MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Gangue water absorption
Representative coal gangue in China: Physical and chemical
2024年2月1日 However, CG itself has high water absorption and a high crushing rate, which hinders its promotion and use as an aggregate To address this, scholars have cocalcined CG 2019年12月1日 The physicmechanical properties of coal gangue brick are not only related to the composition of raw materials, but also the sintering temperature The brick using coal Comprehensive utilization and environmental risks of coal gangue: And the water absorption capacity of the gangue concrete specimens with 30% ordinary coarse aggregates replaced by coal gangue was similar to that of the traditional concrete specimens Effects of Spontaneous Combustion Coal Gangue Coarse 百度 2024年4月4日 In the present study, ganguebased concrete (GBC) was produced by replacing cement (substitution rate 0%, 10%, 20% and 30%) with mechanicalmicrowave activated coal Effect of Freezethaw Damage and Pore Structure on Capillary
Water absorptivity and frost resistance performance of self
2021年5月11日 Selfignition coal gangue (SCG) used as one of precursors to fabricate autoclaved aerated concrete (AAC) Aiming at studying water absorptivity and frost resistance 2022年9月30日 The water absorption of CGCLAC is much higher than that of ordinary concrete (the water absorption of ordinary concrete is between 2 and 3%) Both the density and Preparation of coal gangue ceramsite highstrength concrete and 2016年11月1日 The results show that the optimum mixture ratio of coal gangue, shale, and sludge is 50, 40, and 10 wt% and the corresponding indicators of aggregates obtained are: (a) Environmental effects of coal gangue and its utilization2017年12月1日 The capillary water absorption of coal gangue concrete (CGC) and ordinary concrete (OC) was studied under the action of freezethaw, and ASTM C158513 was Capillary Water Absorption Properties of Coal Gangue Concrete
Effect of Freezethaw Damage and Pore Structure on Capillary Water
with mechanicalmicrowave activated coal gangue powder (ACGP) to explore the effect of freezethaw damage on the water absorption performance of GBC ACGP improved the frost resistance of GBC, but the frost resistance declined at 30% mixing The water absorption performance of GBC was promoted by freezethaw damage Besides, the water absorption2017年12月1日 The capillary water absorption of coal gangue concrete(CGC) and ordinary concrete(OC) was studied under the action of freezethaw, and ASTM C158513 was introduced to measure the water absorption Capillary Water Absorption Properties of Coal Gangue Concrete 2021年5月11日 The effect of waterbinder ratio(w/b), CG content, fly ash(FA) content, and foam content on the compressive strength, dry density, water absorption, and porosity of coal gangue foam concrete was (PDF) Water absorptivity and frost resistance performance of 2020年1月20日 In order to probe the effects of freezethaw damage and polypropylene (PP) fibres on the capillary water absorption of coal gangue ceramsite concrete (CGCC), the freezethaw cycle test and Study on capillary water absorption properties of polypropylene fiber
Discussion on the water absorption depth of ganguebased
Download Citation On Sep 1, 2023, Haoyue Ji and others published Discussion on the water absorption depth of ganguebased concrete and its relationship with the damage layer thickness Find 2021年5月3日 In order to compare the influence of coal gangue ceramsite on the capillary water absorption performance of concrete, the cumulative water absorption corresponding to the time t of 0, 360, and 10080 min is taken as examples for comparative analysis The cumulative water absorption of the specimens is shown in Figure 5Effect of Capillary Water Absorption on Electrical Resistivity of 2021年8月1日 Water absorption of coal gangue aggregate concretes Moreover, there were also differences in water absorption between RCGA 750 concrete and YCGA 750 concrete The water absorption coefficient of YCGA 750 concrete was only 100 × 10 −4 g/(cm 2 s 1/2), Valorization of calcined coal gangue as coarse ScienceDirect2021年8月1日 For instance, Zhu et al (2021) found that water absorption of coal gangue increased from 30 % to 38 % and to 69 % after calcination at 450°C and 750°C, respectivelyValorization of calcined coal gangue as coarse aggregate in concrete
Effect of Capillary Water Absorption on Electrical Resistivity of
2021年5月3日 The ability of the capillary water absorption of concrete was enhanced with the addition of coal gangue ceramsite, compared to the traditional aggregates concrete, the initial sorptivity, and absorption is susceptible to freezethaw cycles In this paper, the cumulative water absorption and sorptivity were obtained to study the effects of 0, 05, 10, and 15 % steel fiber volume fraction added on the water absorption of CGC Sorptivity and freezethaw tests were conducted, and the capillary water absorption was evaluated by the Capillary Water Absorption Properties of Steel Fiber Reinforced 2024年10月15日 The apparent density, bulk density, water absorption, and crushing value of normal coarse aggregate (NCA), coal gangue (CG), and coal gangue ceramsite (CGC) were tested The results were shown in Table 2 It could be seen that the apparent density and bulk density of normal coarse aggregate was the highest, followed by CG, and CGC was the lowestStudy on the performance of coal gangue ceramsite steel fiber 2021年5月11日 Selfignition coal gangue (SCG) used as one of precursors to fabricate autoclaved aerated concrete (AAC) Aiming at studying water absorptivity and frost resistance performance of SCGbased AAC (SCGAAC), threeperiod water absorption tests and freezethaw tests were carried out and the corresponding results were recorded and analyzedWater absorptivity and frost resistance performance of self
Enhancement of coal gangue performance by surface micro
2023年2月1日 The water absorption of gangue sample could be calculated by differentiating two weights As for crushing rate detection, about 3 kg of gangue sample with particle size of 10–20 mm were put into a round mold (inner diameter 150 the content of spontaneous combustion coal gangue on the water absorption of concrete The result shows that both of them have a significant effect on the water absorption of spontaneous combustion coal gangue concrete Jisheng et al [15] study the capillary water absorption performance of coal gangue concrete under freezethaw environmentStudy on capillary water absorption properties of polypropylene Download scientific diagram Coal gangue XRD diffraction pattern from publication: Study on capillary water absorption properties of polypropylene fiber coal gangue ceramsite concrete under Coal gangue XRD diffraction pattern Download Scientific Diagram2024年7月1日 The results showed that heavy metal elements of coal gangue applied into asphalt pavement is not seeped out The crushing value, water absorption and flat elongated particles content of coal gangue aggregate are generally high, but the compressive strength of base course with coal gangue aggregate is verified to meet the strength requirementCoal gangue in asphalt pavement: A review of applications and
Effect of Freezethaw Damage and Pore Structure on Capillary Water
DOI: 101007/s1220502412813 Corpus ID: ; Effect of Freezethaw Damage and Pore Structure on Capillary Water Absorption of Ganguebased Concrete @article{Guan2024EffectOF, title={Effect of Freezethaw Damage and Pore Structure on Capillary Water Absorption of Ganguebased Concrete}, author={Xiao Guan and Haoyue Ji 2018年10月1日 In order to investigate the effect of coal gangue aggregates on the durability of concrete, the water absorption of the gangue concrete specimens were conducted under sustained compressive load Investigation on water absorption capacity of gangue concrete 2024年8月23日 Due to the abundance of microcracks, voids, and a higher carbon content, coal gangue displays increased water absorption and crushing value, while also having a lower apparent density compared to natural aggregates [15], [16]These shortcomings lead to reduced durability and mechanical properties when coal gangue is employed as a concrete aggregate, Enhancing coal gangue aggregates with fly ashcement slurry 2021年9月27日 By comparison with Table 1, there was an obvious difference between the water absorption rate of coal gangue and gravel The water absorption capacity of coal gangue was 33%, while gravel was only 06% The difference in water absorption could explain the influence of coal gangue on the fluidity of fresh concreteMultitechnique investigation of concrete with coal gangue
Capillary Water Absorption Characteristics of
2020年5月7日 In order to study the capillary water absorption characteristics of recycled concrete (RAC) with different replacement rates of recycled coarse aggregate (0, 20%, 40%, and 60%) in freezethaw environment, the standard WR ¼ Mg−M 0 M 0 100% ð1Þ where M g is the mass of sample after water absorption and M 0 is the mass of sample in absolute dry status Frost resistance performance of SCGACC was tested according to GB/T 11969–2008 [17] One freezing and (%)Water absorptivity and frost resistance performance of self 2022年10月24日 Capillary water absorption performance and damage constitutive model of recycled concrete under freeze–thaw action Author Guan Xi, Pan Du, Xiong Guanghong Experimental study on freezethaw damage constitutive relationship of coal gangue concrete Science and technology and engineering, 2018,18 (27): 216222 doi:1013800/j Capillary water absorption performance and damage constitutive 2021年2月4日 To study waterborne frost heaving failure mechanism of coal gangue ceramsite concrete (CGCC) under freezethaw cycles, capillary water absorption test, nonmetallic ultrasonic testing test, low (PDF) FreezingThawing Damage Mechanism of Coal Gangue
Characteristics of Coal Gangue and Present Situation and Prospect
2024年6月4日 The dry density of the block should not exceed 800 kg/m 3, the compressive strength should not be less than 50 MPa, the water absorption should not exceed 18%, and the weathering resistance (saturation coefficient) should not be less than 078 (Heng 2022) 43 Treatment and Ecological Restoration Technology of Coal Gangue Hillthe content of spontaneous combustion coal gangue on the water absorption of concrete The result shows that both of them have a significant effect on the water absorption of spontaneous combustion coal gangue concrete Jisheng et al [15] study the capillary water absorption performance of coal gangue concrete under freezethaw environmentStudy on capillary water absorption properties of polypropylene fibre 2022年6月26日 In particular, the water absorption of gangue aggregate is higher than that of natural aggregate, which negatively affects the concrete shrinkage Figure 17a shows the concrete shrinkage performance with different water–cement ratios of coal gangue concreteUsing Chinese Coal Gangue as an Ecological Aggregate and Its2021年8月2日 After the coal gangue is broken into aggregates, its interface becomes loose and porous, thereby resulting in water absorption and storage Thus, the water required for the cement hydration in the ITZ is reduced, and the cement particles are not fully hydrated, thereby increasing the pore volumes of the capillary pores and macropores and increasing the possibility of crack Effect and mechanism of coal gangue concrete ScienceDirect
Coal gangue‐based ceramics foams by water spray granulation
2024年1月2日 Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw with mechanicalmicrowave activated coal gangue powder (ACGP) to explore the effect of freezethaw damage on the water absorption performance of GBC ACGP improved the frost resistance of GBC, but the frost resistance declined at 30% mixing The water absorption performance of GBC was promoted by freezethaw damage Besides, the water absorptionEffect of Freezethaw Damage and Pore Structure on Capillary Water 2017年12月1日 The capillary water absorption of coal gangue concrete(CGC) and ordinary concrete(OC) was studied under the action of freezethaw, and ASTM C158513 was introduced to measure the water absorption Capillary Water Absorption Properties of Coal Gangue Concrete 2021年5月11日 The effect of waterbinder ratio(w/b), CG content, fly ash(FA) content, and foam content on the compressive strength, dry density, water absorption, and porosity of coal gangue foam concrete was (PDF) Water absorptivity and frost resistance performance of
Study on capillary water absorption properties of polypropylene fiber
2020年1月20日 In order to probe the effects of freezethaw damage and polypropylene (PP) fibres on the capillary water absorption of coal gangue ceramsite concrete (CGCC), the freezethaw cycle test and Download Citation On Sep 1, 2023, Haoyue Ji and others published Discussion on the water absorption depth of ganguebased concrete and its relationship with the damage layer thickness Find Discussion on the water absorption depth of ganguebased 2021年5月3日 In order to compare the influence of coal gangue ceramsite on the capillary water absorption performance of concrete, the cumulative water absorption corresponding to the time t of 0, 360, and 10080 min is taken as examples for comparative analysis The cumulative water absorption of the specimens is shown in Figure 5Effect of Capillary Water Absorption on Electrical Resistivity of 2021年8月1日 Water absorption of coal gangue aggregate concretes Moreover, there were also differences in water absorption between RCGA 750 concrete and YCGA 750 concrete The water absorption coefficient of YCGA 750 concrete was only 100 × 10 −4 g/(cm 2 s 1/2), Valorization of calcined coal gangue as coarse ScienceDirect
Valorization of calcined coal gangue as coarse aggregate in concrete
2021年8月1日 For instance, Zhu et al (2021) found that water absorption of coal gangue increased from 30 % to 38 % and to 69 % after calcination at 450°C and 750°C, respectively2021年5月3日 The ability of the capillary water absorption of concrete was enhanced with the addition of coal gangue ceramsite, compared to the traditional aggregates concrete, the initial sorptivity, and Effect of Capillary Water Absorption on Electrical Resistivity of absorption is susceptible to freezethaw cycles In this paper, the cumulative water absorption and sorptivity were obtained to study the effects of 0, 05, 10, and 15 % steel fiber volume fraction added on the water absorption of CGC Sorptivity and freezethaw tests were conducted, and the capillary water absorption was evaluated by the Capillary Water Absorption Properties of Steel Fiber Reinforced