To enhance the construction efficiency, quality, and environmental performance of RDP modified mortar, the following optimization strategies can be implemented:

1.Material Optimization and Proportion Adjustment

•Incorporation of Functional Additives: Adding cellulose ether, polycarboxylate ether high-performance water reducers, and other modifiers to RDP modified mortar can significantly improve its water retention, bonding strength, and workability. Cellulose ether slows down cement hydration, increasing adhesion and crack resistance. Meanwhile, poly carboxylate ether water reducers enhance flowability and reduce water content, boosting strength.
•Selection of High-Performance Aggregates: Using lightweight aggregates (e.g., lightweight expanded clay, desert sand) or ultra-fine mineral admixtures (e.g., silica fume) can improve mortar density and shrinkage control, minimizing cracking risks.
•Control of Additive Dosage: In high-strength mortar, the dosage of cellulose ether must be strictly controlled. Overuse can lead to a significant drop in mechanical strength. Therefore, experimental testing is required to determine the optimal dosage, balancing workability and mechanical performance.

2.Construction Method Innovation

•Mechanical Spraying Technology: Utilizing mechanical spraying equipment can increase construction efficiency and reduce human error. It is particularly suitable for large-scale projects, such as exterior walls or floors, meeting the technical requirements of lightweight plastering mortar and mechanical spray mortar.
•Layered Application Technique: For wall or floor construction, applying mortar in layers can enhance its density and crack resistance. For example, in lightweight plastering mortar projects, layered application ensures proper bonding between each coat, preventing hollow drumming and cracking.
•Introduction of Automated Tools: Incorporating automated tools like automatic plastering machines and laser levels can improve construction precision and efficiency while reducing labor intensity.

3.Quality Monitoring and Control

•Real-Time Monitoring and Quality Testing: Establish a quality testing system to monitor key indicators such as mortar consistency, bonding strength, and shrinkage during construction. This ensures that the final product meets design specifications.
•Sample Pre-Construction: Before large-scale construction, create sample sections for testing and evaluation. This helps identify the best construction methods and ensures consistent quality.

4. Efficiency Improvement

•Standardized Construction Procedures: Develop standardized workflows to minimize downtime. For instance, on bridge decks, optimizing surface preparation and mortar application sequences can shorten project timelines and enhance productivity.
•Reduced Curing Time: By modifying the mortar mix, early strength can be improved, reducing the required curing time and accelerating construction progress.

5.Environmental Protection and Sustainability

•Use of Eco-Friendly Materials: Opt for environmentally friendly modified mortar, such as styrene-butadiene rubber latex modified cement mortar, to minimize ecological impact during construction.
•Waste Management: Streamline the construction process to reduce material waste and construction debris, promoting resource efficiency and sustainability.

6.Comprehensive Optimization Strategy

•Refinement of Material Formulation: Conduct experiments to determine the optimal material proportions, ensuring the mortar achieves desired properties such as compressive strength, water resistance, and durability.
•Adoption of Advanced Construction Techniques: Combine mechanical spraying and layered application methods to develop a scientific and efficient construction plan.
•Strengthened Quality Control: Implement real-time monitoring and sample testing to ensure that quality control measures are effectively carried out throughout the construction process.
By implementing these optimization strategies, the construction efficiency, quality, and environmental performance of RDP modified mortar can be significantly improved, providing reliable support for construction projects.