基于灌浆技术的水利工程用聚合物灌浆材料抗渗特性试验研究

Experimental study on the impermeability of polymer grouting materials for water conservancy engineering construction

研究聚氨酯泡沫其非水反应聚合物灌浆材料的抗渗特性,并分析其作为综合性能材料在水利工程中的应用。采用抗渗等级法,测试了聚合物灌浆材料在不同初始压力和不同密度下的抗渗性能。分析了聚合物灌浆技术的环境影响、聚合物材料的渗透性以及聚合物防渗墙的主要技术特征。试验结果表明,聚合物材料的密度为0.1~0.3 g/cm^(3),初始渗透压力为0.3~0.7 MPa,能够承受30~70 m的水头压力,适用于水利工程中的渗透灌浆。此外,聚合物灌浆技术表现出良好的防渗性能和耐久性。聚合物灌浆技术适用于水利工程的防渗工程,通过控制灌浆量和调节材料密度,可以满足不同工程的抗渗要求。该技术具有良好的防渗性能和耐久性,有助于提升水利工程的安全性和稳定性。然而,为了充分发挥该技术的优势,还需要根据具体工程需求进行进一步的研究和优化。

To investigate the impermeability of a non-aqueous reactive polymer grouting polyurethane foam,and to analyze its application as a comprehensive performance material in water conservancy projects.The impermeability performance of the polymer grouting material was tested under various initial pressures and densities using the impermeability grade method.The environmental impact of polymer grouting technology,the permeability of polymer material and the main technical characteristics of polymer anti-seepage wall were analyzed.The experimental results showed that it could withstand the water head pressure of 30~70 m,which was suitable for permeation grouting in water conservancy engineering when the density of the polymer material was 0.1 g/cm^(3) to 0.3 g/cm^(3),with an initial permeation pressure between 0.3 MPa and 0.7 MPa.In addition,the polymer grouting technology exhibited favorable impermeability properties and durability.Polymer grouting technology was suitable for impermeability engineering in water conservancy projects.By controlling the grouting volume and adjusting the material density,it could meet the impermeability requirements of various projects.This technology had good impermeability performance and durability,enhancing the safety and stability of water conservancy projects.However,to fully capitalize on the advantages of this technology,further research and optimization were required based on specific project requirements.