Experimental study on mechanical behaviors of polyoxymethylene woven tube-reinforced cementitious composites
Source abstract
Abstract
This paper aimed to investigate the mechanical performances of woven tube-reinforced cementitious composites. Polyoxymethylene fibers were used to form woven tubes. The integrated woven tube and splicing woven tube-reinforced cementitious composites were prepared with different textile structures. The compressive and bending properties of woven tube-reinforced cementitious composites were experimentally characterized through compression and bending tests, and the testing processes were recorded by camera. The results showed that both the integrated woven tube and the splicing woven tube could apparently enhance the compressive and bending properties. The compressive and bending strengths of the integrated woven tube-reinforced cementitious composite could reach 44 and 21 MPa, respectively. Due to low splicing strength, the splicing woven tube-reinforced cementitious composite was likely to split, which led to the disassembly. The integrated woven tube-reinforced cementitious composite had higher compressive and bending strengths than the splicing woven tube-reinforced cementitious composite. Moreover, the integrated woven tube-reinforced cementitious composite exhibited better energy absorption ability and integrity after testing than the splicing woven tube-reinforced cementitious composite. The energy absorption of the integrated woven tube-reinforced cementitious composite could reach over 7 MJ/m 3 during compression. Under compression, the splicing woven tube-reinforced cementitious composite and pure cement only had one compressive peak stress, which was caused by the damage to the cement, whereas the integrated woven tube-reinforced cementitious composite had two compressive peak stresses: the second compressive peak stress was caused by fiber breakage. In general, the integrated woven tube is more suitable for reinforcing cement than the splicing woven tube.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Innovative concrete reinforcement materials · Structural Behavior of Reinforced Concrete · Microbial Applications in Construction Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Textile Science and Engineering & International Institute of Silk, Zhejiang Sci-Tech University, China
National and Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Protection, School of Textile and Clothing, Nantong University, China
State Key Laboratory of High Performance Civil Engineering Materials, , Jiangsu Sobute New Materials Co., Ltd, China
Funding
Jiangsu University “Qinglan Project” · Major Program of Basic Science (Natural Science) of Higher Education of Jiangsu Province · Nantong Basic Research Program · National Natural Science Foundation of China · Advanced Textile Engineering Technology Center of Jiangsu Province
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