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A platform for research: civil engineering, architecture and urbanism
Stirring pile drill bit suitable for continuous soft and hard soil layers
The invention discloses a mixing pile drill bit suitable for continuous soft and hard soil layers, and relates to the technical field of cement mixing pile construction.The mixing pile drill bit comprises a drill bit body fixedly arranged at the bottom of a spiral blade type drill rod, the drill bit body is in a tubular shape, and a guniting pipe is fixedly arranged in the drill bit body; the slurry spraying pipe is communicated with a grouting hole in the spiral blade type drill rod, a plurality of straight plate blades are fixedly arranged at the bottom of the drill bit body, gaps allowing cement mortar to flow out are formed between the straight plate blades, and the ends, away from each other, of the straight plate blades are gradually close to each other in the direction away from the spiral blade type drill rod. And a sharp head part is formed. The construction method has the effect of being suitable for construction of the cement-soil mixing piles of continuous soft and hard soil layers.
本申请公开了一种适用于连续软硬土层的搅拌桩钻头，涉及水泥土搅拌桩施工的技术领域，其包括固定设置在螺旋叶片式钻杆底部的钻头本体，所述钻头本体呈管筒状，所述钻头本体的内部固定设置有喷浆管，所述喷浆管与螺旋叶片式钻杆内部的灌浆孔连通，所述钻头本体的底部固定设置有多个直板叶片，且各所述直板叶片之间设置有用于供水泥砂浆流出的间隙，各所述直板叶片相互远离的一端沿远离螺旋叶片式钻杆方向逐渐靠近，并形成尖头部。本申请具有能够适应对连续软硬土层的水泥土搅拌桩施工的效果。
Stirring pile drill bit suitable for continuous soft and hard soil layers
The invention discloses a mixing pile drill bit suitable for continuous soft and hard soil layers, and relates to the technical field of cement mixing pile construction.The mixing pile drill bit comprises a drill bit body fixedly arranged at the bottom of a spiral blade type drill rod, the drill bit body is in a tubular shape, and a guniting pipe is fixedly arranged in the drill bit body; the slurry spraying pipe is communicated with a grouting hole in the spiral blade type drill rod, a plurality of straight plate blades are fixedly arranged at the bottom of the drill bit body, gaps allowing cement mortar to flow out are formed between the straight plate blades, and the ends, away from each other, of the straight plate blades are gradually close to each other in the direction away from the spiral blade type drill rod. And a sharp head part is formed. The construction method has the effect of being suitable for construction of the cement-soil mixing piles of continuous soft and hard soil layers.
本申请公开了一种适用于连续软硬土层的搅拌桩钻头，涉及水泥土搅拌桩施工的技术领域，其包括固定设置在螺旋叶片式钻杆底部的钻头本体，所述钻头本体呈管筒状，所述钻头本体的内部固定设置有喷浆管，所述喷浆管与螺旋叶片式钻杆内部的灌浆孔连通，所述钻头本体的底部固定设置有多个直板叶片，且各所述直板叶片之间设置有用于供水泥砂浆流出的间隙，各所述直板叶片相互远离的一端沿远离螺旋叶片式钻杆方向逐渐靠近，并形成尖头部。本申请具有能够适应对连续软硬土层的水泥土搅拌桩施工的效果。
Stirring pile drill bit suitable for continuous soft and hard soil layers
一种适用于连续软硬土层的搅拌桩钻头
XU JIE (author) / TAN HONGKUN (author) / WU WEICHENG (author) / DING JUNTAO (author) / ZHENG GUANYU (author) / WEI RENJIE (author) / SHA CHEN (author)
2023-11-14
Patent
Electronic Resource
Chinese
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