Miao Lv
Research Subjects
Miao Lv has a total of 4 co-authors. Here are the top co-authors by number of shared publications:
- Hao Bai
Tsinghua (Qingdao) Academy of Arts and Science innovation Research, Qingdao 266427, China
1 shared publication - Mengliang Li
Sinohydro Bureau 12 Co., Ltd., Hangzhou 310030, China
1 shared publication - Xinxin Li
School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
1 shared publication - Zhaolun Ran
School of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, China
1 shared publication
Latest Publications
- Open Access
Research on the Strengthening Mechanism of Flawed Excavated-Mass Aggregate and Concrete Properties Considering the Infiltration Path and Crystallization Process
The use of flawed excavated-mass aggregates produced from crushing and screening hydraulic engineering waste in concrete projects can reduce natural resource extraction, increase waste utilization rates, and minimize environmental pollution. However, the direct application of flawed excavated-mass aggregates is limited due to their high crushing index and water absorption rate. Therefore, this paper measures the multi-dimensional physical and mechanical properties of defective aggregates. A strengthening slurry is prepared by comprehensively modifying the crystallization strength and penetration path of sodium silicate solution using various chemical reagents. The strengthening mechanism of the slurry on flawed excavated-mass aggregates is analyzed using SEM and MIP tests. Concrete tests are designed to investigate the workability and mechanical properties of flawed excavated-mass aggregate concrete. The pore structure of the ITZ (Interfacial Transition Zone) in defective aggregate concrete is analyzed through BSE (Backscattered Electron) imaging to elucidate the strengthening mechanism of secondary crystallization reactions on the ITZ. The research findings can provide technical support for repairing aggregates with defects.
Open AccessResearch on the Strengthening Mechanism of Flawed Excavated-Mass Aggregate and Concrete Properties Considering the Infiltration Path and Crystallization Process
The use of flawed excavated-mass aggregates produced from crushing and screening hydraulic engineering waste in concrete projects can reduce natural resource extraction, increase waste utilization rates, and minimize environmental pollution. However, the direct application of flawed excavated-mass aggregates is limited due to their high crushing index and water absorption rate. Therefore, this paper measures the multi-dimensional physical and mechanical properties of defective aggregates. A strengthening slurry is prepared by comprehensively modifying the crystallization strength and penetration path of sodium silicate solution using various chemical reagents. The strengthening mechanism of the slurry on flawed excavated-mass aggregates is analyzed using SEM and MIP tests. Concrete tests are designed to investigate the workability and mechanical properties of flawed excavated-mass aggregate concrete. The pore structure of the ITZ (Interfacial Transition Zone) in defective aggregate concrete is analyzed through BSE (Backscattered Electron) imaging to elucidate the strengthening mechanism of secondary crystallization reactions on the ITZ. The research findings can provide technical support for repairing aggregates with defects.