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2023 Vol. 0, No. 08
Published: 2023-07-31
1
Study on mechanical properties of short fiber reinforced cement-based cementitious materials
XUE Yuantao, et al.
In order to improve the properties of Portland cement used for cementing oil and gas wells, the temperature
resistance and durability of two kinds of fibers in enhancing the mechanical properties of Portland cement were discussed
by testing the engineering properties of cement slurry, mechanical properties and permeability of cement, and analyzing
the microstructure and hydration products by SEM and XRD. The results showed that 1.0% fiber had the best effect on
improving the engineering properties of cement slurry, the basalt fiber had poor temperature resistance and durability at
90 °C, and was completely corroded in cement matrix, which promoted the formation of hydration products and microcracks
of cement and the strength of cement was enhanced at the same time. After 28 days, the compressive strength of
the cement stone increased by 16.71% compared with the blank sample. At the same age, compared with that of the blank
sample, the compressive strength of alkali resistant glass fiber cement decreased by 9.88%, the flexural strength and tensile
strength increased by 33.43% and 23.17% respectively, and the elastic modulus decreased by 32.38%. The results showed
that although alkali resistant glass fiber inhibited the development of strength to a certain extent, it can stably exist in the
cement matrix and limit the generation and expansion of micro-cracks, which consumed a lot of energy in the pulling out
process, thus improving the toughness of the cement.
2023 Vol. 0 (08): 1- [
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7
Discussion on calcination technology of high belite low heat Portland cement clinker
Hot!
LI Haihong, et al
As an advanced inorganic non-metallic material, high belite low-heat Portland cement has been widely used
in large national key hydropower projects such as Baihetan and Wudongde. YB Group is a manufacturer and supplier of
high belite low-heat Portland cement, and the cement produced by YB Group is used in Dongzhuang Reservoir in Shaanxi
Province and Fengdongzi shipping hub project in Sichuan Province. Through the production of high Belite low-heat
cement clinker, the sintering characteristics were studied, the calcination technology was verified, and the experience was
summarized, at last the calcination effect was tested and evaluated.
2023 Vol. 0 (08): 7- [
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162
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13
Practice of transforming Φ4.0 m × 60 m rotary kiln system to increase production#br# and reduce consumption#br#
LI Liang, et al.
2023 Vol. 0 (08): 13- [
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139
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17
Analysis of factors affecting setting time of cement
WANG Yan, et al.
2023 Vol. 0 (08): 17- [
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130
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19
Development and application of integrated adjustable energy-saving grinding#br# technology #br#
Hot!
WANG Qing
2023 Vol. 0 (08): 19- [
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159
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23
Thermal analysis and technical improvement measures of pulverizing mill using waste#br# heat of grate cooler as heat source#br#
ZHAO Wukui
2023 Vol. 0 (08): 23- [
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101
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26
Application of Revit parameterized model to calculate effective reserves of clinker#br# silo#br#
Hot!
PENG Yansong, et al.
2023 Vol. 0 (08): 26- [
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105
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29
Analysis and treatment of belt bucket elevator abnormal deviation
LI Wenming
2023 Vol. 0 (08): 29- [
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89
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33
Optimization of bottom fan of raw material homogenization silo
CAI Guohui, et al.
2023 Vol. 0 (08): 33- [
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103
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35
Problems and improvement of lubricating oil supply system of grate cooler driving#br# device#br#
CAO Zhenhua, et al
2023 Vol. 0 (08): 35- [
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91
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37
Problems and improvement of lubricating oil supply system of grate cooler driving#br# device#br#
CAO Zhenhua
2023 Vol. 0 (08): 37- [
Abstract
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101
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39
Development and application of hydraulic cylinder comprehensive test bed
FENG Yumei, et al.
2023 Vol. 0 (08): 39- [
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77
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41
Renovation of audio cleaning system of PH waste heat boiler
GUO Yongqiang, et al.
2023 Vol. 0 (08): 41- [
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126
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43
Reform of vacuum system of waste heat power station in cement plant
ZHENG Peng, et al.
2023 Vol. 0 (08): 43- [
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91
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45
Technical improvement of energy saving and consumption reduction in cement waste#br# heat power generation system#br#
GAO Xinhu, et al.
2023 Vol. 0 (08): 45- [
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129
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47
A monitoring device for rapidly locating filter bag damage of bag dust collector
XIE Shuai, et al.
2023 Vol. 0 (08): 47- [
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97
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49
Application of hazardous waste alternative fuel on cement clinker properties, heavy#br# metal content, coal saving and carbon reduction#br#
LIU Wenhuan, et al.
2023 Vol. 0 (08): 49- [
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124
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54
Experimental study and application of cooperative disposal of municipal sludge by#br# cement kiln#br#
QUAN Denghui, et al.
2023 Vol. 0 (08): 54- [
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115
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58
MLD method used by quality inspection institutions to detect chemical composition in#br# cement and related samples#br#
ZHU Shu, et al.
2023 Vol. 0 (08): 58- [
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68
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62
Looking forward to application of ChatGPT in cement industry
Hot!
FU Hua
2023 Vol. 0 (08): 62- [
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136
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65
Application of fully connected neural network based on Nadam optimizer to prediction#br# of cement compressive strength at 3 d and 28 d#br#
ZHANG Hongtu
2023 Vol. 0 (08): 65- [
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108
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65
Application of permanent magnet motor in transformation of aggregate sand making#br# machine#br#
LIU Xinchao, et al.
2023 Vol. 0 (08): 65- [
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116
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71
Experience summary of UPS power supply selection and maintenance for DCS system
#br#
in cement plant
Xia Wei
2023 Vol. 0 (08): 71- [
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87
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73
Automatic control upgrade of limestone reclaimer
LIU Huawu, et al.
2023 Vol. 0 (08): 73- [
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102
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75
Crushing and screening modification of limestone breaking line
Qi Xingyu, et al.
2023 Vol. 0 (08): 75- [
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103
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77
Transformation of two raw material vertical mills sharing one slag hopper lifting#br# machine#br#
BI Dacang
2023 Vol. 0 (08): 77- [
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95
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78
Two-drive hoist different models of reducer collocation examples
HAO Yongchun, et al.
2023 Vol. 0 (08): 78- [
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89
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79
Modification of bearing seal under O-Sepa separator
LIANG Xiaohong
2023 Vol. 0 (08): 79- [
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97
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Copyright © Editorial Board of Journal of Cement
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