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A platform for research: civil engineering, architecture and urbanism
Low-shrinkage early-strength sleeve grouting material as well as preparation method and application thereof
The invention belongs to the technical field of cement-based grouting materials, and particularly discloses a low-shrinkage early-strength sleeve grouting material and a preparation method and application thereof. The low-shrinkage early-strength sleeve grouting material specifically comprises the following components: 388-514 parts of Portland cement, 63-189 parts of sulphoaluminate cement, 10-93 parts of gypsum, 105-315 parts of superfine fly ash, 105-315 parts of marble powder, 800-950 parts of machine-made sand, 210-263 parts of water, 32-42 parts of a water reducing agent and 1-3 parts of a defoaming agent, wherein the 1-d breaking strength, 3-d breaking strength and 28-d breaking strength of the grouting material can respectively reach 13 MPa, 21 MPa and 27 MPa, compressive strength can reach 60 MPa, 75 MPa and 115 MPa respectively, the compressive strength in 3 days can reach 70% of the compressive strength in 28 days, and the self-shrinkage strain and the drying shrinkage strain of the material are 351*10<-6> and 239*10<-6> respectively.
本发明属于水泥基灌浆材料技术领域，具体公开一种低收缩早强型套筒灌浆料及其制备方法和应用。本发明公开了一种低收缩早强型套筒灌浆料，具体组成为：硅酸盐水泥388～514份、硫铝酸盐水泥63～189份、石膏10～93份、超细粉煤灰105～315份、大理石粉105～315份、机制砂800～950份、水210～263份、减水剂32～42份、消泡剂1～3份，其1、3、28d抗折强度分别可达13、21、27MPa；抗压强度分别可达60、75、115MPa，3d抗压强度能达到28d的70％，自收缩和干燥收缩应变分别为351、239×10‑6。
Low-shrinkage early-strength sleeve grouting material as well as preparation method and application thereof
The invention belongs to the technical field of cement-based grouting materials, and particularly discloses a low-shrinkage early-strength sleeve grouting material and a preparation method and application thereof. The low-shrinkage early-strength sleeve grouting material specifically comprises the following components: 388-514 parts of Portland cement, 63-189 parts of sulphoaluminate cement, 10-93 parts of gypsum, 105-315 parts of superfine fly ash, 105-315 parts of marble powder, 800-950 parts of machine-made sand, 210-263 parts of water, 32-42 parts of a water reducing agent and 1-3 parts of a defoaming agent, wherein the 1-d breaking strength, 3-d breaking strength and 28-d breaking strength of the grouting material can respectively reach 13 MPa, 21 MPa and 27 MPa, compressive strength can reach 60 MPa, 75 MPa and 115 MPa respectively, the compressive strength in 3 days can reach 70% of the compressive strength in 28 days, and the self-shrinkage strain and the drying shrinkage strain of the material are 351*10<-6> and 239*10<-6> respectively.
本发明属于水泥基灌浆材料技术领域，具体公开一种低收缩早强型套筒灌浆料及其制备方法和应用。本发明公开了一种低收缩早强型套筒灌浆料，具体组成为：硅酸盐水泥388～514份、硫铝酸盐水泥63～189份、石膏10～93份、超细粉煤灰105～315份、大理石粉105～315份、机制砂800～950份、水210～263份、减水剂32～42份、消泡剂1～3份，其1、3、28d抗折强度分别可达13、21、27MPa；抗压强度分别可达60、75、115MPa，3d抗压强度能达到28d的70％，自收缩和干燥收缩应变分别为351、239×10‑6。
Low-shrinkage early-strength sleeve grouting material as well as preparation method and application thereof
一种低收缩早强型套筒灌浆料及其制备方法和应用
ZHAO QINGXIN (author) / ZHANG YAN (author) / ZHANG YANGYANG (author) / PAN HUIMIN (author) / GUO WEICHAO (author) / LIU HUI (author) / QIAN QUAN (author) / GAO QINGYU (author) / ZHAO LIXI (author) / WANG DONGLI (author)
2022-02-15
Patent
Electronic Resource
Chinese
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