超高性能风电灌浆料的制备与性能试验研究_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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超高性能风电灌浆料的制备与性能试验研究

Experimental study on preparation and performance of ultra-high performance wind power grouting material

2024年第10期

风电灌浆料；流动度；强度；膨胀率；微观形貌

Wind power grouting material; Fluidity; Strength; Expansivity; Microstructure

2024年第10期

10.19761/j.1000-4637.2024.10.007.06

庞伟琪1，张宁1，汤瑜1，秦广圣1，王长剑1，逄鲁峰2，白亚坤1

1.中建八局第一建设有限公司，山东济南 250100；2.山东建筑大学土木工程学院，山东济南 250101

庞伟琪1，张宁1，汤瑜1，秦广圣1，王长剑1，逄鲁峰2，白亚坤1

庞伟琪,张宁,汤瑜,等.超高性能风电灌浆料的制备与性能试验研究[J].混凝土与水泥制品,2024(10):7-11,17.

PANG W Q,ZHANG N,TANG Y,et al.Experimental study on preparation and performance of ultra-high performance wind power grouting material[J].China Concrete and Cement Products,2024(10):7-11,17.

浏览量:

1000

摘要：制备了一种超高性能风电灌浆料，通过L16（44）正交试验研究了矿粉、石膏、硅灰、微珠对灌浆料性能的影响，并通过单因素试验研究了膨胀剂和缓凝剂对灌浆料性能的影响，确定了灌浆料的最佳配合比。结果表明：灌浆料的最佳配合比为水泥50%、矿粉2%、石膏3%、硅灰3%、微珠2%；粒径为0.125~0.212、0.212~0.425、0.425~0.850 mm石英砂占比分别为17%、11%、12%，减水剂掺量0.35%，消泡剂掺量0.03%，塑性膨胀剂掺量0.02%，SG掺量0.01%；工程应用表明，灌浆料的各项性能测试结果均满足施工要求，现场施工流动性良好，28 d抗折、抗压强度分别可达22.5 MPa、129.50 MPa，3 h膨胀率、3 h与24 h膨胀率之差分别为0.51%、0.20%。 Abstract: A ultra-high performance wind power grouting material was prepared, and the effects of mineral powder, gypsum, silica fume, and microbeads on the performance of the grouting material were studied through L16(44) orthogonal experiments. The effects of expansion agent and retarder on the performance of the grouting material were studied through single factor experiments, and the optimal mix proportion of the grouting material was determined. The results indicate that the optimal mix proportion for grouting material is 50% content of cement, 2% content of mineral powder, 3% content of gypsum, 3% content of silica fume, and 2% content of microbeads. The proportions of 0.125~0.212 mm, 0.212~0.425 mm, and 0.425~0.850 mm quartz sand are 17%, 11%, and 12%, respectively, water reducing agent content is 0.35%, defoamer content is 0.03%, plastic expansion agent content is 0.02%, and SG content is 0.01%. Engineering applications show that the performance test results of grouting materials meet the construction requirements, and the on-site construction fluidity is good. The 28 d flexural and compressive strength can reach 22.5 MPa and 129.50 MPa, respectively. The 3 h expansion rate and the difference between the 3 h and 24 h expansion rates are 0.51% and 0.20%, respectively.

英文名 : Experimental study on preparation and performance of ultra-high performance wind power grouting material

刊期 : 2024年第10期

关键词 : 风电灌浆料；流动度；强度；膨胀率；微观形貌

Key words : Wind power grouting material; Fluidity; Strength; Expansivity; Microstructure

刊期 : 2024年第10期

DOI : 10.19761/j.1000-4637.2024.10.007.06

文章编号 :

基金项目 :

作者 : 庞伟琪1，张宁1，汤瑜1，秦广圣1，王长剑1，逄鲁峰2，白亚坤1

单位 : 1.中建八局第一建设有限公司，山东济南 250100；2.山东建筑大学土木工程学院，山东济南 250101

庞伟琪1，张宁1，汤瑜1，秦广圣1，王长剑1，逄鲁峰2，白亚坤1

庞伟琪,张宁,汤瑜,等.超高性能风电灌浆料的制备与性能试验研究[J].混凝土与水泥制品,2024(10):7-11,17.

PANG W Q,ZHANG N,TANG Y,et al.Experimental study on preparation and performance of ultra-high performance wind power grouting material[J].China Concrete and Cement Products,2024(10):7-11,17.

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摘要

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结论

参考文献

引用本文

Abstract: A ultra-high performance wind power grouting material was prepared, and the effects of mineral powder, gypsum, silica fume, and microbeads on the performance of the grouting material were studied through L16(44) orthogonal experiments. The effects of expansion agent and retarder on the performance of the grouting material were studied through single factor experiments, and the optimal mix proportion of the grouting material was determined. The results indicate that the optimal mix proportion for grouting material is 50% content of cement, 2% content of mineral powder, 3% content of gypsum, 3% content of silica fume, and 2% content of microbeads. The proportions of 0.125~0.212 mm, 0.212~0.425 mm, and 0.425~0.850 mm quartz sand are 17%, 11%, and 12%, respectively, water reducing agent content is 0.35%, defoamer content is 0.03%, plastic expansion agent content is 0.02%, and SG content is 0.01%. Engineering applications show that the performance test results of grouting materials meet the construction requirements, and the on-site construction fluidity is good. The 28 d flexural and compressive strength can reach 22.5 MPa and 129.50 MPa, respectively. The 3 h expansion rate and the difference between the 3 h and 24 h expansion rates are 0.51% and 0.20%, respectively.

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钢纤维对海上风电灌浆料及灌浆连接段模型性能的影响研究

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海上风电塔筒用超高性能灌浆料的制备及性能研究

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超高性能风电灌浆料的制备与性能试验研究

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