Fracture parameters and influencing factors of cement asphalt mortar

Li, Yunliang; Tian, Chengyu; Fu, Yubo; Tan, Yiqiu

doi:10.1016/j.conbuildmat.2022.127876

Cited by 3 publications

(2 citation statements)

References 42 publications

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“…In addition, there were measures to improve the quality by reasonably using auxiliary tools [32]. Qing Wei, Xiaojuan Li et al, and Chuanyong Li et al [2,33,34] proposed that the factors influencing the quality of fabricated construction are process, materials, machinery, equipment, acceptance of the work situation, quality protection of components, prefabricated building construction plan and personnel, and the need to improve the construction, control the quality of materials, and strengthen management efforts to enhance the quality of fabricated construction. The above influencing factors are summarized in Appendix A, Table A1.…”

Section: Factors Influencing the Quality Of Fabricated Buildingsmentioning

confidence: 99%

“…During prefabricated building construction, diverse factors significantly impact quality-encompassing design, materials, hoisting, and management. Poor oversight at each stage risks accidents, yielding substantial economic losses [2]. Major development challenges encompass the following: limited project planning experience leading to inadequate feasibility studies; design coordination issues due to designers' insufficient grasp of advanced technology meeting production needs; scarcities in advanced manufacturing and transportation techniques and protective measures for finished products; contractors applying conventional concrete-focused quality practices instead of tailored ones; a lack of construction personnel responsibility; and unclear quality management goals among managers [3].…”

Section: Introductionmentioning

confidence: 99%

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Construction Quality of Prefabricated Buildings Using Structural Equation Modeling

Chai,

Liang,

Liu

2023

Applied Sciences

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Prefabricated construction has emerged as an inevitable trend in the development of the construction industry due to its numerous advantages, such as safety, energy saving, environmental protection, and sustainability. However, a series of operations and processes, such as prefabricated components, transportation of finished products, and on-site lifting required for fabricated buildings, can affect the quality of prefabricated buildings, especially during the construction process. This study aims to establish a systematic approach to analyzing the factors that influence the construction quality of prefabricated buildings and their interrelationships. A questionnaire was issued based on a literature review, and a model of the factors that influence the construction quality of fabricated buildings was established using structural equation modeling. Results showed that construction organization and management have a significant impact on building quality, prefabricated components, and the construction process. Moreover, they exerted the greatest influence on building quality, unlike the traditional belief that the construction process primarily affects building quality, and identified core factors influencing the quality of prefabricated construction.

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Section: Factors Influencing the Quality Of Fabricated Buildingsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Construction Quality of Prefabricated Buildings Using Structural Equation Modeling

Chai,

Liang,

Liu

2023

Applied Sciences

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Hydration, Hardening Properties, and Microstructure of Magnesium Phosphate Cement–Emulsified Asphalt Composites across Various Stoichiometries

Zhang,

Pei,

Zhou

et al. 2024

J. Mater. Civ. Eng.

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Development of Sustainable Cement Asphalt Mortar Using Agricultural Waste-Derived Bio-Oil and Latex–Acrylic Polymers for Enhanced Durability

Kim,

2024

Polymers

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Cement Asphalt Mortar (CAM) is widely applied in infrastructure, particularly in railways, bridge expansion joints, and pavements, due to its combination of cement’s load-bearing capacity and asphalt’s flexibility. Conventional CAM formulations, however, often encounter challenges such as extended setting times, high shrinkage, and limited durability under extreme environmental conditions. This study addresses these limitations by integrating bio-oil and polymer additives to enhance both the sustainability and performance of CAM mixtures. CAM mixtures were evaluated with cement-to-asphalt emulsion (C/AE) mass ratios of 75:25 and 50:50, incorporating bio-oil contents of 2% and 4% by mass and latex–acrylic polymer proportions ranging from 1% to 2% by mass. The optimized mix design, with a 75:25 cement-to-asphalt emulsion (C/AE) mass ratio, 2% bio-oil, and 1.5% polymer, improved flowability by 25%. This formulation achieved a flow diameter of approximately 205 mm and reduced the flow time to 72 s. Compressive strength tests indicated that this formulation reached an early-stage strength of 10.45 MPa (a 20.8% improvement over the control) and a 28-day strength of 24.18 MPa. Thermal stability tests at 45 °C demonstrated that the optimized CAM retained 86.6% of its compressive strength, compared to a 25% reduction in unmodified mixtures. Chemical resistance assessments in 5% sulfuric acid and 5% sodium hydroxide solutions showed strength retention of 95.03% and 91.98%, respectively, outperforming control mixtures by 17% and 13%. SEM examination revealed a dense, cohesive microstructure, reducing shrinkage to 0.01% from 0.15% in the control. These findings underscore the potential of bio-oil and latex–acrylic polymers to improve the performance and sustainability of CAM mixtures, making them well suited for resilient, rapid-setting infrastructure applications.

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Fracture parameters and influencing factors of cement asphalt mortar

Cited by 3 publications

References 42 publications

Construction Quality of Prefabricated Buildings Using Structural Equation Modeling

Construction Quality of Prefabricated Buildings Using Structural Equation Modeling

Hydration, Hardening Properties, and Microstructure of Magnesium Phosphate Cement–Emulsified Asphalt Composites across Various Stoichiometries

Development of Sustainable Cement Asphalt Mortar Using Agricultural Waste-Derived Bio-Oil and Latex–Acrylic Polymers for Enhanced Durability

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