塑性膨胀剂对海上风电超高性能灌浆料性能的影响

硅酸盐通报 ›› 2023, Vol. 42 ›› Issue (5): 1608-1614.

所属专题：水泥混凝土

塑性膨胀剂对海上风电超高性能灌浆料性能的影响

宋普涛^1,2, 王晶^1,2, 冷发光^1,2, 夏京亮^1,2, 陈茜^1,2, 张耀辰^1,2

1.中国建筑科学研究院有限公司,北京 100013;
2.建研建材有限公司,北京 100013

收稿日期:2022-12-15 修订日期:2023-02-20 出版日期:2023-05-15 发布日期:2023-06-01
作者简介:宋普涛(1985—),男,高级工程师。主要从事水泥基复合材料研究及标准化工作。E-mail:song-pu-tao@163.com
基金资助:
中国建筑科学研究院有限公司青年基金(20210122371030009)

Effect of Plastic Expansion Agent on Performance of Ultra High Performance Grouting Materials for Offshore Wind Power

SONG Putao^1,2, WANG Jing^1,2, LENG Faguang^1,2, XIA Jingliang^1,2, CHEN Xi^1,2, ZHANG Yaochen^1,2

1. China Academy of Building Research, Beijing 100013, China;
2. CABR Building Materials Co., Ltd, Beijing 100013, China

Received:2022-12-15 Revised:2023-02-20 Online:2023-05-15 Published:2023-06-01

摘要/Abstract

摘要： 分别采用偶氮化合物类塑性膨胀剂(PEA1)及亚硝基化合物类塑性膨胀剂(PEA2)配制了C125海上风电超高性能灌浆料,对比研究了塑性膨胀剂种类及掺量对C125海上风电超高性能灌浆料流动度、膨胀率、抗压强度、电通量及孔结构分布的影响规律。结果表明,随着塑性膨胀剂掺量的增加,灌浆料的流动度先增大后减小,抗压强度逐渐降低,竖向膨胀率和电通量逐渐增加。当PEA1、PEA2掺量相同时,PEA1对灌浆料的流动度、抗压强度、竖向膨胀率和电通量的影响幅度更大,掺入PEA1后灌浆料的总孔隙率、平均孔径及大孔比例增幅更明显。

关键词: 海上风电, 灌浆料, 塑性膨胀剂, 流动度, 膨胀率, 抗压强度, 孔结构, 电通量

Abstract: C125 ultra high performance grouting materials for offshore wind power were prepared by using azo compound plastic expansion agent (PEA1) and nitroso compound plastic expansion agent (PEA2), respectively. The effects of the type and content of plastic expansion agent on the fluidity, expansion rate, compressive strength, electric flux and pore structure distribution of C125 ultra high performance grouting materials for offshore wind power were studied. The results show that with the increase of plastic expansion agent content, the fluidity of grouting materials increases first and then decreases, the compressive strength decreases gradually, and the vertical expansion rate and electric flux increase gradually. Compared with PEA2, PEA1 has greater influence on the fluidity, compressive strength, vertical expansion rate and electric flux of grouting materials at the same content. The total void fraction, average pore diameter and large pore proportion of grouting materials with PEA1 increase more obviously than that of grouting materials with PEA2 at the same content.

Key words: offshore wind power, grouting material, plastic expansion agent, fluidity, expansion rate, compressive strength, pore structure, electric flux

中图分类号:

TU521.1

宋普涛, 王晶, 冷发光, 夏京亮, 陈茜, 张耀辰. 塑性膨胀剂对海上风电超高性能灌浆料性能的影响[J]. 硅酸盐通报, 2023, 42(5): 1608-1614.

SONG Putao, WANG Jing, LENG Faguang, XIA Jingliang, CHEN Xi, ZHANG Yaochen. Effect of Plastic Expansion Agent on Performance of Ultra High Performance Grouting Materials for Offshore Wind Power[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(5): 1608-1614.

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塑性膨胀剂对海上风电超高性能灌浆料性能的影响

Effect of Plastic Expansion Agent on Performance of Ultra High Performance Grouting Materials for Offshore Wind Power

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