CAJ | 학술논문

介绍了输电线路工程大跨越基础后注浆设计计算的研究情况，以某大跨越工程的后注浆基础设计为对象，用优化手段达到降低造价，解决受地震液化、高桩悬臂等因素控制的难题。结果表明：后注浆技术应用到大跨越基础设计上，可节省基础材料量20％以上，经济效益巨大，并且在可靠性、抗腐蚀性、消除沉降附加应力等方面具有良好的效果，是未来大跨越桩基础设计的发展方向。
개소료수전선로공정대과월기출후주장설계계산적연구정황，이모대과월공정적후주장기출설계위대상，용우화수단체도강저조개，해결수지진액화、고장현비등인소공제적난제。결과표명：후주장기술응용도대과월기출설계상，가절성기출재료량20％이상，경제효익거대，병차재가고성、항부식성、소제침강부가응력등방면구유량호적효과，시미래대과월장기출설계적발전방향。
The research background of the design and development of post grouting piles in large span transmission engi-neering projects was introduced .According to the case study of a particular project with large span foundation ,optimiza-tion method was adopted to reduce cost , solve the problems caused by earthquake-induced liquefaction and high can-tilevers .The results indicate that by adopting post grouting piles ,20% cost of basic materials can be saved ,meanwhile post grouting piles excel in durability and anti-corrosion ,they can also eliminate the additional stress of the foundation settlement .These piles have a great prospect in the design of large span foundations .