A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Repairing agent for subway shield segments and preparation method of repairing agent
The invention discloses a repairing agent for subway shield segments and a preparation method of the repairing agent. The repairing agent is prepared from the following raw materials in parts by mass:200 to 300 parts of ordinary Portland cement; 150-200 parts of white cement; 100 to 250 parts of sulphoaluminate cement; 20-50 parts of microbeads; 50 to 100 parts of silica fume (silica powder); 150to 250 parts of active glass powder; 1 to 10 parts of excitant; 50 to 100 parts of concrete expanding agent; 0.1 to 0.4 part of plastic expanding agent; 1 to 5 parts of water reducing agent; 0.1 to 0.4 part of defoaming agent; 0 to 0.5 part of cellulose; 15 to 35 parts of redispersible latex powder; and A parts of water. The sum of the dosages of the components excepting water, namely the sum ofthe parts of the components excepting water is B, and the water-material ratio, namely the ratio of A to B, is 0.15-0.20: 1. The invention further provides a preparation method of the repairing agent.Through the synergistic effect of all the components, the repairing agent is high in early and later compressive strength, good in wear resistance and small in color difference with old concrete repairing, has the characteristics of good bonding performance and crack resistance, and is convenient to apply and popularize.
一种地铁盾构管片用的修补剂及其制备方法，修补剂是由下述质量份数的原料制成的：普通硅酸盐水泥200～300份，白水泥150～200份，硫铝酸盐水泥为100～250份，微珠20～50份，硅灰即硅粉50～100份，活性玻璃粉150～250份，激发剂1～10份，混凝土膨胀剂50～100份，塑性膨胀剂0.1～0.4份，减水剂1～5份，消泡剂0.1～0.4份，纤维素0‑0.5份，可再分散乳胶粉15～35份，水A份；不包括组分水、上述各组分的用量之和即份数之和为B，水料比即A与B的比值为0.15～0.20∶1。本发明还提供了所述修补剂的制备方法。本发明的修补剂通过其各组分的协同作用，早后期抗压强度高，耐磨性能良好，与旧混凝土修补色差小，具有良好的粘结性能和抗裂特点，便于推广应用。
Repairing agent for subway shield segments and preparation method of repairing agent
The invention discloses a repairing agent for subway shield segments and a preparation method of the repairing agent. The repairing agent is prepared from the following raw materials in parts by mass:200 to 300 parts of ordinary Portland cement; 150-200 parts of white cement; 100 to 250 parts of sulphoaluminate cement; 20-50 parts of microbeads; 50 to 100 parts of silica fume (silica powder); 150to 250 parts of active glass powder; 1 to 10 parts of excitant; 50 to 100 parts of concrete expanding agent; 0.1 to 0.4 part of plastic expanding agent; 1 to 5 parts of water reducing agent; 0.1 to 0.4 part of defoaming agent; 0 to 0.5 part of cellulose; 15 to 35 parts of redispersible latex powder; and A parts of water. The sum of the dosages of the components excepting water, namely the sum ofthe parts of the components excepting water is B, and the water-material ratio, namely the ratio of A to B, is 0.15-0.20: 1. The invention further provides a preparation method of the repairing agent.Through the synergistic effect of all the components, the repairing agent is high in early and later compressive strength, good in wear resistance and small in color difference with old concrete repairing, has the characteristics of good bonding performance and crack resistance, and is convenient to apply and popularize.
一种地铁盾构管片用的修补剂及其制备方法，修补剂是由下述质量份数的原料制成的：普通硅酸盐水泥200～300份，白水泥150～200份，硫铝酸盐水泥为100～250份，微珠20～50份，硅灰即硅粉50～100份，活性玻璃粉150～250份，激发剂1～10份，混凝土膨胀剂50～100份，塑性膨胀剂0.1～0.4份，减水剂1～5份，消泡剂0.1～0.4份，纤维素0‑0.5份，可再分散乳胶粉15～35份，水A份；不包括组分水、上述各组分的用量之和即份数之和为B，水料比即A与B的比值为0.15～0.20∶1。本发明还提供了所述修补剂的制备方法。本发明的修补剂通过其各组分的协同作用，早后期抗压强度高，耐磨性能良好，与旧混凝土修补色差小，具有良好的粘结性能和抗裂特点，便于推广应用。
Repairing agent for subway shield segments and preparation method of repairing agent
一种地铁盾构管片用的修补剂及其制备方法
WANG LONG (author) / LIU ZHAOYANG (author) / WANG YUQIAN (author) / WANG LONGFEI (author) / WANG JINCHUN (author) / LIU CUIFEN (author)
2020-11-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Complete equipment for repairing and reinforcing shield subway tunnel segments
| European Patent Office | 2021
| European Patent Office | 2020
| European Patent Office | 2024