard . Variations in the quantity of cement (CEM), sand (S) and water (W) are attained with the addition of metakaolin (MK) and GCC (L). The concentrations of the different components are ...

Read More

Optimisation and environmental impact analysis of green

2023year3month29day · The compressive strength of the mortar paving block containing 100% RWG was twice of that reported by Lu et al. for wet mix mortar cubes (20 MPa). This may attributed to the lower water/binder ratio of the dry mix mortar paving block in this study. ... Environmental and Mining Engineering, Faculty of Engineering, Computing and

Read More

Experimental study on dynamic mechanical properties of

Increasing the mortar strength grade improved the dynamic compressive strength and the elastic energy storage of the samples, resulting in larger bearing capacity and less damage. With increasing impact velocity, the degree of fragmentation of the composite specimens increased, the average fragmentation blocks decreased, and the mortar ...

Read More

Engineering Properties of Cement Mortar Produced with

2020year11month28day · All mine tailing mortar specimens performed exceptional engineering properties, which were greatly affected by w/b ratio. The greatest compressive strength obtained in this study were 70.4 MPa in the mortar with w/b of 0.3. Increasing the w/b ratio had a negative impact on strength, UPV and thermal conductivity of mortar specimens.

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Assembled design and compressive performance

2022year8month29day · With the increase of mining depth, the deep mine waterproof wall project faces the test of worse construction environment and higher risk of water damage. With the development of intelligent construction technology, it is necessary to introduce concrete 3D printing technology for the construction of coal mine waterproof walls, so as to adapt to

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A comparative assessment of tree-based predictive

Moon GD Oh S Choi YC Effects of the physicochemical properties of fly ash on the compressive strength of high-volume fly ash mortar Constr Build Mater 2016 124 1072 1080 10.1016/j.conbuildmat.2016.08.148 Google Scholar; 85.

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Consideration of fracture growth from an inclined slit and

2004year8month31day · TL;DR: In this article, the direction of fracture growth from an inclined slit and an inclined initial fracture at the surfaces of rock and mortar was investigated and a number of theories, such as Sih's maximum tensile stress theory and the maximum energy release rate theory, were proposed to predict fracture growth. Abstract: There have been

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IOP Conference Series: Materials Science and

an alternative to existing river sand and to prevent sand mining In this novel paper detailed ... the main parameters that are the viscosity of the paste along with mortar determines how well the ... Tensile strength increases with age, similar to compressive strength. [7] 2.14 70.02 8.34 11.16 6.99 1.21 0.27 1.31 0.69 2.24 Waste Foundry sand ...

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International Labour Organization

2014year6month10day · International Labour Organization

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相同关键词【compressive strength】论文列表 -- 中国光学期

通过吸水率、软化系数、抗折强度和抗压强度试验, 并结合傅里叶红外光谱和扫描电子显微镜测试, 探究不同长度和掺量的苎麻纤维对苎麻纤维增强磷建筑石膏复合材料耐水性能和力学性能的影响。研究结果表明, 掺入适量苎麻纤维可改善苎麻纤维增强磷建筑石膏复合材料的耐水性能和力学性能, 以及 ...

Read More