A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses modified rubber particle impact-resistant abrasion-resistant ultrahigh-toughness concrete, which is prepared from the following main raw materials: cement, fly ash micro-beads,silica fume, machine-made sand, modified rubber particles, hybrid fibers, an interface enhancer, a composite expanding agent, a shrinkage-reducing viscosity-reducing water reducing agent and water. According to the invention, the modified rubber particle impact-resistant abrasion-resistant ultrahigh-toughness concrete has advantages of excellent impact toughness, excellent corrosion resistance, good volume stability and high interface bonding strength of new and old concrete, can be widely applied to the field of construction, repair and reinforcement of hydraulic structures such as bridge piers and the like, can improve the bearing capacity and the service life of hydraulic structures such as the piers and the like, reduce the maintenance cost, achieve effective utilization of wastes andsolve the problems of shortage of quartz sand and river sand resources and the like in China, and has important economic and environmental benefits.
本发明公开了一种改性橡胶颗粒抗冲磨超高韧性混凝土，它以水泥、粉煤灰微珠、硅灰、机制砂、改性橡胶颗粒、混杂纤维、界面增强剂、复合膨胀剂、减缩降粘型减水剂和水为主要原料制备而成。本发明所述改性橡胶颗粒抗冲磨超高韧性混凝土具有优异的抗冲击韧性和耐磨蚀性能，体积稳定性好，且新老混凝土界面粘结强度高；可广泛地应用于桥梁桥墩等水工建筑物施工和修补加固领域，提高桥墩等水工建筑物承载能力和服役寿命，降低维修维护成本，同时实现废弃物的有效利用，解决我国石英砂、河砂资源匮乏等问题，具有重要经济和环境效益。
The invention discloses modified rubber particle impact-resistant abrasion-resistant ultrahigh-toughness concrete, which is prepared from the following main raw materials: cement, fly ash micro-beads,silica fume, machine-made sand, modified rubber particles, hybrid fibers, an interface enhancer, a composite expanding agent, a shrinkage-reducing viscosity-reducing water reducing agent and water. According to the invention, the modified rubber particle impact-resistant abrasion-resistant ultrahigh-toughness concrete has advantages of excellent impact toughness, excellent corrosion resistance, good volume stability and high interface bonding strength of new and old concrete, can be widely applied to the field of construction, repair and reinforcement of hydraulic structures such as bridge piers and the like, can improve the bearing capacity and the service life of hydraulic structures such as the piers and the like, reduce the maintenance cost, achieve effective utilization of wastes andsolve the problems of shortage of quartz sand and river sand resources and the like in China, and has important economic and environmental benefits.
本发明公开了一种改性橡胶颗粒抗冲磨超高韧性混凝土，它以水泥、粉煤灰微珠、硅灰、机制砂、改性橡胶颗粒、混杂纤维、界面增强剂、复合膨胀剂、减缩降粘型减水剂和水为主要原料制备而成。本发明所述改性橡胶颗粒抗冲磨超高韧性混凝土具有优异的抗冲击韧性和耐磨蚀性能，体积稳定性好，且新老混凝土界面粘结强度高；可广泛地应用于桥梁桥墩等水工建筑物施工和修补加固领域，提高桥墩等水工建筑物承载能力和服役寿命，降低维修维护成本，同时实现废弃物的有效利用，解决我国石英砂、河砂资源匮乏等问题，具有重要经济和环境效益。
Modified rubber particle impact-resistant abrasion-resistant ultrahigh-toughness concrete and preparation method thereof
一种改性橡胶颗粒抗冲磨超高韧性混凝土及其制备方法
XU SIYU (author)
2020-04-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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