A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Grouting device for bridge construction
The invention discloses a grouting device for bridge construction, and belongs to the technical field of bridge construction. A slurry guide part of the grouting device is formed by connecting a plurality of pipe bodies in a sleeved mode, the near end is in sealed connection with the end, close to a drill hole, of a prestressed steel strand, and the far end is in sealed sliding connection in the length direction of the prestressed steel strand; the guide ring is arranged on the peripheral wall of the pipe body at the tail end of the slurry guide piece, and the outer wall of the guide ring is hermetically connected with the inner wall of the drill hole; the sealing plug is arranged in a gap between the pipe body at the tail end of the slurry guide piece and the prestressed steel strand; the grouting pipe is positioned at an inlet of the pipe body at the near end of the slurry guide piece and is connected with the slurry conveying device; according to the grouting device for bridge construction, the length of the slurry guide piece is changed along with the change of the slurry injection amount, so that gaps of prestressed steel strands are fully filled, and the problem that the anchoring effect of a whole anchoring structure is affected due to partial exposure and local corrosion of the steel strands in a high-stress state is solved.
本发明公开了一种桥梁施工用灌浆装置，属于桥梁施工技术领域。本发明的灌浆装置的浆料导向件由多个管体套接而成，近端与预应力钢绞线靠近钻孔的一端密封连接，远端沿预应力钢绞线的长度方向密封滑动连接；导向环设置在浆料导向件末端的管体的外周壁上，导向环的外壁与钻孔的内壁密封连接；封堵塞设置在浆料导向件末端的管体与预应力钢绞线之间的间隙内；灌浆管位于浆料导向件近端的管体的入口处，与浆料输送装置连接；本发明的桥梁施工用灌浆装置的浆料导向件随浆料注入量的变化发生长度变化，以对预应力钢绞线缝隙形成充分填充，避免高应力状态下的钢绞线部分裸露，局部腐蚀，影响整个锚固结构的锚固效果的问题。
Grouting device for bridge construction
The invention discloses a grouting device for bridge construction, and belongs to the technical field of bridge construction. A slurry guide part of the grouting device is formed by connecting a plurality of pipe bodies in a sleeved mode, the near end is in sealed connection with the end, close to a drill hole, of a prestressed steel strand, and the far end is in sealed sliding connection in the length direction of the prestressed steel strand; the guide ring is arranged on the peripheral wall of the pipe body at the tail end of the slurry guide piece, and the outer wall of the guide ring is hermetically connected with the inner wall of the drill hole; the sealing plug is arranged in a gap between the pipe body at the tail end of the slurry guide piece and the prestressed steel strand; the grouting pipe is positioned at an inlet of the pipe body at the near end of the slurry guide piece and is connected with the slurry conveying device; according to the grouting device for bridge construction, the length of the slurry guide piece is changed along with the change of the slurry injection amount, so that gaps of prestressed steel strands are fully filled, and the problem that the anchoring effect of a whole anchoring structure is affected due to partial exposure and local corrosion of the steel strands in a high-stress state is solved.
本发明公开了一种桥梁施工用灌浆装置，属于桥梁施工技术领域。本发明的灌浆装置的浆料导向件由多个管体套接而成，近端与预应力钢绞线靠近钻孔的一端密封连接，远端沿预应力钢绞线的长度方向密封滑动连接；导向环设置在浆料导向件末端的管体的外周壁上，导向环的外壁与钻孔的内壁密封连接；封堵塞设置在浆料导向件末端的管体与预应力钢绞线之间的间隙内；灌浆管位于浆料导向件近端的管体的入口处，与浆料输送装置连接；本发明的桥梁施工用灌浆装置的浆料导向件随浆料注入量的变化发生长度变化，以对预应力钢绞线缝隙形成充分填充，避免高应力状态下的钢绞线部分裸露，局部腐蚀，影响整个锚固结构的锚固效果的问题。
Grouting device for bridge construction
一种桥梁施工用灌浆装置
ZHANG LIMING (author) / WANG WENWEI (author) / ZHANG MINGBIN (author) / YANG XUE (author) / LIU ZHEN (author)
2024-07-23
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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